Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 105, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 19, 1997, 4:42 PM MDT for Kimball County, Nebraska. It was in force for 48 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 19, 1997, 4:42 PM MDT (22:42 UTC)
- Expired
- Aug 19, 1997, 5:30 PM MDT
- In force
- 48 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Kimball County, NE
The radar
The Cheyenne radar (KCYS), 91 km from the middle of the area, began a volume at 22:45 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 19, 4:45 PM MDT | Hail 0.75 | Kimball, NE | |
| Aug 19, 4:50 PM MDT | Hail 0.75 | Kimball, NE | |
| Aug 19, 4:55 PM MDT | Hail 0.75 | Dix, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.7 hours before the alert went out and 153 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
- 30 J/kg
- Mixed-layer CIN
- -287 J/kg
- Mixed-layer LCL
- 2473 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCYS 192242 RRA SVRCYS NEC105-192330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 442 PM MDT TUE AUG 19 1997 * SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KIMBALL COUNTY IN WESTERN NEBRASKA PANHANDLE * UNTIL 530 PM MDT * THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS. * AT 438 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 6 MILES NORTHWEST OF KIMBALL. THE STORM WAS MOVING TO THE EAST AT 25 MPH. SOFT GOLFBALL SIZED HAIL WAS REPORTED WITH THE STORM 10 MILES NORTHWEST OF KIMBALL AT 425 PM. THIS STORM IS EXPECTED TO REMAIN TO THE NORTH OF KIMBALL AND DIX. IF YOU ARE DRIVING AND ENCOUNTER HEAVY RAIN OR HAIL...SLOW DOWN OR PULL TO THE SIDE OF THE ROAD UNTIL THE STORM PASSES. & WEILAND
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 19, 4:20 PM MDT, 22 minutes before
NEZ020-054-055-192330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 420 PM MDT TUE AUG 19 1997 ...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE LATE THIS AFTERNOON... AT 415 PM...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE. AT THAT TIME THE STORMS WERE CENTERED 12 MILES NORTHWEST OF KIMBALL...10 MILES SOUTHEAST OF KIMBALL AND 8 MILES TO THE SOUTHWEST. THE STORM NORTHWEST OF KIMBALL WAS MOVING EAST AT 20 MPH WHILE THE OTHER STORMS WERE MOVING SOUTHEAST AT 25 MPH. THESE INTENSE THUNDERSTORMS WERE LIKELY PRODUCING HEAVY RAINFALL... WIND GUSTS TO 40 MPH AND HAIL UP TO ONE HALF INCH IN DIAMETER. THE STRONGEST STORM WAS THE ONE NORTHWEST OF KIMBALL. THE THUNDERSTORMS WILL CONTINUE IN THE SOUTHERN NEBRASKA PANHANDLE THROUGH 600 PM. IF A STORM APPROACHES YOUR AREA...MOVE TO A SAFE INDOOR SHELTER. WEILAND
Special weather statement, Aug 19, 4:22 PM MDT, 20 minutes before
NEZ020-054-055-192330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 420 PM MDT TUE AUG 19 1997 ...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE LATE THIS AFTERNOON... AT 415 PM...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE. AT THAT TIME THE STORMS WERE CENTERED 12 MILES NORTHWEST OF KIMBALL...10 MILES SOUTHEAST OF KIMBALL AND 8 MILES TO THE SOUTHWEST. THE STORM NORTHWEST OF KIMBALL WAS MOVING EAST AT 20 MPH WHILE THE OTHER STORMS WERE MOVING SOUTHEAST AT 25 MPH. THESE INTENSE THUNDERSTORMS WERE LIKELY PRODUCING HEAVY RAINFALL... WIND GUSTS TO 40 MPH AND HAIL UP TO ONE HALF INCH IN DIAMETER. THE STRONGEST STORM WAS TzHE ONE NORTHWEST OF KIMBALL. THE THUNDERSTORMS WILL CONTINUE IN THE SOUTHERN NEBRASKA PANHANDLE THROUGH 600 PM. IF A STORM APPROACHES YOUR AREA...MOVE TO A SAFE INDOOR SHELTER. WEILAND
Special weather statement, Aug 19, 4:25 PM MDT, 17 minutes before
NEZ020-054-055-192330- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 425 PM MDT TUE AUG 19 1997 ...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE LATE THIS AFTERNOON... AT 415 PM...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE. AT THAT TIME THE STORMS WERE CENTERED 12 MILES NORTHWEST OF KIMBALL...10 MILES SOUTHEAST OF KIMBALL AND 8 MILES TO THE SOUTHWEST OF SIDNEY. THE STORM NORTHWEST OF KIMBALL WAS MOVING EAST AT 20 MPH...WHILE THE OTHER STORMS WERE MOVING SOUTHEAST AT 25 MPH. THESE INTENSE THUNDERSTORMS WERE LIKELY PRODUCING HEAVY RAINFALL... WIND GUSTS TO 40 MPH AND HAIL UP TO ONE HALF INCH IN DIAMETER. THE STRONGEST STORM WAS THE ONE NORTHWEST OF KIMBALL. THE THUNDERSTORMS WILL CONTINUE IN THE SOUTHERN NEBRASKA PANHANDLE THROUGH 600 PM. IF A STORM APPROACHES YOUR AREA...MOVE TO A SAFE INDOOR SHELTER. CORRECTED FOR LOCATION OF THUNDERSTORMS. WEILAND
Special weather statement, Aug 19, 4:27 PM MDT, 15 minutes before
NEZ020-054-055-192330- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 425 PM MDT TUE AUG 19 1997 ...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE LATE THIS AFTERNOON... AT 415 PM...INTENSE THUNDERSTORMS WERE LOCATED IN THE SOUTHERN NEBRASKA PANHANDLE. AT THAT TIME THE STORMS WERE CENTERED 12 MILES NORTHWEST OF KIMBALL...10 MILES SOUTHEAST OF KIMBALL AND 8 MILES TO THE SOUTHWEST OF SIDNEY. THE STORM NORTHWEST OF KIMBALL WAS MOVING EAST AT 20 MPH...WHILE THE OTHER STORMS WERE MOVING SOUTHEAST AT 25 MPH. THESE INTENSE THUNDERSTORMS WERE LIKELY PRODUCING HEAVY RAINFALL... WIND GUSTS TO 40 MPH AND HAIL UP TO ONE HALF INCH IN DIAMETER. THE STRONGEST STORM WAS THE ONE NORTHWEST OF KIMBALL. THE THUNDERSTORMS WILL CONTINUE IN THE SOUTHERN NEBRASKA PANHANDLE THROUGH 600 PM. IF A STORM APPROACHES YOUR AREA...MOVE TO A SAFE INDOOR SHELTER. CORRECTED FOR LOCATION OF THUNDERSTORMS. WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:51 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 34 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.