Alert archive / Minnesota / Special Weather Statements in 2017
Special Weather Statement, NWS La Crosse, WI
NWS La Crosse, WI issued this special weather statement at Aug 1, 2017, 6:21 PM CDT for Mower County, Minnesota. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2017, 6:21 PM CDT (23:21 UTC)
- Expired
- Aug 1, 2017, 7:00 PM CDT
- In force
- 39 min
- Issued by
- NWS La Crosse, WI
County Mower County, MN
The radar
The La Crosse radar (KARX), 135 km from the middle of the area, began a volume at 23:21 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.4 hours before the alert went out and 155 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
- 13 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 1331 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
598
WWUS83 KARX 012321
SPSARX
Special Weather Statement
National Weather Service La Crosse WI
621 PM CDT TUE AUG 1 2017
IAZ008-MNZ094-020000-
Mitchell-Mower-
621 PM CDT TUE AUG 1 2017
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MITCHELL AND MOWER
COUNTIES...
At 620 PM CDT, a strong thunderstorm was located over Austin, moving
southeast at 20 mph.
Winds in excess of 30 mph and half inch hail are possible with this
storm.
Locations impacted include...
Austin, Ramsey, St. Ansgar, Le Roy, Adams, Brownsdale, Lyle,
Stacyville, Lansing, Dexter, McIntire, Carpenter and Otranto Park.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4375 9305 4379 9274 4350 9245 4350 9255
4345 9256 4336 9303 4350 9303 4350 9305
TIME...MOT...LOC 2320Z 315DEG 17KT 4367 9294
$$
DTJThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 4:44 PM CDT | Special Weather Statement | ARX | Buffalo, Clark, Jackson, Taylor, Trempealeau | 76 min |
| Aug 1, 6:02 PM CDT | Special Weather Statement | ARX | Trempealeau | 43 min |
| Aug 1, 6:08 PM CDT | Special Weather Statement | ARX | Buffalo | 37 min |
Nearby
Special Weather Statements in Minnesota, 2017Every special weather statement in 2017
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.