Alert archive / Arizona / Red Flag Warnings in 2011
Red Flag Warning 10, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Jun 15, 2011, 4:42 AM MST for Mohave County, Arizona. It took effect at Jun 16, 2011, 11:00 AM MST. It was in force for . No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 15, 2011, 4:42 AM MST (11:42 UTC)
- In effect from
- Jun 16, 2011, 11:00 AM MST
- Expired
- Jun 15, 2011, 10:13 PM MST
- In force
- Issued by
- NWS Las Vegas, NV
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 102 km from the middle of the area, began a volume at 11:43 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 00:00Z, 11.7 hours before the alert went out and 177 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
- 5252 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
283 WWUS85 KVEF 151142 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 442 AM PDT WED JUN 15 2011 .SOUTHWEST WINDS WILL INCREASE THURSDAY AS AN AREA OF LOW PRESSURE SETTLES IN ACROSS THE WESTERN STATES. THE INCREASE IN WIND ALONG WITH LOW HUMIDITY VALUES AND DRY FUELS WILL BE FAVORABLE FOR THE POTENTIAL OF RAPID FIRE GROWTH. AZZ102-152300- /O.UPG.KVEF.FW.A.0011.110616T2200Z-110617T0300Z/ /O.NEW.KVEF.FW.W.0010.110616T1800Z-110617T0300Z/ NORTHWEST DESERTS/NORTHWEST PLATEAU- 442 AM MST WED JUN 15 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 102... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTH WIND 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. * HUMIDITY...MINIMUM VALUES 7 TO 12 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. 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. && $$ NVZ461>465-152300- /O.NEW.KVEF.FW.A.0012.110616T1900Z-110617T0300Z/ LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH- SHEEP RANGE-SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- 442 AM PDT WED JUN 15 2011 ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 461...462...463...464 AND 465... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE WEATHER WATCH FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. * AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONES 461...462... 463...464 AND 465. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTHWEST WIND UP TO 10 MPH INCREASING TO 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * HUMIDITY...MINIMUM VALUES 6 TO 11 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ AZZ101-NVZ466-152300- /O.NEW.KVEF.FW.A.0012.110616T1900Z-110617T0300Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LAKE MEAD NRA/COLORADO RIVER- NV SIDE- 442 AM PDT WED JUN 15 2011 /442 AM MST WED JUN 15 2011/ ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 101 AND 466... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE WEATHER WATCH FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. * AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101. IN NEVADA... FIRE WEATHER ZONE 466. THE STRONGEST WINDS WILL OCCUR IN THE NORTHERN HALF OF FIRE WEATHER ZONE 101...OR NORTH OF OF STATE ROUTE 68. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTH WIND UP TO 10 MPH INCREASING TO 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * HUMIDITY...MINIMUM VALUES 5 TO 10 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ PIERCE
2 follow-up statements
919 WWUS85 KVEF 160442 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 942 PM PDT WED JUN 15 2011 .SOUTHWEST WINDS WILL INCREASE THURSDAY AS AN AREA OF LOW PRESSURE SETTLES IN ACROSS THE WESTERN STATES. THE INCREASE IN WIND ALONG WITH LOW HUMIDITY VALUES AND DRY FUELS WILL BE FAVORABLE FOR THE POTENTIAL OF RAPID FIRE GROWTH. AZZ102-161300- /O.CAN.KVEF.FW.W.0010.110616T1800Z-110617T0300Z/ /O.CON.KVEF.FW.W.0011.110616T1800Z-110617T0300Z/ NORTHWEST DESERTS/NORTHWEST PLATEAU- 942 PM MST WED JUN 15 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY FOR ARIZONA FIRE WEATHER ZONE 102 DUE TO GUSTY SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY... * AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTH WIND 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. * HUMIDITY...MINIMUM VALUES 7 TO 12 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ AZZ101-NVZ461>466-161300- /O.UPG.KVEF.FW.A.0012.110616T1900Z-110617T0300Z/ /O.EXB.KVEF.FW.W.0011.110616T1900Z-110617T0300Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 942 PM PDT WED JUN 15 2011 /942 PM MST WED JUN 15 2011/ ...RED FLAG WARNING IN EFFECT FROM NOON PDT /NOON MST/ TO 8 PM PDT /8 PM MST/ THURSDAY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR MUCH OF SOUTHERN NEVADA AND THE LAKE MEAD NATIONAL RECREATION AREA FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON PDT /NOON MST/ TO 8 PM PDT /8 PM MST/ THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONES 461...462... 463...464 AND 465. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTHWEST WIND UP TO 10 MPH INCREASING TO 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * HUMIDITY...MINIMUM VALUES 6 TO 11 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. 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. && $$
548 WWUS85 KVEF 160514 CCA RFWVEF URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE LAS VEGAS NV 1013 PM PDT WED JUN 15 2011 .SOUTHWEST WINDS WILL INCREASE THURSDAY AS AN AREA OF LOW PRESSURE SETTLES IN ACROSS THE WESTERN STATES. THE INCREASE IN WIND ALONG WITH LOW HUMIDITY VALUES AND DRY FUELS WILL BE FAVORABLE FOR THE POTENTIAL OF RAPID FIRE GROWTH. AZZ102-161345- /O.CAN.KVEF.FW.W.0010.110616T1800Z-110617T0300Z/ /O.CON.KVEF.FW.W.0011.110616T1800Z-110617T0300Z/ NORTHWEST DESERTS/NORTHWEST PLATEAU- 1013 PM MST WED JUN 15 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY FOR ARIZONA FIRE WEATHER ZONE 102 DUE TO GUSTY SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY... * AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTH WIND 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. * HUMIDITY...MINIMUM VALUES 7 TO 12 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ AZZ101-NVZ461>466-161345- /O.UPG.KVEF.FW.A.0012.110616T1900Z-110617T0300Z/ /O.COR.KVEF.FW.W.0011.110616T1900Z-110617T0300Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 1013 PM PDT WED JUN 15 2011 /1013 PM MST WED JUN 15 2011/ ...RED FLAG WARNING IN EFFECT FROM NOON PDT /NOON MST/ TO 8 PM PDT /8 PM MST/ THURSDAY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR MUCH OF SOUTHERN NEVADA AND THE LAKE MEAD NATIONAL RECREATION AREA FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON PDT /NOON MST/ TO 8 PM PDT /8 PM MST/ THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONES 461...462... 463...464...465...AND 466. IN ARIZONA...FIRE ZONE 101. * TIMING...WINDS WILL INCREASE BY LATE MORNING...BE STRONGEST IN THE AFTERNOON AND EARLY EVENING HOURS...BEFORE DECREASING IN THE LATE EVENING HOURS. * WIND...SOUTHWEST WIND UP TO 10 MPH INCREASING TO 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * HUMIDITY...MINIMUM VALUES 6 TO 11 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR. 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. && $$
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 4:42 AM MST | Fire Weather Watch | VEF | Mohave | 18 hr |
| Jun 15, 3:14 PM MST | Red Flag Warning | VEF | Mohave | 29 hr |
Nearby
Red Flag Warnings in Arizona, 2011Every red flag warning in 2011
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.