Alert archive / California / Flash Flood Warnings in 2000
Flash Flood Warning 4, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Feb 21, 2000, 1:45 PM PST for Orange County, Riverside County, San Diego 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
- Feb 21, 2000, 1:45 PM PST (21:45 UTC)
- Expired
- Feb 21, 2000, 3:45 PM PST
- In force
- 2 hr
- Issued by
- NWS San Diego, CA
- Area
- Whole counties
Counties Orange County, CA, Riverside County, CA, San Diego County, CA
The radar
The San Diego radar (KNKX), 65 km from the middle of the area, began a volume at 21:45 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 nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 9.8 hours before the alert went out and 83 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
- 3 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- -96 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS56 KSGX 212150
FFWSGX
CAC059-065-073-212345-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
145 PM PST MON FEB 21 2000
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN ORANGE COUNTY IN CALIFORNIA...INCLUDING SAN
CLEMENTE AND SAN JUAN CAPISTRANO
EXTREME SOUTHWESTERN RIVERSIDE COUNTY IN CALIFORNIA...INCLUDING
THE SANTA ROSA PLATEAU AND TEMECULA
EXTREME NORTHWESTERN SAN DIEGO COUNTY IN CALIFORNIA...INCLUDING
CAMP PENDLETON
* UNTIL 345 PM PST
* AT 140 PM PST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN 10 MILES NORTHEAST OF SAN CLEMENTE...MOVING NORTHEAST AT 20
MPH. ORANGE COUNTY FIRE DEPARTMENT REPORTED FLASH FLOODING IN SAN
JUAN CAPISTRANO AND SAN CLEMENTE. STREET FLOODING WAS REPORTED IN
COSTA MESA.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
SAN DIEGO.
$$
r
LAT...LON 3348 11771 3335 11755 3345 11719 3376 11755
MAXWELLThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 8:30 PM PST | Flash Flood Warning | SGX | Orange | 2 hr |
| Feb 20, 10:15 PM PST | Flash Flood Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 6 hr |
| Feb 21, 4:00 AM PST | Flash Flood Warning | SGX | San Diego | 2 hr |
| Feb 21, 2:05 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 55 min |
| Feb 21, 2:51 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 54 min |
| Feb 21, 3:55 PM PST | Flash Flood Warning | SGX | Riverside, San Diego | 2 hr |
Nearby
Flash Flood Warnings in California, 2000Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.