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 Mar 10, 2021, 5:56 PM CST for Saint Croix County, Wisconsin. It was in force for 34 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
- Mar 10, 2021, 5:56 PM CST (23:56 UTC)
- Expired
- Mar 10, 2021, 6:30 PM CST
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
County Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 81 km from the middle of the area, began a volume at 23:59 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, 11.9 hours before the alert went out and 83 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 946 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
325
WWUS83 KMPX 102356
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
556 PM CST Wed Mar 10 2021
MNZ063-WIZ014-023-024-110030-
Washington-Polk-Pierce-St. Croix-
556 PM CST Wed Mar 10 2021
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT EASTERN WASHINGTON...
NORTHWESTERN PIERCE...ST. CROIX AND SOUTH CENTRAL POLK COUNTIES...
At 556 PM CST, strong thunderstorms were clustered near Somerset, or
14 miles north of River Falls, moving northeast at 50 mph.
Winds in excess of 30 mph and dime size hail are possible with this
storm.
Locations impacted include...
River Falls, Stillwater, Hudson, New Richmond, North Hudson, Bayport,
Amery, Afton, Somerset, Osceola, St. Croix Falls and Baldwin.
LAT...LON 4532 9236 4501 9226 4470 9270 4480 9279
4497 9277 4509 9289 4545 9260
TIME...MOT...LOC 2356Z 232DEG 43KT 4507 9270
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 3:39 AM CST | Winter Weather Advisory | MPX | Chippewa, Douglas, Lac qui Parle, Morrison, Pope, Stearns and 3 more | 20 hr |
| Mar 10, 3:40 AM CST | Wind Advisory | MPX | Blue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 7 more | 23 hr |
| Mar 10, 12:06 PM CST | Winter Storm Warning | MPX | Douglas, Pope, Stevens, Todd | 12 hr |
| Mar 10, 4:03 PM CST | Special Weather Statement | MPX | Le Sueur | 27 min |
| Mar 10, 4:13 PM CST | Tornado Warning | MPX | Dakota, Rice, Scott | 14 min |
| Mar 10, 4:23 PM CST | Tornado Warning | MPX | Le Sueur, Rice, Waseca | 26 min |
| Mar 10, 4:36 PM CST | Tornado Warning | MPX | Dakota, Rice, Scott | 24 min |
| Mar 10, 4:47 PM CST | Tornado Warning | MPX | Dakota, Rice | 28 min |
| Mar 10, 4:54 PM CST | Special Weather Statement | MPX | McLeod | 36 min |
| Mar 10, 5:15 PM CST | Tornado Warning | MPX | Dakota, Rice | 30 min |
| Mar 10, 5:27 PM CST | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 29 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.