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 Jul 24, 2021, 12:03 AM CDT for Stevens County, Minnesota. It was in force for 27 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 24, 2021, 12:03 AM CDT (05:03 UTC)
- Expired
- Jul 24, 2021, 12:30 AM CDT
- In force
- 27 min
- Issued by
- NWS Twin Cities, MN
County Stevens County, MN
The radar
The Aberdeen radar (KABR), 182 km from the middle of the area, began a volume at 05:05 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
Aberdeen, SD (KABR), launched 00:00Z, 5.1 hours before the alert went out and 192 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
- 3002 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1613 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.9
The text
As transmitted.
173
WWUS83 KMPX 240503
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1203 AM CDT Sat Jul 24 2021
MNZ047-048-055-240530-
Stevens-Pope-Swift-
1203 AM CDT Sat Jul 24 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN POPE...SOUTHERN
STEVENS AND NORTHWESTERN SWIFT COUNTIES...
At 1202 AM CDT, a strong thunderstorm was located near Lake Hattie,
or 8 miles southwest of Morris, moving east at 35 mph.
Winds in excess of 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Morris, Hancock, Chokio, Lake Hattie, Lake Oliver, Artichoke Lake,
Alberta and Morris Airport.
LAT...LON 4545 9624 4558 9624 4557 9567 4529 9574
4533 9612 4541 9612 4542 9625
TIME...MOT...LOC 0502Z 259DEG 30KT 4549 9601
$$
TDHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 12:36 AM CDT | Special Weather Statement | MPX | Swift | 24 min |
| Jul 24, 1:07 AM CDT | Special Weather Statement | MPX | Pope | 23 min |
| Jul 24, 1:09 AM CDT | Special Weather Statement | MPX | Douglas | 36 min |
| Jul 24, 1:37 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns, Todd | 38 min |
| Jul 24, 1:46 AM CDT | Special Weather Statement | MPX | Anoka | 44 min |
| Jul 24, 1:50 AM CDT | Special Weather Statement | MPX | Douglas, Todd | 40 min |
| Jul 24, 2:03 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 25 min |
| Jul 24, 2:16 AM CDT | Special Weather Statement | MPX | Benton, Mille Lacs | 44 min |
| Jul 24, 2:19 AM CDT | Special Weather Statement | MPX | Morrison | 26 min |
| Jul 24, 2:27 AM CDT | Special Weather Statement | MPX | Chisago, Isanti | 33 min |
| Jul 24, 3:06 AM CDT | Special Weather Statement | MPX | Kanabec | 24 min |
| Jul 24, 2:32 AM CDT | Special Weather Statement | MPX | Polk | 43 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.