Alert archive / Nevada / Red Flag Warnings in 2012

Red Flag Warning 17, NWS Las Vegas, NV

June 7, 2012Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona

NWS Las Vegas, NV issued this red flag warning at Jun 7, 2012, 2:23 PM PDT for Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona. It took effect at Jun 8, 2012, 11:00 AM PDT. It was in force for 9 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
Jun 7, 2012, 2:23 PM PDT (21:23 UTC)
In effect from
Jun 8, 2012, 11:00 AM PDT
Expired
Jun 8, 2012, 8:00 PM PDT
In force
9 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, Clark County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 134 km from the middle of the area, began a volume at 21:25 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

Las Vegas, NV (KVEF), launched 12:00Z, 9.4 hours before the alert went out and 74 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 2012-06-07Temperature 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 2012-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -106 square meters per square second.193958Sfc1 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
4223 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-106 m²/s²
0-3 km storm-relative helicity
-37 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.

872 
WWUS85 KVEF 072123
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
223 PM PDT THU JUN 7 2012

.INCREASING SOUTHERLY WINDS WILL DEVELOP ACROSS PORTIONS OF
SOUTHERN NEVADA AND FAR NORTHWEST ARIZONA FRIDAY AS A LOW
PRESSURE SYSTEM MOVES INTO THE PACIFIC NORTHWEST. GUSTY WINDS
WILL CONTINUE OVER NORTHWEST ARIZONA SATURDAY AS THE LOW PRESSURE
SYSTEM MOVES INLAND AND ACROSS THE NORTHERN INTERMOUNTAIN REGION.

AZZ102-080530-
/O.UPG.KVEF.FW.A.0011.120608T1800Z-120609T0300Z/
/O.NEW.KVEF.FW.W.0017.120608T1800Z-120609T0300Z/
/O.CON.KVEF.FW.A.0012.120609T1800Z-120610T0400Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
223 PM MST THU JUN 7 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
102...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING 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 FRIDAY. THE FIRE WEATHER WATCH IS
NO LONGER IN EFFECT.

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU.

* TIMING...WINDS WILL INCREASE DURING THE LATE MORNING ON
  FRIDAY...PEAK LATE FRIDAY AFTERNOON INTO EARLY FRIDAY EVENING.
  WINDS ARE THEN EXPECTED TO INCREASE AGAIN LATE SATURDAY MORNING
  BEFORE PEAKING LATE SATURDAY AFTERNOON INTO EARLY SATURDAY
  EVENING.

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 MPH TO 45 MPH.

* HUMIDITY...6 TO 12 PERCENT.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

NVZ461>464-080530-
/O.UPG.KVEF.FW.A.0011.120608T1800Z-120609T0300Z/
/O.NEW.KVEF.FW.W.0017.120608T1800Z-120609T0300Z/
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
223 PM PDT THU JUN 7 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
461...462...463 AND 464...

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 PDT FRIDAY FOR ZONES 461...462...463 AND 
464. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

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

* TIMING...LATE FRIDAY MORNING THROUGH EARLY FRIDAY EVENING.

* WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 MPH.

* HUMIDITY...6 TO 12 PERCENT FRIDAY FROM THE LATE MORNING INTO
  EARLY EVENING.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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
4 follow-up statements
085 
WWUS85 KVEF 080429
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
929 PM PDT THU JUN 7 2012

.INCREASING SOUTHERLY WINDS WILL DEVELOP ACROSS PORTIONS OF
SOUTHERN NEVADA AND FAR NORTHWEST ARIZONA FRIDAY AS A LOW
PRESSURE SYSTEM MOVES INTO THE PACIFIC NORTHWEST. GUSTY WINDS
WILL CONTINUE OVER NORTHWEST ARIZONA SATURDAY AS THE LOW PRESSURE
SYSTEM MOVES INLAND AND ACROSS THE NORTHERN INTERMOUNTAIN REGION.

AZZ102-081830-
/O.CON.KVEF.FW.W.0017.120608T1800Z-120609T0300Z/
/O.CON.KVEF.FW.A.0012.120609T1800Z-120610T0400Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
929 PM MST THU JUN 7 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST
FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 102...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 102...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU.

* TIMING...WINDS WILL INCREASE DURING THE LATE MORNING ON 
  FRIDAY...PEAK LATE FRIDAY AFTERNOON INTO EARLY FRIDAY EVENING. 
  WINDS ARE THEN EXPECTED TO INCREASE AGAIN LATE SATURDAY 
  MORNING BEFORE PEAKING LATE SATURDAY AFTERNOON INTO EARLY 
  SATURDAY EVENING. 

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 MPH TO 45 MPH.

* HUMIDITY...6 TO 12 PERCENT.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

NVZ461>464-081830-
/O.CON.KVEF.FW.W.0017.120608T1800Z-120609T0300Z/
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
929 PM PDT THU JUN 7 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT
FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 461 - 462 - 463 AND 464...

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

* TIMING...LATE FRIDAY MORNING THROUGH EARLY FRIDAY EVENING.

* WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 
  MPH.

* HUMIDITY...6 TO 12 PERCENT FRIDAY FROM THE LATE MORNING INTO 
  EARLY EVENING. 

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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.

&&

$$

MORGAN

HTTP://WEATHER.GOV/LASVEGAS
915 
WWUS85 KVEF 081800
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1100 AM PDT FRI JUN 8 2012

.SOUTHERLY WINDS WILL CONTINUE TO STRENGTHEN ACROSS PORTIONS OF
SOUTHERN NEVADA AND FAR NORTHWEST ARIZONA THIS AFTERNOON AS A LOW
PRESSURE SYSTEM MOVES INTO THE PACIFIC NORTHWEST. GUSTY WINDS WILL
CONTINUE OVER NORTHWEST ARIZONA SATURDAY AS THE LOW PRESSURE
SYSTEM MOVES INLAND AND ACROSS THE NORTHERN INTERMOUNTAIN REGION.

AZZ102-090200-
/O.CON.KVEF.FW.W.0017.000000T0000Z-120609T0300Z/
/O.CON.KVEF.FW.A.0012.120609T1800Z-120610T0400Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
1100 AM MST FRI JUN 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
102...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 102...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU.

* TIMING...WINDS WILL INCREASE DURING THE LATE MORNING ON 
  FRIDAY...PEAK LATE FRIDAY AFTERNOON INTO EARLY FRIDAY EVENING. 
  WINDS ARE THEN EXPECTED TO INCREASE AGAIN LATE SATURDAY 
  MORNING BEFORE PEAKING LATE SATURDAY AFTERNOON INTO EARLY 
  SATURDAY EVENING. 

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 MPH TO 45 MPH.

* HUMIDITY...6 TO 12 PERCENT.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

NVZ461>464-090200-
/O.CON.KVEF.FW.W.0017.000000T0000Z-120609T0300Z/
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
1100 AM PDT FRI JUN 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
461...462...463 AND 464...

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

* TIMING...LATE FRIDAY MORNING THROUGH EARLY FRIDAY EVENING.

* WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 
  MPH. 

* HUMIDITY...6 TO 12 PERCENT FRIDAY INTO EARLY THIS EVENING.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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
776 
WWUS85 KVEF 082148
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
248 PM PDT FRI JUN 8 2012

.GUSTY SOUTH TO SOUTHWEST WINDS WILL CONTINUE TO AFFECT PORTIONS
OF SOUTHERN NEVADA AND NORTHWEST ARIZONA THROUGH THIS EVENING.
WINDS WILL DECREASE SLIGHTLY TONIGHT OVER NORTHWEST ARIZONA...THEN
INCREASE AGAIN ON SATURDAY IN THE LATE MORNING. THESE GUSTY WINDS
IN COMBINATION WITH LOW RELATIVE HUMIDITY VALUES WILL CREATE THE
POTENTIAL FOR ERRATIC WILDFIRE BEHAVIOR.

AZZ102-090600-
/O.UPG.KVEF.FW.A.0012.120609T1800Z-120610T0400Z/
/O.NEW.KVEF.FW.W.0018.120609T1800Z-120610T0400Z/
/O.CON.KVEF.FW.W.0017.000000T0000Z-120609T0300Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
248 PM MST FRI JUN 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
102...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MST SATURDAY 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 FIRE WEATHER ZONE 102 FOR THE COMBINATION OF STRONG
WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO
9 PM MST SATURDAY. THE FIRE WEATHER WATCH FOR SATURDAY IS NO
LONGER IN EFFECT. IN ADDITION...A RED FLAG WARNING REMAINS IN
EFFECT FOR THIS AREA THROUGH 8 PM THIS EVENING.

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU.

* TIMING...WINDS WILL REMAIN GUSTY REACHING CRITICAL LEVELS AT
  TIMES THROUGH THIS EVENING...DECREASE SLIGHTLY LATER THIS
  EVENING...THEN INCREASE AGAIN ON SATURDAY MORNING. WINDS WILL
  PEAK LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING BEFORE
  DECREASING BY LATE SATURDAY EVENING.

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 MPH TO 45 MPH.

* HUMIDITY...6 TO 12 PERCENT THIS EVENING. RELATIVE HUMIDITY
  VALUES WILL RECOVER OVERNIGHT TO 15 TO 30 PERCENT...THEN
  DECREASE AGAIN TO 6 TO 12 PERCENT BY LATE SATURDAY MORNING AND
  REMAIN THAT LOW INTO EARLY SATURDAY EVENING.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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>464-090300-
/O.CON.KVEF.FW.W.0017.000000T0000Z-120609T0300Z/
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
248 PM PDT FRI JUN 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
461...462...463 AND 464...

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

* TIMING...THROUGH EARLY THIS EVENING.

* WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 55
  MPH.

* HUMIDITY...6 TO 12 PERCENT INTO EARLY THIS EVENING.

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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
801 
WWUS85 KVEF 090238
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
738 PM PDT FRI JUN 8 2012

.WINDS WILL INCREASE AGAIN LATE SATURDAY MORNING. THESE GUSTY
WINDS PLUS LOW RELATIVE HUMIDITY WILL CREATE THE POTENTIAL FOR
ERRATIC WILDFIRE BEHAVIOR.

AZZ102-091100-
/O.EXP.KVEF.FW.W.0017.000000T0000Z-120609T0300Z/
/O.CON.KVEF.FW.W.0018.120609T1800Z-120610T0400Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
738 PM MST FRI JUN 8 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MST
SATURDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 102...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
102...

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102 NORTHWEST 
  DESERTS/NORTHWEST PLATEAU.

* TIMING...WINDS WILL DECREASE SLIGHTLY LATE FRIDAY EVENING...THEN
  INCREASE AGAIN SATURDAY MORNING. WINDS WILL PEAK LATE SATURDAY
  AFTERNOON INTO EARLY SATURDAY EVENING BEFORE DECREASING BY LATE
  SATURDAY EVENING.

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 MPH TO 45 MPH.

* HUMIDITY...6 TO 12 PERCENT THIS EVENING. RELATIVE HUMIDITY 
  VALUES WILL RECOVER OVERNIGHT TO 15 TO 30 PERCENT...THEN 
  DECREASE AGAIN TO 6 TO 12 PERCENT BY LATE SATURDAY MORNING AND 
  REMAIN THAT LOW INTO EARLY SATURDAY EVENING. 

* IMPACTS...CONDITIONS THAT ARE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR ARE POSSIBLE DUE TO STRONG WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS. 

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>464-090345-
/O.EXP.KVEF.FW.W.0017.000000T0000Z-120609T0300Z/
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
738 PM PDT FRI JUN 8 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
461 - 462 - 463 AND 464...

WINDS HAD BEGUN TO DECREASE OVER SOUTHERN NEVADA EARLY THIS
EVENING. ALTHOUGH ISOLATED WIND PRONE SPOTS WILL CONTINUE TO GUST
OVER 35 MPH INTO THE EVENING...THE THREAT FOR WIDESPREAD STRONG
WINDS HAD ENDED. THUS...THE RED FLAG WARNING WILL BE ALLOWED TO
EXPIRE.

$$

MORGAN

HTTP://WEATHER.GOV/LASVEGAS

Nearby

Red Flag Warnings in Nevada, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.