Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 99, NWS Sioux Falls, SD

June 27, 20174 counties in Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 27, 2017, 11:25 PM CDT for 4 counties in Minnesota. It was in force for 28 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 27, 2017, 11:25 PM CDT (04:25 UTC)
Expired
Jun 27, 2017, 11:53 PM CDT
In force
28 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Cottonwood County, MN, Jackson County, MN, Murray County, MN, Nobles County, MN

The radar

The Sioux Falls radar (KFSD), 85 km from the middle of the area, began a volume at 04:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 7:35 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.4 hours before the alert went out and 204 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2017-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2017-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2305 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

354 
WUUS53 KFSD 280425
SVRFSD
MNC033-063-101-105-280515-
/O.NEW.KFSD.SV.W.0099.170628T0425Z-170628T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
1125 PM CDT TUE JUN 27 2017

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for...
  Northwestern Jackson County in southwestern Minnesota...
  Northern Nobles County in southwestern Minnesota...
  Southwestern Cottonwood County in southwestern Minnesota...
  Southeastern Murray County in southwestern Minnesota...

* Until 1215 AM CDT

* At 1125 PM CDT, a severe thunderstorm was located near Wilmont, or
  12 miles southwest of Slayton, moving east at 30 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees. 

* This severe thunderstorm will be near, 
  Fulda around 1155 PM CDT. 

Other locations impacted by this severe thunderstorm include Kinbrae,
Dundee, Avoca and Iona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4371 9594 4390 9598 4406 9540 4376 9539
TIME...MOT...LOC 0425Z 253DEG 24KT 4383 9588 

HAIL...1.50IN
WIND...60MPH
 
$$

Hanko
1 follow-up statement
866 
WWUS53 KFSD 280453
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
1153 PM CDT TUE JUN 27 2017

MNC033-063-101-105-280503-
/O.CAN.KFSD.SV.W.0099.000000T0000Z-170628T0515Z/
Jackson MN-Nobles MN-Cottonwood MN-Murray MN-
1153 PM CDT TUE JUN 27 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JACKSON...
NORTHERN NOBLES...SOUTHWESTERN COTTONWOOD AND SOUTHEASTERN MURRAY
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 100 AM CDT for
southwestern Minnesota.

LAT...LON 4371 9594 4390 9598 4406 9540 4376 9539
TIME...MOT...LOC 0449Z 253DEG 24KT 4388 9563 

$$

Hanko

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 11:02 PM CDTSevere Thunderstorm WarningFSDRock43 min
Jun 27, 11:08 PM CDTSevere Thunderstorm WarningFSDLyon, Murray35 min
Jun 27, 11:39 PM CDTSevere Thunderstorm WarningFSDJackson, Nobles51 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.