* WHAT. Sub-freezing temperatures as low as 29 expected. * WHERE. Eastern Norfolk MA, Southeast Middlesex MA, Suffolk MA, Eastern Essex MA, and Eastern Plymouth MA Counties. * WHEN. From 2 AM to 8 AM EDT Thursday. * IMPACTS. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT. Sub-freezing temperatures as low as 28 expected. * WHERE. Portions of northern Connecticut, southeastern Massachusetts, and northern and southern Rhode Island. * WHEN. From 2 AM to 8 AM EDT Thursday. * IMPACTS. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT. Temperatures dropping to around freezing. * WHERE. In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Western Bergen and Western Passaic Counties. In New York, Northern Westchester, Orange, Putnam, and Rockland Counties. * WHEN. From 3 AM to 9 AM EDT Thursday. * IMPACTS. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT. For the Freeze Warning, sub-freezing temperatures as low as 31. For the Freeze Watch, sub-freezing temperatures as low as 27 possible. * WHERE. In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Western Passaic County. In New York, Orange and Putnam Counties. * WHEN. For the Freeze Warning, until 9 AM EDT this morning. For the Freeze Watch, from late tonight through Friday morning. * IMPACTS. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT. For the Freeze Warning, sub-freezing temperatures as low as 30. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE. Portions of northern Connecticut, eastern, northeastern, and southeastern Massachusetts, and northern and southern Rhode Island. * WHEN. For the Freeze Warning, until 8 AM EDT this morning. For the Freeze Watch, from late tonight through Friday morning. * IMPACTS. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.