Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Omaha, NE
NWS Omaha, NE issued this red flag warning at Apr 7, 2012, 3:20 AM CDT for 9 counties in Nebraska. It took effect at Apr 7, 2012, 1:00 PM CDT. It was in force for 6 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
- Apr 7, 2012, 3:20 AM CDT (08:20 UTC)
- In effect from
- Apr 7, 2012, 1:00 PM CDT
- Expired
- Apr 7, 2012, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Omaha, NE
Counties Antelope County, NE, Boone County, NE, Cedar County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Wayne County, NE
The radar
The Omaha radar (KOAX), 134 km from the middle of the area, began a volume at 08:22 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
Omaha, NE (KOAX), launched 00:00Z, 8.3 hours before the alert went out and 134 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
- 2193 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
514 WWUS83 KOAX 070820 RFWOAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 320 AM CDT SAT APR 7 2012 ...DANGEROUS FIRE WEATHER CONDITIONS POSSIBLE THIS AFTERNOON... .NORTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH WITH GUSTS OVER 30 MPH ACROSS THE AREA BY AFTERNOON. WITH MINIMUM RELATIVE HUMIDITIES EXPECTED TO FALL TO AROUND 20 PERCENT...DANGEROUS FIRE WEATHER CONDITIONS WILL LIKELY DEVELOP. NEZ011-012-016>018-030>032-042-071630- /O.NEW.KOAX.FW.W.0004.120407T1800Z-120408T0000Z/ KNOX-CEDAR-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-STANTON-PLATTE- 320 AM CDT SAT APR 7 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 011...012...016...017...018...030...031...032 AND 042... THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 011...012...016...017... 018...030...031...032 AND 042. * WIND...WILL SHIFT TO NORTHWEST AND INCREASE TO 15 TO 25 MPH WITH GUSTS OVER 30 MPH BY AFTERNOON. * HUMIDITY...LOWEST WILL FALL TO AROUND 20 PERCENT BY MID AFTERNOON. * THUNDERSTORMS...NONE EXPECTED THIS AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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. && $$ CHERMOK
1 follow-up statement
910 WWUS83 KOAX 071603 RFWOAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1103 AM CDT SAT APR 7 2012 ...DANGEROUS FIRE WEATHER CONDITIONS POSSIBLE THIS AFTERNOON... .NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS OVER 30 MPH WILL CONTINUE ACROSS THE AREA THIS AFTERNOON. WITH MINIMUM RELATIVE HUMIDITIES EXPECTED TO FALL TO AROUND 20 PERCENT...DANGEROUS FIRE WEATHER CONDITIONS WILL LIKELY DEVELOP. NEZ011-012-016>018-030>032-042-080000- /O.CON.KOAX.FW.W.0004.120407T1800Z-120408T0000Z/ KNOX-CEDAR-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-STANTON-PLATTE- 1103 AM CDT SAT APR 7 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 011... 012...016...017...018...030...031...032 AND 042... * AFFECTED AREA...FIRE WEATHER ZONES 011...012...016...017... 018...030...031...032 AND 042. * WIND...NORTHWEST 15 TO 25 MPH WITH GUSTS OVER 30 MPH. * HUMIDITY...LOWEST WILL FALL TO AROUND 20 PERCENT BY MID AFTERNOON. * THUNDERSTORMS...NONE EXPECTED THIS AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ KERN
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.