Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 171, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 2017, 9:59 PM CDT for Kandiyohi County, Meeker County, Minnesota. It was in force for 31 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 19, 2017, 9:59 PM CDT (02:59 UTC)
- Expired
- Jul 19, 2017, 10:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Kandiyohi County, MN, Meeker County, MN
The radar
The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 03:02 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, 3.0 hours before the alert went out and 104 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
- 14 J/kg
- Mixed-layer CIN
- -693 J/kg
- Mixed-layer LCL
- 1310 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
127
WUUS53 KMPX 200259
SVRMPX
MNC067-093-200330-
/O.NEW.KMPX.SV.W.0171.170720T0259Z-170720T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
959 PM CDT WED JUL 19 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northwestern Meeker County in central Minnesota...
Northeastern Kandiyohi County in central Minnesota...
* Until 1030 PM CDT
* At 959 PM CDT, a severe thunderstorm was located over Green Lake,
or 11 miles northeast of Willmar, moving east at 45 mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* Locations impacted include...
New London, Spicer, Atwater, Grove City and Green Lake.
This includes the following highways...
U.S. Highway 12 between mile markers 86 and 99.
U.S. Highway 71 between mile markers 132 and 134.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4525 9503 4533 9495 4523 9447 4504 9462
TIME...MOT...LOC 0259Z 285DEG 41KT 4525 9489
HAIL...1.50IN
WIND...<50MPH
$$
ETA1 follow-up statement
635
WWUS53 KMPX 200315
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1015 PM CDT WED JUL 19 2017
MNC067-200324-
/O.CAN.KMPX.SV.W.0171.000000T0000Z-170720T0330Z/
Kandiyohi MN-
1015 PM CDT WED JUL 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KANDIYOHI COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4523 9447 4511 9456 4517 9475 4526 9477
4529 9477
TIME...MOT...LOC 0314Z 285DEG 41KT 4520 9464
$$
MNC093-200330-
/O.CON.KMPX.SV.W.0171.000000T0000Z-170720T0330Z/
Meeker MN-
1015 PM CDT WED JUL 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTHWESTERN MEEKER COUNTY...
At 1014 PM CDT, a severe thunderstorm was located near Grove City, or
19 miles east of Willmar, moving east at 45 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Litchfield and Grove City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4523 9447 4511 9456 4517 9475 4526 9477
4529 9477
TIME...MOT...LOC 0314Z 285DEG 41KT 4520 9464
HAIL...1.00IN
WIND...<50MPH
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:19 PM CDT | Flash Flood Watch | MPX | Carver, Dakota, Goodhue, Hennepin, Le Sueur, McLeod and 7 more | 6 hr |
| Jul 19, 9:42 PM CDT | Special Weather Statement | MPX | Dakota | 33 min |
| Jul 19, 9:46 PM CDT | Special Weather Statement | MPX | Kandiyohi | 29 min |
| Jul 19, 10:20 PM CDT | Special Weather Statement | MPX | Ramsey | 25 min |
| Jul 19, 10:22 PM CDT | Special Weather Statement | MPX | Meeker | 23 min |
| Jul 20, 12:41 AM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 79 min |
| Jul 20, 1:02 AM CDT | Special Weather Statement | MPX | Faribault | 58 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.