Fire Weather Outlook Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
000
FNUS22 KWNS 281912
FWDDY2

DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0212 PM CDT TUE JUL 28 2015

VALID 291200Z - 301200Z

...NORTHERN CALIFORNIA AND SOUTHWESTERN OREGON...
GUIDANCE STILL INDICATES A STS-BNO GRADIENT OVER 10 MB FROM ABOUT
12Z-15Z WED MORNING WITH THE RESULTING GUSTY WINDS AND POOR
OVERNIGHT RECOVERY STILL EXPECTED TO RESULT IN ELEVATED TO LOCALLY
CRITICAL FIRE WEATHER CONDITIONS. NO CHANGES WERE NEEDED TO THE
PREVIOUS OUTLOOK AREA.

..MOSIER.. 07/28/2015

.PREV DISCUSSION... /ISSUED 0215 AM CDT TUE JUL 28 2015/

...SYNOPSIS...
THE STRONG MID-LEVEL DISTURBANCE OVER THE NORTHERN ROCKIES ON D1/TUE
WILL CONTINUE MOVING NORTHWARD TOWARD HUDSON BAY ON D2/WED.  IN ITS
WAKE...A BELT OF ELEVATED WESTERLY FLOW WILL EXIST FROM THE NORTHERN
ROCKIES TO THE NORTHEAST.  AN UPPER RIDGE WILL PERSIST ACROSS THE
SOUTHERN PLAINS...WHILE UPPER RIDGING WILL DEVELOP WESTWARD INTO
NEVADA AND NORTHERN CALIFORNIA DURING THE DAY. A WEAK DISTURBANCE
WILL ALSO MEANDER ALONG THE GULF STREAM DURING THE PERIOD.

...NORTHERN CALIFORNIA AND SOUTHWESTERN OREGON...
A SIMILAR FIRE WEATHER REGIME WILL PERSIST ACROSS THIS REGION AS
THAT NECESSITATING AN ELEVATED DELINEATION ON D1/TUE.  A 1028 MB
SURFACE HIGH WILL PERSIST OVER PARTS OF THE NORTHERN AND CENTRAL
GREAT BASIN...SETTING UP A MODERATE SLP GRADIENT OVER THE AREA AND
RESULTING IN GUSTY OFFSHORE WINDS ESPECIALLY IN HIGHER TERRAIN
DURING THE EARLY MORNING HOURS.  OVERNIGHT RECOVERIES ARE EXPECTED
TO REMAIN POOR...WITH PRE-EXISTING DRY CONDITIONS RESULTING IN 20-30
PERCENT RH VALUES DROPPING TO 5-10 PERCENT DURING THE DAY.  FUELS
REMAIN DRY IN THIS REGION...WITH VERY LITTLE CHANCE FOR
PRECIPITATION AS AN UPPER RIDGE DEVELOPS ACROSS THE REGION.  GIVEN
THE AFOREMENTIONED ATMOSPHERIC CONDITIONS...AN ELEVATED FIRE WEATHER
DELINEATION IS MADE FOR THIS FORECAST.

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



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.