Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 16, NWS Twin Cities, MN

June 5, 2020Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 5, 2020, 12:00 AM CDT for Martin County, Minnesota. It was in force for 30 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 5, 2020, 12:00 AM CDT (05:00 UTC)
Expired
Jun 5, 2020, 12:30 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Martin County, MN

The radar

The Sioux Falls radar (KFSD), 163 km from the middle of the area, began a volume at 05:00 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, 5.0 hours before the alert went out and 166 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 2020-06-05Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2020-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
2762 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

737 
WUUS53 KMPX 050500
SVRMPX
MNC091-050530-
/O.NEW.KMPX.SV.W.0016.200605T0500Z-200605T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1200 AM CDT Fri Jun 5 2020

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southwestern Martin County in south central Minnesota...

* Until 1230 AM CDT.

* At 1200 AM CDT, a severe thunderstorm was located near Jackson In
  Jackson County, moving southeast at 55 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Fairmont, Sherburn, Trimont, Welcome, Ceylon, Iowa Lake,
  Okamanpedan Lake, Dunnell, Wilbert and Foxlake.

This includes Interstate 90 between mile markers 82 and 96.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4350 9485 4385 9486 4350 9425
TIME...MOT...LOC 0500Z 294DEG 46KT 4361 9488 

HAIL...1.00IN
WIND...60MPH
 
$$

BPH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 9:08 PM CDTSpecial Weather StatementMPXLac qui Parle37 min
Jun 4, 9:30 PM CDTSevere Thunderstorm WarningMPXYellow Medicine30 min
Jun 4, 10:03 PM CDTSpecial Weather StatementMPXYellow Medicine42 min
Jun 4, 10:47 PM CDTSpecial Weather StatementMPXRedwood43 min
Jun 4, 10:55 PM CDTSpecial Weather StatementMPXRedwood35 min
Jun 5, 12:35 AM CDTSpecial Weather StatementMPXMartin25 min
Jun 5, 12:39 AM CDTSpecial Weather StatementMPXDakota, Rice, Scott51 min
Jun 5, 1:20 AM CDTSpecial Weather StatementMPXGoodhue40 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2020Every severe thunderstorm warning in 2020

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.