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Lawrenceville Weather

SPC Wildfire Outlook for June 30, 2016

Fire Outlook

Day 1 SPC Wild Fire Monitored Area Discussion

413 
FNUS21 KWNS 300832
FWDDY1

DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0331 AM CDT THU JUN 30 2016

VALID 301200Z - 011200Z

...SYNOPSIS...
MID-LEVEL RIDGING ACROSS THE WEST WILL CONTINUE TO WEAKEN...AS A
PAIR OF WEAK IMPULSES PROGRESS FARTHER INLAND. ONE WILL TRANSLATE
EASTWARD FROM BRITISH COLUMBIA TO ALBERTA...WHILE ANOTHER WILL
SLOWLY SETTLE SOUTHWARD OVER NORTHERN CALIFORNIA. MEANWHILE...BROAD
CYCLONIC FLOW ACROSS THE EASTERN CONUS WILL BE REINFORCED BY A SHARP
SHORTWAVE TROUGH ADVANCING FROM THE NORTHERN PLAINS TO THE GREAT
LAKES REGION.

...PORTIONS OF THE GREAT BASIN AND NORTHERN ROCKIES...
WITH WEAK FORCING FOR ASCENT DUE TO THE AFOREMENTIONED
IMPULSES...SUFFICIENT MOISTURE /ON THE NORTHWEST FRINGE OF DEEPER
MONSOONAL MOISTURE/ WILL SUPPORT THUNDERSTORM DEVELOPMENT ONCE AGAIN
THIS AFTERNOON. SIMILAR TO PREVIOUS DAYS...PW VALUES ON THE ORDER OF
0.5-0.8 INCHES AND DEEPLY MIXED SUB-CLOUD LAYERS WILL FAVOR POCKETS
OF THUNDERSTORMS WITH LIGHT PRECIPITATION CORES. THE COMBINATION OF
LIGHTNING STRIKES AND GUSTY OUTFLOW WINDS WILL ENCOURAGE NEW FIRE
STARTS AND ERRATIC BEHAVIOR.

...INTERIOR PACIFIC NORTHWEST...
IN RESPONSE TO THE BRITISH COLUMBIA IMPULSE...A MODEST INCREASE IN
WESTERLY MID-LEVEL FLOW WILL MATERIALIZE OVER THE REGION.
CONCURRENTLY...OFFSHORE SFC RIDGING AND A TROUGH IN THE LEE OF THE
CASCADES /AIDED BY CROSS-TERRAIN FLOW/ WILL ENHANCE THE SFC PRESSURE
GRADIENT SUCH THAT POCKETS OF BREEZY CONDITIONS DEVELOP IN THE
CASCADE GAPS AND WESTERN PARTS OF THE COLUMBIA BASIN. DOWNSLOPE
DRYING WILL SUPPORT RH VALUES DROPPING INTO THE TEENS AND 20S
THROUGH THE DAY...RESULTING IN ELEVATED FIRE-WEATHER CONCERNS.

..PICCA.. 06/30/2016

...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...

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