Alert archive / Nebraska / Red Flag Warnings in 2011
Red Flag Warning 13, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Oct 7, 2011, 3:07 AM MDT for 18 counties in Nebraska. It took effect at Oct 7, 2011, 11:00 AM 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
- Oct 7, 2011, 3:07 AM MDT (09:07 UTC)
- In effect from
- Oct 7, 2011, 11:00 AM MDT
- Expired
- Oct 7, 2011, 5:56 PM MDT
- In force
- 7 hr
- Issued by
- NWS North Platte, NE
Counties Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 16 km from the middle of the area, began a volume at 09:09 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, 9.1 hours before the alert went out and 95 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
- 1031 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1829 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 324 m²/s²
- 0-3 km storm-relative helicity
- 459 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 13.0
The text
As transmitted, in the capitals the NWS used until 2016.
408 WWUS83 KLBF 070907 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 407 AM CDT FRI OCT 7 2011 ...RED FLAG WARNING FOR RELATIVE HUMIDITIES AND WINDS FOR THE EASTERN NEBRAKA PANHANDLE... .A STRONG STORM SYSTEM WILL MOVE OUT OF THE CENTRAL ROCKIES...DEEPEN AND MOVE ONTO THE NORTHERN PLAINS TODAY. THIS WILL CREATE A STRONG PRESSURE GRADIENT OVER WESTERN NEBRASKA WITH STRONG SOUTHWESTERLY FLOW DEVELOPING THIS MORNING. NEZ204-071715- /O.NEW.KLBF.FW.W.0013.111007T1700Z-111008T0000Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- 307 AM MDT FRI OCT 7 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN NEBRASKA PANHANDLE... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MDT THIS EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER CONDITIONS TO PROMOTE 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. && $$ HTTP://WEATHER.GOV/LBF
3 follow-up statements
169 WWUS83 KLBF 071614 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 1114 AM CDT FRI OCT 7 2011 ...RED FLAG WARNING FOR RELATIVE HUMIDITIES AND WINDS... .FALLING DEWPOINTS THIS WILL LEAD TO RELATIVE HUMIDITY VALUES IN THE 10 TO 15 PERCENT RANGE ACROSS THE NEBRASKA PANHANDLE AND INTO NORTH CENTRAL NEBRASKA THIS AFTERNOON. THIS DRY AIR COMBINED WITH CURED FUELS AND BREEZY SOUTHWESTERLY WINDS GUSTING TO 35 MPH WILL CAUSE CONDITIONS TO BE CRITICAL FOR FIRE WEATHER DANGER THROUGH THIS EVENING. THE LOCATIONS THAT WILL SEE THE HIGHEST FIRE DANGER WILL BE NORTH AND WEST OF A LINE FROM OGALLALA TO THEDFORD TO SPRINGVIEW. NEZ206-208-080000- /O.EXA.KLBF.FW.W.0013.111007T1700Z-111008T0000Z/ SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 1114 AM CDT FRI OCT 7 2011 /1014 AM MDT FRI OCT 7 2011/ ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN NEBRASKA PANHANDLE INTO 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 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 AND FIRE WEATHER ZONE 208 NIOBRARA VALLEY/FORT NIOBRARA NWR. MAINLY NORTH AND WEST OF A LINE FROM OGALLALA TO THEDFORD TO SPRINGVIEW. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER CONDITIONS TO PROMOTE 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. && $$ NEZ204-080000- /O.CON.KLBF.FW.W.0013.111007T1700Z-111008T0000Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- 1014 AM MDT FRI OCT 7 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN NEBRASKA PANHANDLE... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER CONDITIONS TO PROMOTE 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. && $$ BROOKS HTTP://WEATHER.GOV/LBF
364 WWUS83 KLBF 072114 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 414 PM CDT FRI OCT 7 2011 ...RED FLAG WARNING FOR RELATIVE HUMIDITIES AND WINDS... .RELATIVE HUMIDITY VALUES OF 5 TO 15 PERCENT WILL PERSIST ACROSS THE NEBRASKA PANHANDLE AND INTO NORTH CENTRAL NEBRASKA THROUGH EARLY THIS EVENING. THIS DRY AIR COMBINED WITH CURED FUELS AND BREEZY SOUTHWESTERLY WINDS GUSTING TO 35 MPH WILL KEEP CONDITIONS CRITICAL FOR FIRE WEATHER DANGER THROUGH THIS EVENING. THE LOCATIONS WHERE FIRE DANGER IS HIGHEST IS NORTH AND WEST OF A LINE FROM OGALLALA TO THEDFORD TO SPRINGVIEW. NEZ204-206-208-080000- /O.CON.KLBF.FW.W.0013.000000T0000Z-111008T0000Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 414 PM CDT FRI OCT 7 2011 /314 PM MDT FRI OCT 7 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN NEBRASKA PANHANDLE INTO NORTH CENTRAL NEBRASKA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR/...FIRE WEATHER ZONE 206 SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST AND FIRE WEATHER ZONE 208 NIOBRARA VALLEY/FORT NIOBRARA NWR. MAINLY NORTH AND WEST OF A LINE FROM OGALLALA TO THEDFORD TO SPRINGVIEW. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 6 PERCENT. * IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER CONDITIONS TO PROMOTE EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BROOKS HTTP://WEATHER.GOV/LBF
573 WWUS83 KLBF 072356 AAA RFWLBF URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE NORTH PLATTE NE 656 PM CDT FRI OCT 7 2011 NEZ204-206-208-080100- /O.CAN.KLBF.FW.W.0013.000000T0000Z-111008T0000Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 656 PM CDT FRI OCT 7 2011 /556 PM MDT FRI OCT 7 2011/ ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR PAERTS OF WESTERN AND NORTH CENTRAL 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 6, 6:01 PM MDT | Tornado Warning | LBF | Cherry | 29 min |
| Oct 6, 6:37 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, McPherson, Perkins | 38 min |
| Oct 6, 7:07 PM MDT | Severe Thunderstorm Warning | LBF | Hooker, McPherson, Thomas | 38 min |
| Oct 6, 7:15 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, McPherson | 45 min |
| Oct 6, 7:40 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Hooker, Thomas | 50 min |
| Oct 6, 8:06 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Hooker | 39 min |
| Oct 6, 8:30 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 45 min |
| Oct 6, 9:17 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Keya Paha | 43 min |
| Oct 7, 2:50 AM MDT | Wind Advisory | LBF | Brown, Cherry, Keya Paha, Sheridan | 12 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.