Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 108, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 1986, 7:06 PM CDT for Kandiyohi County, Minnesota. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1986, 7:06 PM CDT (00:06 UTC)
- Expired
- Jul 18, 1986, 8:00 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Kandiyohi 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 00:00Z, 0.1 hours before the alert went out and 115 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
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 18, 1:12 PM CDT, 5 hours 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 110 PM CDT FRI JUL 18 1986 ...HOT AND HUMID WEATHER CONTINUES OVER SOUTHERN MINNESOTA TODAY... TEMPERTURES IN SOUTHERN MINNESOTA WILL BE IN THE UPPER 80S TO LOWER 90S THIS AFTERNOON PUSHING THE APPARENT TEMPERATURE...OR HEAT INDEX...TO BETWEEN 95 AND 105 DEGREES..WITH ISOLATED READINGS SLIGHTLY ABOVE THE 105 DEGREE MARK. THE APPARENT TEMPERATURE...OR HEAT INDEX...IS A MEASURE OF THE CONTRIBUTION HUMIDITY MAKES WITH HIGH TEMPERATURES TO REDUCE THE HUMAN BODYS ABILITY TO COOL ITSELF. THERE COULD BE..SLIGHT..RELIEF ON SATURDAY...BUT IN GENERAL THE WARM AND HUMID AIR IS EXPECTED BE AROUND UNTIL SUNDAY...WHEN COOLER AIR IS EXPECTED TO PUSH IN FROM THE NORTHWEST. THOSE PEOPLE WHO ARE WORKING OUT OF DOORS...THOSE LIVING IN UNAIRCONDITIONED SPACES...THE ELDERLY...AND PEOPLE IN POOR HEALTH SHOULD TAKE PRECAUTIONS AS PROLONGED EXPOSURE TO THESE CONDITIONS CAN LEAD _TO HEAT EXHAUSTION OR POSSIBLE HEAT STROKE. WILLIS
Special weather statement, Jul 18, 5:30 PM CDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 530 PM CDT FRI JUL 18 1986. ...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL MINNESOTA UNTIL 10 PM CDT... ...SEVERE THUNDERSTORM WARNING FOR SHERBURNE UNTIL 6 PM CDT AT 5 30 PM CDT RADAR SHOWED THE STRONGEST STORM IN EXTREME SOUTHERN MILLE LACS COUNTY AND EASTERN SHERBURNE COUTNY MOVING EAST AT 25 MPH. 1/2 INCH HAIL AND WINDS OF 50 TO 55 MPH HAVE BEEN REPORTED FROM THESE STORMS rBY THE PRINCETON RADIO STATION AT 520 PM CDT RUBIN/NISTLER
Special weather statement, Jul 18, 5:50 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 550 PM CDT FRI JUL 18 1986. ...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL MINNESOTA UNTIL 10 PM CDT... ...SEVERE THUNDERSTORM WARNING FOR SHERBURNE UNTIL 6 PM CDT HAS BEEN CANCELED... AT 5 50 PM CDT RADAR SHOWED THE STRONG THUNDERSTORMS HAVE MOVED EAST OF SHERBURNE COUNTY. 1/2 INCH HAIL AND WINDS OF 50 TO 55 MPH HAD BEEN REPORTED FROM THESE STORMS BY THE PRINCETON RADIO STATION AT 520 PM CDT RUBIN/NISTLER
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 | Carver, Hennepin | 60 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; the sounding from the Mesonet's radiosonde archive.