Moderate

* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Choctaw, Pittsburg, and Pushmataha Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

At 1231 PM CDT, Doppler radar was tracking a strong thunderstorm over De Soto, or over Quitman, moving southeast at 30 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This strong thunderstorm will be near... Shubuta and De Soto around 1235 PM CDT. Crandall around 1245 PM CDT. If outdoors, consider seeking shelter inside a building. High winds can bring down trees and large limbs resulting in serious

At 132 PM EDT, Doppler radar was tracking a strong thunderstorm over Myrtle Beach, moving east at 15 mph. HAZARD...Wind gusts up to 40 mph and half inch 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... Myrtle Beach, Myrtle Beach Airport, Barefoot Landing Area Of North Myrtle Beach, Briarcliffe Acres, and Grand Strand Regional Medical Center.

At 133 PM EDT, Doppler radar was tracking a strong thunderstorm 16 miles north of Steinhatchee, moving southeast at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Cross City, Perry, Pinland, Tennille, Cooks Hammock, Shamrock, Clara, Cross City Airport, Old Town, Guaranto Springs, Carbur, Hines, Jonesboro, Foley, Salem, Eugene, Fletcher, Perry-Foley Airport,

* WHAT...Life threatening waves to 4 feet and dangerous currents are expected. * WHERE...Sheboygan County. * WHEN...From Tuesday afternoon through Tuesday evening. * IMPACTS...Dangerous swimming conditions are expected due to high waves and onshore winds. Stay out of the water and away from dangerous areas like piers and breakwalls. Strong structural and longshore currents are expected. Rip currents are possible.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 113. For the Heat Advisory, temperatures up to 107 expected. * WHERE...The Rolling Plains and the extreme southeastern Texas Panhandle. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 1 PM to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses.

* WHAT...Temperatures up to 109. * WHERE...The South Plains and extreme southwestern Texas Panhandle. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures 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 fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

At 142 PM EDT, Doppler radar was tracking a strong thunderstorm near Crawfordville, moving north at 20 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Woodville, Crawfordville, St. Marks, Wakulla, Newport, Shadeville, Hyde Park, Wakulla Springs, Arran, Hilliardville, Tully, Shell Point, Port Leon, Medart, Wakulla Beach, Buckhorn, Spring Creek, Bethel, and Liveoak Island.

At 121 PM EDT/1221 PM CDT/, Doppler radar was tracking strong thunderstorms along a line extending from near Blountstown to Wewahitchka to near Apalachicola. Movement was southeast at 15 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Apalachicola, Blountstown, Stonemill Creek, White City, Orange, Wewahitchka, Bristol, Honeyville, Clarksville, Abe Springs, Vilas,

* WHAT...Dangerous rip currents. * WHERE...Dukes MA and Nantucket MA Counties. * WHEN...Until 6 PM EDT this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.