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 Jun 26, 2021, 11:34 AM CDT for Le Sueur County, 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
- Jun 26, 2021, 11:34 AM CDT (16:34 UTC)
- Expired
- Jun 26, 2021, 3:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
County Le Sueur County, MN
The radar
The Minneapolis radar (KMPX), 77 km from the middle of the area, began a volume at 16:36 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, 4.6 hours before the alert went out and 77 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
- 326 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 939 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
440
WWUS83 KMPX 261634
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Twin Cities/Chanhassen MN
1134 AM CDT Sat Jun 26 2021
MNC013-079-103-161-262000-
Le Sueur-Blue Earth-Waseca-Nicollet-
1134 AM CDT Sat Jun 26 2021
...URBAN AND SMALL STREAM FLOODING EXPECTED...
Heavy rain will cause minor flooding in the following counties...
Le Sueur...Blue Earth...Waseca...Nicollet...
* Until 300 PM CDT.
* At 1133 AM CDT, Doppler radar indicated heavy rain that will cause
urban and small stream flooding in the area. One to two inches of
rain have already fallen, with additional rainfall expected.
* Some locations that will experience flooding include...
Mankato, North Mankato, Eagle Lake, Janesville, Waterville, Madison
Lake, Elysian, Skyline, Smiths Mill and Greenland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 4425 9352 4410 9353 4409 9355 4409 9414
4420 9413
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 1:56 PM CDT | Special Weather Statement | MPX | Rice | 4 hr |
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.