Alert archive / Nebraska / Red Flag Warnings in 2021
Red Flag Warning 3, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Mar 31, 2021, 2:09 PM MDT for 12 counties in Nebraska. It took effect at Apr 1, 2021, 9:00 AM MDT. It was in force for 11 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
- Mar 31, 2021, 2:09 PM MDT (20:09 UTC)
- In effect from
- Apr 1, 2021, 9:00 AM MDT
- Expired
- Apr 1, 2021, 8:00 PM MDT
- In force
- 11 hr
- Issued by
- NWS North Platte, NE
Counties Arthur County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Holt County, NE, Keith County, NE, Keya Paha County, NE, Rock County, NE, Sheridan County, NE
The radar
The North Platte radar (KLNX), 28 km from the middle of the area, began a volume at 20:12 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 12:00Z, 8.2 hours before the alert went out and 113 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
- 2189 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
174 WWUS83 KLBF 312009 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 309 PM CDT Wed Mar 31 2021 ...CRITICAL FIRE WEATHER CONDITIONS THURSDAY... .Windy and dry conditions will result in critical fire weather conditions Thursday. Gusty south to southwest winds will be sustained at 15 to 25 mph with gust to around 30 mph. The Red Flag Warning is for fire zones 204 and 208, where low humidity and gusty winds will exist. NEZ204-208-011015- /O.NEW.KLBF.FW.W.0003.210401T1500Z-210402T0200Z/ Eastern Panhandle/Crescent Lake NWR- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest- 309 PM CDT Wed Mar 31 2021 /209 PM MDT Wed Mar 31 2021/ ...RED FLAG WARNING IN EFFECT FROM 10 AM CDT /9 AM MDT/ TO 9 PM CDT /8 PM MDT/ THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE, WESTERN SANDHILLS AND NORTH CENTRAL NEBRASKA... The National Weather Service in North Platte has issued a Red Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in effect from 10 AM CDT /9 AM MDT/ to 9 PM CDT /8 PM MDT/ Thursday. * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ208...Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. * Winds...South to southwest 15 to 25 mph with gusts up to 30 mph. * Relative Humidity...As low as 15 percent. * Impacts... 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. && $$ http://weather.gov/LBF
2 follow-up statements
452 WWUS83 KLBF 011237 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 737 AM CDT Thu Apr 1 2021 NEZ204-208-020200- /O.CON.KLBF.FW.W.0003.210401T1500Z-210402T0200Z/ Eastern Panhandle/Crescent Lake NWR- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest- 737 AM CDT Thu Apr 1 2021 /637 AM MDT Thu Apr 1 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE AND NORTHERN SANDHILLS... * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ208...Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. * Winds...South 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 14 percent. * Impacts...Any fire start will be capable of spreading rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ http://weather.gov/LBF
619 WWUS83 KLBF 011948 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 248 PM CDT Thu Apr 1 2021 ...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING AND AGAIN FRIDAY AFTERNOON AND EVENING... .Windy and dry conditions will result in critical fire weather conditions for the remainder of this afternoon and evening. Gusty south to southwest winds will be sustained at 15 to 25 mph with gust to around 30 mph. The Red Flag Warning is for fire zones 204 and 208, where low humidity and gusty winds will exist. A Red Flag Warning is also in effect Friday afternoon and evening across fire zone 204, where west to northwest winds will be sustained at 15 to 25 mph with gusts to 30 mph. NEZ204-021000- /O.NEW.KLBF.FW.W.0004.210402T1700Z-210403T0100Z/ /O.CON.KLBF.FW.W.0003.000000T0000Z-210402T0200Z/ Eastern Panhandle/Crescent Lake NWR- 148 PM MDT Thu Apr 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE AND NORTHERN SANDHILLS... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE... The National Weather Service in North Platte has issued a Red Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in effect from 11 AM to 7 PM MDT Friday. * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. * Winds...Southwest 15 to 25 mph with gusts up to 30 mph. * Relative Humidity...As low as 13 percent. * Impacts...Any fire start will be capable of spreading rapidly. 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. && $$ NEZ208-020200- /O.CON.KLBF.FW.W.0003.000000T0000Z-210402T0200Z/ Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest- 248 PM CDT Thu Apr 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE AND NORTHERN SANDHILLS... * Affected Area...In NEZ208...Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. * Winds...South 15 to 25 mph with gusts up to 30 mph. * Relative Humidity...As low as 15 percent. * Impacts...Any fire start will be capable of spreading rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ http://weather.gov/LBF
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.