The National Weather Service has just issued a tornado warning for parts of Middlesex County and Worcester County until 9:30 a.m.

Here is the NWS alert:

The National Weather Service in Boston/Norton has issued a

• Tornado Warning for…
  Southeastern Worcester County in central Massachusetts…
  South central Middlesex County in northeastern Massachusetts…

• Until 930 AM EDT.

• At 858 AM EDT, a severe thunderstorm capable of producing a
  tornado was located near Sutton, or 11 miles south of Worcester,
  moving northeast at 25 mph.

HAZARD…Tornado.

SOURCE…Radar indicated rotation.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

• This dangerous storm will be near…
  Worcester, Shrewsbury, Westborough, Grafton, Auburn, Northbridge,
  Oxford, Millbury, Sutton, and Upton around 905 AM EDT.
  Hopkinton around 910 AM EDT.
  Milford around 915 AM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.