Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 68, NWS Twin Cities, MN

June 11, 2018Carver County, Hennepin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2018, 7:41 PM CDT for Carver County, Hennepin County, Minnesota. It was in force for 32 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 11, 2018, 7:41 PM CDT (00:41 UTC)
Expired
Jun 11, 2018, 8:13 PM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carver County, MN, Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 11 km from the middle of the area, began a volume at 00:44 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, 0.7 hours before the alert went out and 9 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 2018-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2018-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
2 J/kg
Mixed-layer CIN
-296 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
413 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

895 
WUUS53 KMPX 120041
SVRMPX
MNC019-053-120200-
/O.NEW.KMPX.SV.W.0068.180612T0041Z-180612T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
741 PM CDT MON JUN 11 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southwestern Hennepin County in east central Minnesota...
  East central Carver County in east central Minnesota...

* Until 900 PM CDT

* At 740 PM CDT, emergency management reported damaging winds 
  associated with showers over southwestern Hennepin county. This 
  area of damaging winds was nearly stationary. 

  HAZARD...60 mph wind gusts. 

  SOURCE...Emergency management. 

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

* Locations impacted include...
  Plymouth, Eden Prairie, Minnetonka, Chanhassen, Mound, Orono,
  Victoria, Minnetrista, Medina, Wayzata, Independence and St.
  Bonifacius.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4485 9376 4502 9376 4506 9345 4487 9344
TIME...MOT...LOC 0040Z 246DEG 9KT 4494 9362 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
1 follow-up statement
124 
WWUS53 KMPX 120113
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
813 PM CDT MON JUN 11 2018

MNC019-053-120121-
/O.CAN.KMPX.SV.W.0068.000000T0000Z-180612T0200Z/
Hennepin MN-Carver MN-
813 PM CDT MON JUN 11 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HENNEPIN AND EAST
CENTRAL CARVER COUNTIES IS CANCELLED...
                
Radar indicates the area of damaging winds over southwestern 
Hennepin county has weakened below severe limits, and no longer 
poses an immediate threat to life or property. Therefore the warning 
has been cancelled.  However, gusty winds are still possible.

LAT...LON 4485 9376 4502 9376 4506 9345 4487 9344
TIME...MOT...LOC 0109Z 246DEG 9KT 4497 9352 

$$

BORGHOFF

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.