Moderate

* WHAT...Warm air temperatures in the 80s to low 90s may cause people to underestimate the dangers of the cold water temperatures in the upper 50s to around 60. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...The cold water temperatures can quickly cause hypothermia to anyone immersed in the water. When the water

* WHAT....The warm temperatures in the middle to upper 70s to middle 80s may cause people to underestimate the dangers of the cold water temperatures which are currently in the upper 40s. * WHERE...Coastal Hancock and Coastal Washington Counties. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...The cold water temperatures can quickly cause hypothermia to anyone immersed in the waters. Anyone on boats or paddlecraft should use extreme caution to avoid this threat.

* WHAT...Heat index values up to 105 expected. * WHERE...Cowley, Harper, Kingman, and Sumner Counties. * WHEN...From noon today to 7 PM CDT this evening. * 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.

Light winds, clear skies, and lingering lower level moisture will combine to produce patchy dense fog across portions of western Kentucky, southeast Missouri, and far southern Illinois. Visibility may drop to 1/4 mile or less. Conditions will improve by 7 AM or shortly thereafter. Use caution if travelling early this morning. If you encounter dense fog, take it slow and use low beam headlights.

* WHAT...Heat index values up to 109 expected. * WHERE...In Arkansas, Crittenden, Cross, Lee AR, Phillips, and St. Francis Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...From noon today to 8 PM CDT this evening. * 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.

At 122 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Boys Ranch to Glenrio. Movement was east at 45 mph. HAZARD...Wind gusts up to 50 mph and heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Heavy rainfall with rates exceeding 1 inch per hour may lead to flooding of low lying and poor drainage areas. Locations impacted include... Vega, Adrian, Boys Ranch, Glenrio, Wildorado, and Valley De Oro.

* WHAT...Heat index values of 106 to 110 degrees expected. * WHERE...Portions of the Eastern Florida Panhandle, Florida Big Bend, and far Southwestern Georgia. * WHEN...From noon EDT /11 AM CDT/ today to 6 PM EDT /5 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may increase potential for heat-related illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sunshine, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and

At 227 AM EDT, Doppler radar was tracking a strong thunderstorm 7 miles west of Cedar Island, moving east at 15 mph. Additional strong thunderstorms are developing across the impacted area. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... New Bern, Havelock, Morehead City, Newport, Cedar Island, South

At 131 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Cestos to near Leedey to 6 miles east of Strong City to 4 miles southeast of Reydon. Movement was east at 30 mph. HAZARD...Wind gusts of 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Cheyenne, Taloga, Seiling, Vici, Hammon, Leedey, Butler, Reydon,

* WHAT...Heat index values of 102 to 108 are expected. * WHERE...A portion of the southern and eastern Piedmont, Sandhills and southern Coastal Plain of North Carolina. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * 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 on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose