Click for Day 1 FireWX Areal Outline Product
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FNUS21 KWNS 070727
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0227 AM CDT TUE APR 07 2009
VALID 071200Z - 081200Z
...CRITICAL FIRE WEATHER AREA FOR SERN CA/SRN NV/WRN AZ...
...CRITICAL FIRE WEATHER AREA FOR MUCH OF NWRN TX/WRN OK/ERN NM...
...CRITICAL FIRE WEATHER AREA FOR FLORIDA...
...SYNOPSIS...
AN UPPER LOW OFF THE CNTRL CA COAST WILL GRADUALLY BEGIN TO SHIFT
ONSHORE...WITH STRONG SWLY WINDS ALOFT OVERSPREADING THE SWRN
STATES. IN RESPONSE...A SURFACE LOW WILL FORM INVOF THE GREAT
BASIN...WHILE A COLD FRONT MOVES THROUGH WRN NV/CNTRL CA DURING THE
DAY...THEN THROUGH NV AND SRN CA REACHING THE UT AND AZ BORDERS
EARLY WED MORNING. AHEAD OF THE FRONT AND PACIFIC MOISTURE...HOT AND
DRY CONDITIONS WILL PERSIST ACROSS THE SWRN STATES...WITH STRONG SLY
WINDS AND HIGHER GUSTS OVER SERN CA/SRN NV AND WRN AZ.
THE CA UPPER LOW WILL ALLOW STRONG UPPER RIDGING OVER THE
INTERMOUNTAIN WEST TO DEAMPLIFY AND SHIFT EWD...ALTHOUGH MUCH OF THE
WEST BENEATH THE RIDGE WILL STILL EXPERIENCE WELL ABOVE NORMAL
TEMPERATURES.
MEANWHILE...NWLY FLOW ALOFT AHEAD OF THE UPPER RIDGE WILL INDUCE A
WEAK SURFACE LOW NEAR THE TX/OK PANHANDLES. STRONG WINDS WILL ALIGN
WITH EXTREMELY LOW RHS FOR A CRITICAL FIRE THREAT...MAINLY NEAR THE
SURFACE LOW. LITTLE RH RECOVERY CAN BE EXPECTED OVERNIGHT IN THESE
AREAS. ELSEWHERE IN THE SRN PLAINS...SURFACE WINDS WILL SHIFT TO SLY
ALLOWING WARMER...BUT STILL DRY...CONDITIONS.
FURTHER E...THE ERN STATES WILL BE LARGELY DOMINATED BY AN UPPER
TROUGH. STRONG NWLY FLOW ALOFT WILL BRING COOLER AND MUCH DRIER AIR
TO THE SERN STATES. CRITICAL CONDITIONS WILL BE LIKELY ACROSS SRN GA
AND ALL OF FL AS STRONG WINDS ALIGN WITH LOW RHS.
...CRITICAL FIRE WEATHER AREA - SERN CA/SRN NV/WRN AZ...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH...ANTECEDENT DRYNESS
AN UPPER LOW WILL MOVE TOWARDS THE CNTRL CA COAST...OVERSPREADING
STRONG SWLY WINDS ALOFT ACROSS MUCH OF THE SWRN STATES. THIS WILL
INDUCE A SURFACE LOW OVER THE NRN GREAT BASIN...AND ALLOW STRONG SLY
WINDS AT THE SURFACE AS A COLD FRONT APPROACHES. HOT AND DRY
CONDITIONS...WITH TEMPERATURES IN THE 90S ACROSS LOWER VALLEYS AND
70S FURTHER N AND IN HIGHER TERRAIN WILL NOT ONLY ALLOW RHS TO FALL
INTO THE SINGLE DIGITS TO LOWER TEENS...BUT ALLOW STRONGER GUSTS TO
MIX TO THE SURFACE AS WELL. SUSTAINED SPEEDS NEAR 20 TO 25 MPH WITH
GUSTS TO 40 MPH CAN BE EXPECTED.
...CRITICAL FIRE WEATHER AREA - MUCH OF NWRN TX/WRN OK/ERN NM...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH
A WEAK SURFACE LOW WILL FORM INVOF THE TX/OK PANHANDLES IN RESPONSE
TO NWLY FLOW ALOFT. AN EXTREMELY DRY AIRMASS IS ALREADY IN
PLACE...WITH PWATS NEAR 20% OF CLIMATOLOGICAL NORMALS...PER 00Z
SOUNDING DATA. ALREADY LOW RHS WILL MAKE LITTLE RECOVERY THIS
MORNING...AND WILL QUICKLY FALL INTO SINGLE DIGITS AND TEENS AS
TEMPERATURES WARM INTO THE 70S. SURFACE WINDS NEAR 20 TO 25 MPH WITH
OCCASIONAL GUSTS TO 35 MPH CAN BE EXPECTED. LITTLE RH RECOVERY WILL
OCCUR OVERNIGHT...ALTHOUGH WINDS WILL DECREASE POST SUNSET.
...CRITICAL FIRE WEATHER AREA - SRN GA/FLORIDA...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH...HIGH KBDI IN CNTRL/SRN
FL
COOL/DRY CONTINENTAL AIR WILL CONTINUE TO BE ADVECTED SEWD AS A
LARGE SCALE UPPER TROUGH DOMINATES THE ERN STATES. ALTHOUGH
TEMPERATURES WILL BE SOMEWHAT COOL...MID 50S TO THE N...AND MID 60S
TO THE S...A MUCH DRIER AIRMASS COMPARED TO YESTERDAY WILL LEAD TO
CRITICALLY LOW RHS. AREAS TO THE N WILL FALL INTO THE LOW TO MID
20S...WHILE FURTHER S WILL FALL INTO THE LOW TO MID 30S. A STRONG
PRESSURE GRADIENT BEHIND AN EXITING TROUGH TO THE E WILL LEAD TO
STRONG WINDS ACROSS SRN GA AND FLORIDA...WITH SUSTAINED SPEEDS NEAR
20 TO 25 MPH AND GUSTS TO 35 MPH. ALTHOUGH AREAS TO THE N HAVE
RECEIVED SIGNIFICANT RAINFALL RECENTLY...DRY CONDITIONS YESTERDAY
AND STRONG WINDS WILL ACT TO DRY FUELS. FURTHERMORE...CNTRL AND SRN
FL REMAIN DRY...WITH HIGH KBDI VALUES...AND GIVEN AFOREMENTIONED
WINDS/RH...DANGEROUS FIRE CONDITIONS WILL EXIST TODAY.
...MUCH OF THE SOUTH...
FOLLOWING THE RECENT FRONTAL PASSAGE...AN EXTREMELY DRY AIRMASS HAS
BEEN DOMINATING THE SOUTH. LITTLE GULF MOISTURE WILL RETURN TO THE
SOUTHERN PLAINS DESPITE SURFACE WINDS SHIFTING TO SLY. RHS OF LOWER
20S WILL BE EXPERIENCED AS FAR S AS SRN TX...AND DESPITE LIGHT WINDS
THIS WILL POSE A FIRE HAZARD IN AREAS PLAGUED BY DROUGHT. FURTHER E
ACROSS LA/MS/AL...TEMPERATURES WILL BE COOLER AND RHS WILL BE
SOMEWHAT HIGHER...BUT WINDS WILL BE STRONGER AND FROM THE NORTHWEST.
IN GA/SC AND NC...WINDS WILL BE STRONG AND FROM THE W...ALTHOUGH
TEMPERATURES WILL BE COOLER AND RECENT RAINFALL SHOULD HELP TO
SOMEWHAT MITIGATE THE OVERALL THREAT. REGARDLESS...FIRE CREWS SHOULD
BE AWARE THAT APART FROM THE CRITICAL AREAS WHERE A HIGHER THREAT
EXISTS COMPARED TO SURROUNDING AREAS...A FIRE THREAT STILL EXISTS
ACROSS NEARLY ALL OF THE SRN STATES TODAY.
..HURLBUT.. 04/07/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
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FNUS22 KWNS 070813
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0313 AM CDT TUE APR 07 2009
VALID 081200Z - 091200Z
...CRITICAL FIRE WEATHER AREA FOR SERN AZ...SRN/ERN NM...WRN TX...
...SYNOPSIS...
THE UPPER LOW CURRENTLY APPROACHING THE CNTRL CA COAST WILL PROGRESS
EWD AS AN OPEN WAVE...BECOMING ORIENTED OVER THE ROCKIES BY EARLY
THU MORNING. STRONG SWLY FLOW ALOFT WILL OVERSPREAD THE SWRN
STATES...INDUCING SURFACE CYCLOGENESIS NEAR THE SERN CO/NERN NM
BORDERS. STRONG WINDS WILL ALIGN WITH LOW RHS ACROSS SRN
AZ...SRN/ERN NM...AND WRN TX.
FURTHER E...AN UPPER LONG WAVE TROUGH WILL DOMINATE THE ERN
STATES...WITH COOL/DRY CONTINENTAL FLOW CONTINUING. AT THE
SURFACE...HIGH PRESSURE WILL SETTLE OVER THE OPEN WATERS E OF THE
SRN FL PENINSULA...WITH A LIGHTER PRESSURE GRADIENT AND ASSOCIATED
SURFACE WINDS ACROSS THE SERN STATES COMPARED TO D1. SURFACE WINDS
WILL SHIFT TO SWLY AROUND THE PERIPHERY OF THE HIGH...LEADING TO
WARMER TEMPERATURES...ALTHOUGH RHS WILL REMAIN LOW.
...CRITICAL FIRE WEATHER AREA - SERN AZ...SRN/ERN NM...WRN TX...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH...DROUGHT
A SURFACE LOW WILL DEVELOP INVOF THE SERN CO/NERN NM BORDERS IN
RESPONSE TO AN APPROACHING UPPER LOW TO THE W. SUSTAINED WINDS NEAR
25 TO 35 MPH WITH GUSTS TO 50 MPH CAN BE EXPECTED AS THE PRESSURE
GRADIENT INCREASES AND WARMING TEMPERATURES ALLOW STRONG GUSTS TO
MIX TO THE SURFACE. AN EXTREMELY DRY AIRMASS WILL REMAIN OVER THE
AREA...AND RHS IN THE SINGLE DIGITS AND LOWER TEENS CAN BE EXPECTED
AS TEMPERATURES WARM INTO THE 70S AND LOWER 80S. LITTLE RH RECOVERY
WILL OCCUR OVERNIGHT.
...FLORIDA...
WINDS WILL SHIFT TO SWLY ACROSS MOST OF FL WITH THE EXCEPTION OF THE
SRN PENINSULA...WHERE LOCAL SEABREEZE EFFECTS WILL CHANGE THE WIND
DIRECTION ALONG THE COASTS. WARMER TEMPERATURES WILL RETURN...BUT
LITTLE GULF/ATLANTIC MOISTURE WILL BE AVAILABLE TO PROVIDE MUCH
IMPROVEMENT TO DEW POINTS/AFTERNOON RHS. ALTHOUGH A WEAKER PRESSURE
GRADIENT WILL LEAD TO LIGHTER WINDS COMPARED TO D1...RHS WILL STILL
BE LOW...WITH LOW TO MID 20S ACROSS N AND CNTRL FL...AND LOWER 30S
IN THE S. AT THE MOMENT WINDS APPEAR TO BE MARGINAL...HOWEVER IT IS
POSSIBLE THAT A CRITICAL WILL NEED TO BE ADDED IN TOMORROWS
FORECAST...MAINLY FOR THE FL PANHANDLE AND THE SUWANNEE
VALLEY...WHERE STRONGER WINDS AROUND THE PERIPHERY OF THE HIGH AND
AHEAD OF A LOW TO THE W MAY BE ACHIEVED.
..HURLBUT.. 04/07/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...