Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 291631
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1131 AM CDT MON MAR 29 2010
VALID 291700Z - 301200Z
...NO CRITICAL AREAS...
DRY CONDITIONS WILL CONTINUE TODAY ACROSS MUCH OF THE SWRN CONUS AND
INTO THE HIGH PLAINS.
...ERN WY...SWRN SD AND WRN NEB...
12Z RAOB FROM RAP SHOWED LITTLE MOISTURE RECOVERY OVERNIGHT WITH
MORNING RH VALUES IN THE UPPER TEENS. 16Z SFC OBS ALSO SHOWED RH
VALUES IN THE UPPER TEENS AND 20S ACROSS MUCH OF ERN WY...SW SD AND
WRN NEB. MODIFIED SOUNDINGS INDICATE THE POTENTIAL FOR RH VALUES TO
DIP INTO THE 12 TO 20 PERCENT RANGE ACROSS MUCH OF THIS AREA WITH A
WELL MIXED LAYER TO AROUND 700 MB. GIVEN GUSTY W/SWLY SFC WINDS OF
AROUND 25 TO 35 MPH THIS AFTERNOON AND FORECAST HIGHS IN THE 60S TO
LOW 70S...AT LEAST A MARGINAL FIRE WEATHER THREAT WILL EXIST IN
AREAS THAT HAVE NOT SEEN MUCH MOISTURE FROM SNOW MELT OR RECENT
RAIN/SNOW.
...SERN NM...SW TX...WRN OK...
GENERALLY LIGHT WINDS /AOB 15 MPH/ WITH SOME HIGHER GUSTS WILL LIMIT
THE OVERALL WILDFIRE THREAT TODAY DESPITE WARM TEMPERATURES AND RH
VALUES IN THE 7 TO 15 PERCENT RANGE.
..STOPPKOTTE.. 03/29/2010
.PREV DISCUSSION... /ISSUED 0318 AM CDT MON MAR 29 2010/
...SYNOPSIS...
AN UPPER RIDGE OVER THE ROCKIES AND HIGH PLAINS WILL FLATTEN TODAY
AS A POWERFUL UPPER TROUGH DEVELOPS ACROSS THE WRN STATES. AT THE
SURFACE...A LEE LOW PRESSURE TROUGH WILL DEEPEN THIS AFTERNOON FROM
ERN MT SWD INTO ERN NM/W TX...WITH INCREASING WINDS. A VERY DRY AIR
MASS WILL REMAIN IN PLACE FROM SRN CA INTO W TX...WITH A MARGINAL
FIRE WEATHER THREAT DEVELOPING ACROSS THE SRN HIGH PLAINS.
ELSEWHERE...STRONG WINDS WITH SOMEWHAT COOLER TEMPERATURES WILL
STRETCH FROM THE WRN GREAT BASIN INTO THE NRN ROCKIES BENEATH THE
DEVELOPING TROUGH. COOL BUT DRY WEATHER WILL PREVAIL ACROSS THE
LOWER MS VALLEY AND CNTRL GULF COAST WITH HIGH PRESSURE.
...SW TX...SERN NM...WRN OK...
SWLY WINDS ARE EXPECTED TO INCREASE INTO THE 15-20 MPH RANGE BY LATE
AFTERNOON AS A LEE TROUGH DEEPENS. AN EXTREMELY DRY AIR MASS IS IN
PLACE...AND STRONG HEATING WILL HELP RH TO FALL INTO THE 5-10
PERCENT RANGE WITH HIGHS RANGING FROM THE MID 70S NERN NM INTO WRN
OK TO THE LOWER 80S SW TX.
...SERN WY...WRN NEB...SWRN SD...
INCREASING WLY DOWNSLOPE FLOW OF 20-30 MPH IS EXPECTED TO DEVELOP
ACROSS ERN WY LATER TODAY. RELATIVELY COOL TEMPERATURES AND ONLY
MODERATE MIXING LAYERS WILL RESULT IN MIN RH LEVELS MAINLY IN THE 20
PERCENT RANGE BY AFTERNOON. RH MAY REACH THE UPPER TEENS OVER WRN
NEB...BUT SUSTAINED WINDS WILL NOT BE AS STRONG THERE.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 291931
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0231 PM CDT MON MAR 29 2010
VALID 301200Z - 311200Z
...CRITICAL FIRE WEATHER AREA FOR SERN AZ INTO WRN OK...
ONGOING FORECAST FOR CRITICAL CONDITIONS ACROSS SERN AZ INTO WRN OK
IS ON TRACK AND NO CHANGES WERE MADE TO THIS AREA.
...ERN CO...WRN KS INTO THE NRN HIGH PLAINS...
FORECAST SOUNDINGS INDICATE MODEST MIXED BOUNDARY LAYERS WITH
AFTERNOON RH VALUES IN THE TEENS TO LOW 20S WITH SW WINDS AROUND 10
TO 20 MPH. FURTHER N ACROSS ERN WY...WRN SD AND WRN NEB...WINDS MAY
GUST TO 30 MPH WHERE DOWNSLOPE WILL ENHANCE SFC FLOW. WHILE SOME
AREAS MAY SEE LOCALLY CRITICAL CONDITIONS...A SIGNIFICANT FIRE
THREAT WILL LARGELY BE LIMITED BY WEAKER SFC FLOW IN THE VICINITY OF
A DEVELOPING LEE LOW OVER THE CO PLAINS. SOME AREAS MAY STILL HAVE
RELATIVELY MOIST GROUND CONDITIONS DUE TO RECENT RAIN/SNOW AND/OR
SNOW MELT AS WELL...FURTHER LIMITING CRITICAL CONDITIONS.
...UPPER MS VALLEY...
WHILE WINDS WILL BE GUSTY ACROSS THE REGION...RH VALUES WILL ONLY
FALL INTO THE 40 TO 50 PERCENT RANGE. DESPITE ONGOING DROUGHT THE
OVERALL FIRE THREAT SHOULD REMAIN LOW.
..STOPPKOTTE.. 03/29/2010
.PREV DISCUSSION... /ISSUED 0322 AM CDT MON MAR 29 2010/
...SYNOPSIS...
A LOW PRESSURE TROUGH WILL DEEPEN SUBSTANTIALLY DURING THE DAY AS AN
UPPER TROUGH OVERSPREADS THE ENTIRE WRN HALF OF THE CONUS. WITH A
VERY DRY AIR MASS ALREADY IN PLACE...THIS WILL LEAD TO CRITICAL FIRE
WEATHER CONDITIONS FROM SERN AZ INTO WRN TX/OK. TO THE E...HIGH
PRESSURE WILL REMAIN AT THE SURFACE ACROSS THE OH VALLEY SWD TO THE
GULF COAST WITH LOW RH WIDESPREAD
...SERN AZ INTO WRN OK...
WINDS WILL INCREASE THROUGHOUT THE DAY ON TUE AS THE UPPER TROUGH
DEVELOPS EWD. SUSTAINED SWLY WINDS OF 20-30 MPH ARE EXPECTED ACROSS
THE ENTIRE CRITICAL AREA BY LATE AFTERNOON. ALSO ANTICIPATED ARE
EXTREME RH VALUES AS LOW AS 3-5 PERCENT FROM SERN AZ ACROSS SRN NM
AND INTO WRN TX. VALUES AS LOW AS THE TEENS ARE LIKELY INTO WRN OK.
VERY WARM TEMPERATURES ALONG WITH VERY DEEP MIXED BOUNDARY LAYERS
ARE ALSO EXPECTED...WITH HIGHS MAINLY IN THE 80S...EXCEPT FOR 90S
OVER FAR SE NM AND SW TX. GIVEN SUCH LOW RH VALUES...FINER FUELS
WILL BE EXTREMELY VOLATILE.
...UPPER MS VALLEY...
STRONG SLY WINDS NEAR 20 MPH WITH HIGHER GUSTS ARE ANTICIPATED TUE
AFTERNOON AS LOW PRESSURE DEEPENS TO THE W. WITH HIGHS IN THE UPPER
60S TO LOWER 70S...RH WILL DROP INTO THE 30 PERCENT RANGE. AREAS
SUCH AS NRN WI AND MN HAVE BEEN IN DROUGHT THUS THERE MAY BE A
MARGINAL FIRE THREAT TUE AFTERNOON.
...LA/MS/AL/GA/FL...
A VERY DRY AIR MASS WILL BE IN PLACE ACROSS THE SERN STATES ON TUE
DUE TO HIGH PRESSURE. WITH HIGHS IN THE 70S...MIN RH OF 25-30
PERCENT IS ANTICIPATED OVER A LARGE AREA. WINDS WILL BE CALM ACROSS
MS AND AL...BUT WLY WINDS OF 10-15 MPH ARE EXPECTED OVER MOST OF FL.
GIVEN RECENT RAINS...ONLY A MARGINAL FIRE THREAT IS EXPECTED.
...SRN NV...NRN AZ...SRN UT...
LOW PRESSURE WILL DEEPEN ACROSS THE CNTRL GREAT BASIN BENEATH A
STRONG UPPER TROUGH. SUSTAINED SWLY WINDS OF 30-40 MPH ARE LIKELY
WITH GUSTS OVER 50-60 MPH. EVEN THOUGH RH WILL DROP INTO THE
TEENS...FUEL CONDITIONS LARGELY REMAIN UNFAVORABLE FOR SIGNIFICANT
WILDFIRES.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...