Alert archive / Minnesota / Special Weather Statements in 2021
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Apr 5, 2021, 11:36 PM CDT for Anoka 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
- Apr 5, 2021, 11:36 PM CDT (04:36 UTC)
- Expired
- Apr 6, 2021, 12:15 AM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
County Anoka County, MN
The radar
The Minneapolis radar (KMPX), 55 km from the middle of the area, began a volume at 04:40 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 00:00Z, 4.6 hours before the alert went out and 55 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
- 1134 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 2481 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted.
712 WWUS83 KMPX 060436 SPSMPX Special Weather Statement National Weather Service Twin Cities/Chanhassen MN 1136 PM CDT Mon Apr 5 2021 MNZ051-052-059-061-060515- Anoka-Isanti-Sherburne-Wright- 1136 PM CDT Mon Apr 5 2021 ...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL WRIGHT... NORTHWESTERN ANOKA...SOUTHWESTERN ISANTI AND SOUTHEASTERN SHERBURNE COUNTIES... At 1136 PM CDT, a strong thunderstorm was located over Big Lake, or 11 miles northeast of Buffalo, moving east at 40 mph. Winds in excess of 40 mph and dime size hail are possible with this storm. Locations impacted include... Cambridge, Elk River, Otsego, Monticello, East Bethel, Big Lake, St. Francis, Isanti, Oak Grove, Nowthen, Athens and Bethel. 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 4525 9376 4533 9380 4552 9328 4536 9314 TIME...MOT...LOC 0436Z 255DEG 33KT 4531 9371 $$ TDH
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 7:37 PM CDT | Special Weather Statement | MPX | Renville | 38 min |
| Apr 5, 7:40 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 50 min |
| Apr 5, 8:19 PM CDT | Special Weather Statement | MPX | Kandiyohi, Meeker | 41 min |
| Apr 5, 8:26 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti, Sherburne, Wright | 49 min |
| Apr 5, 8:59 PM CDT | Special Weather Statement | MPX | Redwood | 46 min |
| Apr 5, 9:00 PM CDT | Special Weather Statement | MPX | Meeker | 45 min |
| Apr 5, 9:10 PM CDT | Special Weather Statement | MPX | Sherburne | 35 min |
| Apr 5, 9:16 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Stearns, Wright | 29 min |
| Apr 5, 9:20 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 25 min |
| Apr 5, 9:30 PM CDT | Special Weather Statement | MPX | Renville | 30 min |
| Apr 5, 9:45 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 45 min |
| Apr 5, 9:48 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs | 31 min |
| Apr 5, 9:54 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Meeker, Wright | 36 min |
| Apr 5, 10:07 PM CDT | Special Weather Statement | MPX | Kanabec | 8 min |
| Apr 5, 10:10 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 20 min |
| Apr 5, 10:27 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, McLeod, Wright | 33 min |
| Apr 5, 10:34 PM CDT | Special Weather Statement | MPX | Kanabec | 26 min |
| Apr 5, 10:37 PM CDT | Special Weather Statement | MPX | Wright | 23 min |
| Apr 5, 10:59 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Wright | 46 min |
| Apr 5, 11:03 PM CDT | Special Weather Statement | MPX | Hennepin, Ramsey, Scott | 42 min |
| Apr 5, 11:45 PM CDT | Special Weather Statement | MPX | Anoka | 45 min |
| Apr 5, 11:49 PM CDT | Special Weather Statement | MPX | Dakota, Washington | 41 min |
Nearby
Special Weather Statements in Minnesota, 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.