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 Aug 7, 2021, 2:16 AM CDT for Lac qui Parle County, Minnesota. It was in force for 59 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
- Aug 7, 2021, 2:16 AM CDT (07:16 UTC)
- Expired
- Aug 7, 2021, 3:15 AM CDT
- In force
- 59 min
- Issued by
- NWS Twin Cities, MN
- Hail
- 0.75 in
- Wind
- 30
County Lac qui Parle County, MN
The radar
The Sioux Falls radar (KFSD), 160 km from the middle of the area, began a volume at 07:19 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, 7.3 hours before the alert went out and 188 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
- 466 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1480 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
435
WWUS83 KMPX 070716
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
216 AM CDT Sat Aug 7 2021
MNZ054-056-064-065-070815-
Chippewa MN-Yellow Medicine MN-Renville MN-Lac Qui Parle MN-
216 AM CDT Sat Aug 7 2021
...Strong thunderstorms will impact portions of Lac qui Parle,
central Chippewa, northeastern Yellow Medicine and northwestern
Renville Counties through 315 AM CDT...
At 215 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles northeast of Moritz to near Sacred
Heart. Movement was northeast at 20 mph.
HAZARD...Winds in excess of 30 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Strong thunderstorms will be near...
Granite Falls around 220 AM CDT.
Other locations in the path of these storms include Madison.
This includes the following highways...
U.S. Highway 212 between mile markers 1 and 56.
U.S. Highway 75 between mile markers 95 and 113.
U.S. Highway 59 between mile markers 96 and 107.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 will relay your report to the National Weather Service
office in the Twin Cities.
&&
LAT...LON 4508 9645 4497 9525 4472 9547 4483 9645
TIME...MOT...LOC 0715Z 234DEG 16KT 4490 9644 4478 9541
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH
$$
JLTThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 6:08 PM CDT | Flash Flood Watch | MPX | Chippewa, Dunn, Eau Claire, Pepin | 25 hr |
| Aug 7, 6:17 PM CDT | Flash Flood Warning | MPX | Chippewa, Dunn, Eau Claire | 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.