Alert archive / Arizona / Flash Flood Warnings in 1997

Flash Flood Warning 4, NWS Phoenix, AZ

August 17, 1997La Paz County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 17, 1997, 6:06 PM MST for La Paz County, Arizona. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 17, 1997, 6:06 PM MST (01:06 UTC)
Expired
Aug 17, 1997, 8:05 PM MST
In force
119 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County La Paz County, AZ

The radar

The Yuma radar (KYUX), 151 km from the middle of the area, began a volume at 01:10 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.

The text

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

000 
TTAA00 KPHX 180108
FFWPHX
AZC012-180305-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
606 PM MST SUN AUG 17 1997

*  FLASH FLOOD WARNING FOR
   CENTRAL AND NORTHEASTERN LA PAZ COUNTY IN WEST CENTRAL ARIZONA

*  UNTIL 805 PM MST

*  SOME LOCATIONS AFFECTED
   VICKSBURG
   SALOME
   WENDEN
   US 60 WEST OF AGUILAR
   STATE HIGHWAY 72 SOUTHEAST OF BOUSE
 
*  AT 600 PM MST RADAR ESTIMATED RAINFALL RATES OF TWO INCHES AN
HOUR DURING THE PAST HOUR IN THE HARCUVAR MOUNTAINS OF CENTRAL LA
PAZ COUNTY. WASHES FROM THESE MOUNTAINS WILL LIKELY BE FILLING WITH
WATER. AS A RESULT...FLASH FLOODING IS EXPECTED TO OCCUR IN THE
WARNING LOCATIONS.

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 17, 3:04 PM MST, 3 hours 2 minutes before
AZZ020>025-CAZ030>033-172145-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
245 PM MST/PDT SUN AUG 17 1997

...A MODERATE RISK OF SEVERE THUNDERSTORMS IN SOUTHWEST AND SOUTH
CENTRAL ARIZONA THIS AFTERNOON AND EARLY EVENING...

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS MUCH OF
SOUTHWEST AND SOUTH CENTRAL ARIZONA THE REMAINDER OF THIS AFTERNOON
AND EARLY EVENING. THE MAIN THREAT WITH THESE STORMS ARE STRONG
POSSIBLY DAMAGING WINDS...AND EXTREMELY HEAVY RAIN.  SOME OF THE
COUNTIES INCLUDED IN THE MODERATE RISK OF SEVERE WEATHER INCLUDE
YUMA...LA PAZ...FAR EASTERN IMPERIAL (IN FAR SOUTHEAST CALIFORNIA)
...MARICOPA...SOUTHERN GILA...AND PINAL.

SEVERE THUNDERSTORMS IMPLY...DAMAGING WINDS IN EXCESS OF 58 MPH...
AND/OR HAIL THREE-QUARTERS OF AN INCH OR MORE IN DIAMETER.

THE ATMOSPHERE OVER CENTRAL AND SOUTHWEST ARIZONA HAS BECOME VERY
MOIST AND UNSTABLE. A WEATHER DISTURBANCE MOVING OUT OF SOUTHERN
CALIFORNIA WILL HELP TO INITIATE THUNDERSTORMS THAT WILL LAST WELL
INTO THE EVENING HOURS. AT 230 PM SEVERE THUNDERSTORMS WITH
FLOODING WERE REPORTED IN CENTRAL MARICOPA COUNTY.  THUNDERSTORMS
IN CENTRAL MARICOPA COUNTY WILL CONTINUE TO BUILD WEST AND
SOUTHWEST TOWARD THE COLORADO RIVER THE REMAINDER OF THE AFTERNOON
AND EVENING.

IN ADDITION TO THE HIGH WIND GUST POTENTIAL...INTENSE THUNDERSTORM
RAINS COULD LEAD TO FLOOD...FLASH FLOODING...OR THE PONDING OF
WATER.

TODAY WILL BE A VERY ACTIVE WEATHER DAY ACROSS PARTS OF SOUTHERN
ARIZONA. RESIDENTS...MOTORISTS...AND OTHERS SHOULD LISTEN TO THE
LATEST FORECASTS AND UPDATES IN THE EVENT WEATHER WATCHES...
WARNINGS...OR ADVISORIES ARE NEEDED.

...................................................................
.

THE OUTLOOK AREA INCLUDES THE FOLLOWING COUNTIES...

IN ARIZONA                     IN CALIFORNIA

MARICOPA...YUMA                IMPERIAL
SOUTHERN GILA...LA PAZ         CENTRAL/EASTERN RIVERSIDE
NORTHWEST PINAL

VASQUEZ

Nearby

Flash Flood Warnings in Arizona, 1997Every flash flood warning in 1997

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.