Wind Advisory 19, NWS Phoenix, AZ

000 
WWUS75 KPSR 262328
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
428 PM MST MON OCT 26 2009

.A STRONG COLD FRONT WILL BRING STRONG...GUSTY WINDS TO THE DESERT
SOUTHWEST TUESDAY.

AZZ020>022-025>027-CAZ030>033-271200-
/O.CON.KPSR.WI.Y.0019.091027T1800Z-091028T0300Z/
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
NORTHWEST MARICOPA COUNTY-YUMA/MARTINEZ LAKE AND VICINITY-
SOUTHWEST DESERTS-SOUTHWEST MARICOPA COUNTY-
JOSHUA TREE NATIONAL PARK-LOWER COLORADO RIVER VALLEY CA-
RIVERSIDE COUNTY/EASTERN DESERTS-IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...QUARTZSITE...SALOME...
BUCKEYE...NEW RIVER...WICKENBURG...FORTUNA FOOTHILLS...YUMA...
TACNA...WELLTON...GILA BEND...COTTONWOOD VISITOR CENTER...BLYTHE...
CHIRIACO SUMMIT...DESERT CENTER...BRAWLEY...CALEXICO...EL CENTRO
428 PM MST MON OCT 26 2009 /428 PM PDT MON OCT 26 2009/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM MST /11 AM PDT/ TO 8 PM
MST /8 PM PDT/ TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM SOUTHEAST CALIFORNIA TO
WESTERN MARICOPA COUNTY IN SOUTH-CENTRAL ARIZONA FROM 11 AM TO 8 PM
TUESDAY.

THE DRY SOUTHWEST END OF AN UNUSUALLY VERY STRONG COLD FRONT FOR LATE
OCTOBER WILL SWEEP SOUTHEAST ACROSS THE AREA TUESDAY AFTERNOON AND
EVENING. STRONG...GUSTY WINDS WILL DEVELOP TUESDAY AFTERNOON AND
EVENING...ESPECIALLY ACROSS THE OPEN DESERTS OF SOUTHEAST CALIFORNIA
AND SOUTHWEST ARIZONA. SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY
WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS THIS HIGH CAN PRODUCE AREAS
OF BLOWING SAND AND DUST WITH RESTRICTED VISIBILITY.

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

ELLIS

000 
WWUS75 KPSR 270926
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
226 AM MST TUE OCT 27 2009

.A STRONG COLD FRONT WILL BRING STRONG...GUSTY WINDS TO THE DESERT
SOUTHWEST THIS AFTERNOON AND THIS EVENING.

AZZ023-024-028-280400-
/O.EXB.KPSR.WI.Y.0019.091027T2100Z-091028T0400Z/
GREATER PHOENIX AREA-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...BUCKEYE...MESA...PHOENIX...GLOBE...MIAMI...
SAN CARLOS...APACHE JUNCTION...CASA GRANDE...FLORENCE
226 AM MST TUE OCT 27 2009

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A WIND ADVISORY...
WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MST THIS EVENING.

A VERY STRONG COLD FRONT WILL SWEEP THROUGH THE AREA THIS EVENING.
STRONG GUSTY WINDS WILL DEVELOP EARLY THIS AFTERNOON ACROSS THE
GREATER PHOENIX AREA AND POINTS EASTWARD INCLUDING THE HIGHER
ELEVATIONS SUCH AS GLOBE. SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH
GUSTS AS HIGH AS 45 MPH. WINDS THIS HIGH CAN PRODUCE AREAS OF BLOWING
SAND AND DUST WITH REDUCED VISIBILITY.

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.

&&

$$

AZZ020-021-025-026-CAZ031>033-280400-
/O.EXT.KPSR.WI.Y.0019.091027T1800Z-091028T0400Z/
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...QUARTZSITE...SALOME...
FORTUNA FOOTHILLS...YUMA...TACNA...WELLTON...BLYTHE...
CHIRIACO SUMMIT...DESERT CENTER...BRAWLEY...CALEXICO...EL CENTRO
226 AM MST TUE OCT 27 2009 /226 AM PDT TUE OCT 27 2009/

...WIND ADVISORY NOW IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS
MORNING TO 9 PM MST /9 PM PDT/ THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS
MORNING TO 9 PM MST /9 PM PDT/ THIS EVENING. 

A VERY STRONG COLD FRONT WILL SWEEP THROUGH THE AREA LATE THIS
AFTERNOON AND EVENING. STRONG GUSTY WINDS WILL DEVELOP EARLY THIS
AFTERNOON...ESPECIALLY ACROSS THE OPEN DESERTS OF SOUTHEAST
CALIFORNIA AND SOUTHWEST ARIZONA. SUSTAINED WINDS OF 25 TO 30 MPH ARE
LIKELY WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS THIS HIGH CAN
PRODUCE AREAS OF BLOWING SAND AND DUST WITH REDUCED VISIBILITY.

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.

&&

$$

CAZ030-280600-
/O.EXT.KPSR.WI.Y.0019.091027T1800Z-091028T0600Z/
JOSHUA TREE NATIONAL PARK-
INCLUDING THE CITY OF...COTTONWOOD VISITOR CENTER
226 AM PDT TUE OCT 27 2009

...WIND ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT FROM 11 AM THIS MORNING TO 11 PM
PDT THIS EVENING. 

A VERY STRONG COLD FRONT WILL SWEEP THROUGH THE AREA LATE THIS
AFTERNOON. STRONG GUSTY WINDS WILL DEVELOP EARLY THIS
AFTERNOON. SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH GUSTS AS
HIGH AS 45 OR 50 MPH. WINDS THIS HIGH CAN PRODUCE AREAS OF BLOWING
SAND AND DUST WITH REDUCED VISIBILITY. THE STRONG WINDS WILL PERSIST
LATE INTO EVENING AND WILL BE STRONGEST ABOVE 4000 FT...WHERE GUSTS
UP TO 55 MPH WILL BE POSSIBLE.

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.

&&

$$

AZZ022-027-280400-
/O.EXT.KPSR.WI.Y.0019.091027T2100Z-091028T0400Z/
NORTHWEST MARICOPA COUNTY-SOUTHWEST MARICOPA COUNTY-
INCLUDING THE CITIES OF...BUCKEYE...NEW RIVER...WICKENBURG...
GILA BEND
226 AM MST TUE OCT 27 2009

...WIND ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MST
THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM
MST THIS EVENING. 

A VERY STRONG COLD FRONT WILL SWEEP THROUGH THE AREA LATE THIS
AFTERNOON AND EVENING. STRONG GUSTY WINDS WILL DEVELOP EARLY THIS
AFTERNOON...ESPECIALLY ACROSS THE OPEN DESERTS OF WESTERN MARICOPA COUNTY.
SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH GUSTS AS HIGH AS 45
OR 50 MPH. WINDS THIS HIGH CAN PRODUCE AREAS OF BLOWING SAND AND DUST
WITH REDUCED VISIBILITY.

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 272111
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
211 PM MST TUE OCT 27 2009

.A STRONG COLD FRONT WILL MOVE SOUTH...AND HIGH PRESSURE WILL BUILD ACROSS
NEVADA FOR MORE WINDY WEATHER TONIGHT AND INTO WEDNESDAY.

AZZ020-021-025-026-CAZ030>033-281200-
/O.EXT.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
JOSHUA TREE NATIONAL PARK-LOWER COLORADO RIVER VALLEY CA-
RIVERSIDE COUNTY/EASTERN DESERTS-IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...QUARTZSITE...SALOME...
FORTUNA FOOTHILLS...YUMA...TACNA...WELLTON...
COTTONWOOD VISITOR CENTER...BLYTHE...CHIRIACO SUMMIT...
DESERT CENTER...BRAWLEY...CALEXICO...EL CENTRO
211 PM MST TUE OCT 27 2009 /211 PM PDT TUE OCT 27 2009/

...WIND ADVISORY NOW IN EFFECT UNTIL 5 PM MST /5 PM PDT/ WEDNESDAY
FOR SOUTHEAST CALIFORNIA...THE LOWER COLORADO RIVER VALLEY...

A STRONG COLD FRONT CONTINUES TO MOVE SOUTHWARD ACROSS THE DESERTS
OF SOUTHEAST CALIFORNIA AND WESTERN ARIZONA. WIND GUSTS TO 45 MPH
HAVE ALREADY BEEN CLOCKED AT IMPERIAL COUNTY AIRPORT. BLOWING DUST
WAS ALSO REPORTED WITH THE VISIBILITY LESS THAN ONE MILE.

WINDS WILL CONTINUE TO BE STRONG OVERNIGHT AND INTO WEDNESDAY.
SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH GUSTS AS HIGH AS 45
OR 50 MPH. WINDS THIS HIGH CAN PRODUCE AREAS OF BLOWING SAND AND DUST
WITH REDUCED VISIBILITY.

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.

&&

$$

AZZ022>024-027-028-280400-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091028T0400Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...BUCKEYE...NEW RIVER...WICKENBURG...MESA...
PHOENIX...GLOBE...MIAMI...SAN CARLOS...GILA BEND...APACHE JUNCTION...
CASA GRANDE...FLORENCE
211 PM MST TUE OCT 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING...

A STRONG COLD FRONT WILL SWEEP THROUGH THE AREA LATE THIS AFTERNOON
AND EVENING. STRONG GUSTY WINDS WILL DEVELOP THIS AFTERNOON...MAINLY
ACROSS THE OPEN DESERTS. A SPOTTER IN FLORENCE REPORTED SOME BLOWING 
DUST AROUND 2 PM. VISIBILITY TO LESS THAN A MILE MAY OCCUR THIS
EVENING AS WINDS PICK UP TO 30 TO 40 MPH...WITH GUSTS TO NEAR 45
MPH.

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 272236
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
336 PM MST TUE OCT 27 2009

.A STRONG COLD FRONT WILL MOVE SOUTH...AND HIGH PRESSURE WILL BUILD
ACROSS NEVADA FOR MORE WINDY WEATHER TONIGHT AND INTO WEDNESDAY.

AZZ027-028-280400-
/O.NEW.KPSR.DU.Y.0001.091027T2236Z-091028T0400Z/
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091028T0400Z/
SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...GILA BEND...APACHE JUNCTION...
CASA GRANDE...FLORENCE
336 PM MST TUE OCT 27 2009

...BLOWING DUST ADVISORY IN EFFECT UNTIL 9 PM MST THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A BLOWING DUST
ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM MST THIS EVENING. A WIND
ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

STRONG GUSTY WINDS ACROSS THE DESERTS OF SOUTH-CENTRAL ARIZONA HAVE
BEEN OBSERVED AS A COLD FRONT APPROACHES FROM THE NORTH. AS A
RESULT...AREAS OF BLOWING DUST HAVE BEEN REPORTED...REDUCING VISIBILITIES TO
BELOW ONE MILE AT TIMES. A TRAINED SPOTTER REPORTED VISIBILITY
REDUCED TO BELOW ONE HALF MILE NEAR FLORENCE. GUSTY WINDS WILL
CONTINUE TO PRODUCE AREAS OF BLOWING DUST THROUGH THE
EVENING...ESPECIALLY IN RURAL AREAS. SOME LOCATIONS THAT MAY BE
PARTICULARLY VULNERABLE TO BLOWING DUST INCLUDE INTERSTATE 10 NORTH
OF CASA GRANDE...INTERSTATE 8 BETWEEN SENTINEL AND CASA GRANDE...AND
HIGHWAY 87 IN NORTH CENTRAL PINAL COUNTY.

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.

A BLOWING DUST ADVISORY MEANS THAT BLOWING DUST WILL RESTRICT
VISIBILITIES. TRAVELERS ARE URGED TO USE EXTRA CAUTION.

&&

$$

AZZ020-025-026-CAZ031-033-281045-
/O.NEW.KPSR.DU.Y.0001.091027T2236Z-091028T0400Z/
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
LOWER COLORADO RIVER VALLEY AZ-YUMA/MARTINEZ LAKE AND VICINITY-
SOUTHWEST DESERTS-LOWER COLORADO RIVER VALLEY CA-IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...FORTUNA FOOTHILLS...
YUMA...TACNA...WELLTON...BLYTHE...BRAWLEY...CALEXICO...EL CENTRO
336 PM MST TUE OCT 27 2009 /336 PM PDT TUE OCT 27 2009/

...BLOWING DUST ADVISORY IN EFFECT UNTIL 9 PM MST /9 PM PDT/ THIS
EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A BLOWING DUST
ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM MST /9 PM PDT/ THIS EVENING.
A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY. 

STRONG GUSTY WINDS ACROSS THE DESERTS OF SOUTHWEST ARIZONA AND
SOUTHEAST CALIFORNIA HAVE BEEN OBSERVED AS A COLD FRONT MOVES THROUGH
THE REGION. AS A RESULT...AREAS OF BLOWING DUST HAVE BEEN
REPORTED...REDUCING VISIBILITIES TO BELOW ONE MILE AT TIMES. GUSTY
WINDS WILL CONTINUE TO PRODUCE AREAS OF BLOWING DUST THROUGH THE
EVENING. SOME LOCATIONS THAT MAY BE PARTICULARLY VULNERABLE TO
BLOWING DUST INCLUDE INTERSTATE 8 BETWEEN DATELAND AND YUMA IN
SOUTHWEST ARIZONA...INTERSTATE 8 BETWEEN WINTERHAVEN AND OCOTILLO IN
IMPERIAL COUNTY...AND HIGHWAY 78 IN IMPERIAL COUNTY. 

WINDS WILL CONTINUE TO BE STRONG OVERNIGHT AND INTO WEDNESDAY.
SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH GUSTS AS HIGH AS
45 OR 50 MPH. 

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.

A BLOWING DUST ADVISORY MEANS THAT BLOWING DUST WILL RESTRICT
VISIBILITIES. TRAVELERS ARE URGED TO USE EXTRA CAUTION.

&&

$$

AZZ022>024-280400-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091028T0400Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
INCLUDING THE CITIES OF...BUCKEYE...NEW RIVER...WICKENBURG...MESA...
PHOENIX...GLOBE...MIAMI...SAN CARLOS
336 PM MST TUE OCT 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING...

A STRONG COLD FRONT CONTINUES TO MOVE SOUTHWARD ACROSS THE DESERTS
OF SOUTHEAST CALIFORNIA AND WESTERN ARIZONA. WINDS WILL CONTINUE TO
BE STRONG OVERNIGHT AND INTO WEDNESDAY. SUSTAINED WINDS OF 25 TO 30
MPH ARE LIKELY WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS THIS HIGH
CAN PRODUCE AREAS OF BLOWING SAND AND DUST WITH REDUCED VISIBILITY.

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.

&&

$$

AZZ021-CAZ030-032-281045-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
WEST CENTRAL DESERTS-JOSHUA TREE NATIONAL PARK-
RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...QUARTZSITE...SALOME...
COTTONWOOD VISITOR CENTER...CHIRIACO SUMMIT...DESERT CENTER
336 PM MST TUE OCT 27 2009 /336 PM PDT TUE OCT 27 2009/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY...

A STRONG COLD FRONT CONTINUES TO MOVE SOUTHWARD ACROSS THE DESERTS
OF SOUTHEAST CALIFORNIA AND WESTERN ARIZONA. WINDS WILL CONTINUE TO
BE STRONG OVERNIGHT AND INTO WEDNESDAY. SUSTAINED WINDS OF 25 TO 30
MPH ARE LIKELY WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS THIS HIGH
CAN PRODUCE AREAS OF BLOWING SAND AND DUST WITH REDUCED VISIBILITY.

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 280130
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
630 PM MST TUE OCT 27 2009

.A STRONG COLD FRONT WILL MOVE SOUTH...AND HIGH PRESSURE WILL BUILD
ACROSS NEVADA FOR MORE WINDY WEATHER TONIGHT AND INTO WEDNESDAY.

AZZ027-028-280400-
/O.CAN.KPSR.DU.Y.0001.000000T0000Z-091028T0400Z/
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091028T0400Z/
SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...GILA BEND...APACHE JUNCTION... CASA
GRANDE...FLORENCE
630 PM MST TUE OCT 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING...
...BLOWING DUST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS CANCELLED THE BLOWING
DUST ADVISORY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

GUSTY WINDS ARE NO LONGER PRODUCING WIDESPREAD AREAS OF BLOWING DUST 
ACROSS SOUTHWEST MARICOPA AND NORTHWEST AND NORTH CENTRAL PINAL
COUNTY. ALTHOUGH ISOLATED AREAS OF BLOWING DUST MAY LOCALLY REDUCE
VISIBILITIES DOWN TO ONE MILE...THE THREAT FOR WIDESPREAD VISIBILITY
REDUCTIONS IS LOW.

A WIND ADVISORY REMAINS IN EFFECT THIS EVENING UNTIL 9 PM MST. A
STRONG COLD FRONT WILL MOVE ACROSS THE AREA THIS EVENING...WITH WINDS
SHIFTING OUT OF THE NORTHWEST...AND GUSTING UP TO 40 MPH.

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.

&&

$$

AZZ020-025-026-CAZ031-033-281330-
/O.CON.KPSR.DU.Y.0001.000000T0000Z-091028T0400Z/
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
LOWER COLORADO RIVER VALLEY AZ-YUMA/MARTINEZ LAKE AND VICINITY-
SOUTHWEST DESERTS-LOWER COLORADO RIVER VALLEY CA-IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...FORTUNA FOOTHILLS...
YUMA...TACNA...WELLTON...BLYTHE...BRAWLEY...CALEXICO...EL CENTRO
630 PM MST TUE OCT 27 2009 /630 PM PDT TUE OCT 27 2009/

...BLOWING DUST ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST /9 PM PDT/
THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY...

A BLOWING DUST ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST /9 PM PDT/
THIS EVENING. A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM
PDT/ WEDNESDAY. 

STRONG GUSTY WINDS ACROSS THE DESERTS OF SOUTHWEST ARIZONA AND
SOUTHEAST CALIFORNIA HAVE BEEN OBSERVED AS A COLD FRONT MOVES THROUGH
THE REGION. AS A RESULT...AREAS OF BLOWING DUST HAVE BEEN
REPORTED...REDUCING VISIBILITIES TO BELOW ONE MILE AT TIMES. GUSTY
WINDS WILL CONTINUE TO PRODUCE AREAS OF BLOWING DUST THROUGH THE
EVENING. SOME LOCATIONS THAT MAY BE PARTICULARLY VULNERABLE TO
BLOWING DUST INCLUDE INTERSTATE 8 BETWEEN DATELAND AND YUMA IN
SOUTHWEST ARIZONA...INTERSTATE 8 BETWEEN WINTERHAVEN AND OCOTILLO IN
IMPERIAL COUNTY...AND HIGHWAY 78 IN IMPERIAL COUNTY. 

WINDS WILL CONTINUE TO BE STRONG OVERNIGHT AND INTO WEDNESDAY.
SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH GUSTS AS HIGH AS
45 OR 50 MPH.

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.

A BLOWING DUST ADVISORY MEANS THAT BLOWING DUST WILL RESTRICT
VISIBILITIES. TRAVELERS ARE URGED TO USE EXTRA CAUTION.

&&

$$

AZZ022>024-280400-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091028T0400Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
INCLUDING THE CITIES OF...BUCKEYE...NEW RIVER...WICKENBURG...MESA...
PHOENIX...GLOBE...MIAMI...SAN CARLOS
630 PM MST TUE OCT 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

A STRONG COLD FRONT CONTINUES TO MOVE SOUTHEASTWARD ACROSS THE DESERTS
OF CENTRAL AND WESTERN ARIZONA. WINDS WILL CONTINUE TO
BE STRONG OVERNIGHT AND INTO WEDNESDAY. SUSTAINED WINDS OF 25 TO 30
MPH ARE LIKELY WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS THIS HIGH
CAN PRODUCE AREAS OF BLOWING SAND AND DUST WITH REDUCED VISIBILITY.

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.

&&

$$

AZZ021-CAZ030-032-281330-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
WEST CENTRAL DESERTS-JOSHUA TREE NATIONAL PARK-
RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...QUARTZSITE...SALOME...
COTTONWOOD VISITOR CENTER...CHIRIACO SUMMIT...DESERT CENTER
630 PM MST TUE OCT 27 2009 /630 PM PDT TUE OCT 27 2009/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY. 

WINDS WILL CONTINUE TO BE STRONG OVERNIGHT AND INTO WEDNESDAY BEHIND A
COLD FRONT THAT HAS PASSED THROUGH THE AREA. SUSTAINED WINDS OF 25
TO 30 MPH ARE LIKELY WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS THIS
HIGH CAN PRODUCE AREAS OF BLOWING SAND AND DUST WITH REDUCED
VISIBILITY.

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 280347
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
847 PM MST TUE OCT 27 2009

.A STRONG COLD FRONT WILL MOVE SOUTH...AND HIGH PRESSURE WILL BUILD
ACROSS NEVADA FOR MORE WINDY WEATHER TONIGHT AND INTO WEDNESDAY.

AZZ020-025-026-CAZ031-033-281600-
/O.EXP.KPSR.DU.Y.0001.000000T0000Z-091028T0400Z/
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
LOWER COLORADO RIVER VALLEY AZ-YUMA/MARTINEZ LAKE AND VICINITY-
SOUTHWEST DESERTS-LOWER COLORADO RIVER VALLEY CA-IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...FORTUNA FOOTHILLS...
YUMA...TACNA...WELLTON...BLYTHE...BRAWLEY...CALEXICO...EL CENTRO
847 PM MST TUE OCT 27 2009 /847 PM PDT TUE OCT 27 2009/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY...
...BLOWING DUST ADVISORY WILL EXPIRE AT 9 PM MST /9 PM PDT/ THIS
EVENING...

THE BLOWING DUST ADVISORY WILL EXPIRE AT 9 PM MST /9 PM PDT/ THIS
EVENING. A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY. 

STRONG GUSTY WINDS ACROSS THE DESERTS OF SOUTHWEST ARIZONA AND
SOUTHEAST CALIFORNIA HAVE BEEN OBSERVED AS A COLD FRONT MOVES THROUGH
THE REGION. WINDS WILL CONTINUE TO BE STRONG OVERNIGHT AND INTO
WEDNESDAY. SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY WITH GUSTS AS
HIGH AS 45 OR 50 MPH. THE STRONG WINDS MAY ALSO PRODUCE AREAS OF
BLOWING DUST AND SAND.

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.

&&

$$

AZZ022>024-027-028-280500-
/O.EXP.KPSR.WI.Y.0019.000000T0000Z-091028T0400Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...BUCKEYE...NEW RIVER...WICKENBURG...MESA...
PHOENIX...GLOBE...MIAMI...SAN CARLOS...GILA BEND...APACHE JUNCTION...
CASA GRANDE...FLORENCE
847 PM MST TUE OCT 27 2009

...WIND ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING. 

WINDS HAVE WEAKENED BELOW ADVISORY CRITERIA AS A COLD FRONT HAS MOVED
THROUGH THE REGION. OCCASIONAL GUSTS UP TO 30 MPH CAN STILL BE
EXPECTED OVERNIGHT INTO TOMORROW. 

$$

AZZ021-CAZ030-032-281600-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
WEST CENTRAL DESERTS-JOSHUA TREE NATIONAL PARK-
RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...QUARTZSITE...SALOME...
COTTONWOOD VISITOR CENTER...CHIRIACO SUMMIT...DESERT CENTER
847 PM MST TUE OCT 27 2009 /847 PM PDT TUE OCT 27 2009/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /5 PM PDT/
WEDNESDAY. 

WINDS WILL CONTINUE TO BE STRONG OVERNIGHT AND INTO WEDNESDAY BEHIND
A COLD FRONT THAT HAS PASSED THROUGH THE AREA. SUSTAINED WINDS OF
25 TO 30 MPH ARE LIKELY WITH GUSTS AS HIGH AS 45 OR 50 MPH. WINDS
THIS HIGH CAN PRODUCE AREAS OF BLOWING SAND AND DUST WITH REDUCED
VISIBILITY.

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 281042
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
342 AM MST WED OCT 28 2009

AZZ020-021-025-026-CAZ031-033-281145-
/O.CAN.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
LOWER COLORADO RIVER VALLEY CA-IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...QUARTZSITE...
SALOME...FORTUNA FOOTHILLS...YUMA...TACNA...WELLTON...BLYTHE...
BRAWLEY...CALEXICO...EL CENTRO
342 AM MST WED OCT 28 2009 /342 AM PDT WED OCT 28 2009/

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS CANCELLED THE WIND
ADVISORY.

WHILE BREEZY NORTHERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH
WILL CONTINUE THROUGH TODAY...WIND SPEEDS ARE NOT EXPECTED TO BE
STRONG ENOUGH TO POSE A SIGNIFICANT HAZARD. THEREFORE THE WIND
ADVISORY HAS BEEN CANCELLED.

$$

CAZ030-032-282245-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
JOSHUA TREE NATIONAL PARK-RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...COTTONWOOD VISITOR CENTER...
CHIRIACO SUMMIT...DESERT CENTER
342 AM PDT WED OCT 28 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. 

STRONG NORTHERLY WINDS WILL CONTINUE THROUGH THIS AFTERNOON ACROSS
EASTERN RIVERSIDE COUNTY...INCLUDING JOSHUA TREE NATIONAL PARK...IN
THE WAKE OF A PASSING COLD FRONT. SUSTAINED WINDS OF 20 TO 30 MPH
WITH GUSTS TO 45 MPH CAN BE EXPECTED. WINDS THIS HIGH CAN PRODUCE
AREAS OF BLOWING SAND AND DUST WITH REDUCED VISIBILITY.

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 282112
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
212 PM MST WED OCT 28 2009

CAZ030-032-290000-
/O.CON.KPSR.WI.Y.0019.000000T0000Z-091029T0000Z/
JOSHUA TREE NATIONAL PARK-RIVERSIDE COUNTY/EASTERN DESERTS-
INCLUDING THE CITIES OF...COTTONWOOD VISITOR CENTER...
CHIRIACO SUMMIT...DESERT CENTER
212 PM PDT WED OCT 28 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. 

STRONG NORTH TO NORTHWEST WINDS WILL CONTINUE MUCH OF THIS AFTERNOON
ACROSS EASTERN RIVERSIDE COUNTY...INCLUDING JOSHUA TREE NATIONAL
PARK. SUSTAINED WINDS OF 20 TO 30 MPH...WITH GUSTS IN EXCESS OF 40
MPH...CAN BE EXPECTED. MOTORISTS ON AREA ROADWAYS...INCLUDING
INTERSTATE 10...WILL ENCOUNTER GUSTY CROSSWINDS...AND LOCALIZED AREAS
OF BLOWING DUST OR SAND. WINDS WILL SLOWLY DIMINISH THIS EVENING...
THOUGH BREEZY CONDITIONS WILL PERSIST UNTIL AT LEAST MIDNIGHT.

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

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PHOENIX AZ
900 PM MST SUN OCT 25 2009

.SYNOPSIS...
HIGH PRESSURE ALOFT WILL CONTINUE TO RESULT IN SOMEWHAT ABOVE AVERAGE
TEMPERATURES THROUGH TUESDAY. IT WILL BE BREEZY TO WINDY ALONG THE
LOWER COLORADO RIVER VALLEY THIS EVENING...AND SOMEWHAT BREEZY FROM
THE NORTHEAST IN SOUTH-CENTRAL ARIZONA INCLUDING THE GREATER PHOENIX
AREA MONDAY. A VERY STRONG COLD FRONT WILL BRING WINDY WEATHER TO
THE ENTIRE AREA TUESDAY WITH SOMEWHAT WINDY WEATHER CONTINUING
THROUGH WEDNESDAY. A DRAMATIC DROP IN TEMPERATURES TO LEVELS TYPICAL
FOR WINTER WILL OCCUR WEDNESDAY. THERE IS ALSO A SLIGHT CHANCE OF
SHOWERS IN SOUTH-CENTRAL ARIZONA TUESDAY NIGHT AND WEDNESDAY. HIGH
PRESSURE ALOFT IS EXPECTED TO BRING MOSTLY CLEAR NIGHTS AND SUNNY
DAYS DURING THE END OF THE WEEK WITH A SIGNIFICANT RECOVERY IN
TEMPERATURES NEXT WEEKEND.

&&

.DISCUSSION...
AS HAS BEEN THE CASE FOR THE PAST COUPLE OF DAYS...UPPER RIDGE WAS
SITUATED JUST OFF THE WEST COAST...WITH A DRY NORTHWEST FLOW ALOFT
IN PLACE OVER ARIZONA. OF INTEREST WAS A SHORT WAVE DROPPING DOWN
THE FRONT SIDE OF THE RIDGE...AND THRU NEW MEXICO AND ERN AZ TODAY.
BEHIND THE FRONT...WHICH HAD PUSHED SOUTH AND ACROSS MOST OF THE CWA
AS OF 8 PM...TEMPS HAD FALLEN 5-6 DEGREES PER THE FLAGSTAFF
SOUNDING. SHORT WAVE PASSAGE WAS NOT REALLY SIGNIFICANT IN TERMS OF
H5 HEIGHT FALLS...WHICH ONLY FELL 30M AT TUCSON AND ACTUALLY WERE UP
10M AT FLG. SURFACE GRADIENT TIGHTENED OVER AZ BEHIND THE FRONT AND
LED TO GUSTY NORTH WINDS DOWN THE LOWER CO RIVER VALLEY. EARLIER IN
THE AFTERNOON GUSTS TO NEAR 35 MPH WERE NOTED AT BLYTHE...AS OF 8 PM
WINDS HAVE TAPERED OFF DUE TO ATMOSPHERIC DECOUPLING...AS OF 8 PM
WINDS WERE DOWN TO JUST 7KT AT BLYTHE. DUE TO DECREASE IN WINDS...
RED FLAG WARNING FOR THE LOWER CO RIVER VALLEY WAS ALLOWED TO EXPIRE
AS SCHEDULED AT 7 PM THIS EVENING.

FOR THE REST OF TONIGHT ...EXPECT CLEAR SKIES...AS SEEN IN THE 8 PM
IR IMAGERY ALONG WITH CONTINUED DECREASING WINDS. NO UPDATES NEEED
ATTM. REST OF THE DISCUSSION IS FROM THE PRIOR DAY SHIFT.

.PREVIOUS DISCUSSION...
STRONG SURFACE HIGH PRESSURE BUILDING OVER NEVADA WILL CONTINUE
WINDY CONDITIONS DOWN THE LOWER COLORADO RIVER VALLEY INTO THIS
EVENING WITH WINDS GRADUALLY DECREASING TONIGHT. THE SURFACE HIGH
PRESSURE SYSTEM WILL BUILD SOUTHEAST ACROSS NEW MEXICO WITH SOMEWHAT
BREEZY WEATHER FROM THE NORTHEAST IN SOUTH-CENTRAL ARIZONA INCLUDING
THE GREATER PHOENIX AREA MONDAY. THE WIND WILL BRING SOMEWHAT COOLER
AIR INTO THE AREA WITH NOT QUITE AS WARM WEATHER EXPECTED MONDAY.
LITTLE CHANGE IN TEMPERATURES IS EXPECTED TUESDAY...EXCEPT IT WILL
BE COOLER IN SOUTHEAST CALIFORNIA AS A VERY STRONG COLD FRONT FROM
THE NORTHWEST MOVES INTO THE AREA.

THE VERY STRONG COLD FRONT CURRENTLY MOVING FROM THE GULF OF ALASKA
INTO THE PACIFIC NORTHWEST WILL SWEEP SOUTHEAST ACROSS OUR AREA LATE
TUESDAY AND EARLY WEDNESDAY. THIS SYSTEM IS UNUSUALLY VERY STRONG AND
COLD FOR OCTOBER. AS A RESULT...A DRAMATIC DROP IN TEMPERATURES TO
LEVELS TYPICAL FOR WINTER IS EXPECTED WEDNESDAY. AND...IT WILL BE
MUCH COLDER WEDNESDAY NIGHT UNDER CLEARING SKIES WITH THE FIRST
FREEZING TEMPERATURES OF AUTUMN EXPECTED ABOVE 2 OR 3 THOUSAND FEET.

PRIOR TO WEDNESDAY...UNUSUALLY STRONG GUSTY WINDS FROM THE SOUTHWEST
AND WEST ARE EXPECTED BY TUESDAY AFTERNOON AND EVENING WITH BLOWING
SAND AND DUST IN THE DESERT AREAS ADDED TO THE LATEST FORECAST
PACKAGE FOR THAT TIME FRAME. THE WINDS ARE EXPECTED TO SHIFT OUT OF
THE NORTHWEST AND NORTH BEHIND THE COLD FRONT IN SOUTHEAST CALIFORNIA
AND SOUTHWEST ARIZONA TUESDAY EVENING WITH BREEZY TO WINDY WEATHER
CONTINUING ACROSS THE AREA THROUGH WEDNESDAY.

A WIND ADVISORY IS LIKELY TO BE NEEDED AT LEAST FOR SOUTHEAST
CALIFORNIA AND SOUTHWEST ARIZONA BY TUESDAY AFTERNOON AND EVENING
WITH CRITICAL FIRE WEATHER CONDITIONS. CRITICAL FIRE WEATHER
CONDITIONS ARE ALSO POSSIBLE THERE AGAIN WEDNESDAY AFTERNOON AND
EVENING.

MOISTURE IS EXPECTED TO BE RELATIVELY LIMITED WITH THE COLD FRONT
THIS FAR SOUTH. HOWEVER...IT LOOKS AS IF THERE WILL BE ENOUGH
MOISTURE FOR A LOW END CHANCE OF SHOWERS OVER THE HIGHER TERRAIN EAST
OF THE GREATER PHOENIX AREA TUESDAY NIGHT AND WEDNESDAY...WITH A
SLIGHT CHANCE OF SHOWERS OVER THE REMAINDER OF SOUTH-CENTRAL ARIZONA
INCLUDING THE GREATER PHOENIX AREA.

A FREEZE WARNING WILL PROBABLY BE NEEDED FOR ZONE 24 SOUTHERN GILA
COUNTY...FAR NORTHEAST MARICOPA COUNTY AND NORTHEAST PINAL COUNTY...
AND ZONE 30 JOSHUA TREE NATIONAL PARK FOR WEDNESDAY NIGHT. THIS IS
DUE TO THE FIRST FREEZING TEMPERATURES OF AUTUMN EXPECTED UNDER
CLEARING SKIES THAT NIGHT.

A DRIER FLOW OF AIR FROM THE NORTH AND SOMEWHAT HIGHER PRESSURE
ALOFT IS EXPECTED TO RESULT IN MOSTLY SUNNY SKIES AND A FEW DEGREES
RECOVERY OF TEMPERATURES THURSDAY. HOWEVER...TEMPERATURES WILL STILL
BE TYPICAL FOR WINTER WITH ANOTHER COLD NIGHT EXPECTED THURSDAY
NIGHT.

HIGHER PRESSURE ALOFT WILL BUILD IN FROM THE WEST WITH TEMPERATURES
SHOWING SOME RECOVERY FRIDAY AND FURTHER RECOVERY OVER THE WEEKEND TO
TEMPERATURES MORE TYPICAL FOR LATE OCTOBER. MOSTLY CLEAR NIGHTS AND
SUNNY DAYS ARE ALSO EXPECTED DURING THE END OF THE WEEK AND NEXT
WEEKEND.

&&

.AVIATION...
SOUTHEAST CALIF INCLUDING KBLH AND KIPL...
LOW LEVEL GRADIENTS TIGHTENING BEHIND PASSING SURFACE COLD
FRONT...AND NORTHERLY WINDS HAVE DEVELOPED ALONG THE LOWER COLORADO
RIVER VALLEY. GUSTS BETWEEN 25-30KT WILL CONTINUE INTO THE EARLY
EVENING...AROUND 02Z...THEN WINDS WILL TAPER OFF. STRONG MID LEVEL
NLY WINDS TO 30-35KT WILL PERSIST OVERNIGHT...SO AS ATMOSPHERE
DECOUPLES...LOW LEVEL WIND SHEAR WILL BECOME AN ISSUE. HAVE
MENTIONED LLWS IN THE KBLH TAF BETWEEN 05-10Z TO ADDRESS THIS ISSUE.
LESS WIND EXPECTED IN THE IMPERIAL VALLEY AND AT KIPL...WITH NLY
WINDS TO 20KTS OR SO EXPECTED THRU 02Z...THEN WINDS DECREASING AND
BECOMING MORE WESTERLY AFTER 04Z. EXCEPT FOR A FEW THIN HIGH CLOUDS
SKIES TO BE GENLY CLEAR NEXT 24 HOURS.

SOUTHWEST AND SOUTH CENTRAL AZ INCLUDING KPHX AND KIWA...
IN THE WAKE OF A PASSING TROF AND ASSOCIATED COLD FRONT...WINDS HAVE
SWITCHED TO THE WEST OR NORTHWEST...AND A FEW GUSTS TO NEAR 25KT ARE
POSSIBLE THRU 02Z. WINDS WILL TAPER OFF AFTER 03Z FOLLOWING SUNSET
AS ATMOSPHERE DECOUPLES. HOWEVER...LATEST MODEL TRENDS SHOW 25-30KT
NORTHEAST TO EAST WINDS BELOW 5K FEET OVERNIGHT TONIGHT OVER
SOUTH-CENTRAL AZ. THERE MAY BE SOME LOW LEVEL WIND SHEAR ISSUES IN
THE PHOENIX AREA BETWEEN MIDNIGHT AND MID MORNING MONDAY...BEFORE
NELY TO EASTERLY WINDS MIX TO THE SURFACE. DO NOT EXPECT SHEAR TO
MEET TAF CRITERIA HOWEVER SO WILL NOT MENTION LLWS IN THE 00Z TAFS.
SKIES TO BE GENLY CLEAR THRU MID DAY TOMORROW.

AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...
WEDNESDAY THROUGH SUNDAY...
A DRAMATIC CHANGE IS STILL EXPECTED FOR THE MIDDLE OF THE WEEK. THE
LARGE LOW PRESSURE SYSTEM WILL BRING BREEZY TO WINDY WEATHER TO MUCH
OF THE SOUTHWEST DESERTS. THERE IS ALSO A CHANCE FOR SHOWERS ACROSS
SOUTH CENTRAL ARIZONA...PARTICULARLY IN THE HIGHER TERRAIN WEDNESDAY.
THE COLDEST WEATHER OF THE SEASON IS EXPECTED TO MOVE INTO OUR AREA
BY WEDNESDAY AND THURSDAY. DRY CONDITIONS WILL ALSO REMAIN ACROSS
THE DESERTS WITH SOME AREAS EXPECTING SINGLE DIGIT RH VALUES.
CRITICAL FIRE WEATHER THRESHOLDS ARE POSSIBLE BY EARLY WEDNESDAY
MORNING ACROSS THE WESTERN ZONES...AND SPREADING TO THE EASTERN
ZONES BY WEDNESDAY AFTERNOON.

&&

.PSR WATCHES/WARNINGS/ADVISORIES...

AZ...NONE.

CA...NONE.

&&

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

DISCUSSION...CB/ELLIS
AVIATION...CB
FIRE WEATHER...SIPPLE

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
525 PM MST SUN OCT 25 2009

AZZ020-021-025-026-CAZ031>033-261230-
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
525 PM MST SUN OCT 25 2009 /525 PM PDT SUN OCT 25 2009/

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

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG COLD FRONT WILL MOVE SOUTH THROUGH SOUTHERN CALIFORNIA AND
SOUTHWEST ARIZONA EARLY WEDNESDAY. GUSTY NORTHERLY WINDS OF 15 TO 25
MPH WITH GUSTS TO 35 MPH WILL SET IN BEHIND THE FRONT LATE WEDNESDAY
MORNING DUE TO UNCERTAINTY IN THE EXACT TIMING AND STRENGTH OF THE
FRONT...WINDS COULD BE SLIGHTLY STRONGER OR WEAKER THAN CURRENTLY
EXPECTED. IF STRONGER...A WIND ADVISORY MAY BE NEEDED.

ADDITIONALLY RELATIVE HUMIDITY VALUES WILL DROP SHARPLY BEHIND THE
FRONT...WITH AFTERNOON MINIMUM VALUES LIKELY AT OR BELOW 15 PERCENT
WEDNESDAY. WITH THE DRY AIR AND STRONGER WINDS...CRITICAL FIRE
WEATHER THRESHOLDS MAY BE EXCEEDED. INTERESTED PARTIES SHOULD MONITOR
THE FORECAST THE NEXT SEVERAL DAYS AS THE EVENT APPROACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX