Alert archive / Nebraska / Red Flag Warnings in 2019
Red Flag Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Oct 17, 2019, 1:59 AM MDT for 4 counties in Nebraska. It took effect at Oct 17, 2019, 1:00 PM MDT. 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
- Oct 17, 2019, 1:59 AM MDT (07:59 UTC)
- In effect from
- Oct 17, 2019, 1:00 PM MDT
- Expired
- Oct 17, 2019, 6:00 PM MDT
- In force
- 5 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 08:04 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, 8.0 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
- 2838 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
734 WWUS83 KLBF 170759 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 259 AM CDT Thu Oct 17 2019 ...CRITICAL FIRE WEATHER CONDITIONS LIKELY THIS AFTERNOON IN FAR SOUTHWESTERN NEBRASKA... .Relative humidity this afternoon will reach 10 to 15 percent in far southwestern Nebraska. In addition, southerly winds will gust up to 25 MPH during the afternoon hours. The combination of low relative humidity and gusty winds, will lead to critical fire weather conditions this afternoon. NEZ210-180000- /O.NEW.KLBF.FW.W.0002.191017T1900Z-191018T0000Z/ Frenchman Basin- 159 AM MDT Thu Oct 17 2019 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FAR SW 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 1 PM this afternoon to 6 PM MDT this evening. * Affected Area...In NEZ210...Fire Weather Zone 210 Frenchman Basin. * Winds...South 10 to 15 mph with gusts up to 25 mph. * Relative Humidity...As low as 12 percent. * Impacts...Any fires which may develop, will have a high probability to spread rapidly. 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. && $$ http://weather.gov/LBF
1 follow-up statement
099 WWUS83 KLBF 180019 RFWLBF URGENT - FIRE WEATHER MESSAGE National Weather Service North Platte NE 719 PM CDT Thu Oct 17 2019 NEZ210-180130- /O.EXP.KLBF.FW.W.0002.000000T0000Z-191018T0000Z/ Frenchman Basin- 619 PM MDT Thu Oct 17 2019 ...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONE 210... Humidity has recovered and wind has lessened below critical levels across southwest Nebraska. The Red Flag Warning was allowed to expire. $$
Nearby
Red Flag Warnings in Nebraska, 2019Every red flag warning in 2019
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.