Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 22, NWS Cheyenne, WY

June 4, 1994Sheridan County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 4, 1994, 7:42 PM MDT for Sheridan County, Nebraska. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1994, 7:42 PM MDT (01:42 UTC)
Expired
Jun 4, 1994, 8:45 PM MDT
In force
63 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Sheridan County, NE

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 1.7 hours before the alert went out and 178 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 1994-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 148 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 1994-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
148 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
2411 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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, Jun 4, 4:48 PM MDT, 2 hours 54 minutes before
NEZ001>004-019>022-054>056-042345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
448 PM MDT SAT JUNE 24 1994

...ISOLATED THUNDERSTORMS AROUND THE NEBRASKA PANHANDLE...

AT 445 PM MDT...RADAR INDICATED A FEW SHOWERS AND ISOLATED THUNDERSTORMS
ACROSS PARTS OF THE NEBRASKA PANHANDLE.  MOVEMENT OF THE SHOWERS AND
THUNDERSTORMS WAS EAST AT 15 MPH.  THE COVERAGE SHOULD GRADUALLY
INCREASE DURING THE EARLY EVENING HOURS.  PANHANDLE RESIDENTS SHOULD BE
AWARE OF THE POTENTIAL FOR THUNDERSTORMS AND ASSOCIATED WEATHER HAZARDS
THROUGH THIS EVENING.

RENZ
Special weather statement, Jun 4, 4:48 PM MDT, 2 hours 54 minutes before
NEZ001>004-019>022-054>056-042345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
448 PM MDT SAT JUNE 24 1994

...ISOLATED THUNDERSTORMS AROUND THE NEBRASKA PANHANDLE...

AT 445 PM MDT...RADAR INDICATED A FEW SHOWERS AND ISOLATED THUNDERSTORMS
ACROSS PARTS OF THE NEBRASKA PANHANDLE.  MOVEMENT OF THE SHOWERS AND
THUNDERSTORMS WAS EAST AT 15 MPH.  THE COVERAGE SHOULD GRADUALLY
INCREASE DURING THE EARLY EVENING HOURS.  PANHANDLE RESIDENTS SHOULD BE
AWARE OF THE POTENTIAL FOR THUNDERSTORMS AND ASSOCIATED WEATHER HAZARDS
THROUGH THIS EVENING.

RENZ
Special weather statement, Jun 4, 5:42 PM MDT, 2 hours before
NEZ001>004-019>022-054>056-050045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
542 PM MDT SAT JUNE 24 1994

...SCATTERED THUNDERSTORMS AROUND THE NEBRASKA PANHANDLE...

AT 540 PM MDT...RADAR INDICATED A FEW SHOWERS AND SCATTERED THUNDERSTORMS
ACROSS PARTS OF THE NEBRASKA PANHANDLE.  THE STRONGEST STORMS WERE LOCATED
12 MILES SOUTHEAST OF CHADRON...15 MILES NORTHWEST OF ALLIANCE...AND 25
MILES NORTHEAST OF SIDNEY NEBRASKA.  THESE STORMS WERE ALL MOVING TO THE
EAST AT 15 TO 20 MPH.

PERSONS PLANNING ANY OUTDOOR ACTIVITIES ACROSS THE PANHANDLE THIS EVENING
SHOULD KEEP THEMSELVES AWARE OF THE STORM ACTIVITY IN THEIR AREA AND BE
PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES.

RENZ
Special weather statement, Jun 4, 5:42 PM MDT, 2 hours before
NEZ001>004-019>022-054>056-050045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
542 PM MDT SAT JUNE 24 1994

...SCATTERED THUNDERSTORMS AROUND THE NEBRASKA PANHANDLE...

AT 540 PM MDT...RADAR INDICATED A FEW SHOWERS AND SCATTERED THUNDERSTORMS
ACROSS PARTS OF THE NEBRASKA PANHANDLE.  THE STRONGEST STORMS WERE LOCATED
12 MILES SOUTHEAST OF CHADRON...15 MILES NORTHWEST OF ALLIANCE...AND 25
MILES NORTHEAST OF SIDNEY NEBRASKA.  THESE STORMS WERE ALL MOVING TO THE
EAST AT 15 TO 20 MPH.

PERSONS PLANNING ANY OUTDOOR ACTIVITIES ACROSS THE PANHANDLE THIS EVENING
SHOULD KEEP THEMSELVES AWARE OF THE STORM ACTIVITY IN THEIR AREA AND BE
PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES.

RENZ
Special weather statement, Jun 4, 6:35 PM MDT, 1 hour 7 minutes before
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Special weather statement, Jun 4, 6:41 PM MDT, 1 hour 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 6:13 PM MDTTornado WarningCYSSheridan37 min
Jun 4, 6:13 PM MDTTornado WarningCYSDawes62 min
Jun 4, 6:32 PM MDTTornado WarningCYSBox Butte28 min
Jun 4, 7:24 PM MDTSevere Thunderstorm WarningCYSDawes66 min
Jun 4, 7:55 PM MDTSevere Thunderstorm WarningCYSSheridan19 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994

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.