Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 105, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 7, 1986, 12:25 AM CDT for Boone County, Nebraska. It was in force for 20 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
- Aug 7, 1986, 12:25 AM CDT (05:25 UTC)
- Expired
- Aug 7, 1986, 12:45 AM CDT
- In force
- 20 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Boone 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 |
|---|---|---|---|
| Aug 7, 12:55 AM CDT | Thunderstorm Wind 0 | Boone, 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
Omaha, NE (KOAX), launched 00:00Z, 5.4 hours before the alert went out and 148 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
- 3611 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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
Local storm report, Aug 6, 6:55 PM CDT, 5 hours 30 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE VALENTINE NE
655 PM CDT WED AUG 06 1986
SELS MKC OMA A VTN
TIME EVENT
542 PM CST BASEBALL SIZE HAIL REPORTED AT MILLER FIELD AIRPORT
IN VALENTINE ALSO BASEBALL SIZE HAIL REPORTED IN THE
NORTHEAST PART OF VALENTINE...5 MILES NORTH OF
VALENTINE AND IN THE SOUTHEAST CORNER OF VALENTINE.
ONE REPORT OF GRAPEFRUIT SIZE HAIL 3 MILES OF VALENTINE.
REPORT OF A CAR WINDOW BEING BROKEN A FEW MILES
NORTHEAST OF VALENTINE..ALONG WITH SEVERAL HOUSE WINDS
BEING BROKEN IN TOWN.
555 PM CST WALL CLOUD REPORTED BY SHERIFF AT VALENTINE OVER
NORTHWEST PART OF VALENTINE AND A FUNNEL CLOUD JUST
WEST OF VALENTINE.
RODDASpecial weather statement, Aug 6, 7:44 PM CDT, 4 hours 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 740 PM CDT WED AUG 6 1986 A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL NEBRASKA UNTIL 1000 PM CDT. AT 740 PM CDT THE INTENSE THUNDERSTORMS THAT WERE IN RED-WILLOW COUNTY OF SOUTHWEST NEBRASKA HAD MOVED TO THE SOUTHEAST OUT OF THE COUNTY. AN INTENSE THUNDERSTORM WAS MOVING TOWARD THOMAS COUNTY IN NORTH CENTRAL NEBRASKA AT 20 MPH. THIS IS THE SAME THUNDERSTORM THAT PRODUCED BASEBALL SIZE HAIL AND FUNNEL CLOUDS OVER CHERRY COUNTY THIS EARLIER THIS EVENING. PERSONS IN THOMAS COUNTY SHOULD STAY TUNED TO LOCAL RADIO FOR WEATHER UDATES AS THEY OCCUR. MEYER
Special weather statement, Aug 6, 7:49 PM CDT, 4 hours 36 minutes before
SPECIAL WEATHER STATEMENT..CORRECTED.. NATIONAL WEATHER SERVICE NORTH PLATTE NE 740 PM CDT WED AUG 6 1986 A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL NEBRASKA UNTIL 1000 PM CDT. AT 740 PM CDT THE INTENSE THUNDERSTORMS THAT WERE IN RED-WILLOW COUNTY OF SOUTHWEST NEBRASKA HAD MOVED TO THE SOUTHEAST OUT OF THE COUNTY. AN INTENSE THUNDERSTORM WAS MOVING TOWARD THOMAS COUNTY IN NORTH CENTRAL NEBRASKA AT 20 MPH. THIS IS THE SAME THUNDERSTORM THAT PRODUCED BASEBALL SIZE HAIL AND FUNNEL CLOUDS OVER CHERRY COUNTY EARLIER THIS EVENING. PERSONS IN THOMAS COUNTY SHOULD STAY TUNED TO LOCAL RADIO FOR WEATHER UPDATES AS THEY OCCUR. MEYER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:53 PM CDT | Tornado Warning | LBF | Thomas | 57 min |
| Aug 6, 8:24 PM CDT | Tornado Warning | LBF | Custer, Logan | 56 min |
| Aug 6, 9:22 PM CDT | Tornado Warning | LBF | Custer, Lincoln, Logan | 58 min |
| Aug 6, 10:14 PM CDT | Severe Thunderstorm Warning | LBF | Boyd, Holt, Keya Paha | 56 min |
| Aug 6, 10:25 PM CDT | Tornado Warning | LBF | Custer | 35 min |
| Aug 6, 10:50 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 55 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.