Alert archive / Nebraska / Red Flag Warnings in 2011
Red Flag Warning 12, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Oct 5, 2011, 3:57 AM CDT for 17 counties in Nebraska. It took effect at Oct 5, 2011, 10:00 AM CDT. 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 5, 2011, 3:57 AM CDT (08:57 UTC)
- In effect from
- Oct 5, 2011, 10:00 AM CDT
- Expired
- Oct 5, 2011, 7:02 PM CDT
- In force
- 9 hr
- Issued by
- NWS North Platte, NE
Counties Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Custer County, NE, Frontier County, NE, Garfield County, NE, Holt County, NE, Hooker County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Rock County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 53 km from the middle of the area, began a volume at 08:55 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, 9.0 hours before the alert went out and 107 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
- 4457 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
725 WWUS83 KLBF 050857 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 357 AM CDT WED OCT 5 2011 ...RED FLAG WARNING FOR A COMBINATION OF LOW RELATIVE HUMIDITY... DRY FUELS AND STRONG SOUTHERLY WINDS FOR NORTH CENTRAL AND PORTIONS OF SOUTHWEST NEBRASKA TODAY... .STRONG SOUTHERLY WINDS WILL DEVELOP OVER WESTERN NEBRASKA BY MID MORNING AND INCREASE THROUGH THE AFTERNOON. EXTREMELY DRY CONDITIONS PERSIST OVER THE AREA. MINIMUM RELATIVE HUMIDITIES WILL FALL INTO THE 15 TO 20 PERCENT RANGE ALONG AND EAST OF HIGHWAY 83 FROM RED WILL RESERVOIR TO MAYWOOD TO NORTH PLATTE TO VALENTINE. THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTH WINDS WITH FREQUENT GUSTS TO 25 MPH WILL CREATE VERY DANGEROUS FIRE WEATHER CONDITIONS AGAIN TODAY. NEZ206-208-209-219-060000- /O.NEW.KLBF.FW.W.0012.111005T1500Z-111006T0000Z/ SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN-LOESS PLAINS- 357 AM CDT WED OCT 5 2011 /257 AM MDT WED OCT 5 2011/ ...RED FLAG WARNING IN EFFECT FROM 10 AM CDT /9 AM MDT/ THIS MORNING TO 7 PM CDT /6 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH CENTRAL NEBRASKA AND PORTIONS OF SOUTHWEST 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 10 AM CDT /9 AM MDT/ THIS MORNING TO 7 PM CDT /6 PM MDT/ THIS EVENING. * AFFECTED AREA...IN NEBRASKA...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 AND FIRE WEATHER ZONE 219 LOESS PLAINS. * WINDS...SOUTH 22 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER CONDITIONS TO PROMOTE EXTREME FIRE BEHAVIOR. PEOPLE CONDUCTING HARVESTING OPERATIONS SHOULD BE ESPECIALLY CAREFUL. FIRES THAT START WILL INTENSIFY RAPIDLY AND SPREAD 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. && $$ HTTP://WEATHER.GOV/LBF
2 follow-up statements
093 WWUS83 KLBF 052021 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 321 PM CDT WED OCT 5 2011 ...RED FLAG WARNING FOR A COMBINATION OF LOW RELATIVE HUMIDITY... DRY FUELS AND STRONG SOUTHERLY WINDS FOR NORTH CENTRAL AND PORTIONS OF SOUTHWEST NEBRASKA TODAY... .STRONG SOUTHERLY WINDS WILL CONTINUE OVER WESTERN NEBRASKA THROUGH MID EVENING. THE STRONG WIND COMBINED WITH ABNORMALLY DRY CONDITIONS WILL CONTINUE THE THREAT OF EXTREME FIRE GROWTH ACROSS MUCH OF WESTERN AND NORTH CENTRAL NEBRASKA THROUGH EARLY EVENING. NEZ206-208-209-219-060000- /O.CON.KLBF.FW.W.0012.000000T0000Z-111006T0000Z/ SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN-LOESS PLAINS- 321 PM CDT WED OCT 5 2011 /221 PM MDT WED OCT 5 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH CENTRAL NEBRASKA AND PORTIONS OF SOUTHWEST NEBRASKA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS EVENING. * AFFECTED AREA...IN NEBRASKA...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 AND FIRE WEATHER ZONE 219 LOESS PLAINS. * WINDS...SOUTH 25 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 16 PERCENT. * IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER CONDITIONS TO PROMOTE EXTREME FIRE BEHAVIOR. PEOPLE CONDUCTING HARVESTING OPERATIONS SHOULD BE ESPECIALLY CAREFUL. FIRES THAT START WILL INTENSIFY RAPIDLY AND SPREAD 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. && $$ JACOBS HTTP://WEATHER.GOV/LBF
987 WWUS83 KLBF 060002 AAA RFWLBF URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE NORTH PLATTE NE 702 PM CDT WED OCT 5 2011 NEZ206-208-209-219-060115- /O.CAN.KLBF.FW.W.0012.000000T0000Z-111006T0000Z/ SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN-LOESS PLAINS- 702 PM CDT WED OCT 5 2011 /602 PM MDT WED OCT 5 2011/ ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FOR NORTH CENTRAL NEBRASKA AND PORTIONS OF SOUTHWEST NEBRASKA... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITY WILL CONTINUE TO INCREASE AND WINDS TO DECREASE. THE CRITICAL FIRE DANGER PERIOD HAS ENDED. $$ HTTP://WEATHER.GOV/LBF
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 4:22 AM CDT | Wind Advisory | LBF | Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more | 15 hr |
| Oct 5, 3:29 PM CDT | Wind Advisory | LBF | Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more | 34 hr |
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.