Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 179, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 1997, 7:27 PM CDT for Pope County, Minnesota. It was in force for 33 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, 7:27 PM CDT (00:27 UTC)
- Expired
- Aug 2, 1997, 8:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Pope County, MN
The radar
The Minneapolis radar (KMPX), 168 km from the middle of the area, began a volume at 00:30 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, 7:35 PM CDT | Thunderstorm Wind 55 | Glenwood, MN | Power poles down. Estimated windspeed. |
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, 0.5 hours before the alert went out and 166 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.
093
WUUS1 KMSP 030028 RRA
SVRMSP
MNC121-030100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
727 PM CDT SAT AUG 2 1997
* SEVERE THUNDERSTORM WARNING FOR
POPE COUNTY - WEST CENTRAL MINNESOTA
* UNTIL 800 PM CDT
* SOME LOCATIONS AFFECTED
RURAL AREAS BETWEEN STARBUCK AND TERRACE
* AT 727 PM CDT DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
HAIL AND DAMAGING WINDS NEAR STARBUCK OR 25 MILES SOUTH OF
ALEXANDRIA. THE STORM WAS MOVING SOUTHEAST AT 20 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, 7:44 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, 8:52 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope | 38 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.