Alert archive / Arizona / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 43, NWS Phoenix, AZ

August 7, 1997Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 7, 1997, 4:45 PM MST for Maricopa County, Arizona. It was in force for 60 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 7, 1997, 4:45 PM MST (23:45 UTC)
Expired
Aug 7, 1997, 5:45 PM MST
In force
60 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 23:48 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 072345 RRA
SVRPHX
AZC013-080045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
445 PM MST THU AUG 7 1997

*  SEVERE THUNDERSTORM WARNING FOR
   NORTHWESTERN MARICOPA COUNTY IN CENTRAL ARIZONA

*  UNTIL 545 PM MST

*  SOME LOCATIONS AFFECTED
   AGUILA
   HIGHWAY 60 AND 71 NORTHEAST AND EAST OF AGUILA
 
*  AT 445 PM MST RADAR INDICATED A SEVERE THUNDERSTORM
   8 MILES NORTHEAST OF AGUILA.  MOVEMENT WAS TO THE SOUTHWEST
   AT 10 MPH.

DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL GREATER THAN 3/4 INCHES
IN DIAMETER ARE LIKELY WITH THIS STORM.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 7, 12:55 PM MST, 3 hours 50 minutes before
AZZ020>025-CAZ030>033-072145-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
1250 PM MST/PDT THU AUG 7 1997

...THUNDERSTORMS...A FEW SEVERE...ARE POSSIBLE FOR SOUTHWEST
AND SOUTH-CENTRAL ARIZONA...AND FAR SOUTHEAST CALIFORNIA LATER
THIS AFTERNOON AND DURING THE EVENING HOURS...

THUNDERSTORMS  ARE  EXPECTED  TO  DEVELOP  ACROSS  SOUTH-CENTRAL  AND
SOUTHWEST ARIZONA...AND FAR SOUTHEAST CALIFORNIA. THERE WILL BE
A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE OUTLOOK
AREA.

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

AT THIS TIME...IT APPEARS THE OUTLOOK AREA MOST AT RISK FOR
SEVERE  WEATHER   WILL  BE  SOUTHWEST   ARIZONA...AND  FAR  SOUTHEAST
CALIFORNIA.

THE  PRIMARY  THREAT FROM  SEVERE  THUNDERSTORMS  THIS AFTERNOON  AND
EVENING WILL BE DAMAGING WINDS. THE STORMS COULD ALSO BE
ACCOMPANIED BY LOCALLY HEAVY RAINFALL...AND FREQUENT AND
DEADLY LIGHTNING.

AN  UPDATED  SEVERE  WEATHER OUTLOOK  FOR  THE  PHOENIX  NWS AREA  OF
RESPONSIBILITY WILL BE ISSUED AT 245 PM MST/PDT THIS AFTERNOON.

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

THE OUTLOOK AREA INCLUDES THE FOLLOWING COUNTIES...

IN ARIZONA                              IN CALIFORNIA

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

FRANJEVIC
Special weather statement, Aug 7, 2:53 PM MST, 1 hour 52 minutes before
AZZ020>025-CAZ030>033-080130-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
255 PM MST/PDT THU AUG 7 1997

...THUNDERSTORMS...A FEW SEVERE...ARE POSSIBLE FOR SOUTHWEST
AND  SOUTH-CENTRAL  ARIZONA...AND   FAR  SOUTHEAST  CALIFORNIA   THIS
AFTERNOON AND EVENING.

STRONG THUNDERSTORMS WERE DEVELOPING OVER THE HIGHER TERRAIN
NORTH AND NORTHEAST OF THE OUTLOOK AREA. THE THUNDERSTORMS WILL
MOVE SOUTH-SOUTHWEST FROM THE HIGHER TERRAIN TO SOUTH-CENTRAL
AND SOUTHWEST ARIZONA...AND EVENTUALLY FAR SOUTHEAST CALIFORNIA.

THE THUNDERSTORMS WILL CONTINUE TO INTENSIFY THIS AFTERNOON...
WITH A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE
OUTLOOK AREA LATER THIS AFTERNOON AND EVENING.

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

THE  PRIMARY  THREAT FROM  SEVERE  THUNDERSTORMS  THIS AFTERNOON  AND
EVENING WILL BE DAMAGING WINDS. THE STORMS COULD ALSO BE
ACCOMPANIED BY LOCALLY HEAVY RAINFALL...AND FREQUENT AND
DEADLY LIGHTNING.

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

THE OUTLOOK AREA INCLUDES THE FOLLOWING COUNTIES...

IN ARIZONA                   n           IN CALIFORNIA

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

FRANJEVIC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 3:58 PM MSTSevere Thunderstorm WarningPSRMaricopa47 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1997Every 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; radar from the NEXRAD Level II archive.