Expected

* WHAT...Heat index values up to 110. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northeast, south central, southeast, and southwest Mississippi. * WHEN...From 10 AM to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Dangerously hot conditions with heat index values in excess of 110 degrees. * WHERE...Portions of central, north central, northwest, southwest, and west central Mississippi. * WHEN...From 10 AM to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with heat index values in excess of 110 degrees. * WHERE...Portions of north central and northwest Mississippi. * WHEN...From 10 AM to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with heat index values in excess of 110 degrees. * WHERE...Portions of central, north central, northwest, southwest, and west central Mississippi. * WHEN...From 10 AM to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with heat index values in excess of 110 degrees. * WHERE...Portions of north central and northwest Mississippi. * WHEN...From 10 AM to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Up to one and a half feet of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 3 AM to 8 AM EDT Tuesday, especially around the time of high tide. * IMPACTS...At 2.6 feet, water may begin to pond in the parking lot at Annapolis City Dock, and surround the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 5:30 AM.

* WHAT...High risk of rip currents expected. * WHERE...Northern Erie County. * WHEN...From Tuesday afternoon through Wednesday afternoon. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...High risk of rip currents expected. * WHERE...Erie, Lorain, Cuyahoga, Lake and Ashtabula Lakeshore Counties. * WHEN...From 8 AM EDT Tuesday through late Wednesday night. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Michigan, including the following counties, Antrim, Crawford, Grand Traverse and Kalkaska. * WHEN...Until 1245 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 942 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin

Heat indices have fallen out of advisory criteria and will continue to fall this evening.