Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 169, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 2017, 4:06 PM CDT for 4 counties in Minnesota. It was in force for 39 min. 7 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, 4:06 PM CDT (21:06 UTC)
- Expired
- Jul 19, 2017, 4:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 120 km from the middle of the area, began a volume at 21:08 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, 4:14 PM CDT | TSTM WND GST 48 | 3 Nw Owatonna, MN | AWOS STATION OWA, OWATONNA AP. |
| Jul 19, 4:15 PM CDT | TSTM WND DMG | Owatonna, MN | TREE DOWN. |
| Jul 19, 4:16 PM CDT | TSTM WND GST 47 | 5 Nne Ellendale, MN | MESONET STATION MN096, ELLENDALE 5NNE. |
| Jul 19, 4:18 PM CDT | TSTM WND DMG | 1 E Owatonna, MN | TREES DOWN. |
| Jul 19, 4:29 PM CDT | TSTM WND GST 53 | 3 Sse Albert Lea, MN | SOCIAL MEDIA REPORT INCLUDED SMALL HAIL AND ESTIMATED WIND GUST 50 TO 55 MPH. |
| Jul 19, 4:40 PM CDT | TSTM WND GST 54 | 5 Se Twin Lakes, MN | MESONET STATION MN001, TWIN LAKES 5SE. |
| Jul 19, 4:40 PM CDT | NON-TSTM WND GST 54 | 5 Se Twin Lakes, MN | MESONET STATION MN001, TWIN LAKES 5SE. |
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, 9.1 hours before the alert went out and 121 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.
432
WUUS53 KMPX 192106
SVRMPX
MNC043-047-147-161-192145-
/O.NEW.KMPX.SV.W.0169.170719T2106Z-170719T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
406 PM CDT WED JUL 19 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Freeborn County in south central Minnesota...
Southeastern Faribault County in south central Minnesota...
Steele County in south central Minnesota...
Eastern Waseca County in south central Minnesota...
* Until 445 PM CDT
* At 405 PM CDT, severe thunderstorms were located along a line
extending from Warsaw to near Lemond to Alden to near Bricelyn,
moving east at 55 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,
Owatonna, Albert Lea and Medford around 415 PM CDT.
Clarks Grove around 420 PM CDT.
Emmons, Hollandale, Hayward and Twin Lakes around 425 PM CDT.
Glenville around 435 PM CDT.
London around 445 PM CDT.
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.
&&
LAT...LON 4365 9367 4401 9344 4420 9345 4419 9305
4350 9305 4349 9320 4350 9379
TIME...MOT...LOC 2105Z 272DEG 49KT 4425 9336 4402 9335 4367 9360 4352
9382
HAIL...0.75IN
WIND...60MPH
$$2 follow-up statements
366
WWUS53 KMPX 192127
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
427 PM CDT WED JUL 19 2017
MNC161-192137-
/O.CAN.KMPX.SV.W.0169.000000T0000Z-170719T2145Z/
Waseca MN-
427 PM CDT WED JUL 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WASECA COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 600 PM CDT for
south central Minnesota.
LAT...LON 4350 9379 4378 9353 4385 9341 4420 9340
4419 9305 4350 9305
TIME...MOT...LOC 2127Z 272DEG 49KT 4424 9298 4401 9297 4366 9322 4351
9344
$$
MNC043-047-147-192145-
/O.CON.KMPX.SV.W.0169.000000T0000Z-170719T2145Z/
Freeborn MN-Faribault MN-Steele MN-
427 PM CDT WED JUL 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR FREEBORN...SOUTHEASTERN FARIBAULT AND STEELE COUNTIES...
At 427 PM CDT, severe thunderstorms were located along a line
extending from near Kenyon to near Claremont to Hayward to near
Emmons, moving east at 55 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...
London around 445 PM CDT.
Other locations impacted by these severe thunderstorms include Albert
Lea Airport, Lemond, Myrtle, Owatonna Airport, Clinton Falls,
Kiester, Merton, Walters, Manchester and Steele Center.
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.
&&
LAT...LON 4350 9379 4378 9353 4385 9341 4420 9340
4419 9305 4350 9305
TIME...MOT...LOC 2127Z 272DEG 49KT 4424 9298 4401 9297 4366 9322 4351
9344
HAIL...0.75IN
WIND...60MPH
$$918
WWUS53 KMPX 192141
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
441 PM CDT WED JUL 19 2017
MNC043-047-147-192151-
/O.EXP.KMPX.SV.W.0169.000000T0000Z-170719T2145Z/
Freeborn MN-Faribault MN-Steele MN-
441 PM CDT WED JUL 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR FREEBORN...SOUTHEASTERN
FARIBAULT AND STEELE COUNTIES WILL EXPIRE AT 445 PM CDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.
A severe thunderstorm watch remains in effect until 600 PM CDT for
south central Minnesota.
Remember, a Severe Thunderstorm Warning still remains in effect for
southeast Freeborn county until 500 PM.
LAT...LON 4350 9379 4378 9353 4385 9341 4420 9340
4419 9305 4350 9305
TIME...MOT...LOC 2141Z 272DEG 49KT 4423 9276 4400 9275 4365 9300 4350
9322
$$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, 3:11 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet, Watonwan | 34 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, 4:40 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.