Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 290858
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CDT SUN JUN 29 2008
VALID 291200Z - 301200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AMPLIFIED UPPER-LEVEL RIDGE WILL PIVOT SLOWLY EWD BECOMING CENTERED
OVER THE ROCKIES AS A VIGOROUS TROUGH DIGS ACROSS THE UPPER/MID-MS
RIVER VALLEY AND GREAT LAKES. AN UPPER-LEVEL TROUGH OFF THE CA COAST
WILL REMAIN QUASI-STATIONARY...WITH A WEAK IMPULSE LIFTING NWD ALONG
THE NRN CA AND ORE COAST AND A MORE POTENT IMPULSE SHIFTING EWD
TOWARDS THE BASE OF THE TROUGH IN THE PACIFIC.
...CNTRL/ERN ORE TO NERN CA/NWRN NV...
LATE AFTERNOON/EVENING TSTMS ARE EXPECTED TO DEVELOP ONCE AGAIN OVER
HIGHER TERRAIN PRIMARILY THROUGH OROGRAPHIC LIFT AND DAYTIME
HEATING...BUT ALSO AIDED BY A WEAK UPPER-LEVEL IMPULSE SHIFTING NWD.
GREATEST CONCENTRATION OF TSTMS SHOULD BE FOUND PRIMARILY OVER THE
CASCADES WHERE MORE ROBUST LOW-LEVEL MOISTURE AND FORCED ASCENT
SHOULD LIE. FORECAST STORM MOVEMENT TO THE N/NW WILL LIMIT POTENTIAL
FOR SIGNIFICANT COVERAGE WITHIN A DEEPLY-MIXED ENVIRONMENT FARTHER
E. NEVERTHELESS...ISOLATED TO SCATTERED HIGH-BASED TSTMS SHOULD
DEVELOP FROM THE NRN SIERRAS INTO NWRN NV/ERN ORE WITH ATTENDANT
THREATS OF DRY LIGHTNING IGNITIONS AND GUSTY/ERRATIC OUTFLOW WINDS.
...CNTRL AND ERN AZ/UT...
A COLD FRONT REINFORCED BY CONVECTIVE OUTFLOWS SAT EVENING HAS
RESULTED IN LOW-LEVEL E/SELY ADVECTION OF SEASONABLY RICH MOISTURE
/MIDDLE 40S TO LOWER 60S SURFACE DEW POINTS/ ACROSS MUCH OF NM. ON
THE WRN FRINGE OF THIS SURGE...STRONG DIURNAL HEATING AND OROGRAPHIC
FORCING WILL RESULT IN HIGH-BASED TSTMS WITH DEEPLY-MIXED INVERTED-V
THERMODYNAMIC PROFILES. THE PROXIMITY OF A MID/UPPER-LEVEL RIDGE
AXIS WILL LIMIT STORM MOTION AND OVERALL DRY TSTM COVERAGE.
..GRAMS.. 06/29/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 290959
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0459 AM CDT SUN JUN 29 2008
VALID 301200Z - 011200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
HIGHLY AMPLIFIED UPPER-LEVEL PATTERN WILL PERSIST WITH A RIDGE
CENTERED OVER THE ROCKIES AND A TROUGH IN THE EAST. A SHORT WAVE
TROUGH OFF THE W COAST WILL SHIFT INLAND INTO THE PACIFIC
NW...BECOMING NEGATIVELY-TILTED AS IT IMPINGES UPON STOUT RIDGE.
...ERN ORE/SWRN ID/NRN NV...
ALTHOUGH MODEL GUIDANCE FORECASTS ARE CONSISTENT WITH AN UPPER-LEVEL
TROUGH MOVING INLAND FROM THE ERN PACIFIC...THEY DIFFER WITH THE
STRENGTH OF PRIMARY VORTICITY MAXIMUM AND DEGREE OF DOWNSTREAM
MID-LEVEL DESTABILIZATION. LATEST SATELLITE IMAGERY ALSO INDICATES A
SUBSTANTIAL LACK OF MID/UPPER-LEVEL CLOUD COVERAGE IN ASSOCIATION
WITH THE TROUGH...FURTHER QUESTIONING THE ADVECTION/DEVELOPMENT OF
MORE ROBUST HIGH-LEVEL MOISTURE INLAND. NEVERTHELESS...STRONG
DIURNAL HEATING AND HEIGHT FALLS ATTENDANT TO THE TROUGH SHOULD AID
IN AT LEAST ISOLATED TO PERHAPS SCATTERED HIGH-BASED TSTMS FORMING
OVER HIGHER TERRAIN. DEEPLY MIXED THERMODYNAMIC PROFILES WILL
SUPPORT POTENTIAL FOR DRY LIGHTNING IGNITIONS AND GUSTY/ERRATIC
WINDS.
...WRN PORTION OF THE MOGOLLON RIM IN CNTRL AZ TO CNTRL/ERN UT...
ON THE WRN EXTENT OF SEASONABLY RICH LOW-LEVEL MOISTURE...STRONG
DAYTIME HEATING AND OROGRAPHIC FORCING WILL RESULT IN HIGH-BASED
TSTMS WITH DEEPLY-MIXED INVERTED-V THERMODYNAMIC PROFILES. AS ON DAY
1...THE PROXIMITY OF A MID/UPPER-LEVEL RIDGE AXIS SHOULD LIMIT STORM
MOTION AND OVERALL DRY TSTM COVERAGE.
...CNTRL/SRN NV...
S/SWLY LOW-LEVEL FLOW WILL STRENGTHEN IN RESPONSE TO THE APPROACH OF
THE ERN PACIFIC SHORT WAVE TROUGH. ALTHOUGH WINDS WILL REMAIN
MODERATE THROUGHOUT THE BOUNDARY LAYER...SUSTAINED SURFACE WINDS MAY
BRIEFLY REACH 20 MPH WITH RH VALUES AROUND 10 PERCENT AT PEAK
HEATING.
..GRAMS.. 06/29/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...