Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 128, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 9, 2017, 9:51 PM CDT for Blue Earth County, Steele County, Waseca County, Minnesota. It was in force for 54 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 9, 2017, 9:51 PM CDT (02:51 UTC)
- Expired
- Jul 9, 2017, 10:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.75 in
- Wind
- 70.0 mph
Counties Blue Earth County, MN, Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 02:52 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 9, 7:05 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.9 hours before the alert went out and 82 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
- 627 J/kg
- Mixed-layer CIN
- -187 J/kg
- Mixed-layer LCL
- 1764 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted.
206
WUUS53 KMPX 100251
SVRMPX
MNC013-147-161-100345-
/O.NEW.KMPX.SV.W.0128.170710T0251Z-170710T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
951 PM CDT SUN JUL 9 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Steele County in south central Minnesota...
Eastern Blue Earth County in south central Minnesota...
Waseca County in south central Minnesota...
* Until 1045 PM CDT
* At 950 PM CDT, severe thunderstorms were located along a line
extending from near Janesville to Nerstrand, moving southeast at 35
mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near,
Waldorf around 1010 PM CDT.
New Richland around 1020 PM CDT.
Other locations impacted by these severe thunderstorms include Waseca
Airport, Alma City, Lemond, Mankato Airport, Owatonna Airport,
Clinton Falls, Merton, Steele Center, Otisco and Bixby.
This includes the following highways...
Interstate 35 between mile markers 26 and 49.
U.S. Highway 14 between mile markers 135 and 182.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A tornado watch remains in effect until 100 AM CDT for south central
Minnesota.
LAT...LON 4424 9396 4424 9377 4420 9376 4419 9305
4385 9305 4385 9387
TIME...MOT...LOC 0250Z 334DEG 32KT 4409 9376 4433 9308
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
jrb1 follow-up statement
026
WWUS53 KMPX 100315
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1015 PM CDT SUN JUL 9 2017
MNC013-147-161-100345-
/O.CON.KMPX.SV.W.0128.000000T0000Z-170710T0345Z/
Steele MN-Blue Earth MN-Waseca MN-
1015 PM CDT SUN JUL 9 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR WESTERN STEELE...EASTERN BLUE EARTH AND WASECA COUNTIES...
At 1015 PM CDT, a severe thunderstorm was located over Alma City, or
18 miles southeast of Mankato, moving south at 20 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
This severe storm will be near...
Waldorf around 1035 PM CDT.
Other locations impacted by this severe thunderstorm include Waseca
Airport, Alma City, Lemond, Mankato Airport, Otisco, Deerfield,
Smiths Mill and Hope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A tornado watch remains in effect until 100 AM CDT for south central
Minnesota.
LAT...LON 4424 9396 4424 9377 4420 9376 4419 9329
4385 9321 4385 9387
TIME...MOT...LOC 0315Z 359DEG 15KT 4401 9368
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
jrbThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 7:35 PM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 40 min |
| Jul 9, 7:50 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 40 min |
| Jul 9, 7:51 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Renville | 39 min |
| Jul 9, 7:57 PM CDT | Tornado Warning | MPX | Stevens, Swift | 33 min |
| Jul 9, 8:09 PM CDT | Tornado Warning | MPX | Swift | 28 min |
| Jul 9, 8:21 PM CDT | Tornado Warning | MPX | Chippewa, Lac qui Parle | 39 min |
| Jul 9, 8:22 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 38 min |
| Jul 9, 8:25 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 40 min |
| Jul 9, 8:28 PM CDT | Special Weather Statement | MPX | McLeod, Scott | 47 min |
| Jul 9, 8:33 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 42 min |
| Jul 9, 8:54 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 66 min |
| Jul 9, 8:55 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne | 25 min |
| Jul 9, 8:56 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Le Sueur, Rice, Scott | 34 min |
| Jul 9, 8:58 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 47 min |
| Jul 9, 9:03 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 42 min |
| Jul 9, 9:06 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns | 27 min |
| Jul 9, 9:09 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Swift | 20 min |
| Jul 9, 9:11 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet, Waseca | 49 min |
| Jul 9, 9:16 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey, Washington | 44 min |
| Jul 9, 9:23 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice, Scott | 53 min |
| Jul 9, 9:26 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet | 49 min |
| Jul 9, 9:30 PM CDT | Tornado Warning | MPX | Nicollet | 30 min |
| Jul 9, 10:10 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Nicollet | 35 min |
| Jul 9, 10:19 PM CDT | Tornado Warning | MPX | Blue Earth | 41 min |
| Jul 9, 10:34 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 41 min |
| Jul 9, 10:41 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn, Steele, Waseca | 64 min |
| Jul 9, 10:51 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 39 min |
| Jul 9, 10:55 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood, Renville | 35 min |
| Jul 9, 11:05 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth | 40 min |
| Jul 9, 11:17 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 43 min |
| Jul 9, 11:39 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet, Watonwan | 37 min |
| Jul 9, 11:55 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 18 min |
| Jul 10, 12:05 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Martin | 40 min |
| Jul 10, 12:45 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 30 min |
| Jul 10, 12:47 AM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 26 min |
| Jul 10, 1:30 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 35 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.