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 Oct 9, 2021, 10:59 PM CDT for 6 counties in Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 9, 2021, 10:59 PM CDT (03:59 UTC)
- Expired
- Oct 10, 2021, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
Counties Chippewa County, MN, Lac qui Parle County, MN, Pope County, MN, Swift County, MN, Todd County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 168 km from the middle of the area, began a volume at 03:59 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 00:00Z, 4.0 hours before the alert went out and 166 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
- 458 J/kg
- Mixed-layer CIN
- -239 J/kg
- Mixed-layer LCL
- 1239 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 346 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
082
WWUS83 KMPX 100359
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Twin Cities/Chanhassen MN
1059 PM CDT Sat Oct 9 2021
MNC023-041-067-073-097-121-145-149-151-153-173-100700-
Douglas-Lac qui Parle-Pope-Chippewa-Stevens-Yellow
Medicine-Todd-Stearns-Swift-Morrison-Kandiyohi-
1059 PM CDT Sat Oct 9 2021
...URBAN AND SMALL STREAM FLOODING EXPECTED...
Thunderstorms with heavy rain will cause minor flooding in the
following counties...
Douglas...Lac qui Parle...Pope...Chippewa...Stevens...Yellow
Medicine...Todd...Stearns...Swift...Morrison...Kandiyohi...
* Until 200 AM CDT.
* At 1056 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding in
the area. The storms will continue to produce areas of heavy in
parts of west central and central Minnesota.
* Some locations that will experience minor flooding include...
Alexandria, Little Falls, Montevideo, Sauk Centre, Melrose, Long
Prairie, Benson, Staples, Glenwood, Canby, Madison and Dawson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 4636 9467 4631 9455 4633 9446 4629 9435
4623 9440 4616 9437 4615 9415 4528 9505
4463 9581 4463 9645 4523 9644 4526 9638
4525 9629 4518 9610 4539 9612 4564 9562
4611 9532 4611 9514 4637 9514
$$
TDKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 7:13 PM CDT | Special Weather Statement | MPX | Lac qui Parle, Yellow Medicine | 62 min |
| Oct 9, 7:19 PM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 41 min |
| Oct 9, 7:35 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 25 min |
| Oct 9, 7:56 PM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 49 min |
| Oct 9, 7:58 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 47 min |
| Oct 9, 8:15 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope | 45 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.