Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 40, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Sep 5, 2012, 2:26 PM MDT for 26 counties in Nebraska. It took effect at Sep 6, 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
- Sep 5, 2012, 2:26 PM MDT (20:26 UTC)
- In effect from
- Sep 6, 2012, 11:00 AM MDT
- Expired
- Sep 6, 2012, 8:13 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 20:30 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, 8.4 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
- 2362 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -202 m²/s²
- 0-3 km storm-relative helicity
- 415 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
145 WWUS83 KLBF 052026 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 326 PM CDT WED SEP 5 2012 ...CRITICAL FIRE DANGER EXPECTED THURSDAY... .RED FLAG WARNING CONDITIONS ARE ANTICIPATED ACROSS THE AREA THURSDAY. LOW RELATIVE HUMIDITY VALUES WILL COMBINE WITH ABNORMALLY WARM TEMPERATURES TO PRODUCE AN ENVIRONMENT THAT IS FAVORABLE FOR EXTREME FIRE GROWTH. ALSO OF CONCERN IS A PASSING FRONT DURING THE DAY WHICH WILL PROVIDE AS DISTINCT WIND SHIFT LINE...WITH WINDS SWITCHING FROM THE SOUTH TO THE NORTHWEST AS THE FRONT PASSES. DURING THE EVENING HOURS...WINDS WILL BEGIN TO INCREASE AS A HIGH PRESSURE SLIDES INTO THE AREA BEHIND THE PASSING FRONT. WINDS SHOULD BEGIN TO DIMINISH EARLY IN THE MORNING ON FRIDAY. POTENTIAL WILL ALSO EXIST FOR A STRAY SHOWER OR THUNDERSTORM ALONG THE FRONT...WHICH SHOULD BE HIGH BASED IN NATURE. THIS WOULD INTRODUCE A THREAT FOR CLOUD TO GROUND LIGHTING AND ERRATIC GUSTY WINDS. NEZ204-206-208-210-060430- /O.UPG.KLBF.FW.A.0024.120906T1700Z-120907T0300Z/ /O.NEW.KLBF.FW.W.0040.120906T1700Z-120907T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR-FRENCHMAN BASIN- 326 PM CDT WED SEP 5 2012 /226 PM MDT WED SEP 5 2012/ ...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 10 PM CDT /9 PM MDT/ THURSDAY 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/ THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * 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...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...THE STRONG WINDS...DRY AIR AND VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. 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. && $$ NEZ209-219-060430- /O.NEW.KLBF.FW.W.0040.120906T1700Z-120907T0300Z/ LOUP RIVERS BASIN-LOESS PLAINS- 326 PM CDT WED SEP 5 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM CDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL FIRE ZONES ACROSS WESTERN AND NORTH CENTRAL NEBRASKA... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 10 PM CDT THURSDAY. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN AND FIRE WEATHER ZONE 219 LOESS PLAINS. * WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 TO 20 PERCENT. * IMPACTS...THE STRONG WINDS...DRY AIR AND VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/LBF
3 follow-up statements
537 WWUS83 KLBF 060904 AAA RFWLBF URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE NORTH PLATTE NE 404 AM CDT THU SEP 6 2012 ...CRITICAL FIRE DANGER... .CRITICAL FIRE DANGER IS EXPECTED LATE THIS MORNING THROUGH THIS EVENING. RELATIVE HUMIDITY BELOW 10 PERCENT...IN SOME AREAS...ABNORMALLY WARM TEMPERATURES AND GUSTY WINDS AROUND 30 MPH WILL PRODUCE AN ENVIRONMENT FAVORABLE FOR EXTREME FIRE GROWTH. A COLD FRONT DROPPING THROUGH NORTH CENTRAL NEBRASKA LATE THIS AFTERNOON WILL PRODUCE A WIND SHIFT WITH WINDS BECOMING NORTH. INCREASING WIND SPEEDS ARE EXPECTED BEHIND THE FRONT. WINDS SHOULD BEGIN TO DIMINISH EARLY IN THE MORNING ON FRIDAY AND ISOLATED TO SCATTERED SHOWERS MAY DEVELOP BEHIND THE FRONT ALSO. NEZ204-206-208>210-219-062100- /O.CON.KLBF.FW.W.0040.120906T1700Z-120907T0300Z/ 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- 404 AM CDT THU SEP 6 2012 /304 AM MDT THU SEP 6 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...WEST AND NORTHWEST AT 10 TO 20 MPH WITH GUSTS TO 30 MPH BECOMING NORTH WITH THE PASSAGE OF A COLD FRONT LATE THIS AFTERNOON AND THIS EVENING. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...THE STRONG WINDS...DRY AIR AND VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. 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
007 WWUS83 KLBF 060923 AAB RFWLBF URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE NORTH PLATTE NE 423 AM CDT THU SEP 6 2012 ...CRITICAL FIRE DANGER... .CRITICAL FIRE DANGER IS EXPECTED LATE THIS MORNING THROUGH THIS EVENING. RELATIVE HUMIDITY BELOW 10 PERCENT...IN SOME AREAS... ABNORMALLY WARM TEMPERATURES AND GUSTY WINDS AROUND 30 MPH WILL PRODUCE AN ENVIRONMENT FAVORABLE FOR EXTREME FIRE GROWTH. A COLD FRONT DROPPING THROUGH NORTHERN NEBRASKA LATE THIS MORNING WILL PRODUCE A WIND SHIFT WITH WINDS BECOMING NORTH. INCREASING WIND SPEEDS ARE EXPECTED BEHIND THE FRONT. WINDS SHOULD BEGIN TO DIMINISH EARLY FRIDAY MORNING AND ISOLATED TO SCATTERED SHOWERS MAY DEVELOP BEHIND THE FRONT ALSO. NEZ204-206-208>210-219-061730- /O.CON.KLBF.FW.W.0040.120906T1700Z-120907T0300Z/ 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- 423 AM CDT THU SEP 6 2012 /323 AM MDT THU SEP 6 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...WEST AND NORTHWEST AT 10 TO 20 MPH WITH GUSTS TO 30 MPH BECOMING NORTH WITH THE PASSAGE OF A COLD FRONT LATE THIS MORNING AND THIS AFTERNOON. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...THE STRONG WINDS...DRY AIR AND VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. 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
691 WWUS83 KLBF 070213 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 913 PM CDT THU SEP 6 2012 ...CRITICAL FIRE DANGER CONDITIONS HAVE ENDED ACROSS WESTERN AND NORTH CENTRAL NEBRASKA... NEZ204-206-208>210-219-070315- /O.CAN.KLBF.FW.W.0040.000000T0000Z-120907T0300Z/ 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- 913 PM CDT THU SEP 6 2012 /813 PM MDT THU SEP 6 2012/ ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL FIRE ZONES ACROSS WESTERN AND NORTH CENTRAL NEBRASKA... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE RED FLAG WARNING. TEMPERATURES HAVE COOLED DRASTICALLY BEHIND AN EXITING COLD FRONT. THIS HAS ALLOWED RELATIVE HUMIDITY TO RECOVER TO 20 TO 30 PERCENT ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. GUSTY NORTHERLY WINDS OF 10 TO 20 MPH...WITH GUSTS TO 25 MPH ARE POSSIBLE INTO THE OVERNIGHT. $$ 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 |
|---|---|---|---|---|
| Sep 5, 1:40 AM MDT | Fire Weather Watch | LBF | Arthur, Blaine, Boyd, Brown, Chase, Cherry and 15 more | 13 hr |
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.