Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 2, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Jan 5, 2016, 11:44 AM PST for Los Angeles 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, 11:44 AM PST (19:44 UTC)
- Expired
- Jan 5, 2016, 2:15 PM PST
- In force
- 3 hr
- Issued by
- NWS Los Angeles, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Los Angeles County, CA
The radar
The Santa Ana Mts radar (KSOX), 48 km from the middle of the area, began a volume at 19:46 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, 7.7 hours before the alert went out and 168 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.
733
WGUS56 KLOX 051944
FFWLOX
CAC037-052215-
/O.NEW.KLOX.FF.W.0002.160105T1944Z-160105T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OXNARD CA
1144 AM PST TUE JAN 5 2016
THE NATIONAL WEATHER SERVICE IN OXNARD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE COLBY...CABIN...AND WILLIAMS BURN AREAS OF EAST CENTRAL
LOS ANGELES COUNTY IN SOUTHWESTERN CALIFORNIA...
* UNTIL 215 PM PST
* AT 1140 AM PST...DOPPLER RADAR AND LOCAL RAIN GAUGES INDICATED
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING OF MUD AND
DEBRIS FLOW IS LIKELY.
* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
THE FOOTHILLS OF GLENDORA AND AZUZA...AS WELL AS HIGHWAY 39.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING FOR A RECENT BURN AREA MEANS THAT FLOODING AND
DEBRIS FLOWS ARE IMMINENT OR OCCURRING. RESIDENTS LIVING IN OR
IMMEDIATELY DOWNSTREAM SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT
LIFE AND PROPERTY. QUICKLY MOVE AWAY FROM THE BURN AREA ONLY IF IT IS
SAFE TO DO SO...OTHERWISE SHELTER IN PLACE AND MOVE TO A SECOND STORY
OR THE HIGHEST LOCATION IN YOUR HOME TO STAY OUT OF THE PATH OF
FAST-MOVING WATER AND DEBRIS FLOWS.
&&
LAT...LON 3413 11769 3413 11786 3417 11813 3432 11804
3432 11781 3428 11765
$$
KITTELL
MORE INFORMATION FROM THE USGS ON DEBRIS FLOWS AND THEIR IMPACTS CAN
BE FOUND AT HTTP://LANDSLIDES.USGS.GOV/RESEARCH/WILDFIRE2 follow-up statements
074
WGUS76 KLOX 052109
FFSLOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
109 PM PST TUE JAN 5 2016
CAC037-052215-
/O.CON.KLOX.FF.W.0002.000000T0000Z-160105T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES CA-
109 PM PST TUE JAN 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM PST FOR
THE COLBY...CABIN...AND WILLIAMS BURN AREAS OF EAST CENTRAL
LOS ANGELES COUNTY...
AT 1249 PM PST...DOPPLER RADAR INDICATED AREAS OF MODERATE RAIN
ACROSS THE WARNED AREA...WHICH SHOULD CONTINUE FOR NEXT HOUR BEFORE
OFF AND ON AGAIN SHOWERS FORM FOR THE REST OF THE DAY.
LAW ENFORCEMENT REPORTED A FEW INCHES OF WATER AND DEBRIS IN A HOME
ON RAINBOW DRIVE IN GLENDORA FROM THE EARLIER INTENSE RAINFALL...AS
WELL AS A ROAD CLOSURE ON SIERRA MADRE ROAD AT HICREST DUE TO
FLOODING.
SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE THE FOOTHILLS OF
GLENDORA AND AZUZA...AS WELL AS HIGHWAY 39.
RESIDENTS LIVING IN OR IMMEDIATELY DOWNSTREAM SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. QUICKLY MOVE AWAY FROM THE
BURN AREA ONLY IF IT IS SAFE TO DO SO...OTHERWISE SHELTER IN PLACE
AND MOVE TO A SECOND STORY OR THE HIGHEST LOCATION IN YOUR HOME TO
STAY OUT OF THE PATH OF FAST-MOVING WATER AND DEBRIS FLOWS.
LAT...LON 3413 11769 3413 11786 3417 11813 3432 11804
3432 11781 3428 11765
$$
KITTELL504
WGUS76 KLOX 052215
FFSLOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE OXNARD CA
212 PM PST TUE JAN 5 2016
CAC037-052222-
/O.EXP.KLOX.FF.W.0002.000000T0000Z-160105T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ANGELES CA-
212 PM PST TUE JAN 5 2016
...THE FLASH FLOOD WARNING FOR EAST CENTRAL LOS ANGELES COUNTY WILL
EXPIRE AT 215 PM PST...
THE HEAVY RAIN HAS ENDED IN THE WARNING AREA...AND FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. HOWEVER...SHOWERS ARE EXPECTED TO
CONTINUE AT TIMES THROUGH THIS EVENING WITH MAINLY LIGHT TO
LOCALLY MODERATE RAINFALL ACCUMULATIONS.
.
LAT...LON 3413 11769 3413 11786 3417 11813 3432 11804
3432 11781 3428 11765
$$
SMITHThe office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 5:13 PM PST | Wind Advisory | LOX | 15 hr | |
| Jan 4, 7:11 PM PST | Coastal Flood Advisory | LOX | Los Angeles | 65 hr |
| Jan 5, 4:41 AM PST | Areal Flood Advisory | LOX | Santa Barbara | 3 hr |
| Jan 5, 6:01 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Jan 5, 7:21 AM PST | Areal Flood Advisory | LOX | Santa Barbara | 3 hr |
| Jan 5, 8:05 AM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Jan 5, 9:32 AM PST | Flash Flood Warning | LOX | Ventura | 3 hr |
| Jan 5, 9:49 AM PST | Areal Flood Advisory | LOX | Los Angeles | 5 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.