Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 39, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Sep 3, 2012, 3:59 PM MDT for 18 counties in Nebraska. It took effect at Sep 4, 2012, 10:00 AM MDT. It was in force for 11 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 3, 2012, 3:59 PM MDT (21:59 UTC)
- In effect from
- Sep 4, 2012, 10:00 AM MDT
- Expired
- Sep 4, 2012, 9:00 PM MDT
- In force
- 11 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 22:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 5:25 PM MDT | TSTM WND GST 58 | 9 Ssw Monowi, NE | PUBLIC ESTIMATED 40-50 KNOT WINDS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.0 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2600 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
042 WWUS83 KLBF 032159 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 459 PM CDT MON SEP 3 2012 ...CRITICAL FIRE DANGER TUESDAY... .VERY DRY AIR COMBINED WITH STRONG WESTERLY WINDS WILL CREATE EXTREME FIRE WEATHER CONDITIONS ACROSS PORTIONS OF WESTERN NEBRASKA. LOCATIONS OF HIGHEST CONCERN WILL BE WEST OF A LINE FROM OSHKOSH TO WHITMAN TO CODY...WHERE RELATIVE HUMIDITY WILL FALL TO THE RANGE OF 7 TO 15 PERCENT WITH WINDS OF 15 TO 20 AND GUSTS TO 30 MPH. AREAS FURTHER EAST WILL SEE SLIGHTLY HIGHER RELATIVE HUMIDITY...BUT WILL STILL BE CRITICALLY DRY. WINDS WILL ALSO BE LIGHTER IN AREAS FURTHER EAST...BUT COULD STILL CAUSE DANGEROUS FIRE BEHAVIOR. NEZ204-041000- /O.NEW.KLBF.FW.W.0039.120904T1600Z-120905T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- 359 PM MDT MON SEP 3 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 204...WEST OSHKOSH TO WHITMAN TO CODY... 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 TO 9 PM MDT TUESDAY. * AFFECTED AREA...IN NEBRASKA...AREAS WEST OF A LINE FROM OSHKOSH TO WHITMAN TO CODY. * WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 7 PERCENT. * IMPACTS...THE STRONG WINDS AND DRY AIR COMBINED WITH 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. && $$ NEZ206-208-041000- /O.NEW.KLBF.FW.A.0023.120904T1600Z-120905T0300Z/ SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 459 PM CDT MON SEP 3 2012 /359 PM MDT MON SEP 3 2012/ ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR LOCATIONS WEST OF A LINE FROM NORTH PLATTE TO AINSWORTH... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 206 SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST AND FIRE WEATHER ZONE 208 NIOBRARA VALLEY/FORT NIOBRARA NWR. * WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...THE STRONG WINDS AND DRY AIR COMBINED WITH VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ HTTP://WEATHER.GOV/LBF BROOKS
2 follow-up statements
414 WWUS83 KLBF 040829 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 329 AM CDT TUE SEP 4 2012 ...CRITICAL FIRE DANGER TODAY... .VERY DRY AIR COMBINED WITH STRONG WESTERLY WINDS WILL CREATE CRITICAL FIRE DANGER ACROSS PARTS OF WESTERN AND NORTH CENTRAL NEBRASKA. LOCATIONS OF HIGHEST CONCERN WILL BE WEST OF A LINE FROM OSHKOSH TO WHITMAN TO CODY...WHERE RELATIVE HUMIDITY WILL FALL TO THE RANGE OF 9 TO 12 PERCENT WITH WINDS OF 15 TO 20 AND GUSTS TO 30 MPH. AREAS FURTHER EAST WILL SEE SLIGHTLY HIGHER RELATIVE HUMIDITY...BUT WILL STILL BE CRITICALLY DRY. WINDS WILL ALSO BE LIGHTER IN AREAS FURTHER EAST...BUT COULD STILL CAUSE DANGEROUS FIRE BEHAVIOR. NEZ206-208-042100- /O.UPG.KLBF.FW.A.0023.120904T1600Z-120905T0300Z/ /O.EXA.KLBF.FW.W.0039.120904T1600Z-120905T0300Z/ SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 329 AM CDT TUE SEP 4 2012 /229 AM MDT TUE SEP 4 2012/ ...RED FLAG WARNING IN EFFECT FROM 11 AM CDT /10 AM MDT/ THIS MORNING TO 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SANDHILLS INCLUDING VALENTINE NWR...NEBRASKA NATIONAL FOREST...SAMUEL R MCKELVIE NATIONAL FOREST AND THE NIOBRARA VALLEY... 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 CDT /10 AM MDT/ THIS MORNING TO 10 PM CDT /9 PM MDT/ THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * 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. * WINDS...WEST 10 TO 20 MPH WITH GUSTS TO 25 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...THE STRONG WINDS AND DRY AIR COMBINED WITH VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. ISOLATED THUNDERSTORMS CONTAINING DRY LIGHTNING ARE POSSIBLE LATE THIS AFTERNOON...MAINLY ALONG AND EAST OF HIGHWAY 83. 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. && $$ NEZ204-042100- /O.CON.KLBF.FW.W.0039.120904T1600Z-120905T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- 229 AM MDT TUE SEP 4 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 204...WEST OSHKOSH TO WHITMAN TO CODY... * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR. * WINDS...WEST 15 TO 20 MPH WITH GUSTS TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * IMPACTS...THE STRONG WINDS AND DRY AIR COMBINED WITH VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/LBF
829 WWUS83 KLBF 041627 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 1127 AM CDT TUE SEP 4 2012 ...RED FLAG WARNING IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR CRITICALLY LOW RELATIVE HUMIDITY VALUES...OCCASIONAL GUSTY WIND...AND A FRONTAL PASSAGE ACROSS NORTHWEST NEBRASKA LATER THIS EVENING... .VERY DRY AIR WILL COMBINE WITH ABNORMALLY WARM TEMPERATURES AND GUSTY WIND TO CREATE EXTREME FIRE DANGER ACROSS FIRE ZONES 204...206 AND WESTERN PORTIONS OF 208. THE LOCATIONS OF GREATEST CONCERN WILL BE WEST OF A LINE FROM OGALLALA TO THEDFORD TO VALENTINE...WHERE MINIMUM RELATIVE HUMIDITY MAY FALL BELOW 10 PERCENT. A FRONTAL PASSAGE IS EXPECTED TO ARRIVE ACROSS NORTHWEST NEBRASKA LATE THIS AFTERNOON...AND PASS THROUGH MUCH OF THE SAND HILLS REGION AND NORTH CENTRAL NEBRASKA THIS EVENING AND TONIGHT. A DISTINCT WIND SHIFT TO NORTHERLY WILL BE EXPECTED WITH THIS FRONTAL PASSAGE AND WIND SPEEDS ARE EXPECTED TO GUST AOA 20 MPH FOR A COUPLE HOURS WITH AND BEHIND THE PASSAGE. NOTE THAT RH RECOVERY MAY BE DELAYED UNTIL EARLY MORNING /AROUND SUNRISE/...THUS FIRE ACTIVITY COULD BE EXTREME AND/OR ERRATIC BEFORE AND AFTER THE PASSAGE OF THE FRONT. NEZ204-206-208-050030- /O.CON.KLBF.FW.W.0039.000000T0000Z-120905T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 1127 AM CDT TUE SEP 4 2012 /1027 AM MDT TUE SEP 4 2012/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SANDHILLS INCLUDING VALENTINE NWR...NEBRASKA NATIONAL FOREST...SAMUEL R MCKELVIE NATIONAL FOREST AND THE NIOBRARA VALLEY... * 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. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...THE STRONG WINDS AND DRY AIR COMBINED WITH VERY DRY FUELS CAN CAUSE DANGEROUS FIRE BEHAVIOR...WITH EXPLOSIVE GROWTH POSSIBLE WITH ANY FIRE. ISOLATED THUNDERSTORMS CONTAINING DRY LIGHTNING ARE POSSIBLE LATE THIS AFTERNOON... MAINLY ALONG AND EAST OF HIGHWAY 83. 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
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 2:41 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha, Rock | 64 min |
| Sep 3, 3:59 PM MDT | Fire Weather Watch | LBF | Blaine, Boyd, Brown, Cherry, Holt, Hooker and 6 more | 11 hr |
| Sep 3, 4:08 PM MDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 52 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.