Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 160633
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0133 AM CDT FRI MAY 16 2008
VALID 161200Z - 171200Z
...CRITICAL FIRE WEATHER AREA FOR ERN MT...ND...NERN WY...PORTIONS
OF SD...
...SYNOPSIS...
ALONG THE EAST COAST...LONG WAVE LOW PRESSURE WILL DOMINATE...WITH
COOLER TEMPERATURES BEHIND THE COLD FRONT AND WIDESPREAD
PRECIPITATION ALONG AND AHEAD OF THE FRONT...KEEPING HIGHER RELATIVE
HUMIDITIES ACROSS THESE AREAS.
IN THE WEST...AN UPPER LOW WILL REMAIN NEARLY STATIONARY OVER NRN
MEXICO...JUST SOUTH OF THE AZ/NM BORDERS. STRONG HIGH PRESSURE WILL
BUILD ALONG THE WEST COAST...WITH ABOVE NORMAL TEMPERATURES MAINLY
NEAR THE COASTAL STATES.
BETWEEN THE TWO SYSTEMS ACROSS THE NRN PLAINS...AN INCREASE IN THE
PRESSURE GRADIENT WILL CREATE VERY WINDY CONDITIONS.
...CRITICAL FIRE WEATHER AREA - ERN MT...ND...NERN WY...PORTIONS OF
SD...
PRIMARY CONDITIONS: VERY STRONG WINDS...DROUGHT...LOW RH
VERY WINDY CONDITIONS WILL BE LIKELY IN THE AFTERNOON AS THE
PRESSURE GRADIENT INCREASES BETWEEN DOMINANT LOW PRESSURE IN THE
EAST...AND STRENGTHENING HIGH PRESSURE IN THE WEST. WINDS NEAR 20 TO
30 MPH WITH GUSTS UP TO 40 TO 50 MPH IN THE AFTERNOON CAN BE
EXPECTED. ATTM INDICATIONS ARE THAT DESPITE TEMPERATURES WARMING
INTO THE 70S AND 80S...RELATIVE HUMIDITIES WILL BE MARGINAL. GIVEN
VERY DRY AIRMASS SHOWN ON SATELLITE IMAGERY IN WATER VAPOR AND GOES
PRECIPITABLE WATER...IT IS ENTIRELY POSSIBLE THAT RELATIVE
HUMIDITIES WILL BE LOWER THAN MODEL PROGS. GIVEN ANTECEDENT DRY
CONDITIONS AND STRONG WINDS...AN ENHANCED FIRE DANGER WILL EXIST.
...PORTIONS OF THE SWRN STATES...
HOT TEMPERATURES AND RELATIVE HUMIDITIES IN THE TEENS AND SINGLE
DIGITS WILL PERSIST OVER MUCH OF SRN NV/CA AND SWRN AZ. GUSTY WINDS
MAY BE POSSIBLE ONCE AGAIN...MAINLY THROUGH THE LOWER CO RIVER
VALLEY.
..HURLBUT.. 05/16/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 160705
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0205 AM CDT FRI MAY 16 2008
VALID 171200Z - 181200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE NRN PLAINS...
...SYNOPSIS...
AN UPPER LONG WAVE TROUGH WILL DOMINATE IN THE EAST...WHILE A COLD
FRONT WILL SLOWLY EXIT THE SRN FL PENINSULA. DRIER CONDITIONS WILL
FOLLOW THIS ACROSS MUCH OF THE SERN STATES...WITH RELATIVE
HUMIDITIES NEARING CRITICAL THRESHOLDS...ALTHOUGH WINDS WILL
GENERALLY BE MARGINAL.
IN THE WEST...HIGH PRESSURE AND ABOVE NORMAL TEMPERATURES WILL BE
DOMINANT WITH THE UPPER RIDGE HOLDING STRONG.
BETWEEN THE TWO SYSTEMS IN THE NRN PLAINS...VERY WINDY CONDITIONS
WILL BE LIKELY AS THE PRESSURE GRADIENT INCREASES...WHILE WARMING
TEMPERATURES WILL ALLOW RELATIVE HUMIDITIES TO REACH NEAR CRITICAL
VALUES IN THE AFTERNOON.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF THE NRN PLAINS...
PRIMARY CONDITIONS: VERY STRONG WINDS...LOW RH
SURFACE LOW PRESSURE ACROSS THE WRN GREAT LAKES ON FRIDAY WILL SHIFT
EWD THROUGH SUNDAY MORNING...WITH AN INCREASING PRESSURE GRADIENT
BETWEEN THE EXITING LOW AND APPROACHING HIGH PRESSURE FROM THE WEST.
ADDITIONALLY...IN UPPER LEVELS THE JET AXIS BETWEEN THE TWO SYSTEMS
WILL REMAIN STRONG...WHICH WILL ALLOW FOR STRONGER WINDS TO MIX TO
THE SURFACE IN AFTERNOON HEATING. CURRENT INDICATIONS ARE THAT
SUSTAINED WIND SPEEDS OF 20 TO 30 MPH WITH GUSTS ONCE AGAIN UP TO 40
MPH WILL BE POSSIBLE ACROSS MUCH OF THE NRN PLAINS. TEMPERATURES IN
THE UPPER 60S TO UPPER 70S WILL ALLOW RELATIVE HUMIDITIES TO DROP
INTO THE MID 20S TO LOWER 30S. ALTHOUGH RELATIVE HUMIDITIES WILL BE
MARGINAL...STRONG WINDS AND ANTECEDENT DRY CONDITIONS WILL ONCE
AGAIN LEAD TO CRITICAL FIRE WEATHER CONDITIONS.
...MUCH OF THE COASTAL PLAINS AND THE NRN FL PENINSULA...
FOLLOWING A COLD FRONTAL PASSAGE...DRY CONDITIONS WILL BUILD IN
BEHIND. RELATIVE HUMIDITIES ARE FORECAST TO DROP INTO CRITICAL
THRESHOLDS ACROSS A WIDESPREAD AREA IN THE SOUTHEAST...ALTHOUGH IN
GENERAL WINDS WILL REMAIN LIGHTER. THE BEST JUXTAPOSITION OF
STRONGER WINDS WITH LOW RH APPEARS TO BE MORE LIKELY ACROSS INLAND
AREAS OF THE CAROLINAS AND VIRGINIA ON THE LEE OF THE APPALACHIANS.
..HURLBUT.. 05/16/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...