Alert archive / Arizona / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 41, NWS Phoenix, AZ

August 5, 1997Yuma County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 5, 1997, 8:09 PM MST for Yuma County, Arizona. It was in force for 81 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 5, 1997, 8:09 PM MST (03:09 UTC)
Expired: Aug 5, 1997, 9:30 PM MST
In force: 81 min
Issued by: NWS Phoenix, AZ
Area: Whole counties

County Yuma County, AZ

The radar

The Yuma radar (KYUX), 77 km from the middle of the area, began a volume at 03:13 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 was reported inside it

Time	Report	Where	Remark
Aug 5, 8:57 PM MST	Thunderstorm Wind 50	Wellton, AZ	Several downed power poles.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The text

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

937 
WUUS1 KPHX 060310 RRA
SVRPHX
AZC027-060430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
809 PM MST TUE AUG 5 1997

*  SEVERE THUNDERSTORM AND FLASH FLOOD WARNING FOR:
   EASTERN YUMA COUNTY IN SOUTHWESTERN ARIZONA

*  UNTIL 930 PM MST

*  SOME LOCATIONS AFFECTED...
    DATELAND
    AZTEC
    MOHAWK
    AND PORTIONS OF INTERSTATE 8
 
*  AT 805 PM MST RADAR DETECTED SEVERE THUNDERSTORMS DEVELOPING
   RAPIDLY NEAR THE DATELAND AREA ALONG INTERSTATE 8.  THESE
   THUNDERSTORMS WILL MERGE OVER THE COMMUNITIES OF DATELAND...
   AZTEC...AND MOHAWK TO PRODUCE SEVERE WEATHER INCLUDING
   DAMAGING WIND GUSTS IN EXCESS OF 57 MPH...LARGE HAIL...AND
   INTENSE RAINFALL.

   EXCESSIVE RAINFALL IS POSSIBLE LEADING TO FLOOD AND FLASH
   FLOODING. 

   DO NOT ATTEMPT TO CROSS FLOOD WASHES OR ROADWAYS. 

 VASQUEZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 5:27 PM MST	Severe Thunderstorm Warning	PSR	La Paz	63 min
Aug 5, 6:03 PM MST	Flash Flood Warning	PSR	Maricopa	57 min
Aug 5, 6:03 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	57 min
Aug 5, 8:09 PM MST	Flash Flood Warning	PSR	Yuma	81 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1997 Every severe thunderstorm 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; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.