Moderate

* WHAT...Heat index values up to 99 expected. * WHERE...Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, Western Passaic, and Western Union Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time.

* WHAT...Heat index values up to 99 expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. New York City residents should call 3 1 1 to identify cooling center locations and obtain 'Beat the Heat' safety tips. A Heat Advisory is issued when the combination of heat and humidity

At 920 AM CDT, Doppler radar was tracking a strong thunderstorm over Grand Saline, or 12 miles west of Mineola, moving north at 25 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. This storm will remain over mainly rural areas of north central Van Zandt and southeastern Rains Counties, including the following locations... Willow Springs. If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm.

At 859 AM CDT, Doppler radar indicated strong thunderstorms along a line extending from near Lee Creek to near Bonanza to 2 miles east of Robbers Cave State Park. Movement was east at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations in or near the path include... Fort Smith... Van Buren... Sallisaw... Poteau...

At 824 AM CDT, Doppler radar was tracking a strong thunderstorm over Culp, or 15 miles southeast of Mountain Home, moving northeast at 25 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Calico Rock... Oxford... Norfork... Salesville...

At 827 AM CDT, Doppler radar indicated strong thunderstorms along a line extending from 8 miles east of Bunch to 7 miles south of Gans to Blocker. Movement was east at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations in or near the path include... Fort Smith... Van Buren... Sallisaw... Poteau... Stilwell... Wilburton...

At 833 AM CDT, Doppler radar was tracking a strong thunderstorm 4 miles northeast of Ryan, moving northeast at 20 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Ryan and Sugden. If outdoors, consider seeking shelter inside a building.

At 842 AM CDT, Doppler radar indicated strong thunderstorms along a line extending from 3 miles northeast of Pea Ridge to 3 miles northwest of Fayetteville to 8 miles east of Stilwell. Movement was east at 40 mph. HAZARD...Wind gusts of 40 to 50 mph and dime to penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations in or near the path include...

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through Wednesday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard and away from rocks, jetties, and piers. 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

At 903 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Dixboro to near Ypsilanti to near Willis. Movement was northeast at 40 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near... Livonia, Romulus, Canton, and Belleville around 910 AM EDT. Northville around 915 AM EDT. Taylor and Dearborn around 920 AM EDT.