Alert archive / Nebraska / Red Flag Warnings in 2017
Red Flag Warning 1, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Feb 21, 2017, 3:09 AM MST for 24 counties in Nebraska. It took effect at Feb 21, 2017, 11:00 AM MST. 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
- Feb 21, 2017, 3:09 AM MST (10:09 UTC)
- In effect from
- Feb 21, 2017, 11:00 AM MST
- Expired
- Feb 21, 2017, 6:00 PM MST
- In force
- 7 hr
- Issued by
- NWS North Platte, NE
All 24 counties
Arthur County, NE, Blaine 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, 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), 37 km from the middle of the area, began a volume at 10:12 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 00:00Z, 10.2 hours before the alert went out and 57 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
- 3039 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
943 WWUS83 KLBF 211009 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 409 AM CST Tue Feb 21 2017 ...Red Flag Warning This Afternoon... .Temperatures are forecast to climb to record values this afternoon. The combination of west winds gusting 20 to 30 mph...very low humidity levels...and dry fuels will result in critical fire weather conditions this afternoon. Burning should be postponed...and all possible ignition sources should be used with extreme care. NEZ209-211815- /O.NEW.KLBF.FW.W.0001.170221T1800Z-170222T0000Z/ Loup Rivers Basin- 409 AM CST Tue Feb 21 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 209... The National Weather Service in North Platte has issued a Red Flag Warning, which is in effect from noon today to 6 PM CST this evening. * AFFECTED AREA...Fire weather zone 209. * WIND...West 15 to 25 mph with a few gusts to 30 mph. * HUMIDITY...As low as 16 percent. * IMPACTS...any fires that develop will likely spread rapidly...be difficult to control...and exhibit extreme fire 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. && $$ Roberg
3 follow-up statements
646 WWUS83 KLBF 212012 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 212 PM CST Tue Feb 21 2017 ...Red Flag Warning This Afternoon... .Temperatures are forecast to climb to record values this afternoon. The combination of west winds gusting 20 to 30 mph... very low humidity levels...and dry fuels will result in critical fire weather conditions this afternoon. Burning should be postponed...and all possible ignition sources should be used with extreme care. NEZ204-206-210-219-220100- /O.EXB.KLBF.FW.W.0001.000000T0000Z-170222T0100Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin- Loess Plains- 212 PM CST Tue Feb 21 2017 /112 PM MST Tue Feb 21 2017/ ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CST /6 PM MST/ THIS EVENING FOR LOW RELATIVE HUMIDITY AND WIND FOR FIRE WEATHER ZONES 204, 206, 210, AND 219... The National Weather Service in North Platte has issued a Red Flag Warning, which is in effect until 7 PM CST /6 PM MST/ this evening. * AFFECTED AREA...Fire weather zone 204. Fire weather zone 206. Fire weather zone 210. Fire weather zone 219. * WIND...West 15 to 25 mph with a few gusts to 30 mph. * HUMIDITY...As low as 15 percent. * IMPACTS...any fires that develop will likely spread rapidly... be difficult to control...and exhibit extreme fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ NEZ209-220000- /O.CON.KLBF.FW.W.0001.000000T0000Z-170222T0000Z/ Loup Rivers Basin- 212 PM CST Tue Feb 21 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR LOW RELATIVE HUMIDITY AND WIND FOR FIRE WEATHER ZONE 209... * AFFECTED AREA...Fire weather zone 209. * WIND...West 15 to 25 mph with a few gusts to 30 mph. * HUMIDITY...As low as 15 percent. * IMPACTS...any fires that develop will likely spread rapidly... be difficult to control...and exhibit extreme fire 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. && $$ Taylor
567 WWUS83 KLBF 220004 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 604 PM CST Tue Feb 21 2017 NEZ209-220115- /O.EXP.KLBF.FW.W.0001.000000T0000Z-170222T0000Z/ Loup Rivers Basin- 604 PM CST Tue Feb 21 2017 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR LOW RELATIVE HUMIDITY AND WIND FOR FIRE WEATHER ZONE 209... Winds have begun to lessen across the area. Wind speeds have diminished to 10 to 15 mph with gusts over 25 MPH no longer expected. While low humidity remains, near 20 percent, humidity will recover above 50 percent by mid evening. $$ NEZ204-206-210-219-220115- /O.CON.KLBF.FW.W.0001.000000T0000Z-170222T0100Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin- Loess Plains- 604 PM CST Tue Feb 21 2017 /504 PM MST Tue Feb 21 2017/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST /6 PM MST/ THIS EVENING LOW RELATIVE HUMIDITY AND WIND FOR FIRE WEATHER ZONES 204, 206, 210, AND 219... * AFFECTED AREA...Fire weather zone 204. Fire weather zone 206. Fire weather zone 210. Fire weather zone 219. * WIND...West 15 to 25 mph with a few gusts to 25 mph. * HUMIDITY...As low as 15 percent. * IMPACTS...any fires that develop will likely spread rapidly... be difficult to control...and exhibit extreme fire 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. && $$ ET
011 WWUS83 KLBF 220055 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 655 PM CST Tue Feb 21 2017 NEZ204-206-210-219-220200- /O.EXP.KLBF.FW.W.0001.000000T0000Z-170222T0100Z/ Eastern Panhandle/Crescent Lake NWR- Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin- Loess Plains- 655 PM CST Tue Feb 21 2017 /555 PM MST Tue Feb 21 2017/ ...RED FLAG WARNING WILL EXPIRE AT 7 PM CST /6 PM MST/ THIS EVENING FOR LOW RELATIVE HUMIDITY AND WIND FOR FIRE WEATHER ZONES 204, 206, 210, AND 219... Winds have diminished between 5 and 15 mph across the area. Wind gusts over 25 MPH are no longer expected. While low humidity remains, between 15 and 20 percent, humidity will recover above 50 percent by late evening. $$ ET
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 12:42 PM MST | Winter Storm Watch | LBF | Arthur, Blaine, Boyd, Brown, Cherry, Garden and 12 more | 25 hr |
Nearby
Red Flag Warnings in Nebraska, 2017Every red flag warning in 2017
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.