Expected

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...The I-35 corridor, Coastal Plains, and southern Rio Grande Plains. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Conditions Thursday will be more extreme than the heat so far this summer. The risk of heat related illnesses will be higher with little time to adjust to the extreme heat.

While breezy conditions are ongoing across the area, overall winds have fallen below High Wind criteria and will continue to lessen into the evening. Therefore the High Wind Warning will be allowed to expire.

* WHAT...Surf of 3 to 5 feet with local sets to 7 feet, highest at south-facing beaches in Orange County. High rip current risk and strong longshore currents. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...Through Friday evening. * IMPACTS...Hazardous swimming conditions generated by high rip current risk and strong longshore currents. A beach hazards statement for elevated surf means that waves will be high enough to cause danger to inexperienced swimmers in the

* WHAT...An increased risk of sneaker waves and strong rip currents expected. * WHERE...Pacific Coast Beaches. * WHEN...Through late Friday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf

* WHAT...For the Coastal Flood Advisory, up to 1.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Low-lying coastal and bayshore areas in San Francisco. * WHEN...For the Beach Hazards Statement, through late Friday night. For the Coastal Flood Advisory, until 5 AM PDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only

* WHAT...Up to 1.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Low-lying bayshore regions along the San Francisco and San Pablo Bays. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.2 ft above normal (7.1 ft MLLW) at 1:51 AM on Thursday. High tide varies up to 90 minutes earlier

* WHAT...For the Coastal Flood Advisory, up to 1.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Low-lying coastal and bayshore areas in San Francisco. * WHEN...For the Beach Hazards Statement, through late Friday night. For the Coastal Flood Advisory, until 5 AM PDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only

At 119 PM MST, Doppler radar was tracking a strong thunderstorm. 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 damage to outdoor objects is possible. Locations impacted include... Flower Pot, Cedar Mill and Cedar Bench Wilderness. This includes Interstate 17 between mile markers 271 and 284. Monitor the weather situation closely and be alert for threatening weather conditions.

At 421 PM EDT, Doppler radar was tracking a strong thunderstorm near Ocilla, moving east at 50 mph. HAZARD...Wind gusts around 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Douglas, Broxton, Ambrose, Nicholls, Pridgen, West Green, Snipesville, and Denton. If outdoors, consider seeking shelter inside a building.

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 ft expected. * WHERE...Porter County. * WHEN...From 1 AM CDT Thursday through Thursday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.