Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 121652
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1152 AM CDT WED MAY 12 2010
VALID 121700Z - 131200Z
...CRITICAL FIRE WEATHER AREA FOR E-CNTRL/SERN NM...PORTIONS OF WRN
TX...
...E-CNTRL/SERN NM...PORTIONS OF WRN TX...
PREVIOUS METEOROLOGICAL FORECAST REMAINS VALID...BUT HAVE ADJUSTED
OVERALL OUTLOOK AREA FARTHER S. REMOVED A SMALL PORTION OF NERN
NM...SWRN TX PANHANDLE GIVEN PRESENCE OF WEAKER SWLY FLOW INVOF
QUASI-STATIONARY FRONT ARCING FROM NEAR RTN-AMA-GAG AS OF 16Z. ADDED
PORTIONS OF SWRN TX IN THE MRF AREA...WHERE RH OF 10 PERCENT AND
SUSTAINED WINDS AROUND 20 MPH HAD DEVELOPED AND WILL PERSIST THROUGH
THE AFTERNOON.
..GRAMS.. 05/12/2010
.PREV DISCUSSION... /ISSUED 0144 AM CDT WED MAY 12 2010/
...SYNOPSIS...
AN UPPER TROUGH OBSERVED ON WV IMAGERY THIS MORNING AT 06Z NEAR THE
UT/WY/CO BORDER WILL MOVE NEWD INTO THE NRN HIGH PLAINS. A SURFACE
LOW WILL REDEVELOP OVER THE TX PANHANDLE BY AFTERNOON...WHILE A
SECONDARY LOW MOVES NEWD INTO THE MID MS VALLEY.
FARTHER E...UPPER RIDGING WILL AMPLIFY FROM THE GULF STATES NWD INTO
THE GREAT LAKES REGION...WHILE AN UPPER LOW IN NEW BRUNSWICK EXITS
THE COAST...RESULTING IN THE SWD DEVELOPMENT OF A SURFACE HIGH OVER
THE ERN CANADIAN PROVINCES AND THE NORTHEASTERN STATES.
...ERN NM/WRN TX...
CRITICALLY LOW RELATIVE HUMIDITIES ARE STILL BEING OBSERVED THIS
MORNING AS OF 06Z AS MILD TEMPERATURES AND A DRY AIR MASS LINGER.
SOME RECOVERY WILL OCCUR...THOUGH PORTIONS OF SERN NM/SWRN TX WILL
BEGIN THE FORECAST PERIOD WITH RELATIVE HUMIDITIES IN THE 20S AND
LOWER 30S. TEMPERATURES WILL WARM INTO THE UPPER 70S TO LOWER 90S
ACROSS THE CRITICAL AREA...RESULTING IN SINGLE DIGIT AND LOWER TEENS
RELATIVE HUMIDITIES THIS AFTERNOON. ALTHOUGH THE STRONGEST LOW LEVEL
WINDS WILL HAVE MOVED NEWD OF THE AREA...WINDS WILL BEGIN TO
INCREASE BY EARLY AFTERNOON WITH SUSTAINED SURFACE SPEEDS NEAR 20 TO
25 MPH. THE TAIL END OF STRONGER MID LEVEL FLOW WILL REMAIN.
HOWEVER...MIXING HEIGHTS WILL GENERALLY RANGE FROM 7-10
KFT...LIMITING GUSTS TO PERHAPS 35 MPH. GIVEN ANTECEDENT DRYNESS AND
SEVERAL DAYS OF CRITICAL CONDITIONS...A HEIGHTENED THREAT WILL
EXIST. RELATIVE HUMIDITY RECOVERY WILL ONCE AGAIN BE POOR OVERNIGHT.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 121802
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0102 PM CDT WED MAY 12 2010
VALID 131200Z - 141200Z
...NO CRITICAL AREAS...
NO CHANGES NEEDED.
..GRAMS.. 05/12/2010
.PREV DISCUSSION... /ISSUED 0254 AM CDT WED MAY 12 2010/
...SYNOPSIS...
UPPER RIDGING IN THE EAST WILL GRADUALLY BEGIN TO DEAMPLIFY IN
ADVANCE OF AN UPPER LOW THAT WILL MOVE EWD INTO WRN QUEBEC. SURFACE
HIGH PRESSURE OVER THE NORTHEAST WILL BEGIN TO WEAKEN AS
WELL...THOUGH A COOL AND DRY CANADIAN AIR MASS WILL ALLOW RELATIVE
HUMIDITIES TO FALL INTO THE UPPER 20S TO MID 30S ACROSS PORTIONS OF
VT/NH/ME. LIGHT WINDS AND GREEN UP CONDITIONS WILL MITIGATE THE
THREAT.
FARTHER W...AN UPPER TROUGH WILL LINGER FROM THE GREAT BASIN SWWD
INTO SRN CA. THE STRONGEST LOW/MID LEVEL WINDS WILL HAVE SHIFTED
AWAY FROM THE SOUTHWEST...AND DESPITE WIDESPREAD RELATIVE HUMIDITIES
IN THE SINGLE DIGITS AND TEENS...LIGHT WINDS ACROSS THE AREA WILL
TEMPER THE FIRE THREAT.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...