Moderate

* WHAT...This level of heat affect most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health system and in heat-sensitive industries. * WHERE...Portions of Puerto Rico and Virgin Islands. * WHEN...From 10 AM this morning to 5 PM AST this afternoon. * 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...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Kittitas Valley. * WHEN...From 8 AM to 11 PM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon, Foothills of the Southern Blue Mountains of Oregon, and Simcoe Highlands. * WHEN...From 2 AM to 11 PM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...North Central Oregon. * WHEN...Until 5 PM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 1128 PM CDT, Doppler radar was tracking a strong thunderstorm 16 miles southwest of Medicine Lake, or 32 miles southeast of Gordon, moving northeast at 20 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Indian Hill, Intersection of Highway 61 and Shadbolt Road, and Highway 61 crossing the Snake River. This includes Highway 61 between mile markers 188 and 216.

At 1059 PM CDT, multiple public mesonet stations reported wind gusts of 40-55 mph from Saline and Jefferson through Pawnee counties. HAZARD...40-55 mph wind gusts SOURCE...Public Mesonet IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values around 105 expected. * WHERE...Portions of southwest Arkansas, southeast Oklahoma, and northeast Texas. * WHEN...From 10 AM to 7 PM CDT Tuesday. * 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

At 1115 PM CDT, Doppler radar was tracking a strong thunderstorm near Russellville, moving east 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... Bowling Green, Russellville, Crestmoor, Memphis Junction, Auburn, Woodburn, Hillsdale, Dennis, Rockfield, and Rich Pond. Torrential rainfall is also occurring with this storm and may lead to

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Arkansas and northeast Oklahoma. * WHEN...From 1 PM to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Heat index values up to 107 expected. * WHERE...Portions of East Arkansas, North Mississippi, Southeast Missouri, and West Tennessee. * WHEN...From 11 AM to 8 PM CDT Tuesday. * 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.