Alert archive / Arizona / Red Flag Warnings in 2009

Red Flag Warning 5, NWS Phoenix, AZ

April 2, 20094 counties in Arizona; Imperial County, Riverside County, California

NWS Phoenix, AZ issued this red flag warning at Apr 2, 2009, 2:55 PM MST for 4 counties in Arizona; Imperial County, Riverside County, California. It took effect at Apr 3, 2009, 1:00 PM MST. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 2, 2009, 2:55 PM MST (21:55 UTC)
In effect from
Apr 3, 2009, 1:00 PM MST
Expired
Apr 3, 2009, 10:00 PM MST
In force
9 hr
Issued by
NWS Phoenix, AZ

Counties La Paz County, AZ, Maricopa County, AZ, Pinal County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA

The radar

The Yuma radar (KYUX), 113 km from the middle of the area, began a volume at 21:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this red flag warning went out at Apr 2, 2:45 PM MST, 10 minutes earlier.

Area forecast discussion, Apr 2, 2:45 PM MST, 10 minutes before
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Hazardous weather outlook, Apr 2, 6:10 AM MST, 8 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
610 AM MST THU APR 2 2009

AZZ020>023-025>028-CAZ031-030115-
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
SOUTHWEST MARICOPA COUNTY-NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
LOWER COLORADO RIVER VALLEY CA-
610 AM MST THU APR 2 2009 /610 AM PDT THU APR 2 2009/

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

.DAY ONE...TODAY AND TONIGHT

NO WEATHER HAZARDS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

VERY STRONG WEST TO SOUTHWEST WINDS WILL DEVELOP FRIDAY...WITH WIND
GUSTS RANGING FROM 35 TO 45 MPH IN THE AFTERNOON. THIS WILL POSE A
HAZARD TO MOTORISTS IN HIGH PROFILE VEHICLES...ESPECIALLY ON OPEN
HIGHWAYS. AREAS OF BLOWING DUST OR SAND MAY BE GENERATED BY THE
STRONG WINDS...LEADING TO LOCAL REDUCTIONS IN VISIBILITIES. WINDS WILL
SLOWLY WEAKEN FRIDAY NIGHT.

THE COMBINATION OF STRONG WINDS AND VERY DRY AIR OVER THE LOWER
COLORADO RIVER VALLEY AND THE LOWER ELEVATIONS OF SOUTHWEST AND
SOUTH-CENTRAL ARIZONA HAS PROMPTED A FIRE WEATHER WATCH FOR FRIDAY
AFTERNOON AND EARLY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

AZZ024-030115-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
610 AM MST THU APR 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

NO WEATHER HAZARDS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

VERY STRONG WEST TO SOUTHWEST WINDS WILL DEVELOP FRIDAY...WITH WIND
GUSTS RANGING FROM 35 TO 45 MPH IN THE AFTERNOON. THIS WILL POSE A
HAZARD TO MOTORISTS IN HIGH PROFILE VEHICLES...ESPECIALLY ON OPEN
HIGHWAYS. LOCAL AREAS OF BLOWING DUST OR SAND MAY BE GENERATED BY THE
STRONG WINDS IN AREAS OF LOOSE SOIL...LEADING TO LOCAL REDUCTIONS IN
VISIBILITIES. WINDS WILL SLOWLY WEAKEN FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

CAZ030-032-033-030115-
JOSHUA TREE NATIONAL PARK-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
610 AM PDT THU APR 2 2009

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

.DAY ONE...TODAY AND TONIGHT

NO WEATHER HAZARDS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

VERY STRONG WEST TO SOUTHWEST WINDS WILL DEVELOP FRIDAY...WITH WIND
GUSTS RANGING FROM 35 TO 45 MPH IN THE AFTERNOON. THIS WILL POSE A
HAZARD TO MOTORISTS IN HIGH PROFILE VEHICLES...ESPECIALLY ON OPEN
HIGHWAYS. AREAS OF BLOWING DUST OR SAND MAY BE GENERATED BY THE
STRONG WINDS...LEADING TO LOCAL REDUCTIONS IN VISIBILITIES. WINDS WILL
SLOWLY WEAKEN FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

AJ

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 4:10 AM MSTFire Weather WatchPSRLa Paz, Maricopa, Pinal, Yuma11 hr
Apr 2, 12:19 PM MSTWind AdvisoryPSR34 hr

Nearby

Red Flag Warnings in Arizona, 2009Red Flag Warnings in California, 2009Every red flag warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.