Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 117, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 17, 1997, 2:08 AM CDT for Wabasha County, Minnesota; Buffalo County, Wisconsin. It was in force for 62 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
- Jul 17, 1997, 2:08 AM CDT (07:08 UTC)
- Expired
- Jul 17, 1997, 3:10 AM CDT
- In force
- 62 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
Counties Wabasha County, MN, Buffalo County, WI
The radar
The La Crosse radar (KARX), 85 km from the middle of the area, began a volume at 07:12 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 17, 2:28 AM CDT | Hail 0.75 | Kellogg, MN | |
| Jul 17, 2:29 AM CDT | Hail 0.75 | Alma, WI |
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 |
|---|---|---|---|
| Jul 17, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.1 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
- 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.
812
WUUS1 KLSE 170711 RRA
SVRLSE
MNC157-WIC011-170810-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
208 AM CDT THU JUL 17 1997
* SEVERE THUNDERSTORM WARNING FOR
BUFFALO COUNTY - WEST CENTRAL WISCONSIN
EASTERN WABASHA COUNTY - SOUTHEASTERN MINNESOTA
* UNTIL 310 AM CDT
* SOME LOCATIONS AFFECTED
ALMA
KELLOGG
WEAVER
* AT 210 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM OVER WABASHA. THE STORM WAS MOVING SOUTHEAST
AT 10 MPH.
* THE STORM WILL BE NEAR COCHRANE BY 220 AM.
THE MAIN THREAT FROM THIS STORM IS LARGE HAIL. DO NOT GO OUTDOORS.
RIECK/THOMPSONWhat 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.
NWS La Crosse, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 17, 1:15 AM CDT, 53 minutes earlier.
Area forecast discussion, Jul 17, 1:15 AM CDT, 53 minutes before
FIRST PERIOD ZONE INPUT NATIONAL WEATHER SERVICE LA CROSSE WI 115 AM CDT THU JUL 17 1997 MINOR TWEEKS TO ONGOING FORECASTS FOR TODAY. WILL PLAY THE DEVELOPING MCS IN EASTERN SD AND WESTERN MN INTO THE FORECAST AREA LATE TONIGHT. THIS SHOULD DROP TEMPS BACK INTO THE UPPER 60S/LOW 70S AROUND DAYBREAK FOR MOST AREAS. THUS WILL DROP THE HEAT ADVISORY FOR ALL BUT FAR SOUTHWEST WI AS THIS AREA MAY NOT SEE MUCH COOLING EFFECT FROM THE LATE NIGHT TSRA COMPLEX. 00Z MODELS CONTINUE TO POOL ABUNDANT LOW LEVEL MOISTURE ALONG A SURFACE TROUGH/CONVERGENCE BOUNDARY ACROSS SOUTHERN MN INTO CENTRAL WI...WITH THE AIRMASS BECOMING VERY UNSTABLE. APPEARS ANOTHER ROUND OF CONVECTION...WITH SOME SEVERE...IS IN STORE FOR THE FORECAST AREA LATE THIS AFTERNOON INTO THE EVENING/OVERNIGHT HOURS THURSDAY NIGHT. RRS ***IOWA IAZ008>011-018-019-029-030- .TODAY...A FEW MORNING THUNDERSTORMS...OTHERWISE HOT AND HUMID. MOSTLY SUNNY WITH HIGHS 90 TO 95. SOUTHWEST WINDS AROUND 10 MPH. ***WISCONSIN WIZ054-055-061- ...HEAT ADVISORY TODAY... .TODAY...A 40 PERCENT CHANCE OF THUNDERSTORMS EARLY THIS MORNING...THEN AGAIN LATE THIS AFTERNOON. VERY WARM AND HUMID WITH HIGHS AROUND 90. SOUTHWEST TO WEST WINDS AROUND 10 MPH. WIZ032>034-041-042-053- .TODAY...A 50 PERCENT CHANCE OF THUNDERSTORMS EARLY THIS MORNING...THEN AGAIN LATE THIS AFTERNOON. HOT AND HUMID WITH HIGHS 90 TO 95. SOUTHWEST WINDS AROUND 10 MPH. WIZ043-044- .TODAY...A 50 PERCENT CHANCE OF THUNDERSTORMS. WARM AND HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS AROUND 10 MPH. WIZ017-029- .TODAY...A 40 PERCENT CHANCE OF THUNDERSTORMS. WARM AND HUMID WITH HIGHS NEAR 90. SOUTHWEST WINDS AROUND 10 MPH. ***MINNESOTA MNZ086-094- ...SEVERE THUNDERSTORM WATCH UNTIL 6 AM... .TODAY...A 50 PERCENT CHANCE OF THUNDERSTORMS EARLY THIS MORNING...THEN AGAIN LATER THIS AFTERNOON. VERY WARM AND HUMID WITH HIGHS 85 TO 90. SOUTHWEST TO WEST WINDS AROUND 10 MPH. MNZ079-086>088-094>096- .TODAY...A 50 PERCENT CHANCE OF THUNDERSTORMS EARLY THIS MORNING...THEN AGAIN LATER THIS AFTERNOON. VERY WARM AND HUMID WITH HIGHS 85 TO 90. SOUTHWEST TO WEST WINDS AROUND 10 MPH.
In the hours before
Local storm report, Jul 16, 10:17 PM CDT, 3 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1017 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM FRIENDSHIP WI FLOODING
07/16/97 ADAMS 1 FOOT OF WATER IN STREETS
0930 PM FRIENDSHIP WI FLOODING
07/16/97 ADAMS 2 FEET OF WATER THROUGH
CONSTRUCTION AREA AT
HOSPITAL
1000 PM 2 E ADAMS WI 1 INCH HAIL
07/16/97 ADAMS SHERIFF REPORT
DBLocal storm report, Jul 16, 10:18 PM CDT, 3 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1017 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM FRIENDSHIP WI FLOODING
07/16/97 ADAMS 1 FOOT OF WATER IN STREETS
0930 PM FRIENDSHIP WI FLOODING
07/16/97 ADAMS 2 FEET OF WATER THROUGH
CONSTRUCTION AREA AT
HOvSPITAL
1000 PM 2 E ADAMS WI 1 INCH HAIL
07/16/97 ADAMS SHERIFF REPORT
DBSpecial weather statement, Jul 16, 10:41 PM CDT, 3 hours 27 minutes before
WIZ044-170445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1041 PM CDT WED JUL 16 1997 ...SEVERE THUNDERSTORM WARNING CANCELLED FOR ADAMS COUNTY... AT 1040 PM CDT RADAR AT LA CROSSE INDICATED THAT THE STORM OVER SOUTHERN ADAMS COUNTY HAD WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE SEVERE WEATHER. BRIEF HEAVY RAIN AND SMALL HAIL WILL BE POSSIBLE WITH THIS STORM UNTIL IT EXITS THE COUNTY AROUND MIDNIGHT. TMS
Special weather statement, Jul 16, 10:44 PM CDT, 3 hours 24 minutes before
WIZ044-170445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1041 PM CDT WED JUL 16 1997 ...SEVERE THUNDERSTORM WARNING CANCELLED FOR ADAMS COUNTY... AT 1040 PM CDT RADAR AT LA CROSpSE INDICATED THAT THE STORM OVER SOUTHERN ADAMS COUNTY HAD WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE SEVERE WEATHER. BRIEF HEAVY RAIN AND SMALL HAIL WILL BE POSSIBLE WITH THIS STORM UNTIL IT EXITS THE COUNTY AROUND MIDNIGHT. TMS
Local storm report, Jul 16, 10:49 PM CDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1049 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1015 PM 3 W GRAND MARSH WI FLOODING
07/16/97 ADAMS THIGH HIGH WATER ACROSS
COUNTY E
DBSpecial weather statement, Jul 16, 11:00 PM CDT, 3 hours 8 minutes before
WIZ043-044-170500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1100 PM CDT WED JUL 16 1997 ...THE TORNADO WATCH FOR ADAMS AND JUNEAU COUTNIES HAS EXPIRED AS OF 1100 PM... RADAR INDICATES THAT THE SEVERE STORMS HAVE MOVED OUT THE AREA AND SEVERE WEATHER IS NO LONGER EXPECTED. TMS
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 1:09 AM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 61 min |
| Jul 17, 3:20 AM CDT | Severe Thunderstorm Warning | ARX | Dodge, Olmsted | 55 min |
| Jul 17, 3:20 AM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 55 min |
| Jul 17, 4:25 AM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Mower, Olmsted, Winona | 60 min |
| Jul 17, 4:45 AM CDT | Severe Thunderstorm Warning | ARX | Houston | 45 min |
| Jul 16, 7:06 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 54 min |
| Jul 16, 7:15 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 60 min |
| Jul 16, 7:58 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 62 min |
| Jul 16, 8:56 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 64 min |
| Jul 16, 9:12 PM CDT | Flash Flood Warning | ARX | Adams | 3 hr |
| Jul 16, 9:57 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 63 min |
| Jul 17, 2:18 AM CDT | Severe Thunderstorm Warning | ARX | Clark | 57 min |
| Jul 17, 2:54 AM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 61 min |
| Jul 17, 3:20 AM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 45 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1997Severe Thunderstorm Warnings in Wisconsin, 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.