Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 79, NWS Twin Cities, MN

June 14, 20176 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 14, 2017, 12:25 AM CDT for 6 counties in Minnesota. It was in force for 50 min. 2 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, 12:25 AM CDT (05:25 UTC)
Expired
Jun 14, 2017, 1:15 AM CDT
In force
50 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Anoka County, MN, Chisago County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 48 km from the middle of the area, began a volume at 05:28 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

TimeReportWhereRemark
Jun 14, 12:45 AM CDTTSTM WND DMG3 Nw Mendota Heights, MN5 DIAMETER TREE SNAPPED.
Jun 14, 12:45 AM CDTTSTM WND DMGSt. Paul, MNTREES DOWN ON SUMMIT AVENUE AND CRETIN AVENUE. REPORTED VIA TWITTER. INCLUDED PHOTO. TIME ESTIMATED.

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, 5.4 hours before the alert went out and 51 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 2017-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2418 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 2017-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
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.

909 
WUUS53 KMPX 140525
SVRMPX
MNC003-025-037-053-123-163-140615-
/O.NEW.KMPX.SV.W.0079.170614T0525Z-170614T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1225 AM CDT WED JUN 14 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Eastern Hennepin County in east central Minnesota...
  Northern Dakota County in east central Minnesota...
  Southeastern Chisago County in east central Minnesota...
  Anoka County in east central Minnesota...
  Washington County in east central Minnesota...
  Ramsey County in east central Minnesota...

* Until 115 AM CDT

* At 1225 AM CDT, severe thunderstorms were located along a line
  extending from near Rogers to Mn Valley State Rec Area, moving east
  at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Severe thunderstorms will be near,
  Maple Grove around 1230 AM CDT. 
  Brooklyn Park, Ramsey and Champlin around 1235 AM CDT. 
  Coon Rapids, Andover and Anoka around 1240 AM CDT. 
  Savage around 1245 AM CDT. 
  Burnsville and Ham Lake around 1250 AM CDT. 
  Apple Valley and East Bethel around 1255 AM CDT. 
  Bloomington and Rosemount around 100 AM CDT. 
  Eagan, Forest Lake and Stacy around 105 AM CDT. 

Other locations impacted by these severe thunderstorms include
Wyoming, North St. Paul, Cedar, Sunfish, Lexington, Shafer, Oak Park
Heights, Mall Of America, Pine Springs and Fort Snelling.

This includes the following highways...
 Interstate 35 between mile markers 130 and 139.
 U.S. Highway 8 in Minnesota between mile markers 0 and 5, and
between mile markers 7 and 18.
 U.S. Highway 61 between mile markers 163 and 164.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4532 9271 4529 9276 4510 9275 4507 9280
      4503 9276 4474 9281 4472 9333 4479 9333
      4480 9329 4504 9322 4504 9327 4506 9329
      4504 9344 4531 9341 4545 9269
TIME...MOT...LOC 0525Z 249DEG 41KT 4521 9360 4465 9368 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
693 
WWUS53 KMPX 140556
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1256 AM CDT WED JUN 14 2017

MNC053-140605-
/O.CAN.KMPX.SV.W.0079.000000T0000Z-170614T0615Z/
Hennepin MN-
1256 AM CDT WED JUN 14 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HENNEPIN COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4532 9271 4529 9276 4510 9275 4507 9280
      4503 9276 4474 9281 4473 9315 4511 9307
      4538 9305 4545 9269
TIME...MOT...LOC 0555Z 248DEG 44KT 4538 9289 4482 9297 

$$

MNC003-025-037-123-163-140615-
/O.CON.KMPX.SV.W.0079.000000T0000Z-170614T0615Z/
Dakota MN-Chisago MN-Anoka MN-Washington MN-Ramsey MN-
1256 AM CDT WED JUN 14 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR NORTHEASTERN DAKOTA...SOUTHEASTERN CHISAGO...EAST CENTRAL
ANOKA...WASHINGTON AND EASTERN RAMSEY COUNTIES...

At 1255 AM CDT, severe thunderstorms were located along a line
extending from Chisago City to St. Paul Park, moving east at 50 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...
  Chisago City, Lindstrom and Center City around 100 AM CDT. 

Other locations impacted by these severe thunderstorms include
Newport, Otisville, Wyoming, Willernie, North St. Paul, Sunfish,
Shafer, Oak Park Heights, St Paul Airport and Sunfish Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4532 9271 4529 9276 4510 9275 4507 9280
      4503 9276 4474 9281 4473 9315 4511 9307
      4538 9305 4545 9269
TIME...MOT...LOC 0555Z 248DEG 44KT 4538 9289 4482 9297 

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:30 PM CDTSevere Thunderstorm WarningMPXStevens33 min
Jun 13, 8:12 PM CDTSpecial Weather StatementMPXLac qui Parle48 min
Jun 13, 8:38 PM CDTSevere Thunderstorm WarningMPXStevens37 min
Jun 13, 8:49 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope41 min
Jun 13, 9:58 PM CDTSpecial Weather StatementMPXTodd47 min
Jun 13, 10:43 PM CDTSpecial Weather StatementMPXBrown, Redwood, Renville62 min
Jun 13, 11:02 PM CDTSpecial Weather StatementMPXMartin, Watonwan58 min
Jun 13, 11:13 PM CDTSpecial Weather StatementMPXBrown, McLeod, Nicollet, Sibley47 min
Jun 13, 11:29 PM CDTSpecial Weather StatementMPXBlue Earth, Faribault46 min
Jun 13, 11:43 PM CDTSpecial Weather StatementMPXCarver, Dakota, Hennepin, Ramsey, Scott62 min
Jun 14, 12:00 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott45 min
Jun 14, 12:17 AM CDTSpecial Weather StatementMPXAnoka43 min
Jun 14, 12:38 AM CDTSpecial Weather StatementMPXDakota, Goodhue52 min
Jun 14, 12:43 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice47 min
Jun 14, 12:54 AM CDTSpecial Weather StatementMPXSteele36 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Every 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.