Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central New York and northeast Pennsylvania. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous, especially in valley locations. If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you.

At 125 AM CDT, Doppler radar indicated a strong thunderstorm 5 miles east of Mounds, moving south at 25 mph. HAZARD...Wind gusts up to 40 mph and 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... Okmulgee... Morris... Preston... Bald Hill... Liberty... Hectorville...

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From 2 PM EDT this afternoon through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures.

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Georgia and southeast South 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 up on relatives and neighbors.

* WHAT...Dangerous rip currents expected. * WHERE...East facing reefs of the Marianas. * WHEN...Through Sunday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...An east to northeast swell associated with Tropical Storm Saudel will bring an increase in surf and produce a high risk of rip currents along the east-facing reefs of Guam and Rota through at least Sunday afternoon. As Saudel moves closer to

* WHAT...For the High Surf Advisory, large breaking waves of 7 to 10 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...North facing reefs of Tinian and Saipan. * WHEN...Until 5 PM ChST Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...An east to northeast swell associated with Tropical Storm Saudel will bring hazardous surf along north facing

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of southeast North Carolina and northeast South 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 up on relatives and neighbors.

At 211 AM EDT, Doppler radar was tracking a cluster of strong thunderstorms 12 miles north of Ducktown, moving northeast at 10 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... Tellico Plains, Bullet Creek, Coker Creek, Violet, and Turtletown. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to

At 1213 AM MDT/113 AM CDT/, Doppler radar was tracking a strong thunderstorm 8 miles southwest of Winona, or 21 miles east of Sharon Springs, moving southwest at 20 mph. HAZARD...Wind gusts up to 55 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. This storm will remain over mainly rural areas of east central Wallace and western Logan Counties.

* WHAT...Heat index values up to 109. * WHERE...Portions of Central Texas * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to the early morning or evening. Check up on relatives and