Alert archive / California / Flash Flood Warnings in 2004
Flash Flood Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Feb 2, 2004, 9:19 PM PST for Orange County, Riverside County, San Diego County, California. It was in force for 220 days. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 2, 2004, 9:19 PM PST (05:19 UTC)
- Expired
- Sep 9, 2004, 2:30 PM PDT
- In force
- 220 days
- Issued by
- NWS San Diego, CA
- Area
- Counties, with a storm outline in the text
Counties Orange County, CA, Riverside County, CA, San Diego County, CA
The radar
The San Diego radar (KNKX), 67 km from the middle of the area, began a volume at 05:19 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 00:00Z, 5.3 hours before the alert went out and 87 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2190 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 10 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 030525 CCA
FFWSGX
CAC059-030800-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION
NATIONAL WEATHER SERVICE SAN DIEGO CA
919 PM PST MON FEB 2 2004
CORRECTION FOR COUNTY CODE TO REMOVE RIVERSIDE COUNTY.
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ORANGE COUNTY IN SOUTHWEST CALIFORNIA
THIS INCLUDES THE CITIES OF...YORBA LINDA...WESTMINSTER...TUSTIN
FOOTHILLS...TUSTIN...STANTON...SEAL BEACH...SANTA ANA...
PLACENTIA...NEWPORT BEACH...MISSION VIEJO...LAGUNA HILLS...LA
HABRA...IRVINE...HUNTINGTON BEACH...GARDEN GROVE...FULLERTON...
FOUNTAIN VALLEY...EL TORO...CYPRESS...COSTA MESA...BUENA PARK...
BREA...ANAHEIM
* UNTIL 1200 AM MIDNIGHT PST
* AT 920 PM PST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN FROM SEAL BEACH TO BUENA PARK...MOVING EAST AT 20 MPH.
* A COLD FRONT WITH HEAVY RAIN WILL CONTINUE THROUGH 1200 MIDNIGHT.
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. THERE COULD ALSO BE DEADLY MUD SLIDES NEAR STEAP
TERRAIN ON THE WESTERN SLOPES OF THE THE SANTA ANA MOUNTAINS
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.
$$
LAT...LON 3372 11813 3365 11807 3349 11762 3357 11732
3393 11776 3396 117951 follow-up statement
000 WGUS56 KSGX 092029 FFWSGX CAC065-073-092130- /X.NEW.KSGX.FF.W.0002.040909T2025Z-040909T2130Z/ /X.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 125 PM PDT THU SEP 9 2004 THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL RIVERSIDE COUNTY IN SOUTHEAST CALIFORNIA EASTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA * UNTIL 230 PM PDT * AT 119 PM PDT...VERY HEAVY RAIN WAS INDICATED FROM THUNDERSTORMS NEAR LAKE HEMET AND MOUNT LAGUNA. RESIDENTS AND MOTORISTS IN AND BELOW RECENTLY BURNED AREAS SHOULD BE ALERT TO HEAVY MUD AND DEBRIS FLOWS WHICH MAY BLOCK ROADS AND CULVERTS. POTENTIALLY DANGEROUS FLOODING AND PROPERTY LOSS COULD RESULT IN AREAS WHERE RUNOFF IS RESTRICTED OR BLOCKED. LAT...LON 3383 11681 3276 11643 3281 11636 3378 11661 $$ JAD
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 8:00 PM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 219 days |
| Feb 2, 10:21 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 69 min |
| Feb 2, 10:25 PM PST | Flash Flood Warning | SGX | Riverside, San Diego | 220 days |
| Feb 2, 10:25 PM PST | Special Marine Warning | SGX | 65 min | |
| Feb 2, 11:28 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 47 min |
| Feb 2, 11:29 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 46 min |
| Feb 2, 11:55 PM PST | Flash Flood Warning | SGX | San Bernardino | 95 min |
| Feb 3, 1:20 AM PST | Flash Flood Warning | SGX | San Bernardino, San Diego | 220 days |
Nearby
Flash Flood Warnings in California, 2004Every flash flood warning in 2004
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.