Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 71, NWS Cheyenne, WY

June 13, 1998Box Butte County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 13, 1998, 3:17 PM MDT for Box Butte County, Nebraska. It was in force for 48 min. 2 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
Jun 13, 1998, 3:17 PM MDT (21:17 UTC)
Expired
Jun 13, 1998, 4:05 PM MDT
In force
48 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Box Butte County, NE

What was reported inside it

TimeReportWhereRemark
Jun 13, 3:22 PM MDTHail 0.75Hemingford, NE
Jun 13, 3:32 PM MDTHail 0.75Hemingford, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 13, 2:30 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 9.3 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.

Skew-T log-pSkew-T log-p diagram, Rapid City, SD at 12:00Z on 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
117 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
2129 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

510 
WUUS1 KCYS 132116 RRA
SVRCYS
NEC013-132205-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
317 PM MDT SAT JUN 13 1998

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BOX BUTTE COUNTY IN THE NEBRASKA PANHANDLE

* UNTIL 405 PM MDT

* AT 313 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 20 MILES NORTHWEST OF HEMINGFORD...MOVING EAST
  AT 5 MPH.  A SECOND SEVERE STORM WAS LOCATED 15 MILES EAST OF
  HEMINGFORD AND WAS STATIONARY.

* THE SEVERE THUNDERSTORMS 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, 5 hours 27 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, 5 hours 27 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, 45 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, 45 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.

IssuedProductOfficeCountiesLasted
Jun 13, 2:00 PM MDTSevere Thunderstorm WarningCYSScotts Bluff50 min
Jun 13, 2:37 PM MDTSevere Thunderstorm WarningCYSCheyenne48 min
Jun 13, 3:00 PM MDTTornado WarningCYSSioux35 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.