Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 190707
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0107 AM CST FRI FEB 19 2010
VALID 191200Z - 201200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER TROUGH WILL EXIT NEW ENGLAND...WHILE A WEAK UPPER SHORT
WAVE TROUGH MOVES TOWARDS THE OHIO VALLEY OVERNIGHT. AT THE
SURFACE...HIGH PRESSURE WILL DOMINATE FROM THE NRN PLAINS SSEWD INTO
THE SERN STATES. FARTHER W...AN UPPER TROUGH WILL REMAIN NEARLY
STATIONARY FROM THE NRN ROCKIES SWWD TO CNTRL CA...AND A SHORT WAVE
TROUGH WILL APPROACH THE SRN CA COAST OVERNIGHT. ZONAL FLOW OVER THE
SWRN STATES WILL INFLUENCE THE DEVELOPMENT OF A WEAK SURFACE LOW
OVER ERN NM.
...FLORIDA...
00Z SOUNDINGS REFLECT A DRY AIR MASS LINGERING OVER THE
PENINSULA...AND LITTLE CHANGE IS ANTICIPATED TODAY. EXTENDED
DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITIES CAN BE EXPECTED ONCE
AGAIN AS TEMPERATURES WARM INTO THE 60S. RELATIVE HUMIDITIES ACROSS
INLAND LOCATIONS WILL LIKELY FALL INTO THE MID 20S...WHILE LOWER 30S
CAN BE EXPECTED ELSEWHERE. THE EXCEPTION WILL BE WHERE ONSHORE
WINDS...PRIMARILY ALONG THE EAST COAST AND OVER MUCH OF S FLORIDA
WILL KEEP RELATIVE HUMIDITIES ABOVE CRITICAL VALUES. WITH A
WEAKENING PRESSURE GRADIENT OVER THE AREA...WINDS WILL REMAIN LIGHT.
...SERN NM/FAR WRN TX...
A MARGINAL FIRE THREAT WILL DEVELOP BY THE AFTERNOON AS TEMPERATURES
WARM INTO THE UPPER 60S/LOWER 70S...WITH DRY AIR MASS RESULTING IN
RELATIVE HUMIDITIES IN THE TEENS. DESPITE THE DEVELOPMENT OF A
SURFACE LOW...SUSTAINED WIND SPEEDS ARE ONLY EXPECTED TO BE AROUND
10 TO 15 MPH...AND LIGHT WINDS WITHIN THE MIXED LAYER WILL NOT
SUPPORT STRONG GUSTS.
..HURLBUT.. 02/19/2010
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 190745
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0145 AM CST FRI FEB 19 2010
VALID 201200Z - 211200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER SHORT WAVE TROUGH OVER SRN CA WILL QUICKLY PROGRESS EWD
THROUGH THE SWRN STATES. AS THIS OCCURS...A SURFACE LOW OVER ERN NM
WILL DEVELOP EWD...REACHING N CNTRL TX LATE IN THE PERIOD. AHEAD OF
THIS...A SURFACE HIGH EXTENDING FROM THE OHIO VALLEY SEWD WILL VERY
SLOWLY SHIFT EWD...BECOMING CENTERED OVER THE MID ATLANTIC
OVERNIGHT.
...FLORIDA...
ALTHOUGH ANOTHER DAY OF CRITICALLY LOW RELATIVE HUMIDITIES IS
ANTICIPATED ACROSS PORTIONS OF CNTRL/NRN FL...RELATIVE HUMIDITIES
WILL SLOWLY BEGIN TO IMPROVE FOR PORTIONS OF THE
PENINSULA...PRIMARILY IN RESPONSE TO AN UPPER LOW AND ATTENDANT
SURFACE LOW OVER THE SWRN STATES. WINDS VEERING TO SELY AT THE
SURFACE WILL GRADUALLY ALLOW DEW POINTS TO INCREASE FROM THE
SOUTH...BEGINNING A GRADUAL END TO THE EXTENDED DRY PERIOD.
HOWEVER...RECOVERY WILL BE SLOW...AND AREAS ACROSS INLAND CNTRL FL
AND MUCH OF N FLORIDA WILL STILL DROP BELOW CRITICAL THRESHOLDS
DURING THE DAY...THOUGH WITH LIGHT WINDS.
..HURLBUT.. 02/19/2010
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...