...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Frost Advisory, temperatures in the low to mid 30s will result in frost formation. For the Freeze Watch, sub-freezing temperatures in the mid to upper 20s possible. * WHERE...Cambria, Cameron, Clearfield, Elk, Potter, Somerset, Tioga, and Warren Counties. * WHEN...For the Frost Advisory, from 1 AM to 9 AM EDT Thursday. For the Freeze Watch, from Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Sub-freezing temperatures observed over a several hour duration could end the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... Those with agricultural interests should protect sensitive vegetation. &&