Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 220732
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0232 AM CDT FRI MAY 22 2009
VALID 221200Z - 231200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
LATEST UPPER AIR RAOBS AND EARLY MORNING SATELLITE IMAGERY DENOTE A
MEAN UPPER LOW INVOF THE SWRN U.S. DESERT/SONORA MEXICO WITH ANOTHER
UPPER LOW OVER THE E-CNTRL GULF OF MEXICO. THESE AFOREMENTIONED
FEATURES ARE EXPECTED TO MEANDER DURING THE FORECAST PERIOD AS A
ZONAL FLOW REGIME AND BELT OF STRONG WLY/S ALOFT REMAINS CONFINED TO
THE U.S.-CANADIAN BORDER. AT THE SURFACE...A WEAK LOW PRESSURE AREA
WILL REMAIN OVER THE LOWER CO RIVER VALLEY WITH ISOLD TO WIDELY
SCATTERED SHOWERS/TSTMS POSSIBLE OVER PARTS OF THE GREAT BASIN EWD
INTO THE PLAINS. A COLD FRONT WILL MOVE SEWD OVER NEW ENGLAND AND
INTO THE NWRN ATLANTIC BY FRIDAY EVENING BRINGING WITH IT
COOLER/DRIER AIR ACCOMPANIED BY MODEST POST-FRONTAL WIND GUSTS.
...NRN NV/EXTREME SWRN ID...
EARLY MORNING GPS H2O DATA OVER THE GREAT BASIN SHOWS HIGHER QUALITY
MOISTURE OOZING NWD OVER THE CO RIVER VALLEY CHARACTERIZED BY
PRECIPITABLE WATER IN EXCESS OF 0.75 INCH. A RELATIVELY DRY AIRMASS
WILL REMAIN ON THE NRN PERIPHERY OF UPPER LOW FEATURE OVER THE SWRN
U.S. FORECAST SOUNDINGS SHOW STEEP LAPSE RATES AND SUFFICIENT
MID-LEVEL MOISTURE CONDUCIVE FOR MODEST CONVECTIVE INSTABILITY.
DIABATIC HEATING IN ADDITION TO A SUBTLE WEAK DISTURBANCE WILL
PROBABLY AID IN PERHAPS ISOLD--MAINLY DRY TSTMS OVER THE AREA DURING
THE AFTERNOON/EARLY EVENING. ONLY MARGINALLY SUPPORTIVE FUELS AND
EXPECTED LIMITED NATURE OF THREAT PRECLUDES A CRITICAL ISSUANCE.
...NEW ENGLAND...
AS TEMPS WARM AHEAD OF A COLD FRONT...RH MAY FALL INTO THE 30S OVER
PARTS OF NEW ENGLAND. LATEST MODEL FORECAST SOUNDINGS SHOW
RELATIVELY LAX BOUNDARY LAYER WINDS...SUGGESTING RATHER WEAK
SUSTAINED SPEEDS /AOB 15 MPH/ WILL BE COMMON...BUT HIGHER GUSTS MAY
OCCUR.
..SMITH.. 05/22/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 220837
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0337 AM CDT FRI MAY 22 2009
VALID 231200Z - 241200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
STRONG UPPER FLOW WILL GENERALLY REMAIN N OF THE U.S.-CANADA BORDER
DURING THE D2 PERIOD. A WEAK UPPER TROUGH WILL APPROACH THE NRN
PART OF THE GREAT BASIN AS IT OVERSPREADS THE PACIFIC NW AND A WEAK
CLOSED LOW WILL MEANDER OVER UT BY SATURDAY EVENING. SHOWERS AND
TSTMS WILL DEVELOP OVER A LARGE PART OF THE INTERMOUNTAIN WEST.
...SERN ORE/NWRN NV/SWRN ID...
LATEST DETERMINISTIC AND ENSEMBLE OUTPUT INDICATE MID-LEVEL MOISTURE
WILL CONTINUE TO SPREAD N AND NW OVER THE NRN GREAT BASIN.
MEANWHILE STRONG DAYTIME HEATING WILL RESULT IN STEEP BOUNDARY LAYER
LAPSE RATES DEVELOPING OVER THE REGION AND COMBINE WITH INCREASING
LARGE SCALE ASCENT ASSOCIATED WITH APPROACHING UPPER TROUGH AND
OROGRAPHIC ENHANCEMENT TO INITIATE TSTMS. NAM/GFS FORECAST
SOUNDINGS GENERALLY SHOW PRECIPITABLE WATER AOB 0.60
INCH...SUGGESTING THE POTENTIAL EXISTS FOR A DRY ISOLD TSTM THREAT.
A CRITICAL HIGHLIGHT DOES NOT APPEAR WARRANTED DUE TO LIMITED FUEL
RECEPTIVENESS.
..SMITH.. 05/22/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...