Alert archive / Nevada / Red Flag Warnings in 2021
Red Flag Warning 12, NWS Elko, NV
NWS Elko, NV issued this red flag warning at Aug 20, 2021, 9:04 AM PDT for 4 counties in Nevada. It took effect at Aug 21, 2021, 5:00 AM PDT. It was in force for 15 hr. 2 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
- Aug 20, 2021, 9:04 AM PDT (16:04 UTC)
- In effect from
- Aug 21, 2021, 5:00 AM PDT
- Expired
- Aug 21, 2021, 7:50 PM PDT
- In force
- 15 hr
- Issued by
- NWS Elko, NV
Counties Elko County, NV, Eureka County, NV, Humboldt County, NV, Lander County, NV
The radar
The Elko radar (KLRX), 16 km from the middle of the area, began a volume at 16:07 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 21, 3:39 PM PDT | TSTM WND GST 80 | 14 Wsw Pinto Summit, NV | MESONET STATION COMN2 COMBS CANYON RAWS, ELEVATION 6589 FEET. |
| Aug 21, 3:45 PM PDT | HIGH SUST WINDS 44 | 3 Sse West Wendover, NV | MESONET STATION UP994 3.1 SE WEST WENDOVER (UPR), ELEVATION 4408 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, 4.1 hours before the alert went out and 173 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
- 2616 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
206 WWUS85 KLKN 201604 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 904 AM PDT Fri Aug 20 2021 NVZ437-220000- /O.UPG.KLKN.FW.A.0009.210821T1800Z-210822T0000Z/ /O.NEW.KLKN.FW.W.0012.210821T1200Z-210822T0000Z/ Humboldt County-Quinn- 904 AM PDT Fri Aug 20 2021 ...RED FLAG WARNING IN EFFECT FROM 5 AM TO 5 PM PDT SATURDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 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 5 AM to 5 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zone 437 Humboldt County-Quinn. * Thunderstorm Coverage...20 percent. * Outflow Winds...45 to 55 mph. * 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 expected. && $$ NVZ469-470-220000- /O.UPG.KLKN.FW.A.0009.210821T1800Z-210822T0600Z/ /O.NEW.KLKN.FW.W.0012.210821T1800Z-210822T0600Z/ Central Elko County-Eastern Elko County- 904 AM PDT Fri Aug 20 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT SATURDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 469 AND 470... The National Weather Service in Elko has issued a Red Flag Warning for dry thunderstorms and gusty outflow winds, which is in effect from 11 AM to 11 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zone 469 Central Elko County and Fire Weather Zone 470 Eastern Elko County. * Thunderstorm Coverage...35 percent. * Outflow Winds...45 to 55 mph. * Impacts...Dry lightning may create new fire starts and combine with strong outflow winds to produce rapid fire growth. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are expected. && $$ NVZ438-220000- /O.UPG.KLKN.FW.A.0009.210821T1800Z-210822T0600Z/ /O.NEW.KLKN.FW.W.0012.210821T1500Z-210822T0600Z/ W Elko County, N Eureka and Lander Counties N of I80- 904 AM PDT Fri Aug 20 2021 ...RED FLAG WARNING IN EFFECT FROM 8 AM TO 11 PM PDT SATURDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 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 8 AM to 11 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zone 438 W Elko County and N Eureka and Lander Counties N of I80. * Thunderstorm Coverage...25 percent. * Outflow Winds...45 to 55 mph. * 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 expected. && $$
3 follow-up statements
226 WWUS85 KLKN 210902 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 202 AM PDT Sat Aug 21 2021 NVZ437-220000- /O.CON.KLKN.FW.W.0012.210821T1200Z-210822T0000Z/ Humboldt County-Quinn- 202 AM PDT Sat Aug 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 437... * Affected Area...Fire Weather Zone 437 Humboldt County-Quinn. * Thunderstorm Coverage...20 percent. * Outflow Winds...45 to 55 mph. * Impacts...Dry lightning may create new fire starts and combine with strong outflow winds to produce rapid fire growth. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are expected. && $$ NVZ438-220315- /O.CON.KLKN.FW.W.0012.210821T1500Z-210822T0600Z/ W Elko County, N Eureka and Lander Counties N of I80- 202 AM PDT Sat Aug 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 438... * Affected Area...Fire Weather Zone 438 W Elko County and N Eureka and Lander Counties N of I80. * Thunderstorm Coverage...25 percent. * Outflow Winds...45 to 55 mph. * 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 expected. && $$ NVZ469-470-220315- /O.CON.KLKN.FW.W.0012.210821T1800Z-210822T0600Z/ Central Elko County-Eastern Elko County- 202 AM PDT Sat Aug 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 469 AND 470... * Affected Area...Fire Weather Zone 469 Central Elko County and Fire Weather Zone 470 Eastern Elko County. * Thunderstorm Coverage...35 percent. * Outflow Winds...45 to 55 mph. * Impacts...Dry lightning may create new fire starts and combine with strong outflow winds to produce rapid fire growth. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are expected. && $$
131 WWUS85 KLKN 212158 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 258 PM PDT Sat Aug 21 2021 NVZ437-212300- /O.CAN.KLKN.FW.W.0012.000000T0000Z-210822T0000Z/ Humboldt County-Quinn- 258 PM PDT Sat Aug 21 2021 ...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 437... The National Weather Service in Elko has cancelled the Red Flag Warning. While isolated dry storms are possible through early evening along the northern state border, the threat has diminished and widespread lightning is no longer expected. $$ NVZ438-469-212300- /O.CAN.KLKN.FW.W.0012.000000T0000Z-210822T0600Z/ W Elko County, N Eureka and Lander Counties N of I80- Central Elko County- 258 PM PDT Sat Aug 21 2021 ...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 469 AND 470... The National Weather Service in Elko has cancelled the Red Flag Warning. While isolated dry storms are possible through early evening along the northern state border, the threat has diminished and widespread lightning is no longer expected. $$ NVZ470-220600- /O.CON.KLKN.FW.W.0012.000000T0000Z-210822T0600Z/ Eastern Elko County- 258 PM PDT Sat Aug 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 469 AND 470... * Affected Area...Fire Weather Zone 470 Eastern Elko County. * Thunderstorm Coverage...35 percent. * Outflow Winds...45 to 55 mph. * 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 expected. && $$
537 WWUS85 KLKN 220250 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 750 PM PDT Sat Aug 21 2021 NVZ470-220400- /O.CAN.KLKN.FW.W.0012.000000T0000Z-210822T0600Z/ Eastern Elko County- 750 PM PDT Sat Aug 21 2021 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 470... The National Weather Service in Elko has cancelled the Red Flag Warning. Wind gusts have lowered significantly this evening, while at the same time humidity is rising well above critical thresholds. As such the Red Flag Warning has been cancelled. $$
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.