Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 172, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 25, 1997, 3:49 AM CDT for Rice County, Minnesota. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1997, 3:49 AM CDT (08:49 UTC)
- Expired
- Jul 25, 1997, 4:35 AM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Rice County, MN
The radar
The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 08:51 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 25, 3:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 8.8 hours before the alert went out and 60 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
- 870 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 250850 RRA
SVRMSP
MNC131-250935-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
349 AM CDT FRI JUL 25 1997
* SEVERE THUNDERSTORM WARNING FOR
RICE COUNTY - SOUTH CENTRAL MINNESOTA
* UNTIL 435 AM CDT
* SOME LOCATIONS AFFECTED
LONSDALE
NORTHFIELD
DUNDAS
FARIBAULT
* AT 347 AM CDT DOPPLER RADAR INDICATED A SEVERE STORM BETWEEN
MONTGOMERY TO LE CENTER. THE STORM WAS MOVING SOUTHEAST AT 40
MPH.
THIS IS A DANGEROUS STORM...WITH DAMAGING WINDS. STAY INDOORS AWAY
FROM WINDOWS.
JVMThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 1:01 AM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 49 min |
| Jul 25, 1:33 AM CDT | Tornado Warning | MPX | Yellow Medicine | 32 min |
| Jul 25, 2:04 AM CDT | Severe Thunderstorm Warning | MPX | Renville | 46 min |
| Jul 25, 2:07 AM CDT | Severe Thunderstorm Warning | MPX | Redwood | 48 min |
| Jul 25, 2:23 AM CDT | Tornado Warning | MPX | Renville | 32 min |
| Jul 25, 2:26 AM CDT | Flash Flood Warning | MPX | Blue Earth, Faribault, Freeborn, Le Sueur, Steele, Waseca | 4 hr |
| Jul 25, 2:26 AM CDT | Flash Flood Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 4 hr |
| Jul 25, 2:26 AM CDT | Flash Flood Warning | MPX | Martin, Watonwan | 4 hr |
| Jul 25, 2:28 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 62 min |
| Jul 25, 2:34 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 61 min |
| Jul 25, 2:56 AM CDT | Tornado Warning | MPX | McLeod | 34 min |
| Jul 25, 3:03 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Scott | 47 min |
| Jul 25, 3:16 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 44 min |
| Jul 25, 4:15 AM CDT | Flash Flood Warning | MPX | Dakota, Goodhue, Rice, Scott | 4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.