Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 63, NWS Twin Cities, MN

June 27, 2019Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 27, 2019, 11:06 PM CDT for Steele County, Minnesota. It was in force for 24 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, 2019, 11:06 PM CDT (04:06 UTC)
Expired
Jun 27, 2019, 11:30 PM CDT
In force
24 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

County Steele County, MN

The radar

The Minneapolis radar (KMPX), 98 km from the middle of the area, began a volume at 04:09 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 00:00Z, 4.1 hours before the alert went out and 99 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 2019-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2019-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
46 J/kg
Mixed-layer CIN
-330 J/kg
Mixed-layer LCL
1679 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

588 
WUUS53 KMPX 280406
SVRMPX
MNC147-280430-
/O.NEW.KMPX.SV.W.0063.190628T0406Z-190628T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1106 PM CDT Thu Jun 27 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Steele County in south central Minnesota...

* Until 1130 PM CDT.

* At 1106 PM CDT, a severe thunderstorm was located near Claremont,
  or 7 miles southeast of Owatonna, moving east at 20 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.

* Locations impacted include...
  Bixby.

This includes U.S. Highway 14 between mile markers 177 and 182.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4398 9322 4412 9314 4411 9305 4391 9305
TIME...MOT...LOC 0406Z 289DEG 20KT 4402 9311 

HAIL...1.50IN
WIND...<50MPH
 
$$

SPD

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 9:29 PM CDTSpecial Weather StatementMPXGoodhue, Rice31 min
Jun 27, 9:47 PM CDTSevere Thunderstorm WarningMPXGoodhue43 min
Jun 27, 10:02 PM CDTSpecial Weather StatementMPXSteele28 min
Jun 27, 10:16 PM CDTSevere Thunderstorm WarningMPXSteele16 min
Jun 27, 10:33 PM CDTSpecial Weather StatementMPXGoodhue27 min
Jun 28, 3:25 AM CDTSpecial Weather StatementMPXGoodhue95 min
Jun 28, 5:04 AM CDTSpecial Weather StatementMPXSteele86 min
Jun 28, 9:44 AM CDTRiver Flood WarningMPXGoodhue34 hr
Jun 28, 10:55 AM CDTExcessive Heat WatchMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more17 hr
Jun 28, 2:44 PM CDTHeat AdvisoryMPXAnoka, Blue Earth, Brown, Carver, Chippewa, Chisago and 28 more49 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019Every severe thunderstorm warning in 2019

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.