Alert archive / Nebraska / Red Flag Warnings in 2021
Red Flag Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Mar 28, 2021, 1:19 PM MDT for 26 counties in Nebraska. It took effect at Mar 29, 2021, 11:00 AM MDT. It was in force for 33 hr. 9 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
- Mar 28, 2021, 1:19 PM MDT (19:19 UTC)
- In effect from
- Mar 29, 2021, 11:00 AM MDT
- Expired
- Mar 30, 2021, 8:00 PM MDT
- In force
- 33 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 19:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 1:45 PM MDT | NON-TSTM WND GST 68 | Valentine, NE | |
| Mar 29, 4:58 PM MDT | NON-TSTM WND GST 60 | Crescent Lake Nwr, NE | |
| Mar 29, 6:16 PM MDT | HIGH SUST WINDS 40 | 4 N North Platte, NE | |
| Mar 29, 6:18 PM MDT | TSTM WND GST 58 | 1 N Broken Bow, NE | KBBW ASOS |
| Mar 29, 6:19 PM MDT | NON-TSTM WND GST 59 | Imperial, NE | |
| Mar 29, 6:28 PM MDT | NON-TSTM WND GST 61 | Imperial, NE | |
| Mar 29, 6:41 PM MDT | NON-TSTM WND GST 56 | 4 Ene North Platte, NE | KLBF ASOS |
| Mar 29, 6:49 PM MDT | NON-TSTM WND GST 64 | Imperial, NE | |
| Mar 29, 6:56 PM MDT | NON-TSTM WND GST 58 | 1 E Brule, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.3 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
- 1322 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
684 WWUS83 KLBF 281919 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 219 PM CDT Sun Mar 28 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED MONDAY... .A surge of warm dry air accompanied by gusty west winds will cause critical fire weather conditions Monday. An additional hazard is a fast moving cold front, which will drop southeast through the region during the afternoon and early evening. The cold front will cause winds to suddenly become north or northwest and gust over 40 mph. A few gusts higher than 50 mph are possible. NEZ204-206-208-209-291100- /O.UPG.KLBF.FW.A.0002.210329T1700Z-210330T0200Z/ /O.NEW.KLBF.FW.W.0002.210329T1700Z-210330T0200Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest-Loup Rivers Basin- 219 PM CDT Sun Mar 28 2021 /119 PM MDT Sun Mar 28 2021/ ...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 9 PM CDT /8 PM MDT/ MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN 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 noon CDT /11 AM MDT/ to 9 PM CDT /8 PM MDT/ Monday. 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. * Winds...West 25 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 15 percent. * Impacts...A fast moving cold front will move through the region Monday afternoon (northwest) and early evening (southwest) causing a sudden wind shift to north or northwest. The highest wind gusts will be along and behind the front. 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. && $$ NEZ210-219-291100- /O.NEW.KLBF.FW.W.0002.210329T1700Z-210330T0200Z/ Frenchman Basin-Loess Plains- 219 PM CDT Sun Mar 28 2021 /119 PM MDT Sun Mar 28 2021/ ...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 9 PM CDT /8 PM MDT/ MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHWEST NEBRASKA... The National Weather Service in North Platte has issued a Red Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in effect from noon CDT /11 AM MDT/ to 9 PM CDT /8 PM MDT/ Monday. * Affected Area...In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...West 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 13 percent. * Impacts...A fast moving cold front will move through the region Monday late afternoon and early evening, causing a sudden wind shift to north or northwest. The highest wind gusts will be along and behind the front. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ http://weather.gov/LBF
3 follow-up statements
842 WWUS83 KLBF 290844 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 344 AM CDT Mon Mar 29 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED MONDAY... .A surge of warm dry air accompanied by gusty west winds will cause critical fire weather conditions Monday. An additional hazard is a fast moving cold front, which will drop southeast through the region during the afternoon and early evening. The cold front will cause winds to suddenly become north or northwest and gust up to 60 mph. NEZ204-206-208>210-219-292245- /O.CON.KLBF.FW.W.0002.210329T1700Z-210330T0200Z/ 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- 344 AM CDT Mon Mar 29 2021 /244 AM MDT Mon Mar 29 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND NORTH CENTRAL NEBRASKA... * 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...West 25 to 35 mph with gusts up to 60 mph. * Relative Humidity...As low as 12 percent. * Impacts...A fast moving cold front will move through the region Monday afternoon (northwest) and early evening (southwest) causing a sudden wind shift to north or northwest. The highest wind gusts will be along and behind the front. 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
811 WWUS83 KLBF 291941 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 241 PM CDT Mon Mar 29 2021 ...CRITICAL FIRE WEATHER CONDITIONS INTO TUESDAY... .Very warm, windy, and dry weather have resulted in widespread critical fire weather conditions today. A strong cold front will switch winds to northwesterly and increase speeds even further with gusts to 60 mph possible. The Red Flag Warning was extended through the night and into Tuesday for fire zones along and north of Interstate 80, where very limited humidity recovery is expected overnight and northwest winds remain gusty tomorrow. NEZ204-206-208-209-301200- /O.EXT.KLBF.FW.W.0002.000000T0000Z-210331T0200Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest-Loup Rivers Basin- 241 PM CDT Mon Mar 29 2021 /141 PM MDT Mon Mar 29 2021/ ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE, ALL THE SANDHILLS, AND NORTH CENTRAL NEBRASKA... * 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. * Winds...Northwest 25 to 35 mph with gusts up to 60 mph Monday evening. Northwest 15 to 25 mph with gusts to 30 mph late Monday night. Northwest 20 to 25 mph with gusts to 35 mph Tuesday. * Relative Humidity...As low as 12 percent Monday evening, as high as 50 percent Monday night, and as low as 16 percent Tuesday. * Impacts...A fast moving cold front will move through the region Monday afternoon and evening, causing a sudden wind shift to north or northwest. The highest wind gusts will be along and behind the front. 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. && $$ NEZ210-219-300200- /O.CON.KLBF.FW.W.0002.000000T0000Z-210330T0200Z/ Frenchman Basin-Loess Plains- 241 PM CDT Mon Mar 29 2021 /141 PM MDT Mon Mar 29 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHWEST NEBRASKA... * Affected Area...In NEZ210...Fire Weather Zone 210 Frenchman Basin. In NEZ219...Fire Weather Zone 219 Loess Plains. * Winds...West 20 to 30 mph with gusts up to 60 mph. * Relative Humidity...As low as 10 percent. * Impacts...A fast moving cold front will move through the region Monday early evening, causing a sudden wind shift to north or northwest. The highest wind gusts will be along and behind the front. 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. && $$ http://weather.gov/LBF
658 WWUS83 KLBF 300843 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 343 AM CDT Tue Mar 30 2021 ...CRITICAL FIRE WEATHER CONDITIONS INTO TUESDAY... .Windy and dry conditions have resulted in critical fire weather conditions today. Gusty northwest winds will be sustained at 20 to 25 mph with gust around 35 mph. The Red Flag Warning is for fire zones along and north of Interstate 80, where low humidity and northwest winds remain gusty. NEZ204-206-208-209-302245- /O.CON.KLBF.FW.W.0002.000000T0000Z-210331T0200Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest- Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest-Loup Rivers Basin- 343 AM CDT Tue Mar 30 2021 /243 AM MDT Tue Mar 30 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE, ALL THE SANDHILLS, AND NORTH CENTRAL NEBRASKA... * Affected Area...In NEZ204...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 Loup Rivers Basin. * Winds...Northwest 20 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 17 percent. * Impacts...Any fire start will be capable of spreading rapidly and exhibit erratic behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ 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 28, 1:07 AM MDT | Fire Weather Watch | LBF | Arthur, Blaine, Boyd, Brown, Cherry, Custer and 16 more | 12 hr |
| Mar 28, 2:15 AM MDT | High Wind Watch | LBF | Arthur, Blaine, Brown, Chase, Cherry, Custer and 16 more | 24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.