Alert archive / Nebraska / Red Flag Warnings in 2021
Red Flag Warning 1, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Mar 5, 2021, 12:25 PM MST for 26 counties in Nebraska. It took effect at Mar 6, 2021, 11:00 AM MST. 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
- Mar 5, 2021, 12:25 PM MST (19:25 UTC)
- In effect from
- Mar 6, 2021, 11:00 AM MST
- Expired
- Mar 6, 2021, 7:00 PM MST
- In force
- 8 hr
- Issued by
- NWS North Platte, NE
All 26 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Hayes County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 25 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 67 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
- 1769 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
499 WWUS83 KLBF 051925 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 125 PM CST Fri Mar 5 2021 ...FIRE WEATHER CONDITIONS SATURDAY... .Strong south winds and very low afternoon relative humidity are are expected Saturday afternoon affecting western Nebraska and parts of north central Nebraska. This may lead to critical fire weather conditions. NEZ204-206-208>210-219-060330- /O.UPG.KLBF.FW.A.0001.210306T1800Z-210307T0100Z/ /O.NEW.KLBF.FW.W.0001.210306T1800Z-210307T0200Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest-Loup Rivers Basin-Frenchman Basin-Loess Plains- 125 PM CST Fri Mar 5 2021 /1225 PM MST Fri Mar 5 2021/ ...RED FLAG WARNING IN EFFECT FROM NOON CST /11 AM MST/ TO 8 PM CST /7 PM MST/ SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND NORTH CENTRAL NEBRASKA INCLUDING FIRE WEATHER ZONES 204, 206, 208, 209, 210, AND 219... The National Weather Service in North Platte has issued a Red Flag Warning, which is in effect from noon CST /11 AM MST/ to 8 PM CST /7 PM MST/ Saturday. The Fire Weather Watch is no longer in effect. * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 Loup Rivers Basin. In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...South 20 to 25 mph with gusts of 35 mph or more. * Relative Humidity...As low as 13 percent. * Impacts...Any fire start will be capable of spreading rapidly and exhibit erratic behavior. 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. && $$
2 follow-up statements
591 WWUS83 KLBF 060213 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 813 PM CST Fri Mar 5 2021 ...FIRE WEATHER CONDITIONS SATURDAY... .Strong south winds and very low afternoon relative humidity are are expected Saturday afternoon affecting western Nebraska and parts of north central Nebraska. This may lead to critical fire weather conditions. NEZ204-206-208>210-219-062215- /O.CON.KLBF.FW.W.0001.210306T1800Z-210307T0200Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest-Loup Rivers Basin-Frenchman Basin-Loess Plains- 813 PM CST Fri Mar 5 2021 /713 PM MST Fri Mar 5 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CST /11 AM MST/ TO 8 PM CST /7 PM MST/ SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND NORTH CENTRAL NEBRASKA INCLUDING FIRE WEATHER ZONES 204, 206, 208, 209, 210, AND 219... * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 Loup Rivers Basin. In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...South 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 13 percent. * Impacts...Any fire start will be capable of spreading rapidly and exhibit erratic behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ http://weather.gov/LBF
318 WWUS83 KLBF 060942 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 342 AM CST Sat Mar 6 2021 ...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON THROUGH EARLY EVENING... .Strong south and southwest winds and very low afternoon relative humidity are expected across western Nebraska and most of north central Nebraska. Fire weather conditions will be critical. NEZ204-206-208>210-219-070200- /O.CON.KLBF.FW.W.0001.210306T1800Z-210307T0200Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest-Loup Rivers Basin-Frenchman Basin-Loess Plains- 342 AM CST Sat Mar 6 2021 /242 AM MST Sat Mar 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CST /11 AM MST/ TODAY TO 8 PM CST /7 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND NORTH CENTRAL NEBRASKA INCLUDING FIRE WEATHER ZONES 204, 206, 208, 209, 210, AND 219... * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 Loup Rivers Basin. In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...South and southwest at 15 to 25 mph with gusts of 30 to 35 mph. * Relative Humidity...As low as 12 percent. * Impacts...Any fire start will be capable of spreading rapidly and exhibit erratic behavior. 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
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 2:28 AM MST | Fire Weather Watch | LBF | Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more | 10 hr |
| Mar 5, 2:54 AM MST | Dense Fog Advisory | LBF | Boyd, Garfield, Holt, Wheeler | 7 hr |
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.