Alert archive / Nevada / Red Flag Warnings in 2021

Red Flag Warning 13, NWS Elko, NV

September 16, 2021Eureka County, Lander County, Nye County, Nevada

NWS Elko, NV issued this red flag warning at Sep 16, 2021, 10:50 AM PDT for Eureka County, Lander County, Nye County, Nevada. It took effect at Sep 17, 2021, 12:00 PM PDT. It was in force for 8 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
Sep 16, 2021, 10:50 AM PDT (17:50 UTC)
In effect from
Sep 17, 2021, 12:00 PM PDT
Expired
Sep 17, 2021, 7:54 PM PDT
In force
8 hr
Issued by
NWS Elko, NV

Counties Eureka County, NV, Lander County, NV, Nye County, NV

The radar

The Elko radar (KLRX), 159 km from the middle of the area, began a volume at 17:50 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

Reno, NV (KREV), launched 12:00Z, 5.8 hours before the alert went out and 141 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, Reno, NV at 12:00Z on 2021-09-16Temperature 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, Reno, NV at 12:00Z on 2021-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
3089 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

754 
WWUS85 KLKN 161750
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
1050 AM PDT Thu Sep 16 2021


NVZ426-427-171200-
/O.NEW.KLKN.FW.W.0013.210917T1900Z-210918T0300Z/
/O.EXT.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
Northern Nye County-Mojave-Central Nevada-Toiyabe-
1050 AM PDT Thu Sep 16 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT FRIDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
426 AND 427...
...FIRE WEATHER WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 426 AND 427...

The National Weather Service in Elko has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from noon to 8 PM PDT Friday.

* Affected Area...Fire Weather Zone 426 Northern Nye County- 
  Mojave and Fire Weather Zone 427 Central Nevada-Toiyabe.

* Winds...South 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 8 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.

&&

$$

NVZ424-437-438-171200-
/O.EXB.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
W Elko County, N Eureka and Lander Counties N of I80-
1050 AM PDT Thu Sep 16 2021

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 424, 437, AND 438...

The National Weather Service in Elko has issued a Fire Weather
Watch for gusty winds and low relative humidity, which is in
effect from Saturday afternoon through Saturday evening.

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County, Fire Weather Zone 437 
  Humboldt County-Quinn, Fire Weather Zone 438 W Elko County and 
  N Eureka and Lander Counties N of I80.

* Winds...Southwest 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 10 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.

&&

$$

NVZ425-171200-
/O.EXT.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
White Pine and Northeast Nye Counties-
1050 AM PDT Thu Sep 16 2021

...FIRE WEATHER WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 425...

* Affected Area...Fire Weather Zone 425 White Pine and Northeast 
  Nye Counties.

* Winds...Southwest 15 to 20 mph with gusts up to 35 mph.

* Relative Humidity...As low as 17 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.

&&

$$
3 follow-up statements
827 
WWUS85 KLKN 170845
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
145 AM PDT Fri Sep 17 2021


NVZ426-427-180330-
/O.CON.KLKN.FW.W.0013.210917T1900Z-210918T0300Z/
/O.CON.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
Northern Nye County-Mojave-Central Nevada-Toiyabe-
145 AM PDT Fri Sep 17 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 426 AND 427...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 426 AND 427...

* Affected Area...Fire Weather Zone 426 Northern Nye County- 
  Mojave and Fire Weather Zone 427 Central Nevada-Toiyabe.

* Winds...South 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 8 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.

&&

$$

NVZ469-470-180330-
/O.EXA.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
Central Elko County-Eastern Elko County-
145 AM PDT Fri Sep 17 2021

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 469 AND 470...

The National Weather Service in Elko has issued a Fire Weather
Watch for gusty winds and low relative humidity, which is in
effect from Saturday afternoon through Saturday evening.

* Affected Area...Fire Weather Zone 469 Central Elko County and 
  Fire Weather Zone 470 Eastern Elko County.

* Winds...Southwest 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 12 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.

&&

$$

NVZ424-425-437-438-180330-
/O.CON.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
Southeastern Humboldt County and northern Lander County-
White Pine and Northeast Nye Counties-Humboldt County-Quinn-
W Elko County, N Eureka and Lander Counties N of I80-
145 AM PDT Fri Sep 17 2021

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 424, 437, AND 438...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County, Fire Weather Zone 425 White 
  Pine and Northeast Nye Counties, Fire Weather Zone 437 
  Humboldt County-Quinn, Fire Weather Zone 438 W Elko County and 
  N Eureka and Lander Counties N of I80.

* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 10 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.

&&

$$
722 
WWUS85 KLKN 171739
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
1039 AM PDT Fri Sep 17 2021

NVZ426-180300-
/O.CAN.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
/O.CON.KLKN.FW.W.0013.210917T1900Z-210918T0300Z/
Northern Nye County-Mojave-
1039 AM PDT Fri Sep 17 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
426...
...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW
RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 426...

The National Weather Service in Elko has cancelled the Fire
Weather Watch.

* Affected Area...Fire Weather Zone 426 Northern Nye County- 
  Mojave.

* Winds...South 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 9 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NVZ427-181145-
/O.UPG.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
/O.NEW.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/
/O.CON.KLKN.FW.W.0013.210917T1900Z-210918T0300Z/
Central Nevada-Toiyabe-
1039 AM PDT Fri Sep 17 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
427...
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT SATURDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 427...

The National Weather Service in Elko has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from noon to 8 PM PDT Saturday. The Fire Weather Watch is
no longer in effect.

* Affected Area...Fire Weather Zone 427 Central Nevada-Toiyabe.

* Winds...South 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 9 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NVZ424-425-437-438-469-470-181145-
/O.UPG.KLKN.FW.A.0012.210918T1900Z-210919T0300Z/
/O.NEW.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/
Southeastern Humboldt County and northern Lander County-
White Pine and Northeast Nye Counties-Humboldt County-Quinn-
W Elko County, N Eureka and Lander Counties N of I80-
Central Elko County-Eastern Elko County-
1039 AM PDT Fri Sep 17 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT SATURDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 424,
425, 437, 438, 469, AND 470...

The National Weather Service in Elko has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from noon to 8 PM PDT Saturday. The Fire Weather Watch is
no longer in effect.

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County, Fire Weather Zone 425 White 
  Pine and Northeast Nye Counties, Fire Weather Zone 437 
  Humboldt County-Quinn, Fire Weather Zone 438 W Elko County, N 
  Eureka and Lander Counties N of I80, Fire Weather Zone 469 
  Central Elko County and Fire Weather Zone 470 Eastern Elko 
  County.

* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 11 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$
710 
WWUS85 KLKN 180254
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
754 PM PDT Fri Sep 17 2021


NVZ427-182100-
/O.CAN.KLKN.FW.W.0013.000000T0000Z-210918T0300Z/
/O.CON.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/
Central Nevada-Toiyabe-
754 PM PDT Fri Sep 17 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM PDT
SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 427...
...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 427...

The National Weather Service in Elko has cancelled the Red Flag
Warning.

* Affected Area...Fire Weather Zone 427 Central Nevada-Toiyabe.

* Winds...South 10 to 20 mph with gusts up to 35 mph.

* Relative Humidity...As low as 6 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NVZ426-180400-
/O.CAN.KLKN.FW.W.0013.000000T0000Z-210918T0300Z/
Northern Nye County-Mojave-
754 PM PDT Fri Sep 17 2021

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 426...

The National Weather Service in Elko has cancelled the Red Flag
Warning.

Winds have decreased below critical thresholds, and RH values
continue to rise overnight. The Red Flag Warning is allowed to
expire.

$$

NVZ424-425-437-438-469-470-182100-
/O.CON.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/
Southeastern Humboldt County and northern Lander County-
White Pine and Northeast Nye Counties-Humboldt County-Quinn-
W Elko County, N Eureka and Lander Counties N of I80-
Central Elko County-Eastern Elko County-
754 PM PDT Fri Sep 17 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM PDT
SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 424, 425, 437, 438, 469, AND 470...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County, Fire Weather Zone 425 White 
  Pine and Northeast Nye Counties, Fire Weather Zone 437 
  Humboldt County-Quinn, Fire Weather Zone 438 W Elko County, N 
  Eureka and Lander Counties N of I80, Fire Weather Zone 469 
  Central Elko County and Fire Weather Zone 470 Eastern Elko 
  County.

* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 11 percent.

* Impacts...The combination of gusty winds and low humidity will 
  create critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$

84

Nearby

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