Alert archive / Nebraska / Red Flag Warnings in 2017
Red Flag Warning 8, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Jul 24, 2017, 3:29 PM CDT for 6 counties in Nebraska. It was in force for 5 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
- Jul 24, 2017, 3:29 PM CDT (20:29 UTC)
- Expired
- Jul 24, 2017, 8:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS North Platte, NE
Counties Boyd County, NE, Brown County, NE, Cherry County, NE, Holt County, NE, Keya Paha County, NE, Rock County, NE
The radar
The North Platte radar (KLNX), 106 km from the middle of the area, began a volume at 20:31 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, 8.5 hours before the alert went out and 183 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
- 814 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 1518 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
084 WWUS83 KLBF 242029 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 329 PM CDT Mon Jul 24 2017 ...Critical Fire Danger... .Relative humidity around 10 percent and winds gusting to 35 mph in the Valentine area is producing critical fire danger conditions. NEZ208-250100- /O.NEW.KLBF.FW.W.0008.170724T2029Z-170725T0100Z/ Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest- 329 PM CDT Mon Jul 24 2017 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 208... The National Weather Service in North Platte has issued a Red Flag Warning, which is in effect until 8 PM CDT this evening. * AFFECTED AREA...Fire weather zone 208. * WIND...south gusting 35 mph. * HUMIDITY...around 10 percent. * THUNDERSTORMS...isolated thunderstorms are possible. * 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. && $$
1 follow-up statement
347 WWUS83 KLBF 250126 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 826 PM CDT Mon Jul 24 2017 ...Red Flag Warning Allowed to Expire... NEZ208-250230- /O.EXP.KLBF.FW.W.0008.000000T0000Z-170725T0100Z/ Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest- 826 PM CDT Mon Jul 24 2017 ...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 208... Conditions have improved and the warning was allowed to expire. $$
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:16 PM CDT | Heat Advisory | LBF | Blaine, Boyd, Brown, Chase, Cherry, Custer and 14 more | 29 hr |
| Jul 24, 6:20 PM CDT | Special Weather Statement | LBF | Deuel | 55 min |
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.