Alert archive / Nevada / Red Flag Warnings in 2012

Red Flag Warning 14, NWS Las Vegas, NV

May 23, 2012Inyo County, San Bernardino County, Tulare County, California; 4 counties in Nevada; Mohave County, Arizona

NWS Las Vegas, NV issued this red flag warning at May 23, 2012, 3:12 PM PDT for Inyo County, San Bernardino County, Tulare County, California; 4 counties in Nevada; Mohave County, Arizona. It took effect at May 24, 2012, 2:00 PM PDT. It was in force for 33 hr. 24 reports 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
May 23, 2012, 3:12 PM PDT (22:12 UTC)
In effect from
May 24, 2012, 2:00 PM PDT
Expired
May 25, 2012, 11:00 PM PDT
In force
33 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Tulare County, CA, Clark County, NV, Esmeralda County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 160 km from the middle of the area, began a volume at 22:16 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

TimeReportWhereRemark
May 25, 9:00 AM PDTNON-TSTM WND GST 622 Se Yucca Flat (Nts Sr, NVDECON UNDERGROUND DISPOSAL MESONET SITE AT AN ELEVATION OF 3916 FEET MEASURED A 62 MPH WIND GUST.
May 25, 9:15 AM PDTNON-TSTM WND GST 65Mercury (Nts A23), NVMERCURY A23 MESONET SITE MEASURED A 65 MPH WIND GUST AT AN ELEVATION OF 3678 FEET.
May 25, 9:24 AM PDTNON-TSTM WND GST 585 Ene Boulder City, NVHOOVER DAM BYPASS BRIDGE MID-SPAN WEATHER STATION RECORDED A 58 MPH WIND GUST AT AN ELEVATION OF 1436 FEET.
May 25, 10:25 AM PDTNON-TSTM WND GST 61Desert Rock Airport, NVDESERT ROCK AIRPORT RECORDED A GUST OF 61 MPH AT AN ELEVATION OF 3301 FEET.
May 25, 12:00 PM PDTNON-TSTM WND GST 662 Se Yucca Flat (Nts Sr, NVDECON GROUND DISPOSAL MESONET SITE MEASURED A 66 MPH WIND GUST AT AN ELEVATION OF 3916 FEET.
May 25, 12:34 PM PDTNON-TSTM WND GST 59Red Rock Canyon Raws, NVRED ROCK CANYON RAWS RECORDED A GUST OF 59 MPH AT AN ELEVATION OF 3756 FEET.
May 25, 1:00 PM PDTNON-TSTM WND DMGAmargosa Valley, NVTHE CO-OP OBSERVER IN AMARGOSA VALLEY REPORTED HIGH WINDS DAMAGED OLDER ROOFS...KNOCKED OUT POWER...CAUSED SOME METAL BUILDINGS TO FAIL AND ALSO TORE DOWN SOME TREE LIMBS. THE EVENT TIME IS AN ESTIMATE.
May 25, 1:23 PM PDTNON-TSTM WND GST 62Desert Rock Airport, NVDESERT ROCK AIRPORT MEASURED A 62 MPH GUST FROM THE SOUTH AT AN ELEVATION OF 3301 FEET.
May 25, 1:30 PM PDTNON-TSTM WND GST 712 Se Yucca Flat (Nts Sr, NVDECON UNDERGROUND DISPOSAL MESONET SITE MEASURED A 71 MPH GUST AT 3916 FEET.
May 25, 1:42 PM PDTNON-TSTM WND GST 58Oak Creek Raws, CAOAK CREEK RAWS GUSTED TO 58 MPH FROM THE WEST AT AN ELEVATION OF 4900 FEET.
May 25, 2:00 PM PDTNON-TSTM WND GST 713 Ne Mt. Charleston, NVSPRING MOUNTAIN YOUTH CAMP MEASURED A 71 MPH WIND GUST AT AN ELEVATION OF 8380 FEET.
May 25, 2:00 PM PDTNON-TSTM WND DMG2 E Meadview, AZSTRONG WINDS REMOVED SHINGLES FROM SEVERAL BUILDINGS. TIME OF EVENT IS APPROXIMATE
May 25, 2:05 PM PDTNON-TSTM WND DMG3 Se Las Vegas, NVLIGHT POLE KNOCKED DOWN BY HIGH WINDS AT THE INTERSECTION OF KAREN AND EASTERN IN LAS VEGAS. TIME OF EVENT IS APPROXIMATE.
May 25, 2:12 PM PDTSNOW 01 Wnw Aspendell, CAA SPOTTER REPORTED RAIN WITH MIXED WITH A FEW SNOWFLAKES IN ASPENDELL AT 8500 FEET. CURRENT AIR TEMPERATURE WAS 35 DEGREES.
May 25, 2:16 PM PDTSNOW 0Lake Sabrina, CALAKE SABRINA BOAT LANDING REPORTED ALL SNOW WAS FALLING BUT NO ACCUMULATION AT AN ELEVATION OF 9139 FEET. CURRENT AIR TEMPERATURE WAS 28 DEGREES.
May 25, 2:45 PM PDTNON-TSTM WND GST 60Well 5b (Nts A05), NVWELL 5B MESONET SITE MEASURED A 60 MPH WIND GUST AT AN ELEVATION OF 3085 FEET.
May 25, 3:10 PM PDTDUST STORM5 Ne Olancha, CACALIFORNIA HIGHWAY PATROL CLOSED STATE ROUTE 190 FROM HIGHWAY 395 ACROSS THE ENTIRE SOUTH END OF THE OWENS DRY LAKE BED DUE TO BLOWING DUST. VISIBILITY WAS REPORTED TO BE AS LOW AS ZERO IN THIS AREA.
May 25, 4:00 PM PDTNON-TSTM WND GST 743 Ne Mt. Charleston, NVSPRING MOUNTAIN YOUTH CAMP...LOCATED AT AN ELEVATION OF 8380 FEET MSL.
May 25, 4:11 PM PDTSNOW 0Lake Sabrina, CALAKE SABRINA BOAT LANDING REPORTED A LIGHT COATING OF SNOW STUCK TO WOODEN SURFACES. CURRENT AIR TEMPERATURE WAS 25 DEGREES AT AN ELEVATION OF 9139 FEET.
May 25, 4:38 PM PDTNON-TSTM WND GST 733 N Mt. Charleston, NVDEER CREEK HIGHWAY...LOCATED AT AN ELEVATION OF 8218 FEET MSL.
May 25, 5:53 PM PDTNON-TSTM WND GST 63Bishop, CABISHOP ASOS LOCATED AT AN ELEVATION OF 4121 FEET MSL.
May 25, 6:00 PM PDTNON-TSTM WND GST 803 Ne Mt. Charleston, NVSPRING MOUNTAIN YOUTH CAMP MEASURED A PEAK WIND GUST OF 80 MPH AT AN ELEVATION OF 8380 FEET.
May 25, 6:00 PM PDTNON-TSTM WND GST 803 Ne Mt. Charleston, NV
May 25, 8:00 PM PDTSNOW 2Lake Sabrina, CALAKE SABRINA BOAT LANDING REPORTED SNOW BEGAN TO ACCUMULATE EARLY FRIDAY EVENING AND ENDED AROUND 8 PM WITH A TOTAL OF 2 INCHES MEASURED AT 9139 FEET. LIGHT SNOW WAS STILL FALLING THIS MORNING AROUND 830 AM.

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, 10.2 hours before the alert went out and 71 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.

Skew-T log-pSkew-T log-p diagram, Las Vegas, NV at 12:00Z on 2012-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2012-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4663 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

696 
WWUS85 KVEF 232212
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
312 PM PDT WED MAY 23 2012

NVZ460>465-241215-
/O.UPG.KVEF.FW.A.0009.120524T1900Z-120525T0300Z/
/O.NEW.KVEF.FW.W.0014.120524T2100Z-120526T0600Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
312 PM PDT WED MAY 23 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 11 PM PDT
FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 460...461...462...463...464 AND 465...

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 2 PM THURSDAY TO 11 PM PDT FRIDAY. THE FIRE WEATHER
WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 460 ESMERALDA 
  AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER ZONE 461 
  LINCOLN COUNTY/ELY DISPATCH...FIRE WEATHER ZONE 462 NYE COUNTY 
  DESERTS/LAS VEGAS DISPATCH...FIRE WEATHER ZONE 463 SHEEP 
  RANGE... FIRE WEATHER ZONE 464 SPRING MOUNTAINS AND FIRE 
  WEATHER ZONE 465 CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS 
  DISPATCH.

* TIMING...RED FLAG CRITERIA WILL LIKELY BE MET AS WINDS INCREASE
  ACROSS SOUTHERN NEVADA BY LATE THURSDAY AFTERNOON AHEAD OF AN
  UNSEASONABLY STRONG AREA OF LOW PRESSURE. GUSTY WINDS WILL
  SUBSIDE SLIGHTLY AND RH VALUES MAY RECOVER BRIEFLY OVERNIGHT TO
  BELOW CRITERIA...BUT WILL EASILY MEET CRITERIA AGAIN BY LATE
  FRIDAY MORNING ACROSS THE ENTIRE AREA.

* WIND...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS NEAR 40 MPH ON
  THURSDAY...AND GUSTS UP NEAR 50 MPH ON FRIDAY.

* 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.

&&

$$

AZZ101-102-NVZ466-241215-
/O.NEW.KVEF.FW.W.0014.120524T2100Z-120526T0600Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-LAKE MEAD NRA/COLORADO RIVER-
NV SIDE-
312 PM PDT WED MAY 23 2012 /312 PM MST WED MAY 23 2012/

...RED FLAG WARNING IN EFFECT FROM 2 PM PDT /2 PM MST/ THURSDAY
TO 11 PM PDT /11 PM MST/ FRIDAY FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 101...102 AND 466...

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 2 PM PDT /2 PM MST/ THURSDAY TO 11 PM PDT /11 PM MST/
FRIDAY.

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101 LAKE MEAD 
  NRA/COLORADO RIVER-AZ SIDE AND FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU. IN NEVADA...FIRE WEATHER ZONE 466 
  LAKE MEAD NRA/COLORADO RIVER-NV SIDE.

* TIMING...RED FLAG CRITERIA WILL LIKELY BE MET AS WINDS INCREASE
  ACROSS SOUTHERN NEVADA AND NORTHWEST ARIZONA BY LATE THURSDAY
  AFTERNOON AHEAD OF AN UNSEASONABLY STRONG AREA OF LOW PRESSURE.
  GUSTY WINDS WILL SUBSIDE SLIGHTLY AND RH VALUES MAY RECOVER
  BRIEFLY OVERNIGHT TO BELOW CRITERIA...BUT WILL EASILY MEET
  CRITERIA AGAIN BY LATE FRIDAY MORNING.

* WIND...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS NEAR 40 MPH ON
  THURSDAY...AND GUSTS UP NEAR 50 MPH ON FRIDAY.

* HUMIDITY...MINIMUM VALUES 9 TO 15 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.

&&

$$

CAZ226>229-241215-
/O.NEW.KVEF.FW.W.0014.120524T2100Z-120526T0600Z/
OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT-LOWER COLORADO RIVER VALLEY-
312 PM PDT WED MAY 23 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 11 PM PDT
FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 226...227...228 AND 229...

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 2 PM THURSDAY TO 11 PM PDT FRIDAY.

* AFFECTED AREA...IN CALIFORNIA. FIRE WEATHER ZONE 228 MOJAVE
  DESERT AND FIRE WEATHER ZONE 229 LOWER COLORADO RIVER VALLEY. AS
  WELL AS FIRE WEATHER ZONE 226 OWENS VALLEY/SOUTHERN INYO
  FOREST..FIRE WEATHER ZONE 227 DEATH VALLEY NATIONAL PARK. IN
  ZONES 226 AND 227...THE SOUTHERN HALF OF THE THESE ZONES ARE
  MOST LIKELY TO MEET CRITERIA.

* TIMING...RED FLAG CRITERIA IS EXPECTED TO BE MET AS WINDS
  INCREASE ACROSS SOUTHERN CALIFORNIA BY LATE THURSDAY AFTERNOON
  AHEAD OF AN UNSEASONABLY STRONG AREA OF LOW PRESSURE. GUSTY
  WINDS WILL SUBSIDE SLIGHTLY AND RH VALUES MAY RECOVER BRIEFLY
  OVERNIGHT TO BELOW CRITERIA...BUT WILL EASILY MEET CRITERIA
  AGAIN BY LATE FRIDAY MORNING AREAWIDE.

* WIND...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS NEAR 40 MPH ON
  THURSDAY...AND GUSTS UP NEAR 50 MPH ON FRIDAY.

* HUMIDITY...MINIMUM VALUES 8 TO 15 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
5 follow-up statements
998 
WWUS85 KVEF 241046
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
346 AM PDT THU MAY 24 2012

AZZ101-102-NVZ460>466-242300-
/O.CON.KVEF.FW.W.0014.120524T2100Z-120526T0600Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
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-
346 AM PDT THU MAY 24 2012 /346 AM MST THU MAY 24 2012/

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM PDT /2 PM MST/
THIS AFTERNOON TO 11 PM PDT /11 PM MST/ FRIDAY FOR STRONG WINDS
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 101...102...
460...461...462...463...464...465 AND 466...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101 LAKE MEAD 
  NRA/COLORADO RIVER-AZ SIDE AND FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER 
  ZONE 461 LINCOLN COUNTY/ELY DISPATCH...FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH...FIRE WEATHER ZONE 463 
  SHEEP RANGE...FIRE WEATHER ZONE 464 SPRING MOUNTAINS...FIRE 
  WEATHER ZONE 465 CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS 
  DISPATCH AND FIRE WEATHER ZONE 466 LAKE MEAD NRA/COLORADO 
  RIVER-NV SIDE.

* TIMING...RED FLAG CRITERIA WILL LIKELY BE MET AS WINDS INCREASE
  ACROSS SOUTHERN NEVADA AND NORTHWEST ARIZONA BY LATE THIS
  AFTERNOON AHEAD OF AN UNSEASONABLY STRONG AREA OF LOW
  PRESSURE. GUSTY WINDS WILL SUBSIDE SLIGHTLY AND RH VALUES MAY
  RECOVER BRIEFLY OVERNIGHT TO BELOW CRITERIA...BUT WILL EASILY
  MEET CRITERIA AGAIN BY LATE FRIDAY MORNING.

* WIND...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS AROUND 35 MPH
  TODAY...20 TO 35 MPH WITH GUSTS UP TO 50 MPH ON FRIDAY.

* HUMIDITY...MINIMUM VALUES 5 TO 15 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.

&&

$$

CAZ226>229-242300-
/O.CON.KVEF.FW.W.0014.120524T2100Z-120526T0600Z/
OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT-LOWER COLORADO RIVER VALLEY-
346 AM PDT THU MAY 24 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
11 PM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 226...227...228 AND 229...

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST...FIRE WEATHER ZONE 227 DEATH 
  VALLEY NATIONAL PARK...FIRE WEATHER ZONE 228 MOJAVE DESERT AND 
  FIRE WEATHER ZONE 229 LOWER COLORADO RIVER VALLEY.

* TIMING...RED FLAG CRITERIA IS EXPECTED TO BE MET AS WINDS
  INCREASE ACROSS SOUTHERN CALIFORNIA BY LATE THIS AFTERNOON AHEAD
  OF AN UNSEASONABLY STRONG AREA OF LOW PRESSURE. GUSTY WINDS WILL
  SUBSIDE SLIGHTLY IN SOME AREAS AND RH VALUES MAY RECOVER BRIEFLY
  OVERNIGHT TO BELOW CRITERIA...BUT WILL EASILY MEET CRITERIA
  AGAIN BY LATE FRIDAY MORNING AREAWIDE.

* WIND...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS AROUND 35 MPH
  TODAY...AND GUSTS UP NEAR 50 MPH ON FRIDAY. THE EAST SLOPES OF
  THE SIERRA MAY SEE THEIR STRONGEST WINDS TONIGHT WHEN GUSTS TO
  60 MPH ARE POSSIBLE.

* HUMIDITY...MINIMUM VALUES 8 TO 15 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
683 
WWUS85 KVEF 242142
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
242 PM PDT THU MAY 24 2012

AZZ101-102-NVZ460>466-251245-
/O.CON.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
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-
242 PM PDT THU MAY 24 2012 /242 PM MST THU MAY 24 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/
FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 101...102...460...461...462...463...464...465 AND
466...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101 LAKE MEAD 
  NRA/COLORADO RIVER-AZ SIDE AND FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER 
  ZONE 461 LINCOLN COUNTY/ELY DISPATCH...FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH...FIRE WEATHER ZONE 463 
  SHEEP RANGE...FIRE WEATHER ZONE 464 SPRING MOUNTAINS...FIRE 
  WEATHER ZONE 465 CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS 
  DISPATCH AND FIRE WEATHER ZONE 466 LAKE MEAD NRA/COLORADO 
  RIVER-NV SIDE.

* TIMING...RED FLAG CRITERIA WILL LIKELY BE MET AS WINDS 
  INCREASE ACROSS SOUTHERN NEVADA AND NORTHWEST ARIZONA BY LATE 
  THIS AFTERNOON AHEAD OF AN UNSEASONABLY STRONG AREA OF LOW 
  PRESSURE. GUSTY WINDS WILL SUBSIDE SLIGHTLY AND RH VALUES MAY 
  RECOVER BRIEFLY OVERNIGHT TO BELOW CRITERIA...BUT WILL EASILY 
  MEET CRITERIA AGAIN BY LATE FRIDAY MORNING. 

* WIND...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS AROUND 35 
  MPH TODAY...20 TO 35 MPH WITH GUSTS UP TO 50 MPH ON FRIDAY. 

* HUMIDITY...MINIMUM VALUES 5 TO 15 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.

&&

$$

CAZ226>229-251245-
/O.CON.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT-LOWER COLORADO RIVER VALLEY-
242 PM PDT THU MAY 24 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
226...227...228 AND 229...

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST...FIRE WEATHER ZONE 227 DEATH 
  VALLEY NATIONAL PARK...FIRE WEATHER ZONE 228 MOJAVE DESERT AND 
  FIRE WEATHER ZONE 229 LOWER COLORADO RIVER VALLEY.

* TIMING...RED FLAG CRITERIA IS EXPECTED TO BE MET AS WINDS 
  INCREASE ACROSS SOUTHERN CALIFORNIA BY LATE THIS AFTERNOON 
  AHEAD OF AN UNSEASONABLY STRONG AREA OF LOW PRESSURE. GUSTY 
  WINDS WILL SUBSIDE SLIGHTLY IN SOME AREAS AND RH VALUES MAY 
  RECOVER BRIEFLY OVERNIGHT TO BELOW CRITERIA...BUT WILL EASILY 
  MEET CRITERIA AGAIN BY LATE FRIDAY MORNING AREAWIDE. 

* WIND...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS AROUND 35 MPH 
  TODAY...AND GUSTS UP NEAR 50 MPH ON FRIDAY. THE EAST SLOPES OF 
  THE SIERRA MAY SEE THEIR STRONGEST WINDS TONIGHT WHEN GUSTS TO 
  60 MPH ARE POSSIBLE. 

* HUMIDITY...MINIMUM VALUES 8 TO 15 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
998 
WWUS85 KVEF 251156
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
456 AM PDT FRI MAY 25 2012

AZZ101-102-NVZ460>466-252000-
/O.CON.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
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-
456 AM PDT FRI MAY 25 2012 /456 AM MST FRI MAY 25 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 101...102...460...461...462...463...464...465 AND
466...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101 LAKE MEAD 
  NRA/COLORADO RIVER-AZ SIDE AND FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER 
  ZONE 461 LINCOLN COUNTY/ELY DISPATCH...FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH...FIRE WEATHER ZONE 463 
  SHEEP RANGE...FIRE WEATHER ZONE 464 SPRING MOUNTAINS...FIRE 
  WEATHER ZONE 465 CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS 
  DISPATCH AND FIRE WEATHER ZONE 466 LAKE MEAD NRA/COLORADO 
  RIVER-NV SIDE.

* TIMING...RED FLAG CRITERIA WILL BE MET ACROSS SOUTHERN NEVADA
  AND NORTHWEST ARIZONA BY LATE THIS MORNING DUE TO THE
  UNSEASONABLY STRONG LOW PRESSURE SYSTEM.

* WIND...SOUTH TO SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* HUMIDITY...MINIMUM VALUES 5 TO 15 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.

&&

$$

CAZ226>229-252000-
/O.CON.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT-LOWER COLORADO RIVER VALLEY-
456 AM PDT FRI MAY 25 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 226...227...228 AND 229...

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST...FIRE WEATHER ZONE 227 DEATH 
  VALLEY NATIONAL PARK...FIRE WEATHER ZONE 228 MOJAVE DESERT AND 
  FIRE WEATHER ZONE 229 LOWER COLORADO RIVER VALLEY.

* TIMING...RED FLAG CRITERIA IS EXPECTED TO BE MET BY LATE THIS
  MORNING DUE TO AN UNSEASONABLY STRONG COLD FRONT.

* WIND...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS NEAR 50 MPH. 

* HUMIDITY...MINIMUM VALUES 8 TO 15 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
730 
WWUS85 KVEF 251949
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1249 PM PDT FRI MAY 25 2012

AZZ101-102-NVZ460>466-260600-
/O.CON.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
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-
1249 PM PDT FRI MAY 25 2012 /1249 PM MST FRI MAY 25 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 101...102...460...461...462...463...464...465 AND
466...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101 LAKE MEAD 
  NRA/COLORADO RIVER-AZ SIDE AND FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER 
  ZONE 461 LINCOLN COUNTY/ELY DISPATCH...FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH...FIRE WEATHER ZONE 463 
  SHEEP RANGE...FIRE WEATHER ZONE 464 SPRING MOUNTAINS...FIRE 
  WEATHER ZONE 465 CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS 
  DISPATCH AND FIRE WEATHER ZONE 466 LAKE MEAD NRA/COLORADO 
  RIVER-NV SIDE.

* TIMING...RED FLAG CRITERIA WILL CONTINUE BE MET ACROSS SOUTHERN
  NEVADA AND NORTHWEST ARIZONA THE REMAINDER OF THE DAY AND INTO
  THE EVENING.

* WIND...SOUTH TO SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH.

* HUMIDITY...MINIMUM VALUES 5 TO 15 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.

&&

$$

CAZ226>229-260600-
/O.CON.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT-LOWER COLORADO RIVER VALLEY-
1249 PM PDT FRI MAY 25 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 226...227...228 AND 229...

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST...FIRE WEATHER ZONE 227 DEATH 
  VALLEY NATIONAL PARK...FIRE WEATHER ZONE 228 MOJAVE DESERT AND 
  FIRE WEATHER ZONE 229 LOWER COLORADO RIVER VALLEY.

* TIMING...RED FLAG CRITERIA WILL CONTINUE BE MET ACROSS SOUTHERN
  NEVADA AND NORTHWEST ARIZONA THE REMAINDER OF THE DAY AND INTO
  THE EVENING.

* WIND...SOUTHWEST TO WEST 20 TO 30 MPH WITH GUSTS NEAR 50 MPH.

* HUMIDITY...MINIMUM VALUES 8 TO 15 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
579 
WWUS85 KVEF 260557
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1057 PM PDT FRI MAY 25 2012


AZZ101-102-NVZ460>466-260700-
/O.EXP.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
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-
1057 PM PDT FRI MAY 25 2012 /1057 PM MST FRI MAY 25 2012/

...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT /11 PM MST/ THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 101...102...460...461...462...463...464...465 AND
466...

WINDS HAVE DECREASED THIS EVENING...WHILE RELATIVE HUMIDITY
RECOVERIES HAVE TAKEN PLACE WITH MOST HUMIDITIES GREATER THAN 20
PERCENT. ALTHOUGH LOCAL GUSTY WINDS WILL CONTINUE THROUGH THE
REMAINDER OF THE NIGHT...OVERALL WIDESPREAD RED FLAG CONDITIONS
ARE NO LONGER EXPECTED...THUS WILL ALLOW THE RED FLAG WARNING TO
EXPIRE AS OF 11 PM PDT / MST.

$$

CAZ226>229-260700-
/O.EXP.KVEF.FW.W.0014.000000T0000Z-120526T0600Z/
OWENS VALLEY/SOUTHERN INYO FOREST-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT-LOWER COLORADO RIVER VALLEY-
1057 PM PDT FRI MAY 25 2012

...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
226...227...228 AND 229...

WINDS HAVE DECREASED THIS EVENING...WHILE RELATIVE HUMIDITY
RECOVERIES HAVE TAKEN PLACE WITH MOST HUMIDITIES GREATER THAN 20
PERCENT. ALTHOUGH LOCAL GUSTY WINDS WILL CONTINUE THROUGH THE
REMAINDER OF THE NIGHT...OVERALL WIDESPREAD RED FLAG CONDITIONS
ARE NO LONGER EXPECTED...THUS WILL ALLOW THE RED FLAG WARNING TO
EXPIRE AS OF 11 PM PDT.

$$

HTTP://WEATHER.GOV/LASVEGAS

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 3:19 PM PDTWind AdvisoryVEFInyo56 hr
May 23, 3:19 PM PDTWind AdvisoryVEFInyo, San Bernardino56 hr
May 23, 3:19 PM PDTHigh Wind WatchVEFClark, Nye23 hr

Nearby

Red Flag Warnings in Nevada, 2012Red Flag Warnings in California, 2012Red Flag Warnings in Arizona, 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.