Extreme fire danger Clallam & Jefferson Counties
Published 6:04 pm Wednesday, March 19, 2014
An extreme fire danger alert has been issued for Clallam and Jefferson Counties during the labor day week-end by the Clallam County Sheriff’s Dept. Everyone is advised to use extreme caution with fires throughout both counties during this holiday week-end.
http://forecast.weather.gov/hazards/sew
URGENT – FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
258 PM PDT SAT SEP 3 2011
.A THERMAL PRESSURE TROUGH WAS LOCATED ALONG THE COAST THIS
AFTERNOON AND WILL REMAIN IN PLACE UNTIL SUNDAY MORNING. THE
TROUGH AXIS WILL MOVE EAST ACROSS THE OLYMPIC PENINSULA DURING THE
DAY ON SUNDAY AND THEN CROSS THE CASCADES ON SUNDAY AFTERNOON. A
CRITICALLY DRY AND UNSTABLE AIR MASS WILL BE PRESENT NEAR THE
TROUGH AXIS. IN ADDITION…LOCATIONS EAST OF THE TROUGH AXIS WILL
BE PRONE TO LOCALLY BREEZY EAST WINDS…PARTICULARLY NEAR THE
CASCADE FOOTHILLS. IN COMBINATION WITH DRY FUELS…THESE WEATHER
CONDITIONS WILL SUPPORT THE POTENTIAL FOR LARGE FIRE GROWTH AND
ERRATIC FIRE BEHAVIOR.
WAZ657-659-041600-
/O.EXT.KSEW.FW.W.0001.110903T2158Z-110905T0100Z/
WEST SLOPES OF THE CENTRAL CASCADES-CENTRAL CASCADES-
258 PM PDT SAT SEP 3 2011
…RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM PDT SUNDAY FOR
WIND…LOW HUMIDITY AND AN UNSTABLE AIR MASS FOR FIRE WEATHER
ZONES 657 AND 659…
THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM PDT SUNDAY.
* AFFECTED AREA…MOUNT BAKER-SNOQUALMIE NATIONAL FOREST SOUTH
ZONE…MOUNT RAINIER NATIONAL PARK…GIFFORD-PINCHOT NATIONAL
FOREST…WASHINGTON DNR SOUTH PUGET PROTECTION LANDS.
* WINDS…EAST 5 TO 10 MPH. SUSTAINED WINDS LOCALLY IN EXCESS OF
10 MPH WITH GUSTS TO 25 MPH NEAR THE CASCADE FOOTHILLS.
* TIMING…STRONGEST WINDS WILL TAKE PLACE TONIGHT. THE DRIEST AND
MOST UNSTABLE ATMOSPHERE WILL TAKE PLACE ON SUNDAY MORNING.
* RELATIVE HUMIDITY…FALLING TO 25 PERCENT OR LESS ABOVE
NIGHTTIME INVERSIONS TONIGHT. FOOTHILL LOCATIONS WHICH MAINTAIN
EAST WIND TONIGHT WILL SEE RH OF 25 TO 35 PERCENT. MINIMUM RH
ON SUNDAY OF 15 TO 25 PERCENT.
* HAINES…MID-LEVEL AND HIGH-LEVEL HAINES 5 CONDITIONS.
* IMPACTS…WEATHER CONDITIONS WILL SUPPORT RAPID GROWTH AND
ERRATIC FIRE BEHAVIOR ON ANY FIRE STARTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW…OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS…LOW RELATIVE HUMIDITY…AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.
