Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 21, NWS Hanford, CA
NWS Hanford, CA issued this flash flood warning at Feb 11, 2017, 2:08 PM PST for Kern County, California. It was in force for 67 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
- Feb 11, 2017, 2:08 PM PST (22:08 UTC)
- Expired
- Feb 11, 2017, 3:15 PM PST
- In force
- 67 min
- Issued by
- NWS Hanford, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Kern County, CA
The radar
The Edwards AFB radar (KEYX), 42 km from the middle of the area, began a volume at 22:09 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
Las Vegas, NV (KVEF), launched 12:00Z, 10.1 hours before the alert went out and 217 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
- 1397 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
278
WGUS56 KHNX 112208
FFWHNX
CAC029-112315-
/O.NEW.KHNX.FF.W.0021.170211T2208Z-170211T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Joaquin Valley CA
208 PM PST SAT FEB 11 2017
The National Weather Service in Hanford CA has issued a
* Flash Flood Warning for...
East central Kern County in central California...
* Until 315 PM PST
* At 207 PM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly.
* Some locations that will experience flooding include...
Randsburg and Laurel Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3538 11771 3560 11771 3561 11764 3556 11763
3538 11763 3537 11764
$$
Riley2 follow-up statements
449
WGUS76 KHNX 112246
FFSHNX
Flash Flood Statement
National Weather Service San Joaquin Valley CA
246 PM PST SAT FEB 11 2017
CAC029-112315-
/O.CON.KHNX.FF.W.0021.000000T0000Z-170211T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kern CA-
246 PM PST SAT FEB 11 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM PST FOR
EASTERN KERN COUNTY...
At 243 PM PST, Doppler radar indicated heavy rain across the warned
area. Flash flooding is expected to begin shortly. The heaviest
rain is occuring along US 395 just south of Ridgecrest.
Some locations that will experience flooding include...
Laurel Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3560 11771 3561 11764 3556 11763 3546 11763
3547 11771
$$
Riley962
WGUS76 KHNX 112306
FFSHNX
Flash Flood Statement
National Weather Service San Joaquin Valley CA
306 PM PST SAT FEB 11 2017
CAC029-112315-
/O.EXP.KHNX.FF.W.0021.000000T0000Z-170211T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kern CA-
306 PM PST SAT FEB 11 2017
...THE FLASH FLOOD WARNING FOR EASTERN KERN COUNTY WILL EXPIRE AT 315
PM PST...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3560 11771 3561 11764 3556 11763 3546 11763
3547 11771
$$
RileyThe office that day
Everything else NWS Hanford, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 4:09 PM PST | Areal Flood Advisory | HNX | Fresno, Madera | 4 hr |
| Feb 10, 10:18 PM PST | Flash Flood Warning | HNX | Mariposa, Merced | 28 hr |
| Feb 11, 6:52 AM PST | Areal Flood Warning | HNX | Fresno, Madera | 24 hr |
Nearby
Flash Flood Warnings in California, 2017Every flash flood warning in 2017
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.