Alert archive / Nebraska / Tornado Warnings in 2008
Tornado Warning 29, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jul 22, 2008, 9:07 PM MDT for Banner County, Nebraska. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2008, 9:07 PM MDT (03:07 UTC)
- Expired
- Jul 22, 2008, 9:30 PM MDT
- In force
- 23 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
County Banner County, NE
The radar
The Cheyenne radar (KCYS), 97 km from the middle of the area, began a volume at 03:09 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
Denver, CO (KDNR), launched 00:00Z, 3.1 hours before the alert went out and 197 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
- 3845 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- -60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS55 KCYS 230307 TORCYS NEC007-230330- /O.NEW.KCYS.TO.W.0029.080723T0307Z-080723T0330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 907 PM MDT TUE JUL 22 2008 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * TORNADO WARNING FOR... WESTERN BANNER COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 930 PM MDT * AT 905 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HARRISBURG...OR 24 MILES SOUTHWEST OF SCOTTSBLUFF...MOVING NORTHEAST AT 13 MPH. * THE TORNADO WILL BE NEAR... HARRISBURG BY 930 PM... MOVE INTO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4169 10375 4154 10362 4143 10389 4159 10401 TIME...MOT...LOC 0307Z 241DEG 11KT 4155 10384 $$ DAUGHERTY
2 follow-up statements
000 WWUS55 KCYS 230318 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 918 PM MDT TUE JUL 22 2008 NEC007-230330- /O.CON.KCYS.TO.W.0029.000000T0000Z-080723T0330Z/ BANNER NE- 917 PM MDT TUE JUL 22 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM MDT FOR WESTERN BANNER COUNTY... AT 913 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR HARRISBURG...OR 22 MILES SOUTH OF SCOTTSBLUFF...MOVING NORTHEAST AT 14 MPH. THE POSSIBLE TORNADO WILL BE NEAR... HARRISBURG BY 925 PM... REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4169 10375 4154 10362 4143 10389 4159 10401 TIME...MOT...LOC 0317Z 226DEG 12KT 4157 10381 $$ DAUGHERTY
000 WWUS55 KCYS 230334 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 934 PM MDT TUE JUL 22 2008 NEC007-230342- /O.EXP.KCYS.TO.W.0029.000000T0000Z-080723T0330Z/ BANNER NE- 932 PM MDT TUE JUL 22 2008 ...THE TORNADO WARNING FOR WESTERN BANNER COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING NO LONGER HAS A TORNADIC SIGNATURE ON RADAR AND NO REPORTS OF A TORNADO HAVE BEEN RECEIVED...THEREFORE THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4169 10375 4154 10362 4143 10389 4159 10401 TIME...MOT...LOC 0318Z 226DEG 12KT 4157 10381 $$ DAUGHERTY
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:24 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 51 min |
| Jul 22, 7:35 PM MDT | Flash Flood Warning | CYS | Morrill | 4 hr |
| Jul 22, 8:40 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Scotts Bluff | 50 min |
| Jul 22, 9:27 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Morrill | 29 min |
| Jul 23, 5:22 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 38 min |
| Jul 23, 5:59 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 33 min |
Nearby
Tornado Warnings in Nebraska, 2008Every tornado warning in 2008Tornadoes in 2008
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.