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 May 25, 2021, 4:49 PM CDT for Eau Claire County, Wisconsin. It was in force for 41 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
- May 25, 2021, 4:49 PM CDT (21:49 UTC)
- Expired
- May 25, 2021, 5:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
County Eau Claire County, WI
The radar
The La Crosse radar (KARX), 98 km from the middle of the area, began a volume at 21:51 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.8 hours before the alert went out and 249 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
- 96 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1118 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
645 WWUS83 KMPX 252149 SPSMPX Special Weather Statement National Weather Service Twin Cities/Chanhassen MN 449 PM CDT Tue May 25 2021 WIZ028-252230- Eau Claire- 449 PM CDT Tue May 25 2021 ...A LINE OF STORMS WILL AFFECT EAU CLAIRE COUNTY THROUGH 530PM CDT... At 449 PM CDT, radar indicated strong thunderstorms were located along a line extending from Fairchild to 6 miles south of Fall Creek. Movement was northeast at 20 mph. Winds in excess of 30 mph and dime size hail are possible with these storms. Locations impacted include... Augusta, Fall Creek, Fairchild, Ludington, Foster, Brackett, Lake Eau Claire County Park and Allen. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. To report severe weather, contact your nearest law enforcement agency. They can relay your report to the National Weather Service office in the Twin Cities. LAT...LON 4460 9157 4486 9117 4485 9092 4460 9093 TIME...MOT...LOC 2149Z 236DEG 16KT 4462 9098 4467 9133 $$ JPC
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 8:49 PM CDT | Special Weather Statement | MPX | Renville | 41 min |
| May 24, 9:31 PM CDT | Special Weather Statement | MPX | Meeker | 44 min |
| May 24, 10:45 PM CDT | Special Weather Statement | MPX | Meeker | 30 min |
| May 25, 2:59 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Saint Croix | 31 min |
| May 25, 3:24 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Rusk | 25 min |
| May 25, 3:42 PM CDT | Severe Thunderstorm Warning | MPX | Pepin | 21 min |
| May 25, 3:46 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Rusk | 44 min |
| May 25, 4:44 PM CDT | Special Weather Statement | MPX | Chippewa | 46 min |
| May 25, 4:50 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 25 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.