Alert archive / Nebraska / Tornado Warnings in 2010
Tornado Warning 39, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jul 4, 2010, 5:41 PM MDT for Banner County, Cheyenne County, Kimball County, Nebraska. It was in force for 49 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 4, 2010, 5:41 PM MDT (23:41 UTC)
- Expired
- Jul 4, 2010, 6:30 PM MDT
- In force
- 49 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
Counties Banner County, NE, Cheyenne County, NE, Kimball County, NE
The radar
The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 23:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 4, 12:39 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 166 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
- 269 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
011
WFUS55 KCYS 042341
TORCYS
NEC007-033-105-050030-
/O.NEW.KCYS.TO.W.0039.100704T2341Z-100705T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
541 PM MDT SUN JUL 4 2010
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN BANNER COUNTY IN THE PANHANDLE OF NEBRASKA...
NORTHWESTERN CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA...
NORTHEASTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA...
* UNTIL 630 PM MDT
* AT 536 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 6 MILES NORTHWEST OF BENNETT RESERVOIR...OR 7
MILES NORTH OF KIMBALL...AND MOVING EAST AT 20 MPH.
AT 509 PM A TORNADO WAS REPORTED 7 MILES NORTH OF BUSHNELL. IN
ADDITION AT 531 PM...GOLFBALL SIZED HAIL WAS REPORTED 9 MILES
NORTHEAST OF BUSHNELL WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHEASTERN KIMBALL...NORTHWESTERN CHEYENNE
AND SOUTHEASTERN BANNER COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4128 10375 4140 10374 4144 10333 4143 10331
4126 10331
TIME...MOT...LOC 2339Z 270DEG 19KT 4133 10364
$$
MAZUR2 follow-up statements
984
WWUS55 KCYS 050001
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
601 PM MDT SUN JUL 4 2010
NEC007-033-105-050030-
/O.CON.KCYS.TO.W.0039.000000T0000Z-100705T0030Z/
BANNER NE-CHEYENNE NE-KIMBALL NE-
601 PM MDT SUN JUL 4 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN KIMBALL...
NORTHWESTERN CHEYENNE AND SOUTHEASTERN BANNER COUNTIES UNTIL 630 PM
MDT...
AT 558 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 6 MILES NORTHEAST OF BENNETT RESERVOIR...OR 8 MILES
NORTHEAST OF KIMBALL...MOVING EAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EXTREME WESTERN CHEYENNE...NORTHEASTERN
KIMBALL AND SOUTHEASTERN BANNER COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN CHEYENNE.
&&
LAT...LON 4128 10362 4139 10362 4144 10334 4143 10331
4126 10331
TIME...MOT...LOC 0001Z 270DEG 19KT 4132 10352
$$
MAZUR279
WWUS55 KCYS 050025
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
625 PM MDT SUN JUL 4 2010
NEC007-033-105-050035-
/O.EXP.KCYS.TO.W.0039.000000T0000Z-100705T0030Z/
BANNER NE-CHEYENNE NE-KIMBALL NE-
625 PM MDT SUN JUL 4 2010
...THE TORNADO WARNING FOR NORTHEASTERN KIMBALL...NORTHWESTERN
CHEYENNE AND SOUTHEASTERN BANNER COUNTIES IS BEING REISSUED...
PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN CHEYENNE.
LAT...LON 4128 10362 4139 10362 4144 10334 4143 10331
4126 10331
TIME...MOT...LOC 0025Z 270DEG 19KT 4132 10335
$$
MAZURThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 6:42 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 45 min |
| Jul 4, 2:56 PM MDT | Tornado Warning | CYS | Scotts Bluff, Sioux | 36 min |
| Jul 4, 4:32 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 33 min |
| Jul 4, 5:01 PM MDT | Tornado Warning | CYS | Banner, Kimball | 44 min |
| Jul 4, 5:55 PM MDT | Tornado Warning | CYS | Kimball | 50 min |
Nearby
Tornado Warnings in Nebraska, 2010Every tornado warning in 2010Tornadoes in 2010
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.