Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 60, NWS Cheyenne, WY

May 29, 1998Dawes County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at May 29, 1998, 10:54 PM MDT for Dawes County, Nebraska. It was in force for 51 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
May 29, 1998, 10:54 PM MDT (04:54 UTC)
Expired
May 29, 1998, 11:45 PM MDT
In force
51 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Dawes County, NE

The radar

The Rapid City radar (KUDX), 158 km from the middle of the area, began a volume at 04:57 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

TimeReportWhereRemark
May 29, 11:00 PM MDTHail 1Chadron, NEA storm produced quarter size hail at the Chadron State Park.

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
May 29, 9:15 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 4.9 hours before the alert went out and 152 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 00:00Z on 1998-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 556 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 00:00Z on 1998-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939587897Sfc1 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
556 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
1826 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
13.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 29, 8:25 PM MDT, 2 hours 29 minutes before
WYZ068-NEZ001-300400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
825 PM MDT FRI MAY 29 1998

...A LINE OF STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN
GOSHEN COUNTY WYOMING AND SIOUX COUNTY NEBRASKA...

AT 820 PM...DOPPLER WEATHER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF TORRINGTON WYOMING TO
30 MILES WEST OF CHADRON NEBRASKA.  THESE STORMS ARE MOVING
NORTHEAST AT 30 MPH. AT THEIR CURRENT MOVEMENT THESE THUNDERSTORMS
WILL AFFECT FORT ROBINSON AND CRAWFORD BY 850 PM.

THESE STRONG STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...BRIEF
HEAVY RAIN AND WIND GUSTS TO 45 MPH.

PEOPLE IN THE PATH OF THESE STORMS IN EASTERN GOSHEN COUNTY WYOMING
AND SIOUX AND DAWES COUNTY NEBRASKA SHOULD WATCH FOR THE
THUNDERSTORMS AND SEEK SHELTER IN A BUILDING WHEN THEY APPROACH.

WCJIN-WYSE
LRE
Special weather statement, May 29, 8:25 PM MDT, 2 hours 29 minutes before
WYZ068-NEZ001-300400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
825 PM MDT FRI MAY 29 1998

...A LINE OF STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN
GOSHEN COUNTY WYOMING AND SIOUX COUNTY NEBRASKA...

AT 820 PM...DOPPLER WEATHER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF TORRINGTON WYOMING TO
30 MILES WEST OF CHADRON NEBRASKA.  THESE STORMS ARE MOVING
NORTHEAST AT 30 MPH. AT THEIR CURRENT MOVEMENT THESE THUNDERSTORMS
WILL AFFECT FORT ROBINSON AND CRAWFORD BY 850 PM.

THESE STRONG STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...BRIEF
HEAVY RAIN AND WIND GUSTS TO 45 MPH.

PEOPLE IN THE PATH OF THESE STORMS IN EASTERN GOSHEN COUNTY WYOMING
AND SIOUX AND DAWES COUNTY NEBRASKA SHOULD WATCH FOR THE
THUNDERSTORMS AND SEEK SHELTER IN A BUILDING WHEN THEY APPROACH.

WCJIN-WYSE
LRE
Special weather statement, May 29, 9:40 PM MDT, 1 hour 14 minutes before
NEZ001>003-019>021-300900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
940 PM MDT FRI MAY 29 1998

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE NORTHERN
NEBRASKA PANHANDLE UNTIL 3 AM...

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
THE NORTHERN NEBRASKA PANHANDLE UNTIL 3 AM SATURDAY MORNING.  THIS
WATCH INCLUDES THE CITIES OF ALLIANCE...CHADRON...SCOTTSBLUFF AND
GERING.

A WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THE FORMATION
OF SEVERE STORMS.  IN THIS CASE...LARGE HAIL AND STRONG WIND GUSTS ARE
LIKELY WITH ANY STORM IN THE WATCH AREA.

AT 935 PM...STRONG THUNDERSTORMS WERE LOCATED IN SOUTHERN SIOUX COUNTY
AND SOUTHWEST DAWES COUNTY.  A SEVERE THUNDERSTORM WARNING IS IN EFFECT
UNTIL 10 PM FOR SOUTHERN SIOUX COUNTY.  ALL OF THE STORMS WERE MOVING
TO THE NORTHEAST AT 25 MPH.

WITH THE POSSIBILITY OF SEVERE THUNDERSTORMS IN THE NORTHERN NEBRASKA
PANHANDLE THRU 3 AM...PEOPLE IN THE WATCH AREAS SHOULD MOVE INDOORS TO
A SAFE SHELTER WHEN A STORM APPROACHES.

WEILAND
Special weather statement, May 29, 9:40 PM MDT, 1 hour 14 minutes before
NEZ001>003-019>021-300900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
940 PM MDT FRI MAY 29 1998

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE NORTHERN
NEBRASKA PANHANDLE UNTIL 3 AM...

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
THE NORTHERN NEBRASKA PANHANDLE UNTIL 3 AM SATURDAY MORNING.  THIS
WATCH INCLUDES THE CITIES OF ALLIANCE...CHADRON...SCOTTSBLUFF AND
GERING.

A WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THE FORMATION
OF SEVERE STORMS.  IN THIS CASE...LARGE HAIL AND STRONG WIND GUSTS ARE
LIKELY WITH ANY STORM IN THE WATCH AREA.

AT 935 PM...STRONG THUNDERSTORMS WERE LOCATED IN SOUTHERN SIOUX COUNTY
AND SOUTHWEST DAWES COUNTY.  A SEVERE THUNDERSTORM WARNING IS IN EFFECT
UNTIL 10 PM FOR SOUTHERN SIOUX COUNTY.  ALL OF THE STORMS WERE MOVING
TO THE NORTHEAST AT 25 MPH.

WITH THE POSSIBILITY OF SEVERE THUNDERSTORMS IN THE NORTHERN NEBRASKA
PANHANDLE THRU 3 AM...PEOPLE IN THE WATCH AREAS SHOULD MOVE INDOORS TO
A SAFE SHELTER WHEN A STORM APPROACHES.

WEILAND
Special weather statement, May 29, 10:45 PM MDT, 9 minutes before
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Special weather statement, May 29, 10:45 PM MDT, 9 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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    </section>
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 8:30 PM MDTSevere Thunderstorm WarningCYSSioux50 min
May 29, 9:14 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes51 min
May 29, 9:20 PM MDTSevere Thunderstorm WarningCYSSioux15 min
May 29, 9:31 PM MDTSevere Thunderstorm WarningCYSSioux49 min
May 29, 10:06 PM MDTSevere Thunderstorm WarningCYSDawes, Sioux49 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; radar from the NEXRAD Level II archive.