Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 75, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 1997, 3:06 AM CDT for McLeod County, Renville County, Sibley County, Minnesota. It was in force for 54 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 29, 1997, 3:06 AM CDT (08:06 UTC)
- Expired
- Jun 29, 1997, 4:00 AM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties McLeod County, MN, Renville County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 74 km from the middle of the area, began a volume at 08:05 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 29, 3:20 AM CDT | Hail 0.88 | Stewart, MN | |
| Jun 29, 3:30 AM CDT | Hail 1 | Lakeside, 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 8.1 hours before the alert went out and 71 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.
480
WUUS1 KMSP 290807 RRA
SVRMSP
MNC085-129-143-290900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
306 AM CDT SUN JUN 29 1997
* SEVERE THUNDERSTORM WARNING FOR
MCLEOD COUNTY - CENTRAL MINNESOTA
EASTERN RENVILLE COUNTY - SOUTH CENTRAL MINNESOTA
WESTERN SIBLEY COUNTY - SOUTH CENTRAL MINNESOTA
* UNTIL 400 AM CDT
* SOME LOCATIONS AFFECTED
HECTOR
HUTCHINSON
BROWNTON
GIBBON
* AT 305 AM CDT DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
HAIL NEAR HECTOR...OR 24 MILES NORTHEAST OF REDWOOD FALLS. THE
STORM WAS MOVING EAST AT 30 MPH.
THIS IS A DANGEROUS STORM...WITH LARGE HAIL. STAY INDOORS 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, 9:39 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 51 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 |
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.