Alert archive / California / Flash Flood Warnings in 2005
Flash Flood Warning 101, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Aug 8, 2005, 3:00 PM PDT for San Diego County, California. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 8, 2005, 3:00 PM PDT (22:00 UTC)
- Expired
- Aug 8, 2005, 6:00 PM PDT
- In force
- 3 hr
- 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), 55 km from the middle of the area, began a volume at 22:03 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 |
|---|---|---|---|
| Aug 8, 4:09 PM PDT | FLASH FLOOD | 6 W Ranchita, CA | ONE VEHICLE BEING SWEPT AWAY AT SAN FELIPE RD AND MONTEZUMA VALLEY RD. THREE VEHICLES ARE ALSO REPORTED TRAPPED IN MUD. |
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, 10.0 hours before the alert went out and 72 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
- 12 J/kg
- Mixed-layer CIN
- -653 J/kg
- Mixed-layer LCL
- 1027 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 25 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 082206
FFWSGX
CAC073-090100-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
300 PM PDT MON AUG 8 2005
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA
* UNTIL 600 PM PDT
* AT 253 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM THUNDERSTORMS DEVELOPING OVER THE SAN DIEGO
COUNTY MOUNTAINS STRETCHING FROM PALOMAR MOUNTAINS TO NEAR WARNER
SPRINGS. OTHER STRONG THUNDERSTORMS WERE DEVELOPING NEAR JULIAN
AND POTRERO.
* THE THUNDERSTORM WERE NEARLY STATIONARY.
HEAVY RAIN IS EXPECTED TO CONTINUE OVER THE AREA...AND WILL PRODUCE
LOCALLY GUSTY WINDS AND SMALL HAIL AS WELL.
DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER
CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.
LAT...LON 3262 11614 3312 11653 3342 11615 3342 11700
3303 11669 3259 11654
$$
SMALL2 follow-up statements
000
WGUS76 KSGX 082340
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
435 PM PDT MON AUG 8 2005
CAC073-090100-
SAN DIEGO CA-
435 PM PDT MON AUG 8 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 600 PM PDT FOR EASTERN SAN
DIEGO COUNTY...
AT 427 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING FROM THE WARNER
SPRINGS AREA SOUTH TO NEAR CUYAMACA PEAK...THEN EAST TO NEAR AGUA
CALIENTE SPRINGS. HIGHWAY S-2 AND HIGHWAY S-78 NEAR BANNER WILL BE
AFFECTED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARNER
SPRINGS...CUYAMACA PEAK...BANNER...AND AGUA CALIENTE SPRINGS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
LAT...LON 3262 11612 3343 11609 3342 11700 3303 11669
3259 11654
$$
SMALL000 WGUS76 KSGX 090058 FFSSGX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 553 PM PDT MON AUG 8 2005 CAC073-090115- SAN DIEGO CA- 553 PM PDT MON AUG 8 2005 ...THE FLASH FLOOD WARNING FOR EASTERN SAN DIEGO COUNTY IS CANCELLED... AT 550 PM...SHOWERS AND THUNDERSTORMS WERE DIMINISHING OVER EASTERN SAN DIEGO COUNTY. FLOODING WILL SUBSIDE DURING THE NEXT FEW HOURS IN THE AFFECTED AREAS. MOTORISTS SHOULD BE ALERT FOR PONDING OF WATER ESPECIALLY NEAR CREEKS AND WASHES...AND IN LOW-LYING AREAS WITH POOR DRAINAGE. LAT...LON 3262 11612 3343 11609 3342 11700 3303 11669 3259 11654 $$ SMALL
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 3:22 AM PDT | Severe Thunderstorm Warning | SGX | Riverside | 41 min |
| Aug 8, 1:50 PM PDT | Flash Flood Warning | SGX | San Bernardino | 85 min |
| Aug 8, 2:26 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Aug 8, 3:08 PM PDT | Flash Flood Warning | SGX | San Bernardino | 97 min |
Nearby
Flash Flood Warnings in California, 2005Every flash flood warning in 2005
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.