Alert archive / California / Red Flag Warnings in 2012
Red Flag Warning 25, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Jul 12, 2012, 6:27 AM PDT for Inyo County, Tulare County, California. It took effect at Jul 12, 2012, 12:00 PM PDT. It was in force for 10 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 12, 2012, 6:27 AM PDT (13:27 UTC)
- In effect from
- Jul 12, 2012, 12:00 PM PDT
- Expired
- Jul 12, 2012, 10:00 PM PDT
- In force
- 10 hr
- Issued by
- NWS Las Vegas, NV
Counties Inyo County, CA, Tulare County, CA
The radar
The San Joaquin Valley radar (KHNX), 137 km from the middle of the area, began a volume at 13:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 12, 4:26 PM PDT | FLASH FLOOD | 4 Sw Stovepipe Wells, CA | CALIFORNIA HIGHWAY PATROL REPORTED STATE ROUTE 190 WAS CLOSED AT MILE MARKER 117 DUE TO FLASH FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 1.5 hours before the alert went out and 230 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
- 3775 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
525 WWUS85 KVEF 121327 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 627 AM PDT THU JUL 12 2012 CAZ226-122200- /O.UPG.KVEF.FW.A.0018.120712T1900Z-120713T0500Z/ /O.NEW.KVEF.FW.W.0025.120712T1900Z-120713T0500Z/ OWENS VALLEY/SOUTHERN INYO FOREST- 627 AM PDT THU JUL 12 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM PDT THIS EVENING FOR DRY THUNDERSTORMS FOR FIRE WEATHER ZONE 226... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS...WHICH IS IN EFFECT FROM NOON TODAY TO 10 PM PDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS VALLEY/SOUTHERN INYO FOREST. * TIMING...NOON THURSDAY THROUGH 10 PM THURSDAY EVENING. * LIGHTNING ACTIVITY LEVEL...6 * WIND...SOUTH 10 TO 15 MPH WITH LOCAL UPSLOPE. GUSTS TO 50 MPH WILL BE POSSIBLE WITH STORMS. * IMPACTS...A THREAT OF FIRE STARTS FROM LIGHTNING WITH LITTLE RAIN AND FIRE SPREAD DUE TO GUSTY WINDS ASSOCIATED WITH STORMS. ALTHOUGH SOME STORMS ARE POSSIBLE LATER THURSDAY NIGHT THROUGH FRIDAY...THOSE STORMS SHOULD PRODUCE WETTING RAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/LASVEGAS
1 follow-up statement
390 WWUS85 KVEF 122209 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 309 PM PDT THU JUL 12 2012 CAZ226-130500- /O.CON.KVEF.FW.W.0025.000000T0000Z-120713T0500Z/ OWENS VALLEY/SOUTHERN INYO FOREST- 309 PM PDT THU JUL 12 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR DRY THUNDERSTORMS FOR FIRE WEATHER ZONE 226... * AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS VALLEY/SOUTHERN INYO FOREST. * TIMING...THROUGH 10 PM THURSDAY EVENING. * LIGHTNING ACTIVITY LEVEL...6 * WIND...SOUTH 10 TO 15 MPH WITH LOCAL UPSLOPE. GUSTS TO 50 MPH WILL BE POSSIBLE WITH STORMS. * IMPACTS...AN INCREASED THREAT OF FIRE STARTS FROM LIGHTNING WITH LITTLE RAIN AND FIRE SPREAD DUE TO GUSTY WINDS ASSOCIATED WITH STORMS. ALTHOUGH SOME STORMS ARE POSSIBLE LATER TONIGHT THROUGH FRIDAY...THESE STORMS SHOULD PRODUCE WETTING RAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ STACHELSKI HTTP://WEATHER.GOV/LASVEGAS
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 10:56 AM PDT | Flash Flood Watch | VEF | Inyo, San Bernardino | 61 hr |
Nearby
Red Flag Warnings in California, 2012Every red flag 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.