Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 113, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 1986, 1:15 AM CDT for Carver County, Hennepin County, Minnesota. It was in force for 60 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
- Jul 19, 1986, 1:15 AM CDT (06:15 UTC)
- Expired
- Jul 19, 1986, 2:15 AM CDT
- In force
- 60 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Carver County, MN, Hennepin County, MN
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 |
|---|---|---|---|
| Jul 19, 1:16 AM CDT | Thunderstorm Wind 52 | Hennepin, MN |
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
Minneapolis, MN (KSTC), launched 00:00Z, 6.3 hours before the alert went out and 8 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
- 235 J/kg
- Mixed-layer CIN
- -264 J/kg
- Mixed-layer LCL
- 1882 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 190615 SVRMSP MNC019-053-003-059-190715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 115 AM CDT SAT JUL 19 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF EAST CENTRAL MINNESOTA...NORTHERN CARVER...HENNEPIN...ANOKA AND ISANTI AT 110 AM SEVERE THUNDERSTORMS WERE INDICATED BY RADAR OVER WRIGHT...SHERBURNE...AND MILLE LACS COUNTIES OF EAST CENTRAL MINNESOTA. THESE STORMS ARE MOVING EAST AT 35 MILES AN HOUR AND ARE CAPABLE OF PRODUCING STRONG DAMAGING WINDS. REMEMBER SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS..LARGE HAIL (AND FREQUENT LIGHTNING STRIKES. ALSO SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO 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. MILLER
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:06 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 54 min |
| Jul 19, 12:42 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Sherburne | 48 min |
| Jul 19, 12:42 AM CDT | Severe Thunderstorm Warning | MPX | Isanti | 48 min |
| Jul 19, 12:42 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 48 min |
| Jul 19, 1:15 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti | 60 min |
| Jul 19, 1:32 AM CDT | Severe Thunderstorm Warning | MPX | Washington | 58 min |
| Jul 19, 1:32 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 58 min |
| Jul 19, 1:32 AM CDT | Severe Thunderstorm Warning | MPX | Ramsey | 58 min |
| Jul 19, 2:09 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 51 min |
| Jul 19, 2:51 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 54 min |
| Jul 19, 5:43 AM CDT | Severe Thunderstorm Warning | MPX | Fillmore, Houston, Winona | 47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.