Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 180, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 18, 2017, 3:54 PM CDT for Lac qui Parle County, Minnesota. It was in force for 51 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 18, 2017, 3:54 PM CDT (20:54 UTC)
- Expired
- Aug 18, 2017, 4:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
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 20:55 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 12:00Z, 8.9 hours before the alert went out and 164 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
- 114 J/kg
- Mixed-layer CIN
- -290 J/kg
- Mixed-layer LCL
- 1289 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
205
WUUS53 KMPX 182054
SVRMPX
MNC073-182145-
/O.NEW.KMPX.SV.W.0180.170818T2054Z-170818T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
354 PM CDT FRI AUG 18 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Lac qui Parle County in west central Minnesota...
* Until 445 PM CDT
* At 353 PM CDT, a severe thunderstorm was located near Marietta, or
15 miles southeast of Milbank, moving east at 15 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near,
Marietta around 410 PM CDT.
Other locations impacted by this severe thunderstorm include Nassau
and Florida Creek Wildlife Management Area.
This includes the following highways...
U.S. Highway 212 between mile markers 2 and 9.
U.S. Highway 75 near mile marker 112.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4505 9622 4488 9627 4495 9645 4507 9645
TIME...MOT...LOC 2053Z 286DEG 13KT 4502 9649
HAIL...1.25IN
WIND...60MPH
$$
AMK1 follow-up statement
181
WWUS53 KMPX 182134
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
434 PM CDT FRI AUG 18 2017
MNC073-182145-
/O.CON.KMPX.SV.W.0180.000000T0000Z-170818T2145Z/
Lac qui Parle MN-
434 PM CDT FRI AUG 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHWESTERN LAC QUI PARLE COUNTY...
At 433 PM CDT, a severe thunderstorm was located near Florida Creek
Wildlife Management Area, or 22 miles northeast of Clear Lake, moving
east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
this severe thunderstorm will remain over mainly rural areas of
southwestern Lac qui Parle County, including the following locations:
Florida Creek Wildlife Management Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4505 9622 4488 9627 4493 9641 4506 9636
TIME...MOT...LOC 2133Z 273DEG 12KT 4496 9630
HAIL...1.00IN
WIND...60MPH
$$
AMKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 4:18 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 27 min |
| Aug 18, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 31 min |
| Aug 18, 4:55 PM CDT | Special Weather Statement | MPX | Redwood | 35 min |
| Aug 18, 5:07 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 38 min |
| Aug 18, 5:09 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 25 min |
| Aug 18, 5:30 PM CDT | Special Weather Statement | MPX | Redwood | 30 min |
| Aug 18, 5:53 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 37 min |
| Aug 18, 6:00 PM CDT | Flash Flood Warning | MPX | Redwood, Yellow Medicine | 4 hr |
| Aug 18, 6:15 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 30 min |
| Aug 18, 6:37 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 23 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017
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.