Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 66, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 1989, 5:10 PM CDT for 4 counties in Minnesota. It was in force for 50 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
- Aug 4, 1989, 5:10 PM CDT (22:10 UTC)
- Expired
- Aug 4, 1989, 6:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Dodge County, MN, Goodhue County, MN, Rice County, MN, Steele 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 |
|---|---|---|---|
| Aug 4, 5:15 PM CDT | Hail 2.5 | Dodge, 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 12:00Z, 10.2 hours before the alert went out and 85 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
- 679 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1471 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KRST 042215
SVRRST
MNC131-147-039-049-157-042300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
510 PM CDT FRI AUG 4 1989
THE NATIONAL WEATHER SERVICE IN ROCHESTER HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL MINNESOTA
...SOUTHEASTERN RICE...NORTHEASTERN STEELE
IN SOUTHEAST MINNESOTA
...NORTHERN DODGE...GOODHUE...WABASHA
THIS WARNING INCLUDES THE TOWNS OF KENYON...WEST CONCORD...
ZUMBROTA AND ZUMBRO FALLS MINNESOTA.
AT 500 PM CDT RADAR INDICATED SEVERE THUNDERSTORMS 18 MILES
NORTH OF ROCHESTER NEAR ZUMBRO FALLS AND 33 MILES NORTHWEST
OF ROCHESTER NEAR MOLAND.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO WARNING. GO TO A SAFE PLACE
IMMEDIATELY.
A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR PARTS OF
SOUTH \CENTRAL AND SOUTHEAST MINNESOTA UNTIL 1100 PM CDT
THIS EVENING.
DE/STThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 1:51 AM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 39 min |
| Aug 4, 4:26 PM CDT | Severe Thunderstorm Warning | MPX | Steele, Waseca | 49 min |
| Aug 4, 5:10 PM CDT | Severe Thunderstorm Warning | MPX | Wabasha | 50 min |
| Aug 4, 5:24 PM CDT | Severe Thunderstorm Warning | MPX | Fillmore, Houston | 66 min |
| Aug 4, 5:34 PM CDT | Severe Thunderstorm Warning | MPX | Dodge, Olmsted | 56 min |
| Aug 4, 6:21 PM CDT | Severe Thunderstorm Warning | MPX | Olmsted, Winona | 39 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1989Every severe thunderstorm warning in 1989
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.