Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 164, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 2017, 3:11 PM CDT for 4 counties in Minnesota. It was in force for 34 min. 4 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 19, 2017, 3:11 PM CDT (20:11 UTC)
- Expired
- Jul 19, 2017, 3:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Blue Earth County, MN, Brown County, MN, Nicollet County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 109 km from the middle of the area, began a volume at 20:11 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 19, 3:12 PM CDT | TSTM WND DMG | Searles, MN | POWER LINES DOWN. |
| Jul 19, 3:15 PM CDT | TSTM WND GST 62 | 3 Ne Madelia, MN | MESONET STATION MN045, MADELIA 3ENE. |
| Jul 19, 3:50 PM CDT | TSTM WND DMG | Mankato, MN | NUMEROUS TREES DOWN. |
| Jul 19, 3:55 PM CDT | TSTM WND GST 60 | 4 N Mapleton, MN |
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 19, 12:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.2 hours before the alert went out and 108 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1964 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
563
WUUS53 KMPX 192011
SVRMPX
MNC013-015-103-165-192045-
/O.NEW.KMPX.SV.W.0164.170719T2011Z-170719T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
311 PM CDT WED JUL 19 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southeastern Brown County in south central Minnesota...
Blue Earth County in south central Minnesota...
Eastern Watonwan County in south central Minnesota...
Southeastern Nicollet County in south central Minnesota...
* Until 345 PM CDT
* At 310 PM CDT, severe thunderstorms were located along a line
extending from near New Ulm Airport to near Madelia to South
Branch, moving east at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near,
Lake Crystal around 320 PM CDT.
Mankato, Good Thunder, Amboy and Vernon Center around 330 PM CDT.
Mapleton, St. Clair and Pemberton around 340 PM CDT.
Eagle Lake and Madison Lake around 345 PM CDT.
Other locations impacted by these severe thunderstorms include
Skyline, Garden City, Searles, Mankato Airport, Judson and South
Branch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4385 9462 4412 9445 4425 9465 4424 9377
4385 9377
TIME...MOT...LOC 2010Z 277DEG 52KT 4427 9455 4412 9439 4389 9454
HAIL...0.75IN
WIND...60MPH
$$2 follow-up statements
077
WWUS53 KMPX 192024
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
324 PM CDT WED JUL 19 2017
MNC013-015-103-165-192045-
/O.CON.KMPX.SV.W.0164.000000T0000Z-170719T2045Z/
Brown MN-Blue Earth MN-Watonwan MN-Nicollet MN-
324 PM CDT WED JUL 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHEASTERN BROWN...BLUE EARTH...EASTERN WATONWAN AND
SOUTHEASTERN NICOLLET COUNTIES...
At 324 PM CDT, severe thunderstorms were located along a line
extending from near Courtland to near Garden City to 6 miles west of
Amboy, moving east at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Mankato and Good Thunder around 330 PM CDT.
Mapleton, St. Clair and Pemberton around 340 PM CDT.
Eagle Lake and Madison Lake around 345 PM CDT.
Other locations impacted by these severe thunderstorms include
Skyline, Garden City, Searles, Mankato Airport and Judson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
&&
LAT...LON 4385 9441 4411 9440 4425 9447 4424 9377
4385 9377
TIME...MOT...LOC 2024Z 277DEG 52KT 4425 9429 4410 9413 4387 9428
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
$$466
WWUS53 KMPX 192034
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
334 PM CDT WED JUL 19 2017
MNC015-165-192043-
/O.CAN.KMPX.SV.W.0164.000000T0000Z-170719T2045Z/
Brown MN-Watonwan MN-
334 PM CDT WED JUL 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROWN AND EASTERN
WATONWAN COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 600 PM CDT for
south central Minnesota.
LAT...LON 4385 9433 4412 9432 4425 9434 4424 9377
4385 9377
TIME...MOT...LOC 2033Z 277DEG 52KT 4424 9413 4409 9397 4386 9412
$$
MNC013-103-192045-
/O.CON.KMPX.SV.W.0164.000000T0000Z-170719T2045Z/
Blue Earth MN-Nicollet MN-
334 PM CDT WED JUL 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR BLUE EARTH AND SOUTHEASTERN NICOLLET COUNTIES...
At 333 PM CDT, severe thunderstorms were located along a line
extending from near Nicollet to near Skyline to near Amboy, moving
east at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
St. Clair around 340 PM CDT.
Eagle Lake, Madison Lake and Pemberton around 345 PM CDT.
Other locations impacted by these severe thunderstorms include
Skyline, Garden City, Mankato Airport and Judson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4385 9433 4412 9432 4425 9434 4424 9377
4385 9377
TIME...MOT...LOC 2033Z 277DEG 52KT 4424 9413 4409 9397 4386 9412
HAIL...0.75IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 2:06 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 39 min |
| Jul 19, 2:38 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Watonwan | 52 min |
| Jul 19, 2:51 PM CDT | Tornado Warning | MPX | Brown | 24 min |
| Jul 19, 3:38 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Rice, Waseca | 37 min |
| Jul 19, 3:50 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 40 min |
| Jul 19, 3:57 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 18 min |
| Jul 19, 4:02 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 43 min |
| Jul 19, 4:06 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn, Steele, Waseca | 39 min |
| Jul 19, 4:40 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 20 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.