Alert archive / California / Flash Flood Warnings in 2005
Flash Flood Warning 113, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Oct 17, 2005, 11:57 PM PDT for Riverside 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 outline as issued.
The facts
- Issued
- Oct 17, 2005, 11:57 PM PDT (06:57 UTC)
- Expired
- Oct 18, 2005, 2:00 AM PDT
- In force
- 2 hr
- Issued by
- NWS San Diego, CA
- Area
- Counties, with a storm outline in the text
County Riverside County, CA
The radar
The San Diego radar (KNKX), 108 km from the middle of the area, began a volume at 06:58 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, 7.0 hours before the alert went out and 128 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
- 994 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 97 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 180701
FFWSGX
CAC065-180900-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
1157 PM PDT MON OCT 17 2005
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL RIVERSIDE COUNTY IN SOUTHEAST CALIFORNIA
THIS INCLUDES THE CITIES OF...PALM DESERT...INDIO...
CATHEDRAL CITY...AND PALM SPRINGS.
* UNTIL 200 AM PDT
* AT 1149 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM NEAR OASIS...OR ABOUT 16 MILES
SOUTHEAST OF INDIO...MOVING NORTHWEST AT 15 MPH.
* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE NEAR...
COACHELLA BY 1230 AM PDT
LA QUINTA BY 1240 AM PDT
INDIO BY 1245 AM PDT
BERMUDA DUNES AND PALM DESERT COUNTRY BY 1255 AM PDT
6 MILES NORTHEAST OF PALM DESERT BY 100 AM PDT
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
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 3345 11616 3344 11599 3357 11599 3374 11618
3384 11636 3383 11653 3370 11657
$$
MACKECHNIE2 follow-up statements
000
WGUS76 KSGX 180831
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
127 AM PDT TUE OCT 18 2005
CAC065-180900-
RIVERSIDE CA-
127 AM PDT TUE OCT 18 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 200 AM PDT FOR CENTRAL
RIVERSIDE COUNTY...
THE MAIN THUNDERSTORM HAS PASSED THROUGH THE AREA TOWARDS THE WEST.
OVER ONE INCH OF RAIN FELL FROM THIS STORM SO SOME STREAMS AND
AND LOW LYING AREAS REMAIN VULNERABLE TO FLOODING OR DEBRIS FLOWS
THOUGH 2 AM. ANOTHER THUNDERSTORM IS EXPECTED TO CROSS OVER THE AREA
WITHIN THE HOUR...BUT IT DOES NOT APPEAR TO BE AS POTENT.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
LAT...LON 3345 11616 3344 11599 3357 11599 3374 11618
3384 11636 3383 11653 3370 11657
$$
MACKECHNIE000
WGUS76 KSGX 180859
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
157 AM PDT TUE OCT 18 2005
CAC065-180907-
RIVERSIDE CA-
157 AM PDT TUE OCT 18 2005
...THE FLASH FLOOD WARNING FOR CENTRAL RIVERSIDE COUNTY EXPIRES AT
200 AM PDT...
HEAVY SHOWERS AND THE THREAT OF FLOODING HAVE ENDED. SCATTERED LIGHT
SHOWERS WILL OCCUR AT TIMES OVERNIGHT.
LAT...LON 3345 11616 3344 11599 3357 11599 3374 11618
3384 11636 3383 11653 3370 11657
$$
MACKECHNIENearby
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.