Alert archive / California / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 68, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Oct 11, 2012, 6:47 PM PDT for Inyo County, California. It was in force for 12 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, 6:47 PM PDT (01:47 UTC)
- Expired
- Oct 11, 2012, 6:59 PM PDT
- In force
- 12 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Inyo County, CA
The nearest sounding before it
Las Vegas, NV (KVEF), launched 00:00Z, 1.8 hours before the alert went out and 132 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.
424 WUUS55 KVEF 120147 SVRVEF CAC027-120230- /O.NEW.KVEF.SV.W.0068.121012T0147Z-121012T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 647 PM PDT THU OCT 11 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL INYO COUNTY IN EASTERN CALIFORNIA... * UNTIL 730 PM PDT. * AT 643 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND NICKEL SIZE HAIL. THIS STORM WAS LOCATED OVER CENTRAL INYO COUNTY...OR 6 MILES SOUTH OF FURNACE CREEK...AND WAS MOVING NORTHWEST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF CENTRAL INYO COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS CAPABLE OF PRODUCING LARGE HAIL THAT CAN CAUSE INJURY AND DAMAGE PROPERTY. IN ADDITION...STRONG WINDS AND LIGHTNING ARE LIKELY. LIGHTNING CAN KILL! TAKE SHELTER IN A STURDY BUILDING. IF IT IS SAFE TO DO SO...TAKE APPROPRIATE ACTIONS TO PROTECT VEHICLES AND PROPERTY. REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...NWSVEGAS. && LAT...LON 3638 11716 3652 11709 3640 11681 3629 11686 TIME...MOT...LOC 0146Z 122DEG 13KT 3637 11688 $$ KENNEDY
1 follow-up statement
197 WWUS55 KVEF 120159 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 659 PM PDT THU OCT 11 2012 CAC027-120210- /O.CAN.KVEF.SV.W.0068.000000T0000Z-121012T0230Z/ INYO CA- 659 PM PDT THU OCT 11 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL INYO COUNTY IS CANCELLED... LAT...LON 3638 11716 3652 11709 3640 11681 3629 11686 TIME...MOT...LOC 0200Z 122DEG 13KT 3640 11693 $$ KENNEDY
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 5:02 PM PDT | Flash Flood Warning | VEF | Inyo | 88 min |
| 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, 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
Severe Thunderstorm Warnings in California, 2012Every severe thunderstorm 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.