Alert archive / Nevada / Red Flag Warnings in 2021
Red Flag Warning 15, NWS Elko, NV
NWS Elko, NV issued this red flag warning at Sep 26, 2021, 4:33 PM PDT for Humboldt County, Nevada. It took effect at Sep 27, 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 26, 2021, 4:33 PM PDT (23:33 UTC)
- In effect from
- Sep 27, 2021, 12:00 PM PDT
- Expired
- Sep 27, 2021, 8:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS Elko, NV
County Humboldt County, NV
The radar
The Elko radar (KLRX), 132 km from the middle of the area, began a volume at 23:36 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, 11.6 hours before the alert went out and 204 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2938 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
356 WWUS85 KLKN 262333 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 433 PM PDT Sun Sep 26 2021 NVZ437-271745- /O.UPG.KLKN.FW.A.0013.210927T1900Z-210928T0300Z/ /O.NEW.KLKN.FW.W.0015.210927T1900Z-210928T0300Z/ Humboldt County-Quinn- 433 PM PDT Sun Sep 26 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT MONDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 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 noon to 8 PM PDT Monday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zone 437 Humboldt County-Quinn. * Winds...Southwest 10 to 20 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 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. && $$ 84
2 follow-up statements
582 WWUS85 KLKN 270913 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 213 AM PDT Mon Sep 27 2021 NVZ437-280300- /O.CON.KLKN.FW.W.0015.210927T1900Z-210928T0300Z/ Humboldt County-Quinn- 213 AM PDT Mon Sep 27 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 437... * Affected Area...Fire Weather Zone 437 Humboldt County-Quinn. * Winds...Southwest 10 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 9 percent. * Impacts...The combination of gusty winds and low humidity will create critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
055 WWUS85 KLKN 280300 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 800 PM PDT Mon Sep 27 2021 NVZ437-280400- /O.EXP.KLKN.FW.W.0015.000000T0000Z-210928T0300Z/ Humboldt County-Quinn- 800 PM PDT Mon Sep 27 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 437... Humidities are rising across Humboldt County this evening as clouds associated with an approaching cold front spread in from the west. Winds are also diminishing. As such the Red Flag Warning will be allowed to expire at 8PM. $$
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.