Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 090806
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0306 AM CDT WED AUG 09 2006
VALID 091200Z - 101200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF WY AND SRN MT...
...SYNOPSIS...
AN UPPER TROUGH WILL MOVE FROM THE NRN ROCKIES INTO THE NRN PLAINS
TODAY. IN ASSOCIATION WITH THIS SYSTEM...GUSTY WLY TO NWLY WINDS
WILL DEVELOP AHEAD/BEHIND A COLD FRONT. ISOLATED DRY TSTMS WILL ALSO
BE POSSIBLE WITH THIS SYSTEM. FURTHER SOUTH UNDER THE INFLUENCE OF
AN UPPER RIDGE...MODERATE SLY SFC WINDS...VERY HOT TEMPERATURES AND
LOW RH READINGS WILL SUPPORT NEAR CRITICAL FIRE WEATHER CONDITIONS
OVER PORTIONS OF KS/OK AND NRN TX.
ELSEWHERE...LOW RH READINGS AND ABOVE NORMAL TEMPERATURES WILL OCCUR
OVER MUCH OF THE GREAT BASIN/CA AS UPPER RIDGING TEMPORARILY BUILDS
INTO THE REGION IN THE WAKE OF THE UPPER TROUGH. ANOTHER UPPER
TROUGH WILL APPROACH THE PAC NW LATE IN THE PERIOD...WITH A SLIGHT
INCREASE IN WLY FLOW NOTED OVER INTERIOR REGIONS OF WA/ORE. UPPER
RIDGING OVER MUCH OF THE SUN BELT WILL PRODUCE ABOVE NORMAL
TEMPERATURES...BUT WEAK WINDS/SCT PRECIPITATION WILL PRECLUDE ANY
CRITICAL FIRE WEATHER CONDITIONS.
...CRITICAL FIRE WEATHER AREA - WRN...CENTRAL AND NERN
WY...SCENTRAL/SERN MT...
PRIMARY CONDITIONS: SUSTAINED WLY WINDS AROUND 20 MPH...COLD FRONTAL
WIND SHIFT...MIN RH VALUES FROM 5-15 PERCENT
IN ASSOCIATION WITH A SEASONABLY STRONG UPPER TROUGH...WLY WINDS
WILL INCREASE BEHIND A DRYLINE AND SOUTH OF A COLD FRONT OVER FAR
SCENTRAL/SERN MT AND WRN/CENTRAL WY DURING THE MORNING HRS. LOW
DEWPTS IN THE TEENS AND 20S COMBINED WITH WARM TEMPERATURES IN THE
90S IN LOWER ELEVATIONS WILL PRODUCE MIN RH READINGS FROM 5-10
PERCENT THIS AFTERNOON. AS A COLD FRONT MOVES SWD THROUGH
SCENTRAL/SERN MT AND NCENTRAL/NERN WY DURING THE AFTERNOON
HRS...THERE WILL BE A SEVERAL HR PERIOD IMMEDIATELY FOLLOWING THE
FRONTAL PASSAGE WHERE NWLY WINDS WILL REMAIN MODERATE WITH GUSTS UP
TO 30 MPH. WITH COOLER AIR LIKELY LAGGING...ONLY SLOW RECOVERING RH
READINGS ARE EXPECTED. IN ADDITION THE FRONT SHOULD PROVIDE FOR A
FOCUS ISOLATED DRY TSTMS.
...SRN PLAINS...
WELL TO THE SOUTH OF THE NRN PLAINS SYSTEM AND UNDER THE INFLUENCE
OF A STRONG UPPER RIDGE...TEMPERATURES WILL AGAIN AVERAGE ABOVE 100
DEG F...WITH SOME LOCATIONS NEAR 106 DEG F. CONTINUED
SUBSIDENCE/MIXING WILL SUPPORT MIN RH READINGS FALLING TO BETWEEN
20-25 PERCENT OVER MUCH OF WRN/CENTRAL OK...NRN TX/ERN TX PANHANDLE
AND WRN/CENTRAL KS. WITH THE BREAKDOWN OF THE UPPER RIDGE OVER THE
NRN ROCKIES/HIGH PLAINS...THE LEE TROUGH OVER THE CENTRAL HIGH
PLAINS WILL STRENGTHEN TODAY. THE RESULTANT INCREASING PRESSURE
GRADIENT BETWEEN THE LEE TROUGH AND SFC HIGH PRESSURE OVER THE
CENTRAL GULF COAST ALONG WITH LINGERING EFFECTS OF A MODERATE
NOCTURNAL LOW LEVEL JET WILL BE TO SUPPORT AN INCREASE IN SLY WINDS
OVER MUCH OF KS/OK AND NRN TX. SUSTAINED SLY WINDS WILL AVERAGE
AROUND 15 MPH...WITH OCCASIONALLY GUSTS UP TO 25 MPH. THE
COMBINATION OF WINDS...LONG TERM DROUGHT AND LOW RH VALUES WILL LEAD
TO NEAR CRITICAL FIRE WEATHER CONDITIONS.
..CROSBIE.. 08/09/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 090811
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0311 AM CDT WED AUG 09 2006
VALID 101200Z - 111200Z
...CRITICAL FIRE WEATHER AREA FOR A PORTION OF THE INTERIOR PAC
NW/NRN GREAT BASIN...
...CRITICAL FIRE WEATHER AREA FOR A PORTION OF THE INTERIOR PAC NW
FOR DRY TSTMS...
...CRITICAL FIRE WEATHER AREA FOR A PORTION OF THE SRN PLAINS...
...SYNOPSIS...
ANOTHER SEASONABLY STRONG UPPER TROUGH WILL MOVE INTO THE PAC NW
THROUGH THE PERIOD. AHEAD OF AN ASSOCIATED COLD FRONT...GUSTY SWLY
WINDS COMBINED WITH LOW RH READINGS WILL LEAD TO CRITICAL FIRE
WEATHER CONDITIONS OVER THE PORTIONS OF THE NRN GREAT BASIN/INTERIOR
PAC NW. IN ADDITION...SCT DRY TSTMS WILL ALSO BE POSSIBLE OVER ERN
ORE INTO WRN ID LATE IN THE AFTERNOON/OVERNIGHT. FURTHER SE...ABOVE
NORMAL TEMPERATURES WILL CONTINUE OVER MUCH OF THE SRN 1/2 OF THE
COUNTRY SOUTH OF A COLD FRONT. INCREASING SLY WINDS ALONG WITH NEAR
RECORD HIGH TEMPERATURES OVER OK/NRN TX WILL PRODUCE ANOTHER
CRITICAL FIRE WEATHER THREAT AREA.
...CRITICAL FIRE WEATHER AREA - NERN CA...NRN NV...MUCH OF ERN
ORE/SWRN ID...
PRIMARY CONDITIONS: SWLY WINDS FROM 20-25 MPH...MIN RH READINGS FROM
10-15 PERCENT
AHEAD OF AN UPPER TROUGH AXIS THAT WILL MOVE THROUGH THE PAC NW
DURING THE PERIOD...SWLY SFC WINDS WILL INCREASE OVER MUCH OF THE
NRN GREAT BASIN AND INTERIOR PAC NW. ABOVE NORMAL TEMPERATURES IN
THE 90S WILL SUPPORT LOW RH READINGS FROM 10-15 PERCENT AHEAD OF A
COLD FRONT WHICH IS FCST TO MOVE THROUGH ERN ORE/NRN ID DURING THE
AFTERNOON HRS. THE COMBINATION OF MODERATE WINDS FROM 20-25 MPH WITH
THE LOW RH READINGS WILL SUPPORT A CRITICAL FIRE WEATHER THREAT.
WITH THE PASSAGE OF A COLD FRONT...WINDS WILL SHIFT TO A NWLY
DIRECTION WITH ONLY SLOWLY IMPROVING RH READINGS.
...CRITICAL FIRE WEATHER AREA - ERN ORE...WRN ID...
PRIMARY CONDITIONS: SCT DRY TSTMS
AHEAD OF THE UPPER TROUGH AXIS AND ALONG AND JUST AHEAD OF A COLD
FRONT...MID LEVEL MOISTURE WILL SUPPORT SCT TSTM DEVELOPMENT. AS WAS
MENTIONED IN THE PREVIOUS PARAGRAPH...MUCH OF ERN ORE INTO SWRN ID
WILL SEE LOW RH READINGS. THE COMBINATION OF FOCUSED LIFT ALONG THE
FRONT/UPPER TROUGH ABOVE A DEEPLY MIXED AND DRY BOUNDARY LAYER WILL
SUPPORT A CRITICAL DRY TSTM THREAT. TSTMS SHOULD INITIALLY FORM OVER
ERN ORE BEFORE MOVING INTO WRN ID DURING THE EVENING/OVERNIGHT HRS.
...CRITICAL FIRE WEATHER AREA - MUCH OF CENTRAL/WRN OK...NRN TX/ERN
TX PANHANDLE...
PRIMARY CONDITIONS: SWLY WINDS FROM 15-20 MPH WITH GUSTS UP TO 25
MPH...LONG TERM DROUGHT...MIN RH READINGS FROM 15-20 PERCENT
ANOTHER HOT DAY IS EXPECTED OVER MUCH OF THE SRN PLAINS. AS THE
UPPER TROUGH OVER THE NRN PLAINS AT THE START OF THE PERIOD MOVES
ESEWD INTO THE UPPER MIDWEST...A COLD FRONT WILL BE PUSHED SWD INTO
KS. A REMNANT LEE SIDE LOW PRESSURE AREA IS ANTICIPATED TO BE
LOCATED ALONG THE FRONT OVER FAR NWRN OK/SWRN KS DURING THE PERIOD.
MEANWHILE...HIGH PRESSURE WILL REMAIN IN NEARLY THE SAME LOCATION AS
THE LAST FEW DAYS OVER THE NCENTRAL GULF COAST. THE RESULTANT
INCREASE IN THE PRESSURE GRADIENT ALONG WITH A REMNANT LOW LEVEL JET
WILL SUPPORT SUSTAINED SSWLY WINDS FROM 15-20 MPH WITH OCCASIONAL
GUSTS OVER 25 MPH. GIVEN THE SWLY COMPONENT TO THE SFC WIND
FIELDS...VERY HOT TEMPERATURES ARE EXPECTED WITH NEAR RECORD
READINGS FROM 104-108 DEG F. DEEP MIXING COMBINED WITH DROUGHT/HEAT
RELATED NEGATIVE FEEDBACK SOIL MOISTURE EFFECTS WILL SUPPORT DEWPTS
IN THE UPPER 40S/LOWER 50S OVER THE AREA. THE RESULTANT MIN RH
READINGS WILL BE FROM 15-20 PERCENT. DESPITE MARGINALLY STRONG WIND
FIELDS...THE EXCESSIVE HEAT/LOW RH READINGS SUPPORTS A CRITICAL FIRE
WEATHER THREAT.
..CROSBIE.. 08/09/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...