Alert archive / Nebraska / Red Flag Warnings in 2011
Red Flag Warning 9, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Jun 7, 2011, 9:45 AM MDT for 22 counties in Nebraska. It took effect at Jun 7, 2011, 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
- Jun 7, 2011, 9:45 AM MDT (15:45 UTC)
- In effect from
- Jun 7, 2011, 11:00 AM MDT
- Expired
- Jun 7, 2011, 8:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS North Platte, NE
All 22 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Garden County, NE, Garfield County, NE, Grant 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, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 8 km from the middle of the area, began a volume at 15:47 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, 3.8 hours before the alert went out and 90 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
- 2678 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 367 m²/s²
- 0-3 km storm-relative helicity
- 438 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
479 WWUS83 KLBF 071545 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 1045 AM CDT TUE JUN 7 2011 ...CRITICAL FIRE CONDITIONS EXPECTED THIS AFTERNOON AND EVENING... .VERY DRY AIR WILL CONTINUE TO PUSH ACROSS THE REGION...BEHIND A COLD FRONT MOVING EAST ACROSS CENTRAL NEBRASKA THIS MORNING. TEMPERATURES BEHIND THE COLD FRONT ARE STILL EXPECTED TO BE ABOVE NORMAL...WITH HIGHS PUSHING INTO THE MID AND UPPER 80S. THIS WILL COMBINE WITH DEW POINT VALUES IN THE 30S...BEHIND THE FRONT...TO PRODUCE RELATIVE HUMIDITY VALUES BETWEEN 10 AND 15 PERCENT THROUGHOUT THE AFTERNOON AND EARLY EVENING HOURS. WEST TO NORTHWEST WINDS BEHIND THE FRONT WILL GUSTY TO 25 TO 35 MPH. WINDS WILL LIKELY DIMINISH LATER THIS AFTERNOON AND EVENING...HOWEVER STILL GUST TO AROUND 25 MPH. NEZ204-206-208-209-080200- /O.NEW.KLBF.FW.W.0009.110607T1700Z-110608T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN- 1045 AM CDT TUE JUN 7 2011 /945 AM MDT TUE JUN 7 2011/ ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 204...206...208 AND 209... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT /8 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...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN. * WIND...WEST TO NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * HUMIDITY...RELATIVE HUMIDITY VALUES ARE EXPECTED TO DECREASE TO 10 TO 15 PERCENT BY EARLY AFTERNOON AND CONTINUE THAT LOW UNTIL MID EVENING. * IMPACTS...THE COMBINATION OF BRISK WINDS...VERY LOW RELATIVE HUMIDITY AND VERY DRY FUELS WILL CREATE CONDITIONS FAVORABLE TO EXTREME FIRE BEHAVIOR. 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. && $$ MASEK HTTP://WEATHER.GOV/NORTHPLATTE
2 follow-up statements
789 WWUS83 KLBF 072111 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 411 PM CDT TUE JUN 7 2011 ...CRITICAL FIRE CONDITIONS EXPECTED EARLY THIS EVENING... .VERY DRY AIR HAS PUSHED ACROSS THE REGION...BEHIND A COLD FRONT THAT MOVED ACROSS THE AREA THIS MORNING. TEMPERATURES BEHIND THE COLD FRONT WITH SUNNY SKIES ARE STILL IN THE MID TO UPPER 80S. THIS WILL COMBINE WITH DEW POINT VALUES IN THE 30S TO PRODUCE RELATIVE HUMIDITY VALUES BETWEEN 10 AND 15 PERCENT THROUGH THE EARLY EVENING HOURS. WEST TO NORTHWEST WINDS WILL GUST TO 25 TO 35 MPH. IMPROVING CONDITIONS ARE EXPECTED BY 9 PM CDT. NEZ204-206-208-209-080200- /O.CON.KLBF.FW.W.0009.000000T0000Z-110608T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN- 411 PM CDT TUE JUN 7 2011 /311 PM MDT TUE JUN 7 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 204...206...208 AND 209... * 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. * WIND...WEST TO NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL REMAIN STEADY AROUND 15 PERCENT THROUGH EARLY EVENING. * IMPACTS...THE COMBINATION OF BRISK WINDS...VERY LOW RELATIVE HUMIDITY AND VERY DRY FUELS WILL CREATE CONDITIONS FAVORABLE TO EXTREME FIRE BEHAVIOR. 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. && $$ MASEK HTTP://WEATHER.GOV/NORTHPLATTE
418 WWUS83 KLBF 080203 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 903 PM CDT TUE JUN 7 2011 NEZ204-206-208-209-080315- /O.EXP.KLBF.FW.W.0009.000000T0000Z-110608T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN- 903 PM CDT TUE JUN 7 2011 /803 PM MDT TUE JUN 7 2011/ ...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT /8 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 204...206...208 AND 209... THE RED FLAG WARNING WILL EXPIRE AT 9 PM CDT /8 PM MDT/ THIS EVENING. CRITICAL FIRE DANGER HAS ENDED ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. RELATIVE HUMIDITIES HAVE RECOVERED TO 25 TO 40 PERCENT. WINDS ARE CURRENTLY LIGHT AND VARIABLE...ALTHOUGH A COLD FRONT WILL ARRIVE OVERNIGHT WITH NORTHWEST WINDS OF 10 TO 20 MPH. $$ ROBERG
Nearby
Red Flag Warnings in Nebraska, 2011Every red flag warning in 2011
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.