Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 94, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 30, 2017, 5:59 PM CDT for Freeborn County, Steele County, Minnesota. It was in force for 31 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
- Jun 30, 2017, 5:59 PM CDT (22:59 UTC)
- Expired
- Jun 30, 2017, 6:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Freeborn County, MN, Steele County, MN
The radar
The Minneapolis radar (KMPX), 119 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 120 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
- 1236 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -77 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
276
WUUS53 KMPX 302259
SVRMPX
MNC047-147-302330-
/O.NEW.KMPX.SV.W.0094.170630T2259Z-170630T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
559 PM CDT FRI JUN 30 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Freeborn County in south central Minnesota...
Southeastern Steele County in south central Minnesota...
* Until 630 PM CDT
* At 559 PM CDT, a severe thunderstorm was located near Blooming
Prairie, or 13 miles northwest of Austin, moving southeast at 25
mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* this severe thunderstorm will remain over mainly rural areas of
northeastern Freeborn and southeastern Steele Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in The Twin Cities.
&&
LAT...LON 4382 9322 4392 9308 4391 9305 4366 9306
TIME...MOT...LOC 2259Z 310DEG 22KT 4384 9312
HAIL...1.50IN
WIND...<50MPH
$$
JPC1 follow-up statement
605
WWUS53 KMPX 302320
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
620 PM CDT FRI JUN 30 2017
MNC047-147-302330-
/O.EXP.KMPX.SV.W.0094.000000T0000Z-170630T2330Z/
Freeborn MN-Steele MN-
620 PM CDT FRI JUN 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FREEBORN AND
SOUTHEASTERN STEELE COUNTIES WILL EXPIRE AT 630 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4382 9322 4392 9308 4391 9305 4366 9306
TIME...MOT...LOC 2320Z 310DEG 22KT 4376 9299
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:38 PM CDT | Special Weather Statement | MPX | Faribault, Martin, Watonwan | 52 min |
| Jun 29, 9:24 PM CDT | Special Weather Statement | MPX | Freeborn | 21 min |
| Jun 29, 9:29 PM CDT | Special Weather Statement | MPX | Benton | 31 min |
| Jun 29, 9:31 PM CDT | Special Weather Statement | MPX | Benton | 29 min |
| Jun 29, 9:53 PM CDT | Special Weather Statement | MPX | Benton | 37 min |
| Jun 29, 10:40 PM CDT | Special Weather Statement | MPX | Kanabec | 50 min |
| Jun 30, 5:01 PM CDT | Special Weather Statement | MPX | Rice | 59 min |
| Jun 30, 5:11 PM CDT | Special Weather Statement | MPX | Faribault, Steele, Waseca | 49 min |
| Jun 30, 6:05 PM CDT | Special Weather Statement | MPX | Steele | 55 min |
| Jun 30, 6:19 PM CDT | Special Weather Statement | MPX | Mille Lacs | 41 min |
| Jun 30, 6:57 PM CDT | Special Weather Statement | MPX | Wright | 63 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.