Alert archive / Nevada / Red Flag Warnings in 2020

Red Flag Warning 13, NWS Elko, NV

July 5, 20204 counties in Nevada

NWS Elko, NV issued this red flag warning at Jul 5, 2020, 2:31 PM PDT for 4 counties in Nevada. It took effect at Jul 6, 2020, 2:00 PM PDT. It was in force for 7 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
Jul 5, 2020, 2:31 PM PDT (21:31 UTC)
In effect from
Jul 6, 2020, 2:00 PM PDT
Expired
Jul 6, 2020, 9:00 PM PDT
In force
7 hr
Issued by
NWS Elko, NV

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

The radar

The Elko radar (KLRX), 101 km from the middle of the area, began a volume at 21:36 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, 9.5 hours before the alert went out and 109 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 2020-07-05Temperature 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 2020-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
3111 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

210 
WWUS85 KLKN 052131
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
231 PM PDT Sun Jul 5 2020

NVZ424-427-437-061545-
/O.NEW.KLKN.FW.W.0013.200706T2100Z-200707T0400Z/
Southeastern Humboldt County and northern Lander County-
Central Nevada-Toiyabe-Humboldt County-Quinn-
231 PM PDT Sun Jul 5 2020

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM PDT MONDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
424...427 AND 437...

The National Weather Service in Elko has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 2 PM to 9 PM PDT Monday.

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County...Fire Weather Zone 427 
  Central Nevada-Toiyabe and Fire Weather Zone 437 Humboldt 
  County-Quinn.

* Winds...Southwest 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.

&&

$$
3 follow-up statements
507 
WWUS85 KLKN 060912
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
212 AM PDT Mon Jul 6 2020

NVZ424-427-437-070315-
/O.CON.KLKN.FW.W.0013.200706T2100Z-200707T0400Z/
Southeastern Humboldt County and northern Lander County-
Central Nevada-Toiyabe-Humboldt County-Quinn-
212 AM PDT Mon Jul 6 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 424...427 AND 437...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County...Fire Weather Zone 427 
  Central Nevada-Toiyabe and Fire Weather Zone 437 Humboldt 
  County-Quinn.

* Winds...Southwest 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.

&&

$$
503 
WWUS85 KLKN 062122
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
222 PM PDT Mon Jul 6 2020


NVZ424-427-437-070400-
/O.CON.KLKN.FW.W.0013.000000T0000Z-200707T0400Z/
Southeastern Humboldt County and northern Lander County-
Central Nevada-Toiyabe-Humboldt County-Quinn-
222 PM PDT Mon Jul 6 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
424...427 AND 437...

* Affected Area...Fire Weather Zone 424 Southeastern Humboldt 
  County and northern Lander County...Fire Weather Zone 427 
  Central Nevada-Toiyabe and Fire Weather Zone 437 Humboldt 
  County-Quinn.

* Winds...Southwest 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.

&&

$$
927 
WWUS85 KLKN 070403
RFWLKN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
903 PM PDT Mon Jul 6 2020



NVZ424-427-437-070515-
/O.EXP.KLKN.FW.W.0013.000000T0000Z-200707T0400Z/
Southeastern Humboldt County and northern Lander County-
Central Nevada-Toiyabe-Humboldt County-Quinn-
903 PM PDT Mon Jul 6 2020

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 424...427 AND 437...

Winds have decreased below criteria. Surface humidity is still at
or below critical thresholds. Extreme fire behavior is not
expected. 

$$

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.