Alert archive / Nebraska / Red Flag Warnings in 2021
Red Flag Warning 6, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Apr 8, 2021, 2:22 AM MDT for 12 counties in Nebraska. It took effect at Apr 8, 2021, 12:00 PM MDT. 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
- Apr 8, 2021, 2:22 AM MDT (08:22 UTC)
- In effect from
- Apr 8, 2021, 12:00 PM MDT
- Expired
- Apr 8, 2021, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS North Platte, NE
Counties Arthur County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Keith County, NE, Lincoln County, NE, Perkins County, NE, Sheridan County, NE
The radar
The North Platte radar (KLNX), 108 km from the middle of the area, began a volume at 08:22 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.4 hours before the alert went out and 84 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
- 1559 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
753 WWUS83 KLBF 080822 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 322 AM CDT Thu Apr 8 2021 ...CRITICAL FIRE WEATHER CONDITIONS LIKELY IN THE EASTERN PANHANDLE AND SOUTHWESTERN NEBRASKA THIS AFTERNOON... .Dry northwesterly winds will increase this afternoon to 15 to 20 MPH with frequent gusts to 30 MPH. As temperatures rise into the upper 60s to around 70 degrees this afternoon, minimum relative humidity will fall off to around 15 percent. The combination of low relative humidity, gusty winds and dry fuels, will lead to critical fire weather conditions. NEZ204-210-219-090100- /O.NEW.KLBF.FW.W.0006.210408T1800Z-210409T0100Z/ Eastern Panhandle/Crescent Lake NWR-Frenchman Basin-Loess Plains- 322 AM CDT Thu Apr 8 2021 /222 AM MDT Thu Apr 8 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS... The National Weather Service in North Platte has issued a Red Flag Warning for low relative humidity and gusty winds, which is in effect from 1 PM CDT /noon MDT/ this afternoon to 8 PM CDT /7 PM MDT/ this evening. * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...Northwest 15 to 20 mph with gusts up to 30 mph. * Timing...1 PM to 8 PM CDT (Noon to 7 PM MDT) * Relative Humidity...As low as 15 percent. * Temperatures...In the mid 60s. * Impacts...Any fires which do develop have a high probability to spread rapidly and be difficult to control. 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. && $$ http://weather.gov/LBF
2 follow-up statements
254 WWUS83 KLBF 082023 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 323 PM CDT Thu Apr 8 2021 ...CRITICAL FIRE WEATHER CONDITIONS LIKELY IN THE EASTERN PANHANDLE AND SOUTHWESTERN NEBRASKA THIS AFTERNOON... .Dry northwesterly winds will increase this afternoon to 15 to 20 mph with frequent gusts to 30 mph. As temperatures rise into the upper 60s to around 70 degrees this afternoon, minimum relative humidity will fall off to around 15 percent. The combination of low relative humidity, gusty winds and dry fuels, will lead to critical fire weather conditions. NEZ204-210-219-090100- /O.CON.KLBF.FW.W.0006.000000T0000Z-210409T0100Z/ Eastern Panhandle/Crescent Lake NWR-Frenchman Basin-Loess Plains- 323 PM CDT Thu Apr 8 2021 /223 PM MDT Thu Apr 8 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS... * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...Northwest 10 to 20 mph with gusts up to 30 mph. * Timing...1 PM to 8 PM CDT (Noon to 7 PM MDT) * Relative Humidity...As low as 15 percent. * Temperatures...Around 70. * Impacts...Any fires which do develop have a high probability to spread rapidly and be difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ http://weather.gov/LBF
676 WWUS83 KLBF 090058 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 758 PM CDT Thu Apr 8 2021 NEZ204-210-219-090200- /O.EXP.KLBF.FW.W.0006.000000T0000Z-210409T0100Z/ Eastern Panhandle/Crescent Lake NWR-Frenchman Basin-Loess Plains- 758 PM CDT Thu Apr 8 2021 /658 PM MDT Thu Apr 8 2021/ ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS... Humidity has recovered above critical levels and gusty winds have diminished, allowing the Red Flag Warning to expire. $$ http://weather.gov/LBF
Nearby
Red Flag Warnings in Nebraska, 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.