Severe Thunderstorm

The National Weather Service in Phoenix has issued the following:

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
532 PM MST SUN SEP 9 2012

YUMA AZ-IMPERIAL CA-
532 PM MST SUN SEP 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MST/615 PM PDT/ FOR SOUTHEASTERN IMPERIAL AND WEST CENTRAL YUMA COUNTIES...

AT 528 PM MST... NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  IN ADDITION... DENSE BLOWING DUST MAY ACCOMPANY THIS SEVERE STORM.  THIS STORM WAS LOCATED NEAR WINTERHAVEN...OR NEAR YUMA...MOVING NORTHWEST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOMERTON... SAN LUIS... GADSDEN... ANDRADE AND ALGODONES DUNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE WARNING AREA...GO INSIDE A STURDY BUILDING. REMEMBER... A SEVERE THUNDERSTORM WILL PRODUCE DAMAGING WINDS AND DEADLY LIGHTNING

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

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Short Term Forecast

NATIONAL WEATHER SERVICE PHOENIX AZ
543 PM MST SUN SEP 9 2012

YUMA/MARTINEZ LAKE AND VICINITY- SOUTHWEST DESERTS- SOUTHWEST MARICOPA COUNTY- INCLUDING THE CITIES OF... FORTUNA FOOTHILLS... SAN LUIS... SOMERTON... YUMA... DATELAND... TACNA... WELLTON... AND GILA BEND
543 PM MST SUN SEP 9 2012

.NOW...
SCATTERED SHOWERS ACROSS SOUTHWEST ARIZONA MOVING WEST NORTHWEST ALONG AREAS ADJOINING INTERSTATE 8 FROM GILA BEND TO DATELAND TO YUMA  WILL CONTINUE OVER THE NEXT FEW HOURS. BREIF HEAVY RAINFALL ALONg WITH PONDING OF WATER ON ROADWAYS IS LIKELY...AS WELL AS GUSTY WINDS IN EXCESS OF 40 MPH. MOTORISTS SHOULD USE CAUTION WHEN TRAVELING ALONG HIGHWAYS AS CONDITIONS MAY CHANGE RAPIDLY.

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Severe Weather Statement

NATIONAL WEATHER SERVICE PHOENIX AZ
532 PM MST SUN SEP 9 2012

YUMA AZ-IMPERIAL CA-
532 PM MST SUN SEP 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM
MST/615 PM PDT/ FOR SOUTHEASTERN IMPERIAL AND WEST CENTRAL YUMA
COUNTIES...

AT 528 PM MST... NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  IN ADDITION...DENSE BLOWING DUST MAY ACCOMPANY THIS SEVERE STORM.  THIS STORM WAS LOCATED NEAR WINTERHAVEN... OR NEAR YUMA... MOVING NORTHWEST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOMERTON... SAN LUIS... GADSDEN... ANDRADE AND ALGODONES DUNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE WARNING AREA...GO INSIDE A STURDY BUILDING. REMEMBER...A SEVERE THUNDERSTORM WILL PRODUCE DAMAGING WINDS AND DEADLY LIGHTNING

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

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Special Weather Statement

NATIONAL WEATHER SERVICE PHOENIX AZ
527 PM MST SUN SEP 9 2012

LA PAZ AZ-YUMA AZ-
527 PM MST SUN SEP 9 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  WEST CENTRAL YUMA COUNTY IN SOUTHWEST ARIZONA
  SOUTHWESTERN LA PAZ COUNTY IN WEST CENTRAL ARIZONA

UNTIL 615 PM MST/615 PM PDT/

AT 523 PM MST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 11 MILES EAST OF YUMA PROVING GROUND...MOVING WEST AT 20 MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
   YUMA PROVING GROUND...
   MARTINEZ LAKE...

IF THIS STORM INTENSIFIES...A WARNING MAY BE NEEDED. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR THE LATEST UPDATES.

SOME UNSECURED OBJECTS WILL BE BLOWN AROUND...TREE LIMBS COULD BE SNAPPED OFF...AND ISOLATED POWER OUTAGES WILL BE POSSIBLE. SEEK SHELTER INDOORS UNTIL THE STORM PASSES.

VERY HEAVY RAINFALL MAY CAUSE TEMPORARY PONDING ON SOME ROADS AND MINOR FLOODING OF POOR DRAINAGE AREAS. IN HEAVY RAINFALL SLOW DOWN TO REDUCE THE RISK OF HYDROPLANING...AND LEAVE A SAFE DISTANCE BETWEEN YOURSELF AND OTHER VEHICLES.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING. IF STORMS APPROACH YOUR LOCATION OR YOU HEAR THUNDER...MOVE INSIDE A STURDY BUILDING OR AN ALL METAL VEHICLE.

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Flood Advisory

NATIONAL WEATHER SERVICE PHOENIX AZ
510 PM MST SUN SEP 9 2012

YUMA AZ-
510 PM MST SUN SEP 9 2012

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

* SMALL STREAM FLOOD ADVISORY FOR...  CENTRAL YUMA COUNTY IN SOUTHWEST ARIZONA...  THIS INCLUDES THE CITY OF FORTUNA FOOTHILLS...

* UNTIL 715 PM MST

* AT 508 PM MST THUNDERSTORMS OVER THE ADVISORY AREA HAVE PRODUCED HEAVY RAIN. DOPPLER RADAR ESTIMATES THAT ONE TO ONE AND A HALF INCHES OF RAIN HAS FALLEN IN THE LAST HOUR. THIS WILL CAUSE NORMALLY DRY WASHES TO BEGIN RUNNING AS WELL AS PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS.

* LOCATIONS THAT MAY EXPERIENCE MINOR FLOODING INCLUDE BUT ARE NOT LIMITED TO... INTERSTATE 8... TACNA... WELLTON... FORTUNA FOOTHILLS... AND RURAL AREAS ADJOINING INTERSTATE 8.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD ADVISORY MEANS THAT NORMALLY DRY WASHES AND STREAMS WILL SUDDENLY HAVE RUNNING WATER. UNBRIDGED CROSSINGS MAY BECOME HAZARDOUS. THERE WILL BE PONDING OF WATER ON STREETS AND LOW SPOTS CAUSING TRAFFIC TO BE IMPEDED. IF YOU ENCOUNTER PONDING OR FLOWING WATERS...DO NOT ATTEMPT TO CROSS BY FOOT OR AUTOMOBILE. TURN AROUND...DONT DROWN.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.
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Blowing Dust Advisory
NATIONAL WEATHER SERVICE PHOENIX AZ
408 PM MST SUN SEP 9 2012

YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
INCLUDING THE CITIES OF... FORTUNA FOOTHILLS... YUMA... TACNA... WELLTON
408 PM MST SUN SEP 9 2012

...BLOWING DUST ADVISORY IN EFFECT UNTIL 6 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A BLOWING DUST ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MST THIS EVENING.

* AFFECTED AREA...SOUTHERN AND CENTRAL YUMA COUNTY...INCLUDING THE INTERSTATE
  8 CORRIDOR FROM EAST OF DATELAND...TO NEAR YUMA.

* TIMING...VALID THROUGH 6PM...GREATEST IMPACTS LIKELY ALONG  INTERSTATE 8 BETWEEN 430 PM AND 600 PM.

* WINDS...20-30 MPH...GUSTS TO 40 MPH.

* VISIBILITY...2 TO 3 MILES...LOCALLY BELOW 1 MILE.

* IMPACTS...GUSTY WINDS FROM THUNDERSTORMS IN SOUTHERN YUMA COUNTY  WILL SPREAD DUST ACROSS THE INTERSTATE 8 CORRIDOR. RAPID CHANGES IN  VISIBILITY ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE READY FOR A SUDDEN DROP IN VISIBILITY. IF YOU ENCOUNTER BLOWING DUST OR BLOWING SAND ON THE ROADWAY OR SEE IT APPROACHING...PULL OFF THE ROAD AS FAR AS POSSIBLE AND PUT YOUR VEHICLE IN PARK. TURN THE LIGHTS ALL THE WAY OFF AND KEEP YOUR FOOT OFF THE BRAKE PEDAL.

REMEMBER...PULL ASIDE...STAY ALIVE.

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Hazardous Weather Outlook

NATIONAL WEATHER SERVICE PHOENIX AZ
344 PM MST SUN SEP 9 2012

LOWER COLORADO RIVER VALLEY AZ -YUMA/MARTINEZ LAKE AND VICINITY - JOSHUA TREE NATIONAL PARK-LOWER COLORADO RIVER VALLEY CA -
RIVERSIDE COUNTY/EASTERN DESERTS-IMPERIAL COUNTY - 344 PM MST SUN SEP 9 2012 /344 PM PDT SUN SEP 9 2012/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ABOVE AVERAGE STORM CHANCES CAN BE EXPECTED THIS AFTERNOON AND
EVENING. STORMS WILL HAVE MORE POTENTIAL TO PRODUCE FLOODING THAN
GENERATING DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SHOWER AND THUNDERSTORMS ACTIVITY PEAKS MONDAY INTO TUESDAY...AND
THE POTENTIAL EXISTS FOR THESE STORMS TO PRODUCE MODERATE TO HEAVY
AMOUNTS OF PRECIPITATION THAT COULD LEAD TO FLOODING IN SOME AREAS.
STORM CHANCES TREND DOWN TO SLIGHT BY LATE TUESDAY...AND GO AWAY
ALTOGETHER THE REMAINDER OF THE WEEK.