Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 99, NWS Cheyenne, WY

July 25, 1996Banner County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 25, 1996, 3:11 PM MDT for Banner County, Nebraska. It was in force for 64 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: Jul 25, 1996, 3:11 PM MDT (21:11 UTC)
Expired: Jul 25, 1996, 4:15 PM MDT
In force: 64 min
Issued by: NWS Cheyenne, WY
Area: Whole counties

County Banner County, NE

What was reported inside it

Time	Report	Where	Remark
Jul 25, 3:30 PM MDT	Hail 1.5	Harrisburg, 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 nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.2 hours before the alert went out and 191 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 845 J/kg
Mixed-layer CIN: -213 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 22 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 25, 10:06 AM MDT, 5 hours 5 minutes before

WYZ059>070-NEZ001>003-019>021-054-055-252300-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
1005 AM MDT THU JUL 25 1996

THE SEVERE WEATHER POTENTIAL IN THE COUNTY WARNING AREA OF THE CHEYENNE
NATIONAL WEATHER SERVICE OFFICE IS MEDIUM THIS AFTERNOON AND EVENING.

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

DISCUSSION...THE AIR MASS HAS BECOME MORE MOIST AND UNSTABLE OVER THE
AREA.  UPSLOPE WINDS AT THE SURFACE WILL COMBINE WITH AN UPPER LEVEL
DISTURBANCE MOVING IN FROM THE WEST TO TRIGGER SCATTERED THUNDERSTORMS.
SOME OF THESE STORMS MAY BECOME QUITE STRONG THIS AFTERNOON THROUGH
THIS EVENING.

THIS OUTLOOK IS FOR THE FOLLOWING COUNTIES IN SOUTHEAST WYOMING AND
THE NEBRASKA PANHANDLE.
<
WY...ALBANY...CARBON...CONVERSE...GOSHEN...LARAMIE...NIOBRARA...PLATTE

NE...BANNER   BOX BUTTE   CHEYENNE   DAWES   KIMBALL   MORRILL   SIOUX
     SCOTTS BLUFF

WCJIN-WYSE-WYNE

JLH

Special weather statement, Jul 25, 12:53 PM MDT, 2 hours 18 minutes before

WYZ065-066-069-070-NEZ020-054-251945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1252 PM MDT THU JUL 25 1996

...A FEW STRONG THUNDERSTORMS HAVE DEVELOPED IN LARAMIE COUNTY OF
SOUTHEAST WYOMING AT 1250 PM...

THE STORMS WERE LOCATED IN FAR WESTERN LARAMIE COUNTY ABOUT 20 TO 30
MILES WEST AND NORTHWEST OF CHEYENNE.  THEY WERE MOVING SOUTHEAST AT
20 MPH...AND WILL BE APPROACHING THE WESTERN PART OF CHEYENNE BY 115 PM.

THESE STORMS COULD PRODUCE HAIL AND HEAVY RAIN...ALONG WITH GUSTY WINDS
AND DANGEROUS LIGHTNING.  PEOPLE OUTSIDE AT THE FRONTIER PARK SHOULD
KEEP AN EYE ON WEATHER CONDITIONS AND BE READY TO MOVE TO A SAFE PLACE
IF THESE STORMS MOVE RIGHT OVER THE CITY..

WCJIN-WYSE

JAD

Special weather statement, Jul 25, 1:42 PM MDT, 1 hour 29 minutes before

WYZ069-070-252045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
143 PM MDT THU JUL 25 1996

...STRONG THUNDERSTORMS CONTINUED ACROSS WESTERN LARAMIE COUNTY AT
140 PM...

THE STRONGEST STORM WAS LOCATED ABOUT 20 TO 30 MILES NORTHWEST OF
CHEYENNE IN NORTHWEST LARAMIE COUNTY.  ANOTHER STORM WAS ABOUT 10
TO 15 MILES NORTHWEST OF THE CITY...WITH YET ANOTHER ONE ABOUT
15 MILES SOUTHWEST OF CHEYENNE.

MOST OF THE STORMS WERE MOVING SOUTHEAST AT 20 MPH.  THE CLOSEST
STORM TO CHEYENNE COULD CLIP THE NORTHERN PARTS OF THE CITY
BETWEEN 200 AND 230 PM.  MARBLE SIZE HAIL AND HEAVY RAIN HAVE BEEN
OCCURRING WITH THESE STORMS...SO BE READY TO MOVE INDOORS OR TO A
SAFE PLACE IF A ST~ORM MOVES INTO YOUR AREA.

WCJIN-WYSE

JAD

Special weather statement, Jul 25, 2:05 PM MDT, 1 hour 6 minutes before

NEZ001-002-003-019-020-021-054-055-252100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
205 PM MDT THU JUL 25 1996

...A TORNADO WATCH HAS BEEN ISSUED UNTIL 9 PM FOR THE NEBRASKA
PANHANDLE...

THE STRONGEST STORMS AT 2 PM WERE IN THE NORTHWEST PART OF THE
PANHANDLE ACROSS CENTRAL SIOUX...WESTERN AND SOUTHERN DAWES...
AND NORTHERN BOX BUTTE COUNTIES.  THE WORST STORM WAS LOCATED ABOUT
30 MILES SOUTHWEST OF CHADRON.  THE STORMS WERE MOVING SOUTHEAST AT
20 TO 25 MPH.

SMALL HAIL...HEAVY RAIN AND GUSTY WINDS ARE POSSIBLE WITH THESE
STORMS.

A TORNADO WATCH HAS BEEN ISSUED UNTIL 9 PM FOR THE PANHANDLE.
STAY ALERT TO ANY STORMS MOVING INTO YOUR AREA...AND BE READY TO MO(VE
TO A SAFE PLACE.

JAD

Special weather statement, Jul 25, 2:25 PM MDT, 46 minutes before

WYZ067>070-252115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
225 PM MDT THU JUL 25 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR FAR SOUTHEAST WYOMING UNTIL
9 PM...

CONDITIONS ARE RIPE FOR SOME STRONG THUNDERSTORMS ACROSS FAR SOUTHEAST
WYOMING...AND SO A TORNADO WATCH HAS BEEN POSTED UNTIL 9 PM.

AT 220 PM...THE STRONGEST STORM WAS LOCATED IN NORTH CENTRAL LARAMIE
COUNTY ABOUT 20 TO 30 MILES NORTH OF CHEYENNE.  OTHER WEAKER STORMS
WERE IN THE CHEYENNE AREA...AND ALSO ACROSS PARTS OF WESTERN PLATTE
COUNTY.  MOST STORMS WERE MOVING SOUTHEAST AT 20 MPH.

PEOPLE IN SOUTHEAST WYOMING SHOULD KEEP AN EYE ON WEATHER CONDITIONS
IN YOUR AREA THIS AFTERNOON AND EVENING.  A FEW rOF THE STORMS COULD
BECOME QUITE STRONG...SO BE READY TO MOVE TO A SAFE PLACE IF YOU NEED
TO.
WCJIN-WYSE

JAD

Special weather statement, Jul 25, 3:00 PM MDT, 11 minutes before

WYZ067>070-252200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
300 PM MDT THU JUL 25 1996

...A FEW STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHEAST WYOMING AT
255 PM...

THE STRONGEST STORM AT 255 PM WAS LOCATED ABOUT 25 MILES SOUTHWEST OF
TORRINGTON IN SOUTHERN GOSHEN COUNTY...OR ABOUT 5 TO 15 MILES WEST OF
LA GRANGE.  A FEW MUCH WEAKER STORMS WERE SCATTERED ABOUT SOUTHERN
PLATTE AND PARTS OF LARAMIE COUNTY.  ALL STORMS WERE MOVING EAST OR
SOUTHEAST AT 20 MPH.

PEOPLE IN SOUTHERN GOSHEN COUNTY SHOULD BE READY TO MOVE INDOORS
IF THREATENING WEATHER APPROACHES.

WCJIN-WYSE

JAD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 2:10 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes	65 min
Jul 25, 3:14 PM MDT	Tornado Warning	CYS	Box Butte	46 min
Jul 25, 4:00 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Cheyenne, Morrill	60 min
Jul 25, 4:23 PM MDT	Severe Thunderstorm Warning	CYS	Scotts Bluff	37 min
Jul 25, 4:30 PM MDT	Tornado Warning	CYS	Scotts Bluff	30 min
Jul 25, 5:00 PM MDT	Severe Thunderstorm Warning	CYS	Morrill, Scotts Bluff	45 min
Jul 25, 3:08 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	52 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1996 Every severe thunderstorm warning in 1996

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.