Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 136, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 16, 1997, 11:07 PM CDT for Dakota County, Minnesota. It was in force for 53 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
- Jul 16, 1997, 11:07 PM CDT (04:07 UTC)
- Expired
- Jul 17, 1997, 12:00 AM CDT
- In force
- 53 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Dakota County, MN
The radar
The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 04:10 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 |
|---|---|---|---|
| Jul 16, 11:58 PM CDT | Hail 1.75 | Farmington, 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, 4.1 hours before the alert went out and 47 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
- 2132 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1981 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
053
WUUS1 KMSP 170410 RRA
SVRMSP
MNC037-170500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1107 PM CDT WED JUL 16 1997
* SEVERE THUNDERSTORM WARNING FOR
DAKOTA COUNTY - EAST CENTRAL MINNESOTA
* UNTIL 1200 AM CDT
* SOME LOCATIONS AFFECTED
HAMPTON
VERMILLION
HASTINGS
MIESVILLE
* AT 1108 PM CDT DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
HAIL AND DAMAGING WINDS JUST EAST OF FARMINGTON...OR 20 MILES
SOUTH OF ST PAUL. THE STORM WAS MOVING SLOWLY EAST AT 10 MPH.
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
TDKWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 16, 6:35 PM CDT, 4 hours 32 minutes before
WIZ014>016-025-027-028-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHANHASSEN/TWIN CITIES MN 635 PM CDT WED JUL 16 1997 SEVERE THUNDERSTORM WATCH NUMBER 612 HAS BEEN CANCELLED FOR WEST CENTRAL WISCONSIN. THUNDERSTORMS MAY AGAIN DEVELOP LATER TONIGHT ACROSS THE REGION.
Special weather statement, Jul 16, 6:42 PM CDT, 4 hours 25 minutes before
WIZ014>016-025-027-028-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHANHASSEN/TWIN CITIES MN 635 PM CDT WED JUL 16 1997 SEVERE THUNDERSTORM WATCH NUMBER 612 HAS BEEN CANCELLED FOR WEST CE>NTRAL WISCONSIN. THUNDERSTORMS MAY AGAIN DEVELOP LATER TONIGHT ACROSS THE REGION.
Special weather statement, Jul 16, 7:20 PM CDT, 3 hours 47 minutes before
MNZ074>078-082>085-091>093-170130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHANHASSEN/TWIN CITIES MN 720 PM CDT WED JUL 16 1997 ...TORNADO WATCH CANCELLED FOR SOUTH CENTRAL MINNESOTA... TORNADO WATCH NUMBER 614 HAS BEEN CANCELLED FOR A PORTION OF SOUTH CENTRAL MINNESOTA. THUNDERSTORMS MAY DEVELOP LATER TONIGHT...SOME OF WHICH COULD BE SEVERE.
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 10:52 PM CDT | Severe Thunderstorm Warning | MPX | Stevens | 53 min |
| Jul 16, 11:13 PM CDT | Severe Thunderstorm Warning | MPX | Swift | 62 min |
| Jul 16, 11:47 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 58 min |
| Jul 16, 11:58 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 62 min |
| Jul 17, 12:08 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 52 min |
| Jul 17, 12:17 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 58 min |
| Jul 17, 12:33 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Wright | 57 min |
| Jul 17, 12:40 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 65 min |
| Jul 17, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 65 min |
| Jul 17, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Washington | 65 min |
| Jul 17, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 65 min |
| Jul 17, 1:00 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 60 min |
| Jul 17, 1:12 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 48 min |
| Jul 17, 1:29 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 61 min |
| Jul 17, 1:41 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 49 min |
| Jul 17, 1:51 AM CDT | Severe Thunderstorm Warning | MPX | Carver | 54 min |
| Jul 17, 1:58 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Scott | 62 min |
| Jul 17, 2:26 AM CDT | Flash Flood Warning | MPX | Dakota, Hennepin, Ramsey | 3 hr |
| Jul 17, 2:34 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Ramsey, Washington | 56 min |
| Jul 17, 2:55 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 65 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.