Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 188, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 4, 2017, 5:44 PM CDT for 4 counties in Minnesota. It was in force for 46 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
- Sep 4, 2017, 5:44 PM CDT (22:44 UTC)
- Expired
- Sep 4, 2017, 6:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Freeborn County, MN, Rice County, MN, Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 101 km from the middle of the area, began a volume at 22:44 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 |
|---|---|---|---|
| Sep 4, 5:55 PM CDT | TSTM WND DMG | 1 Ene Owatonna, MN | TREES OF 10 TO 24 INCHES IN DIAMETER UPROOTED AT THE BROOKTREE GOLF COURSE. |
| Sep 4, 5:55 PM CDT | TSTM WND DMG | Owatonna, MN | POWER POLES DOWN ACROSS OWATONNA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 101 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
- 1294 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -227 m²/s²
- 0-3 km storm-relative helicity
- -186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
318
WUUS53 KMPX 042244
SVRMPX
MNC047-131-147-161-042330-
/O.NEW.KMPX.SV.W.0188.170904T2244Z-170904T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
544 PM CDT MON SEP 4 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northern Freeborn County in south central Minnesota...
Steele County in south central Minnesota...
Waseca County in south central Minnesota...
Southeastern Rice County in south central Minnesota...
* Until 630 PM CDT
* At 543 PM CDT, severe thunderstorms were located along a line
extending from near Nerstrand to near Faribault to near Waseca to
near Alma City, moving southeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near,
Medford around 550 PM CDT.
Owatonna around 555 PM CDT.
New Richland around 605 PM CDT.
Hartland around 610 PM CDT.
Clarks Grove and Ellendale around 615 PM CDT.
Blooming Prairie and Geneva around 620 PM CDT.
Hollandale around 625 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near a lake, get away from the water and move indoors or
inside a vehicle. Remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 4383 9365 4385 9365 4385 9368 4393 9377
4408 9376 4426 9337 4432 9304 4380 9305
4367 9347
TIME...MOT...LOC 2243Z 302DEG 45KT 4429 9308 4424 9330 4413 9351 4405
9377
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF2 follow-up statements
663
WWUS53 KMPX 042301
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
601 PM CDT MON SEP 4 2017
MNC131-042311-
/O.CAN.KMPX.SV.W.0188.000000T0000Z-170904T2330Z/
Rice MN-
601 PM CDT MON SEP 4 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4383 9365 4385 9365 4385 9368 4393 9377
4396 9377 4405 9344 4419 9317 4419 9305
4380 9305 4367 9347
TIME...MOT...LOC 2301Z 322DEG 43KT 4411 9310 4398 9330 4390 9356
$$
MNC047-147-161-042330-
/O.CON.KMPX.SV.W.0188.000000T0000Z-170904T2330Z/
Freeborn MN-Steele MN-Waseca MN-
601 PM CDT MON SEP 4 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHERN FREEBORN...STEELE AND SOUTHERN WASECA COUNTIES...
At 601 PM CDT, severe thunderstorms were located along a line
extending from near Merton to near Hope to near Otisco, moving
southeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Ellendale around 610 PM CDT.
Geneva around 615 PM CDT.
Blooming Prairie, Clarks Grove and Hollandale around 620 PM CDT.
Other locations impacted by these severe thunderstorms include
Clinton Falls, Lemond, Merton, Matawan, Manchester, Steele Center,
Otisco, Bixby, Owatonna Airport and Hope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near a lake, get away from the water and move indoors or
inside a vehicle. remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 4383 9365 4385 9365 4385 9368 4393 9377
4396 9377 4405 9344 4419 9317 4419 9305
4380 9305 4367 9347
TIME...MOT...LOC 2301Z 322DEG 43KT 4411 9310 4398 9330 4390 9356
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF990
WWUS53 KMPX 042315
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
615 PM CDT MON SEP 4 2017
MNC047-147-161-042330-
/O.CON.KMPX.SV.W.0188.000000T0000Z-170904T2330Z/
Freeborn MN-Steele MN-Waseca MN-
615 PM CDT MON SEP 4 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHERN FREEBORN...SOUTHERN STEELE AND SOUTHEASTERN WASECA
COUNTIES...
At 615 PM CDT, severe thunderstorms were located along a line
extending from Bixby to near Geneva to Freeborn, moving southeast at
50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Blooming Prairie around 620 PM CDT.
Hollandale around 625 PM CDT.
Other locations impacted by these severe thunderstorms include
Manchester, Steele Center, Bixby and Matawan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near a lake, get away from the water and move indoors or
inside a vehicle. remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 4383 9365 4385 9365 4389 9336 4404 9305
4380 9305 4367 9347
TIME...MOT...LOC 2315Z 326DEG 41KT 4393 9309 4382 9331 4379 9355
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 2:51 PM CDT | Special Weather Statement | MPX | Morrison | 24 min |
| Sep 4, 4:28 PM CDT | Special Weather Statement | MPX | Carver, Dakota, Hennepin, Ramsey, Washington | 47 min |
| Sep 4, 5:04 PM CDT | Special Weather Statement | MPX | Goodhue, Le Sueur, Rice, Scott | 41 min |
| Sep 4, 6:14 PM CDT | Special Weather Statement | MPX | Meeker, Wright | 46 min |
| Sep 4, 6:20 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 40 min |
| Sep 4, 6:48 PM CDT | Special Weather Statement | MPX | Carver, Hennepin, Ramsey | 42 min |
| Sep 4, 6:56 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 31 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.