Alert archive / Nevada / Red Flag Warnings in 2014

Red Flag Warning 13, NWS Las Vegas, NV

June 1, 20144 counties in Nevada; Mohave County, Arizona; San Bernardino County, California

NWS Las Vegas, NV issued this red flag warning at Jun 1, 2014, 2:23 PM PDT for 4 counties in Nevada; Mohave County, Arizona; San Bernardino County, California. It took effect at Jun 2, 2014, 12:00 PM 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 1, 2014, 2:23 PM PDT (21:23 UTC)
In effect from
Jun 2, 2014, 12:00 PM PDT
Expired
Jun 2, 2014, 9:00 PM PDT
In force
9 hr
Issued by
NWS Las Vegas, NV

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

The radar

The Las Vegas radar (KESX), 131 km from the middle of the area, began a volume at 21:21 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 38 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 2014-06-01Temperature 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 2014-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939587897Sfc1 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
4402 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
33 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.

027 
WWUS85 KVEF 012123
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
223 PM PDT SUN JUN 1 2014

.VERY LOW RELATIVE HUMIDITY WILL REMAIN IN PLACE THROUGH THE COMING
WEEK. A DISTURBANCE MOVING ACROSS THE AREA WILL BRING STRONG
SOUTHWEST WINDS MONDAY AFTERNOON AND EVENING...COMBINING WITH THE
LOW RELATIVE HUMIDITY AND DRY FUELS TO BRING CRITICAL FIRE WEATHER
CONDITIONS TO SOUTHERN NEVADA...NORTHWEST ARIZONA AND THE COLORADO
RIVER VALLEY AFTERNOON AND EVENING.

AZZ101-102-CAZ229-NVZ461>466-021400-
/O.UPG.KVEF.FW.A.0009.140602T1800Z-140603T0400Z/
/O.NEW.KVEF.FW.W.0013.140602T1900Z-140603T0400Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-
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-
223 PM PDT SUN JUN 1 2014 /223 PM MST SUN JUN 1 2014/

...RED FLAG WARNING IN EFFECT FROM NOON PDT /NOON MST/ TO 9 PM
PDT /9 PM MST/ MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 101...102...229...461...462...463...464...
465 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 NOON PDT /NOON MST/ TO 9 PM PDT /9 PM MST/ MONDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* 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 CALIFORNIA...FIRE WEATHER ZONE 
  229 LOWER COLORADO RIVER VALLEY. 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...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...WINDS WILL INCREASE BY EARLY MONDAY AFTERNOON WITH
  STRONG WINDS AND LOW HUMIDITY PERSISTING THROUGH MUCH OF THE
  EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH. 

* HUMIDITY...MAINLY BELOW 10 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS CAN CREATE CONDITIONS THAT ARE 
  FAVORABLE FOR EXTREME FIRE BEHAVIOR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE FIRE
WEATHER OFFICIALS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

NVZ460-021400-
/O.NEW.KVEF.FW.W.0013.140602T1900Z-140603T0400Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
223 PM PDT SUN JUN 1 2014

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT MONDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
460...

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 NOON TO 9 PM PDT MONDAY.

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

* TIMING...WINDS WILL INCREASE BY EARLY MONDAY AFTERNOON WITH
  STRONG WINDS AND LOW HUMIDITY PERSISTING THROUGH MUCH OF THE
  EVENING.

* WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH.

* HUMIDITY...MAINLY BELOW 10 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY
  AND DRY FUELS CAN CREATE CONDITIONS THAT ARE FAVORABLE FOR EXTREME
  FIRE BEHAVIOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE FIRE
WEATHER OFFICIALS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
3 follow-up statements
420 
WWUS85 KVEF 020940
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
240 AM PDT MON JUN 2 2014

.VERY LOW RELATIVE HUMIDITY WILL REMAIN IN PLACE THIS WEEK. A
DISTURBANCE MOVING ACROSS THE AREA WILL BRING GUSTY SOUTHWEST WINDS THIS
AFTERNOON AND EVENING. THIS COMBINED WITH THE LOW RELATIVE HUMIDITY AND DRY
FUELS WILL BRING CRITICAL FIRE WEATHER CONDITIONS TO SOUTHERN
NEVADA...NORTHWEST ARIZONA AND THE COLORADO RIVER VALLEY OF SAN
BERNARDINO COUNTY THIS AFTERNOON AND EVENING.

AZZ101-102-CAZ229-NVZ460>466-021900-
/O.CON.KVEF.FW.W.0013.140602T1900Z-140603T0400Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-
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-
240 AM PDT MON JUN 2 2014 /240 AM MST MON JUN 2 2014/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON PDT /NOON MST/
TODAY TO 9 PM PDT /9 PM MST/ THIS EVENING FOR STRONG WINDS AND
LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 101...102...229...
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 CALIFORNIA...FIRE WEATHER ZONE 
  229 LOWER COLORADO RIVER VALLEY. 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...WINDS WILL INCREASE BY EARLY THIS AFTERNOON WITH STRONG WINDS
  AND LOW HUMIDITY PERSISTING THROUGH MUCH OF THE EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS OF 30 TO 40 MPH.

* HUMIDITY...MAINLY BELOW 10 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS CAN CREATE CONDITIONS THAT ARE 
  FAVORABLE FOR EXTREME FIRE BEHAVIOR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE FIRE
WEATHER OFFICIALS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

STACHELSKI

HTTP://WEATHER.GOV/LASVEGAS
916 
WWUS85 KVEF 021837
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1137 AM PDT MON JUN 2 2014

.VERY LOW RELATIVE HUMIDITY WILL REMAIN IN PLACE THIS WEEK. A
DISTURBANCE MOVING ACROSS THE AREA WILL BRING GUSTY SOUTHWEST
WINDS THIS AFTERNOON AND EVENING. THIS COMBINED WITH THE LOW
RELATIVE HUMIDITY AND DRY FUELS WILL BRING CRITICAL FIRE WEATHER
CONDITIONS TO SOUTHERN NEVADA...NORTHWEST ARIZONA AND THE
COLORADO RIVER VALLEY OF SAN BERNARDINO COUNTY THIS AFTERNOON AND
EVENING.

AZZ101-102-CAZ229-NVZ460>466-030400-
/O.CON.KVEF.FW.W.0013.140602T1900Z-140603T0400Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-
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-
1137 AM PDT MON JUN 2 2014 /1137 AM MST MON JUN 2 2014/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT /9 PM MST/
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 101...102...229...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 CALIFORNIA...FIRE WEATHER ZONE 
  229 LOWER COLORADO RIVER VALLEY. 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...WINDS WILL CONTINUE THIS AFTERNOON AND EVENING...BEFORE
  DECREASING THIS EVENING. 

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS OF 30 TO 40 MPH.

* HUMIDITY...MAINLY BELOW 10 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE 
  HUMIDITY AND DRY FUELS CAN CREATE CONDITIONS THAT ARE 
  FAVORABLE FOR EXTREME FIRE BEHAVIOR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE FIRE
WEATHER OFFICIALS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
371 
WWUS85 KVEF 030333
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
833 PM PDT MON JUN 2 2014

AZZ101-102-CAZ229-NVZ460>466-030445-
/O.EXP.KVEF.FW.W.0013.000000T0000Z-140603T0400Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-
NORTHWEST DESERTS/NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-
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-
833 PM PDT MON JUN 2 2014 /833 PM MST MON JUN 2 2014/

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT /9 PM MST/ THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 101...102...229...461...462...463...464...465 AND
466...

WINDS WERE BEGINNING TO SUBSIDE THIS EVENING...SO THE RED FLAG
WARNING WILL BE ALLOWED TO EXPIRE.

RELATIVE HUMIDITIES WILL REMAIN VERY LOW OVERNIGHT.

$$

MORGAN

HTTP://WEATHER.GOV/LASVEGAS

Nearby

Red Flag Warnings in Nevada, 2014Red Flag Warnings in Arizona, 2014Red Flag Warnings in California, 2014Every red flag warning in 2014

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.