Alert archive / California / Flash Flood Warnings in 1993
Flash Flood Warning 13, NWS Eureka, CA
NWS Eureka, CA issued this flash flood warning at Jan 21, 1993, 12:05 AM PST for Lake County, Mendocino County, California. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jan 21, 1993, 12:05 AM PST (08:05 UTC)
- Expired
- Jan 21, 1993, 9:00 AM PST
- In force
- 9 hr
- Issued by
- NWS Eureka, CA
- Area
- Whole counties
Counties Lake County, CA, Mendocino County, CA
The nearest sounding before it
Oakland, CA (KOAK), launched 00:00Z, 8.1 hours before the alert went out and 188 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 400 m²/s²
- 0-3 km storm-relative helicity
- 487 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KEKA 210808 FFWEKA CAC015-033-045-211700- BULLETIN-EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE EUREKA, CA 1205 AM PST THU JAN 21 1993 THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 9 00 AM PST THURSDAY FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST CALIFORNIA ... ALL OF LAKE COUNTY...THE SOUTHERN HALF OF MENDOCINO COUNTY... ..THE SOUTHERN HALF OF DEL NORTE COUNTY... THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLOOD WARNING UNTIL 9 AM FOR ALL OF LAKE COUNTY..THE SOUTHERN HALF OF MENDOCINO COUNTY AND THE SOUTHERN HALF OF DEL NORTE COUNTY.. AT 10 30 PM THE LAKE COUNTY SHERRIFF REPORTED THAT THE INTERSECTION OF SCOTTS VALLEY ROAD AND HIGHWAY 20 WAS UNDER SIX FEET OF WATER. IN MENDOCINO COUNTY- NEAR POINT ARENA THE GARCIA RIVER IS FLOODING ACROSS HIGHWAY 101. THE EARLIEST THE HIGHWAY IS EXPECTED TO REOPEN IS THURSDAY MORNING. DEL NORTE COUNTY- SHERRIFF REPORTS FLOODING NEAR THE MOUTH OF THE KLAMATH RIVER WITH DADS CAMP UNDER 5 FEET OF WATER AND KLAMATH BEACH ROAD UNDER WATER. WHILE RAINFALL HAS DIMINISHED LATE THIS EVENING..THE HEAVY AMOUNTS WHICH FELL EARLIER TODAY ARE WORKING THERE WAY DOWNSTREAM AT THIS TIME. THURSDAYS HIGH TIDES MAY AGAIN IMPEDE RIVERS AND STREAMS DISCHARGE. A NEW STORM IS FORECAST TO HIT NORTHWEST CALIFORNIAN THURSDAY MORNING WITH ADDITIONAL HEAVY RAIN. MOST DEATHS IN FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. LISTEN TO NOAA WEATHER RADIO OR TV FOR UPDATED FORECASTS. LEBLANC
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 8:53 PM PST | Flash Flood Warning | EKA | Lake, Mendocino | 3 hr |
| Jan 21, 12:05 AM PST | Flash Flood Warning | EKA | Del Norte | 9 hr |
| Jan 21, 3:45 PM PST | Flash Flood Warning | EKA | Napa, Sonoma | 6 hr |
| Jan 21, 3:45 PM PST | Flash Flood Warning | EKA | Mendocino | 6 hr |
Nearby
Flash Flood Warnings in California, 1993Every flash flood warning in 1993
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.