Alert archive / California / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 60, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 12, 1998, 9:34 PM PDT for Riverside County, California. It was in force for 46 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 12, 1998, 9:34 PM PDT (04:34 UTC)
- Expired
- Aug 12, 1998, 10:20 PM PDT
- In force
- 46 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Riverside County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 9:47 PM PDT | Thunderstorm Wind 63 | Blythe, CA | Measured peak wind gust 72 mph at the airport. |
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
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 PDT, 5 hours 34 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 PDT, 5 hours 34 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 6:07 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 48 min |
| Aug 12, 6:10 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 45 min |
| Aug 12, 6:15 PM PDT | Flash Flood Warning | PSR | Maricopa | 65 min |
| Aug 12, 6:55 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 50 min |
| Aug 12, 7:16 PM PDT | Flash Flood Warning | PSR | Maricopa | 94 min |
| Aug 12, 7:42 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 48 min |
| Aug 12, 8:29 PM PDT | Severe Thunderstorm Warning | PSR | La Paz | 46 min |
| Aug 12, 10:43 PM PDT | Severe Thunderstorm Warning | PSR | Yuma | 92 min |
| Aug 13, 4:12 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 48 min |
| Aug 12, 10:22 PM PDT | Severe Thunderstorm Warning | PSR | Imperial, Riverside | 63 min |
Nearby
Severe 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; verification from NCEI's Storm Data.