Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 310738
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0238 AM CDT THU JUL 31 2008
VALID 311200Z - 011200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
EXPANSIVE UPPER RIDGE OVER THE SWRN U.S. WILL REMAIN IN PLACE WITH
UPPER DISTURBANCES TRAVERSING EWD ACROSS THE UPPER MIDWEST AND PARTS
OF NEW ENGLAND. NEUTRAL TO WEAK UPPER LEVEL RIDGING WILL OCCUR OVER
PARTS OF THE NRN INTERMOUNTAIN WEST AHEAD OF A MORE SUBSTANTIAL
DISTURBANCE MOVING ONSHORE THE BC/WASHINGTON COAST. DESPITE STRONG
UPPER FLOW REMAINING OVER PARTS OF THE NRN ROCKIES/INTERMOUNTAIN
WEST AND MIN RH REACHING CRITICAL LEVELS DURING THE AFTERNOON
HOURS...RELATIVELY WEAK LOW LEVEL WINDS WILL PRECLUDE THE
DELINEATION OF A CRITICAL AREA.
..SMITH.. 07/31/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 310922
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0422 AM CDT THU JUL 31 2008
VALID 011200Z - 021200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
ON THE PERIPHERY OF AN UPPER LEVEL RIDGE CENTERED OVER THE SRN
ROCKIES...A LEAD UPPER SHORTWAVE TROUGH WILL MOVE NEWD OVER PARTS OF
SRN BC/ALBERTA. THE SRN PORTION OF THE ASSOCIATED MID-LEVEL SPEED
MAX WILL OVERSPREAD PARTS OF THE NRN ROCKIES/NRN HIGH PLAINS. AT
THE SURFACE...A COLD FRONT WILL MOVE EWD OVER PARTS OF THE NRN
INTERMOUNTAIN WEST AND HIGH PLAINS OF MONTANA DURING THE PERIOD WITH
AN ASSOCIATED WIND SHIFT. GUSTY WINDS AND LOW MIN RH APPEAR LIKELY
ACROSS THE AFOREMENTIONED REGION. FURTHER SOUTH AND EAST...A
LEE-SIDE SURFACE PRESSURE TROUGH IS FORECAST TO DEVELOP AS FAR S AS
THE CENTRAL HIGH PLAINS...LEADING TO AN INCREASING PRESSURE GRADIENT
AND STRENGTHENING SLY WINDS. HOT TEMPS/LOW RH AND GUSTY WINDS MAY
INCREASE FIRE WEATHER CONCERNS OVER PARTS OF THE CENTRAL HIGH
PLAINS.
...PARTS OF NRN MT...
POTENTIAL EXISTS FOR STRONG SUSTAINED WLY WINDS /AROUND 20 MPH/ AND
LOW MIN RH /UPPER TEENS/ AFTER COLD FRONTAL PASSAGE. DETERMINISTIC
PLAN VIEW MODEL GUIDANCE INDICATES SUFFICIENT LOW TO MID-LEVEL FLOW
/25-35 KTS AT 700MB/ MAY OCCUR OVER THE AREA. WITH WARM TEMPS AND
STEEP LAPSE RATES...AMPLE BOUNDARY LAYER MIXING IS PROBABLE WHICH
WOULD LEAD TO AT LEAST CRITICALLY LOW RH FOR SEVERAL HOURS. DESPITE
CONFIDENCE WITH ABOVE MENTIONED SCENARIO...UNCERTAINTY ASSOCIATED
WITH DIFFERING MODEL OUTPUT WITHHOLDS A CRITICAL ISSUANCE AT THIS
TIME WITH THE POSSIBILITY OF A CRITICAL DESIGNATION IN THE NEXT
UPDATE.
...PARTS OF THE NRN INTERMOUNTAIN WEST...
WARM TEMPERATURES AND LOW RH SEEM LIKELY ACROSS A LARGE PART OF THE
AREA. WITH PRIMARY IMPULSE PASSING TO THE N OF THE REGION...FLOW
FIELDS WILL PROBABLY BE WEAKER WITH SWD EXTENT. STEEP LAPSE RATES
MAY PROMOTE GUSTY WINDS BUT MODEST SUSTAINED SURFACE WIND SPEEDS
ACCORDING TO THE LATEST MODEL GUIDANCE MAY LIMIT AN OTHERWISE
GREATER FIRE WEATHER THREAT.
..SMITH.. 07/31/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...