Alert archive / Nebraska / Red Flag Warnings in 2011
Red Flag Warning 8, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at May 8, 2011, 2:21 PM MDT for 17 counties in Nebraska. It took effect at May 9, 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
- May 8, 2011, 2:21 PM MDT (20:21 UTC)
- In effect from
- May 9, 2011, 11:00 AM MDT
- Expired
- May 9, 2011, 8:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS North Platte, NE
Counties Arthur 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, Keith County, NE, Lincoln County, NE, Loup County, NE, Perkins County, NE, Sheridan County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 55 km from the middle of the area, began a volume at 20:25 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 46 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
- 1043 J/kg
- Mixed-layer CIN
- -350 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 211 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
046 WWUS83 KLBF 082021 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 321 PM CDT SUN MAY 8 2011 ...CRITICAL FIRE CONDITIONS EXPECTED MONDAY... .VERY DRY AIR IN THE WAKE OF A WARM FRONT AND SURFACE LOW PRESSURE SYSTEM WILL COMBINE WITH BREEZY CONDITIONS TO PRODUCE CRITICAL FIRE CONDITIONS MONDAY AFTERNOON AND EVENING. NEZ210-219-090830- /O.UPG.KLBF.FW.A.0005.110509T1700Z-110510T0300Z/ /O.NEW.KLBF.FW.W.0008.110509T1700Z-110510T0200Z/ FRENCHMAN BASIN-LOESS PLAINS- 321 PM CDT SUN MAY 8 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 210 AND 219... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 9 PM CDT MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 210 FRENCHMAN BASIN...FIRE WEATHER ZONE 219 LOESS PLAINS. * WIND...SOUTH WIND 15 TO 25 MPH AREA EXPECTED BY MID AFTERNOON MONDAY. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO DECREASE TO 10 TO 15 PERCENT BY LATE AFTERNOON AND CONTINUE THAT LOW UNTIL AROUND SUNSET. * IMPACTS...THE COMBINATION OF BRISK WIND AND VERY LOW RELATIVE HUMIDITY 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. && $$ NEZ204-090830- /O.NEW.KLBF.FW.W.0008.110509T1700Z-110510T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- 221 PM MDT SUN MAY 8 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 204... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR. * WIND...SOUTH TO SOUTHEAST WIND 15 TO 25 MPH AREA CAN BE EXPECTED BY MID AFTERNOON MONDAY. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO DECREASE TO 10 TO 15 PERCENT BY LATE AFTERNOON AND CONTINUE THAT LOW UNTIL AROUND SUNSET. * IMPACTS...THE COMBINATION OF BRISK WIND AND VERY LOW RELATIVE HUMIDITY WILL CREATE CONDITIONS FAVORABLE TO EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ JACOBS HTTP://WEATHER.GOV/NORTHPLATTE
3 follow-up statements
908 WWUS83 KLBF 090926 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 426 AM CDT MON MAY 9 2011 ...CRITICAL FIRE CONDITIONS EXPECTED TODAY... .VERY DRY AIR IN THE WAKE OF A WARM FRONT AND SURFACE LOW PRESSURE SYSTEM WILL COMBINE WITH BREEZY CONDITIONS TO PRODUCE CRITICAL FIRE CONDITIONS THIS AFTERNOON AND EVENING. NEZ204-210-219-092130- /O.CON.KLBF.FW.W.0008.110509T1700Z-110510T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-LOESS PLAINS- 426 AM CDT MON MAY 9 2011 /326 AM MDT MON MAY 9 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 204...210 AND 219... * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE 210 FRENCHMAN BASIN...FIRE WEATHER ZONE 219 LOESS PLAINS. IN ZONE 204...THE CRITICAL FIRE CONDITIONS WILL EXTEND JUST TO CRESCENT LAKE NWR. * WIND...SOUTH WIND 15 TO 25 MPH AREA EXPECTED BY MID AFTERNOON MONDAY. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO DECREASE TO 7 TO 15 PERCENT BY LATE AFTERNOON AND CONTINUE THAT LOW UNTIL JUST AFTER SUNSET. * IMPACTS...THE COMBINATION OF BRISK WIND...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. && $$ SPRINGER HTTP://WEATHER.GOV/NORTHPLATTE
224 WWUS83 KLBF 091659 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 1159 AM CDT MON MAY 9 2011 ...CRITICAL FIRE CONDITIONS EXPECTED THIS AFTERNOON AND EVENING... .VERY DRY AIR WILL CONTINUE TO PUSH INTO PORTIONS OF SOUTHERN NEBRASKA. LOW DEW POINTS AND TEMPERATURES AROUND 90 DEGREES IN PORTIONS OF SOUTHWEST NEBRASKA WILL CREATE SINGLE DIGIT RELATIVE HUMIDITY THERE. WINDS ARE MARGINAL BUT SINGLE DIGIT RELATIVE HUMIDITY VALUES CAN CREATE EXTREME FIRE CONDITIONS AND THE VENT RATES WILL BE HIGH AS THE MIXING HEIGHTS ARE HIGH TODAY. NEZ209-100200- /O.EXA.KLBF.FW.W.0008.110509T1700Z-110510T0200Z/ LOUP RIVERS BASIN- 1159 AM CDT MON MAY 9 2011 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 209... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN. * WIND...SOUTH WIND 15 TO 25 MPH AREA EXPECTED BY MID AFTERNOON MONDAY. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO DECREASE TO 7 TO 15 PERCENT BY LATE AFTERNOON AND CONTINUE THAT LOW UNTIL JUST AFTER SUNSET. * IMPACTS...THE COMBINATION OF BRISK WIND...VERY LOW RELATIVE HUMIDITY AND VERY DRY FUELS WILL CREATE CONDITIONS FAVORABLE TO EXTREME FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ NEZ204-210-219-100200- /O.CON.KLBF.FW.W.0008.110509T1700Z-110510T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-LOESS PLAINS- 1159 AM CDT MON MAY 9 2011 /1059 AM MDT MON MAY 9 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...210 AND 219... * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE 210 FRENCHMAN BASIN...FIRE WEATHER ZONE 219 LOESS PLAINS. * WIND...SOUTH WIND 15 TO 25 MPH AREA EXPECTED BY MID AFTERNOON MONDAY. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO DECREASE TO 7 TO 15 PERCENT BY LATE AFTERNOON AND CONTINUE THAT LOW UNTIL JUST AFTER SUNSET. * IMPACTS...THE COMBINATION OF BRISK WIND...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. && $$ HIRSCH FOR ADDITIONAL INFORMATION HTTP://WEATHER.GOV/NORTHPLATTE
304 WWUS83 KLBF 092032 RFWLBF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 332 PM CDT MON MAY 9 2011 ...CRITICAL FIRE CONDITIONS TO CONTINUE THROUGH THIS EVENING... .VERY DRY AIR WILL CONTINUE TO PUSH INTO PORTIONS OF SOUTHERN NEBRASKA. SINGLE DIGIT RELATIVE HUMIDITY VALUES LATE THIS AFTERNOON STRETCH FROM SOUTHWEST NEBRASKA INTO CENTRAL NEBRASKA. WINDS ARE GENERALLY 10 TO 20 MPH BUT FREQUENT GUSTS ARE SEEN TO 25 AND NEAR 30 IN PORTIONS OF CENTRAL NEBRASKA. MIXING HEIGHTS ARE HIGH WHICH WILL ALSO PROMOTE ANY FIRES WHICH DO DEVELOP. NEZ204-092145- /O.CAN.KLBF.FW.W.0008.000000T0000Z-110510T0200Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- 232 PM MDT MON MAY 9 2011 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 204... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELED THE RED FLAG WARNING. * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR. * WIND...NORTH WINDS AROUND 10 MPH TO 15 MPH. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO RANGE FROM 40 PERCENT SOUTH TO 60 PERCENT NORTH. * IMPACTS...THUNDERSTORMS AND DANGEROUS LIGHTNING MAY BE POSSIBLE LATER TONIGHT IN THE EASTERN PANHANDLE. $$ NEZ209-210-219-100200- /O.CON.KLBF.FW.W.0008.000000T0000Z-110510T0200Z/ LOUP RIVERS BASIN-FRENCHMAN BASIN-LOESS PLAINS- 332 PM CDT MON MAY 9 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 209... 210 AND 219... * AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 209 LOUP RIVERS BASIN...FIRE WEATHER ZONE 210 FRENCHMAN BASIN...FIRE WEATHER ZONE 219 LOESS PLAINS. * WIND...SOUTH WIND 15 TO 25 MPH AREA EXPECTED BY MID AFTERNOON MONDAY. * HUMIDITY...RELATIVE HUMIDITY IS EXPECTED TO DECREASE TO 7 TO 15 PERCENT BY LATE AFTERNOON AND CONTINUE THAT LOW UNTIL JUST AFTER SUNSET. * IMPACTS...THE COMBINATION OF BRISK WIND...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. && $$ HTTP://WEATHER.GOV/NORTHPLATTE
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 3:11 AM MDT | Fire Weather Watch | LBF | Chase, Frontier, Hayes, Lincoln, Perkins | 11 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.