Alert archive / Nevada / Red Flag Warnings in 2021

Red Flag Warning 11, NWS Las Vegas, NV

June 5, 2021Mohave County, Arizona; 4 counties in Nevada; Inyo County, Tulare County, California

NWS Las Vegas, NV issued this red flag warning at Jun 5, 2021, 1:32 PM MST for Mohave County, Arizona; 4 counties in Nevada; Inyo County, Tulare County, California. It took effect at Jun 6, 2021, 12:00 PM MST. It was in force for 3 days. 7 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
Jun 5, 2021, 1:32 PM MST (20:32 UTC)
In effect from
Jun 6, 2021, 12:00 PM MST
Expired
Jun 9, 2021, 8:00 PM MST
In force
3 days
Issued by
NWS Las Vegas, NV

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

The radar

The Las Vegas radar (KESX), 180 km from the middle of the area, began a volume at 20:30 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
Jun 9, 7:32 AM MSTNON-TSTM WND GST 6311 Sse Blue Eagle Ranch, NVCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 11 SSE BLUE EAGLE RANCH. TIMBER MOUNTAIN ELEV. 9000.
Jun 9, 7:32 AM MSTNON-TSTM WND GST 6311 Sse Blue Eagle Ranch, NVTIMBER MOUNTAIN ELEV. 9000.
Jun 9, 4:45 PM MSTHIGH SUST WINDS 438 E Tonopah, NVCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 8 E TONOPAH. ASOS STATION KTPH TONOPAH AIRPORT ASOS, ELEVATION 5402 FEET.
Jun 9, 4:45 PM MSTNON-TSTM WND GST 438 E Tonopah, NVASOS STATION KTPH TONOPAH AIRPORT ASOS, ELEVATION 5402 FEET.
Jun 9, 6:30 PM MSTNON-TSTM WND GST 7242 Ese Manhattan, NVCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 42 ESE MANHATTAN. CORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 42 ESE MANHATTAN. WARM SPRINGS SUMMIT ELEV. 7549.
Jun 9, 6:30 PM MSTNON-TSTM WND GST 7242 Ese Manhattan, NVCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 42 ESE MANHATTAN. WARM SPRINGS SUMMIT ELEV. 7549.
Jun 9, 6:30 PM MSTNON-TSTM WND GST 7242 Ese Manhattan, NVWARM SPRINGS SUMMIT ELEV. 7549.

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, 8.5 hours before the alert went out and 86 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 2021-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939Sfc1 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
7 J/kg
Mixed-layer CIN
-436 J/kg
Mixed-layer LCL
3996 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-36 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.

502 
WWUS85 KVEF 052032
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
132 PM PDT Sat Jun 5 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather 
conditions Sunday through Wednesday across much of southern Nevada
and northwest Arizona.

AZZ101-102-NVZ461>466-061200-
/O.NEW.KVEF.FW.W.0011.210606T1900Z-210608T0300Z/
/O.NEW.KVEF.FW.A.0007.210608T1900Z-210610T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-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-
132 PM PDT Sat Jun 5 2021 /132 PM MST Sat Jun 5 2021/

...RED FLAG WARNING IN EFFECT FROM NOON PDT /NOON MST/ SUNDAY TO
8 PM PDT /8 PM MST/ MONDAY FOR STRONG WINDS AND LOW HUMIDITY FOR
MUCH OF SOUTHERN NEVADA AND NORTHWEST ARIZONA...

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH 
WEDNESDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF 
SOUTHERN NEVADA AND NORTHWEST ARIZONA...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from noon PDT /noon MST/ Sunday to
8 PM PDT /8 PM MST/ Monday. A Fire Weather Watch has also been 
issued. This Fire Weather Watch is in effect from Tuesday 
afternoon through Wednesday evening. 

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. In
  Nevada...Fire weather zones 461, 462, 463, 464, 465, and 466. 

* TIMING...The combination of strong winds and low RH can be
  expected during the afternoon and early evening hours each day beginning
  Sunday and continuing through Wednesday. 

* WIND...South to southwest 20 to 25 mph with gusts 35 to 40 mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm 
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
8 follow-up statements
114 
WWUS85 KVEF 061202
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
502 AM PDT Sun Jun 6 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather
conditions Sunday through Wednesday across much of southern
Nevada and northwest Arizona.

AZZ101-102-NVZ461>466-070000-
/O.CON.KVEF.FW.W.0011.210606T1900Z-210608T0300Z/
/O.CON.KVEF.FW.A.0007.210608T1900Z-210610T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-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-
502 AM PDT Sun Jun 6 2021 /502 AM MST Sun Jun 6 2021/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON PDT /NOON MST/
TODAY TO 8 PM PDT /8 PM MST/ MONDAY FOR STRONG WINDS AND LOW
HUMIDITY FOR MUCH OF SOUTHERN NEVADA AND NORTHWEST ARIZONA...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR
MUCH OF SOUTHERN NEVADA AND NORTHWEST ARIZONA...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from noon PDT /noon MST/ Sunday to
8 PM PDT /8 PM MST/ Monday. A Fire Weather Watch has also been
issued. This Fire Weather Watch is in effect from Tuesday
afternoon through Wednesday evening.

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. 
  InNevada...Fire weather zones 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be
  expected during the afternoon and early evening hours each day
  beginning today and continuing through Wednesday. 

* WIND...South to southwest 20 to 25 mph with gusts to around 35
  mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
430 
WWUS85 KVEF 061934
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
1234 PM PDT Sun Jun 6 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather
conditions Sunday through Wednesday across much of southern
Nevada and northwest Arizona.

AZZ101-102-NVZ461>466-071300-
/O.CAN.KVEF.FW.A.0007.210608T1900Z-210610T0300Z/
/O.EXT.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-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-
1234 PM PDT Sun Jun 6 2021 /1234 PM MST Sun Jun 6 2021/

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHERN
NEVADA AND NORTHWEST ARIZONA...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from noon Sunday to 8 PM Wednesday.

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. 
  InNevada...Fire weather zones 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours each 
  day beginning today and continuing through Wednesday.

* WIND...South to southwest 20 to 25 mph with gusts to around 
  35 mph. 

* HUMIDITY...5 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&


$$


weather.gov/lasvegas
337 
WWUS85 KVEF 071258
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
558 AM PDT Mon Jun 7 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather
conditions through Wednesday across much of southern Nevada and 
northwest Arizona.

AZZ101-102-NVZ461>466-080100-
/O.CON.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-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-
558 AM PDT Mon Jun 7 2021 /558 AM MST Mon Jun 7 2021/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHERN
NEVADA AND NORTHWEST ARIZONA...

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. 
  In Nevada...Fire weather zones 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be
  expected during the afternoon and early evening hours each day 
  through Wednesday.

* WIND...South to southwest 20 to 25 mph with gusts to around 
  35 mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
787 
WWUS85 KVEF 071813
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
1113 AM PDT Mon Jun 7 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather
conditions through Wednesday across much of southern Nevada and
northwest Arizona.

CAZ226-081100-
/O.EXB.KVEF.FW.W.0011.210609T1800Z-210610T0300Z/
Owens Valley/Southern Inyo Forest-
1113 AM PDT Mon Jun 7 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT WEDNESDAY
FOR STRONG WINDS AND LOW HUMIDITY FOR THE OWENS VALLEY AND EASTERN
SLOPES OF THE SIERRA...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM PDT Wednesday. 

* AFFECTED AREA...In California...Fire weather zone 226.
 
* TIMING...The combination of strong winds and low RH can be
  expected during the afternoon and early evening hours on 
  Wednesday.

* WIND...South to southwest 20 to 30 mph with gusts to 35 to 45 
  mph in the Owens Valley. For the higher elevations of the 
  Sierra, speeds of 30 to 40 mph with gusts of 45 to 55 mph. 

* HUMIDITY...5 to 15 percent below 8000 feet.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$

NVZ460-081100-
/O.EXA.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
Esmeralda and Nye County Deserts/CNC Dispatch-
1113 AM PDT Mon Jun 7 2021

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR STRONG
WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 460...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect until 8 PM PDT Wednesday. 

* AFFECTED AREA...In Nevada...Fire weather zone 460. 

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours each 
  day through Wednesday.

* WIND...South to southwest 20 to 25 mph with gusts to around 
  35 mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$

AZZ101-102-NVZ461>466-081100-
/O.CON.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-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-
1113 AM PDT Mon Jun 7 2021 /1113 AM MST Mon Jun 7 2021/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHERN
NEVADA AND NORTHWEST ARIZONA...

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. 
  In Nevada...Fire weather zones 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours each 
  day through Wednesday.

* WIND...South to southwest 20 to 25 mph with gusts to around 35
  mph. Stronger winds expected on Wednesday for Esmeralda, Nye,
  and Lincoln counties at 30 to 40 mph with gusts to 40 to 55 
  mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
736 
WWUS85 KVEF 080914
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
214 AM PDT Tue Jun 8 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather
conditions through Wednesday across much of southern Nevada and
northwest Arizona.

CAZ227-082300-
/O.EXA.KVEF.FW.W.0011.210609T1800Z-210610T0300Z/
Death Valley National Park-
214 AM PDT Tue Jun 8 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT WEDNESDAY
FOR STRONG WINDS AND LOW HUMIDITY FOR DEATH VALLEY NATIONAL PARK...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM PDT Wednesday. 

* AFFECTED AREA...In California...Fire weather zone 227.

* TIMING...The combination of strong winds and low RH can be
  expected late Wednesday morning through early Wednesday evening.

* WIND...South to southwest 25 to 40 mph with gusts 45 to 60 mph.

* HUMIDITY...5 to 15 percent below 8000 feet.

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is discouraged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$

AZZ101-102-NVZ460>466-082300-
/O.CON.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
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-
214 AM PDT Tue Jun 8 2021 /214 AM MST Tue Jun 8 2021/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHERN
NEVADA AND NORTHWEST ARIZONA...

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. 
  In Nevada...Fire weather zones 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be
  expected during the afternoonand early evening hours today and 
  Wednesday.

* WIND...South to southwest 20 to 25 mph with gusts to around 35
  mph today. Stronger winds are expected on Wednesday for Inyo,
  Esmeralda, Nye, and Lincoln counties at 30 to 40 mph with gusts 
  to 40 to 55 mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$

CAZ226-082300-
/O.CON.KVEF.FW.W.0011.210609T1800Z-210610T0300Z/
Owens Valley/Southern Inyo Forest-
214 AM PDT Tue Jun 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR THE OWENS VALLEY
AND EASTERN SLOPES OF THE SIERRA...

* AFFECTED AREA...In California...Fire weather zone 226.

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours on 
  Wednesday.

* WIND...South to southwest 25 to 40 mph with gusts to 45 to 60
  mph in the Owens Valley. Higher winds are possible in the higher
  elevations of the Sierra.

* HUMIDITY...5 to 15 percent below 8000 feet.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
873 
WWUS85 KVEF 082002
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
102 PM PDT Tue Jun 8 2021

.A prolonged period of strong south to southwest winds combined
with low relative humidity will lead to critical fire weather
conditions through Wednesday across portions of southeast
California, much of southern Nevada and northwest Arizona.

AZZ101-102-NVZ460>466-091100-
/O.CON.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
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-
102 PM PDT Tue Jun 8 2021 /102 PM MST Tue Jun 8 2021/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHERN
NEVADA AND NORTHWEST ARIZONA...

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. 
  In Nevada...Fire weather zones 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours today 
  and Wednesday.

* WIND...South to southwest 20 to 25 mph with gusts to around 
  35 mph today. Stronger winds are expected on Wednesday for 
  Inyo, Esmeralda, Nye, and Lincoln counties at 30 to 40 mph 
  with gusts to 40 to 55 mph.

* HUMIDITY...5 to 15 percent.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$

CAZ226-227-091100-
/O.CON.KVEF.FW.W.0011.210609T1800Z-210610T0300Z/
Owens Valley/Southern Inyo Forest-Death Valley National Park-
102 PM PDT Tue Jun 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT
WEDNESDAY FOR STRONG WINDS AND LOW HUMIDITY FOR THE OWENS VALLEY
AND EASTERN SLOPES OF THE SIERRA...

* AFFECTED AREA...In California...Fire weather zone 226.

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours on 
  Wednesday.

* WIND...South to southwest 25 to 40 mph with gusts to 45 to 60 
  mph in the Owens Valley. Higher winds are possible in the 
  higher elevations of the Sierra. 

* HUMIDITY...5 to 15 percent below 8000 feet.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
641 
WWUS85 KVEF 090924
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
224 AM PDT Wed Jun 9 2021

.Strong south to southwest winds today will combine with low 
relative humidity leading to critical fire weather conditions 
across portions of southeast California, much of southern Nevada 
and northwest Arizona.

AZZ101-102-NVZ460>466-100300-
/O.CON.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
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-
224 AM PDT Wed Jun 9 2021 /224 AM MST Wed Jun 9 2021/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF
SOUTHERN NEVADA AND NORTHWEST ARIZONA...

* AFFECTED AREA...In Arizona...Fire weather zones 101 and 102. In
  Nevada...Fire weather zones 460, 461, 462, 463, 464, 465, and 
  466. 

* TIMING...The combination of strong winds and low RH can be
  expected during the afternoon and early evening hours today.

* WIND...In Inyo, Esmeralda, Nye, and Lincoln counties, south to
  southwest 30 to 40 mph with gusts to 50 to 60 mph. Elsewhere,
  south to southwest 20 to 25 mph with gusts up to 45 mph. 

* HUMIDITY...5 to 15 percent.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$

CAZ226-227-100300-
/O.CON.KVEF.FW.W.0011.210609T1800Z-210610T0300Z/
Owens Valley/Southern Inyo Forest-Death Valley National Park-
224 AM PDT Wed Jun 9 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR THE
OWENS VALLEY AND EASTERN SLOPES OF THE SIERRA...

* AFFECTED AREA...In California...Fire weather zones 226 and 227.

* TIMING...The combination of strong winds and low RH can be 
  expected during the afternoon and early evening hours on 
  Wednesday.

* WIND...South to southwest 25 to 40 mph with gusts 45 to 60 mph
  in the Owens Valley. Higher winds are possible in the higher
  elevations of the Sierra. South to southwest 20 to 30 mph with
  gusts to around 45 mph elsewhere.

* HUMIDITY...5 to 15 percent below 8000 feet.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A combination of strong winds...low relative humidity...and warm
temperatures can contribute to extreme fire behavior. Heed all
local fire restrictions.

&&

$$


weather.gov/lasvegas
867 
WWUS85 KVEF 100256
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
756 PM PDT Wed Jun 9 2021


AZZ101-102-CAZ226-227-NVZ460>466-100400-
/O.EXP.KVEF.FW.W.0011.000000T0000Z-210610T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-
Owens Valley/Southern Inyo Forest-Death Valley National Park-
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-
756 PM PDT Wed Jun 9 2021 /756 PM MST Wed Jun 9 2021/

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS
EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHERN
NEVADA AND NORTHWEST ARIZONA...

Wind speeds will continue to diminish overnight across most of the
region while humidity values across the lower deserts slowly
recover to above 15 percent. Humidity values in the higher
elevations have already risen above 15 percent.

The region will get a reprieve from the gusty winds the next
several days while temperatures begin to rise.

$$

weather.gov/lasvegas

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 1:19 PM MSTLake Wind AdvisoryVEF31 hr
Jun 5, 1:32 PM MSTFire Weather WatchVEFMohave23 hr

Nearby

Red Flag Warnings in Nevada, 2021Red Flag Warnings in California, 2021Red Flag Warnings in Arizona, 2021Every red flag warning in 2021

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.