Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 216, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Oct 11, 2012, 5:02 PM PDT for Inyo County, California. It was in force for 88 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
- Oct 11, 2012, 5:02 PM PDT (00:02 UTC)
- Expired
- Oct 11, 2012, 6:30 PM PDT
- In force
- 88 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The nearest sounding before it
Las Vegas, NV (KVEF), launched 00:00Z, 0.0 hours before the alert went out and 212 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
- 305 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
952
WGUS55 KVEF 120002
FFWVEF
CAC027-120130-
/O.NEW.KVEF.FF.W.0216.121012T0002Z-121012T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
502 PM PDT THU OCT 11 2012
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL INYO COUNTY IN EASTERN CALIFORNIA...
* UNTIL 630 PM PDT.
* AT 448 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM 13 MILES EAST OF OLANCHA. THE
STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY.
* LOCATIONS IMPACTED INCLUDE...
OLANCHA. ALSO INCLUDED IS HIGHWAY 190 FROM THE JUNCTION OF HIGHWAY
395 TO 10 MILES EAST OF THE 395 JUNCTION AND PORTIONS OF HIGHWAY
395 NEAR OLANCHA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3618 11799 3631 11803 3641 11795 3626 11766
3617 11777
$$
JENSEN2 follow-up statements
543
WGUS75 KVEF 120048
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
548 PM PDT THU OCT 11 2012
CAC027-120130-
/O.CON.KVEF.FF.W.0216.000000T0000Z-121012T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
548 PM PDT THU OCT 11 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT FOR
CENTRAL INYO COUNTY...
AT 539 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS
LOCATED 7 MILES EAST OF OLANCHA. THE THUNDERSTORM WITH EXCESSIVE RAIN
WAS NEARLY STATIONARY. IN ADDITIONAL...THUNDERSTORMS ARE FORMING TO
THE SOUTH OF THE WARNED AREA AND ARE EXPECTED TO BRING ADDITIONAL
RAINFALL TO THE REGION BEFORE THIS WARNING EXPIRES.
LOCATIONS IMPACTED INCLUDE...
OLANCHA. ALSO INCLUDED IS HIGHWAY 190 FROM THE JUNCTION OF HIGHWAY
395 TO 10 MILES EAST OF THE 395 JUNCTION AND PORTIONS OF HIGHWAY
395 NEAR OLANCHA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3618 11799 3631 11803 3641 11795 3626 11766
3617 11777
$$
JENSEN321
WGUS75 KVEF 120124
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
624 PM PDT THU OCT 11 2012
CAC027-120132-
/O.EXP.KVEF.FF.W.0216.000000T0000Z-121012T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
624 PM PDT THU OCT 11 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 630 PM PDT FOR CENTRAL INYO
COUNTY...
SHOWERS AND THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA AND
ALTHOUGH ADDITIONAL RAINFALL MAY STILL MOVE OVER THE REGION LATER
THIS EVENING...ADDITIONAL HEAVY RAINFALL IS NOT EXPECTED. THUS WILL
ALLOW THE FLASH FLOOD WARNING TO EXPIRE AT 630 PM PDT THIS EVENING.
HOWEVER PERSONS TRAVELING IN THE VICINITY OF OLANCHA THIS EVENING
AND INTO TONIGHT SHOULD BE AWARE THAT PONDING OF WATER MAY BE
ENCOUNTERED. IN ADDITION...FLOWING WATER WILL LIKELY BE SEEN IN
NORMALLY DRY WASHES AND ACROSS LOW LYING AREAS .
LAT...LON 3618 11799 3631 11803 3641 11795 3626 11766
3617 11777
$$
JENSENThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 5:25 PM PDT | Flash Flood Warning | VEF | Inyo | 95 min |
| Oct 11, 5:25 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 35 min |
| Oct 11, 5:52 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 53 min |
| Oct 11, 6:47 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 12 min |
| Oct 11, 7:28 PM PDT | Flash Flood Warning | VEF | Inyo | 92 min |
| Oct 11, 8:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Oct 12, 12:03 AM PDT | Flash Flood Warning | VEF | Inyo | 87 min |
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.