Alert archive / Arizona / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 4, NWS Phoenix, AZ

June 6, 1997Yuma County, Arizona; Imperial County, California

NWS Phoenix, AZ issued this severe thunderstorm warning at Jun 6, 1997, 3:51 PM MST for Yuma County, Arizona; Imperial County, California. It was in force for 54 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
Jun 6, 1997, 3:51 PM MST (22:51 UTC)
Expired
Jun 6, 1997, 4:45 PM MST
In force
54 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

Counties Yuma County, AZ, Imperial County, CA

The radar

The Yuma radar (KYUX), 46 km from the middle of the area, began a volume at 22:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 6, 12:00 PM MSTSevere Thunderstorm WatchSPC7 hr

The text

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

000 
TTAA00 KPHX 062251
SVRPHX
AZC027-CAC025-062345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
351 PM MST (351 PM PDT) FRI JUN 6 1997

*  SEVERE THUNDERSTORM WARNING FOR
   SOUTHWESTERN YUMA COUNTY IN SOUTHWESTERN ARIZONA
   SOUTHEASTERN IMPERIAL COUNTY IN SOUTHEASTERN CALIFORNIA

*  UNTIL 445 PM MST (445 PM PDT)

*  SOME LOCATIONS AFFECTED
   YUMA
   WINTERHAVEN
   FELICITY
 
*  AT 345 PM MST (PDT) MST RADAR INDICATED A SEVERE THUNDERSTORM
   JUST NORTH OF YUMA AND WINTERHAVEN.  MOVEMENT WAS TO THE
   SOUTH AT 20 MPH. DAMAGING STRAIGHT-LINE WINDS WILL ACCOMPANY THE
   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, Jun 6, 11:21 AM MST, 4 hours 30 minutes before
AZZ020>025-070300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1117 AM MST FRI JUN 6 1997

...SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER SOUTH-CENTRAL AND
SOUTHWEST ARIZONA THIS AFTERNOON AND EARLY EVENING...

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER SOUTHWEST AND
SOUTH-CENTRAL ARIZONA THIS AFTERNOON AND EARLY EVENING. THE
GREATER PHOENIX METROPOLITAN AREA...CASA GRANDE...GILA BEND...AND
YUMA ARE INCLUDED IN THE SLIGHT RISK AREA. THE MOST INTENSE STORMS
WILL BE CAPABLE OF PRODUCING DAMAGING SURFACE WINDS...HAIL IN EXCESS
OF 1 INCH IN DIAMETER...AND INTENSE LIGHTNING.  THUNDERSTORMS WILL
BE CAPABLE OF PRODUCING BLOWING DUST AND POSSIBLE DUST STORMS...IN
ADDITION TO LOCALLY HEAVY RAIN. THUNDERSTORMS HAVE ALREADY BEGUN TO
DEVELOP THIS MORNING OVER PORTIONS OF SOUTHWEST ARIZONA THIS MORNING.

A STRONG STORM SYSTEM WAS CENTERED NEAR YUMA LATE THIS MORNING...AND
IS FORECAST TO REMAIN OVER SOUTHWEST ARIZONA THIS AFTERNOON AND
EVENING. THE COMBINATION OF INCREASING LOW-LEVEL MOISTURE...SURFACE
HEATING...RELATIVELY COLD AIR ALOFT...AND STRONGER THAN NORMAL UPPER
LEVEL WINDS FAVOR DEVELOPMENT OF STRONG...POSSIBLY SEVERE...
THUNDERSTORMS. INDIVIDUAL STORMS WILL MOVE TO THE NORTHWEST AT 25
MPH.

RESIDENTS OF SOUTHWEST AND SOUTH-CENTRAL ARIZONA SHOULD BE ALERT FOR
RAPIDLY CHANGING WEATHER CONDITIONS. MONITOR NOAA WEATHER RADIO OR
YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR ANY STATEMENTS OR
WARNINGS...AND BE PREPARED TO MOVE INDOORS OR ANOTHER PLACE OF
SHELTER IF THREATENING WEATHER APPROACHES YOUR AREA.

DG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 11:50 AM MSTSevere Thunderstorm WarningPSRMaricopa45 min
Jun 6, 4:16 PM MSTSevere Thunderstorm WarningPSRImperial59 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1997Severe Thunderstorm Warnings in California, 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.