Alert archive / Nebraska / Red Flag Warnings in 2017
Red Flag Warning 15, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Dec 11, 2017, 3:05 AM MST for 4 counties in Nebraska. It took effect at Dec 11, 2017, 11:00 AM MST. It was in force for 6 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
- Dec 11, 2017, 3:05 AM MST (10:05 UTC)
- In effect from
- Dec 11, 2017, 11:00 AM MST
- Expired
- Dec 11, 2017, 5:00 PM MST
- In force
- 6 hr
- Issued by
- NWS North Platte, NE
Counties Chase County, NE, Hayes County, NE, Lincoln County, NE, Perkins County, NE
The radar
The North Platte radar (KLNX), 148 km from the middle of the area, began a volume at 10:07 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, 10.1 hours before the alert went out and 73 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
- 3955 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
218 WWUS83 KLBF 111005 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 405 AM CST Mon Dec 11 2017 ...CRITICAL FIRE WEATHER CONDITIONS LIKELY THIS AFTERNOON... .THE COMBINATION OF STRONG NORTHWESTERLY WINDS AND LOW RELATIVE HUMIDITY WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON IN SOUTHWESTERN NEBRASKA. WIND GUSTS UP TO 45 MPH ARE EXPECTED AND ANY FIRES WHICH MAY DEVELOP HAVE A HIGH POTENTIAL TO SPREAD RAPIDLY AND MAY BE DIFFICULT TO CONTROL. NEZ210-120000- /O.NEW.KLBF.FW.W.0015.171211T1800Z-171212T0000Z/ Frenchman Basin- 305 AM MST Mon Dec 11 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 210... The National Weather Service in North Platte has issued a Red Flag Warning, which is in effect from 11 AM this morning to 5 PM MST this afternoon. * AFFECTED AREA...Fire weather zone 210. * WIND...Northwest 25 to 35 MPH gusts to 45 MPH. * HUMIDITY...As low as 18 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$ CLB
2 follow-up statements
353 WWUS83 KLBF 111923 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 123 PM CST Mon Dec 11 2017 ...CRITICAL FIRE WEATHER CONDITIONS LIKELY THIS AFTERNOON... .THE COMBINATION OF STRONG NORTHWEST WINDS AND LOW RELATIVE HUMIDITY WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON IN SOUTHWEST NEBRASKA. WIND GUSTS UP TO 45 MPH ARE EXPECTED AND ANY FIRES WHICH MAY DEVELOP HAVE THE POTENTIAL TO SPREAD RAPIDLY AND MAY BE DIFFICULT TO CONTROL. NEZ210-120000- /O.CON.KLBF.FW.W.0015.000000T0000Z-171212T0000Z/ Frenchman Basin- 1223 PM MST Mon Dec 11 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 210... * AFFECTED AREA...Fire weather zone 210. * WIND...Northwest 25 to 35 MPH gusts to 45 MPH. * HUMIDITY...As low as 14 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ TAYLOR
870 WWUS83 KLBF 112349 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 549 PM CST Mon Dec 11 2017 NEZ210-120100- /O.EXP.KLBF.FW.W.0015.000000T0000Z-171212T0000Z/ Frenchman Basin- 449 PM MST Mon Dec 11 2017 ...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 210... After sunset, relative humidities have quickly improved and winds have diminished. Therefore, the red flag warning will expire at 5 pm mst. $$ http://weather.gov/LBF
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.