Alert archive / California / Flash Flood Warnings in 1998

Flash Flood Warning 36, NWS Los Angeles, CA

May 5, 1998Los Angeles County, California

NWS Los Angeles, CA issued this flash flood warning at May 5, 1998, 9:55 PM PDT for Los Angeles County, California. It was in force for 2 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
May 5, 1998, 9:55 PM PDT (04:55 UTC)
Expired
May 6, 1998, 12:00 AM PDT
In force
2 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 04:56 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 
TTAA00 KLAX 060453
FFWLAX
CAC037-060700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OXNARD CA
955 PM PDT TUE MAY 5 1998

THE NATIONAL WEATHER SERVICE IN OXNARD HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  EASTERN LOS ANGELES COUNTY MOUNTAINS AND ADJACENT FOOTHILLS

* UNTIL MIDNIGHT TONIGHT

* AT 945 PM...DOPPLER RADARS INDICATED MODERATE SHOWERS ACROSS
  THE EASTERN SAN GABRIEL MOUNTAINS AND ADJACENT FOOTHILL COMMUNITIES.
  WHILE THE RAINFALL INTENSITIES HAVE DECREASED SOME FROM EARLIER
  THIS EVENING...HEAVIER RAINFALL IS EXPECTED TO REDEVELOP ACROSS
  THE ABOVE AREAS BETWEEN 10 PM AND MIDNIGHT. SINCE 3 PM...
  AUTOMATED RAIN GAUGES HAVE RECORDED ONE TO THREE INCHES IN THE
  ABOVE WARNING AREA. WITH HEAVIER RAINFALL EXPECTED...CONDITIONS
  REMAIN PRIME FOR FLASH FLOODING.
  
* BETWEEN 10 PM AND MIDNIGHT...MOUNTAIN AND ADJACENT FOOTHILL
  AREAS FROM HIGHWAY 39 AND EASTWARD WILL LIKELY EXPERIENCE FLASH
  FLOODING. FOOTHILL BOULEVARD AND INTERSTATE 210...AS WELL AS
  HIGHWAY 39 WILL LIKELY HAVE FLOODED ROAD CONDITIONS BEFORE
  MIDNIGHT.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS OCCURRING OR
IS IMMINENT. MOVE TO HIGHER GROUND IMMEDIATELY IF FLOODILNG IS
ENCOUNTERED. 

GOMBERG

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 5:30 PM PDTFlash Flood WarningLOXSan Luis Obispo, Santa Barbara90 min
May 5, 7:00 PM PDTFlash Flood WarningLOXSan Luis Obispo, Santa Barbara60 min
May 5, 7:20 PM PDTFlash Flood WarningLOXLos Angeles70 min
May 5, 7:55 PM PDTFlash Flood WarningLOXSan Luis Obispo, Santa Barbara2 hr
May 5, 8:30 PM PDTFlash Flood WarningLOXLos Angeles90 min
May 5, 9:50 PM PDTFlash Flood WarningLOXSan Luis Obispo, Santa Barbara2 hr
May 5, 11:55 PM PDTFlash Flood WarningLOXLos Angeles2 hr
May 6, 1:55 AM PDTFlash Flood WarningLOXLos Angeles2 hr

Nearby

Flash Flood Warnings in California, 1998Every flash flood 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; radar from the NEXRAD Level II archive.