Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 70, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 13, 1998, 2:37 PM MDT for Cheyenne County, Nebraska. It was in force for 48 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 13, 1998, 2:37 PM MDT (20:37 UTC)
- Expired
- Jun 13, 1998, 3:25 PM MDT
- In force
- 48 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Cheyenne County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 2:47 PM MDT | Tornado F0 | Sidney, NE | A brief tornado touched down 30 miles west of Sidney. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 13, 2:30 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.6 hours before the alert went out and 151 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
- 2464 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
186 WUUS1 KCYS 132036 RRA SVRCYS NEC033-132125- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 237 PM MDT SAT JUN 13 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN AND CENTRAL CHEYENNE COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 325 PM MDT * AT 233 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES SOUTHWEST OF SIDNEY...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER OPEN COUNTRY GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. ROBINSON
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 13, 9:50 AM MDT, 4 hours 47 minutes before
WYZ061>070-NEZ001>003-019>021-054-055-140000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 950 AM MDT SAT JUN 13 1998 THE RISK OF SEVERE WEATHER OVER SOUTHEAST WYOMING IS LOW THIS AFTERNOON AND HIGH IN THE WESTERN NEBRASKA PANHANDLE. SPOTTER ACTIVATION WILL LIKELY BE REQUIRED ESPECIALLY FROM CHADRON TO SIDNEY. DISCUSSION...THUNDERSTORMS WILL BE NUMEROUS OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THIS AFTERNOON. THE AIRMASS WILL BE MOIST AND UNSTABLE AHEAD OF AN AREA OF LOW PRESSURE WHICH WILL MOVE FROM NORTHWEST COLORADO TO NORTHWEST NEBRASKA BY THE EARLY EVENING. FOR MOST OF SOUTHEAST WYOMING...THE THUNDERSTORMS WILL PRODUCE WIND GUSTS TO NEAR 60 MPH AND ONLY LIGHT RAIN. HOWEVER...FROM THE WYOMING AND NEBRASKA BORDER AND THROUGH THE WESTERN NEBRASKA PANHANDLE...THE STORMS WILL BE STRONG STARTING EARLY IN THE AFTERNOON. IN THE AREA FROM CHADRON TO SIDNEY...LARGE HAIL...STRONG WIND GUSTS ARE A GOOD POSSIBILITY WITH THE THUNDERSTORMS. WCJIN-WYSE-WYNE- WEILAND
Special weather statement, Jun 13, 9:50 AM MDT, 4 hours 47 minutes before
WYZ061>070-NEZ001>003-019>021-054-055-140000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 950 AM MDT SAT JUN 13 1998 THE RISK OF SEVERE WEATHER OVER SOUTHEAST WYOMING IS LOW THIS AFTERNOON AND HIGH IN THE WESTERN NEBRASKA PANHANDLE. SPOTTER ACTIVATION WILL LIKELY BE REQUIRED ESPECIALLY FROM CHADRON TO SIDNEY. DISCUSSION...THUNDERSTORMS WILL BE NUMEROUS OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THIS AFTERNOON. THE AIRMASS WILL BE MOIST AND UNSTABLE AHEAD OF AN AREA OF LOW PRESSURE WHICH WILL MOVE FROM NORTHWEST COLORADO TO NORTHWEST NEBRASKA BY THE EARLY EVENING. FOR MOST OF SOUTHEAST WYOMING...THE THUNDERSTORMS WILL PRODUCE WIND GUSTS TO NEAR 60 MPH AND ONLY LIGHT RAIN. HOWEVER...FROM THE WYOMING AND NEBRASKA BORDER AND THROUGH THE WESTERN NEBRASKA PANHANDLE...THE STORMS WILL BE STRONG STARTING EARLY IN THE AFTERNOON. IN THE AREA FROM CHADRON TO SIDNEY...LARGE HAIL...STRONG WIND GUSTS ARE A GOOD POSSIBILITY WITH THE THUNDERSTORMS. WCJIN-WYSE-WYNE- WEILAND
Special weather statement, Jun 13, 2:32 PM MDT, 5 minutes before
NEZ001>003-019>021-054-055-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 232 PM MDT SAT JUN 13 1998 ...A TORNADO WATCH HAS BEEN ISSUED FOR THE NEBRASKA PANHANDLE UNTIL 9 PM... THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR THE NEBRASKA PANHANDLE AND INTO CENTRAL NEBRASKA UNTIL 9 PM THIS EVENING. THE WATCH INCLUDES ALL OF THE WESTERN NEBRASKA PANHANDLE. A TORNADO WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THE FORMATION OF SEVERE THUNDERSTORMS AND EVEN TORNADOES IN THE WATCH AREA. AT 225 PM...STRONG OR SEVERE STORMS WERE LOCATED IN SOUTHERN KIMBALL COUNTY...SOUTHWEST CHEYENNE COUNTY...AND WESTERN SCOTTS BLUFF COUNTY. ALL OF THESE STORMS WERE MOVING TO THE NORTHEAST AT 15 MPH. THESE STORMS WILL LIKELY PRODUCE LARGE HAIL...STRONG WIND GUSTS AND EVEN A POSSIBILITY OF TORNADOES. PEOPLE IN THE WESTERN NEBRASKA PANHANDLE SHOULD BE PREPARED FOR SEVERE THUNDERSTORMS. MOVE INDOORS TO A SAFE SHELTER WHEN A STORM NEARS. BE SURE TO LOCATE YOUR PLACE OF SAFETY NOW. WEILAND
Special weather statement, Jun 13, 2:32 PM MDT, 5 minutes before
NEZ001>003-019>021-054-055-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 232 PM MDT SAT JUN 13 1998 ...A TORNADO WATCH HAS BEEN ISSUED FOR THE NEBRASKA PANHANDLE UNTIL 9 PM... THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR THE NEBRASKA PANHANDLE AND INTO CENTRAL NEBRASKA UNTIL 9 PM THIS EVENING. THE WATCH INCLUDES ALL OF THE WESTERN NEBRASKA PANHANDLE. A TORNADO WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THE FORMATION OF SEVERE THUNDERSTORMS AND EVEN TORNADOES IN THE WATCH AREA. AT 225 PM...STRONG OR SEVERE STORMS WERE LOCATED IN SOUTHERN KIMBALL COUNTY...SOUTHWEST CHEYENNE COUNTY...AND WESTERN SCOTTS BLUFF COUNTY. ALL OF THESE STORMS WERE MOVING TO THE NORTHEAST AT 15 MPH. THESE STORMS WILL LIKELY PRODUCE LARGE HAIL...STRONG WIND GUSTS AND EVEN A POSSIBILITY OF TORNADOES. PEOPLE IN THE WESTERN NEBRASKA PANHANDLE SHOULD BE PREPARED FOR SEVERE THUNDERSTORMS. MOVE INDOORS TO A SAFE SHELTER WHEN A STORM NEARS. BE SURE TO LOCATE YOUR PLACE OF SAFETY NOW. WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 2:00 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 50 min |
| Jun 13, 3:00 PM MDT | Tornado Warning | CYS | Sioux | 35 min |
| Jun 13, 3:17 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 48 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1998Every severe thunderstorm warning in 1998
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.