Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 70, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 28, 1997, 9:39 PM CDT for Renville County, Minnesota. It was in force for 51 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 28, 1997, 9:39 PM CDT (02:39 UTC)
- Expired
- Jun 28, 1997, 10:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Renville County, MN
The radar
The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 02:42 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 28, 9:49 PM CDT | Hail 0.75 | Hector, MN | |
| Jun 28, 9:54 PM CDT | Hail 1.25 | Buffalo Lake, MN | Hail covered ground. Significant crop damage. |
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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.7 hours before the alert went out and 107 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
- 947 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 290239 RRA
SVRMSP
MNC129-290330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
939 PM CDT SAT JUN 28 1997
* SEVERE THUNDERSTORM WARNING FOR
RENVILLE COUNTY - SOUTH CENTRAL MINNESOTA
* UNTIL 1030 PM CDT
* SOME LOCATIONS AFFECTED
OLIVIA
BIRD ISLAND
HECTOR
BUFFALO LAKE]
* AT 935 PM CDT DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
HAIL AND GUSTY WINDS JUST EAST OF OLIVIA OR 20 MILES NORTHEAST OF
REDWOOD FALLS. THE STORM WAS MOVING EAST AT 25 MPH.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.
MCBEATH PETERSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:13 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville | 47 min |
| Jun 28, 8:22 PM CDT | Severe Thunderstorm Warning | MPX | Renville, Sibley | 38 min |
| Jun 28, 9:17 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 58 min |
| Jun 28, 10:18 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 57 min |
| Jun 28, 10:23 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 52 min |
| Jun 28, 11:54 PM CDT | Flash Flood Warning | MPX | McLeod | 3 hr |
| Jun 29, 12:16 AM CDT | Severe Thunderstorm Warning | MPX | McLeod | 44 min |
| Jun 29, 1:14 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns | 61 min |
| Jun 29, 2:47 AM CDT | Flash Flood Warning | MPX | McLeod | 2 hr |
| Jun 29, 3:06 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 54 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.