Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 230917
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0417 AM CDT TUE MAY 23 2006
VALID 231200Z - 241200Z
...CRITICAL FIRE WEATHER AREA FOR ERN PLAINS OF NM INTO PORTIONS OF
FAR NW TX...
...SYNOPSIS...
AN UPPER-LEVEL TROUGH IN WY/CO WILL SLOW AS IT MOVES INTO THE NRN
PLAINS. AT THE SURFACE...LOW PRESSURE WILL LIFT NNE FROM SERN MT
INTO SERN MANITOBA BY WEDNESDAY MORNING. A COOL FRONT/DRY LINE WILL
TRAIL SWD ACROSS THE HIGH PLAINS. IN THE NORTHEAST...CONTINUED NW
FLOW WILL PREVAIL ON THE BACKSIDE OF A LARGE TROUGH ACROSS THE
CANADIAN MARITIMES. WEAK LOW-LEVEL FLOW WILL OCCUR OVER MOST OF THE
SWRN AND SERN CONUS.
...CRITICAL FIRE WEATHER AREA - ERN PLAINS OF NM INTO PORTIONS OF
FAR NW TX...
PRIMARY CONDITIONS: VERY LOW RH / MODERATE WINDS / LONG-TERM DROUGHT
VERY WARM TEMPERATURES COMBINED WITH VERY LOW RH VALUES ARE EXPECTED
THIS AFTERNOON AS THE DRY LINE MIXES EWD TOWARDS INTO THE TX/OK
PANHANDLES. TEMPERATURES IN THE 90S TO LOWER 100S AND DEW POINTS
MAINLY IN THE 20S...WILL ALLOW RH VALUES TO PLUMMET TO 5 TO 10
PERCENT. WIND SPEEDS WILL BE MARGINAL TODAY...AS THE STRONGEST MID
AND LOW-LEVEL WINDS WILL OCCUR FURTHER NORTH IN VICINITY OF THE NRN
PLAINS LOW. IN ADDITION...THE STRONGEST SUSTAINED WINDS MAY OCCUR IN
THE MID-LATE MORNING HOURS AS MID-LEVEL SUPPORT AND STRENGTH OF THE
SURFACE PRESSURE GRADIENT WEAKEN DURING THE AFTERNOON.
NEVERTHELESS...STEEPENING LOW-MID LEVEL LAPSE RATES SHOULD ALLOW WLY
WINDS TO GUST TO AROUND 25 MPH AT TIMES DURING THE PERIOD OF LOWEST
RH. WIND SPEEDS WILL DECREASE AFTER SUNSET AND BECOME NLY AFTER A
COOL FRONTAL PASSAGE.
...FOOTHILLS AND URBAN CORRIDOR OF N-CNTRL CO...
A BRIEF PERIOD OF MODERATE TO STRONG WIND GUSTS MAY COMBINE WITH
MARGINALLY LOW RH THIS AFTERNOON. HOWEVER..OVERNIGHT SHOWERS AND
THUNDERSTORMS HAVE LIKELY WETTED FUELS IN MOST LOCATIONS. A
LOCALIZED CRITICAL THREAT MAY EXIST IN AREAS WHICH DID NOT RECEIVE
SUBSTANTIAL RAINFALL.
AS THE UPPER-LEVEL TROUGH AXIS SHIFTS NE OF THE AREA THIS
MORNING...DOWNSLOPE WLY FLOW WILL BE INDUCED. WIND GUSTS OF 25 TO 40
MPH SHOULD OCCUR...UNDER A 35 TO 50 MPH MID-LEVEL JET. RH VALUES
WILL DROP RAPIDLY...AND SHOULD APPROACH 15 TO 20 PERCENT THIS
AFTERNOON. WINDS WILL DIMINISH SOME OVERNIGHT...BUT WILL LIKELY
CONTINUE TO GUST TO AROUND 20 TO 25 MPH IN THE FOOTHILLS.
..GRAMS.. 05/23/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 230943
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0443 AM CDT TUE MAY 23 2006
VALID 241200Z - 251200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER-LEVEL TROUGH/LOW IN THE DAKOTAS ON TUESDAY MORNING WILL
DRIFT EWD INTO THE UPPER MS RIVER VALLEY BY WEDNESDAY MORNING. A
TIGHT SURFACE PRESSURE GRADIENT AND MODERATE TO STRONG MID-FLOW WILL
DEVELOP ACROSS THE NRN HIGH PLAINS. ELSEWHERE...UPPER-LEVEL RIDGING
OVER THE WRN AND ERN THIRDS OF THE NATION WILL ALLOW WEAK FLOW TO
PREVAIL IN THE SWRN AND SERN CONUS.
...SERN MT/NERN WY/WRN SD...
POTENTIAL EXISTS FOR CRITICAL CONDITIONS ON WEDNESDAY...HOWEVER
RAINFALL EFFECTS ON FUELS FROM SHOWERS AND TSTMS EXPECTED TODAY
PRECLUDES AN ISSUANCE ATTM. LOCALIZED CRITICAL CONDITIONS APPEAR TO
BE THE LIKELY SCENARIO WITH AREAS THAT DO NOT RECEIVE SUBSTANTIAL
RAINFALL.
IN BETWEEN A SURFACE LOW IN MN AND A SURFACE HIGH ACROSS THE CNTRL
ROCKIES...A TIGHT SURFACE PRESSURE GRADIENT WILL EXIST. IN
ADDITION...BOTH LOW AND MID-LEVEL JETS WILL BE FAVORABLY ALIGNED
FROM THE NW TO THE W OF THE MID/UPPER-LEVEL TROUGH IN MN. DOWNWARD
MOMENTUM TRANSPORT WILL ALLOW MIXING OF THESE JETS TOWARDS THE
SURFACE DURING THE AFTERNOON. SUSTAINED WIND SPEEDS OF 25 TO 35 MPH
APPEAR LIKELY WITH HIGHER GUSTS AROUND 45 MPH. AS DOWNSLOPE FLOW
HELPS BOOST TEMPERATURES INTO THE MID 70S TO 80S...RH VALUES WILL
LIKELY REACH 15 TO 20 PERCENT.
..GRAMS.. 05/23/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...