Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 79, NWS Cheyenne, WY

August 8, 1986Banner County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 8, 1986, 4:21 PM MDT for Banner County, Scotts Bluff County, Nebraska. It was in force for 69 min. 2 reports 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
Aug 8, 1986, 4:21 PM MDT (22:21 UTC)
Expired
Aug 8, 1986, 5:30 PM MDT
In force
69 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Banner County, NE, Scotts Bluff County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 8, 5:15 PM MDTThunderstorm Wind 52Banner, NE
Aug 8, 5:30 PM MDTHail 0.75Banner, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.4 hours before the alert went out and 207 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 12:00Z on 1986-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1986-08-08The 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2269 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBFF 082221
SVRBFF
NEC007-157-082330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
421 PM MDT FRI AUG 8 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 530 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

PANHANDLE OF NEBRASKA...WESTERN BANNER AND WESTERN SCOTTS BLUFF

AT 420 PM MDT..RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES WEST
OF SCOTTSBLUFF NEBRASKA...ON THE NEBRASKA-WYOMING STATELINE. THE
SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AROUND 25 MILES AN HOUR.

HAIL WAS REPORTED WITH THIS STORM IN EASTERN WYOMING.

REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN THAT
CAN QUICKLY FLOOD LOW LYING AREAS.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE
TO A PLACE OF SAFETY IF ONE IS SPOTTED.

PFEIFFER

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, Aug 8, 3:12 PM MDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
310 PM MDT FRI AUG 8 1986

AT 305PM A VERY STRONG THUNDERSTORM WAS LOCATED ABOUT 10 MILES EAST
OF WHEATLAND.  THIS WAS ALONG THE PLATTE AND GOSHEN COUNTY BORDERS OF
SOUTHEAST WYOMING.

THE STORM WAS MOVING TO THE EAST SOUTHEAST AT 20 MPH.  THIS STORM WILL
BE BETWEEN LINGLE AND VETERAN ABOUT 400PM AND MOVE THROUGH THE
TORRINGTON AREA AROUND 430PM.

BRIEFLY HEAVY RAIN...STRONG GUS,TY WINDS AND HAIL WILL ACCOMPANY THIS
STORM.
COX
Special weather statement, Aug 8, 3:27 PM MDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
325 PM MST FRI AUG 8 1986

...STRONG THUNDERSTORMS IN CHERRY COUNTY OF NORTH CENTRAL NEBRASKA...

AT 320PM MDT...STRONG THUNDERSTORMS WERE IN WESTERN CHERY COUNTY...50
MILES WEST AND 30 MILES SOUTHWEST OF VALENTINE NEBRASKA. THESE STORMS
WERE MOVING TO THE EAST AT 20 MPH.

HEAVY RAIN..STRONG GUSTY WIND..AND SMALL HAIL ARE POSSIBLE WITH THESE
STORMS AS T`HEY MOVE ACROSS CHERRY COUNTY UNTIL 430PM MDT THIS AFTERNOON.
PFEIFFER
Special weather statement, Aug 8, 3:40 PM MDT, 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ALLIANCE NE
330 PM MDT FRI AUG 8 1986

AT 330 PM MDT A SEVERE THUNDERSTORM WITH VERY HEAVY RAIN WAS
LOCATED 15 MILES NORTHEAST OF WHEATLAND WYOMING.
THIS STORM WAS MOVING TO THE EAST AT 25 MILES AN HOUR AND
WAS LOCATED IN EXTREME EAST WYOMING.

STRONG THUNDERSTORMS WERE IN WESTERN CHERRY COUNTY...50 MILES
WEST AND 30 MILES SOUTHWEST OF VALENTINE NEBRASKA IN NORTH
CENTRAL NEBRASKA. THESE STORMS WERE MOVING TO THE EAST AT 20
MILES AN HOUR AND DO CONTAIN HEAVY RAIN STRONG GUSTY WINDS
AND SMALL HAIL.

SCATTERED THUNDERSHOWERS WERE OVER SOUTHWEST SOUTH DAKOTA
THESE THUNDERSHOWERS WERE LOCATED FROM 20 MILES SOUTHEAST OF
HOT SPRINGS TO 20 MILES SOUTH OF PHILLIP SOUTH DAKOTA.

SCATTERED THUNDERSHOWERS WERE OVER EAST WYOMING. THESE THUNDERSHOWERS
WERE LOCATED FROM CHEYENNE TO 20 MILES WEST OF LUSK.

THERE WERE THUNDERSHOWERS OVER THE SAND HILLS OF NEBRASKA.
THESE THUNDERSHOWERS WERE LOCATED NORTH OF ARTHUR NEBRASKA
AND NORTH OF KEYSTONE NEBRASKA.

THE THUNDERSHOWERS WERE MOVING EAST AT 20 MILES AN HOUR.
VANA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 5:10 PM MDTSevere Thunderstorm WarningCYSBanner, Kimball50 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning in 1986

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.