NOUS41 KWBC 142000 CCA
PNSWSH
Service Change Notice 10-43, Corrected
National Weather Service Headquarters
400 PM EDT Thu
Oct 14 2010
To: Subscribers:
-Family of Services
-NOAA Weather Wire Service
-Emergency Managers Weather Information Network
-NOAAPORT
Other NWS partners and employees
From: Kim Runk
Chief, Integrated Services Division
Central Region Headquarters
Subject: Corrected to include Special Marine Warnings (SMW) and
Marine Weather Statements (MWS) for the
Transition from Experimental to Operational
Status of
the Wind-Hail Tag Line for NWS Central
Region Severe
Thunderstorm Warnings: Effective November
15 2010
Effective Monday, November 15, 2010, NWS
Weather Forecast Offices (WFOs) in the NWS Central Region (CR) will transition
a service enhancement associated with severe thunderstorm warnings from
experimental to operational status. The enhancement is the concise coded tag
line identifying maximum forecast wind gusts and hail size at the end of severe
thunderstorm warnings (SVR), associated follow-up statements (SVS), Special
Marine Warnings (SMW) for the Great Lakes and Marine Weather Statements (MWS)
for the
Inclusion of this information at the end of
these products represents an effort to respond to requests from partners in the
emergency management community and several societal impacts groups. One
specific application concerns the use of this information to activate emergency
alert sirens when conditions exceed user-defined thresholds, a decision
normally reserved for tornado events.
The tag line makes easily accessible the
information necessary to reach such a decision. In addition, it facilitates the
use of parsing software to automate alerting functions whether by government
officials or private sector vendors.
Feedback
during the experimental test period was so overwhelmingly positive that the NWS
CRH decided to make this change a permanent and official part of severe
thunderstorm warnings issued from NWS CR WFOs. A map showing all CR WFOs is
available online at:
http://www.weather.gov/os/notification/resources/cr_wfos.pdf
A more detailed description of the coded
tag line, including format and examples, can be found in the Service Description
Document (SDD) at:
For further information, please contact:
Kim Runk, Chief of Integrated Services
NWS Central Region Headquarters
7220 NW 101st Terrace
National Service Change Notices are online
at:
http://www.weather.gov/os/notif.htm
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