Alert archive / California / Flash Flood Warnings in 2001
Flash Flood Warning 13, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Sep 2, 2001, 3:55 PM PDT for San Bernardino 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
- Sep 2, 2001, 3:55 PM PDT (22:55 UTC)
- Expired
- Sep 2, 2001, 6:00 PM PDT
- In force
- 2 hr
- Issued by
- NWS San Diego, CA
- Area
- Whole counties
County San Bernardino County, CA
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 10.9 hours before the alert went out and 198 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
- -160 J/kg
- Mixed-layer LCL
- 2798 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -129 m²/s²
- 0-3 km storm-relative helicity
- -59 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 022257 FFWSAN CAC071-030100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 355 PM PDT SUN SEP 2 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... MOUNTAINS OF SOUTHWESTERN SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA THIS INCLUDES THE LOCATIONS OF FOREST FALLS AND OAK GLEN * UNTIL 600 PM PDT * AT 350 PM PDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 12 MILES EAST OF YUCAIPA...OR BETWEEN FOREST FALLS AND OAK GLEN. * THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR FOREST FALLS AND OAK GLEN THROUGH 500 PM PDT...AND POSSIBLY BEYOND. MILL CREEK WILL SEE A SIGNIFICANT RISE IN THE WATER LEVEL...AND FLOODING IS EXPECTED ALONG PARTS OF THIS CREEK...ESPECIALLY NEAR FOREST FALLS. 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 3402 11706 3404 11661 3424 11654 3420 11703 MAXWELL
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 1:28 PM PDT | Flash Flood Warning | SGX | San Diego | 92 min |
| Sep 2, 4:34 PM PDT | Flash Flood Warning | SGX | Riverside | 86 min |
Nearby
Flash Flood Warnings in California, 2001Every flash flood warning in 2001
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.