Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 25, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Jul 15, 2012, 2:49 AM MDT for 22 counties in Nebraska. It took effect at Jul 15, 2012, 12:00 PM MDT. 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
- Jul 15, 2012, 2:49 AM MDT (08:49 UTC)
- In effect from
- Jul 15, 2012, 12:00 PM MDT
- Expired
- Jul 15, 2012, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS North Platte, NE
All 22 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Frontier County, NE, Garden 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, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 35 km from the middle of the area, began a volume at 08:50 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, 8.8 hours before the alert went out and 69 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
- 402 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 2701 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
690 WWUS83 KLBF 150849 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 349 AM CDT SUN JUL 15 2012 ...CRITICAL FIRE DANGER IS EXPECTED THIS AFTERNOON AND EARLY EVENING... .THE COMBINATION OF HOT TEMPERATURES...LOW RELATIVE HUMIDITY VALUES...STRONG SOUTH WINDS AND DRY VEGETATION WILL PROMOTE CRITICAL FIRE CONDITIONS THIS AFTERNOON AND EARLY EVENING. NEZ204-206-208-210-151700- /O.NEW.KLBF.FW.W.0025.120715T1800Z-120716T0100Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-FRENCHMAN BASIN- 349 AM CDT SUN JUL 15 2012 /249 AM MDT SUN JUL 15 2012/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY... 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 CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING. * 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 AND FIRE WEATHER ZONE 210 FRENCHMAN BASIN. * WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...THE COMBINATION OF DRY FUELS...GUSTY SOUTH WINDS... AND LOW RELATIVE HUMIDITY VALUES WILL PROMOTE EXPLOSIVE FIRE GROWTH TODAY. UNDER THESE CONDITIONS...OPEN FIRES COULD ESCAPE CONTROL VERY QUICKLY. IN ADDITION...DRY LIGHTNING IS POSSIBLE FROM ISOLATED THUNDERSTORMS WHICH MAY DEVELOP IN THE EASTERN PANHANDLE AND NORTHWEST CHERRY COUNTY THIS AFTERNOON AND EVENING. 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. && $$ HTTP://WEATHER.GOV/LBF
2 follow-up statements
917 WWUS83 KLBF 151457 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 957 AM CDT SUN JUL 15 2012 ...CRITICAL FIRE DANGER IS EXPECTED THIS AFTERNOON AND EARLY EVENING... .THE COMBINATION OF HOT TEMPERATURES...LOW RELATIVE HUMIDITY VALUES...STRONG SOUTH WINDS AND DRY VEGETATION WILL PROMOTE CRITICAL FIRE CONDITIONS THIS AFTERNOON AND EARLY EVENING. NEZ219-152300- /O.EXA.KLBF.FW.W.0025.120715T1800Z-120716T0100Z/ LOESS PLAINS- 957 AM CDT SUN JUL 15 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 219 LOESS PLAINS. * WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...THE COMBINATION OF DRY FUELS...GUSTY SOUTH WINDS... AND LOW RELATIVE HUMIDITY VALUES WILL PROMOTE EXPLOSIVE FIRE GROWTH TODAY. UNDER THESE CONDITIONS...OPEN FIRES COULD ESCAPE CONTROL VERY QUICKLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ NEZ204-206-208-210-152300- /O.CON.KLBF.FW.W.0025.120715T1800Z-120716T0100Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-FRENCHMAN BASIN- 957 AM CDT SUN JUL 15 2012 /857 AM MDT SUN JUL 15 2012/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY... * 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 AND FIRE WEATHER ZONE 210 FRENCHMAN BASIN. * WINDS...SOUTH 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...THE COMBINATION OF DRY FUELS...GUSTY SOUTH WINDS... AND LOW RELATIVE HUMIDITY VALUES WILL PROMOTE EXPLOSIVE FIRE GROWTH TODAY. UNDER THESE CONDITIONS...OPEN FIRES COULD ESCAPE CONTROL VERY QUICKLY. IN ADDITION...DRY LIGHTNING IS POSSIBLE FROM ISOLATED THUNDERSTORMS WHICH MAY DEVELOP IN THE EASTERN PANHANDLE AND NORTHWEST CHERRY COUNTY THIS AFTERNOON AND EVENING. 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. && $$ HTTP://WEATHER.GOV/LBF
575 WWUS83 KLBF 160108 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 808 PM CDT SUN JUL 15 2012 ...RED FLAG WARNING TO EXPIRE AT 8 PM CDT... .SURFACE TEMPERATURES ARE SLOWLY FALLING...WITH RELATIVE HUMIDITY VALUES INCREASING ABOVE CRITICAL THRESHOLDS. NEZ204-206-208-210-219-160215- /O.EXP.KLBF.FW.W.0025.000000T0000Z-120716T0100Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-FRENCHMAN BASIN-LOESS PLAINS- 808 PM CDT SUN JUL 15 2012 /708 PM MDT SUN JUL 15 2012/ ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND NORTH CENTRAL NEBRASKA...INCLUDING FIRE ZONES 204...206...208...210 AND 219... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ALLOWED THE RED FLAG WARNING TO EXPIRE. SURFACE TEMPERATURES ARE SLOWLY FALLING WITH RELATIVE HUMIDITY VALUES INCREASING ABOVE CRITICAL THRESHOLDS. HOWEVER NOTE THAT SOUTHERLY WIND GUSTS OF UP TO OR EXCEEDING 25 MPH WILL CONTINUE INTO THE OVERNIGHT...ANY FIRE THAT STARTS WILL STILL BE DIFFICULT TO CONTROL. $$ JACOBS 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.