Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 34, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Aug 22, 2012, 3:56 AM CDT for 5 counties in Nebraska. It took effect at Aug 22, 2012, 1:00 PM CDT. 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
- Aug 22, 2012, 3:56 AM CDT (08:56 UTC)
- In effect from
- Aug 22, 2012, 1:00 PM CDT
- Expired
- Aug 22, 2012, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS North Platte, NE
Counties Custer County, NE, Garfield County, NE, Holt County, NE, Loup County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 122 km from the middle of the area, began a volume at 08:54 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, 8.9 hours before the alert went out and 153 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
- 3858 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
567 WWUS83 KLBF 220856 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 356 AM CDT WED AUG 22 2012 ...CRITICAL FIRE DANGER LIKELY THIS AFTERNOON OVER PORTIONS OF CENTRAL AND NORTH CENTRAL NEBRASKA... .A SURFACE TROUGH OF LOW PRESSURE WILL DEEPEN ACROSS WESTERN NEBRASKA THIS AFTERNOON...LEADING TO GUSTY SOUTHERLY WINDS ACROSS PORTIONS OF CENTRAL AND NORTH CENTRAL NEBRASKA. THE COMBINATION OF GUSTY WINDS...DRY FUELS AND LOW RELATIVE HUMIDITIES...WILL PRODUCE CRITICAL FIRE DANGER CONDITIONS ACROSS CUSTER...HOLT...WHEELER...LOUP AND GARFIELD COUNTIES. FIRE DANGER CONDITIONS WILL IMPROVE BY SUNSET AS TEMPERATURES DROP BACK INTO THE 80S AND WINDS BEGIN TO DIMINISH. NEZ209-230100- /O.NEW.KLBF.FW.W.0034.120822T1800Z-120823T0100Z/ LOUP RIVERS BASIN- 356 AM CDT WED AUG 22 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR LOUP...HOLT...CUSTER...WHEELER AND GARFIELD COUNTIES... 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 8 PM CDT THIS EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 18 PERCENT. * IMPACTS...ANY FIRES WHICH MAY DEVELOP TODAY HAVE A HIGH POTENTIAL FOR EXPLOSIVE GROWTH. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/LBF
2 follow-up statements
425 WWUS83 KLBF 221756 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 1256 PM CDT WED AUG 22 2012 ...CRITICAL FIRE DANGER THIS AFTERNOON... .GUSTY SOUTHERLY WINDS WILL COMBINE WITH DRY AIR AND VERY DRY FUELS TO PRODUCE CRITICAL FIRE DANGER ACROSS CENTRAL INTO NORTH CENTRAL NEBRASKA THIS AFTERNOON. FALLING DEWPOINTS WILL CAUSE RELATIVE HUMIDITY TO DROP TO NEAR 20 PERCENT THROUGH MUCH OF THE AFTERNOON. FIRE DANGER CONDITIONS WILL IMPROVE BY SUNSET AS TEMPERATURES DROP BACK INTO THE 80S ALLOWING RELATIVE HUMIDITY TO INCREASE. HOWEVER BREEZY WINDS WILL CONTINUE THROUGH THE EVENING. NEZ209-230100- /O.CON.KLBF.FW.W.0034.120822T1800Z-120823T0100Z/ LOUP RIVERS BASIN- 1256 PM CDT WED AUG 22 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR LOUP...HOLT...CUSTER... WHEELER AND GARFIELD COUNTIES... * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 18 PERCENT. * IMPACTS...ANY FIRES WHICH MAY DEVELOP TODAY HAVE A HIGH POTENTIAL FOR EXPLOSIVE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/LBF
760 WWUS83 KLBF 230103 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 803 PM CDT WED AUG 22 2012 NEZ209-230215- /O.EXP.KLBF.FW.W.0034.000000T0000Z-120823T0100Z/ LOUP RIVERS BASIN- 803 PM CDT WED AUG 22 2012 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR LOUP...HOLT...CUSTER...WHEELER AND GARFIELD COUNTIES... TEMPERATURES HAD FALLEN INTO THE LOWER 80S AND RELATIVE HUMIDITIES WILL CONTINUE TO RISE. WHILE GUSTY SOUTH WINDS TO AROUND 20 MPH ARE EXPECTED TO CONTINUE...CRITICAL CONDITIONS HAVE ENDED ACROSS THE AREA. $$ HTTP://WEATHER.GOV/LBF
Nearby
Red Flag Warnings in Nebraska, 2012Every red flag warning in 2012
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.