Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 9, NWS Cheyenne, WY

June 6, 1986Sheridan County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 6, 1986, 5:30 PM MDT for Sheridan County, Nebraska. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Jun 6, 1986, 5:30 PM MDT (23:30 UTC)
Expired: Jun 6, 1986, 6:30 PM MDT
In force: 60 min
Issued by: NWS Cheyenne, WY
Area: Whole counties

County Sheridan County, NE

The radar

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

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 11.5 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-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: 447 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1306 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 67 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 062333
SVRBFF
NEC161-070030-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
530 PM MDT FRI JUN 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 630 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF


THE PANHANDLE OF NEBRASKA...NORTH SHERDIAN

AT 530 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES NORTHEAST
OF CHADRON..OR 25 MILES NORTHWEST OF GORDAN NEBRASKA MOVING TO THE EAST
AT 30 MILES AND HOUR.

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

HONTON

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 6, 4:51 PM MDT, 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
445 AM MDT FRI JUN 6 1986

...SEVERE THUNDERSTORM WARNING IS NO IN EFFECT FOR SOUTHEAST DAWES
COUNTY IN THE NORTHERN NEBRASKA PANHANDLE.

AT 445 PM MDT RADAR SHOWER ISOLATED THUNDERSTORMS OVER THE NEBRASKA
PANHANDLE. THESE STORMS WERE NEAR ALLIANCE..30 MILES SOUTHEAST OF
CHADRON AND 10 MILES EAST OF SIDNEY. THE STORMS WER MOVING TO THE EAST
AT 25 MILES AN HOUR.
HONuTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 3:07 PM MDT	Severe Thunderstorm Warning	CYS	Deuel	48 min
Jun 6, 4:19 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	26 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986 Every 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; the sounding from the Mesonet's radiosonde archive.