Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 33, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 15, 1986, 6:27 PM CDT for Custer County, Nebraska. It was in force for 53 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
- Jun 15, 1986, 6:27 PM CDT (23:27 UTC)
- Expired
- Jun 15, 1986, 7:20 PM CDT
- In force
- 53 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Custer 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 6:45 PM CDT | Hail 3 | Custer, 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.5 hours before the alert went out and 79 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
- 611 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 356 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 152327 SVRLBF NEC041-160020- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 627 PM CDT SUN JUN 15 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 720 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL NEBRASKA...CENTRAL AND EASTERN CUSTER AT 618 PM CDT A SEVERE THUNDERSTORM WAS REPORTED BY CUSTER COUNTY CIVIL DEFENSE 7 MILES NORTHEAST OF SAR6GENT. IF THREATENING WEATHER APPROACHES...GET TO A REINFORCED SHELTER AND PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN..AND DANGEROUS LIGHTNING.
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 15, 5:15 PM CDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 515 PM CDT SUN JUN 15 1986 A SMALL BUT STRONG THUNDERSTORM HAD DEVELOPED OVER WEST CENTRAL NEBRASKA THIS AFTERNOON. A STRONG THUNDERSTORM HAD DEVELOPED 5 MILES NORTHEAST OF ARNOLD NEBRASKA IN CUSTER COUNTY AT 510 PM CDT. THIS WOULD BE ABOUT 35 MILES NORTHEAST OF NORTH PLATTE NEBRASKA. THE THUNDERSTORM WAS MOVING EAST AT 30 MILES AN HOUR. PERSONS IN THE VICINITY OF THIS THUNDERSTORM CAN EXPECT SOME BRIEF HEAVY RAIN..SMALL HAIL..AND GUSTY WIND. MEYER
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.