Expected

* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 101 degrees at Havasupai Gardens, to 110 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...From 10 AM this morning to 8 PM MST Wednesday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. This warning is reserved for only the hottest days of the year and is

At 812 AM CDT, Doppler radar was tracking a strong thunderstorm capable of producing a waterspout 5 miles south of Coden, or 7 miles south of Bayou La Batre, moving north at 10 mph. HAZARD...Waterspouts and wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous waters. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Bayou La Batre, Coden, and Alabama Port.

* WHAT...Visibility of one quarter mile or less in dense fog. * WHERE...A portion of north central Texas. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Comanche, Lampasas, and Mills Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following county, Jackson. * WHEN...Until 900 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 735 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned

At 717 AM CDT, Doppler radar was tracking a strong thunderstorm 8 miles southeast of Richton, moving northeast at 25 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... State Line, Buckatunna, and Fruitdale. If outdoors, consider seeking shelter inside a building.

* WHAT...For the Coastal Flood Advisory, up to 1.7 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 Coastal Flood Advisory, until 5 AM PDT Thursday. For the Beach Hazards Statement, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only

* WHAT...For the Coastal Flood Advisory, up to 1.7 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...Pacific Coast Beaches. * WHEN...For the Coastal Flood Advisory, until 5 AM PDT Wednesday. For the Beach Hazards Statement, through late Wednesday night. * IMPACTS...High tide flooding of lots, parks, and roads with

* WHAT...High temperatures of 99 to 102 for most valleys. Moderate to Major HeatRisk expected. * WHERE...Southern Trinity. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration. 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...High temperatures of 97 to 100 for the warmer interior valleys. Moderate to major HeatRisk expected * WHERE...Interior Del Norte. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration. 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