Alert archive / California / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 16, NWS Las Vegas, NV

July 23, 1997San Bernardino County, California

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 23, 1997, 2:55 PM PDT for San Bernardino County, California. It was in force for 65 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: Jul 23, 1997, 2:55 PM PDT (21:55 UTC)
Expired: Jul 23, 1997, 4:00 PM PDT
In force: 65 min
Issued by: NWS Las Vegas, NV
Area: Whole counties

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 21:59 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

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.

NWS Las Vegas, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 23, 2:00 PM PDT, 55 minutes earlier.

Area forecast discussion, Jul 23, 2:00 PM PDT, 55 minutes before

MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
200 PM PDT WED JUL 23 1997

STLT LOOP SHOWING SHOWERS AND THUNDERSTORMS OVER CWA WITH FFS OUT FOR
BOULDER CITY NV. WILL ALLOW THIS FFS TO EXPIRE AS STORM IS DECREASING.
MODELS HAVE US IN A DRYING TREND OVER THE NEXT FEW DAYS SO FORECAST
REFLECTS THIS TREND WITH DRYING FROM SOUTH TO NORTH.  WILL LEAVE ZONES
13-15 IN VN WITH ISOLATED STORMS THURSDAY ALONG WITH 26-27 IN CA.  REST
OF ZONES PARTLY CLOUDY DRYING TO MOSTLY SUNNY BY FRI.  TEMPS WILL
CONTINUE TO WARM OVER THE NEXT FEW DAY BUT STILL BE BELOW NORMAL.
EXTENDED WILL CONTINUE DRY TREND UNTIL HIGH PRESSURE BUILD IN OVER THE
FOUR CORNERS AREA. LAS 1000. DALEY

SRN NV...NONE
ERN CA...NONE
NW AZ ...NONE

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 8:26 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	49 min
Jul 23, 2:55 PM PDT	Flash Flood Warning	VEF	San Bernardino	65 min
Jul 23, 3:51 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	49 min

Nearby

Severe Thunderstorm Warnings in California, 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; radar from the NEXRAD Level II archive.