Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 070753
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0153 AM CST WED JAN 07 2009
VALID 071200Z - 081200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
FULL-LATITUDE UPPER-LEVEL TROUGH ACROSS THE CNTRL CONUS WILL
TRANSLATE EWD INTO THE EAST THROUGH EARLY THU. UPPER RIDGE NEAR THE
WEST COAST WILL SHIFT INLAND AS A SHORT WAVE TROUGH APPROACHES THE
PACIFIC NW.
...SWRN TO CNTRL TX...
AREAS OF SHORT-DURATION/BORDERLINE CRITICAL CONDITIONS APPEAR
PROBABLE THIS AFTERNOON AS SUSTAINED WLY WINDS APPROACH 20 MPH AND
RH VALUES DROP TO BETWEEN 15 TO 20 PERCENT. AS A MID-LEVEL TROUGH
SHIFTS FARTHER E OF THE REGION...A SUBSIDENCE INVERSION WILL
STRENGTHEN WHILE STRONGER NWLYS SLOWLY ABATE. THIS SHOULD DETER
DEEPER MIXING...AND ALONG WITH A WEAKENING KINEMATIC PROFILE...LIMIT
POTENTIAL FOR STRONG SURFACE WINDS. THE ERN EXTENT OF THE THREAT
OVER THE HILL COUNTRY SHOULD ALSO BE TEMPERED BY RECENT RAINFALL.
..GRAMS.. 01/07/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 070842
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0242 AM CST WED JAN 07 2009
VALID 081200Z - 091200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
LARGE-SCALE UPPER-LEVEL TROUGH OVER THE ERN CONUS WILL SHIFT
OFFSHORE. UPSTREAM SHORT WAVE TROUGH NEAR THE PACIFIC NW COAST
SHOULD EXTEND FROM THE NRN PLAINS TO GREAT BASIN BY EARLY FRI.
...INTERIOR AND ERN PORTIONS OF NRN/CNTRL FL...
SUBSTANTIAL DRYING /PW VALUES AROUND A QUARTER-INCH/ WILL ENVELOP
MUCH OF THE PENINSULA DURING THE LATTER HALF OF THE DAY 1 PERIOD IN
THE WAKE OF A COLD FRONT PASSAGE. THIS SHOULD BE SHORT-LIVED WITH
AIR MASS MODIFICATION EXPECTED TO BE UNDERWAY BY THE BEGINNING OF
DAY 2 GIVEN WLY TRAJECTORIES ACROSS THE NRN GULF OF MEXICO. MODEL
FORECASTS VARY MARKEDLY WITH THE DEGREE OF BOUNDARY LAYER MOISTENING
BY THU AFTERNOON. CONSENSUS SUGGESTS RH VALUES SHOULD DIP BELOW
CRITICAL THRESHOLDS /FROM 30 TO 35 PERCENT/ NEAR NOON JUXTAPOSED
WITH SUSTAINED WINDS AROUND 15 MPH. HOWEVER...GIVEN HIGH UNCERTAINTY
AND LIKELY RAINFALL EARLY DAY 1 POTENTIALLY MITIGATING THE OVERALL
THREAT...WILL REFRAIN FROM A CRITICAL AREA ISSUANCE ATTM.
..GRAMS.. 01/07/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...