Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 13, NWS Omaha, NE
NWS Omaha, NE issued this red flag warning at Sep 21, 2012, 12:20 PM CDT for 19 counties in Nebraska. It took effect at Sep 21, 2012, 1:00 PM CDT. It was in force for 5 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 21, 2012, 12:20 PM CDT (17:20 UTC)
- In effect from
- Sep 21, 2012, 1:00 PM CDT
- Expired
- Sep 21, 2012, 6:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Omaha, NE
Counties Boone County, NE, Burt County, NE, Butler County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Gage County, NE, Jefferson County, NE, Lancaster County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE
The radar
The Omaha radar (KOAX), 62 km from the middle of the area, began a volume at 17:19 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 12:00Z, 5.3 hours before the alert went out and 61 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
- 2186 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
349 WWUS83 KOAX 211720 RFWOAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1220 PM CDT FRI SEP 21 2012 ...DANGEROUS FIRE CONDITIONS THIS AFTERNOON... .THE COMBINATION OF GUSTY NORTHWEST WINDS...LOW RELATIVE HUMIDITIES AND DRY FUELS WILL CREATE DANGEROUS FIRE CONDITIONS THIS AFTERNOON. NEZ050-051-065-066-078-088-089-212300- /O.NEW.KOAX.FW.W.0013.120921T1800Z-120921T2300Z/ BUTLER-SAUNDERS-SEWARD-LANCASTER-SALINE-JEFFERSON-GAGE- 1220 PM CDT FRI SEP 21 2012 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR FIRE WEATHER ZONES 050...051...065...066... 078...088 AND 089... THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 050...051...065...066... 078...088 AND 089. * WIND...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...LOWEST RELATIVE HUMIDITIES 15 TO 20 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING SHOULD BE AVOIDED. 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. && $$ ZAPOTOCNY
2 follow-up statements
158 WWUS83 KOAX 211803 RFWOAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 103 PM CDT FRI SEP 21 2012 ...DANGEROUS FIRE CONDITIONS THIS AFTERNOON... .THE COMBINATION OF GUSTY NORTHWEST WINDS...LOW RELATIVE HUMIDITIES AND DRY FUELS WILL CREATE DANGEROUS FIRE CONDITIONS THIS AFTERNOON. NEZ012-015-017-018-030>034-042>044-212300- /O.EXA.KOAX.FW.W.0013.000000T0000Z-120921T2300Z/ CEDAR-THURSTON-PIERCE-WAYNE-BOONE-MADISON-STANTON-CUMING-BURT- PLATTE-COLFAX-DODGE- 103 PM CDT FRI SEP 21 2012 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR FIRE WEATHER ZONES 012...015...017...018... 030...031...032...033...034...042...043 AND 044... THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 012...015...017...018... 030...031...032...033...034...042...043 AND 044. * WIND...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...LOWEST RELATIVE HUMIDITIES 15 TO 20 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING SHOULD BE AVOIDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ NEZ050-051-065-066-078-088-089-212300- /O.CON.KOAX.FW.W.0013.000000T0000Z-120921T2300Z/ BUTLER-SAUNDERS-SEWARD-LANCASTER-SALINE-JEFFERSON-GAGE- 103 PM CDT FRI SEP 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR FIRE WEATHER ZONES 050...051...065... 066...078...088 AND 089... * AFFECTED AREA...FIRE WEATHER ZONES 050...051...065...066... 078...088 AND 089. * WIND...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...LOWEST RELATIVE HUMIDITIES 15 TO 20 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING SHOULD BE AVOIDED. 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. && $$ ZAPOTOCNY
724 WWUS83 KOAX 212245 RFWOAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 545 PM CDT FRI SEP 21 2012 NEZ012-015-017-018-030>034-042>044-050-051-065-066-078-088-089- 212345- /O.EXP.KOAX.FW.W.0013.000000T0000Z-120921T2300Z/ CEDAR-THURSTON-PIERCE-WAYNE-BOONE-MADISON-STANTON-CUMING-BURT- PLATTE-COLFAX-DODGE-BUTLER-SAUNDERS-SEWARD-LANCASTER-SALINE- JEFFERSON-GAGE- 545 PM CDT FRI SEP 21 2012 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CDT THIS EVENING FOR FIRE WEATHER ZONES 050...051...065... 066...078...088 AND 089... $$ MILLER
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 3:28 PM CDT | Freeze Watch | OAX | Antelope, Boone, Burt, Butler, Cedar, Colfax and 13 more | 12 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.