Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 80, NWS Cheyenne, WY

July 15, 1994Morrill County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 15, 1994, 2:42 AM MDT for Morrill County, Scotts Bluff County, Nebraska. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1994, 2:42 AM MDT (08:42 UTC)
Expired
Jul 15, 1994, 3:30 AM MDT
In force
48 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Morrill County, NE, Scotts Bluff County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 8.7 hours before the alert went out and 213 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, Denver, CO at 00:00Z on 1994-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 846 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1994-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
846 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1950 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
47 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, Jul 14, 10:57 PM MDT, 3 hours 45 minutes before
WYZ069-070-150530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1056 PM MDT THU JUL 14 1994

...A STRONG THUNDERSTORM WILL MOVE JUST SOUTH OF PINE BLUFFS JUST
JUST AFTER 11 PM...

AT 1153 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A VERY STRONG
THUNDERSTORM 33 MILES EAST OF CHEYENNE ALONG INTERSTATE 80.  THIS STORM
WAS MOVING NORTHEAST AT 10 MILES AN HOUR...AND WILL PASS JUST SOUTH OF
PINE BLUFFS AND INTO THE SOUGHERN NEBRASKvA PANHANDLE BETWEEN 1100 AND
1130 PM.  VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SOME SMALL HAIL ARE
LIKELY WITH THIS STORM.

IF YOUR ARE IN THE PATH OF THIS STORM...MOVE INDOORS UNTIL THE STORM HAS
MOVED THROUGH.

WCJIN-WYSE
SULLIVAN
Special weather statement, Jul 14, 11:02 PM MDT, 3 hours 40 minutes before
WYZ069-070-150530-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CHEYENNE WY
1056 PM MDT THU JUL 14 1994

CORRECTED TIME LN 1

...A STRONG THUNDERSTORM WILL MOVE JUST SOUTH OF PINE BLUFFS JUST
AFTER 11 PM...

AT 1053 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A VERY STRONG
THUNDERSTORM 33 MILES EAST OF CHEYENNE ALONG INTERSTATE 80.  THIS STORM
WAS MOVING NORTHEAST AT 10 MILES AN HOUR...AND WILL PASS JUST SOUTH OF
PINE BLUFFS AND INTO THE SOUGHERN NEBRASKA PANHANDLE BETWEEN 1100 AND
1130 PM.  VERY HEAVY RAIN...STRONG GUSTY WINDS...AND SOME SMALL HAIL ARE
LIKELY WITH THIS STORM.

IF YOUR ARE IN THE PATH OF THIS STORM...MOVE INDOORS UNTIL THE STORM HAS
MOVED THROUGH.

WCJIN-WYSE
JBS
Special weather statement, Jul 14, 11:47 PM MDT, 2 hours 55 minutes before
NEZ001>004-019>022-054>056-150645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1147 PM MDT THU JUL 14 1994

...SHOWERS AND THUNDERSTORMS OVER PARTS OF THE NEBRASKA PANHANDLE...

AT 1145 PM MDT RADAR SHOWED AN AREA OF SHOWERS AND EMBEDDED HEAVY
THUNDERSTORMS OVER THE NORTHERN PART OF THE NEBRASKA PANHANDLE.  THE
THUNDERSTORMS WERE LOCATED FROM 10 MILES SOUTHWEST OF CHADRON TO NEAR
CRAWFORD NEBRASKA...OVER DAWES COUNTY.

OTHER THUNDERSHOWERS WERE OVER KIMBALL COUNTY 35 MILES WEST OF
SIDNEY NEBRASKA...NEAR THE CITY OF KIMBALL.

MOVEMENT OF ALL THE SHOWERS AND THUNDERSTORMS WAS EAST AT 30 MPH.

RESIDENTS OF DAWES AND KIMBALL COUNTIES MAY EXPERIENCE BRIEF HEAVY
RAIN...G@USTY WIND AND DEADLY LIGHTNING AS THE STORMS MOVE OVER THEIR
AREA THROUGH 1245 A.M. MDT.
EMANUEL
Special weather statement, Jul 15, 12:48 AM MDT, 1 hour 54 minutes before
WYZ059-060-067-068-150900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1245 AM MDT FRI JUL 15 1994

...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL WYOMING EARLY
FRIDAY MORNING...

AT 1235 AM...STRONG THUNDERSTORMS WERE LOCATED 10 MILES NORTH AND
NORTHEAST OF WHEATLAND AS WELL AS 20 MILES SOUTHEAST OF DOUGLAS...NEAR
GLENDO RESERVOIR.  THE STORMS WERE MOVING EAST AT 20 MPH.

THE STORMS NEAR WHEATLAND HAVE DEVELOPED RAPDILY SINCE MIDNIGHT.  ALL
OF THE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...SMALL
HAIL...STRONG WIND GUSTS AND DANGEROUS LIGHTNING.  SHORTLY AFTER
MIDNIGHT...PEA SIZED HAIL WAS NOTED AT ORIN JUNCTION.

PEOPLE IN CENTRAL AND NORTHERN PARTS OF PLATTE AND GOSHEN COUNTIES AS
WELL AS THE SOUTH PARTS OF CONVERSE AND NIOBRARA COUNTIES WILL BE MOST
AFFECTED BY THE THUNDERSTORMS UNTIL 300 AM.  SOME CITIES IN THIS AREA
INCLUDE...TORRINGTON...GLENDO...LUSK AND LINGLE.

THE HEAVY RAIN MAY PRODUCE SMALL STREAMS AND LOW LYING AREA TO RISE.

PEOPLE IN EAST CENTRAL WYOMING SHOULD BE AWARE OF THE THUNDERSTORMS
EARLY THIS MORNIBG.  IF A STORM APPROACHES...THE SAFEST PLACE TO BE IS
IN A STURDY BUILDING.  DO NOT TRY TO CROSS FLOODED ROADS OR BRIDGES.

WCJIN-WYSE-WYNE
WEILAND
Special weather statement, Jul 15, 12:54 AM MDT, 1 hour 48 minutes before
NEZ001>004-019>022-054>056-150800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1253 AM MDT FRI JUL 15 1994

...THUNDERSTORMS ACROSS THE NEBRASKA PANHANDLE...

AT 1252 AM MDT RADAR INDICATED ISOLATED THUNDERSTORMS ACROSS THE
PANHANDLE WITH THE STRONGEST STORM LOCATED 10 MILES SOUTHEAST OF CHADRON
OR 25 MILES NORTH OF ALLIANCE MOVING EAST AT 25 MPH.

RESIDENTS OF CENTRAL SHERIDAN COUNTY OF THE NEBRASKA PANHANDLE MAY
EXPERIENCE BRIEF HEAVY RAIN...SMALL HAIL...DEADLY LIGHTNING AND STRONG
WIND UNTIL 200 AM MDT THIS MORNING.
EASTLACK
Special weather statement, Jul 15, 1:34 AM MDT, 1 hour 8 minutes before
NEZ001>004-019>022-054>056-150830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
132 AM MDT FRI JUL 15 1994

...THUNDERSTORMS ACROSS THE WESTERN NEBRASKA PANHANDLE...

AT 131 AM MDT RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS ACROSS THE
WESTERN PANHANDLE WITH THE STRONGEST STORMS LOCATED 5 MILES SOUTHWEST OF
SCOTTSBLUFF AND 45 MILES SOUTHWEST OF CHADRON MOVING EAST AT 20 MPH.

RESIDENTS OF SCOTTS BLUFF AND SIOUX COUNTIES OF THE NEBRASKA PANHANDLE
MAY EXPERIENCE BRIEF HEAVY RAIN...SMALL HAIL...DEADLY LIGHTNING AND
STRONG WIND UNTIL 230 AM MDT THIS MORNING.
EASTLACK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 2:15 AM MDTSevere Thunderstorm WarningCYSScotts Bluff45 min
Jul 15, 3:33 AM MDTSevere Thunderstorm WarningCYSMorrill42 min
Jul 15, 2:37 AM MDTFlash Flood WarningCYSGoshen2 hr
Jul 15, 2:32 PM MDTSevere Thunderstorm WarningCYSLaramie43 min
Jul 15, 2:48 PM MDTSevere Thunderstorm WarningCYSGoshen42 min
Jul 15, 3:05 PM MDTSevere Thunderstorm WarningCYSLaramie40 min
Jul 15, 3:38 PM MDTSevere Thunderstorm WarningCYSLaramie52 min
Jul 15, 4:25 PM MDTSevere Thunderstorm WarningCYSLaramie35 min
Jul 15, 5:04 PM MDTSevere Thunderstorm WarningCYSGoshen41 min
Jul 15, 5:45 PM MDTTornado WarningCYSGoshen30 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.