A Wind Advisory is in effect for the Coachella Valley and San Gorgonio Pass
High pressure building to the north in the Great Basin is causing gusty northeasterly winds this morning, prompting the National Weather Service in San Diego to issue a Wind Advisory until 6 PM Tuesday.
A Red Flag Warning is also in effect for areas to the west, including the San Gorgonio Pass, to indicate fire danger with the gusty and dry offshore winds. Details are listed below.
WIND ADVISORY
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
COACHELLA VALLEY-
317 AM PST TUE NOV 5 2013
…WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING…
A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING.
* WINDS…AREAS OF NORTHEAST WINDS INCREASING TO 20 TO 30 MPH
WITH GUSTS TO 55 MPH. ISOLATED GUSTS TO 65 MPH…MAINLY NEAR
THE COASTAL FOOTHILLS OF THE SANTA ANA MOUNTAINS.
* LOCATION…STRONGEST WINDS NEAR THE COASTAL FOOTHILLS…BELOW
PASSES AND CANYONS…AND IN THE NORTHEAST COACHELLA VALLEY.
* TIMING…WINDS INCREASING EARLY THIS MORNING WITH STRONGEST AND
MOST WIDESPREAD WINDS FROM AFTER SUNRISE THROUGH EARLY
AFTERNOON.
* VISIBILITY…IN THE NORTHEAST COACHELLA VALLEY…LOCALLY
REDUCED IN BLOWING SAND AND BLOWING DUST.
* IMPACTS…THE WINDS WILL MAKE DRIVING DIFFICULT…ESPECIALLY
FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN
TREE LIMBS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT…ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.
RED FLAG WARNING
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-
325 AM PST TUE NOV 5 2013
…RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING
FOR STRONG GUSTY WINDS AND LOW HUMIDITIES…
A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING.
* WINDS…AREAS OF NORTH TO NORTHEAST WINDS 20 TO 30 MPH WITH
GUSTS TO 50 MPH. ISOLATED GUSTS TO 60 MPH…MAINLY NEAR THE
COASTAL FOOTHILLS OF THE SANTA ANA MOUNTAINS.
* RELATIVE HUMIDITY…FALLING TO AROUND 20 PERCENT AFTER
SUNRISE…10 TO 15 PERCENT BY LATE MORNING…AND 8 TO 12 PERCENT
FOR THIS AFTERNOON AND EARLY EVENING. POOR RECOVERY FOR TONIGHT
WITH WEAKER WINDS.
* TIMING…THE MOST CRITICAL FIRE WEATHER CONDITIONS FROM AFTER
SUNRISE THROUGH THIS AFTERNOON.
* OUTLOOK…CONTINUED VERY DRY FOR WEDNESDAY AND THURSDAY…BUT
WITH WEAKENING GUSTY WINDS.
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
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.