Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 183, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 1997, 8:52 PM CDT for Kandiyohi County, Pope County, Minnesota. It was in force for 38 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 2, 1997, 8:52 PM CDT (01:52 UTC)
- Expired
- Aug 2, 1997, 9:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Kandiyohi County, MN, Pope County, MN
The radar
The Minneapolis radar (KMPX), 142 km from the middle of the area, began a volume at 01:56 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 |
|---|---|---|---|
| Aug 2, 9:05 PM CDT | Thunderstorm Wind 61 | New London, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 2, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.9 hours before the alert went out and 140 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
- 1589 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1478 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 030152 RRA
SVRMSP
MNC067-121-030230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
852 PM CDT SAT AUG 2 1997
* SEVERE THUNDERSTORM WARNING FOR
NORTHWESTERN KANDIYOHI COUNTY - CENTRAL MINNESOTA
SOUTHEASTERN POPE COUNTY - WEST CENTRAL MINNESOTA
* UNTIL 930 PM CDT
* SOME LOCATIONS AFFECTED
TERRACE
SUNBURG
SEDAN
* AT 850 PM CDT DOPPLER RADAR INDICATED A SEVERE STORM WIlTH LARGE
HAIL AND DAMAGING WINDS NEAR TERRACE OR 40 MILES NORTHWEST OF
WILLMAR. THE STORM WAS MOVING SOUTHEAST 30 MPH.
THIS IS A DANGEROUS STORM...WITH LARGE HAIL. STAY INDOORS AWAY
FROM WINDOWS.
HOWIESONThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 7:11 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 49 min |
| Aug 2, 7:27 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 33 min |
| Aug 2, 7:44 PM CDT | Severe Thunderstorm Warning | MPX | Swift | 61 min |
| Aug 2, 8:23 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 52 min |
| Aug 2, 8:29 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne, Stearns | 61 min |
| Aug 2, 8:56 PM CDT | Tornado Warning | MPX | Wright | 34 min |
| Aug 2, 9:10 PM CDT | Tornado Warning | MPX | Sherburne | 35 min |
| Aug 2, 9:20 PM CDT | Flash Flood Warning | MPX | Anoka, Hennepin | 55 min |
| Aug 2, 9:20 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 55 min |
| Aug 2, 9:44 PM CDT | Tornado Warning | MPX | Meeker, Wright | 46 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.