Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 221630
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1130 AM CDT SAT MAY 22 2010
VALID 221700Z - 231200Z
...CRITICAL FIRE WEATHER AREA FOR SRN MOJAVE DESERT...NRN/ERN
AZ...MUCH OF NM...PORTIONS OF SWRN CO...
NO APPRECIABLE CHANGE TO PRIOR FORECAST. LATE MORNING OBSERVATIONAL
DATA SHOW TEMPS STEADILY WARMING S OF A COLD FRONT /DRAPED OVER THE
SRN GREAT BASIN INTO THE MOJAVE DESERT/ UNDER CLEAR SKIES. THE NEXT
IN A SERIES OF UPPER SPEED MAXIMA /LOCATED OVER THE I-15 CORRIDOR IN
SRN CA-SRN NV/ IS CONTRIBUTING TO AMPLE BOUNDARY LAYER MIXING WITH
WIND GUST SPEEDS ALREADY RANGING FROM 25-35 MPH ACROSS A LARGE
PORTION OF NM...SRN CO...NRN HALF OF AZ...AND THE SRN CA DESERTS AT
16Z.
..SMITH.. 05/22/2010
.PREV DISCUSSION... /ISSUED 0318 AM CDT SAT MAY 22 2010/
...SYNOPSIS...
AN UPPER TROUGH WILL SLOWLY DIG SWD INTO THE GREAT BASIN TODAY. A
BELT OF STRONG MID-LEVEL WINDS WILL EXTEND FROM THE SRN CA COAST
INTO THE NRN GREAT PLAINS...WITH WINDY CONDITIONS AT THE SFC LEADING
TO CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE SWRN STATES
AND PORTIONS OF THE SRN HIGH PLAINS. A BROAD UPPER RIDGE OVER THE
ERN HALF OF THE COUNTRY WILL YIELD LIGHT WINDS AND RELATIVELY HIGH
HUMIDITY VALUES FOR MOST AREAS. COOL CONDITIONS WILL PERSIST ACROSS
THE PAC NW AND NRN ROCKIES.
...SRN MOJAVE DESERT...NRN/ERN AZ...MUCH OF NM...PORTIONS OF SWRN
CO......
SUSTAINED SWLY WINDS OF 20-30 MPH/GUSTS TO 40 MPH WILL DEVELOP
ACROSS MUCH OF THE REGION BENEATH STRONG MID-LEVEL FLOW AND A
TIGHTENING SFC PRESSURE GRADIENT AS A SFC LOW RAPIDLY DEEPENS OVER
NERN CO. THE STRONGEST WINDS WILL LIKELY EXIST ACROSS THE HIGHER
ELEVATION PLATEAUS ACROSS NRN AZ/NM AND THE SRN HIGH PLAINS.
DOWNSLOPE WINDS WILL ALSO LEAD TO FURTHER HEATING/DRYING ACROSS SOME
AREAS...INCLUDING THE WRN PARTS OF THE IMPERIAL AND COACHELLA
VALLEYS IN SRN CA.
A DRY AND UNSTABLE/WELL-MIXED BOUNDARY LAYER WILL DEVELOP RAPIDLY IN
THE AFTERNOON. RH VALUES ARE EXPECTED TO DROP INTO THE SINGLE DIGITS
TO LOW TEENS ACROSS MUCH OF THE REGION...PARTICULARLY IN LOWER
ELEVATION AREAS. ALTHOUGH SFC TEMPERATURES WILL BE COOLER ACROSS NRN
AZ AND NWRN NM...THE AIR MASS WILL REMAIN SUFFICIENTLY DRY TO YIELD
RH VALUES IN THE LOWER TEENS.
...SERN UT...WRN AND SERN CO...WRN TX/OK PANHANDLES...
WINDY CONDITIONS AND LOW RH VALUES ARE FORECAST ACROSS THE NRN CO
PLATEAU AND THE SRN HIGH PLAINS. HOWEVER...PER RECENT COORDINATION
WITH LOCAL FORECAST OFFICES...FUEL CONDITIONS ARE CURRENTLY IN
GREENUP...AND UNFAVORABLE FOR RAPID FIRE SPREAD.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 221724
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1224 PM CDT SAT MAY 22 2010
VALID 231200Z - 241200Z
...CRITICAL FIRE WEATHER AREA FOR ERN AZ...MUCH OF NM...PORTIONS OF
SWRN CO...
FORECAST ON TRACK...NO CHANGES NEEDED ATTM.
..SMITH.. 05/22/2010
.PREV DISCUSSION... /ISSUED 0348 AM CDT SAT MAY 22 2010/
...SYNOPSIS...
A SHARP UPPER TROUGH WILL SHIFT INLAND INTO THE SRN MOJAVE DESERT
SUNDAY AND WILL BRING COOL CONDITIONS TO MUCH OF THE REGION. STRONG
WINDS WILL EXIST S AND E OF THIS FEATURE...BRINGING CRITICAL FIRE
WEATHER CONDITIONS TO PORTIONS OF THE SWRN STATES. A BROAD UPPER
RIDGE WILL REMAIN FIXED OVER THE ERN HALF OF THE NATION...WITH LIGHT
WINDS AND A WARM/HUMID AIR MASS IN PLACE. COOL CONDITIONS WILL
CONTINUE ACROSS THE PAC NW.
...ERN AZ...MUCH OF NM...PORTIONS OF SWRN CO...
WINDY CONDITIONS WILL DEVELOP ONCE AGAIN OVER THE REGION AS THE
UPPER TROUGH SHIFTS EWD. WIDESPREAD SLY TO SWLY SUSTAINED WINDS OF
20-30 MPH APPEAR LIKELY TO DEVELOP...WITH GUSTS OF 40-50 MPH
POSSIBLE. THE STRONGEST WINDS WILL LIKELY EXIST ACROSS THE HIGHER
ELEVATION AREAS...INCLUDING THE SRN CO PLATEAU...BENEATH A BELT OF
50-60 KTS MID-LEVEL FLOW. WINDS OVER THE ERN NM HIGH PLAINS WILL
ONCE AGAIN STRENGTHEN IN RESPONSE TO A WEAK LEE SFC LOW OVER ERN CO.
THE AIR MASS WILL CONTINUE TO REMAIN DRY...YIELDING MIN RH VALUES IN
THE UPPER SINGLE DIGITS TO LOWER TEENS...DESPITE COOLER TEMPERATURES
OVER NERN AZ.
...WRN/S CNTRL AZ...
WIDESPREAD SUSTAINED WIND SPEEDS OF 15-25 MPH ARE FORECAST TO
DEVELOP ACROSS MUCH OF THE WRN HALF OF AZ SUNDAY. THICKNESS FALLS
WITH THE APPROACH OF THE UPPER LOW/TROUGH WILL BRING COOLER AIR INTO
THE REGION...YIELDING RH VALUES IN THE MID TO UPPER TEENS DESPITE
THE PRESENCE OF A DRY AIR MASS. DUE TO UNCERTAINTY IN WHETHER
CRITICAL RH THRESHOLDS WILL BE MET...A RISK AREA WILL NOT BE ISSUED
AT THIS TIME.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...