Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 15, 1996, 8:32 PM MDT for Morrill County, Nebraska. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 15, 1996, 8:32 PM MDT (02:32 UTC)
- Expired
- May 15, 1996, 8:45 PM MDT
- In force
- 13 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Morrill County, NE
The radar
The Cheyenne radar (KCYS), 162 km from the middle of the area, began a volume at 02:34 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 nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 2.5 hours before the alert went out and 206 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
- 159 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 3882 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCYS 160234 SVRCYS NEC123-160245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 832 PM MDT WED MAY 15 1996 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN THE NEBRASKA PANHANDLE ...EAST CENTRAL MORRILL COUNTY AT 830 PM...DOPPLER RADAR AT CHEYENNE INDICATED A SEVERE THUNDERSTORM 18 MILES EAST OF BRIDGEPORT IN MORRILL COUNTY NEBRASKA. THE STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR. IT WILL ENTER GARDEN COUNTY NEBRASKA SHORTLY BY 845 PM. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! PAL
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, May 15, 4:17 PM MDT, 4 hours 15 minutes before
NEZ019-020-021-152315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 415 PM MDT WED MAY 15 1996 ...SHOWERS AND THUNDERSTORMS ARE MOVING ACROSS THE NEBRASKA PANHANDLE... SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVLOPED AGAIN THIS AFTERNOON IN THE WESTERN NEBRASKA PANHANDLE. THESE STORMS WERE MOVING NORTHEAST AROUND 35 MILES AN HOUR. THE STRONGEST WERE IN CENTRAL AND NORTHERN BANNER COUNTY...BETWEEN HARRISBURG AND THE SCOTTS BLUFF COUNTY LINE. THEY SHOULD MOVE INTO WESTERN MORRILL COUNTY BY 430 PM MDT. SMALL HAIL ALONG WITH BRIEF STRONG GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE STORMS. TAKE SHELTER IN DOORS IF A STORM APPROACHES. CGB
Special weather statement, May 15, 4:36 PM MDT, 3 hours 56 minutes before
NEZ001-002-003-152330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 434 PM MDT WED MAY 15 1996 A LINE OF THUNDERSTORMS HAS INTENSIFIED OVER WEST CENTRAL BANNER COUNTY NEBRASKA TO SOUTHWEST SIOUX COUNTY NEBRASKA AT 430 PM. STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. ONE STORM WILL PASS OVER CRAWFORD AROUND 440 PM AND REACH THE CITY OF CHADRON BETWEEN 5 TO 515 PM. SMALL HAIL ALONG WITH STRONG BUT BRIEF GUSTY WINDS TO 4<0 MILES AN HOUR AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE STORMS. TAKE SHELTER IN DOORS WHEN A STORM APPROACHES. PAL
Special weather statement, May 15, 6:29 PM MDT, 2 hours 3 minutes before
WYZ068-NEZ001-002-003-019-021-055-160130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 626 PM MDT WED MAY 15 1996 DOPPLER RADAR AT CHEYENNE INDICATED THE DEVELOPMENT OF A LINE OF THUNDERSTORMS FROM NORTHWEST DAWES COUNTY SOUTH SOUTHWEST THROUGH SIOUX COUNTY INTO WESTERN SCOTTS BLUFF COUNTY NEBRASKA AND CONTINUING SOUTHWEST INTO SOUTHERN GOSHEN COUNTY WYOMING. THE LINE OF STORMS WAS MOVING EAST NORTHEAST AT 25 MILES AN HOUR. SMALL HAIL...BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS CAN BE EXPECTED FORM THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR DAWES... BOX BUTTE...MORRILL AND CHEYENNE COUNTIES OF NEBRASKA UNTIL 11 PM THIS EVENING. PAL
Special weather statement, May 15, 8:16 PM MDT, 16 minutes before
NEZ001-002-003-019-020-021-055-160330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 815 PM MDT WED MAY 15 1996 AT 815 PM DOPPLER RADAR SHOWED AN AREA OF THUNDERSTORMS IN NORTHERN MORRILL COUNTY WHICH WAS INTENSIFYING. THE STRONGEST STORM WAS JUST EAST OF ANGORA AND WAS MOVING EAST SOUTHEAST AT 20 MPH. THERE WERE NO TOWNS IN THE PATH OF THIS STORM WHICH WAS LIKELY PRODUCING PEA TO MARBLE SIZE HAIL...HEAVY RAIN AND STRONG WINDS. MORE STORMS COULD DEVELOP OR MOVE INTO THE NEBRASKA PANHANDLE BEFORE THE EVENING IS OVER. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR DAWES...BOX BUTTE ...MORRILL AND CHEYENNE COUNTIES OF NEBRASKA UNTIL 11 PM THIS EVENING. HARRISONT
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 6:58 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 62 min |
| May 16, 5:59 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 61 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1996Every severe thunderstorm warning in 1996
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.