Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Jan 5, 2016, 1:46 PM PST for Riverside County, San Diego County, California. It was in force for 3 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
- Jan 5, 2016, 1:46 PM PST (21:46 UTC)
- Expired
- Jan 5, 2016, 4:45 PM PST
- In force
- 3 hr
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Riverside County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 47 km from the middle of the area, began a volume at 21:47 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, 9.8 hours before the alert went out and 75 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
- 4 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
379
WGUS56 KSGX 052146
FFWSGX
CAC065-073-060045-
/O.NEW.KSGX.FF.W.0002.160105T2146Z-160106T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
146 PM PST TUE JAN 5 2016
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA...
NORTHWESTERN SAN DIEGO COUNTY IN SOUTHWESTERN CALIFORNIA...
* UNTIL 445 PM PST
* AT 145 PM PST...TRAINED WEATHER SPOTTERS REPORTED ROADS BEING
WASHED OUT AT SAN MATEO CANYON ROAD AND BASILONE ROAD DUE TO HEAVY
RAIN MOVING THROUGH THE AREA. THE HEAVY RAIN WILL LIKELY MOVE
THROUGH THE SOUTHERN SANTA ANA MOUNTAINS AND INTO LAKE ELSINORE
AND TEMECULA...WHERE FLASH FLOODING COULD OCCUR.
* SOME LOCATIONS THAT WILL LIKELY EXPERIENCE FLOODING INCLUDE...
TEMECULA...LAKE ELSINORE...CAMP PENDLETON...FALLBROOK...MURRIETA...
CAMP PENDLETON NORTH...SAN ONOFRE...MENIFEE...WILDOMAR AND CANYON
LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3342 11757 3349 11746 3370 11735 3370 11720
3347 11703 3333 11726 3327 11745 3332 11749
3338 11758
$$
HARRISON1 follow-up statement
717
WGUS76 KSGX 052343
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
343 PM PST TUE JAN 5 2016
CAC065-073-060045-
/O.CON.KSGX.FF.W.0002.000000T0000Z-160106T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RIVERSIDE CA-SAN DIEGO CA-
343 PM PST TUE JAN 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM PST FOR
RIVERSIDE AND NORTHWESTERN SAN DIEGO COUNTIES...
AT 340 PM PST...LOCAL LAW ENFORCEMENT REPORTED SEVERAL FLOODED AERAS
ALONG HIGHWAY 76. HEAVY RAIN HAS ENDED IN THE WARNING AREA BUT A FEW
SHOWERS WILL CONTINUE. LOCAL RUNOFF WILL CONTINUE TO CAUSE FLOODING
INTO CHANNELS AND DRY CREEKS. HEAVY RAIN CONTINUES IN NORTHERN SAN DIEGO
COUNTY.
SOME LOCATIONS THAT WILL LIKELY EXPERIENCE FLOODING INCLUDE...
TEMECULA...LAKE ELSINORE...CAMP PENDLETON...FALLBROOK...MURRIETA...
CAMP PENDLETON NORTH...SAN ONOFRE...MENIFEE...WILDOMAR AND CANYON
LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3342 11757 3349 11746 3370 11735 3370 11720
3347 11703 3333 11726 3327 11745 3332 11749
3338 11758
$$
TARDYThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 7:34 PM PST | Small Craft Advisory | SGX | 4 days | |
| Jan 5, 11:58 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino | 5 hr |
| Jan 5, 12:06 PM PST | Flash Flood Warning | SGX | Orange | 4 hr |
| Jan 5, 1:51 PM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Diego | 4 hr |
| Jan 5, 3:14 PM PST | Flash Flood Warning | SGX | San Diego | 3 hr |
Nearby
Flash Flood Warnings in California, 2016Every flash flood warning in 2016
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.