Alert archive / Wisconsin / Special Weather Statements in 2021
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Jul 28, 2021, 12:54 PM CDT for Pierce County, Wisconsin. It was in force for 36 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
- Jul 28, 2021, 12:54 PM CDT (17:54 UTC)
- Expired
- Jul 28, 2021, 1:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Twin Cities, MN
- Hail
- 0.75 in
- Wind
- 30
County Pierce County, WI
The radar
The Minneapolis radar (KMPX), 108 km from the middle of the area, began a volume at 17:58 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, 5.9 hours before the alert went out and 111 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
- 1458 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 1435 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
990
WWUS83 KMPX 281754
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1254 PM CDT Wed Jul 28 2021
WIZ023>025-281830-
Pierce WI-St. Croix WI-Dunn WI-
1254 PM CDT Wed Jul 28 2021
...A strong thunderstorm will impact portions of northeastern Pierce,
southwestern Dunn and southeastern St. Croix Counties through 130 PM
CDT...
At 1254 PM CDT, Doppler radar was tracking a strong thunderstorm near
Woodville, or 14 miles east of River Falls, moving southeast at 40
mph.
HAZARD...Winds in excess of 30 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Elmwood around 110 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4473 9198 4464 9225 4494 9247 4500 9230
TIME...MOT...LOC 1754Z 329DEG 36KT 4490 9233
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH
$$
DyeThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 4:13 AM CDT | Special Weather Statement | MPX | Pope, Stevens | 32 min |
| Jul 28, 4:19 AM CDT | Special Weather Statement | MPX | Todd | 26 min |
| Jul 28, 4:45 AM CDT | Special Weather Statement | MPX | Stearns | 30 min |
| Jul 28, 4:46 AM CDT | Special Weather Statement | MPX | Chippewa, Pope, Stevens, Swift | 44 min |
| Jul 28, 4:53 AM CDT | Severe Thunderstorm Warning | MPX | Pope, Stevens | 28 min |
| Jul 28, 4:54 AM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 36 min |
| Jul 28, 5:29 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Stearns | 46 min |
| Jul 28, 6:17 AM CDT | Special Weather Statement | MPX | Meeker | 28 min |
| Jul 28, 6:45 AM CDT | Special Weather Statement | MPX | Carver, Wright | 30 min |
| Jul 28, 7:19 AM CDT | Special Weather Statement | MPX | Carver, Le Sueur, Nicollet | 41 min |
| Jul 28, 11:43 AM CDT | Special Weather Statement | MPX | Chisago | 32 min |
| Jul 28, 11:59 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 31 min |
| Jul 28, 12:28 PM CDT | Special Weather Statement | MPX | Saint Croix | 32 min |
Nearby
Special Weather Statements in Wisconsin, 2021Every special weather statement in 2021
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.