Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 5, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 2, 1986, 10:47 PM MDT for Box Butte County, Nebraska. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- May 2, 1986, 10:47 PM MDT (04:47 UTC)
- Expired
- May 2, 1986, 11:30 PM MDT
- In force
- 43 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Box Butte 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 00:00Z, 4.8 hours before the alert went out and 206 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBFF 030447 SVRBFF NEC013-030530- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 1047 PM MDT FRI MAY 2 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF PANHANDLE OF NEBRASKA...NORTHERN BOX BUTTE AT 1043 PM MDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF HEMINGFORD NEBRASKA OR 30 MILES NORTHWEST OF ALLIANCE NEBRASKA MOVING TO THE EAST AT 20 MILES AN HOUR. 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. MEKIS
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, May 2, 10:15 PM MDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 1015 PM MDT FRI MAY 2 1986 ...THUNDERSTORMS DEVELOPING RAPIDLY IN THE NORTH NEBRASKA PANHANDLE... AT 1010 PM MDT THUNDERSTORMS WERE OVER THE NORTH NEBRASKA PANHANDLE.. MAINLY IN DAWES..BOX BUTTE AND SIOUX COUNTIES MOVING TO THE EAST AT 25 MILES AN HOUR. A FEW OF THESE STORMS MAY INTENSIFY PRODUCING BRIEF HEAVY RAIN..STRONG GUSTY WIND AND HAIL UNTIL AROUND MIDNIGHT.i MEKIS
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; the sounding from the Mesonet's radiosonde archive.