Alert archive / California / Flash Flood Warnings in 2000

Flash Flood Warning 4, NWS Los Angeles, CA

February 20, 2000Los Angeles County, California

NWS Los Angeles, CA issued this flash flood warning at Feb 20, 2000, 11:45 PM PST for Los Angeles County, California. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 20, 2000, 11:45 PM PST (07:45 UTC)
Expired: Feb 21, 2000, 3:00 AM PST
In force: 3 hr
Issued by: NWS Los Angeles, CA
Area: Whole counties

County Los Angeles County, CA

The radar

The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 07:46 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 
WGUS56 KLOX 210744
FFWLOX
CAC037-210845-

FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1145 PM PST SUN FEB 20 2000

THE NATIONAL WEATHER SERVICE IN OXNARD HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE RAFAEL AND SANTA ANITA BURN AREAS OF LOS ANGELES COUNTY

* UNTIL 3 AM MONDAY

* SULPHUR MOUNTAIN AND SANTA ANA DOPPLER RADARS INDICATED A BAND OF
  LIGHT TO MODERATE RAINFALL MOVING ACROSS LOS ANGELES COUNTY. HOURLY
  RAINFALL RATES...WITH THIS BAND...ARE EXPECTED TO BE BETWEEN ONE
  QUARTER AND ONE HALF INCH. GIVEN THE AMOUNT OF RAINFALL THAT HAS
  ALREADY FALLEN...ANY ADDITIONAL RAINFALL WILL CONTINUE THE THREAT
  OF FLASH FLOODING IN THE BURN AREAS OF LOS ANGELES COUNTY.

FOLLOW DIRECTIONS OF EMERGENCY PREPAREDNESS OFFICIALS AND EVACUATE
IF REQUESTED TO DO SO. PERSONS IN THE WARNING AREA SHOULD BE PREPARED
TO MOVE IMMEDIATELY...WITHOUT WAITING FOR INSTRUCTIONS... IF HEAVY
FLOWS OF WATER OR DEBRIS ARE OBSERVED IN THEIR AREA.

$$

RAT/GOMBERG

The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 20, 6:30 PM PST	Flash Flood Warning	LOX	Ventura	3 hr
Feb 20, 7:35 PM PST	Flash Flood Warning	LOX	Los Angeles	85 min

Nearby

Flash Flood Warnings in California, 2000 Every flash flood warning in 2000

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.