Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 112, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 19, 1986, 2:55 AM CDT for Dixon County, Nebraska. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1986, 2:55 AM CDT (07:55 UTC)
- Expired
- Jul 19, 1986, 4:00 AM CDT
- In force
- 65 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Dixon 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
Omaha, NE (KOAX), launched 00:00Z, 7.9 hours before the alert went out and 137 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
- 3622 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 131 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 190758 SVRSUX NEC051-190900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX CITY IA 255 AM CDT SAT JUL 19 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHEAST NEBRASKA...NORTHERN DIXON AT 245 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF HARTINGTON NEBRASKA..50 MILES WEST OF SIOUX CITY. THIS STORM IS MOVING EAST AT 40 MILES AN HOUR AND SHOULD REACH THE CITY OF NEWCASTLE NEBRASKA IN NORTHERN DIXON COUNTY BY 330 AM THIS MORNING. 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. TANNER
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, Jul 18, 9:47 PM CDT, 5 hours 8 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 945 PM CDT FRI JUL 18 1986 SCATTERED THUNDERSTORMS WITH HEAVY RAIN..AND AN ISOLATED INTENSE THUNDERSTORM WITH VERY HEAVY RAIN..CONTINUED IN NORTH CENTRAL AND NORTHEASTERN SOUTH DAKOTA. THESE ALSO EXTENDED INTO SOUTHERN NORTH DAKOTA AND WESTERN MINNESOTA. THE STRONGEST STORM WAS 25 MILES SOUTHEAST OF MOBRIDGE. HAIL..GUSTY WINDS..AND FREQUENT LIGHTNING STRIKES ARE POSSIBLE WITH THIS STORM. OTHERWISE..THE THUNDERSTORMS WERE ALONG AND 30 MILES EITHER SIDE OF THE MISSOURI RIVER..FROM 35 MILES NORTH OF PIERRE TO THE NORTH DAKOTA BORDER. IN NORTHEASTERN SOUTH DAKOTA..THE THUNDERSTORMS WERE EAST OF A LINE FROM WATERTOWN TO THE NORTH DAKOTA BORDER 55 MILES NORTHEAST OF ABERDEEN. THUNDERSTORMS SHOULD CONTINUE THIS EVENING OVER PARTS OF SOUTH DAKOTA. HAIL..STRONG WINDS..AND FREQUENT LIGHTNING STRIKES ARE POSSIBLE IN SOME OF THESE THUNDERSTORMS. HEAVY RAINS MAY CAUSE SMALL STREAM..LOWLAND..AND URBAN FLOODING. PERSONS IN THESE AREAS SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE PROTECTIVE ACTIONS. KRAUSE/STOREY
Special weather statement, Jul 18, 10:45 PM CDT, 4 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 1045 PM CDT FRI JUL 18 1986 NUMEROUS THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN.. CONTINUED OVER CENTRAL AND NORTHEASTERN SOUTH DAKOTA. ONE OF THE STRONGEST STORMS WAS 25 MILES NORTHEAST OF PIERRE.. NEAR ONIDA. ANOTHER STRONG STORM WAS 20 MILES NORTHEAST OF PHILIP. ANOTHER INTENSE THUNDERSTORM WAS 20 MILES EAST OF WATERTOWN. HAIL..STRONG WINDS..FREQUENT LIGHTNING STRIKES..AND VERY HEAVY RAINS ARE POSSIBLE WITH THESE STORMS. OTHERWISE..SCATTERED THUNDERSTORMS CONTINUED IN CENTRAL SOUTH DAKOTA..NORTH OF A LINE FROM LEMMON..TO PHILIP.. TO PIERRE..TO THE DAKOTA BORDER NORTH OF ABERDEEN. THESE ALSO EXTENDED INTO SOUTHERN NORTH DAKOTA. IN NORTHEASTERN SOUTH DAKOTA..THE THUNDERSTORMS WERE FROM 15 MILES SOUTH OF WATERTOWN..TO THE MINNESOTA BORDER NORTHEAST OF WATERTOWN. THESE STORMS ALSO EXTENDED INTO WEST CENTRAL MINNESOTA. THUNDERSTORMS WILL CONTINUE OVER PARTS OF SOUTH DAKOTA THIS EVENING. SMALL HAIL..GUSTY WINDS..AND FREQUENT LIGHTNING STRIKES ARE POSSIBLE IN SOME OF THESE THUNDERSTORMS. HEAVY RAINS MAY CAUSE SMALL STREAM..LOWLAND..AND URBAN FLOODING. PERSONS IN THESE AREAS SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE PROTECTIVE ACTIONS. KRAUSE/STOREY
Special weather statement, Jul 18, 11:45 PM CDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 1145 PM CDT FRI JUL 18 1986 AT 1135 PM CDT...NUMEROUS THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN..CONTINUED OVER CENTRAL AND EASTERN SOUTH DAKOTA. THESE ALSO EXTENDED INTO WESTERN MINNESOTA AND SOUTHERN NORTH DAKOTA. IN SOUTH DAKOTA..THE STRONGEST STORMS WERE 35 MILES NORTH OF PIERRE..AND ALSO 20 MILES SOUTHWEST OF PIERRE. SMALL HAIL..STRONG WINDS..FREQUENT LIGHTNING STRIKES.. AND VERY HEAVY RAINS ARE POSSIBLE WITH THESE STORMS. OTHERWISE..SCATTERED THUNDERSTORMS WERE NORTH OF A LINE FROM 30 MILES NORTHWEST OF MOBRIDGE..TO 40 MILES SOUTH OF PIERRE..TO THE NORTH DAKOTA BORDER NORTH OF ABERDEEN. IN EASTERN SOUTH DAKOTA..THE THUNDERSTORMS WERE EAST OF A LINE FROM 35 MILES SOUTHWEST OF SIOUX FALLS..TO WATERTOWN. THESE STORMS EXTENDED INTO WESTERN MINNESOTA..WHERE THE STRONGEST STORM WAS NEAR MONTEVIDEO. ALL MOVEMENT WAS EAST AT 25 MILES AN HOUR. THUNDERSTORMS WILL CONTINUE OVER PARTS OF SOUTH DAKOTA THIS EVENING. SMALL HAIL..GUSTY WINDS..AND FREQUENT LIGHTNING STRIKES ARE POSSIBLE IN SOME OF THESE THUNDERSTORMS. HEAVY RAINS MAY CAUSE SMALL STREAM..LOWLAND..AND URBAN FLOOD ING. PERSONS IN THESE AREAS SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE PROTECTIVE ACTIONS. KRAUSE/STOREY
Special weather statement, Jul 19, 12:40 AM CDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 1240 AM CDT SAT JUL 19 1986 AT 1230 AM CDT...NUMEROUS THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN..CONTINUED OVER CENTRAL SOUTH DAKOTA AND WESTERN MINNESOTA. THE STRONGEST STORMS WERE IN A 25 MILE WIDE BAND FROM 50 MILES NORTHEAST OF PIERRE TO 30 MILES SOUTH OF PIERRE. HAIL..STRONG WINDS..FREQUENT LIGHTNING AND VERY HEAVY RAINS ARE POSSIBLE WITH THESE STORMS. OTHERWISE..SCATTERED THUNDERSTORMS AND RAINSHOWERS WERE IN A 80 MILE WIDE AREA FROM 40 MILES NORTH OF MOBRIDGE TO 40 MILES SOUTH OF PIERRE. ALL MOVEMENT WAS EAST-NORTHEAST AT 35 MILES AN HOUR. PRESTON/MORRIS
Special weather statement, Jul 19, 1:40 AM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 139 AM CDT SAT JUL 19 1986 AT 130 AM CDT...NUMEROUS THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN..CONTINUED OVER A LARGE PART OF CENTRAL AND EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHEAST NEBRASKA. THE STRONGEST STORMS EXTENDED FROM 40 MILES SOUTHWEST TO 35 MILES SOUTHEAST OF PIERRE. ALSO...STRONG STORMS EXTENDED FROM 50 MILES SOUTHWEST OF- SIOUX FALLS SOUTH DAKOTA TO REDWOOD FALLS MINNESOTA. THESE STORMS ARE CAPABLE OF PRODUCING STRONG WINDS.. HAIL..AND FREQUENT LIGHTNING. ALL MOVEMENT WAS EAST AT 35 MILES AN HOUR. PRESTON/MORRIS
Special weather statement, Jul 19, 2:38 AM CDT, 17 minutes before
KHON 190737 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 236 AM CDT SAT JUL 19 1986 AT 232 AM CDT...NUMEROUS THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN..CONTINUED OVER A LARGE PART OF CENTRAL AND EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHEAST NEBRASKA. THE STRONGEST STORMS WERE 15 MILES WEST OF YANKTON AND 40 MILES SOUTH OF PIERRE ALONG THE WHITE RIVER. THESE STORMS ARE CAPABLE OF PRODUCING STRONG WINDS..HAIL AND FREQUENT LIGHTNING. THUNDERSTORMS IN NORTHEAST SOUTH DAKOTA WERE MOVING EAST AT 30 MILES AN HOUR. IN SOUTHEAST SOUTH DAKOTA THUNDERSTORMS WERE MOVING EAST AT 45 MILES AN HOUR. PRESTON
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.