UPCOMING SIREN TEST THURSDAY, AUGUST 15TH Susquehanna Nuclear will test all of the emergency alert sirens around the Susquehanna plant on Thursday, August 15th, at 11 a.m. After the sirens sound, local emergency alert system radio and television stations will carry a message about the test. Remember, if you hear a siren sound at 11 a.m. on Thursday, August 15th, with a steady signal for three minutes, it's only a test. You may also receive Emergency Alert information from your County EMA via cellular or landline phones during this test. TEAM SUSQUEHANNA a division of Talen Energy UPCOMING SIREN TEST THURSDAY , AUGUST 15TH Susquehanna Nuclear will test all of the emergency alert sirens around the Susquehanna plant on Thursday , August 15th , at 11 a.m. After the sirens sound , local emergency alert system radio and television stations will carry a message about the test . Remember , if you hear a siren sound at 11 a.m. on Thursday , August 15th , with a steady signal for three minutes , it's only a test . You may also receive Emergency Alert information from your County EMA via cellular or landline phones during this test . TEAM SUSQUEHANNA a division of Talen Energy