Alert archive / Arizona / Flash Flood Warnings in 1990

Flash Flood Warning 44, NWS Phoenix, AZ

August 13, 1990La Paz County, Mohave County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 13, 1990, 5:30 PM MST for La Paz County, Mohave County, Arizona. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 13, 1990, 5:30 PM MST (00:30 UTC)
Expired
Aug 13, 1990, 8:30 PM MST
In force
3 hr
Issued by
NWS Phoenix, AZ
Area
Whole counties

Counties La Paz County, AZ, Mohave County, AZ

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHX 140036
FFWPHX
AZC015-013-029-140330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING AND SEVERE THUDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
530 PM MST MON AUG 13 1990
 
THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A FLASH
FLOOD AND SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM MST
FOR THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARIZONA
   ...SOUTHERN MOHAVE COUNTY
 
IN CENTRAL ARIZONA
   ...NORTHWESTERN MARICOPA COUNTY
   ...LA PAZ COUNTY
 
STRONG THUNDERSTORMS WERE MOVING INTO THE WARNING AREA AT 5 PM MST.
MOVEMENT OF THE STORMS WAS TOWARD THE SOUTH ABOUT 10 MILES AN HOUR...
WHILE ALSO BUILDING TOWARD THE WEST.
 
IN THE PAST TWO HOURS REPORTS TO THE NORTH AND NORTHWEST OF WICKENBURG
RANGED FROM ABOUT ONE HALF TO ONE INCH OF RAIN...AND IT WAS STILL
RAINING.
 
BESIDES HEAVY RAIN THERE WILL ALSO BE STRONG GUSTY DAMAGING WINDS TO
6O MILES AN HOUR...ALSO RESULTING IN BLOWING DUST AND SAND.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DONT TRY TO CROSS
FLOODING WASHES OR STREAMS. NEVER DRIVE ONTO A BRIDGE COVERED BY
WATER. STAY OFF FLOODED CITY STREETS. OUTSIDE THE CITY...STAY ON MAIN
HIGHWAYS. AVOID SECONDARY ROADS AND FARM ROADS...ESPECIALLY AT NIGHT.

What forecasters said that day

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

In the hours before

Special weather statement, Aug 13, 3:52 PM MST, 1 hour 38 minutes before
AZZALL-140000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
350 PM MST MON AUG 13 1990

AT 345 PM WEATHER RADAR AND SATELLITE PICTURES SHOWED THUNDERSTORMS
DEVELOPING OVER NORTHWEST ARIZONA...SOME WITH THE POTENTIAL FOR HEAVY
RAIN AND STRONG GUSTY WINDS.

THE STRONGEST STORMS WERE LOCATED OVER WESTERN YAVAPAI AND SOUTHERN
MOHAVE COUNTIES. MOVEMENT OF THE THUNDERSTORMS APPEARED TO BE TO THE
SOUTH ABOUT 10 MILES AN HOUR...BUT AT THE SAME TIME THEY WERE GROWING
TOWARD THE WEST.

MOTORISTS IN THESE AREAS...ESPECIALLY ALONG U.S. ROUTE 93...WILL NEED
TO USE CAUTION AND WATCH FOR FLOODED HIGHWAY DIPS.

IF THIS AREA OF THUNDERSTORMS CONTINUES TO GROW SOUTH AND WEST
MOTORISTS IN EXTREME NORTHWEST MARICOPA COUNTY WILL ALSO NEED TO
WATCH WEATHER CONDITIONS IN THE NEXT HOUR OR SO. ALSO...THE THREAT
OF STRONG THUNDERSTORMS BUILDING WEST TO THE COLORADO RIVER EXISTS...
ESPECIALLY FROM ABOUT BLYTHE NORTH TO BULLHEAD CITY. ARRIVAL OF
THUNDERSTORMS INTO THIS AREA WOULD BE BETWEEN 430 PM AND 730 PM.

JP 132250Z

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:03 PM MSTSevere Thunderstorm WarningPSRYuma117 min
Aug 14, 8:15 AM MSTFlash Flood WarningPSRGila, Maricopa, Pinal4 hr
Aug 14, 12:00 PM MSTFlash Flood WarningPSRPinal3 hr
Aug 14, 12:00 PM MSTFlash Flood WarningPSRYavapai3 hr
Aug 14, 12:00 PM MSTFlash Flood WarningPSRMaricopa2 hr
Aug 14, 2:18 PM MSTFlash Flood WarningPSRYavapai3 hr
Aug 14, 2:18 PM MSTFlash Flood WarningPSRMaricopa3 hr
Aug 14, 4:30 PM MSTFlash Flood WarningPSRLa Paz, Yuma60 min
Aug 14, 4:30 PM MSTSevere Thunderstorm WarningPSRLa Paz, Yuma60 min

Nearby

Flash Flood Warnings in Arizona, 1990Every flash flood warning in 1990

Sources

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