Alert archive / Nevada / Red Flag Warnings in 2012

Red Flag Warning 20, NWS Las Vegas, NV

June 20, 2012Esmeralda County, Lincoln County, Nye County, Nevada

NWS Las Vegas, NV issued this red flag warning at Jun 20, 2012, 2:22 PM PDT for Esmeralda County, Lincoln County, Nye County, Nevada. It took effect at Jun 21, 2012, 11:00 AM PDT. It was in force for 11 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 20, 2012, 2:22 PM PDT (21:22 UTC)
In effect from
Jun 21, 2012, 11:00 AM PDT
Expired
Jun 21, 2012, 10:00 PM PDT
In force
11 hr
Issued by
NWS Las Vegas, NV

Counties Esmeralda County, NV, Lincoln County, NV, Nye County, NV

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 9.4 hours before the alert went out and 175 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 2012-06-20Temperature 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 2012-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 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
6205 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
25 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.

968 
WWUS85 KVEF 202122
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
222 PM PDT WED JUN 20 2012

.A TROUGH OF LOW PRESSURE ALONG THE WEST COAST WILL COMBINE WITH
A RIDGE OF HIGH PRESSURE OVER THE FOUR CORNERS TO INCREASE WINDS
ACROSS THE SOUTHERN GREAT BASIN ON THURSDAY. HUMIDITY VALUES WILL
FALL INTO THE SINGLE DIGITS ACROSS THE AREA DURING THE AFTERNOON
AND EARLY EVENING HOURS.

NVZ460>462-210530-
/O.UPG.KVEF.FW.A.0014.120621T1800Z-120622T0500Z/
/O.NEW.KVEF.FW.W.0020.120621T1800Z-120622T0500Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
222 PM PDT WED JUN 20 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT THURSDAY
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NEVADA FIRE
WEATHER ZONES 460...461 AND 462...

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 10 PM PDT THURSDAY. THIS REPLACES THE FIRE
WEATHER WATCH.

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 460 ESMERALDA 
  AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER ZONE 461 
  LINCOLN COUNTY/ELY DISPATCH AND FIRE WEATHER ZONE 462 NYE 
  COUNTY DESERTS/LAS VEGAS DISPATCH.

* TIMING...RH VALUES WILL FALL BELOW 15 PERCENT BY MID MORNING AND
  WIND SPEEDS WILL GRADUALLY INCREASE DURING THE MORNING...
  REACHING CRITERIA BY LATE MORNING. RH RECOVERY AND DECREASING
  WINDS ARE EXPECTED MID TO LATE THURSDAY EVENING. 

* WIND...SOUTH WIND AT 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
4 follow-up statements
654 
WWUS85 KVEF 210502
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1002 PM PDT WED JUN 20 2012

.A TROUGH OF LOW PRESSURE ALONG THE WEST COAST WILL COMBINE WITH
A RIDGE OF HIGH PRESSURE OVER THE FOUR CORNERS TO INCREASE WINDS
ACROSS THE SOUTHERN GREAT BASIN ON THURSDAY. HUMIDITY VALUES WILL
FALL INTO THE SINGLE DIGITS ACROSS THE AREA DURING THE AFTERNOON
AND EARLY EVENING HOURS.

NVZ460>462-211400-
/O.CON.KVEF.FW.W.0020.120621T1800Z-120622T0500Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
1002 PM PDT WED JUN 20 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM PDT
THURSDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 460...461 AND 462...

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 460 ESMERALDA 
  AND NYE COUNTY DESERTS/CNC DISPATCH...FIRE WEATHER ZONE 461 
  LINCOLN COUNTY/ELY DISPATCH AND FIRE WEATHER ZONE 462 NYE 
  COUNTY DESERTS/LAS VEGAS DISPATCH.

* TIMING...RH VALUES WILL FALL BELOW 15 PERCENT BY MID MORNING AND
  WIND SPEEDS WILL GRADUALLY INCREASE DURING THE MORNING...
  REACHING RED FLAG CRITERIA BY LATE MORNING. RH RECOVERY AND
  DECREASING WINDS ARE EXPECTED MID TO LATE THURSDAY EVENING.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
077 
WWUS85 KVEF 211315
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
615 AM PDT THU JUN 21 2012

.A TROUGH OF LOW PRESSURE ALONG THE WEST COAST WILL COMBINE WITH
A RIDGE OF HIGH PRESSURE OVER THE FOUR CORNERS TO INCREASE WINDS
ACROSS THE SOUTHERN GREAT BASIN TODAY. HUMIDITY VALUES WILL FALL
INTO THE SINGLE DIGITS ACROSS THE AREA DURING THE AFTERNOON AND
EARLY EVENING HOURS. THE WINDS WILL LIKELY SHIFT EAST ON FRIDAY WITH
CRITICAL FIRE CONDITIONS POSSIBLE IN LINCOLN AND MOHAVE COUNTIES.

NVZ461-212215-
/O.NEW.KVEF.FW.A.0015.120622T1800Z-120623T0500Z/
/O.CON.KVEF.FW.W.0020.120621T1800Z-120622T0500Z/
LINCOLN COUNTY/ELY DISPATCH-
615 AM PDT THU JUN 21 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
10 PM PDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONE 461...

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 461...

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 FRIDAY MORNING THROUGH FRIDAY EVENING.

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 461 LINCOLN 
  COUNTY/ELY DISPATCH.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT BY
  MID MORNING AND WIND SPEEDS WILL GRADUALLY INCREASE DURING THE
  MORNING... REACHING RED FLAG CRITERIA BY LATE MORNING. HUMIDITY
  RECOVERY AND DECREASING WINDS ARE EXPECTED LATE THIS EVENING.
  CRITICAL WIND SPEEDS AND RELATIVE HUMIDITY VALUES ARE POSSIBLE
  AGAIN FRIDAY.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS 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.

&&

$$

NVZ460-462-212215-
/O.CON.KVEF.FW.W.0020.120621T1800Z-120622T0500Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
615 AM PDT THU JUN 21 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
10 PM PDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 460 AND 462...

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 460 ESMERALDA 
  AND NYE COUNTY DESERTS/CNC DISPATCH AND FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT BY
  MID MORNING AND WIND SPEEDS WILL GRADUALLY INCREASE DURING THE
  MORNING... REACHING RED FLAG CRITERIA BY LATE MORNING. HUMIDITY RECOVERY
  AND DECREASING WINDS ARE EXPECTED MID TO LATE THURSDAY EVENING.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

AZZ102-212215-
/O.NEW.KVEF.FW.A.0015.120622T1800Z-120623T0500Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
615 AM MST THU JUN 21 2012

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 102...

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 FRIDAY MORNING THROUGH FRIDAY EVENING.

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

* TIMING...WINDS WILL INCREASE BY LATE FRIDAY MORNING WHILE
  HUMIDITY VALUES LOWER BELOW 15 PERCENT...POSSIBLE MEETING RED
  FLAG CRITERIA FROM LATE MORNING FRIDAY INTO THE EVENING.
  HUMIDITY RECOVERY AND DECREASING WINDS ARE EXPECTED LATE FRIDAY EVENING.

* WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS OF 35 TO 40 MPH POSSIBLE.

* HUMIDITY...4 TO 9 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
397 
WWUS85 KVEF 212208
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
308 PM PDT THU JUN 21 2012

.VERY DRY CONDITIONS WILL PERSIST ACROSS THE MOJAVE DESERT AND
SOUTHERN GREAT BASIN THROUGH SATURDAY AS THE AREA REMAINS
POSITIONED BETWEEN HIGH PRESSURE NEAR THE FOUR CORNERS AND AN AREA
OF LOW PRESSURE OFF THE NORTHWEST COAST. THIS WILL LEAD TO A
PROLONGED PERIOD OF BREEZES THROUGH SUNDAY. TEMPERATURES WILL BE
CLOSE TO SEASONAL NORMALS THROUGH THE PERIOD. MONSOON MOISTURE
WILL BEGIN TO WORK ITS WAY INTO MOHAVE COUNTY ON SUNDAY...
PROVIDING A CHANCE FOR THUNDERSTORMS THAT COULD CONTINUE INTO
EARLY NEXT WEEK.

NVZ461-221500-
/O.UPG.KVEF.FW.A.0015.120622T1800Z-120623T0500Z/
/O.NEW.KVEF.FW.W.0021.120622T1800Z-120623T0500Z/
/O.NEW.KVEF.FW.A.0016.120623T1800Z-120624T0500Z/
/O.NEW.KVEF.FW.A.0017.120624T1800Z-120625T0500Z/
/O.CON.KVEF.FW.W.0020.000000T0000Z-120622T0500Z/
LINCOLN COUNTY/ELY DISPATCH-
308 PM PDT THU JUN 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 461...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
461...
...FIRE WEATHER WATCH IN EFFECT FOR SATURDAY AND SUNDAY FOR STRONG
WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 461...

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 10 PM PDT FRIDAY. A RED FLAG WARNING REMAINS
IN EFFECT UNTIL 10 PM PDT THIS EVENING. A FIRE WEATHER WATCH HAS
ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY IS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING AND FROM SUNDAY MORNING THROUGH SUNDAY EVENING.

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 461 LINCOLN 
  COUNTY/ELY DISPATCH.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT BY
  MID MORNING EACH DAY AND WIND SPEEDS WILL GRADUALLY INCREASE
  DURING THE MORNING...REACHING RED FLAG CRITERIA BY LATE MORNING.
  THERE WILL BE SOME HUMIDITY RECOVERY EACH NIGHT AND DECREASING
  WINDS.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...3 TO 9 PERCENT...EXCEPT SUNDAY 8 TO 15 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS 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.

&&

$$

AZZ102-221500-
/O.UPG.KVEF.FW.A.0015.120622T1800Z-120623T0500Z/
/O.NEW.KVEF.FW.W.0021.120622T1800Z-120623T0500Z/
/O.NEW.KVEF.FW.A.0016.120623T1800Z-120624T0500Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
308 PM MST THU JUN 21 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM MST FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
102...
...FIRE WEATHER WATCH 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 10 PM MST FRIDAY. A FIRE WEATHER WATCH HAS
ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH FOR STRONG WINDS AND
LOW RELATIVE HUMIDITY IS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING. 

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

* TIMING...WINDS WILL INCREASE BY LATE FRIDAY MORNING WHILE
  HUMIDITY VALUES LOWER BELOW 15 PERCENT. HUMIDITY RECOVERY AND
  DECREASING WINDS ARE EXPECTED LATE FRIDAY EVENING. CONDITIONS
  AND TIMING ARE EXPECTED TO BE VERY SIMILAR ON SATURDAY.

* WIND...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS OF 35 TO 40
  MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$

NVZ460-462-221500-
/O.NEW.KVEF.FW.A.0016.120623T1800Z-120624T0500Z/
/O.NEW.KVEF.FW.A.0017.120624T1800Z-120625T0500Z/
/O.CON.KVEF.FW.W.0020.000000T0000Z-120622T0500Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
308 PM PDT THU JUN 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 460 AND 462...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AND SUNDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 460
AND 462...

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 SATURDAY MORNING THROUGH SATURDAY EVENING. A
FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FROM SUNDAY MORNING
THROUGH SUNDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL
10 PM PDT THIS EVENING.

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 460 ESMERALDA 
  AND NYE COUNTY DESERTS/CNC DISPATCH AND FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT 
  BY MID MORNING AND WIND SPEEDS WILL GRADUALLY INCREASE DURING 
  THE MORNING... REACHING RED FLAG CRITERIA BY LATE MORNING. 
  HUMIDITY RECOVERY AND DECREASING WINDS ARE EXPECTED MID TO 
  LATE THURSDAY EVENING. 

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS 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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
228 
WWUS85 KVEF 220439
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
939 PM PDT THU JUN 21 2012

.VERY DRY CONDITIONS WILL PERSIST ACROSS THE MOJAVE DESERT AND
SOUTHERN GREAT BASIN THROUGH SATURDAY AS THE AREA REMAINS
POSITIONED BETWEEN HIGH PRESSURE NEAR THE FOUR CORNERS AND AN
AREA OF LOW PRESSURE OFF THE NORTHWEST COAST. THIS WILL LEAD TO A
PROLONGED PERIOD OF BREEZES THROUGH SUNDAY. TEMPERATURES WILL BE
CLOSE TO SEASONAL NORMALS THROUGH THE PERIOD. MONSOON MOISTURE
WILL BEGIN TO WORK ITS WAY INTO MOHAVE COUNTY ON SUNDAY...
PROVIDING A CHANCE FOR THUNDERSTORMS THAT COULD CONTINUE INTO
EARLY NEXT WEEK.

NVZ461-221800-
/O.EXP.KVEF.FW.W.0020.000000T0000Z-120622T0500Z/
/O.CON.KVEF.FW.W.0021.120622T1800Z-120623T0500Z/
/O.CON.KVEF.FW.A.0016.120623T1800Z-120624T0500Z/
/O.CON.KVEF.FW.A.0017.120624T1800Z-120625T0500Z/
LINCOLN COUNTY/ELY DISPATCH-
939 PM PDT THU JUN 21 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM PDT
FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 461...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 461...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONE 461...
...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
461...

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 461 LINCOLN 
  COUNTY/ELY DISPATCH.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT BY
  MID MORNING FRIDAY AND WIND SPEEDS WILL GRADUALLY INCREASE
  DURING THE MORNING...REACHING RED FLAG CRITERIA BY LATE MORNING.
  RED FLAG CONDITIONS ARE POSSIBLE AGAIN SATURDAY AND SUNDAY.
  THERE WILL BE SOME HUMIDITY RECOVERY EACH NIGHT ALONG WITH
  DECREASING WINDS.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...3 TO 9 PERCENT...EXCEPT SUNDAY 8 TO 15 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS 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.

&&

$$

NVZ460-462-221800-
/O.EXP.KVEF.FW.W.0020.000000T0000Z-120622T0500Z/
/O.CON.KVEF.FW.A.0016.120623T1800Z-120624T0500Z/
/O.CON.KVEF.FW.A.0017.120624T1800Z-120625T0500Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
939 PM PDT THU JUN 21 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 460 AND 462...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 460 AND 462...
...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
460 AND 462...

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 460 ESMERALDA 
  AND NYE COUNTY DESERTS/CNC DISPATCH AND FIRE WEATHER ZONE 462 
  NYE COUNTY DESERTS/LAS VEGAS DISPATCH.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT BY
  MID FRIDAY MORNING AND WIND SPEEDS WILL GRADUALLY INCREASE
  DURING THE MORNING... REACHING RED FLAG CRITERIA BY LATE
  MORNING. RED FLAG CONDITIONS ARE POSSIBLE ONCE AGAIN SATURDAY
  AND SUNDAY. HUMIDITY RECOVERY AND DECREASING WINDS ARE EXPECTED
  EACH NIGHT.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS 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.

&&

$$

NVZ463-464-221800-
/O.EXA.KVEF.FW.W.0021.120622T1800Z-120623T0500Z/
SHEEP RANGE-SPRING MOUNTAINS-
939 PM PDT THU JUN 21 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
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 10 PM PDT FRIDAY.

* AFFECTED AREA...IN NEVADA...FIRE WEATHER ZONE 463 SHEEP RANGE 
  AND FIRE WEATHER ZONE 464 SPRING MOUNTAINS.

* TIMING...RELATIVE HUMIDITY VALUES WILL FALL BELOW 15 PERCENT BY
  MID FRIDAY MORNING AND WIND SPEEDS WILL GRADUALLY INCREASE
  DURING THE MORNING...REACHING RED FLAG CRITERIA BY LATE MORNING.

* WIND...SOUTH WIND 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...7 TO 13 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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 HOT CONDITIONS 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.

&&

$$

AZZ102-221800-
/O.CON.KVEF.FW.W.0021.120622T1800Z-120623T0500Z/
/O.CON.KVEF.FW.A.0016.120623T1800Z-120624T0500Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
939 PM MST THU JUN 21 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 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 BY LATE FRIDAY MORNING WHILE
  HUMIDITY VALUES FALL BELOW 15 PERCENT. HUMIDITY RECOVERY AND
  DECREASING WINDS ARE EXPECTED LATE FRIDAY EVENING. CONDITIONS
  AND TIMING ARE EXPECTED TO BE VERY SIMILAR ON SATURDAY.

* WIND...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS OF 35 TO 40 
  MPH. 

* HUMIDITY...4 TO 9 PERCENT.

* IMPACTS...ANY FIRES THAT DO DEVELOP WILL HAVE THE POTENTIAL TO 
  SPREAD RAPIDLY. ANY ONGOING FIRES MAY EXPERIENCE RAPID AND 
  ERRATIC FIRE GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED. 

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.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS

Nearby

Red Flag Warnings in Nevada, 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.