Alert archive / Nebraska / Tornado Warnings in 2007
Tornado Warning 5, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 17, 2007, 5:15 PM MDT for Cheyenne County, Kimball County, Nebraska. It was in force for 33 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
- Jun 17, 2007, 5:15 PM MDT (23:15 UTC)
- Expired
- Jun 17, 2007, 5:48 PM MDT
- In force
- 33 min
- Issued by
- NWS Cheyenne, WY
- Area
- Counties, with a storm outline in the text
Counties Cheyenne County, NE, Kimball County, NE
The radar
The Cheyenne radar (KCYS), 117 km from the middle of the area, began a volume at 23:14 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 |
|---|---|---|---|
| Jun 17, 3:01 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.3 hours before the alert went out and 154 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
- 7 J/kg
- Mixed-layer CIN
- -411 J/kg
- Mixed-layer LCL
- 3371 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 78 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 172317 TORCYS NEC033-105-172345- /O.NEW.KCYS.TO.W.0005.070617T2315Z-070617T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 515 PM MDT SUN JUN 17 2007 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * TORNADO WARNING FOR... WESTERN CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA... EASTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 545 PM MDT * AT 510 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES NORTH OF POTTER...OR ABOUT 22 MILES NORTHWEST OF SIDNEY...MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM AND POSSIBLE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. MOVE INTO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES. THIS WARNING REPLACES THE PREVIOUSLY ISSUED SEVERE THUNDERSTORM WARNING FOR SOUTHEAST BANNER...EASTERN KIMBALL...SOUTHWEST MORRILL AND NORTHWEST CHEYENNE COUNTIES. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT SUNDAY EVENING FOR CENTRAL NEBRASKA. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4138 10348 4103 10371 4101 10328 4142 10310 $$ WEILAND
2 follow-up statements
000 WWUS55 KCYS 172340 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 538 PM MDT SUN JUN 17 2007 NEC033-105-172345- /O.CON.KCYS.TO.W.0005.000000T0000Z-070617T2345Z/ CHEYENNE NE-KIMBALL NE- 538 PM MDT SUN JUN 17 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTHEASTERN KIMBALL AND WESTERN CHEYENNE COUNTIES... THIS TORNADO WARNING DOES NOT INCLUDE THE CITY OF SIDNEY. AT 535 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED 22 MILES NORTH OF I-80 MM 43...OR ABOUT 25 MILES NORTHWEST OF SIDNEY...MOVING NORTHEAST AT 30 MPH. NO REPORTS OF A TORNADO HAVE BEEN RECEIVED AT THIS TIME. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT SUNDAY EVENING FOR CENTRAL NEBRASKA. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4137 10337 4102 10366 4101 10325 4138 10312 $$ WEILAND
000 WWUS55 KCYS 172348 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 544 PM MDT SUN JUN 17 2007 NEC033-105-172354- /O.CAN.KCYS.TO.W.0005.000000T0000Z-070617T2345Z/ CHEYENNE NE-KIMBALL NE- 544 PM MDT SUN JUN 17 2007 ...THE TORNADO WARNING FOR SOUTHEASTERN KIMBALL AND WESTERN CHEYENNE COUNTIES IS CANCELLED... A LINE OF STRONG THUNDERSTORMS EXTENDED FROM NORTH CENTRAL CHEYENNE TO THE SOUTHEAST CORNER OF KIMBALL COUNTIES AT 543 PM. NO FURTHER INDICATIONS OF A POSSIBLE TORNADO ARE SHOWN ON DOPPLER RADAR...SO THE TORNADO WARNING FOR THAT AREA HAS BEEN CANCELLED. HOWEVER...THE STORMS WILL LIKELY PRODUCE WIND GUSTS TO 55 MPH...HEAVY RAIN...HAIL UP TO ONE HALF INCH IN DIAMETER AND DEADLY LIGHTNING AS THEY MOVE ACROSS THE REMAINDER OF CHEYENNE COUNTY...INCLUDING THE CITY OF SIDNEY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT SUNDAY EVENING FOR CENTRAL NEBRASKA. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4137 10337 4102 10366 4101 10325 4138 10312 $$ WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 20 min |
| Jun 17, 4:57 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Cheyenne, Kimball, Morrill | 26 min |
Nearby
Tornado Warnings in Nebraska, 2007Every tornado warning in 2007Tornadoes in 2007
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.