Alert archive / Nebraska / Red Flag Warnings in 2017
Red Flag Warning 10, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Sep 3, 2017, 2:30 AM MDT for 7 counties in Nebraska. It took effect at Sep 3, 2017, 12:00 PM MDT. 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
- Sep 3, 2017, 2:30 AM MDT (08:30 UTC)
- In effect from
- Sep 3, 2017, 12:00 PM MDT
- Expired
- Sep 3, 2017, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS North Platte, NE
Counties Arthur County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Keith County, NE, Sheridan County, NE
The radar
The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 08:29 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, 8.5 hours before the alert went out and 130 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
- 2539 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
659 WWUS83 KLBF 030830 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 330 AM CDT Sun Sep 3 2017 ...Elevated Fire Concerns for the Eastern Panhandle This Afternoon and Evening... .Hot temperatures will impact western Nebraska this afternoon and evening. The combination of heat, low relative humidity, a wind shift with a cold frontal passage combined with steep lapse rates will lead to a few hours of criticial fire weather conditions across the eastern Nebraska Panhandle into portions of the Sandhills. NEZ204-031630- /O.NEW.KLBF.FW.W.0010.170903T1800Z-170904T0200Z/ Eastern Panhandle/Crescent Lake NWR- 230 AM MDT Sun Sep 3 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...HOT TEMPERATURES AND A FRONTAL SHIFT IN WINDS FOR FIRE WEATHER ZONE 204... The National Weather Service in North Platte has issued a Red Flag Warning, which is in effect from noon today to 8 PM MDT this evening. * AFFECTED AREA...Fire weather zone 204. * WIND...Southwest wind 5 to 15 mph becoming northwest in the afternoon and increasing 10 to 25 mph. * HUMIDITY...10 to 15 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. && $$ Keck
2 follow-up statements
327 WWUS83 KLBF 032010 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 310 PM CDT Sun Sep 3 2017 ...Elevated Fire Concerns for the Eastern Panhandle and Western Sandhills This Afternoon and Evening... .Hot temperatures will continue to impact western Nebraska this afternoon and early evening. The combination of heat, low relative humidity, northwest wind gusting up to 25 mph, combined with steep lapse rates will result in critical fire weather conditions across the eastern Nebraska Panhandle into portions of the Sandhills. NEZ204-040200- /O.CON.KLBF.FW.W.0010.000000T0000Z-170904T0200Z/ Eastern Panhandle/Crescent Lake NWR- 210 PM MDT Sun Sep 3 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...HOT TEMPERATURES AND A FRONTAL SHIFT IN WINDS FOR FIRE WEATHER ZONE 204... * AFFECTED AREA...Fire weather zone 204. * WIND...Northwest winds 10 to 25 mph. * HUMIDITY...10 to 15 percent * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Roberg
996 WWUS83 KLBF 040144 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 844 PM CDT Sun Sep 3 2017 ...Critical fire weather conditions ending across the eastern Nebraska Panhandle and western Sandhills... NEZ204-040245- /O.EXP.KLBF.FW.W.0010.000000T0000Z-170904T0200Z/ Eastern Panhandle/Crescent Lake NWR- 744 PM MDT Sun Sep 3 2017 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...HOT TEMPERATURES AND A FRONTAL SHIFT IN WINDS FOR FIRE WEATHER ZONE 204... Temperatures have cooled to the 70s to lower 80s across the eastern Nebraska Panhandle and western Sandhills. This has allowed relative humidity to begin to recover to 20 to 30 percent ending the critical fire weather threat. $$ CLB
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.