Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 19, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 22, 1997, 8:06 PM CDT for Watonwan County, Minnesota. It was in force for 49 min. 2 reports 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
- Jun 22, 1997, 8:06 PM CDT (01:06 UTC)
- Expired
- Jun 22, 1997, 8:55 PM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 128 km from the middle of the area, began a volume at 01:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 8:11 PM CDT | Hail 1.75 | Butterfield, MN | 15,000 acres damaged by hail. |
| Jun 22, 8:20 PM CDT | Thunderstorm Wind 52 | St James, MN | Measured by local radio station. |
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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 5:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.1 hours before the alert went out and 126 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
- 1565 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1227 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 388 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
691
WUUS1 KMSP 230108 RRA
SVRMSP
MNC165-230155-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
806 PM CDT SUN JUN 22 1997
* SEVERE THUNDERSTORM WARNING FOR
WATONWAN COUNTY - SOUTH CENTRAL MINNESOTA
* UNTIL 855 PM CDT
* SOME LOCATIONS AFFECTED
BUTTERFIELD
ODIN
ORMSBY
ECHOLS
* AT 805 PM CDT DOPPLER RADAR INDICATED A SEVERE STORM BETWEEN
BUTTERFIELD AND ODIN OR 25 MILES NORTHWEST OF FAIRMONT. THE
STORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR..
THIS IS A DANGEROUS STORM...WITH LARGE HAIL. STAY INDOORS AWAY
FROM WINDOWS.
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
DMEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 7:15 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 60 min |
| Jun 22, 8:17 PM CDT | Tornado Warning | MPX | Watonwan | 48 min |
| Jun 22, 8:44 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault | 61 min |
| Jun 22, 8:56 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 34 min |
| Jun 22, 9:06 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 44 min |
| Jun 22, 9:06 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 59 min |
| Jun 22, 11:51 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 69 min |
| Jun 23, 12:47 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 63 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.