Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 200930
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0430 AM CDT SAT MAY 20 2006
VALID 201200Z - 211200Z
...CRITICAL FIRE WEATHER AREA FOR SRN AND ERN NV/EXTREME SWRN
UT/EXTREME NWRN AZ...
...CRITICAL FIRE WEATHER AREA FOR GA COASTAL PLAIN...
...SYNOPSIS...
LARGE WRN RIDGE AXIS WILL SHIFT VERY SLOWLY EWD AS AN UPPER-LEVEL
TROUGH DIGS OFF THE CA COAST AND ANOTHER UPPER-LEVEL TROUGH DIVES
SEWD ACROSS THE GREAT LAKES. MODERATE MID-LEVEL WINDS WILL CONTINUE
ACROSS THE GREAT BASIN. A LEE TROUGH CENTERED IN THE TX PANHANDLE
WILL STRENGTHEN THE SURFACE PRESSURE GRADIENT ACROSS CNTRL TX. A
WEAK LOW PRESSURE CENTER IN THE MID-MS RIVER VALLEY WILL SLIDE
QUICKLY EAST TOWARDS THE CAROLINAS BY THIS EVENING...WITH AN
INCREASING SURFACE PRESSURE GRADIENT ACROSS PORTIONS OF THE SE.
...CRITICAL FIRE WEATHER AREA 1 - SRN AND ERN NV/EXTREME SWRN
UT/EXTREME NWRN AZ...
PRIMARY CONDITIONS: MODERATE WINDS / LOW RH VALUES / STEEP LAPSE
RATES
CONTINUED MID-LEVEL FLOW FROM AROUND 30 TO 50 MPH IN CONJUCTION WITH
STEEP LOW-LEVEL LAPSE RATES THIS AFTERNOON...WILL SUPPORT SUSTAINED
SURFACE WINDS OF 20 TO 25 MPH. AS TEMPERATURES WARM INTO THE 80S AND
90S IN THE GREAT BASIN...AND INTO THE LOWER 100S IN THE LOWER CO
RIVER VALLEY...RH VALUES WILL DECREASE TO 10 TO 15 PERCENT. ALTHOUGH
WINDS WILL DIMINISH SOMEWHAT TONIGHT...SPEEDS OF 10 TO 20 MPH WILL
CONTINUE AS AN UPPER-LEVEL TROUGH OFF THE CA COAST APPROACHES.
...CRITICAL FIRE WEATHER AREA 2 - GA COASTAL PLAIN...
PRIMARY CONDITIONS: GUSTY WINDS / LOW RH VALUES / VERY WARM
TEMPERATURES
TO THE SOUTH OF A QUICK-MOVING LOW PRESSURE CENTER NEAR THE
CAROLINAS LATE THIS AFTERNOON...A ZONE OF CRITICALLY LOW RH VALUES
AND GUSTY WINDS APPEARS LIKELY. VERY WARM TEMPERATURES INTO THE
LOWER TO MIDDLE 90S COMBINED WITH DEW POINTS MIXING INTO THE
50S...WILL PROVIDE RH VALUES IN THE 20 TO 30 PERCENT RANGE. AREA
WIND PROFILERS INDICATE A LOW-LEVEL JET AXIS RUNNING FROM W TO E
ACROSS THE FAR SRN APPALACHIANS THIS MORNING. THIS AXIS WILL MOVE
ACROSS ERN GA AND SC BY NOON. SUFFICIENT MIXING OF THIS WIND MAXIMUM
WILL OCCUR TO PROMOTE GUSTY SURFACE WINDS TO AROUND 25 MPH THROUGH
THE AFTERNOON. THE CRITICAL THREAT WILL DIMINISH THIS EVENING AS
WINDS DECREASE RAPIDLY AND RH RECOVERY ENSUES.
...MUCH OF CNTRL AND ERN NM...
VERY HIGH BASED TSTMS ARE POSSIBLE ONCE AGAIN TODAY WITH THE
POTENTIAL FOR DRY LIGHTNING STRIKES DUE TO A VERY DRY BOUNDARY
LAYER. MINIMUM RH VALUES WILL FALL TO 10 TO 15 PERCENT. ALTHOUGH
MID LEVEL WINDS WILL BE WEAK...GUSTY OUTFLOW WINDS WILL ACCOMPANY
STORMS.
...PORTIONS OF SW AND S-CNTRL TX NEAR THE RIO GRANDE VALLEY...
SURFACE WINDS ARE EXPECTED TO BE STRONGER THAN FRIDAY AS THE
PRESSURE GRADIENT STRENGTHENS IN RESPONSE TO A DEEPENING LEE TROUGH
OVER THE TX PANHANDLE. HOWEVER...WITH A LACK OF MID-LEVEL
SUPPORT...SUSTAINED WIND SPEEDS WILL HOLD AROUND 15 MPH.
NEAR-SURFACE DEWPOINTS WILL INCREASE SOMEWHAT TODAY WITH CONTINUED
S/SE WINDS. HOT TEMPERATURES AROUND 100 DEGREES WILL ALLOW RH TO
FALL TO AROUND CRITICALLY LOW VALUES OF 20 PERCENT.
..GRAMS.. 05/20/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 200959
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0459 AM CDT SAT MAY 20 2006
VALID 211200Z - 221200Z
...CRITICAL FIRE WEATHER AREA FOR ERN AND SRN NV/SWRN UT/NWRN AZ/CA
DESERTS...
...SYNOPSIS...
LARGE UPPER-LEVEL RIDGE ACROSS THE ROCKIES WILL SHIFT ONTO THE
PLAINS AS A LARGE TROUGH ENTERS CA. STRONG MID-LEVEL SPEEDS WILL
OCCUR AHEAD OF THIS TROUGH FROM SRN CA INTO THE GREAT BASIN. IN THE
EAST...AN UPPER-LEVEL TROUGH OVER THE GREAT LAKES WILL SHIFT EWD
ACROSS NEW ENGLAND. RELATIVELY WEAK MID AND LOW-LEVEL FLOW IS
FORECAST TO THE S OF THIS TROUGH OVER THE SOUTHEAST.
...CRITICAL FIRE WEATHER AREA 1 - ERN AND SRN NV/SWRN UT/NWRN AZ/CA
DESERTS...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH / VERY WARM TEMPERATURES
STRONG MID-LEVEL WINDS WILL LIKELY SPREAD EWD ACROSS THE CRITICAL
AREA ON SUNDAY...IN ADVANCE OF AN UPPER-LEVEL TROUGH NEAR THE CA
COAST. A WIDESPREAD CRITICAL EVENT IS POSSIBLE AS MID-LEVEL WINDS
INCREASE TO AROUND 40 TO 60 MPH BY SUNDAY AFTERNOON. STEEP LOW-LEVEL
LAPSE RATES WILL ALLOW FOR SOME MECHANICAL MIXING OF THESE STRONG
WINDS. ALTHOUGH THIS WILL BE COUNTERACTED BY GENERAL UPWARD MOTION
IN ADVANCE OF THE TROUGH...ESPECIALLY ON THE NRN END OF THE CRITICAL
AREA. NEVERTHELESS...WIDESPREAD SUSTAINED SURFACE WINDS OF 20 TO 30
MPH APPEAR LIKELY...WITH LOCALIZED GUSTS TO AROUND 40 MPH.
TEMPERATURES WILL DISPLAY A WIDE RANGE WITH MID AND UPPER LEVEL
CLOUDS ACROSS THE GREAT BASIN LIMITING VALUES TO THE 70S HERE.
FURTHER SOUTH...TEMPERATURES IN THE 80S TO AROUND 100 IN THE LOWER
CO RIVER VALLEY WILL ALLOW RH VALUES TO FALL TO AROUND 10 TO 15
PERCENT. WIND SPEEDS IN EXCESS OF 20 MPH WILL LIKELY LAST THROUGH
MUCH OF THE EVENING HOURS AS EVEN STRONGER WINDS ALOFT APPROACH.
THIS WILL PROMOTE POOR RH RECOVERY SUNDAY NIGHT.
..GRAMS.. 05/20/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...