Alert archive / Arizona / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 59, NWS Phoenix, AZ

August 12, 1998La Paz County, Arizona; Riverside County, California

NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 12, 1998, 8:29 PM MST for La Paz County, Arizona; Riverside County, California. It was in force for 46 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 12, 1998, 8:29 PM MST (03:29 UTC)
Expired
Aug 12, 1998, 9:15 PM MST
In force
46 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

Counties La Paz County, AZ, Riverside County, CA

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 12, 4:00 PM MST, 4 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
400 PM MST WED AUG 12 1998

AZZ021>023-026>028-131200-
MARICOPA-NORTHWEST PINAL-LA PAZ-YUMA-

...MODERATE TO HIGH RISK OF HAZARDOUS WEATHER LATE THIS AFTERNOON
AND EARLY TONIGHT IN LA PAZ...YUMA...MARICOPA...AND NORTHWEST
PINAL COUNTIES.

A LINE OF VERY STRONG THUNDERSTORMS DEVELOPING ALONG THE LENGTH OF
THE MOGOLLON RIM WERE MOVING SOUTHWEST TOWARD THE LOWER DESERTS.
THE ATMOSPHERE OVER THE SOUTH CENTRAL AND SOUTHWEST DESERTS IS
VERY UNSTABLE. THUNDERSTORMS MOVING INTO THE DESERTS THIS EVENING
HAVE THE POTENTIAL FOR PRODUCING VERY STRONG POSSIBLY DAMAGING
WINDS...INTENSE LIGHTNING...AND VERY HEAVY RAIN.

THE MODERATE TO HIGH RISK OF HAZARDOUS WEATHER INCLUDES ALL OF
THE GREATER PHOENIX AREA... FLORENCE...CASA GRANDE...GILA BEND...
WICKENBURG...AND OTHER LOCATIONS IN YUMA AND LA PAZ COUNTIES.

STAY TUNED TO THE LATEST FORECASTS AND UPDATES CONCERNING THIS
APPROACHING WEATHER.  TAKE SHELTER IMMEDIATELY IF THREATENING
WEATHER APPROACHES.

*********************************************************************

HAZARDOUS WEATHER REFERS TO ANY OF THE FOLLOWING...

1)   LOCALLY HEAVY RAINFALL RESULTING IN FLASH FLOODING OR FLOODING
2)   SAND OR DUST STORM REDUCING VISIBILITY TO 1/4 MILE OR LESS
3)   DAMAGING WINDS IN EXCESS OF 57 MPH
4)   HAIL 3/4 INCH OR LARGER IN DIAMETER

CHECK THE PHOENIX STATE FORECAST DISCUSSION FOR MORE INFORMATION.

HV
Special weather statement, Aug 12, 4:00 PM MST, 4 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
400 PM MST WED AUG 12 1998

AZZ021>023-026>028-131200-
MARICOPA-NORTHWEST PINAL-LA PAZ-YUMA-

...MODERATE TO HIGH RISK OF HAZARDOUS WEATHER LATE THIS AFTERNOON
AND EARLY TONIGHT IN LA PAZ...YUMA...MARICOPA...AND NORTHWEST
PINAL COUNTIES.

A LINE OF VERY STRONG THUNDERSTORMS DEVELOPING ALONG THE LENGTH OF
THE MOGOLLON RIM WERE MOVING SOUTHWEST TOWARD THE LOWER DESERTS.
THE ATMOSPHERE OVER THE SOUTH CENTRAL AND SOUTHWEST DESERTS IS
VERY UNSTABLE. THUNDERSTORMS MOVING INTO THE DESERTS THIS EVENING
HAVE THE POTENTIAL FOR PRODUCING VERY STRONG POSSIBLY DAMAGING
WINDS...INTENSE LIGHTNING...AND VERY HEAVY RAIN.

THE MODERATE TO HIGH RISK OF HAZARDOUS WEATHER INCLUDES ALL OF
THE GREATER PHOENIX AREA... FLORENCE...CASA GRANDE...GILA BEND...
WICKENBURG...AND OTHER LOCATIONS IN YUMA AND LA PAZ COUNTIES.

STAY TUNED TO THE LATEST FORECASTS AND UPDATES CONCERNING THIS
APPROACHING WEATHER.  TAKE SHELTER IMMEDIATELY IF THREATENING
WEATHER APPROACHES.

*********************************************************************

HAZARDOUS WEATHER REFERS TO ANY OF THE FOLLOWING...

1)   LOCALLY HEAVY RAINFALL RESULTING IN FLASH FLOODING OR FLOODING
2)   SAND OR DUST STORM REDUCING VISIBILITY TO 1/4 MILE OR LESS
3)   DAMAGING WINDS IN EXCESS OF 57 MPH
4)   HAIL 3/4 INCH OR LARGER IN DIAMETER

CHECK THE PHOENIX STATE FORECAST DISCUSSION FOR MORE INFORMATION.

HV

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 6:07 PM MSTSevere Thunderstorm WarningPSRMaricopa48 min
Aug 12, 6:10 PM MSTSevere Thunderstorm WarningPSRMaricopa45 min
Aug 12, 6:15 PM MSTFlash Flood WarningPSRMaricopa65 min
Aug 12, 6:55 PM MSTSevere Thunderstorm WarningPSRMaricopa50 min
Aug 12, 7:16 PM MSTFlash Flood WarningPSRMaricopa94 min
Aug 12, 7:42 PM MSTSevere Thunderstorm WarningPSRMaricopa48 min
Aug 12, 10:43 PM MSTSevere Thunderstorm WarningPSRYuma92 min
Aug 13, 4:12 PM MSTSevere Thunderstorm WarningPSRMaricopa48 min
Aug 12, 9:34 PM MSTSevere Thunderstorm WarningPSRRiverside46 min
Aug 12, 10:22 PM MSTSevere Thunderstorm WarningPSRImperial, Riverside63 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1998Severe Thunderstorm Warnings in California, 1998Every severe thunderstorm warning in 1998

Sources

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