Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 106, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 15, 1986, 10:04 AM CDT for Murray County, Minnesota. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1986, 10:04 AM CDT (15:04 UTC)
- Expired
- Jul 15, 1986, 11:00 AM CDT
- In force
- 56 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Murray County, MN
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
Minneapolis, MN (KSTC), launched 12:00Z, 3.1 hours before the alert went out and 195 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
- NaN m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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
Special weather statement, Jul 15, 4:39 AM CDT, 5 hours 25 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 438 AM CDT TUE JUL 15 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF NORTH CENTRAL AND NORTHEAST SOUTH DAKOTA UNTIL 6 AM CDT... AT 438 AM CDT... THERE WERE ISOLATED INTENSE THUNDERSTORMS WITH VERY HEAVY RAIN IN NORTHCENTRAL AND NORTHEASTERN SOUTH DAKOTA. THE STRONGEST THUNDERSTORM WAS 35 MILES SOUTHWEST OF ABERDEEN NEAR NORBECK. ANOTHER INTENSE THUNDERSTORM WAS 30 MILES NORTHEAST OF ABERDEEN...NEAR LANGFORD. THESE STORMS MAY PRODUCE HAIL ALONG WITH STRONG GUSTY WIND. OTHERWISE...THERE WERE SCATTERED THUNDERSTORMS WITH HEAVY RAIN IN NORTH CENTRAL AND NORTHEAST SOUTH DAKOTA. THUNDERRSTORMS WERE EAST OF A LINE FROM 30 MILES NORTHEAST OF MOBRIDGE TO NEAR WINNER. THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. PRESTON
Special weather statement, Jul 15, 5:37 AM CDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 535 AM CDT TUE JUL 15 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF NORTH CENTRAL AND NORTHEAST SOUTH DAKOTA UNTIL 6 AM CDT... AT 535 AM CDT... THERE WERE SCATTERED INTENSE THUNDERSTORMS WITH VERY HEAVY RAIN IN NORTHEAST SOUTH DAKOTA EXTENDING INTO SOUTHEAST NORTH DAKOTA AND WESTERN MINNESOTA. THESE STORMS MAY PRODUCE HAIL AND STRONG GUSTY W'IND. THUNDERSTORMS WERE NORTHEAST OF A LINE FROM 30 MILES SOUTHEAST OF MOBRIDGE TO NEAR WATERTOWN. THE STRONGEST STORM WAS 40 MILES NORTHWEST OF WATERTOWN NEAR WEBSTER. THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. PRESTON
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 8:59 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 61 min |
| Jul 15, 10:04 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Nobles | 56 min |
| Jul 15, 11:01 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson | 29 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.