Severe Storm Warnings West/Northwest Metro. The approaching squall line is showing some signs of "bowing out", which may hint at damaging straight line winds. NWS Doppler at 10 AM is also estimating some 1-2" hail with a few of these storms, especially northern Hennepin County. Details from the Twin Cities NWS:

BULLETIN - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

933 AM CDT THU SEP 19 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  NORTHWESTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA...

  NORTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...

  NORTHEASTERN MCLEOD COUNTY IN CENTRAL MINNESOTA...

  WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1015 AM CDT

* AT 927 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR

  HUTCHINSON...AND MOVING EAST AT 60 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...

  LAKE MINNETONKA...BUFFALO...PLYMOUTH...MAPLE GROVE...BROOKLYN

  PARK...COKATO...LESTER PRAIRIE...SMITH LAKE...WINSTED...HOWARD

  LAKE...NEW GERMANY...WAVERLY...MAYER...RASSAT...MAPLE LAKE...MAPLE

  LAKE AIRPORT...MONTROSE...WATERTOWN...ST BONIFACIUS AND BUFFALO

  AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A

BUILDING.TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.

THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE

TWIN CITIES.

LARGE HAIL...DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING

IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. LIGHTNING

KILLS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO

BE STRUCK BY LIGHTNING.