Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 78, NWS Twin Cities, MN

June 14, 2017Carver County, Hennepin County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 14, 2017, 12:00 AM CDT for Carver County, Hennepin County, Scott County, Minnesota. It was in force for 45 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 14, 2017, 12:00 AM CDT (05:00 UTC)
Expired: Jun 14, 2017, 12:45 AM CDT
In force: 45 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, Scott County, MN

The radar

The Minneapolis radar (KMPX), 3 km from the middle of the area, began a volume at 05:04 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.

What was reported inside it

Time	Report	Where	Remark
Jun 14, 12:02 AM CDT	TSTM WND DMG	1 Wnw Waconia, MN	CO RD. 10 CLOSED BETWEEN CO RD 30 AND WACONIA PARKWAY DUE TO DOWNED POWER LINE.
Jun 14, 12:22 AM CDT	TSTM WND GST 58	2 Wsw Eden Prairie, MN	MEASURED AT FLYING CLOUD AIRPORT.
Jun 14, 12:30 AM CDT	TSTM WND DMG	Bloomington, MN	TREES AND POWER LINES DOWN NEAR WEST BUSH LAKE ROAD AND 84TH ST. TIME ESTIMATED.
Jun 14, 12:30 AM CDT	TSTM WND GST 55	2 Nw Richfield, MN	MEASURED NEAR HWY 62 BETWEEN XERXES AND PENN AVE. TIME ESTIMATED.
Jun 14, 12:38 AM CDT	TSTM WND GST 50	Minneapolis, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 5.0 hours before the alert went out and 5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2418 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1530 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

127 
WUUS53 KMPX 140500
SVRMPX
MNC019-053-139-140545-
/O.NEW.KMPX.SV.W.0078.170614T0500Z-170614T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1200 AM CDT WED JUN 14 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southern Hennepin County in east central Minnesota...
  Northeastern Scott County in east central Minnesota...
  Central Carver County in east central Minnesota...

* Until 1245 AM CDT

* At 1200 AM CDT, severe thunderstorms were located along a line
  extending from near Watertown to near Cologne, moving east at 40
  mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Severe thunderstorms will be near,
  St. Bonifacius around 1205 AM CDT. 
  Chanhassen, Mound, Victoria, Minnetrista and Maple Plain around 
  1210 AM CDT. 
  Orono, Medina, Independence and Excelsior around 1215 AM CDT. 
  Chaska, Carver and Wayzata around 1220 AM CDT. 
  Minnetonka and Hopkins around 1225 AM CDT. 
  Plymouth, St. Louis Park, Shakopee and Prior Lake around 1230 AM 
  CDT. 
  Minneapolis, Eden Prairie, Brooklyn Center, Savage and Golden 
  Valley around 1235 AM CDT. 
  Edina, Fridley and Columbia Heights around 1240 AM CDT. 

Other locations impacted by these severe thunderstorms include
Medicine Lake, Robbinsdale, Greenwood, Deephaven, Flying Cloud
Airport, Woodland, North Minneapolis, Shorewood, Lake Waconia and
South Minneapolis.

This includes  Mystic Lake Casino.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 200 AM CDT for central
Minnesota.

LAT...LON 4468 9384 4498 9382 4498 9377 4499 9376
      4506 9329 4504 9328 4504 9322 4480 9329
      4479 9333 4472 9333 4468 9368
TIME...MOT...LOC 0500Z 251DEG 36KT 4495 9380 4473 9385 

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

1 follow-up statement

955 
WWUS53 KMPX 140527
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1227 AM CDT WED JUN 14 2017

MNC019-053-139-140545-
/O.CON.KMPX.SV.W.0078.000000T0000Z-170614T0545Z/
Hennepin MN-Scott MN-Carver MN-
1227 AM CDT WED JUN 14 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR SOUTHEASTERN HENNEPIN...NORTHEASTERN SCOTT AND SOUTHEASTERN
CARVER COUNTIES...

At 1227 AM CDT, severe thunderstorms were located along a line
extending from Orono to near Carver, moving east at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Minneapolis, Bloomington, Plymouth, Eden Prairie, Minnetonka, Edina,
St. Louis Park, Shakopee, Richfield, Brooklyn Center, Fridley and
Savage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4506 9329 4504 9328 4504 9322 4480 9329
      4479 9333 4472 9333 4468 9368 4502 9358
TIME...MOT...LOC 0527Z 255DEG 41KT 4498 9362 4476 9367 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 7:30 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	33 min
Jun 13, 8:12 PM CDT	Special Weather Statement	MPX	Lac qui Parle	48 min
Jun 13, 8:38 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	37 min
Jun 13, 8:49 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope	41 min
Jun 13, 9:58 PM CDT	Special Weather Statement	MPX	Todd	47 min
Jun 13, 10:43 PM CDT	Special Weather Statement	MPX	Brown, Redwood, Renville	62 min
Jun 13, 11:02 PM CDT	Special Weather Statement	MPX	Martin, Watonwan	58 min
Jun 13, 11:13 PM CDT	Special Weather Statement	MPX	Brown, McLeod, Nicollet, Sibley	47 min
Jun 13, 11:29 PM CDT	Special Weather Statement	MPX	Blue Earth, Faribault	46 min
Jun 13, 11:43 PM CDT	Special Weather Statement	MPX	Carver, Dakota, Hennepin, Ramsey, Scott	62 min
Jun 14, 12:17 AM CDT	Special Weather Statement	MPX	Anoka	43 min
Jun 14, 12:25 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington	50 min
Jun 14, 12:38 AM CDT	Special Weather Statement	MPX	Dakota, Goodhue	52 min
Jun 14, 12:43 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice	47 min
Jun 14, 12:54 AM CDT	Special Weather Statement	MPX	Steele	36 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.