Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 111055
DAY 1 FIRE WEATHER OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0555 AM CDT FRI JUL 11 2008
VALID 111200Z - 121200Z
CORRECTED TO ADD CRITICAL AREA HEADER TO DISCUSSION
...CRITICAL FIRE WEATHER AREA FOR SE MT/NE WY/WRN DAKOTAS...
...SYNOPSIS...
POTENT UPPER TROUGH WILL CONTINUE TO AMPLIFY/DEEPEN FROM THE
NORTHERN HIGH PLAINS TO THE UPPER MIDWEST THROUGH TONIGHT.
ASSOCIATED SURFACE LOW PRESSURE WILL QUICKLY DEEPEN ACROSS NORTHERN
PORTIONS OF ND/MN INTO SOUTHERN CANADA...WITH A STRONG COLD FRONT
QUICKLY SPREADING EASTWARD ACROSS THE DAKOTAS/MN DURING THE DAY.
OTHERWISE...PROXIMITY OF THE WESTERN STATES UPPER RIDGE WILL
CONTINUE TO RESULT IN HOT TEMPERATURES WITH LOW RH VALUES ACROSS
MUCH OF INTERIOR CA.
...CRITICAL FIRE WEATHER AREA - SE MT/NE WY/WRN DAKOTAS...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH
...EASTERN PORTIONS OF MT/WY INTO THE WESTERN/CENTRAL DAKOTAS...
AN INCREASINGLY STRONG MID/UPPER JET /WITH 70-80 KT WINDS AT 500 MB/
WILL SPREAD EASTWARD OVER MT/WY INTO THE DAKOTAS TODAY...WITH STRONG
WEST-NORTHWESTERLY SURFACE WINDS DEVELOPING IN THE WAKE OF A MAINLY
DRY COLD FRONT. SUSTAINED WIND SPEEDS OF 25-30 MPH ARE LIKELY
THROUGH EARLY EVENING...WITH POTENTIAL FOR GUSTS TO 45-50 MPH.
PORTIONS OF NORTHEAST MT AND NORTHERN ND WILL BE SUBJECT TO MORE
CLOUD COVER AND CHANCES FOR SOME PRECIPITATION WITH HIGHER RH
VALUES...AND THUS CRITICAL FIRE CONDITIONS ARE LESS PROBABLE IN
THESE LOCATIONS. WHILE SOME AREAS HAVE RECEIVED RELATIVELY RECENT
PRECIPITATION AND FUELS ARE SEEMINGLY MARGINAL IN SOME LOCALES
WITHIN THE CRITICAL OUTLOOK AREA...THE MAGNITUDE OF THE EXPECTED
WIND SPEEDS AND DRYING NATURE OF THE POST-FRONTAL AIRMASS APPEARS TO
WARRANT A CRITICAL FIRE RISK.
...INTERIOR SOUTHERN CA/SIERRAS AND SOUTHERN PORTIONS OF NV/UT...
PERSISTENT MID LEVEL EASTERLY FLOW WILL ALLOW MONSOONAL MOISTURE TO
CONTINUE TO GRADUALLY DEVELOP WEST-NORTHWESTWARD ACROSS THE
SOUTHWEST STATES TODAY. ON THE FRINGE OF THE RICHER
MOISTURE...ISOLATED MAINLY DRY TSTMS WILL BE POSSIBLE THIS
AFTERNOON/EVENING AS FAR NORTH AND WEST AS THE CENTRAL/SOUTHERN CA
SIERRAS AND SOUTH CENTRAL NV/SOUTHERN UT. WHILE SOME NEW FIRE STARTS
ARE A POSSIBILITY...THE EXPECTED ISOLATED COVERAGE SUGGESTS A
CRITICAL AREA FOR SCATTERED DRY TSTMS IS NOT WARRANTED.
..GUYER.. 07/11/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 111100
DAY 2 FIRE WEATHER OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0600 AM CDT FRI JUL 11 2008
VALID 121200Z - 131200Z
CORRECTED TO ADD CRITICAL AREA HEADER TO DISCUSSION
...CRITICAL FIRE WEATHER AREA FOR FAR ERN MT/DAKOTAS...
...SYNOPSIS...
STRONG UPPER TROUGH WILL CONTINUE TO DEEPEN OVER THE MIDWEST/GREAT
LAKES REGION ON SATURDAY...WITH ASSOCIATED SURFACE COLD FRONT
SPREADING EAST-SOUTHEAST ACROSS THE GREAT LAKES REGION/OHIO VALLEY
AND SOUTHERN PLAINS. OTHERWISE...UPPER RIDGING WILL REMAIN PREVALENT
ACROSS THE SOUTHERN CONUS. OWING TO MODEST HEIGHT FALLS AND SOMEWHAT
COOLER THERMAL PROFILES ALOFT...SLIGHTLY COOLER AFTERNOON
TEMPERATURES ARE EXPECTED ACROSS INTERIOR CA AS COMPARED TO THE PAST
SEVERAL DAYS.
...CRITICAL FIRE WEATHER AREA - FAR ERN MT/DAKOTAS...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH
...FAR EASTERN MT/DAKOTAS...
IN THE WAKE OF THE COLD FRONT ADVANCING TOWARD THE GREAT LAKES
REGION...STRONG DEEP LAYER WEST-NORTHWESTERLY WIND FIELDS WILL
REMAIN ACROSS THE NORTHERN PLAINS IN THE POST-FRONTAL ENVIRONMENT
BENEATH THE WESTERN PERIPHERY OF THE UPPER TROUGH. WHILE WIND SPEEDS
SHOULD NOT BE QUITE AS STRONG AS FRIDAY...SUSTAINED WINDS OF 20-30
MPH WITH 40+ MPH GUSTS ARE LIKELY UNTIL AROUND SUNSET. SOME
UNCERTAINTY EXISTS REGARDING THE EXTENT OF PRECIPITATION OVER THE
PRIOR 24-48 HOURS AND THE NATURE OF THE FUELS ACROSS THE
REGION...BUT STRONG/GUSTY WINDS AND A SECOND DAY OF POST-FRONTAL
DRYING APPEARS TO WARRANT A CRITICAL FIRE RISK FOR SATURDAY FROM FAR
EASTERN MT INTO THE DAKOTAS.
...INTERIOR SOUTHERN CA/CA SIERRAS AND SOUTHERN NV/SOUTHERN UT...
SIMILAR TO FRIDAY...ANOTHER BOUT OF ISOLATED MAINLY DRY TSTMS ARE
EXPECTED ACROSS PORTIONS OF INTERIOR SOUTHERN CA/CA SIERRAS AND
SOUTHERN NV/SOUTHERN UT. WHILE NEW FIRE STARTS ARE
POSSIBLE...CURRENT THINKING IS THAT THE EXPECTED ISOLATED TSTM
COVERAGE AND/OR SUFFICIENTLY HIGH PRECIPITABLE WATER VALUES WILL
PRECLUDE AN ORGANIZED DRY TSTM OUTLOOK.
..GUYER.. 07/11/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...