HAZARDOUS WEATHER OUTLOOK
Issue Date: 759 AM PST MON DEC 07 2009
Expiration: 300 AM PST TUE DEC 08 2009 /330 AM PST MON DEC 7 2009/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST
ARIZONA...EXTREME WEST-CENTRAL ARIZONA...SOUTHWEST ARIZONA...
WEST-CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST
CALIFORNIA.
.DAY ONE...TODAY AND TONIGHT
A STRONG WET PACIFIC STORM SYSTEM IS MOVING INTO THE REGION WITH
SHOWERS TODAY AND EARLY TONIGHT. THE HEAVIEST RAIN IS EXPECTED THIS
AFTERNOON INTO THIS EVENING. RAINFALL AMOUNTS ARE EXPECTED TO RANGE
FROM ONE TENTH TO ONE QUARTER OF AN INCH BETWEEN YUMA AND IMPERIAL TO
AROUND THREE QUARTERS OF AN INCH IN JOSHUA TREE NATIONAL PARK AND
NORTHEAST LA PAZ COUNTY. SOME LOCAL FLOODING IS POSSIBLE.
STRONG GUSTY WINDS ARE EXPECTED BY LATE THIS AFTERNOON AND TONIGHT.
A WIND ADVISORY MAY BE NEEDED IN WHICH CASE THE WINDS COULD BECOME
STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
THURSDAY...
ANOTHER PACIFIC STORM WILL MOVE INTO THE AREA THURSDAY WITH A CHANCE
OF SHOWERS.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$
WIND ADVISORY
Issue Date: 758 AM PST MON DEC 07 2009
Expiration: 800 PM PST MON DEC 07 2009 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PST
THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PST
THIS EVENING. THE HIGH WIND WARNING HAS BEEN CANCELLED.
A STRONG LOW PRESSURE SYSTEM WILL CAUSE LOCAL GUSTY WINDS IN
EXCESS OF 35 MPH AT TIMES...MAINLY THIS AFTERNOON AND EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.
&&
$$
HIGH WIND WARNING
Issue Date: 757 AM PST MON DEC 07 2009
Expiration: 800 PM PST MON DEC 07 2009 ...HIGH WIND WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PST THIS EVENING...
THE HIGH WIND WARNING IS NOW IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PST THIS EVENING.
FOR THE SAN DIEGO COAST AND VALLEYS...LIGHT WINDS THIS MORNING
ARE EXPECTED TO INCREASE RAPIDLY BY EARLY AFTERNOON AS A STRONG
COLD FRONT APPROACHES THE COAST. LOCAL WIND GUSTS TO 60 MPH ARE
POSSIBLE IN A FEW LOCATIONS. THE STRONGEST WINDS WILL BE ALONG THE
IMMEDIATE COAST AND IN THE FOOTHILLS. WINDS WILL GRADUALLY DIMINISH
MONDAY EVENING. THERE IS A POTENTIAL FOR DAMAGE TO TREES... POWER
LINES...COMMUNICATIONS TOWERS AND OTHER EXPOSED OBJECTS.
FOR THE DESERTS...LOCAL WIND GUSTS TO 60 MPH ARE POSSIBLE ALONG
THE DESERT SLOPES OF THE MOUNTAINS THIS AFTERNOON AND EVENING.
WINDS WILL GRADUALLY DIMINISH THROUGH TUESDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.
$$
SCV
FLASH FLOOD WATCH
Issue Date: 631 AM PST MON DEC 07 2009
Expiration: 800 PM PST MON DEC 07 2009 ...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE IN AND BELOW RECENTLY
BURNED AREAS OF EXTREME SOUTHWEST CALIFORNIA INCLUDING THE
POOMACHA BURN OF 2007 FROM NOON TODAY UNTIL 8 PM TONIGHT....
.A STRONG STORM SYSTEM OVER THE PACIFIC NORTHWEST WILL DIVE SOUTH
OVER THE REGION TODAY. AHEAD OF THE STORM...A RIBBON OF SUB-
TROPICAL MOISTURE FROM THE CENTRAL PACIFIC WILL LIKELY PRODUCE
WIDESPREAD MODERATE RAINFALL WITH LOCALLY HEAVY RAIN POSSIBLE ON
THE COASTAL SLOPES DURING THE DAY. STRONG UPSLOPE FLOW WILL
COMBINE WITH A COLD FRONT EARLY THIS AFTERNOON AND COULD RESULT IN
INCREASED RAINFALL RATES OF ONE-HALF TO LOCALLY ONE INCH PER HOUR
FOR A TIME. THESE RATES ARE CAPABLE OF PRODUCING DEBRIS FLOWS IN
AND BELOW BURN AREAS.
CAZ048-055>058-080030-
/O.CON.KSGX.FF.A.0006.091207T2000Z-091208T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-SAN DIEGO COUNTY MOUNTAINS-
630 AM PST MON DEC 7 2009
...FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON PST TODAY
THROUGH THIS EVENING...
THE FLASH FLOOD WATCH CONTINUES FOR
* A PORTION OF SOUTHWEST CALIFORNIA...INCLUDING THE FOLLOWING
AREAS...RIVERSIDE COUNTY MOUNTAINS...SAN BERNARDINO COUNTY
MOUNTAINS...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE
INLAND EMPIRE...SAN DIEGO COUNTY MOUNTAINS AND SANTA ANA
MOUNTAINS AND FOOTHILLS.
* FROM NOON PST TODAY THROUGH THIS EVENING
* ONE-HALF TO ONE INCH PER HOUR RAINFALL RATES POSSIBLE AHEAD OF A
STRONG COLD FRONT EXPECTED BY THIS AFTERNOON. THESE RAINFALL
INTENSITIES MEET OR EXCEED USGS DEBRIS FLOW THRESHOLDS FOR
RECENT BURNS AND THE POOMACHA BURN OF 2007.
* AREAS BELOW THE SHEEP...OAK GLEN...AND PENDLETON FIRES IN SAN
BERNARDINO COUNTY...THE COTTONWOOD FIRE IN RIVERSIDE COUNTY...
AS WELL AS THE OLDER POOMACHA BURN AREA IN SAN DIEGO COUNTY
WILL BE MOST VULNERABLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING AND DEBRIS FLOWS. FLASH FLOODING AND LARGE
DEBRIS FLOWS ARE VERY DANGEROUS AND LIFE THREATENING.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
&&
$$
WINTER STORM WARNING
Issue Date: 1227 PM PST SUN DEC 06 2009
Expiration: 300 AM PST TUE DEC 08 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM MONDAY TO 3 AM PST
TUESDAY...
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WARNING FOR THE SAN BERNARDINO COUNTY AND RIVERSIDE COUNTY
MOUNTAINS...WHICH IS IN EFFECT FROM 6 AM MONDAY TO 3 AM PST
TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.
A STRONG WINTER STORM ACCOMPANIED BY A COLD FRONT WILL GENERATE
SNOWFALL AMOUNTS BETWEEN 1 AND 2 FEET ABOVE 6000 FEET MONDAY AND
MONDAY NIGHT IN SAN BERNARDINO COUNTY...WHILE 6 TO 12 INCHES ARE
POSSIBLE BETWEEN 5000 AND 6000 FEET. ACCUMULATIONS OF AROUND A FOOT
ARE POSSIBLE IN THE RIVERSIDE COUNTY MOUNTAINS ABOVE 6000 FEET.
STRONG SOUTHWEST WINDS...WITH GUSTS OF 60 MPH POSSIBLE...WILL
CAUSE BLOWING AND DRIFTING OF SNOW AND COULD RESULT IN BLIZZARD
LIKE CONDITIONS. TRAVEL WILL BE VERY DIFFICULT ALONG PARTS OF
HIGHWAYS 18 AND 38 IN SAN BERNARDINO COUNTY AND 243 IN RIVERSIDE
COUNTY.
THE SNOW LEVEL WILL VARY CONSIDERABLY MONDAY AND MONDAY
NIGHT...AND RISE FROM 4500 FEET EARLY MONDAY TO OVER 6000 FEET
MONDAY AFTERNOON...THEN FALL TO 3000 FEET BY MIDNIGHT MONDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.
$$
MAXWELL
HIGH WIND WATCH
Issue Date: 1116 AM PST SUN DEC 06 2009
Expiration: 1200 AM PST TUE DEC 08 2009 ...STRONG WINDS TO ACCOMPANY THE WINTER STORM MONDAY AFTERNOON AND
MONDAY NIGHT...
.A STRONG WINTER STORM WITH A DEEP SURFACE LOW PRESSURE SYSTEM
WILL MOVE THROUGH THE REGION MONDAY AND MONDAY NIGHT. THIS WILL
BRING STRONG GUSTY WINDS...WITH THE POTENTIAL TO PRODUCE
DAMAGE...ESPECIALLY WITH THE PASSAGE OF THE COLD FRONT EARLY
MONDAY EVENING. WIND GUSTS OF OVER 55 MPH WILL BE POSSIBLE IN
COASTAL AND VALLEY AREAS...WITH WIND GUSTS OF OVER 65 MPH POSSIBLE
IN WINDIEST MOUNTAIN AND DESERT LOCATIONS. THE WINDS WILL
GRADUALLY SUBSIDE MONDAY NIGHT...EXCEPT ON THE EAST SLOPES OF THE
SAN DIEGO COUNTY MOUNTAINS AND THE DESERTS WHERE THEY MAY LINGER
UNTIL ALMOST SUNRISE TUESDAY.
CAZ042-043-048-050-057-060-061-070600-
/O.NEW.KSGX.HW.A.0006.091207T2300Z-091208T0800Z/
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SANTA ANA MOUNTAINS AND FOOTHILLS-
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
1116 AM PST SUN DEC 6 2009
...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING.
WIND GUSTS COULD REACH 60 MPH IN A FEW LOCATIONS...MAINLY MONDAY
EVENING WITH THE PASSAGE OF THE COLD FRONT WHEN THE WINDS SWITCH
FROM A SOUTHERLY TO A WESTERLY DIRECTION. SUSTAINED WINDS WILL BE
25 TO 40 MPH AT TIMES. THE STRONGEST WINDS WILL BE OVER HIGHER
TERRAIN IN THE FOOTHILLS AND MOUNTAINS AND ALONG THE IMMEDIATE
COAST. WINDS WILL DIMINISH GRADUALLY MONDAY NIGHT. THERE IS A
POTENTIAL FOR DAMAGE TO TREES...POWER LINES...COMMUNICATIONS
TOWERS AND OTHER EXPOSED OBJECTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.
$$
MAXWELL
WINTER STORM WATCH
Issue Date: 105 PM PST SAT DEC 05 2009
Expiration: 300 AM PST TUE DEC 08 2009 ...STRONG WINTER STORM TO IMPACT THE SAN BERNARDINO AND RIVERSIDE
COUNTY MOUNTAINS MONDAY AND MONDAY NIGHT...
.A STRONG WINTER STORM...ORIGINATING FROM WESTERN CANADA...WILL
BRING PERIODS OF SNOW...HEAVY AT TIMES...TO THE MOUNTAINS MONDAY
AND MONDAY NIGHT. THERE WILL ALSO BE STRONG GUSTY WINDS...WHICH
WILL RESULT IN BLIZZARD LIKE CONDITIONS. THE SNOW LEVEL WILL
INITIALLY BE AROUND 4000 FEET EARLY MONDAY MORNING...THEN RISE TO
AROUND 6000 FEET MONDAY AFTERNOON BEFORE FALLING BACK TO 4000 FEET
OR LOWER LATE MONDAY NIGHT.
SNOW ACCUMULATIONS WILL BE BETWEEN 1 AND 2 FEET ABOVE 6000
FEET...INCLUDING AT THE RESORTS IN THE SAN BERNARDINO MOUNTAINS.
ACCUMULATIONS BELOW 6000 FEET WILL DEPEND ON EXACTLY HOW HIGH THE
SNOW LEVEL WILL BE MONDAY AFTERNOON AND EVENING...BUT
ACCUMULATIONS OF 6 TO 12 INCHES WILL BE POSSIBLE BETWEEN 5000 AND
6000 FEET.
THE SNOW WILL TAPER OFF LATE MONDAY NIGHT...WITH ANY ADDITIONAL
AMOUNTS EXPECTED TO BE LIGHT TUESDAY.
CAZ055-056-061200-
/O.NEW.KSGX.WS.A.0002.091207T1400Z-091208T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
105 PM PST SAT DEC 5 2009
...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT.
SNOWFALL AMOUNTS WILL LIKELY BE BETWEEN 1 AND 2 FEET ABOVE 6000
FEET MONDAY AND MONDAY NIGHT...WHILE 6 TO 12 INCHES ARE POSSIBLE
BETWEEN 5000 AND 6000 FEET. STRONG WINDS...WITH GUSTS OF 60 MPH
POSSIBLE...WILL CAUSE BLOWING AND DRIFTING OF SNOW AND COULD
RESULT IN BLIZZARD LIKE CONDITIONS. TRAVEL WILL BE VERY DIFFICULT
ALONG PARTS OF HIGHWAYS 18 AND 38 IN SAN BERNARDINO COUNTY AND 243
IN RIVERSIDE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.
$$
MAXWELL
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