Fire Weather Outlook Discussion
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
000
FNUS21 KWNS 261629
FWDDY1

DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1029 AM CST MON JAN 26 2015

VALID 261700Z - 271200Z

...PORTIONS OF WRN KS AND SWRN NE...
ENHANCED MID/UPPER FLOW WILL HELP SUPPORT BREEZY CONDITIONS TODAY
WITH SUSTAINED NWLY WINDS NEARING 20 MPH AND GUSTS OVER 25 MPH.
RESULTANT DOWNSLOPE EFFECTS AND MIXING WILL QUICKLY ERODE THE
INVERSION NOTED ON REGIONAL SOUNDING THIS MORNING...PUSHING
TEMPERATURES INTO THE UPPER 60S AND LOW 70S /20 TO 30 DEGREES ABOVE
AVERAGE/ BY THE LATE AFTERNOON. A FEW RECORD HIGHS ARE POSSIBLE.
RESULTANT MIN RH VALUES WILL LIKELY RANGE FROM 20 TO 25 PERCENT.
THESE WINDY AND DRY CONDITIONS ARE STILL EXPECTED TO RESULT IN
ELEVATED FIRE WEATHER CONDITIONS THIS AFTERNOON AND NO CHANGE IS
NEEDED TO THE PREVIOUS FORECAST.

..MOSIER.. 01/26/2015

.PREV DISCUSSION... /ISSUED 0305 AM CST MON JAN 26 2015/

...SYNOPSIS...
AS ONE MID/UPPER-LEVEL SHORTWAVE TROUGH TRANSITS E/NE ALONG THE ERN
SEABOARD AND ANOTHER PROGRESSES SE TOWARDS THE TN VALLEY...A HIGHLY
AMPLIFIED LONGWAVE TROUGH WILL BECOME ESTABLISHED ALONG THE EAST
COAST. MEANWHILE...UPSTREAM RIDGING WILL PUSH EAST TOWARDS THE
PLAINS STATES...AS A TROUGH MOVES ONSHORE THE CA COAST. AT THE
SFC...POWERFUL COASTAL CYCLOGENESIS WILL OCCUR TONIGHT OFFSHORE OF
THE MID-ATLANTIC/NERN STATES...WHILE WEAK RIDGING WILL BUILD ACROSS
THE PLAINS STATES BEHIND A DEPARTING WARM FRONT.

...PORTIONS OF WRN KS AND SWRN NE...
WITH DEEP N/NWLY FLOW SITUATED ACROSS PORTIONS OF THE HIGH
PLAINS...DOWNSLOPE WINDS AND DIURNAL MIXING WILL AID IN ADIABATIC
DRYING/WARMING OF THE LOWER-ATMOSPHERIC COLUMN. TEMPS WILL BE
WELL-ABOVE NORMAL...WARMING INTO THE UPPER 60S/LOWER 70S BY THE
AFTERNOON HOURS...WITH RH VALUES FALLING TO AROUND 20-25 PERCENT.
ADDITIONALLY...A CORRIDOR OF H85 WINDS AROUND 25-35 MPH WILL PROMOTE
BREEZY SFC CONDITIONS...WITH SUSTAINED WINDS AROUND 15-20 MPH. THESE
METEOROLOGICAL CONDITIONS WILL SUPPORT DRYING OF FINER FUELS ACROSS
THE REGION TODAY AND AN ELEVATED DELINEATION HAS BEEN INTRODUCED FOR
THE INCREASED FIRE WX THREAT THIS AFTERNOON. THE THREAT WILL THEN
RAPIDLY DIMINISH THIS EVENING AS RH VALUES RISE AND WINDS SUBSIDE.

...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.