Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 129, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 9, 2017, 10:10 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 35 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 9, 2017, 10:10 PM CDT (03:10 UTC)
- Expired
- Jul 9, 2017, 10:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 70.0 mph
Counties Blue Earth County, MN, Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 88 km from the middle of the area, began a volume at 03:12 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 10:25 PM CDT | TORNADO | 2 Nw Lake Crystal, MN | MULTIPLE SPOTTER REPORTS OF A TORNADO 2 MILES NW OF LAKE CRYSTAL. |
| Jul 9, 10:35 PM CDT | TORNADO | 2 Sw Judson, MN | LAW ENFORCEMENT REPORTING A TORNADO NEAR THE INTERSECTION OF CR 20 & MN HWY 68. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 3.2 hours before the alert went out and 86 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.
167
WUUS53 KMPX 100310
SVRMPX
MNC013-103-100345-
/O.NEW.KMPX.SV.W.0129.170710T0310Z-170710T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1010 PM CDT SUN JUL 9 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northwestern Blue Earth County in south central Minnesota...
Eastern Nicollet County in south central Minnesota...
* Until 1045 PM CDT
* At 1010 PM CDT, a severe thunderstorm was located over Nicollet, or
11 miles east of New Ulm, moving southeast at 15 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Radar indicated.
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 thunderstorm will be near,
Mankato and Lake Crystal around 1045 PM CDT.
Other locations impacted by this severe thunderstorm include Skyline,
Oshawa, Garden City and Judson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 100 AM CDT for south central
Minnesota.
LAT...LON 4403 9435 4416 9437 4426 9437 4427 9439
4438 9441 4441 9419 4427 9402 4424 9401
4422 9396 4405 9391
TIME...MOT...LOC 0310Z 335DEG 13KT 4425 9424
HAIL...2.00IN
WIND...70MPH
$$1 follow-up statement
646
WWUS53 KMPX 100332
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1032 PM CDT SUN JUL 9 2017
MNC013-103-100345-
/O.CON.KMPX.SV.W.0129.000000T0000Z-170710T0345Z/
Blue Earth MN-Nicollet MN-
1032 PM CDT SUN JUL 9 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHWESTERN BLUE EARTH AND EASTERN NICOLLET COUNTIES...
At 1032 PM CDT, a severe thunderstorm was located over Judson, or 10
miles west of Mankato, moving southeast at 15 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 100 AM CDT for south central
Minnesota.
LAT...LON 4403 9435 4416 9437 4439 9433 4441 9419
4427 9402 4424 9401 4422 9396 4405 9391
TIME...MOT...LOC 0332Z 335DEG 13KT 4418 9419
HAIL...1.75IN
WIND...70MPH
$$
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, 9:51 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Steele, Waseca | 54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.