Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 63, NWS Twin Cities, MN

June 6, 20185 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 6, 2018, 3:57 AM CDT for 5 counties in Minnesota. It was in force for 48 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 6, 2018, 3:57 AM CDT (08:57 UTC)
Expired
Jun 6, 2018, 4:45 AM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties McLeod County, MN, Meeker County, MN, Renville County, MN, Sibley County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 81 km from the middle of the area, began a volume at 08:56 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 6, 1:00 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.0 hours before the alert went out and 79 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 2018-06-06Temperature 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 2018-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 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
1959 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

780 
WUUS53 KMPX 060857
SVRMPX
MNC085-093-129-143-171-060945-
/O.NEW.KMPX.SV.W.0063.180606T0857Z-180606T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
357 AM CDT WED JUN 6 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southwestern Wright County in central Minnesota...
  Southern Meeker County in central Minnesota...
  Northwestern Sibley County in central Minnesota...
  McLeod County in central Minnesota...
  Northeastern Renville County in central Minnesota...

* Until 445 AM CDT

* At 356 AM CDT, severe thunderstorms were located along a line
  extending from near Grove City to near Cosmos to near Franklin,
  moving east at 55 mph.

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

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Severe thunderstorms will be near,
  Cosmos around 400 AM CDT. 
  Litchfield around 405 AM CDT. 
  Dassel around 415 AM CDT. 
  Hutchinson, Cokato and Stewart around 420 AM CDT. 
  Silver Lake and Brownton around 425 AM CDT. 

Other locations impacted by these severe thunderstorms include 
Strout, Corvuso, Smith Lake, Sumter, Greenleaf, Darwin, Biscay and 
Lakeside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9480 4489 9476 4498 9476 4514 9471
      4513 9401 4461 9402 4463 9492
TIME...MOT...LOC 0856Z 264DEG 47KT 4509 9466 4486 9473 4460 9489 

HAIL...0.75IN
WIND...60MPH
 
$$
2 follow-up statements
834 
WWUS53 KMPX 060924
SVSMPX

Severe Weather Statement National Weather Service Twin 
Cities/Chanhassen MN 424 AM CDT WED JUN 6 2018

MNC085-093-129-143-171-060945-
/O.CON.KMPX.SV.W.0063.000000T0000Z-180606T0945Z/
Wright MN-Meeker MN-Sibley MN-McLeod MN-Renville MN-
424 AM CDT WED JUN 6 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR SOUTHWESTERN WRIGHT...SOUTHEASTERN MEEKER...NORTHWESTERN
SIBLEY...MCLEOD AND NORTHEASTERN RENVILLE COUNTIES...

At 423 AM CDT, severe thunderstorms were located along a line
extending from near Cokato to near Silver Lake to near Fernando,
moving east at 55 mph.

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

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

These severe storms will be near...
  Howard Lake around 430 AM CDT. 
  Winsted and Lester Prairie around 435 AM CDT. 
  Arlington around 440 AM CDT. 

Other locations impacted by these severe thunderstorms include Smith 
Lake, Sumter, Greenleaf, Darwin, Biscay, Lakeside, Fernando and 
Plato.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4513 9401 4461 9402 4462 9462 4484 9456
      4514 9449
TIME...MOT...LOC 0923Z 264DEG 47KT 4512 9419 4489 9426 4463 9442 

HAIL...0.75IN
WIND...60MPH
 
$$
891 
WWUS53 KMPX 060938
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
438 AM CDT WED JUN 6 2018

MNC085-093-129-143-171-060947-
/O.EXP.KMPX.SV.W.0063.000000T0000Z-180606T0945Z/
Wright MN-Meeker MN-Sibley MN-McLeod MN-Renville MN-
438 AM CDT WED JUN 6 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WRIGHT...
SOUTHEASTERN MEEKER...NORTHWESTERN SIBLEY...MCLEOD AND NORTHEASTERN
RENVILLE COUNTIES WILL EXPIRE AT 445 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However wind 
gusts to 45mph are still possible with these thunderstorms.

A severe thunderstorm watch remains in effect until 600 AM CDT for
central Minnesota.

LAT...LON 4513 9401 4461 9402 4462 9462 4484 9456
      4514 9449
TIME...MOT...LOC 0937Z 264DEG 47KT 4514 9396 4491 9403 4465 9419 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 1:54 AM CDTSpecial Weather StatementMPXDouglas, Stevens, Todd66 min
Jun 6, 2:09 AM CDTSevere Thunderstorm WarningMPXDouglas, Todd51 min
Jun 6, 2:18 AM CDTSevere Thunderstorm WarningMPXPope, Stevens, Swift57 min
Jun 6, 2:20 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Yellow Medicine55 min
Jun 6, 3:11 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Pope, Stearns, Swift34 min
Jun 6, 3:35 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Renville25 min
Jun 6, 3:42 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns33 min
Jun 6, 4:34 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Le Sueur, Nicollet, Sibley, Watonwan41 min
Jun 6, 4:50 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Watonwan25 min
Jun 6, 5:02 AM CDTSpecial Weather StatementMPXDakota, Hennepin, Ramsey, Scott, Washington43 min
Jun 6, 5:24 AM CDTSpecial Weather StatementMPXFaribault, Freeborn, Steele, Waseca66 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018

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.