Alert archive / Nebraska / Tornado Warnings in 2009
Tornado Warning 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 5, 2009, 5:40 PM MDT for Banner County, Nebraska. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 5, 2009, 5:40 PM MDT (23:40 UTC)
- Expired
- Jun 5, 2009, 6:15 PM MDT
- In force
- 35 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
County Banner County, NE
The radar
The Cheyenne radar (KCYS), 112 km from the middle of the area, began a volume at 23:42 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 |
|---|---|---|---|
| Jun 5, 5:50 PM MDT | FUNNEL CLOUD | 4 E Harrisburg, NE | ESTIMATED LOCATION OF TWO FUNNEL CLOUDS OBSERVED AT 550 PM MDT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 5, 2:48 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 191 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
- 997 J/kg
- Mixed-layer CIN
- -190 J/kg
- Mixed-layer LCL
- 1029 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS55 KCYS 052340 TORCYS NEC007-060015- /O.NEW.KCYS.TO.W.0007.090605T2340Z-090606T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 540 PM MDT FRI JUN 5 2009 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL BANNER COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 615 PM MDT * AT 540 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HARRISBURG...OR 22 MILES NORTH OF KIMBALL... AND MOVING EAST AT 5 MPH. * THIS TORNADIC STORM WILL BE NEAR... BIGHORN MOUNTAIN PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4167 10341 4140 10343 4146 10386 4164 10384 TIME...MOT...LOC 2340Z 274DEG 6KT 4155 10373 $$ SJC
3 follow-up statements
000 WWUS55 KCYS 052346 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 546 PM MDT FRI JUN 5 2009 NEC007-060015- /O.CON.KCYS.TO.W.0007.000000T0000Z-090606T0015Z/ BANNER NE- 546 PM MDT FRI JUN 5 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR EASTERN BANNER COUNTY... AT 543 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A DANGEROUS THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR HARRISBURG...OR 22 MILES SOUTH OF SCOTTSBLUFF...MOVING EAST-SOUTHEAST AT 5 MPH. THIS STORM IS ALSO LIKELY PRODUCING ONE-INCH HAIL...AND DAMAGING WIND GUSTS TO 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4153 10383 4164 10377 4167 10341 4140 10343 TIME...MOT...LOC 2344Z 274DEG 6KT 4155 10372 $$ SJC
000 WWUS55 KCYS 060002 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 602 PM MDT FRI JUN 5 2009 NEC007-060015- /O.CON.KCYS.TO.W.0007.000000T0000Z-090606T0015Z/ BANNER NE- 602 PM MDT FRI JUN 5 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR EASTERN BANNER COUNTY... AT 601 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A DANGEROUS THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR BIGHORN MOUNTAIN...OR 21 MILES NORTH OF KIMBALL...MOVING EAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... BIGHORN MOUNTAIN AND HUBBARD GAP. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 4150 10373 4163 10366 4167 10341 4140 10343 TIME...MOT...LOC 0002Z 274DEG 15KT 4154 10362 $$ SJC
000 WWUS55 KCYS 060014 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 614 PM MDT FRI JUN 5 2009 NEC007-060024- /O.EXP.KCYS.TO.W.0007.000000T0000Z-090606T0015Z/ BANNER NE- 614 PM MDT FRI JUN 5 2009 ...THE TORNADO WARNING FOR EASTERN BANNER COUNTY EXPIRES AT 615 PM MDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER APPEARED TO BE SEVERE. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT. LAT...LON 4150 10373 4163 10366 4167 10341 4140 10343 TIME...MOT...LOC 0014Z 274DEG 15KT 4154 10355 $$ SJC
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 4:38 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes | 52 min |
| Jun 5, 4:42 PM MDT | Tornado Warning | CYS | Banner | 21 min |
| Jun 5, 4:55 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 65 min |
Nearby
Tornado Warnings in Nebraska, 2009Every tornado warning in 2009Tornadoes in 2009
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.