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000
NOUS41 KWBC 171255
PNSWSH

Public Information Statement, Comment Request: Amended
National Weather Service Headquarters Washington DC
856 AM EDT Fri Apr 17 2015

To:         Subscribers:
           -Family of Services
           -NOAA Weather Wire Service
           -Emergency Managers Weather Information Network
            -NOAAPORT
            Other NWS Partners, Users and Employees

From:       Eli Jacks
            Acting Chief, Forecast Services Division

Subject:    Amended: Extension of comment period for Experimental
            Wind Speed Probabilities-Based Tropical Cyclone
Danger
            Area Graphic through November 30, 2015

Amended to extend comment period through November 30, 2015

The NWS Tropical Analysis and Forecast Branch (TAFB) is extending
the user feedback period for its experimental wind speed
probabilities-based tropical cyclone danger graphic through
November 30, 2015, the official end of the 2015 hurricane season.

The current Tropical Cyclone Danger Area graphic uses the
mariners 1-2-3 rule to outline avoidance areas for active tropical
cyclones. Feedback from users indicated that the 1-2-3 methodology
has led to over-warned large avoidance areas. For the 2012 and
2013 hurricane seasons, TAFB provided, on an experimental basis,
a Tropical Cyclone Danger Area Graphic based on the 34-kt wind
speed probabilities through 72 hours from the latest tropical
cyclone advisory for an active tropical cyclone using the
10 percent and 50 percent 34-kt wind speed probability contours.
Feedback suggested that the 10 percent contour represented a
much smaller potential avoidance area than what is considered
adequate for planning purposes.

Beginning with the 2014 Hurricane season, the graphic outlined
avoidance areas using the 5 percent and 50 percent 34-kt wind
speed probability contours from the latest tropical cyclone
advisory issuances for both the Atlantic and East Pacific basins.

In the event there are no active tropical cyclones in either
basin, the graphic will be blank with the following wording:

THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE ATLANTIC
or
THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE EAST PACIFIC

These experimental tropical cyclone danger area graphics are
available four times daily at 0400, 1000, 1600 and 2200 Universal
Coordinated Time (UTC) on the National Hurricane Center (NHC)
website at:

      http://www.nhc.noaa.gov/marine/#graphical

A comprehensive description of the tropical cyclone danger area
graphic is posted at:

      http://www.nhc.noaa.gov/experimental/danger/

Users are encouraged to provide feedback on this experimental
product by using the brief survey and comment form available on
line at:

      http://www.nws.noaa.gov/survey/nws-survey.php?code=TCDWBP

After the comment period ends, TAFB will decide whether to
transition the graphic to operational and whether to terminate
the legacy mariners 1-2-3 version.

A link to all NHC experimental products is also provided at:

      http://www.nhc.noaa.gov/aboutexperimental.shtml

If you have comments or questions, please contact:

Hugh Cobb
Chief, Tropical Analysis and Forecast Branch
National Hurricane Center
E-mail:  Hugh.Cobb@noaa.gov
Phone:   305-229-4454

NWS Public Information Statements are online at:

      http://www.nws.noaa.gov/om/notif.htm

$$





000
NOUS41 KWBC 171255
PNSWSH

Public Information Statement, Comment Request: Amended
National Weather Service Headquarters Washington DC
856 AM EDT Fri Apr 17 2015

To:         Subscribers:
           -Family of Services
           -NOAA Weather Wire Service
           -Emergency Managers Weather Information Network
            -NOAAPORT
            Other NWS Partners, Users and Employees

From:       Eli Jacks
            Acting Chief, Forecast Services Division

Subject:    Amended: Extension of comment period for Experimental
            Wind Speed Probabilities-Based Tropical Cyclone
Danger
            Area Graphic through November 30, 2015

Amended to extend comment period through November 30, 2015

The NWS Tropical Analysis and Forecast Branch (TAFB) is extending
the user feedback period for its experimental wind speed
probabilities-based tropical cyclone danger graphic through
November 30, 2015, the official end of the 2015 hurricane season.

The current Tropical Cyclone Danger Area graphic uses the
mariners 1-2-3 rule to outline avoidance areas for active tropical
cyclones. Feedback from users indicated that the 1-2-3 methodology
has led to over-warned large avoidance areas. For the 2012 and
2013 hurricane seasons, TAFB provided, on an experimental basis,
a Tropical Cyclone Danger Area Graphic based on the 34-kt wind
speed probabilities through 72 hours from the latest tropical
cyclone advisory for an active tropical cyclone using the
10 percent and 50 percent 34-kt wind speed probability contours.
Feedback suggested that the 10 percent contour represented a
much smaller potential avoidance area than what is considered
adequate for planning purposes.

Beginning with the 2014 Hurricane season, the graphic outlined
avoidance areas using the 5 percent and 50 percent 34-kt wind
speed probability contours from the latest tropical cyclone
advisory issuances for both the Atlantic and East Pacific basins.

In the event there are no active tropical cyclones in either
basin, the graphic will be blank with the following wording:

THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE ATLANTIC
or
THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE EAST PACIFIC

These experimental tropical cyclone danger area graphics are
available four times daily at 0400, 1000, 1600 and 2200 Universal
Coordinated Time (UTC) on the National Hurricane Center (NHC)
website at:

      http://www.nhc.noaa.gov/marine/#graphical

A comprehensive description of the tropical cyclone danger area
graphic is posted at:

      http://www.nhc.noaa.gov/experimental/danger/

Users are encouraged to provide feedback on this experimental
product by using the brief survey and comment form available on
line at:

      http://www.nws.noaa.gov/survey/nws-survey.php?code=TCDWBP

After the comment period ends, TAFB will decide whether to
transition the graphic to operational and whether to terminate
the legacy mariners 1-2-3 version.

A link to all NHC experimental products is also provided at:

      http://www.nhc.noaa.gov/aboutexperimental.shtml

If you have comments or questions, please contact:

Hugh Cobb
Chief, Tropical Analysis and Forecast Branch
National Hurricane Center
E-mail:  Hugh.Cobb@noaa.gov
Phone:   305-229-4454

NWS Public Information Statements are online at:

      http://www.nws.noaa.gov/om/notif.htm

$$




000
NOUS41 KWBC 171255
PNSWSH

Public Information Statement, Comment Request: Amended
National Weather Service Headquarters Washington DC
856 AM EDT Fri Apr 17 2015

To:         Subscribers:
           -Family of Services
           -NOAA Weather Wire Service
           -Emergency Managers Weather Information Network
            -NOAAPORT
            Other NWS Partners, Users and Employees

From:       Eli Jacks
            Acting Chief, Forecast Services Division

Subject:    Amended: Extension of comment period for Experimental
            Wind Speed Probabilities-Based Tropical Cyclone
Danger
            Area Graphic through November 30, 2015

Amended to extend comment period through November 30, 2015

The NWS Tropical Analysis and Forecast Branch (TAFB) is extending
the user feedback period for its experimental wind speed
probabilities-based tropical cyclone danger graphic through
November 30, 2015, the official end of the 2015 hurricane season.

The current Tropical Cyclone Danger Area graphic uses the
mariners 1-2-3 rule to outline avoidance areas for active tropical
cyclones. Feedback from users indicated that the 1-2-3 methodology
has led to over-warned large avoidance areas. For the 2012 and
2013 hurricane seasons, TAFB provided, on an experimental basis,
a Tropical Cyclone Danger Area Graphic based on the 34-kt wind
speed probabilities through 72 hours from the latest tropical
cyclone advisory for an active tropical cyclone using the
10 percent and 50 percent 34-kt wind speed probability contours.
Feedback suggested that the 10 percent contour represented a
much smaller potential avoidance area than what is considered
adequate for planning purposes.

Beginning with the 2014 Hurricane season, the graphic outlined
avoidance areas using the 5 percent and 50 percent 34-kt wind
speed probability contours from the latest tropical cyclone
advisory issuances for both the Atlantic and East Pacific basins.

In the event there are no active tropical cyclones in either
basin, the graphic will be blank with the following wording:

THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE ATLANTIC
or
THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE EAST PACIFIC

These experimental tropical cyclone danger area graphics are
available four times daily at 0400, 1000, 1600 and 2200 Universal
Coordinated Time (UTC) on the National Hurricane Center (NHC)
website at:

      http://www.nhc.noaa.gov/marine/#graphical

A comprehensive description of the tropical cyclone danger area
graphic is posted at:

      http://www.nhc.noaa.gov/experimental/danger/

Users are encouraged to provide feedback on this experimental
product by using the brief survey and comment form available on
line at:

      http://www.nws.noaa.gov/survey/nws-survey.php?code=TCDWBP

After the comment period ends, TAFB will decide whether to
transition the graphic to operational and whether to terminate
the legacy mariners 1-2-3 version.

A link to all NHC experimental products is also provided at:

      http://www.nhc.noaa.gov/aboutexperimental.shtml

If you have comments or questions, please contact:

Hugh Cobb
Chief, Tropical Analysis and Forecast Branch
National Hurricane Center
E-mail:  Hugh.Cobb@noaa.gov
Phone:   305-229-4454

NWS Public Information Statements are online at:

      http://www.nws.noaa.gov/om/notif.htm

$$





000
NOUS41 KWBC 171255
PNSWSH

Public Information Statement, Comment Request: Amended
National Weather Service Headquarters Washington DC
856 AM EDT Fri Apr 17 2015

To:         Subscribers:
           -Family of Services
           -NOAA Weather Wire Service
           -Emergency Managers Weather Information Network
            -NOAAPORT
            Other NWS Partners, Users and Employees

From:       Eli Jacks
            Acting Chief, Forecast Services Division

Subject:    Amended: Extension of comment period for Experimental
            Wind Speed Probabilities-Based Tropical Cyclone
Danger
            Area Graphic through November 30, 2015

Amended to extend comment period through November 30, 2015

The NWS Tropical Analysis and Forecast Branch (TAFB) is extending
the user feedback period for its experimental wind speed
probabilities-based tropical cyclone danger graphic through
November 30, 2015, the official end of the 2015 hurricane season.

The current Tropical Cyclone Danger Area graphic uses the
mariners 1-2-3 rule to outline avoidance areas for active tropical
cyclones. Feedback from users indicated that the 1-2-3 methodology
has led to over-warned large avoidance areas. For the 2012 and
2013 hurricane seasons, TAFB provided, on an experimental basis,
a Tropical Cyclone Danger Area Graphic based on the 34-kt wind
speed probabilities through 72 hours from the latest tropical
cyclone advisory for an active tropical cyclone using the
10 percent and 50 percent 34-kt wind speed probability contours.
Feedback suggested that the 10 percent contour represented a
much smaller potential avoidance area than what is considered
adequate for planning purposes.

Beginning with the 2014 Hurricane season, the graphic outlined
avoidance areas using the 5 percent and 50 percent 34-kt wind
speed probability contours from the latest tropical cyclone
advisory issuances for both the Atlantic and East Pacific basins.

In the event there are no active tropical cyclones in either
basin, the graphic will be blank with the following wording:

THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE ATLANTIC
or
THERE IS NO TROPICAL CYCLONE ACTIVITY IN THE EAST PACIFIC

These experimental tropical cyclone danger area graphics are
available four times daily at 0400, 1000, 1600 and 2200 Universal
Coordinated Time (UTC) on the National Hurricane Center (NHC)
website at:

      http://www.nhc.noaa.gov/marine/#graphical

A comprehensive description of the tropical cyclone danger area
graphic is posted at:

      http://www.nhc.noaa.gov/experimental/danger/

Users are encouraged to provide feedback on this experimental
product by using the brief survey and comment form available on
line at:

      http://www.nws.noaa.gov/survey/nws-survey.php?code=TCDWBP

After the comment period ends, TAFB will decide whether to
transition the graphic to operational and whether to terminate
the legacy mariners 1-2-3 version.

A link to all NHC experimental products is also provided at:

      http://www.nhc.noaa.gov/aboutexperimental.shtml

If you have comments or questions, please contact:

Hugh Cobb
Chief, Tropical Analysis and Forecast Branch
National Hurricane Center
E-mail:  Hugh.Cobb@noaa.gov
Phone:   305-229-4454

NWS Public Information Statements are online at:

      http://www.nws.noaa.gov/om/notif.htm

$$




000
NOUS41 KWBC 161939
PNSWSH

Service Change Notice 15-25
National Weather Service Headquarters Washington DC
340 PM EDT Thu Apr 16 2015

To:        Subscribers:
          -Family of Services
          -NOAA Weather Wire Service
          -Emergency Managers Weather Information Network
          -NOAAPORT
          Other NWS Partners, Users and Employees

From:     Eli Jacks
          Acting Chief, Forecast Services Division

Subject:  Change in AWIPS Baseline County Warning Area (CWA)
          Shapefile Attribute Table Effective April 16, 2015

Effective April 16, 2015, NWS is adding six additional attributes
to its AWIPS baseline CWA shapefile attribute table.  The current
four attributes will not be changed.

Current CWA Attributes:

1. CWA

2. WFO

3. LON

4. LAT

Added CWA attributes:

5. Region

6. FullStaId

7, CityState

8. City

9. State

10. ST

A snippet of the new attribute table is online at:

  http://www.nws.noaa.gov/os/afs/cwa.png

This change only adds new attributes to the current AWIPS CWA
shapefile attribute table. No changes are being made to county
geographic extents, names or numbers.

Partners and users should download the expanded attribute table
shapefile (w_16ap15) as soon as possible as this will be the only
official AWIPS CWA shapefile going forward and is the only AWIPS
CWA shapefile that will be updated with future county changes.
Partners and users may continue to use the w_03de14 AWIPS CWA
shapefile, if necessary, until any required systems upgrades are
completed or until a change to CWA geographic extents, names or
numbers is made by the NWS and announced in a future Service
Change Notice.

AWIPS CWA shapefiles are online at:

  http://www.nws.noaa.gov/geodata/catalog/wsom/html/cwa.htm

For more information, please contact:

Art Thomas
Digital and Graphical Support Branch
art.thomas@noaa.gov

National Service Change Notices are online at:

  http://www.weather.gov/os/notif.htm

$$




000
NOUS41 KWBC 161939
PNSWSH

Service Change Notice 15-25
National Weather Service Headquarters Washington DC
340 PM EDT Thu Apr 16 2015

To:        Subscribers:
          -Family of Services
          -NOAA Weather Wire Service
          -Emergency Managers Weather Information Network
          -NOAAPORT
          Other NWS Partners, Users and Employees

From:     Eli Jacks
          Acting Chief, Forecast Services Division

Subject:  Change in AWIPS Baseline County Warning Area (CWA)
          Shapefile Attribute Table Effective April 16, 2015

Effective April 16, 2015, NWS is adding six additional attributes
to its AWIPS baseline CWA shapefile attribute table.  The current
four attributes will not be changed.

Current CWA Attributes:

1. CWA

2. WFO

3. LON

4. LAT

Added CWA attributes:

5. Region

6. FullStaId

7, CityState

8. City

9. State

10. ST

A snippet of the new attribute table is online at:

  http://www.nws.noaa.gov/os/afs/cwa.png

This change only adds new attributes to the current AWIPS CWA
shapefile attribute table. No changes are being made to county
geographic extents, names or numbers.

Partners and users should download the expanded attribute table
shapefile (w_16ap15) as soon as possible as this will be the only
official AWIPS CWA shapefile going forward and is the only AWIPS
CWA shapefile that will be updated with future county changes.
Partners and users may continue to use the w_03de14 AWIPS CWA
shapefile, if necessary, until any required systems upgrades are
completed or until a change to CWA geographic extents, names or
numbers is made by the NWS and announced in a future Service
Change Notice.

AWIPS CWA shapefiles are online at:

  http://www.nws.noaa.gov/geodata/catalog/wsom/html/cwa.htm

For more information, please contact:

Art Thomas
Digital and Graphical Support Branch
art.thomas@noaa.gov

National Service Change Notices are online at:

  http://www.weather.gov/os/notif.htm

$$





000
NOUS41 KWBC 161420
PNSWSH

Public Information Notice, Comment Request
National Weather Service Headquarters Washington DC
1020 AM EDT Thu Apr 16 2015

TO:       Subscribers:
          -Family of Services
          -NOAA Weather Wire Service
          -Emergency Managers Weather Information Network
          -NOAAPORT
          Other NWS partners, users and employees

FROM:     Eli Jacks
          Acting Chief, Forecast Services Division

SUBJECT:  Soliciting Comments until June 30, 2016, on an
          Experimental Graphical Wind Against Current Product

The NWS National Centers for Environmental Prediction`s (NCEP)
Ocean Prediction Center (OPC) is accepting comments until June
30, 2016, on an experimental Graphical Wind Against Current
product.

The western North Atlantic is a challenging area both
meteorologically and oceanographically. The western boundary
current of the North Atlantic consists of the Florida Current,
from the Straits of Florida to the coastal waters of Cape
Hatteras, NC, and Gulf Stream, from the coastal waters of Cape
Hatteras to south of Newfoundland.

The coastal waters of the U.S. East Coast contain some of the
highest temperature contrasts in the world with the warm waters
of the Gulf Stream system (Florida Current and Gulf Stream)
moving northeastward from off the North Carolina coast, abutting
the cold waters of the Labrador Current, flowing southwestward
just north and northwest of the Gulf Stream. These waters are
where many North Atlantic winter ocean storms start, where
thunderstorms erupt, and where wind waves and swell can interact
with the strong current of the Gulf Stream system and produce
short period, very high breaking waves.

To highlight the potential for strong winds to oppose the strong
current of the Gulf Stream system, the OPC developed an
experimental Graphical Wind Against Current product. This product
uses the 10m vector winds from the NWS Global Forecast System
(GFS) atmospheric model and the ocean surface current from the
U.S. Navy Coastal Ocean Model (NCOM) to highlight areas and
strength of the wind opposing ocean currents.

The experimental graphical display is online at:

http://www.opc.ncep.noaa.gov/Loops/WindCurrent_ncomhires_00Z/inde
x.php

Please send comments or requests for more information to:

Joseph Sienkiewicz
Joseph.Sienkiewicz@noaa.gov
301-683-1495

Users are encouraged to provide feedback on this experimental
product by using the brief survey and comment form:

http://www.nws.noaa.gov/survey/nws-survey.php?code=EGWAC

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm

$$




000
NOUS41 KWBC 161420
PNSWSH

Public Information Notice, Comment Request
National Weather Service Headquarters Washington DC
1020 AM EDT Thu Apr 16 2015

TO:       Subscribers:
          -Family of Services
          -NOAA Weather Wire Service
          -Emergency Managers Weather Information Network
          -NOAAPORT
          Other NWS partners, users and employees

FROM:     Eli Jacks
          Acting Chief, Forecast Services Division

SUBJECT:  Soliciting Comments until June 30, 2016, on an
          Experimental Graphical Wind Against Current Product

The NWS National Centers for Environmental Prediction`s (NCEP)
Ocean Prediction Center (OPC) is accepting comments until June
30, 2016, on an experimental Graphical Wind Against Current
product.

The western North Atlantic is a challenging area both
meteorologically and oceanographically. The western boundary
current of the North Atlantic consists of the Florida Current,
from the Straits of Florida to the coastal waters of Cape
Hatteras, NC, and Gulf Stream, from the coastal waters of Cape
Hatteras to south of Newfoundland.

The coastal waters of the U.S. East Coast contain some of the
highest temperature contrasts in the world with the warm waters
of the Gulf Stream system (Florida Current and Gulf Stream)
moving northeastward from off the North Carolina coast, abutting
the cold waters of the Labrador Current, flowing southwestward
just north and northwest of the Gulf Stream. These waters are
where many North Atlantic winter ocean storms start, where
thunderstorms erupt, and where wind waves and swell can interact
with the strong current of the Gulf Stream system and produce
short period, very high breaking waves.

To highlight the potential for strong winds to oppose the strong
current of the Gulf Stream system, the OPC developed an
experimental Graphical Wind Against Current product. This product
uses the 10m vector winds from the NWS Global Forecast System
(GFS) atmospheric model and the ocean surface current from the
U.S. Navy Coastal Ocean Model (NCOM) to highlight areas and
strength of the wind opposing ocean currents.

The experimental graphical display is online at:

http://www.opc.ncep.noaa.gov/Loops/WindCurrent_ncomhires_00Z/inde
x.php

Please send comments or requests for more information to:

Joseph Sienkiewicz
Joseph.Sienkiewicz@noaa.gov
301-683-1495

Users are encouraged to provide feedback on this experimental
product by using the brief survey and comment form:

http://www.nws.noaa.gov/survey/nws-survey.php?code=EGWAC

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm

$$





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