Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 103, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 6, 1986, 10:14 PM CDT for Boyd County, Holt County, Keya Paha County, Nebraska. It was in force for 56 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 6, 1986, 10:14 PM CDT (03:14 UTC)
- Expired
- Aug 6, 1986, 11:10 PM CDT
- In force
- 56 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Boyd County, NE, Holt County, NE, Keya Paha 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 6, 10:55 PM CDT | Hail 1.75 | Holt, 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 00:00Z, 3.2 hours before the alert went out and 219 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
- 2131 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 2158 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOFK 070314 SVROFK NEC103-089-015-070410- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORFOLK NE 1014 PM CDT WED AUG 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1110 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL NEBRASKA...EASTERN KEYA PAHA...NORTHERN HOLT AND WESTERN BOYD AT 1010 PM CDT RADAR INDIVATED A SEVERE THUNDERSTORM 120 MILES NOTHWEST OF NORFOLK OR 5 WEST OF JAMISON IN EASTERN KEYA PAHA IN NORTH CENTRAL NEBRASKA. THE STORM WAS MOVING SOUTHEAST AT 25 MPH. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DEADLY WINDS IN EXCESS OF 75 MPH...LARGE HAIL...KILLER LIGHTNING...AND TORRENTIAL RAINS THAT CAN QUICKLY FLOOD A LOW LYING AREA. THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. A SEVERE THUNDERSTORM WATCH CONjTINUES IN EFFECT FOR NORTHEAST AND NORTH CENTRAL NEBRASKA UNTIL 3AM CDT THURSDAU MORNING. BOWERSOX
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 6, 4:45 PM CDT, 5 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 445 PM CDT WED AUG 6 1986 SHOWERS AND THUNDERSTORMS..SOME VERY HEAVY..CONTINUED OVER SOUTHWEST AND WESTCENTRAL NEBRASKA. THE STRONGEST STORM WAS 40 MILES SOUTH OF NORTH PLATTE AND WAS MOVING VERY SLOWLY EASTWARD. THIS STORM COULD PRODUCE STRONG WINDS..HEAVY RAIN AND HAIL AS IT MOVES SLOWLY EASTWARD BETWEEN 5 AND 7PM CDT. CARPER
Special weather statement, Aug 6, 4:47 PM CDT, 5 hours 27 minutes before
SPECIAL WEATHER STATEMENT..CORRECTION.. NATIONAL WEATHER SERVICE NORTH PLATTE NE 445 PM CDT WED AUG 6 1986 ...TORNADO WATCH FOR A LARGE PART OF CENTRAL NEBRASKA UNTIL 10 PM CDT... SHOWERS AND THUNDERSTORMS..SOME VERY HEAVY..CONTINUED OVER SOUTHWEST AND WESTCENTRAL NEBRASKA. THE STRONGEST STORM WAS 40 MILES SOUTH OF NORTH PLATTE AND WAS MOVING VERY SLOWLY EASTWARD. THIS STORM COULD PRODUCE STRONG WINDS..HEAVY RAIN AND HAIL AS IT MOVES SLOWLY EASTWARD BETWEEN 5 AND 7PM CDT. CARPER
Special weather statement, Aug 6, 6:21 PM CDT, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 615 PM CDT WED AUG 6 1986 ...TORNADO WATCH FOR A LARGE PART OF CENTRAL NEBRASKA UNTIL 10 PM CDT... AT 615 PM CDT INTENSE THUNDERSTORMS WERE LOCATED IN RED-WILLOW COUNTY OF SOUTHWEST NEBRASKA. ONE OF THE STRONGEST CELLS WAS 7 MILES NORTH OF MCCOOK NEBRASKA AND A SECOND STRONG CELL 25 MILES SOUTHEAST OF MCCOOK. ALL THUNDERSTORMS WERE MOVING SOUTHEAST AT 10 MILES AN HOUR. AS OF 615 PM CDT NO SEVERE WEATHER WAS OCCURRING IN THE NORTH PLATTE LISTENING AREA..HOWEVER THESE THUNDERSTORMS CAN PRODUCE HAIL..HEAVY RAIN..GUSTY WINDS AND DANGEROUS LIGHTNING. PERSONS IN THE VICINITY OF THESE THUNDERSTORMS ARE ADVISED TO KEEP AN EYE ON THE WEATHER. MEYER
Local storm report, Aug 6, 6:55 PM CDT, 3 hours 19 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, 2 hours 30 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, 2 hours 25 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, 10:25 PM CDT | Tornado Warning | LBF | Custer | 35 min |
| Aug 6, 10:50 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 55 min |
| Aug 7, 12:25 AM CDT | Severe Thunderstorm Warning | LBF | Boone | 20 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.