Alert archive / Nevada / Red Flag Warnings in 2020

Red Flag Warning 21, NWS Elko, NV

August 23, 20205 counties in Nevada

NWS Elko, NV issued this red flag warning at Aug 23, 2020, 2:49 PM PDT for 5 counties in Nevada. It took effect at Aug 24, 2020, 9:00 AM PDT. It was in force for 21 hr. 1 report 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
Aug 23, 2020, 2:49 PM PDT (21:49 UTC)
In effect from
Aug 24, 2020, 9:00 AM PDT
Expired
Aug 25, 2020, 6:00 AM PDT
In force
21 hr
Issued by
NWS Elko, NV

Counties Elko County, NV, Eureka County, NV, Humboldt County, NV, Lander County, NV, Nye County, NV

The radar

The Elko radar (KLRX), 72 km from the middle of the area, began a volume at 21:50 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.

What was reported inside it

TimeReportWhereRemark
Aug 24, 4:57 PM PDTTSTM WND GST 5912 Nne Wells, NVMESONET STATION BSPNV 12.4 NE WELLS (NV DOT), ELEVATION 6002 FEET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 9.8 hours before the alert went out and 145 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 2020-08-23Temperature 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 2020-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
3711 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

655 
WWUS85 KLKN 232149
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
249 PM PDT Sun Aug 23 2020


NVZ424-437-241600-
/O.NEW.KLKN.FW.W.0021.200824T1600Z-200825T1300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
249 PM PDT Sun Aug 23 2020

...RED FLAG WARNING IN EFFECT FROM 9 AM MONDAY TO 6 AM PDT
TUESDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONES 424 AND 437...

The National Weather Service in Elko has issued a Red Flag
Warning for dry thunderstorms and gusty outflow winds, which is
in effect from 9 AM Monday to 6 AM PDT Tuesday.

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County and Fire Weather Zone 437 
  Humboldt County-Quinn.

* Thunderstorm Coverage...Scattered thunderstorms, many storms
  will be dry, will develop Monday morning and expand in areal 
  coverage in the afternoon. Some storms will continue through 
  Monday night.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may occur
  with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$

NVZ427-438-241600-
/O.NEW.KLKN.FW.W.0021.200824T1900Z-200825T0700Z/
Central Nevada-Toiyabe-
W Elko County, N Eureka and Lander Counties N of I80-
249 PM PDT Sun Aug 23 2020

...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO MIDNIGHT PDT
MONDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR
FIRE WEATHER ZONES 427 AND 438...

The National Weather Service in Elko has issued a Red Flag
Warning for dry thunderstorms and gusty outflow winds, which is
in effect from noon Monday to midnight PDT Monday night.

* Affected Area...Fire Weather Zone 427 Central Nevada-Toiyabe 
  and Fire Weather Zone 438 W Elko County, N Eureka and Lander 
  Counties N of I80.

* Thunderstorm Coverage...Scattered thunderstorms, many storms
  will be dry, will develop Monday afternoon. Some storms will
  continue through Monday evening, but are expected to end by 
  midnight.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may occur
  with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$
5 follow-up statements
303 
WWUS85 KLKN 240925
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
225 AM PDT Mon Aug 24 2020


NVZ424-437-250330-
/O.CON.KLKN.FW.W.0021.200824T1600Z-200825T1300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
225 AM PDT Mon Aug 24 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
6 AM PDT TUESDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS
FOR FIRE WEATHER ZONES 424 AND 437...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County and Fire Weather Zone 437 
  Humboldt County-Quinn.

* Thunderstorm Coverage...Scattered thunderstorms, many storms
  will be dry, will develop this morning and expand in areal
  coverage in the afternoon. Some storms will continue through
  tonight. 

* Outflow Winds...Gusty winds in the 40 to 50 mph range may 
  occur with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$

NVZ427-438-250330-
/O.CON.KLKN.FW.W.0021.200824T1900Z-200825T0700Z/
Central Nevada-Toiyabe-
W Elko County, N Eureka and Lander Counties N of I80-
225 AM PDT Mon Aug 24 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
PDT TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR
FIRE WEATHER ZONES 427 AND 438...

* Affected Area...Fire Weather Zone 427 Central Nevada-Toiyabe 
  and Fire Weather Zone 438 W Elko County, N Eureka and Lander 
  Counties N of I80.

* Thunderstorm Coverage...Scattered thunderstorms, many storms
  will be dry, will develop this afternoon. Some storms will
  continue through this evening, but are expected to end by 
  midnight.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may 
  occur with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$
940 
WWUS85 KLKN 241947
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
1247 PM PDT Mon Aug 24 2020


NVZ424-437-251300-
/O.CON.KLKN.FW.W.0021.000000T0000Z-200825T1300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
1247 PM PDT Mon Aug 24 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT TUESDAY FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES
424 AND 437...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County and Fire Weather Zone 437 
  Humboldt County-Quinn.

* Thunderstorm Coverage...Scattered thunderstorms, many storms
  will be dry, will expand in areal coverage in the afternoon. 
  Some storms will continue through tonight.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may 
  occur with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$

NVZ427-438-250700-
/O.CON.KLKN.FW.W.0021.000000T0000Z-200825T0700Z/
Central Nevada-Toiyabe-
W Elko County, N Eureka and Lander Counties N of I80-
1247 PM PDT Mon Aug 24 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER
ZONES 427 AND 438...

* Affected Area...Fire Weather Zone 427 Central Nevada-Toiyabe 
  and Fire Weather Zone 438 W Elko County, N Eureka and Lander 
  Counties N of I80.

* Thunderstorm Coverage...Scattered thunderstorms, many storms
  will be dry. Some storms will continue through this evening, 
  but are expected to end by midnight.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may 
  occur with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$
490 
WWUS85 KLKN 250710
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
1210 AM PDT Tue Aug 25 2020


NVZ427-438-250815-
/O.EXP.KLKN.FW.W.0021.000000T0000Z-200825T0700Z/
Central Nevada-Toiyabe-
W Elko County, N Eureka and Lander Counties N of I80-
1210 AM PDT Tue Aug 25 2020

...RED FLAG WARNING HAS EXPIRED FOR DRY THUNDERSTORMS AND GUSTY
OUTFLOW WINDS FOR FIRE WEATHER ZONES 427 AND 438...

Thunderstorms have all but ended over zone 427. Another lighting
strike or two may occur over zone 438 through the night. Any
showers that occurs may bring a few hundredths of an inch of rain
to a particular spot but won't last long. 

$$

NVZ424-437-251300-
/O.CON.KLKN.FW.W.0021.000000T0000Z-200825T1300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
1210 AM PDT Tue Aug 25 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONES 424 AND 437...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County and Fire Weather Zone 437 
  Humboldt County-Quinn.

* Thunderstorm Coverage...Scattered thunderstorms, many storms 
  will be dry, will expand in areal coverage in the afternoon. 
  Some storms will continue through tonight.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may 
  occur with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$
418 
WWUS85 KLKN 250804
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
104 AM PDT Tue Aug 25 2020



NVZ424-437-251300-
/O.CON.KLKN.FW.W.0021.000000T0000Z-200825T1300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
104 AM PDT Tue Aug 25 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONES 424 AND 437...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County and Fire Weather Zone 437 
  Humboldt County-Quinn.

* Thunderstorm Coverage...Scattered thunderstorms, many storms 
  will be dry, will expand in areal coverage in the afternoon. 
  Some storms will continue through tonight.

* Outflow Winds...Gusty winds in the 40 to 50 mph range may 
  occur with the strongest thunderstorms.

* Impacts...Dry lightning may create new fire starts and combine 
  with strong outflow winds to produce rapid fire growth.

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.

&&

$$
768 
WWUS85 KLKN 251303
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
603 AM PDT Tue Aug 25 2020


NVZ424-437-251415-
/O.EXP.KLKN.FW.W.0021.000000T0000Z-200825T1300Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
603 AM PDT Tue Aug 25 2020

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 424 AND 437...

Radar shows a few light showers exiting the area to the north.
More storms and showers will form today, but area expected to be
either a mix of wet and dry, or on the wet side. 



$$

Nearby

Red Flag Warnings in Nevada, 2020Every red flag warning in 2020

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.