Alert archive / California / Flash Flood Warnings in 2004
Flash Flood Warning 69, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Oct 18, 2004, 6:34 AM PDT for San Diego County, California. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 18, 2004, 6:34 AM PDT (13:34 UTC)
- Expired
- Oct 18, 2004, 8:30 AM PDT
- In force
- 116 min
- Issued by
- NWS San Diego, CA
- Area
- Counties, with a storm outline in the text
County San Diego County, CA
The radar
The San Diego radar (KNKX), 44 km from the middle of the area, began a volume at 13:34 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, 1.6 hours before the alert went out and 55 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
- 94 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 84 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 181336 FFWSGX CAC073-181530- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 634 AM PDT MON OCT 18 2004 THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA THIS INCLUDES THE CITIES OF...VISTA...SAN MARCOS...OCEANSIDE... FALLBROOK...ESCONDIDO...CARLSBAD * UNTIL 830 AM PDT * AT 625 AM PDT...DOPPLER RADAR AND REMOTE RAIN GAGES INDICATED HEAVY RAIN ACROSS NORTHERN SAN DIEGO COUNTY WEST OF THE MOUNTAINS. * THE HEAVY SHOWERS PRODUCING FLASH FLOODING WILL BE NEAR... 8 MILES SOUTH OF FALLBROOK BY 645 AM PDT 9 MILES NORTH OF SAN MARCOS BY 650 AM PDT PAUMA VALLEY BY 750 AM PDT PALOMAR MOUNTAIN...6 MILES SOUTHWEST OF OAK GROVE AND 6 MILES NORTHWEST OF LAKE HENSHAW BY 830 AM PDT 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. 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. LAT...LON 3342 11756 3308 11733 3315 11669 3340 11679 $$ ATKIN
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 8:19 AM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Oct 18, 10:37 AM PDT | Flash Flood Warning | SGX | San Diego | 3 hr |
| Oct 18, 1:35 PM PDT | Flash Flood Warning | SGX | San Diego | 115 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.