Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 48, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Oct 2, 2012, 2:28 PM MDT for 26 counties in Nebraska. It took effect at Oct 3, 2012, 11:00 AM MDT. It was in force for 9 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 2, 2012, 2:28 PM MDT (20:28 UTC)
- In effect from
- Oct 3, 2012, 11:00 AM MDT
- Expired
- Oct 3, 2012, 8:08 PM MDT
- In force
- 9 hr
- Issued by
- NWS North Platte, NE
All 26 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Hayes County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 25 km from the middle of the area, began a volume at 20:34 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 67 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
- 1913 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
191 WWUS83 KLBF 022028 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 328 PM CDT TUE OCT 2 2012 ...RED FLAG WARNING FOR WESTERN AND NORTH CENTRAL NEBRASKA WEDNESDAY FOR STRONG WIND...LOW RELATIVE HUMIDITY AND A FRONTAL PASSAGE... .CRITICAL FIRE WEATHER PATTERN IN STORE FOR WEDNESDAY...EXPLOSIVE RUNS AND ERRATIC BEHAVIOR WILL BE ANTICIPATED WITH ANY FIRE START. A RED FLAG WARNING HAS BEEN ISSUED FOR ALL WESTERN AND NORTH CENTRAL NEBRASKA FIRE ZONES. THE MODELS HAVE COME INTO GOOD AGREEMENT REGARDING THE PROGRESSION OF A UPPER TROUGH WHICH WILL BREAK DOWN THE RIDGE PATTERN OVER THE CENTRAL/NORTHERN PLAINS. THIS TROUGH WILL HELP FORCE A STRONG COLD FRONT THROUGH THE REGION...WITH GUSTY NORTHERLY WINDS AND SIGNIFICANTLY COOLER TEMPERATURES TO FOLLOW. AHEAD OF THE FRONT...TEMPERATURES WILL SOAR WELL INTO THE 80S AS AN ANTECEDENT DRY AIRMASS REMAINS PARKED OVER THE AREA AND SOUTHERLY GUSTS INCREASE TO 20 MPH. MEANWHILE ABNORMALLY DRY AIR WILL REMAIN AHEAD OF THE FRONT AND WHEN COMBINED WITH FUELS THAT HAVE BEEN DECIMATED BY RECORD DROUGHT...EXTREMELY DANGEROUS FIRE CONDITIONS WILL BE EXPECTED. THE FRONT IS EXPECTED TO ARRIVE ACROSS FAR NORTHWEST NEBRASKA SHORTLY BEFORE 18Z...THEN CONTINUE SOUTH AND EAST CLEARING ALL WESTERN AND NORTH CENTRAL FIRE ZONES BY 00Z THURSDAY. NOTE THAT STRONG COLD AIR ADVECTION BEHIND THE FRONT WILL ALLOW FOR A FAIRLY RAPID INCREASE IN RH...BUT GIVEN ANTICIPATED WIND GUSTS OF GREATER THAN 30 MPH BEHIND THE FRONT...FIRES WILL REMAIN DIFFICULT TO CONTROL. THE GREATEST THREAT OF EXTREME FIRE BEHAVIOR WILL BE SOUTH AND EAST OF AN ANTIOCH TO HYANNIS TO MERRIMAN LINE.. NEZ204-206-208>210-219-030430- /O.NEW.KLBF.FW.W.0048.121003T1700Z-121004T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN- FRENCHMAN BASIN-LOESS PLAINS- 328 PM CDT TUE OCT 2 2012 /228 PM MDT TUE OCT 2 2012/ ...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 10 PM CDT /9 PM MDT/ WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL FIRE ZONES ACROSS WESTERN AND NORTH CENTRAL 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 NOON CDT /11 AM MDT/ TO 10 PM CDT /9 PM MDT/ WEDNESDAY. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE 206 SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST...FIRE WEATHER ZONE 208 NIOBRARA VALLEY/FORT NIOBRARA NWR...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN...FIRE WEATHER ZONE 210 FRENCHMAN BASIN AND FIRE WEATHER ZONE 219 LOESS PLAINS. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...EXPLOSIVE RUNS AND ERRATIC BEHAVIOR WILL BE ANTICIPATED WITH ANY FIRE START. 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 JACOBS
2 follow-up statements
740 WWUS83 KLBF 030927 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 427 AM CDT WED OCT 3 2012 ...RED FLAG WARNING FOR WESTERN AND NORTH CENTRAL NEBRASKA THIS AFTERNOON FOR STRONG WIND...LOW RELATIVE HUMIDITY AND A FRONTAL PASSAGE... .CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON. EXPLOSIVE RUNS AND ERRATIC BEHAVIOR ARE LIKELY WITH ANY FIRE START. A RED FLAG WARNING HAS BEEN ISSUED FOR ALL WESTERN AND NORTH CENTRAL NEBRASKA FIRE ZONES. A STRONG COLD FRONT IS EXPECTED TO PUSH THROUGH THE REGION...WITH GUSTY NORTHERLY WINDS AND SIGNIFICANTLY COOLER TEMPERATURES TO FOLLOW. AHEAD OF THE FRONT...TEMPERATURES WILL SOAR WELL INTO THE 80S RESULTING IN VERY DRY AIR AND SOUTHERLY GUSTS INCREASING TO 20 MPH. COMBINING VERY DRY FUELS WITH THE DRY AIR...DANGEROUS FIRE CONDITIONS WILL DEVELOP. THE FRONT IS EXPECTED TO ARRIVE IN NORTHWEST NEBRASKA LATE MORNING TO EARLY AFTERNOON...THEN CONTINUE SOUTH AND EAST CLEARING ALL WESTERN AND NORTH CENTRAL FIRE ZONES BY 00Z THURSDAY. NOTE THAT STRONG COLD AIR ADVECTION BEHIND THE FRONT WILL ALLOW FOR A FAIRLY RAPID INCREASE IN RELATIVE HUMIDITY...BUT GIVEN ANTICIPATED WIND GUSTS OF GREATER THAN 30 MPH BEHIND THE FRONT...FIRES WILL BE DIFFICULT TO CONTROL. THE GREATEST THREAT OF EXTREME FIRE BEHAVIOR WILL BE SOUTH AND EAST OF A LINE FROM ANTIOCH THROUGH HYANNIS TO MERRIMAN. NEZ204-206-208>210-219-032200- /O.CON.KLBF.FW.W.0048.121003T1700Z-121004T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN- FRENCHMAN BASIN-LOESS PLAINS- 427 AM CDT WED OCT 3 2012 /327 AM MDT WED OCT 3 2012/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL FIRE ZONES ACROSS WESTERN AND NORTH CENTRAL NEBRASKA... * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE 206 SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST...FIRE WEATHER ZONE 208 NIOBRARA VALLEY/FORT NIOBRARA NWR...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN...FIRE WEATHER ZONE 210 FRENCHMAN BASIN AND FIRE WEATHER ZONE 219 LOESS PLAINS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXPLOSIVE RUNS AND ERRATIC BEHAVIOR ARE LIKELY WITH ANY FIRE START. 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
401 WWUS83 KLBF 040208 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 908 PM CDT WED OCT 3 2012 ...RED FLAG WARNING HAS BEEN CANCELLED BUT GUSTY WINDS WILL CONTINUE... .A STRONG COLD FRONT HAS PUSHED THROUGH THE AREA AND WITH THE COLDER AIR MOVING IN...RELATIVE HUMIDITY VALUES HAVE INCREASED SIGNIFICANTLY THIS EVENING. HOWEVER...STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH A FEW HIGHER GUSTS WILL BE POSSIBLE THROUGH THE NIGHT. NEZ204-206-208>210-219-040315- /O.CAN.KLBF.FW.W.0048.000000T0000Z-121004T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN- FRENCHMAN BASIN-LOESS PLAINS- 908 PM CDT WED OCT 3 2012 /808 PM MDT WED OCT 3 2012/ ...RED FLAG WARNING IS CANCELLED FOR WINDS AND LOW RELATIVE HUMIDITY VALUES FOR ALL FIRE ZONES IN WESTERN AND NORTH CENTRAL NEBRASKA... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITY VALUES HAVE INCREASED ACROSS THE AREA THIS EVENING...BUT STRONG NORTHWEST WINDS WILL CONTINUE. $$ 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.