Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 59, NWS Cheyenne, WY

July 6, 1994Garden County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 6, 1994, 3:40 PM MDT for Garden County, Nebraska. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1994, 3:40 PM MDT (21:40 UTC)
Expired
Jul 6, 1994, 4:45 PM MDT
In force
65 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Garden County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.7 hours before the alert went out and 155 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, N. Platte/Lee Bi, NE at 12:00Z on 1994-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1472 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, N. Platte/Lee Bi, NE at 12:00Z on 1994-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
1472 J/kg
Mixed-layer CIN
-446 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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, Jul 6, 1:20 PM MDT, 2 hours 20 minutes before
NEZ001>004-019>022-054>056-062030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
120 PM MDT WED JUL 6 1994

...TORNADO WATCH IN EFFECT UNTIL 8 PM MDT...

A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE NEBRASKA PANHANDLE UNTIL 8
PM MDT.   AT 119 PM MDT...RADAR INDICATED A DEVELOPING THUNDERSTORM 8
MILES SOUTHWEST OF SCOTTSBLUFF.  THIS STORM HAS BEEN STRENGTHENING AND
MAY PRODUCE HEAVY RAIN...SMALL HAIL...GUSTY WIND AND DANGEROUS LIGHTING
OVER SCOTTSBLUFF AND VICINITY DURING THE NEXT HALF HOUR.

NO OTHER ACTIVITY WAS NOTED AROUND THE PANHANDLE AS OF 119 PM BUT
FURTHER DEVELOPMENT IS LIKELY AS THE AFTERNOON WEARS ON.

HORNE
Special weather statement, Jul 6, 1:20 PM MDT, 2 hours 20 minutes before
NEZ001>004-019>022-054>056-062030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
120 PM MDT WED JUL 6 1994

...TORNADO WATCH IN EFFECT UNTIL 8 PM MDT...

A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE NEBRASKA PANHANDLE UNTIL 8
PM MDT.   AT 119 PM MDT...RADAR INDICATED A DEVELOPING THUNDERSTORM 8
MILES SOUTHWEST OF SCOTTSBLUFF.  THIS STORM HAS BEEN STRENGTHENING AND
MAY PRODUCE HEAVY RAIN...SMALL HAIL...GUSTY WIND AND DANGEROUS LIGHTING
OVER SCOTTSBLUFF AND VICINITY DURING THE NEXT HALF HOUR.

NO OTHER ACTIVITY WAS NOTED AROUND THE PANHANDLE AS OF 119 PM BUT
FURTHER DEVELOPMENT IS LIKELY AS THE AFTERNOON WEARS ON.

HORNE
Special weather statement, Jul 6, 1:35 PM MDT, 2 hours 5 minutes before
WYZ056>058-060-068-062230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
135 PM MDT WED JUL 6 1994

...A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN WYOMING...

A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF EXTREME EASTERN WYOMING.
THIS WATCH IS IN EFFECT FROM 130 PM TO 800 PM MDT AND INCLUDES GOSHEN
...NIOBRARA...WESTON AND CROOK COUNTIES.

A MOIST AND UNSTABLE AIR MASS IS IN PLACE ALONG THE EASTERN BORDER OF
WYOMING THIS AFTERNOON.  WITH A LOW PRESSURE SYSTEM ALSO APPROACHING
...THIS REGION HAS CONDITIONS FAVORABLE FOR DEVELOPMENT OF SEVERE
THUNDERSTORMS.  SOME OF THE STORMS WHICH DEVELOP THIS AFTERNOON IN THE
WATCH AREA COULD EVEN PRODUCE TORNADOES.

PEOPLE IN EXTREME EASTERN WYOMING SHOULD REMAIN ALERT TO DEVELOPING
THUNDERSTORMS THIS AFTERNOON.  BE PREPARED TO SEEK SHELTER IN THE
EVENT A TORNADO OR SEVERE THUNDERSTORMS WARNING IS ISSUED.  STAY TUNED
/
TO LOCAL TELEVISION AND RADIO STATIONS OR NOAA WEATHER RADIO FOR
LATER INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.

WCJIN-WYSE-WYNE

JMH
Special weather statement, Jul 6, 1:36 PM MDT, 2 hours 4 minutes before
WYZ056>058-060-068-062230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
135 PM MDT WED JUL 6 1994

...A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN WYOMING...

A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF EXTREME EASTERN WYOMING.
THIS WATCH IS IN EFFECT FROM 130 PM TO 800 PM MDT AND INCLUDES GOSHEN
...NIOBRARA...WESTON AND CROOK COUNTIES.

A MOIST AND UNSTABLE AIR MASS IS IN PLACE ALONG THE EASTERN BORDER OF
WYOMING THIS AFTERNOON.  WITH A LOW PRESSURE SYSTEM ALSO APPROACHING
...THIS REGION HAS CONDITIONS FAVORABLE FOR DEVELOPMENT OF SEVERE
THUNDERSTORMS.  SOME OF THE STORMS WHICH DEVELOP THIS AFTERNOON IN THE
WATCH AREA COULD EVEN PRODUCE TORNADOES.

PEOPLE IN EXTREME EASTERN WYOMING SHOULD REMAIN ALERT TO DEVELOPING
THUNDERSTORMS THIS AFTERNOON.  BE PREPARED TO SEEK SHELTER IN THE
EVENT A TORNADO OR SEVERE THUNDERSTORMS WARNING IS ISSUED.  STAY TUNED

TO LOCAL TELEVISION AND RADIO STATIONS OR NOAA WEA(THER RADIO FOR
LATER INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.

WCJIN-WYSE-WYNE

JMH
Special weather statement, Jul 6, 1:39 PM MDT, 2 hours 1 minute before
NEZ001>004-019>022-054>056-062030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
138 PM MDT WED JUL 6 1994

...TORNADO WATCH IN EFFECT UNTIL 8 PM MDT...

A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE NEBRASKA PANHANDLE UNTIL 8
PM MDT.   AT 138 PM MDT...RADAR INDICATED A STRENGTHENING THUNDERSTORM
DEVELOPING SOUTHWARD...NOW CENTERED ON THE BANNER/SCOTTS BLUFF COUNTY
LINE 10 MILES SOUTHWEST OF SCOTTSBLUFF MOVING NORTHEAST AT 20 MPH.

THIS STORM HAS BEEN WILL LIKELY PRODUCE HEAVY RAIN...SMALL HAIL...GUSTY
WIND AND DANGEROUS LIGHTING OVER PARTS OF SCOTTS BLUFF AND
BANNER COUNTIES THROUGH 230 PM MDT.

NO OTHER ACTIVITY WAS NOTED AROUND THE PANHANDLE AS OF 138 PM BUT
FURTHER dDEVELOPMENT IS LIKELY AS THE AFTERNOON WEARS ON.

HORNE
Special weather statement, Jul 6, 2:26 PM MDT, 1 hour 14 minutes before
NEZ001>004-019>022-054>056-062130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
226 PM MDT WED JUL 6 1994

...TORNADO WATCH IN EFFECT UNTIL 8 PM MDT...

AT 224 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM LINGERING 8 MILES
SOUTHWEST OF SCOTTSBLUFF.  THIS STORM WAS MOVING TO THE NORTHEAST AT
20 MPH AND WILL LIKELY PRODUCE HEAVY RAIN...SMALL HAIL...GUSTY WIND AND
DANGEROUS LIGHTING OVER SCOTTS BLUFF AND NORTHERN BANNER COUNTIE4S
THROUGH 330 PM MDT.

A LINE OF STRONG THUNDERSTORMS WAS ALSO NOTED IN EAST CENTRAL WYOMING
AND MAY APPROACH THE SIOUX COUNTY LINE WEST OF HARRISON AROUND 300 PM
MDT.

HORNE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 3:16 PM MDTSevere Thunderstorm WarningCYSMorrill59 min
Jul 6, 3:56 PM MDTSevere Thunderstorm WarningCYSSioux64 min
Jul 6, 4:11 PM MDTSevere Thunderstorm WarningCYSMorrill64 min
Jul 6, 4:20 PM MDTSevere Thunderstorm WarningCYSSheridan55 min
Jul 6, 4:37 PM MDTTornado WarningCYSMorrill20 min
Jul 6, 5:02 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes28 min
Jul 6, 5:13 PM MDTSevere Thunderstorm WarningCYSSheridan62 min
Jul 6, 5:21 PM MDTSevere Thunderstorm WarningCYSMorrill39 min
Jul 6, 5:45 PM MDTSevere Thunderstorm WarningCYSGarden60 min
Jul 6, 3:24 PM MDTSevere Thunderstorm WarningCYSGoshen51 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.