Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Hanford, CA
NWS Hanford, CA issued this flash flood warning at Aug 30, 2012, 4:29 PM PDT for Kern County, California. It was in force for 96 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 30, 2012, 4:29 PM PDT (23:29 UTC)
- Expired
- Aug 30, 2012, 6:05 PM PDT
- In force
- 96 min
- Issued by
- NWS Hanford, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Kern County, CA
The nearest sounding before it
Edwards AFB, CA (KEDW), launched 12:00Z, 11.5 hours before the alert went out and 11 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
- 2894 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
969
WGUS56 KHNX 302329
FFWHNX
CAC029-310230-
/O.NEW.KHNX.FF.W.0002.120830T2329Z-120831T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
429 PM PDT THU AUG 30 2012
THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN KERN COUNTY IN CENTRAL CALIFORNIA INCLUDING ROGERS
DRY LAKE ON EDWARDS AIR FORCE BASE...
* UNTIL 730 PM PDT
* AT 417 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER
MAINLY RURAL AREAS OF THE INDICATED COUNTY.
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 3482 11764 3482 11787 3500 11775 3499 11763
3495 11762 3483 11762
$$
SANGER
WEATHER.GOV/HANFORD1 follow-up statement
055
WGUS76 KHNX 310105
FFSHNX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
605 PM PDT THU AUG 30 2012
CAC029-310114-
/O.CAN.KHNX.FF.W.0002.000000T0000Z-120831T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KERN CA-
605 PM PDT THU AUG 30 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN KERN
COUNTY...
THE THUNDERSTORMS HAVE MOVED TO THE NORTHEAST OF EDWARDS AIR FORCE
BASE AND INTO SAN BERNARDINO COUNTY.
LAT...LON 3482 11764 3482 11787 3500 11775 3499 11763
3495 11762 3483 11762
$$
SANGER
WEATHER.GOV/HANFORDThe office that day
Everything else NWS Hanford, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 1:28 PM PDT | Special Weather Statement | HNX | 77 min | |
| Aug 30, 2:51 PM PDT | Special Weather Statement | HNX | 39 min | |
| Aug 30, 3:26 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 34 min |
| Aug 30, 4:04 PM PDT | Areal Flood Advisory | HNX | Kern | 6 hr |
Nearby
Flash Flood Warnings in California, 2012Every flash flood warning in 2012
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.