Wind Advisory 10, NWS Phoenix, AZ

000 
WWUS75 KPSR 081043
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
343 AM MST WED APR 8 2009

CAZ030-082330-
/O.EXT.KPSR.WI.Y.0009.000000T0000Z-090409T0500Z/
JOSHUA TREE NATIONAL PARK-
INCLUDING THE CITY OF...COTTONWOOD VISITOR CENTER
343 AM PDT WED APR 8 2009

...WIND ADVISORY IN EFFECT 6 AM PDT UNTIL 10 PM PDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A WIND ADVISORY
WHICH IS IN EFFECT UNTIL 10 PM.

A STRONG LOW PRESSURE SYSTEM CURRENTLY LOCATED ALONG THE COAST OF
CALIFORNIA WILL BRING ANOTHER ROUND OF STRONG WINDS TO THE REGION
BEGINNING EARLY THIS MORNING. SUSTAINED SPEEDS OF 20 TO 30 MPH WITH
GUSTS IN EXCESS OF 45 MPH ARE EXPECTED. ADDITIONALLY...AREAS OF
BLOWING DUST MAY BE GENERATED BY THE STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF BETWEEN 30 AND
40 MPH ARE EXPECTED...OR WIND GUSTS OF BETWEEN 40 AND 58 MPH. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ033-082330-
/O.EXT.KPSR.WI.Y.0010.090408T1600Z-090409T0500Z/
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...BRAWLEY...CALEXICO...EL CENTRO
343 AM PDT WED APR 8 2009

...WIND ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO 10 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A WIND ADVISORY
WHICH IS IN EFFECT UNTIL 10 PM.

STRONG WINDS WILL DEVELOP TODAY AS A VIGOROUS LOW PRESSURE SYSTEM
CURRENTLY LOCATED ALONG THE COAST OF CALIFORNIA MOVES INLAND.
SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40
MPH WILL BE COMMON. ADDITIONALLY...AREAS OF BLOWING DUST MAY BE
GENERATED BY THE STRONG WINDS. THE STRONG WINDS MAY MAKE FOR
DIFFICULT TRAVEL CONDITIONS ALONG INTERSTATE 8 THIS MORNING AND
LASTING INTO THIS EVENING BEFORE SLOWLY DIMINISHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF BETWEEN 30 AND
40 MPH ARE EXPECTED...OR WIND GUSTS OF BETWEEN 40 AND 58 MPH. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ032-082330-
/O.EXT.KPSR.WI.Y.0009.000000T0000Z-090409T0500Z/
RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...CHIRIACO SUMMIT...DESERT CENTER
343 AM PDT WED APR 8 2009

...WIND ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO 10 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A WIND ADVISORY
WHICH IS IN EFFECT UNTIL 10 PM.

STRONG WINDS WILL DEVELOP TODAY AS A VIGOROUS LOW PRESSURE SYSTEM
CURRENTLY LOCATED ALONG THE COAST OF CALIFORNIA MOVES INLAND.
SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40
MPH WILL BE COMMON. ADDITIONALLY...AREAS OF BLOWING DUST MAY BE
GENERATED BY THE STRONG WINDS. THE STRONG WINDS MAY MAKE FOR
DIFFICULT TRAVEL CONDITIONS ALONG INTERSTATE 10 THIS MORNING AND
LASTING INTO THIS EVENING BEFORE SLOWLY DIMINISHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF BETWEEN 30 AND
40 MPH ARE EXPECTED...OR WIND GUSTS OF BETWEEN 40 AND 58 MPH. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

000 
WWUS75 KPSR 082135
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
235 PM MST WED APR 8 2009

CAZ030-032-090500-
/O.CON.KPSR.WI.Y.0009.000000T0000Z-090409T0500Z/
JOSHUA TREE NATIONAL PARK-RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...COTTONWOOD VISITOR CENTER...
CHIRIACO SUMMIT...DESERT CENTER
235 PM PDT WED APR 8 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING. 

A STRONG LOW PRESSURE SYSTEM CURRENTLY MOVING ACROSS CALIFORNIA AND
ARIZONA WILL CONTINUE TO BRING STRONG WINDS TO THE REGION FOR THE
REST OF THE AFTERNOON AND EVENING. SUSTAINED SPEEDS OF 20 TO 30 MPH
WITH GUSTS IN EXCESS OF 45 MPH ARE EXPECTED. ADDITIONALLY...AREAS OF
BLOWING DUST MAY BE GENERATED BY THE STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF BETWEEN 30 AND
40 MPH ARE EXPECTED...OR WIND GUSTS OF BETWEEN 40 AND 58 MPH. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ033-090500-
/O.CON.KPSR.WI.Y.0010.000000T0000Z-090409T0500Z/
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...BRAWLEY...CALEXICO...EL CENTRO
235 PM PDT WED APR 8 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING. 

STRONG WINDS WILL CONTINUE THIS AFTERNOON AND EVENING AS A VIGOROUS
LOW PRESSURE SYSTEM MOVES INLAND. SUSTAINED WESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS IN EXCESS OF 40 MPH WILL BE COMMON. ADDITIONALLY...
AREAS OF BLOWING DUST MAY BE GENERATED BY THE STRONG WINDS. THE
STRONG WINDS MAY MAKE FOR DIFFICULT TRAVEL CONDITIONS ALONG
INTERSTATE 8.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF BETWEEN 30 AND
40 MPH ARE EXPECTED...OR WIND GUSTS OF BETWEEN 40 AND 58 MPH. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

000 
WWUS75 KPSR 090331
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
831 PM MST WED APR 8 2009


CAZ030-032-090445-
/O.CAN.KPSR.WI.Y.0009.000000T0000Z-090409T0500Z/
JOSHUA TREE NATIONAL PARK-RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...COTTONWOOD VISITOR CENTER...
CHIRIACO SUMMIT...DESERT CENTER
831 PM PDT WED APR 8 2009

...WIND ADVISORY IS CANCELED...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS CANCELED THE WIND
ADVISORY THAT WAS IN EFFECT FOR JOSHUA TREE NATIONAL PARK AND
EASTERN RIVERSIDE COUNTY.

THE LOW PRESSURE SYSTEM THAT BROUGHT WINDY CONDITIONS TO SOUTHEAST
CALIFORNIA TODAY HAS MOVED EAST. WIND SPEEDS HAVE DIMINISHED SINCE
SUNSET AND WILL CONTINUE TO WEAKEN FURTHER OVERNIGHT. THEREFORE...THE
WIND ADVISORY HAS BEEN CANCELED.

$$

CAZ033-090445-
/O.CAN.KPSR.WI.Y.0010.000000T0000Z-090409T0500Z/
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...BRAWLEY...CALEXICO...EL CENTRO
831 PM PDT WED APR 8 2009

...WIND ADVISORY IS CANCELED...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS CANCELED THE WIND
ADVISORY THAT WAS IN EFFECT FOR IMPERIAL COUNTY IN SOUTHEAST
CALIFORNIA.

THE LOW PRESSURE SYSTEM THAT BROUGHT WINDY CONDITIONS TO SOUTHEAST
CALIFORNIA TODAY HAS MOVED EAST. WIND SPEEDS HAVE DIMINISHED SINCE
SUNSET AND WILL CONTINUE TO WEAKEN FURTHER OVERNIGHT. THEREFORE...THE
WIND ADVISORY HAS BEEN CANCELED.

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PHOENIX AZ
235 PM MST TUE APR 7 2009

.SYNOPSIS...
ANOTHER IN THE LONG SERIES OF LOW PRESSURE SYSTEMS WILL AFFECT THE
DESERT SOUTHWEST ON WEDNESDAY. IT WILL GENERATE BREEZY TO LOCALLY
WINDY CONDITIONS...AS WELL AS PROVIDE MUCH COOLER TEMPERATURES
WEDNESDAY. THERE WILL ALSO BE A SLIGHT CHANCE OF SHOWERS OVER MAINLY
THE HIGHER TERRAIN. ANOTHER LOW PRESSURE SYSTEM WILL AFFECT THE
REGION FRIDAY THROUGH SUNDAY...PROVIDING A BETTER CHANCE OF SHOWERS
WITH CONTINUED COOL TEMPERATURES.

&&

.DISCUSSION...
ASIDE FROM SOME HIGH CLOUDINESS PUSHING THROUGH THE SRN PART OF AZ
THIS AFTERNOON...SKIES WERE GENERALLY CLEAR TODAY. RIDGE AXIS HAS
PUSHED TO THE E OF THE STATE...RESULTING IN SOME MINOR WARM
ADVECTION ACROSS THE CWA...WITH AFTERNOON TEMPS UP ABOUT 2 TO 5
DEGREES FROM YESTERDAY.

FURTHER TO THE WEST...TIGHTLY WOUND UPPER LOW IS SPINNING OFF THE
KSFO COAST. THIS FEATURE WILL BE DRY FOR MOST OF PHX CWA AS IT
PASSES BY TO OUR N...WITH WIND BEING THE LARGEST IMPACT. WINDS HAVE
ALREADY INCREASED TO ADVISORY LEVELS AT LOST HORSE RAWS IN JTNP...
AND GRADIENTS WILL CONTINUE TO TIGHTEN THROUGHOUT THE NIGHT WITH
ONLY MARGINAL DECOUPLING ANTICIPATED. DECIDED TO HOIST A WIND ADVY
FOR SE CA ZONES TONIGHT AND WILL CONTINUE IT THRU TOMORROW AS 925MB
WIND PROGS STAY IMPRESSIVE AND MOS VALUES KEEP SPEEDS NEAR OR ABOVE
CRITERIA ENTIRE TIME. MAY BE A LULL FOR A FEW HOURS TONIGHT...BUT
DECIDED NOT TO GET OVERLY PICKY WITH TIMING. WINDS ARE LIKELY TO
KICK UP AREAS OF BLOWING DUST AND SAND OUT IN WRN ZONES TONIGHT AND
ENTIRE CWA BY WEDNESDAY PM. MOISTURE WITH THIS LOW WILL BE LIMITED
TO MAINLY NRN AZ...WITH OUR FAR NRN CWA ON THE FRINGES OF ANY SHOWER
THREATS. WILL KEEP SLIGHT CHANCES GOING THESE AREAS PER MOS POPS.
TEMPS WILL BE 10 TO 15 DEGREES COOLER ON WEDNESDAY IN DECENT COLD
ADVECTION PATTERN.

AFTER A BRIEF LULL UNDER SHORTWAVE RIDGING THURSDAY INTO FRIDAY...
A STRONGER AND MORE POTENT UPPER LOW WILL SLIDE DOWN THE CA COAST
AND THEN SWING NEWD THRU AZ IN NEGATIVE-TILT FASHION. THUS...DYNAMICS
WILL BE IMPRESSIVE...AND MOISTURE WILL BE MORE PLENTIFUL WITH THE
EXPECTED OVERWATER TRAJECTORIES AND DEEPENING MARINE LAYER.
THEREFORE...HAVE INCREASED POPS TO CHANCE CATEGORIES BY FRIDAY NIGHT
INTO SATURDAY MOST PLACES IN THE CWA...ESPECIALLY E OF THE CO RIVER.
BEEN AWHILE SINCE WE HAVE HAD A GENUINELY WET SYSTEM PASS THRU THE
REGION...SO ROADWAYS COULD GET SLICK...NOT ONLY FROM RAIN BUT FROM
OILS RISING TO THE SURFACE. HAVE ISSUED AN SPS TO ACCOUNT FOR THIS
WET SYSTEM TO START OUT THE EASTER WEEKEND. EXPECTING THE UPPER LOW
TO MOVE OUT BY EASTER SUNDAY FOR IMPROVING...BUT COOL...WEATHER.

&&

.AVIATION...
UPPER LOW CURRENTLY SPINNING OFF THE COAST OF SOUTHERN CA WILL BEGIN
TO MOVE INLAND LATER THIS EVENING. IN RESPONSE...WINDS WILL INCREASE
THIS AFTERNOON ACROSS THE ENTIRE CWA. THE STRONGEST WINDS WILL BE
LOCATED IN SOUTHEAST CA...INCLUDING KIPL AND THE IMPERIAL
VALLEY...WHERE WINDS COULD GUST AS HIGH AS 25 KTS THIS
AFTERNOON...AND ARE EXPECTED TO REMAIN STRONG OVERNIGHT. WINDS WILL
NOT BE QUITE AS STRONG ACROSS SOUTH-CENTRAL AZ...WITH SW WINDS
GUSTING TO NEAR 20 KTS AT KPHX AND KIWA THIS AFTERNOON. WESTERLY
DIRECTION IS EXPECTED TO REMAIN DOMINANT OVERNIGHT AT KPHX...BUT
SPEEDS SHOULD GENERALLY REMAIN UNDER 10 KTS. SCT HIGH CLOUDS CAN BE
EXPECTED THROUGHOUT THE DAY.

WINDS WILL INCREASE ONCE AGAIN TOMORROW AS THE UPPER LOW PROGRESSES
ACROSS THE REGION. WEST WINDS GUSTING AS HIGH AS 30 KTS ACROSS
SOUTH-CENTRAL AND SOUTHWEST ARIZONA...AND AS HIGH AS 40 KTS ACROSS
SOUTHEAST CALIFORNIA...CAN BE EXPECTED BY LATE TOMORROW MORNING.

AVIATION DISCUSSION NOT UPDATED FOR AMENDED TAFS.

&&

.FIRE WEATHER...
THURSDAY THROUGH MONDAY...A SERIES OF LOW PRESSURE SYSTEMS WILL
TRACK ACROSS THE REGION DURING THIS PERIOD. THURSDAY WILL BE PARTLY
CLOUDY AND COOLER THAN NORMAL...WITH A SLIGHT CHANCE OF SHOWERS IN
ZONE 133. ON FRIDAY AND SATURDAY...THE NEXT PACIFIC SYSTEM WILL
IMPACT THE ENTIRE REGION. IT WILL BRING BREEZY AND COOLER CONDITIONS
TO ALL ZONES...AS WELL AS AN INCREASING CHANCE OF SHOWERS BY FRIDAY
NIGHT. FOR EASTER SUNDAY AND MONDAY...EXPECT GENERALLY CLEAR
SKIES...LIGHT WINDS AND LOWER RH VALUES.

&&

.PSR WATCHES/WARNINGS/ADVISORIES...

AZ...NONE.

CA...WIND ADVISORY FROM 5 PM PDT TUESDAY UNTIL 10 PM PDT WEDNESDAY
     FOR CAZ032-033.

     WIND ADVISORY UNTIL 10 PM PDT WEDNESDAY FOR CAZ030.

&&

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

DISCUSSION...ESTLE
AVIATION...ROGERS
FIRE WEATHER...SIPPLE

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
215 PM MST TUE APR 7 2009

AZZ020>028-CAZ031-081300-
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
LOWER COLORADO RIVER VALLEY CA-
215 PM MST TUE APR 7 2009 /215 PM PDT TUE APR 7 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL
ARIZONA...EXTREME SOUTHWEST ARIZONA...EXTREME WEST-CENTRAL ARIZONA...
SOUTH-CENTRAL ARIZONA...SOUTHWEST ARIZONA...WEST-CENTRAL ARIZONA AND
EXTREME SOUTHEAST CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO WEATHER HAZARDS EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

GUSTY WINDS ON WEDNESDAY COULD RESULT IN BRIEFLY LOWERED VISIBILITIES
IN BLOWING DUST....MAINLY IN THE OPEN DESERTS. MOTORISTS SHOULD DRIVE WITH
EXTRA CAUTION.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CAZ030-032-033-081300-
JOSHUA TREE NATIONAL PARK-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
215 PM PDT TUE APR 7 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHEAST
CALIFORNIA AND SOUTHEAST CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

WEST TO SOUTHWEST WINDS WILL BE GUSTING TO NEAR 40 MPH AT TIMES. THIS
WILL SERVE TO KICK UP AREAS OF BLOWING DUST AND SAND...ESPECIALLY IN THE
OPEN DESERTS. VISIBILITIES COULD BRIEFLY BE LOWERED TO LESS THAN ONE
MILE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WEST TO SOUTHWEST WINDS WILL AGAIN GUST TO NEAR 40 MPH AT TIMES
WEDNESDAY INTO THE EVENING HOURS. BRIEFLY LOWERED VISIBILITIES IN
BLOWING DUST AND SAND CAN BE EXPECTED...PERHAPS DOWN TO UNDER ONE
MILE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

ESTLE