Alert archive / Nebraska / Tornado Warnings in 2008
Tornado Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Apr 23, 2008, 5:34 PM MDT for Morrill County, Nebraska. It was in force for 26 min. 3 reports 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
- Apr 23, 2008, 5:34 PM MDT (23:34 UTC)
- Expired
- Apr 23, 2008, 6:00 PM MDT
- In force
- 26 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
County Morrill County, NE
The radar
The Cheyenne radar (KCYS), 170 km from the middle of the area, began a volume at 23:36 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 |
|---|---|---|---|
| Apr 23, 5:52 PM MDT | HAIL 0.75 | 7 S Bridgeport, NE | |
| Apr 23, 5:52 PM MDT | TORNADO | 7 S Bridgeport, NE | MARBLE HAIL AND SOME TORBADO DAMAGE. |
| Apr 23, 6:00 PM MDT | TORNADO | 6 S Bridgeport, NE | IN OPEN FIELD NO DAMAGE ABOUT 2 MILES FROM HOUSE. |
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 |
|---|---|---|---|
| Jan 7, 12:52 PM MST | Tornado Watch | SPC | 146 days |
| Apr 23, 1:25 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.6 hours before the alert went out and 203 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
- 1459 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 245 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 232335 TORCYS NEC123-240000- /O.NEW.KCYS.TO.W.0003.080423T2334Z-080424T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 534 PM MDT WED APR 23 2008 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * TORNADO WARNING FOR... EASTERN MORRILL COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 600 PM MDT * AT 531 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ABOUT 6 MILES SOUTHEAST OF BRIDGEPORT...OR NEAR MUD SPRINGS...OR 29 MILES NORTH OF SIDNEY...MOVING NORTH AT 30 MPH. * THE TORNADO WILL BE NEAR... BOX LAKE AND PETERSON LAKE BY 600 PM... MOVE INTO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES. THIS IS A DANGEROUS STORM ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO THE LOWEST FLOOR OF A STURDY BUILDING. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4187 10298 4188 10270 4147 10272 4147 10315 TIME...MOT...LOC 2334Z 202DEG 26KT 4157 10303 $$ JLH
2 follow-up statements
000 WWUS55 KCYS 232352 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 551 PM MDT WED APR 23 2008 NEC123-240000- /O.CON.KCYS.TO.W.0003.000000T0000Z-080424T0000Z/ MORRILL NE- 551 PM MDT WED APR 23 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR EASTERN MORRILL COUNTY... AT 549 PM MDT...THE PUBLIC REPORTED TWO BRIEF TORNADO TOUCH DOWNS ABOUT 5 TO 10 MILES SOUTHEAST OF BRIDGEPORT. THE THUNDERSTORM PRODUCING THE TORNADO WAS LOCATED 8 MILES NORTHWEST OF BROADWATER...OR 30 MILES SOUTH OF ALLIANCE...MOVING NORTH AT 30 MPH. THE TORNADO WILL BE NEAR... BOX LAKE AND PETERSON LAKE BY 600 PM... MOVE INTO A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES. IN ADDITION TO THE THREAT OF A TORNADO...DAMAGING HAIL AND WIND CAN BE EXPECTED. GO TO A SAFE PLACE NOW A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM WEDNESDAY EVENING FOR CENTRAL NEBRASKA. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4187 10298 4188 10270 4147 10272 4147 10315 TIME...MOT...LOC 2351Z 202DEG 26KT 4168 10297 $$ JLH
000 WWUS55 KCYS 232359 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 559 PM MDT WED APR 23 2008 NEC123-240009- /O.EXP.KCYS.TO.W.0003.000000T0000Z-080424T0000Z/ MORRILL NE- 559 PM MDT WED APR 23 2008 ...THE TORNADO WARNING FOR EASTERN MORRILL COUNTY WILL EXPIRE AT 600 PM MDT... ALTHOUGH THE WARNING WILL BE ALLOWED TO EXPIRE...A NEW TORNADO WARNING WILL BE ISSUED REPLACING THE ORIGINAL TORNADO WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM WEDNESDAY EVENING FOR CENTRAL NEBRASKA. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4187 10298 4188 10270 4147 10272 4147 10315 TIME...MOT...LOC 2359Z 202DEG 26KT 4173 10294 $$ JLH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 4:56 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.