Moderate

At 243 AM MDT, Doppler radar was tracking a strong thunderstorm over Porcupine, or 18 miles northeast of Pine Ridge, moving northeast at 30 mph. HAZARD...Wind gusts of 50 to 55 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... Porcupine, Kyle, Manderson, Wounded Knee, Evergreen, Sharps Corner, Thunder Valley, Goose Neck Housing, Porcupine Butte Housing,

* WHAT...Heat index values up to 105. * WHERE...Portions of central, east central, south central, and southeast Kansas. * WHEN...Until 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. To reduce risk during outdoor work, the Occupational Safety and

At 244 AM MDT, Doppler radar was tracking a strong thunderstorm near Worden, or 19 miles northeast of Billings, moving northeast at 25 mph. HAZARD...Wind gusts of 45 to 55 mph, nickel size hail and very heavy rainfall. 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... Worden, Ballantine, Shepherd and Pompeys Pillar.

At 211 AM MDT, Doppler radar was tracking a strong thunderstorm near Billings Heights, or 6 miles northeast of Billings, moving east at 20 mph. HAZARD...Wind gusts of 45 to 55 mph, pea size hail, and heavy rainfall. SOURCE...Radar indicated. Billings airport reported a gust of 53 mph as this storm moved through. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...

* WHAT...Heat index values up to 111 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 11 AM this morning 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...The warm air temperatures in the mid to upper 70s may cause people to underestimate the dangers of the cold water temperatures which are currently in the 50 to 55 degree range. * 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.

At 1252 AM MDT, Doppler radar was tracking a cluster of strong thunderstorms near Veteran, or 9 miles southwest of Torrington, moving northeast at 50 mph. HAZARD...Wind gusts up to 40 mph and penny 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... Torrington, Lingle, Yoder, Southern Hills Estates, Torrington

At 1256 AM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 10 miles north of Agate Fossil Beds National Monument to near Box Butte Campground. Movement was northeast at 35 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 hail damage to vegetation is possible. Locations impacted include...

* WHAT...Dangerous rip currents. * WHERE...Northern Outer Banks beaches. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 10:30 AM today. Life-threatening rip currents. If caught in a rip current, remain calm. Swim in a direction following the shoreline. If tired,

* WHAT...Dangerous rip currents north of Cape Hatteras and strong longshore currents south of Cape Hatteras in the surf zone. * WHERE...Hatteras Island beaches. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Strong longshore currents will create dangerous swimming conditions. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide,