Alert archive / California / Red Flag Warnings in 2007
Red Flag Warning 21, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Jul 10, 2007, 8:21 AM PDT for Inyo County, Tulare County, California; Esmeralda County, Nye County, Nevada. It took effect at Jul 10, 2007, 2:00 PM PDT. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 10, 2007, 8:21 AM PDT (15:21 UTC)
- In effect from
- Jul 10, 2007, 2:00 PM PDT
- Expired
- Jul 10, 2007, 5:06 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
Counties Inyo County, CA, Tulare County, CA, Esmeralda County, NV, Nye County, NV
The radar
The San Joaquin Valley radar (KHNX), 205 km from the middle of the area, began a volume at 15:25 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
Mercury/Desert R, NV (KDRA), launched 12:00Z, 3.4 hours before the alert went out and 152 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
- 6038 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS85 KVEF 101521 RFWVEF RED FLAG WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 821 AM PDT TUE JUL 10 2007 ...RED FLAG WARNING FOR TUESDAY THROUGH EARLY WEDNESDAY MORNING FOR EASTERN CALIFORNIA AND WESTERN NEVADA DUE TO DRY LIGHTNING... .SCATTERED DRY LIGHTNING WILL DEVELOP AS A MINOR DISTURBANCE MOVES NORTH THROUGH CALIFORNIA TUESDAY. CAZ226-227-102330- /O.CAN.KVEF.FW.A.0012.000000T0000Z-070710T2100Z/ /O.NEW.KVEF.FW.W.0021.070710T2100Z-070711T1200Z/ OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK- 821 AM PDT TUE JUL 10 2007 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY... ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY. THIS UPGRADES AND REPLACES THE FIRE WEATHER WATCH. A SMALL DISTURBANCE IS MOVING NORTH FROM SOUTHERN CALIFORNIA THIS MORNING AND IS BRINGING WITH IS MOIST AND UNSTABLE AIR TODAY AND TONIGHT AS IT MOVES THROUGH SOUTHERN AND CENTRAL CALIFORNIA. THIS SYSTEM WILL BE THE MAIN TRIGGER FOR THUNDERSTORMS. THE ATMOSPHERE WILL BE VERY DRY IN THE LOWER LEVELS DURING THE THUNDERSTORM ACTIVITY...RESULTING IN THE POTENTIAL FOR A DRY LIGHTNING EVENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. IN THIS CASE LIGHTNING WILL INITIATE FIRES WITHOUT ANY RAIN TO HELP SUPPRESS THE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ NVZ460-462-102330- /O.UPG.KVEF.FW.A.0012.070710T1700Z-070711T0300Z/ /O.NEW.KVEF.FW.W.0021.070710T2100Z-070711T1200Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH- 821 AM PDT TUE JUL 10 2007 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY... ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY. THIS UPGRADES AND REPLACES THE FIRE WEATHER WATCH. A SMALL DISTURBANCE IS MOVING NORTH FROM SOUTHERN CALIFORNIA THIS MORNING AND IS BRINGING WITH IS MOIST AND UNSTABLE AIR TODAY AND TONIGHT AS IT MOVES THROUGH SOUTHERN AND CENTRAL CALIFORNIA. THIS SYSTEM WILL BE THE MAIN TRIGGER FOR THUNDERSTORMS. THE ATMOSPHERE WILL BE VERY DRY IN THE LOWER LEVELS DURING THE THUNDERSTORM ACTIVITY...RESULTING IN THE POTENTIAL FOR A DRY LIGHTNING EVENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. IN THIS CASE LIGHTNING WILL INITIATE FIRES WITHOUT ANY RAIN TO HELP SUPPRESS THE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
2 follow-up statements
000 WWUS85 KVEF 101540 CCA RFWVEF RED FLAG WARNING...TYPO IN BASIS PARAGRAPH CORRECTED. NATIONAL WEATHER SERVICE LAS VEGAS NV 839 AM PDT TUE JUL 10 2007 ...RED FLAG WARNING FOR TUESDAY THROUGH EARLY WEDNESDAY MORNING FOR EASTERN CALIFORNIA AND WESTERN NEVADA DUE TO DRY LIGHTNING... .SCATTERED DRY LIGHTNING WILL DEVELOP AS A MINOR DISTURBANCE MOVES NORTH THROUGH CALIFORNIA TUESDAY. CAZ226-227-102330- /O.CAN.KVEF.FW.A.0012.000000T0000Z-070710T2100Z/ /O.NEW.KVEF.FW.W.0021.070710T2100Z-070711T1200Z/ OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK- 839 AM PDT TUE JUL 10 2007 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY... ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY. THIS UPGRADES AND REPLACES THE FIRE WEATHER WATCH. AN UPPER LEVEL DISTURBANCE IS MOVING NORTH FROM SOUTHERN CALIFORNIA THIS MORNING AND IS BRINGING WITH IT MOIST AND UNSTABLE AIR TODAY AND TONIGHT AS IT MOVES THROUGH SOUTHERN AND CENTRAL CALIFORNIA. THIS SYSTEM WILL BE THE MAIN TRIGGER FOR THUNDERSTORMS. THE ATMOSPHERE WILL BE VERY DRY IN THE LOWER LEVELS DURING THE THUNDERSTORM ACTIVITY...RESULTING IN THE POTENTIAL FOR A DRY LIGHTNING EVENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. IN THIS CASE LIGHTNING WILL INITIATE FIRES WITHOUT ANY RAIN TO HELP SUPPRESS THE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ NVZ460-462-102330- /O.UPG.KVEF.FW.A.0012.070710T1700Z-070711T0300Z/ /O.NEW.KVEF.FW.W.0021.070710T2100Z-070711T1200Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH- 839 AM PDT TUE JUL 10 2007 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY... ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT WEDNESDAY. THIS UPGRADES AND REPLACES THE FIRE WEATHER WATCH. AN UPPER LEVEL DISTURBANCE IS MOVING NORTH FROM SOUTHERN CALIFORNIA THIS MORNING AND IS BRINGING WITH IT MOIST AND UNSTABLE AIR TODAY AND TONIGHT AS IT MOVES THROUGH CENTRAL CALIFORNIA AND WESTERN NEVADA. THIS SYSTEM WILL BE THE MAIN TRIGGER FOR THUNDERSTORMS. THE ATMOSPHERE WILL BE VERY DRY IN THE LOWER LEVELS DURING THE THUNDERSTORM ACTIVITY...RESULTING IN THE POTENTIAL FOR A DRY LIGHTNING EVENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. IN THIS CASE LIGHTNING WILL INITIATE FIRES WITHOUT ANY RAIN TO HELP SUPPRESS THE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS85 KVEF 110006 RFWVEF RED FLAG WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 506 PM PDT TUE JUL 10 2007 CAZ226-227-NVZ460-462-110115- /O.CAN.KVEF.FW.W.0021.000000T0000Z-070711T1200Z/ OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK- ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH- 506 PM PDT TUE JUL 10 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELED THE RED FLAG WARNING FOR DRY LIGHTNING WHICH WAS IN EFFECT FOR INYO...ESMERALDA...AND MUCH OF NYE COUNTY. THE THREAT FOR THUNDERSTORMS HAS MOVED AWAY TO THE NORTH AND WEST OF THE WARNED AREA. THEREFORE...THE RED FLAG WARNING HAS BEEN CANCELED. $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 1:20 PM PDT | Flash Flood Watch | VEF | San Bernardino | 23 hr |
Nearby
Red Flag Warnings in California, 2007Red Flag Warnings in Nevada, 2007Every red flag warning in 2007
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.