Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 38, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 19, 1997, 1:45 PM MDT for Banner County, Nebraska. It was in force for 50 min. 1 report 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
- Jun 19, 1997, 1:45 PM MDT (19:45 UTC)
- Expired
- Jun 19, 1997, 2:35 PM MDT
- In force
- 50 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Banner County, NE
The radar
The Cheyenne radar (KCYS), 101 km from the middle of the area, began a volume at 19:46 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 19, 2:11 PM MDT | Hail 0.75 | Harrisburg, 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, 7.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2563 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 100 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 191945 RRA SVRCYS NEC007-192035- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 145 PM MDT THU JUN 19 1997 * SEVERE THUNDERSTORM WARNING FOR CENTRAL BANNER COUNTY IN WESTERN NEBRASKA PANHANDLE * UNTIL 235 PM MDT * SOME AFFECTED LOCATIONS INCLUDE HARRISBURG * AT 145 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES WEST OF HARRISBURG. THIS STORM WAS MOVING EAST AT 20 MPH. HAIL IN EXCESS OF 3/4 OF AN INCH IS LIKELY WITH THIS STORM. THIS IS A DANGEROUS STORM. DO NOT GO OUTDOORS. DMM
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, Jun 19, 9:49 AM MDT, 3 hours 56 minutes before
WYZ059>070-NEZ001>003-019>021-054-055-200000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 0950 AM MDT THU JUN 19 1997 THE SEVERE WEATHER POTENTIAL IN THE CHEYENNE NWS COUNTY WARNING AREA IS MEDIUM TODAY...ESPECIALLY IN THE NEBRASKA PANHANDLE. SPOTTER ACTIVATION MAY BE REQUESTED...MAINLY IN THE PANHANDLE. DISCUSSION...DRYER AIR HAS MOVED INTO SOUTHEAST WYOMING BUT SOIL MOISTURE FROM YESTERDAY ALONG WITH A COLD FRONT WILL ACT TO ,TRIGGER THUNDERSTORMS THIS AFTERNOON AND EVENING. A FEW OF THESE STORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...AND HEAVY RAIN. THE BEST CHANCE FOR SEVERE STORMS WILL BE IN THE NEBRASKA PANHANDLE. WCJIN-WYSE-WYNE JLA/LRE
Special weather statement, Jun 19, 9:50 AM MDT, 3 hours 55 minutes before
WYZ059>070-NEZ001>003-019>021-054-055-200000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 0950 AM MDT THU JUN 19 1997 THE SEVERE WEATHER POTENTIAL IN THE CHEYENNE NWS COUNTY WARNING AREA IS MEDIUM TODAY...ESPECIALLY IN THE NEBRASKA PANHANDLE. SPOTTER ACTIVATION MAY BE REQUESTED...MAINLY IN THE PANHANDLE. DISCUSSION...DRYER AIR HAS MOVED INTO SOUTHEAST WYOMING BUT SOIL MOISTURE FROM YESTERDAY ALONG WITH A COLD FRONT WILL ACT TO TRIGGER THUNDERSTORMS THIS AFTERNOON AND EVENING. A FEW OF THESE STORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...AND HEAVY RAIN. THE BEST CHANCE FOR SEVERE STORMS WILL BE IN THE NEBRASKA PANHANDLE. WCJIN-WYSE-WYNE JLA/LRE
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Banner | 35 min |
| Jun 19, 3:24 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 46 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.