Alert archive / California / Flash Flood Warnings in 2004
Flash Flood Warning 28, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Feb 26, 2004, 5:05 AM PST for Orange County, California. It was in force for 3 hr. 9 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 26, 2004, 5:05 AM PST (13:05 UTC)
- Expired
- Feb 26, 2004, 8:30 AM PST
- In force
- 3 hr
- Issued by
- NWS San Diego, CA
- Area
- Whole counties
County Orange County, CA
The radar
The Santa Ana Mts radar (KSOX), 20 km from the middle of the area, began a volume at 13:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 26, 5:05 AM PST | FLOOD | Santa Ana, CA | NORTHBOUNT STATE ROUTE 133 AT I405 ALL LANES FLOODED. PER CHP. |
| Feb 26, 5:44 AM PST | FLOOD | Huntington Beach, CA | PACIFIC HIGHWAY CLOSED FROM WARNER AVENUE ON THE NORTH TO SEAPOINT AVENUE ON THE SOUTH IN HUNTINGTON BEACH |
| Feb 26, 5:56 AM PST | HEAVY RAIN 0 | Santa Ana, CA | RAINFALL TOTAL 2.13 |
| Feb 26, 6:12 AM PST | HEAVY RAIN 2.7 | Fullerton, CA | |
| Feb 26, 6:31 AM PST | HEAVY RAIN 0.93 | Huntington Beach, CA | |
| Feb 26, 6:40 AM PST | FLOOD | Huntington Beach, CA | FLOODED ROADWAYS GOLDEN WEST AND SEAPORT AT HUNTINGTON NORTH TO WARNER ROAD. |
| Feb 26, 6:50 AM PST | HEAVY RAIN 0 | Laguna Niguel, CA | ORANGE COUNTY RE4PORTS RAINFALL TOTAL 2.42 INCHES. |
| Feb 26, 6:50 AM PST | HEAVY RAIN 2.42 | Laguna Niguel, CA | ORANGE COUNTY REPORTS RAINFALL TOTALS OF 2.42 INCHES. |
| Feb 26, 7:50 AM PST | HEAVY RAIN 2.42 | Laguna Niguel, CA | RAINFALL FROM 1900 YESTETRDAY TO 0500 TODAY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 1.1 hours before the alert went out and 111 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
- 598 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 293 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 261306 FFWSGX CAC059-261630- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 505 AM PST THU FEB 26 2004 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL ORANGE COUNTY IN SOUTHWEST CALIFORNIA * UNTIL 830 AM PST * AT 453 AM PST...FLOODING WAS REPORTED ALONG 405 AND FAIRVIEW NEAR COSTA MESA...MOVING NORTHEAST AT 20 MPH. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. 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. $$ LAT...LON 3379 11798 3353 11765 3369 11756 3389 11780
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 9:30 PM PST | Flash Flood Warning | SGX | San Bernardino | 6 hr |
| Feb 26, 12:30 AM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 90 min |
| Feb 26, 1:56 AM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 34 min |
| Feb 26, 2:30 AM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 6 hr |
| Feb 26, 7:28 AM PST | Flash Flood Warning | SGX | San Diego | 2 hr |
| Feb 26, 9:30 AM PST | Flash Flood Warning | SGX | San Diego | 90 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.