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Text and BUFR Product Changes due to replacement of Eta-based MOS guidance with NAM-based MOS guidance: December 9, 2008
On December 9, 2008, we will discontinue production of MOS guidance based on the Eta model and replace it with MOS guidance based on the North American Mesocale (NAM) model. Due to this replacement, the following changes will happen:
1) Redevelopment of MOS equations
2) Changes to stations for which guidance is produced
3) "Eta MOS" label now "NAM MOS" in text and BUFR products
4) Changes to thunderstorm and severe weather guidance
More details about the NAM MOS is available here
Station Changes
The full list of stations in the NAM MOS is available here
MET Text Products:
The new NAM MET text messages will contain 1687 stations. The changes occurring relative to the current Eta MET text messages are the following:
1) 180 stations are being added
2) The call letters for the following stations will be updated:
Blakely, GA from K11J to KBIJ
Winner Wiley Field, SD from KSFD to KICR
Huslia, AK from PAHS to PAHL
3) The following 17 stations are being removed:
K4BK BROOKINGS OR N42.0500 W124.2833
K87Q SAN SIMEON (AMOS) CA N35.6667 W121.2833
KCGX MEIGS APRT IL N41.8667 W087.6167
KCQV COLVILLE MUNICIPAL WA N48.5500 W117.8833
KIIY WASHINGTON-WILKES AP GA N33.7800 W082.8200
KILL WILLMAR (AWOS) MN N45.1167 W095.0833
KMCC MCCLELLAN AFB CA N38.6667 W121.4000
KMLD MALAD CITY ID N42.1667 W112.3167
KMQT MARQUETTE MI N46.5333 W087.5500
KNEL LAKEHURST NAS NJ N40.0333 W074.3536
KP38 CALIENTE ASOS NV N37.6167 W114.5167
KP75 SEUL CHOIX (AMOS) MI N45.9167 W086.2300
KPLB PLATTSBURGH-CLINTON NY N44.6822 W073.5278
KUCA UTICA NY N43.1436 W075.3844
KXVW VANDENBERG RANGE CA N34.7200 W120.5700
KYUM YUMA INTL AP AZ N32.6566 W114.6060
PAVW VALDEZ AK N61.1333 W146.3500
MME Marine Text Products:
The new NAM MME Marine text messages will contain 304 stations. The changes occurring relative to the current Eta MME text messages are the following:
1) 192 stations are being added
2) The following 10 stations are being removed:
42041 NORTH MID GULF N27.5039 W090.4622
46030 BLUNTS REEF N40.4200 W124.5300
46062 PT SAN LUIS N35.1000 W121.0100
CSBF1 CAPE SAN BLAS FL N29.6700 W085.3600
DRYF1 DRY TORTUGAS FL N24.6383 W082.8617
DSLN7 DIAMOND SHOALS LS NC N35.1500 W075.3000
FPSN7 FRYING PAN SHOALS NC N33.4850 W077.5900
GDIL1 GRAND ISLE LA N29.2667 W089.9567
GLLN6 GALLOO ISLAND NY N43.8900 W076.4500
THIN6 THOUSAND ISLAND BRIDGE NY N44.3015 W075.9820
Label Change in Text and BUFR Products
In the MET and MME text products, the first line for each station will change from
KDCA ETA MOS GUIDANCE 10/23/2008 1200 UTC
to
KDCA NAM MOS GUIDANCE 10/23/2008 1200 UTC
Similarly, in the BUFR products the "Eta MOS" label will change to "NAM MOS". For more details on the format of the NAM MOS text products, please see the MDL Technical Procedures Bulletin MDLTPB08-01
Send questions and comments to: MDL_MOS.webmaster@noaa.gov
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