Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 69, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 22, 1986, 12:35 AM CDT for Dakota County, Dixon County, Thurston County, Nebraska. It was in force for 55 min. 5 reports 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 22, 1986, 12:35 AM CDT (05:35 UTC)
- Expired
- Jun 22, 1986, 1:30 AM CDT
- In force
- 55 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Dakota County, NE, Dixon County, NE, Thurston 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 22, 12:45 AM CDT | Thunderstorm Wind 0 | Dakota, NE | |
| Jun 22, 12:45 AM CDT | Thunderstorm Wind 0 | Dakota, NE | |
| Jun 22, 1:10 AM CDT | Thunderstorm Wind 52 | Dixon, NE | |
| Jun 22, 1:10 AM CDT | Thunderstorm Wind 52 | Dixon, NE | |
| Jun 22, 1:10 AM CDT | Thunderstorm Wind 0 | Thurston, 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, 5.6 hours before the alert went out and 117 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
- 3594 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSUX 220536 SVRSUX IAC149-193-NEC051-043-173-220630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX CITY IA 1235 AM CDT SUN JUN 22 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL IOWA...PLYMOUTH AND WOODBURY NORTHEAST NEBRASKA...DIXON...DAKOTA AND THURSTON A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM SOUTHWEST MINNESOTA INTO EAST CENTRAL NEBRASKA WAS MOVING EAST AT 35 MILES AN HOUR AND PRODUCING WINDS IN EXCESS OF 70 MILES AN HOUR. THE NEAREST STORM TO SIOUX CITY IS 8 MILES TO THE WEST. THESE THUNDERSTORMS WILL MOVE INTO WESTERN IOWA BETWEEN 1235 AM AND 1250 AM CDT. REMEMBER..A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAINS THAT CAN QUICKLY FLOOD LOW LYING AREAS. THESE STORMS CAN AND OCCASIONALLY DO PRODUCE TORNFADOES 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. IF THREATENING WEATHER APPROACHES GET TO A REINFORCED SHELTER IMMEDIATELY. SHERLIN
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 21, 9:03 PM CDT, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 900 PM CDT SAT JUN 21 1986 ..TORNADO WATCH NUMBER 284 CANCELLED FOR MUCH OF EASTERN SOUTH DAKOTA... THE TORNADO WATCHV THAT WAS IN EFFECT FOR MUCH OF EASTERN SOUTH DAKOTA UNTIL 1000 PM CDT HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED IN ITS PLACE FOR SOUTHEAST SOUTH DAKOTA..SOUTHWEST MINNESOTA AND NORTHWEST IOWA. WEILAND
Local storm report, Jun 21, 9:51 PM CDT, 2 hours 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
950 PM CDT SAT JUN 21 1986
STORM REPORTS RELAYED VIA KELO-TV IN SIOUX FALLS SOUTH DAKOTA
915 PM CDT BASEBALL SIZED HAIL AT COLMAN SOUTH DAKOTA IN
WESTERN MOODY COUNTY..OR ABOUT 25 MILES NORTH OF
SIOUX FALLS.
3 1/3 INCHES OF RAIN REPORTED SINCE THIS AFTERNOON AT
MADISON SOUTH DAKOTA IN LAKE COUNTY..OR 30 MILES NORTH
NORTHWEST OF SIOUX FALLS.
THEOPHILUSSpecial weather statement, Jun 21, 9:54 PM CDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 950 PM CDT SAT JUN 21 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF EASTERN SOUTH DAKOTA UNTIL 300 AM CDT SUN JUNE 22... AT 935 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED OVER SOUTHERN LAKE AND EASTERN MCCOOK COUNTIES. HAIL..STRONG WINDS..AND HEAVY RAIN ARE POSSIBLE WITH THESE THUNDERSTORMS. LOCALLY HEAVY RAINS MAY CAUSE SMALL STREAM AND LOWLAND FLOODING. THESE THUNDERSTORMS WERE MOVING EAST AT 15 MILES AN HOUR. OTHERWISE..THUNDERSTORMS WITH HEAVY RAIN WERE OVER CENTRAL SOUTH DAKOTA IN A 50 MILE WIDE AREA FROM 60 MILES NORTHWEST OF PIERRE TO THE NEBRASKA BORDER 30 MILES SOUTHWEST OF WINNER. THESE THUNDERSTORMS EXTENDED INTO NORTHERN NEBEASKA..AND THE STRONGEST STORMS IN THIS AREA WERE ABOUT TO MOVE INTO GREGORY AND TRIPP COUNTIES. MOVEMENT OF THESE STORMS WAS EASTNORTHEAST AT 15 MILES AN HOUR. KRAUSE/MORRIS
Special weather statement, Jun 21, 10:42 PM CDT, 1 hour 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1043 PM CDT SAT JUN 21 1986 .... SEVERE THUNDERSTORM WATCH TILL 3 AM.... AT 1035 PM CDT RADAR SHOWED AN LINE OF THUNDERSTORMS AND RAINSHOWERS OVER CENTRAL NEBRASKA EXTENDING UP INTO SOUTH DAKTOA. THE LINE WAS LOCATED FROM ABOUT HURON SOUTH DAKATOA TO NORTH OF GRAND ISLAND NEBRASKA. THIS LINE OF THUNDERSTORMS WAS MOVING EAST AT 30 MILES AN HOUR. NO OTHER THUNDERSTORMS WERE IN OR CXLOSE TO THE SIOUXLAND AREA AT THIS TIME. TANNER
Special weather statement, Jun 21, 11:15 PM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1115 PM CDT SAT JUN 21 1986 .... SEVERE THUNDERSTORM WATCH TILL 3 AM.... AT 1105 PM CDT RADAR SHOWED AN LINE OF STRONG THUNDERSTORMS AND SHOWERS OVER EASTERN NEBRASKA EXTENDING UP INTO SOUTHEAST SOUTH DAKOTA. THE LINE WAS LOCATED FROM SIOUX FALLS SOUTH DAKATOA TO GRAND ISLAND NEBRASKA. THIS LINE OF THUNDERSTORMS WAS MOVING EAST AT 30 MILES AN HOUR. NO OTHER THUNDERSTORMS WERE IN OR CLOSE TO THE SIOUXLAND AREA AT THIS TIME. TANNER
Local storm report, Jun 21, 11:48 PM CDT, 47 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1135 PM CDT SAT JUN 21 1986
934 PM CDT PEA SIZE HAIL..HEAVY RAIN AND GUSTS TO 30 MPH AT
BALTIC..MINNEHAHA COUNTY.
1000 PM CDT WATER OVER HIGHWAY 77 IN SOUTHERN MOODY COUNTY.
1015 PM CDT TREE LIMBS UP TO 4 INCHES IN DIAMETER BROKEN OFF EAST
OF GARRETSON.
1100 PM CDT 2.30 INCHES OF RAIN AT CHESTER..LAKE COUNTY..IN SEVERAL
HOURS
1100 PM CDT PEA SIZE HAIL AND VERY HEAVY RAIN IN SOUTHERN MOODY
COUNTY.
1105 PM CDT 40 MPH WINDS AND HEAVY RAIN AT LUVERNE MN.
1110 PM CDT 30 TO 35 MPH WINDS IN GREGORY COUNTY.
WEILANDNearby
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.