Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 189, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 4, 2017, 6:20 PM CDT for Faribault County, Freeborn County, Minnesota. It was in force for 40 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
- Sep 4, 2017, 6:20 PM CDT (23:20 UTC)
- Expired
- Sep 4, 2017, 7:00 PM CDT
- In force
- 40 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
The radar
The Minneapolis radar (KMPX), 129 km from the middle of the area, began a volume at 23:20 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.3 hours before the alert went out and 130 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.
970
WUUS53 KMPX 042320
SVRMPX
MNC043-047-050000-
/O.NEW.KMPX.SV.W.0189.170904T2320Z-170905T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
620 PM CDT MON SEP 4 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...
* Until 700 PM CDT
* At 620 PM CDT, severe thunderstorms were located along a line
extending from Blooming Prairie to near Clarks Grove to Wells,
moving southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near,
Albert Lea around 625 PM CDT.
Hollandale around 630 PM CDT.
Hayward, Mansfield and Conger around 635 PM CDT.
Glenville around 640 PM CDT.
Emmons, London and Twin Lakes around 645 PM CDT.
Other locations impacted by these severe thunderstorms include
Kiester, Albert Lea Airport, Myrtle, Baroda, Brush Creek, Walters and
Manchester.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4377 9400 4373 9357 4373 9339 4380 9305
4350 9305 4350 9371
TIME...MOT...LOC 2320Z 313DEG 40KT 4386 9304 4376 9339 4374 9373
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF2 follow-up statements
813
WWUS53 KMPX 042332
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
632 PM CDT MON SEP 4 2017
MNC043-047-050000-
/O.CON.KMPX.SV.W.0189.000000T0000Z-170905T0000Z/
Freeborn MN-Faribault MN-
632 PM CDT MON SEP 4 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR FREEBORN AND SOUTHEASTERN FARIBAULT COUNTIES...
At 631 PM CDT, severe thunderstorms were located along a line
extending from near I 90 Exit 175 to Albert Lea to near Brush Creek,
moving southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated. Scattered reports of damaged power poles
were reported earlier in Owatonna.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Hayward around 635 PM CDT.
Twin Lakes around 640 PM CDT.
Glenville, London and Mansfield around 645 PM CDT.
Other locations impacted by these severe thunderstorms include
Kiester, Albert Lea Airport, Myrtle, Baroda, Brush Creek, Walters and
Manchester.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4377 9400 4373 9357 4373 9339 4380 9305
4350 9305 4350 9371
TIME...MOT...LOC 2331Z 332DEG 37KT 4371 9306 4364 9338 4366 9378
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF293
WWUS53 KMPX 042359
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
659 PM CDT MON SEP 4 2017
MNC043-047-050009-
/O.EXP.KMPX.SV.W.0189.000000T0000Z-170905T0000Z/
Freeborn MN-Faribault MN-
659 PM CDT MON SEP 4 2017
...THE SEVERE THUNDERSTORM WARNING FOR FREEBORN AND SOUTHEASTERN
FARIBAULT COUNTIES WILL EXPIRE AT 700 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore the warning will
be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4377 9400 4373 9357 4373 9339 4380 9305
4350 9305 4350 9371
TIME...MOT...LOC 2359Z 313DEG 40KT 4350 9275 4343 9307 4345 9347
$$
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, 5:44 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Rice, Steele, Waseca | 46 min |
| Sep 4, 6:14 PM CDT | Special Weather Statement | MPX | Meeker, Wright | 46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.