Alert archive / Nebraska / Red Flag Warnings in 2021
Red Flag Warning 10, NWS Omaha, NE
NWS Omaha, NE issued this red flag warning at Dec 14, 2021, 2:21 PM CST for 15 counties in Nebraska; 5 counties in Iowa. It took effect at Dec 15, 2021, 12:00 PM CST. It was in force for 6 hr. 60 reports 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
- Dec 14, 2021, 2:21 PM CST (20:21 UTC)
- In effect from
- Dec 15, 2021, 12:00 PM CST
- Expired
- Dec 15, 2021, 6:25 PM CST
- In force
- 6 hr
- Issued by
- NWS Omaha, NE
Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Butler County, NE, Cass County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE
The radar
The Omaha radar (KOAX), 65 km from the middle of the area, began a volume at 20:23 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 |
|---|---|---|---|
| Dec 15, 12:40 PM CST | NON-TSTM WND GST 53 | 1 Se Preston, NE | MESONET STATION NB077 RULO 5SW. |
| Dec 15, 12:56 PM CST | NON-TSTM WND GST 62 | 1 E Falls City, NE | AWOS STATION KFNB FALLS CITY AIRPORT. |
| Dec 15, 1:30 PM CST | NON-TSTM WND GST 49 | 5 Wnw Underwood, IA | MESONET STATION AV424 UNDERWOOD. |
| Dec 15, 1:35 PM CST | NON-TSTM WND GST 58 | 2 W Red Oak, IA | AWOS STATION KRDK RED OAK AIRPORT. |
| Dec 15, 1:35 PM CST | NON-TSTM WND GST 58 | Red Oak, IA | |
| Dec 15, 1:53 PM CST | NON-TSTM WND GST 62 | 1 Nne Falls City, NE | CORRECTS PREVIOUS NON-TSTM WND DMG REPORT FROM 1 NNE FALLS CITY. 62 MPH NON T-STORM GUST. |
| Dec 15, 1:53 PM CST | NON-TSTM WND DMG | 1 Nne Falls City, NE | 62 MPH NON T-STORM GUST. |
| Dec 15, 2:00 PM CST | NON-TSTM WND DMG | 6 Ese Coburg, IA | 2-3 POWER POLES SHEARED OFF. TIME UNKNOWN. |
| Dec 15, 2:03 PM CST | NON-TSTM WND GST 60 | 3 N Hastings, IA | |
| Dec 15, 2:55 PM CST | TSTM WND DMG | 5 W Fairbury, NE | SEMI BLOWN OVER. |
| Dec 15, 2:55 PM CST | TSTM WND DMG | Fairbury, NE | POWER LINES BLOWN DOWN. |
| Dec 15, 2:56 PM CST | TSTM WND DMG | 6 N Reynolds, NE | SEMI TRUCK BLOWN OVER ON HIGHWAY 136. |
| Dec 15, 2:59 PM CST | TSTM WND GST 63 | 6 Nw Fairbury, NE | MESONET STATION UR416 HEDRIW. |
| Dec 15, 2:59 PM CST | TSTM WND GST 74 | 2 Wsw Fairbury, NE | MESONET STATION AT FAIRBURY. |
| Dec 15, 3:00 PM CST | TSTM WND DMG | 7 S Friend, NE | WIND STRONG ENOUGH TO BREAK LIMBS THAT ARE 2-3 INCHES. HAIL WAS NICKEL SIZE. |
| Dec 15, 3:00 PM CST | TSTM WND GST 80 | 2 Wsw Fairbury, NE | |
| Dec 15, 3:00 PM CST | NON-TSTM WND GST 48 | Milford, NE | MESONET STATION FW2695 MILFORD. |
| Dec 15, 3:00 PM CST | NON-TSTM WND GST 51 | 1 Ssw Utica, NE | MESONET STATION DW5527 UTICA. |
| Dec 15, 3:02 PM CST | TSTM WND DMG | Fairbury, NE | DELAYED REPORT. NUMEROUS PIVOTS OVERTURNED THROUGHOUT THE COUNTY. |
| Dec 15, 3:09 PM CST | TSTM WND DMG | 6 Nne Reynolds, NE | POWER LINE DOWN. |
| Dec 15, 3:09 PM CST | NON-TSTM WND GST 48 | 3 E Friend, NE | MESONET STATION CW7409 FRIEND. |
| Dec 15, 3:11 PM CST | TORNADO | 3 Se Dorchester, NE | EYEWITNESS REPORTS OF NUMEROUS IRRIGATION CENTER PIVOTS BLOWN OVER/MANGLED. APPROXIMATE STARTING POINT OF INTERMITTENT TORNADO THAT TRAVERSED PORTIONS OF SALINE, SEWARD AND LANCASTER COUNTIES. PATH LENGTH 23.8 MILES. MAXIMUM WIDTH 70 YARDS. |
| Dec 15, 3:14 PM CST | TSTM WND DMG | Plymouth, NE | DELAYED REPORT, TIME ESTIMATED FROM RADAR. DAMAGE TO OUTBUILDINGS AND BARNS IN THE PLYMOUTH AREA. |
| Dec 15, 3:15 PM CST | TSTM WND GST 84 | 2 Ne David City, NE | FROM PERSONAL WEATHER STATION. |
| Dec 15, 3:15 PM CST | NON-TSTM WND GST 47 | 4 N Milford, NE | MESONET STATION EW0651 MILFORD. |
| Dec 15, 3:17 PM CST | TORNADO | 4 Ssw Pleasant Dale, NE | FARM OUTBUILDING. WALLS COLLAPSED AND DEBRIS STREWN ONE TO TENTHS DOWNSTREAM. |
| Dec 15, 3:21 PM CST | TSTM WND GST 67 | 3 Ese Lincoln, NE | FROM A PERSONAL WEATHER STATION. |
| Dec 15, 3:23 PM CST | TORNADO | 2 Ene Pleasant Dale, NE | FARMSTEAD EXPERIENCED LOSS OF TOP OF WELL-CONSTRUCTED 100 YEAR OLD BARN BOLTED TO FOUNDATION PLATE USING REBAR. METAL OUTBUILDING DESTROYED. LARGE DENT GRAIN SILO. BOAT DOCK DETACHED FROM WOODEN POSTS AND FLUNG ACROSS POND. FARM OWNER WITNESSED WHITE BLUR LAST |
| Dec 15, 3:29 PM CST | NON-TSTM WND GST 93 | 5 Wnw Lincoln, NE | ASOS STATION KLNK LINCOLN AIRPORT. |
| Dec 15, 3:30 PM CST | TSTM WND GST 93 | 4 Nw Lincoln, NE | |
| Dec 15, 3:32 PM CST | TSTM WND DMG | 1 Nnw Hickman, NE | DELAYED REPORT, TIME ESTIMATED FROM RADAR. REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. |
| Dec 15, 3:35 PM CST | TSTM WND DMG | 3 Se Ithaca, NE | LOST GARAGE AND A SHED. |
| Dec 15, 3:35 PM CST | TSTM WND GST 86 | 1 Nnw Beatrice, NE | |
| Dec 15, 3:37 PM CST | TSTM WND DMG | 2 Ene Davey, NE | DELAYED REPORT, TIME ESTIMATED FROM RADAR. SEVERAL LARGE TREES SNAPPED OR UPROOTED. NO DAMAGE TO BUILDINGS AT THE RESIDENCE. |
| Dec 15, 3:38 PM CST | NON-TSTM WND GST 57 | 1 Ene Lincoln, NE | MESONET STATION FW4554 LINCOLN. |
| Dec 15, 3:40 PM CST | TSTM WND DMG | 5 N Lincoln, NE | REPORT OF ROOF BLOWN OFF APARTMENT BUILDING. |
| Dec 15, 3:40 PM CST | TSTM WND DMG | Denton, NE | ALMOST 20' TREE BLOWN OVER AND PATIO FURNITURE TOSSED AROUND NEAR DENTON. |
| Dec 15, 3:41 PM CST | TSTM WND DMG | 3 E Ceresco, NE | DELAYED REPORT, TIME ESTIMATED FROM RADAR. REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. |
| Dec 15, 3:41 PM CST | TORNADO | 4 E Ceresco, NE | A TORNADO DEVELOPED JUST NORTH OF THE JACK SINN MEMORIAL WILDLIFE MANAGEMENT AREA, PRODUCING DAMAGE TO FARM BUILDINGS AND THEN MOVING OFF TOWARD THE NORTHEAST, AND EVENTUALLY THE NORTH NORTHEAST AS OBSERVED BY A STORM CHASER. THE TORNADO CAUSED DAMAGE TO SEVER |
| Dec 15, 3:44 PM CST | TSTM WND GST 92 | Bennet, NE | |
| Dec 15, 3:44 PM CST | TORNADO | 4 E Ceresco, NE | GENERAL TRACK BEGINNING NEAR CO RD 14 & CO RD A AND TRACK ENDED NEAR CO RD 11 & CO RD E. |
| Dec 15, 3:46 PM CST | TSTM WND DMG | 3 Sw Douglas, NE | DELAYED REPORT, TIME ESTIMATED FROM RADAR. REPORT FROM MPING: TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF. |
| Dec 15, 3:46 PM CST | TORNADO | 1 Nnw Ithaca, NE | A SHORT TRACK EF-1 TORNADO BEGAN JUST WEST OF CR 13 AND TRAVELED OVER A FARMSTEAD. THIS TORNADO CAUSED SUBSTANTIAL DAMAGE TO SEVERAL OUTBUILDINGS AND A GRAIN BIN. A CATTLE FEEDER THAT WAS SECURED TO THE GROUND VIA 3 FOOT DEEP CONCRETE POSTS WAS LIFTED AND THRO |
| Dec 15, 3:49 PM CST | TSTM WND GST 90 | Eagle, NE | |
| Dec 15, 3:50 PM CST | TSTM WND GST 63 | 4 N Memphis, NE | MESONET STATION NB075 MEMPHIS 4N. |
| Dec 15, 3:51 PM CST | TSTM WND GST 99 | 3 E Ithaca, NE | UNL CSP1 PIVOT NEAR INTERSECTION OF COUNTY ROAD H AND COUNTY ROAD 10. |
| Dec 15, 3:53 PM CST | TSTM WND GST 128 | 4 Se Mead, NE | Corrects previous tstm wnd gst report from 4 SE Mead for wrong date. Very delayed report (2021). Received from UNL School of Natural Resources. Appears to have occurred in the rear flank downdraft region to the east (right) of a tornado track of the 12/15/2021 |
| Dec 15, 3:55 PM CST | TORNADO | 2 Wsw Avoca, NE | A VERY NARROW TORNADO, APPROXIMATELY 20 YARDS WIDE, WAS WITNESSED AND CAUSED SUBSTANTIAL DAMAGE TO VEHICLES AND FARM EQUIPMENT WHILE DESTROYING A LARGE SHED NEAR ITS ONSET AND PROCEEDED TO CAUSE MINOR DAMAGE FOR APPROXIMATELY 3 MILES TO THE NORTHEAST BEFORE DI |
| Dec 15, 3:56 PM CST | TSTM WND GST 70 | 3 Wnw Otoe, NE | |
| Dec 15, 3:56 PM CST | TSTM WND GST 70 | 3 W Otoe, NE | |
| Dec 15, 3:57 PM CST | TSTM WND DMG | Cedar Bluffs, NE | ROOF BLOWN OFF AND POWER LINES DOWN IN TOWN. |
| Dec 15, 3:57 PM CST | TSTM WND GST 81 | 3 Ese Lewiston, NE | |
| Dec 15, 4:01 PM CST | TSTM WND DMG | 3 Ene Lincoln, NE | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. |
| Dec 15, 4:01 PM CST | TSTM WND DMG | 5 Ssw Union, NE | BARN AND GRAIN BINS DESTROYED. TREES SNAPPED. ADDITIONAL DAMAGE TO TREES AND POWER LINES ACROSS OTHER PARTS OF OTOE COUNTY AS WELL. |
| Dec 15, 4:03 PM CST | TSTM WND GST 60 | 1 Wnw Valley, NE | |
| Dec 15, 4:04 PM CST | TSTM WND DMG | 2 E Mead, NE | POWER LINES DOWN AND THUNDERSTORM WIND DAMAGE ALONG HIGHWAY 92. |
| Dec 15, 4:05 PM CST | NON-TSTM WND GST 48 | 3 Nw Nebraska City, NE | MESONET STATION NB047 NEBRASKA CITY 3NW. |
| Dec 15, 4:05 PM CST | TORNADO | 3 Ne Nehawka, NE | ROOF REMOVED FROM HOUSE. ROOF OVER GARAGE UPLIFTED AND DISPLACED. HOUSE MOVED SLIGHTLY ON FOUNDATION. SEVERAL LARGE PINES & OAK TREES SNAPPED. |
| Dec 15, 4:05 PM CST | TORNADO | 4 S Union, NE | A BRIEF EF-1 TORNADO SNAPPED POWER POLES. SWIRLING WAS NOTED IN CORN FIELDS NORTH AND SOUTH OF COUNTY ROAD C. |
| Dec 15, 4:05 PM CST | TORNADO | 4 S Union, NE | A BRIEF EF-1 TORNADO SNAPPED POWER POLES. SWIRLING WAS NOTED IN CORN FIELDS NORTH AND SOUTH OF COUNTY ROAD C. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 8.4 hours before the alert went out and 65 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
- 1742 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
136 WWUS83 KOAX 142021 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 221 PM CST Tue Dec 14 2021 ...Dangerous Fire Weather Conditions Expected Wednesday... IAZ069-079-080-090-091-NEZ050>053-065>068-078-088>093-150430- /O.UPG.KOAX.FW.A.0005.211215T1800Z-211216T0300Z/ /O.NEW.KOAX.FW.W.0010.211215T1800Z-211216T0300Z/ Pottawattamie-Mills-Montgomery-Fremont-Page-Butler-Saunders- Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage- Johnson-Nemaha-Pawnee-Richardson- 221 PM CST Tue Dec 14 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CST WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... The National Weather Service in Omaha/Valley has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 9 PM CST Wednesday. The Fire Weather Watch is no longer in effect. * Affected Area...In Iowa, Pottawattamie, Mills, Montgomery, Fremont and Page. In Nebraska, Butler, Saunders, Douglas, Sarpy, Seward, Lancaster, Cass, Otoe, Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson. * Winds...Southwest 30 to 40 mph with gusts up to 70 mph. * Relative Humidity...As low as 15 percent. * Impacts...Any fires that ignite will spread rapidly and exhibit extreme behavior. Outdoor burning is not recommended. If fires develop, be prepared for a wind shift from the south to the southwest to the west. 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 can contribute to extreme fire behavior. && $$ DeWald
4 follow-up statements
779 WWUS83 KOAX 150300 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 900 PM CST Tue Dec 14 2021 ...Dangerous Fire Weather Conditions Expected Wednesday... IAZ069-079-080-090-091-NEZ050>053-065>068-078-088>093-151100- /O.CON.KOAX.FW.W.0010.211215T1800Z-211216T0300Z/ Pottawattamie-Mills-Montgomery-Fremont-Page-Butler-Saunders- Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage- Johnson-Nemaha-Pawnee-Richardson- 900 PM CST Tue Dec 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM CST WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... * Affected Area...the following counties in Iowa, Pottawattamie, Mills, Montgomery, Fremont and Page. In Nebraska, Butler, Saunders, Douglas, Sarpy, Seward, Lancaster, Cass, Otoe, Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson. * Winds...Southwest 25 to 40 mph with gusts 50 to 65 mph. * Relative Humidity...dropping into the 15 to 30 percent range. * Impacts...Any fires that ignite will spread rapidly and exhibit extreme behavior. Outdoor burning is not recommended. If fires develop, be prepared for a wind shift from the south to the southwest and then to the west. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected. The combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
756 WWUS83 KOAX 150934 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 334 AM CST Wed Dec 15 2021 ...Dangerous Fire Weather Conditions Expected Wednesday... IAZ069-079-080-090-091-NEZ050>053-065>068-078-088>093-151745- /O.CON.KOAX.FW.W.0010.211215T1800Z-211216T0300Z/ Pottawattamie-Mills-Montgomery-Fremont-Page-Butler-Saunders- Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage- Johnson-Nemaha-Pawnee-Richardson- 334 AM CST Wed Dec 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... * Affected Area...In Iowa, Pottawattamie, Mills, Montgomery, Fremont and Page. In Nebraska, Butler, Saunders, Douglas, Sarpy, Seward, Lancaster, Cass, Otoe, Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson. * Winds...Southwest 30 to 40 mph with gusts up to 70 mph. * Relative Humidity...dropping to the 15 to 25 percent range. * Impacts...Any fires that ignite will spread rapidly and exhibit extreme behavior. Outdoor burning is not recommended. If fires develop, be prepared for a wind shift from the south to the southwest and then to the west. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected. The combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$ Petersen
255 WWUS83 KOAX 151821 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 1221 PM CST Wed Dec 15 2021 ...Dangerous Fire Weather Conditions Expected Wednesday... IAZ069-079-080-090-091-NEZ050>053-065>068-078-088>093-160230- /O.CON.KOAX.FW.W.0010.000000T0000Z-211216T0300Z/ Pottawattamie-Mills-Montgomery-Fremont-Page-Butler-Saunders- Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage- Johnson-Nemaha-Pawnee-Richardson- 1221 PM CST Wed Dec 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... * Affected Area...In Iowa, Pottawattamie, Mills, Montgomery, Fremont and Page. In Nebraska, Butler, Saunders, Douglas, Sarpy, Seward, Lancaster, Cass, Otoe, Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson. * Winds...Southwest 30 to 40 mph with gusts up to 70 mph. * Relative Humidity...dropping to the 15 to 25 percent range. * Impacts...Any fires that ignite will spread rapidly and exhibit extreme behavior. Outdoor burning is not recommended. If fires develop, be prepared for a wind shift from the south to the southwest and then to the west. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected. The combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
015 WWUS83 KOAX 160025 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 625 PM CST Wed Dec 15 2021 IAZ069-079-080-090-091-NEZ050>053-065>068-078-088>093-160130- /O.CAN.KOAX.FW.W.0010.000000T0000Z-211216T0300Z/ Pottawattamie-Mills-Montgomery-Fremont-Page-Butler-Saunders- Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage- Johnson-Nemaha-Pawnee-Richardson- 625 PM CST Wed Dec 15 2021 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY... The National Weather Service in Omaha/Valley has cancelled the Red Flag Warning. Cooler air has started to move in, so relative humidities have increased. Winds will still remain pretty strong through the evening, so if any fires start then could spread quickly. There have been some fires in parts of central Kansas, but the threat in our area has decreased compared to earlier today. $$
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 14, 2:20 AM CST | High Wind Warning | OAX | Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more | 44 hr |
| Dec 14, 2:26 AM CST | Fire Weather Watch | OAX | Butler, Cass, Douglas, Gage, Jefferson, Johnson and 9 more | 12 hr |
Nearby
Red Flag Warnings in Nebraska, 2021Red Flag Warnings in Iowa, 2021Every red flag warning in 2021
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.