Alert archive / California / Flash Flood Warnings in 2014
Flash Flood Warning 49, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Sep 16, 2014, 2:24 PM PDT for Riverside County, California. It was in force for 3 hr. 4 reports 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
- Sep 16, 2014, 2:24 PM PDT (21:24 UTC)
- Expired
- Sep 16, 2014, 5:15 PM PDT
- In force
- 3 hr
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Riverside County, CA
The radar
The Santa Ana Mts radar (KSOX), 49 km from the middle of the area, began a volume at 21:24 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 |
|---|---|---|---|
| Sep 16, 2:55 PM PDT | HEAVY RAIN 1 | 3 Nne Wildomar, CA | HEAVY RAIN. 2 OF WATER FLOWING ACROSS BUNDY CANYON ROAD AND HARVEST WAY EAST. |
| Sep 16, 4:00 PM PDT | FLASH FLOOD | 1 W Wildomar, CA | PHOTO POSTED TO FACEBOOK OF STREET FLOODING IN WILDOMAR |
| Sep 16, 4:00 PM PDT | FLASH FLOOD | 1 W Wildomar, CA | PHOTO POSTED TO FACEBOOK OF STREET FLOODING IN WILDOMAR...FLOW IN EXCESS OF 6 INCHES |
| Sep 16, 4:00 PM PDT | FLASH FLOOD | 1 W Wildomar, CA | PHOTO POSTED TO FACEBOOK OF STREET FLOODING IN WINDOMAR |
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, 9.4 hours before the alert went out and 92 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
- 8 J/kg
- Mixed-layer CIN
- -571 J/kg
- Mixed-layer LCL
- 2618 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
949
WGUS56 KSGX 162124 CCA
FFWSGX
CAC065-170015-
/O.NEW.KSGX.FF.W.0049.140916T2124Z-140917T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
224 PM PDT TUE SEP 16 2014
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA...
THIS INCLUDES THE CITIES OF...TEMECULA...HEMET...
* UNTIL 515 PM PDT
* AT 220 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A LINE OF THUNDERSTORMS STRECHING FROM 6 MILES
SOUTH OF HEMET WESTWARD TO WILDOMAR. THESE STORMS WERE NEARLY
STATIONARY.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VALLE
VISTA...SUN CITY...LAKE ELSINORE...EAST HEMET AND CANYON LAKE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3371 11742 3377 11686 3360 11686 3348 11701
3349 11735
$$
JT1 follow-up statement
629
WGUS76 KSGX 162350
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
450 PM PDT TUE SEP 16 2014
CAC065-170015-
/O.CON.KSGX.FF.W.0049.000000T0000Z-140917T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RIVERSIDE CA-
450 PM PDT TUE SEP 16 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR WEST
CENTRAL RIVERSIDE COUNTY...
AT 436 PM PDT...MEMBERS OF THE PUBLIC REPORTED FLOODED ROADWAYS
IN WILDOMAR. RADAR ESTIMATIONS OF ACCUMULATED RAINFALL WERE IN
EXCESS OF TWO INCHES. ALTHOUGH THE HEAVY RAIN HAS DISSIPATED...SOME
ROADS MAY REMAIN IMPASSABLE OVER THE NEXT COUPLE OF HOURS.
OTHER LOCATIONS IN THE WARNING INCLUDE VALLE VISTA...
SUN CITY...LAKELAND VILLAGE...LAKE ELSINORE...HEMET...AND CANYON LAKE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3371 11742 3377 11686 3360 11686 3348 11701
3349 11735
$$
JTThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 6:42 AM PDT | Beach Hazards Statement | SGX | San Diego | 61 hr |
| Sep 16, 1:18 PM PDT | Special Weather Statement | SGX | San Diego | 57 min |
| Sep 16, 1:27 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Sep 16, 1:39 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 51 min |
| Sep 16, 2:22 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Sep 16, 2:29 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 61 min |
| Sep 16, 3:00 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 4 hr |
| Sep 16, 3:27 PM PDT | Flash Flood Warning | SGX | Orange, Riverside | 3 hr |
| Sep 16, 3:29 PM PDT | Severe Thunderstorm Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 91 min |
| Sep 16, 4:34 PM PDT | Areal Flood Advisory | SGX | Riverside, San Bernardino | 3 hr |
Nearby
Flash Flood Warnings in California, 2014Every flash flood warning in 2014
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.