Alert archive / Nevada / Red Flag Warnings in 2021
Red Flag Warning 14, NWS Elko, NV
NWS Elko, NV issued this red flag warning at Sep 17, 2021, 10:39 AM PDT for 6 counties in Nevada. It took effect at Sep 18, 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 17, 2021, 10:39 AM PDT (17:39 UTC)
- In effect from
- Sep 18, 2021, 12:00 PM PDT
- Expired
- Sep 18, 2021, 8:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS Elko, NV
Counties Elko County, NV, Eureka County, NV, Humboldt County, NV, Lander County, NV, Nye County, NV, White Pine County, NV
The radar
The Elko radar (KLRX), 91 km from the middle of the area, began a volume at 17:45 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, 5.7 hours before the alert went out and 164 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
- 2639 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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. && $$
3 follow-up statements
710 WWUS85 KLKN 180254 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 754 PM PDT Fri Sep 17 2021 NVZ427-182100- /O.CAN.KLKN.FW.W.0013.000000T0000Z-210918T0300Z/ /O.CON.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/ Central Nevada-Toiyabe- 754 PM PDT Fri Sep 17 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM PDT SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 427... ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 427... The National Weather Service in Elko has cancelled the Red Flag Warning. * Affected Area...Fire Weather Zone 427 Central Nevada-Toiyabe. * Winds...South 10 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 6 percent. * Impacts...The combination of gusty winds and low humidity will create critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ 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
737 WWUS85 KLKN 180934 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 234 AM PDT Sat Sep 18 2021 NVZ426-190300- /O.EXA.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/ Northern Nye County-Mojave- 234 AM PDT Sat Sep 18 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 426... 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 today to 8 PM PDT this evening. * Affected Area...Fire Weather Zone 426 Northern Nye County- Mojave. * Winds...Southwest 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. && $$ NVZ424-425-427-437-438-469-470-190300- /O.CON.KLKN.FW.W.0014.210918T1900Z-210919T0300Z/ Southeastern Humboldt County and northern Lander County- White Pine and Northeast Nye Counties-Central Nevada-Toiyabe- Humboldt County-Quinn- W Elko County, N Eureka and Lander Counties N of I80- Central Elko County-Eastern Elko County- 234 AM PDT Sat Sep 18 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 424, 425, 437, 438, 469, AND 470... * Affected Area...Fire Weather Zone 424 Southeastern Humboldt County and northern Lander County, Fire Weather Zone 425 White Pine and Northeast Nye Counties, Fire Weather Zone 427 Central Nevada-Toiyabe, Fire Weather Zone 437 Humboldt County-Quinn, Fire Weather Zone 438 W Elko County, N Eureka and Lander Counties N of I80, Fire Weather Zone 469 Central Elko County and Fire Weather Zone 470 Eastern Elko County. * Winds...Southwest 20 to 30 mph with gusts up to 40 mph. * Relative Humidity...As low as 11 percent. * Impacts...The combination of gusty winds and low humidity will create critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
488 WWUS85 KLKN 190248 RFWLKN URGENT - FIRE WEATHER MESSAGE National Weather Service Elko NV 748 PM PDT Sat Sep 18 2021 NVZ424>427-437-438-469-470-190400- /O.EXP.KLKN.FW.W.0014.000000T0000Z-210919T0300Z/ Southeastern Humboldt County and northern Lander County- White Pine and Northeast Nye Counties-Northern Nye County-Mojave- Central Nevada-Toiyabe-Humboldt County-Quinn- W Elko County, N Eureka and Lander Counties N of I80- Central Elko County-Eastern Elko County- 748 PM PDT Sat Sep 18 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 424, 425, 426, 427, 437, 438, 469, AND 470... The winds have abated thus the Red Flag Warning is allowed to expire. $$
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.