Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 30, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 16, 2017, 5:32 PM CDT for Dakota County, Goodhue County, Rice County, Minnesota. It was in force for 43 min. 1 report 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
- May 16, 2017, 5:32 PM CDT (22:32 UTC)
- Expired
- May 16, 2017, 6:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Dakota County, MN, Goodhue County, MN, Rice County, MN
The radar
The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 22:35 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 |
|---|---|---|---|
| May 16, 5:55 PM CDT | HAIL 2.5 | Northfield, MN | REPORTED VIA TWITTER. INCLUDED PHOTO. |
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 |
|---|---|---|---|
| May 16, 4:08 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 46 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
- 241 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 1186 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.3
The text
As transmitted.
015
WUUS53 KMPX 162232
SVRMPX
MNC037-049-131-162315-
/O.NEW.KMPX.SV.W.0030.170516T2232Z-170516T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
532 PM CDT TUE MAY 16 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Dakota County in east central Minnesota...
West central Goodhue County in southeastern Minnesota...
Northeastern Rice County in south central Minnesota...
* Until 615 PM CDT
* At 532 PM CDT, a severe thunderstorm was located near Webster, or 7
miles northwest of Northfield, moving east at 25 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near,
Northfield around 545 PM CDT.
Farmington and Stanton around 600 PM CDT.
Cannon Falls around 615 PM CDT.
Other locations impacted by this severe thunderstorm include
Vermillion, Castle Rock, Hampton, Lake Byllesby, Randolph and New
Trier.
This includes Interstate 35 between mile markers 67 and 74.
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.
&&
LAT...LON 4443 9337 4453 9339 4455 9335 4454 9328
4458 9328 4471 9298 4446 9282
TIME...MOT...LOC 2232Z 248DEG 23KT 4449 9330
HAIL...1.25IN
WIND...<50MPH
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 8:53 PM CDT | Special Weather Statement | MPX | Faribault | 37 min |
| May 15, 9:32 PM CDT | Severe Thunderstorm Warning | MPX | Waseca | 43 min |
| May 15, 9:55 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Waseca | 35 min |
| May 15, 10:04 PM CDT | Severe Thunderstorm Warning | MPX | Steele | 56 min |
| May 15, 10:25 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 26 min |
| May 15, 11:11 PM CDT | Special Weather Statement | MPX | Waseca | 34 min |
| May 15, 11:39 PM CDT | Special Weather Statement | MPX | Rice | 36 min |
| May 16, 1:18 AM CDT | Special Weather Statement | MPX | Rice | 42 min |
| May 16, 3:05 AM CDT | Special Weather Statement | MPX | Lac qui Parle, Yellow Medicine | 55 min |
| May 16, 3:47 AM CDT | Special Weather Statement | MPX | Chippewa, Kandiyohi, Stevens, Swift | 28 min |
| May 16, 4:20 AM CDT | Special Weather Statement | MPX | Kandiyohi, Stearns | 55 min |
| May 16, 5:06 AM CDT | Special Weather Statement | MPX | Brown, Martin, Redwood, Watonwan | 84 min |
| May 16, 2:54 PM CDT | Flash Flood Watch | MPX | Faribault, Freeborn, Goodhue, Rice, Steele, Waseca | 12 hr |
| May 16, 3:04 PM CDT | Special Weather Statement | MPX | Rice | 26 min |
| May 16, 3:27 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 48 min |
| May 16, 4:06 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Washington | 39 min |
| May 16, 4:38 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 52 min |
| May 16, 5:42 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 33 min |
| May 16, 6:16 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 44 min |
| May 16, 6:58 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 47 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.