Moderate

The National Weather Service in Phoenix has issued a * Dust Advisory for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 1015 PM MST. * At 845 PM MST, a wall of dust was along a line extending from 6 miles southeast of Florence Junction to near Magma to near Olberg, moving northwest at 25 mph. HAZARD...Less than one mile visibility with strong wind in excess of 40 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel. * This includes the following highways...

* WHAT...Temperatures up to 109 expected. * WHERE...The far southeastern Texas Panhandle and the Rolling Plains. * WHEN...From 1 PM to 8 PM CDT Thursday. * IMPACTS...Hot temperatures 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 1130 PM EDT, Doppler radar was tracking a strong thunderstorm 10 miles northwest of Ocala Airport, or 11 miles southeast of Williston, moving southeast at 10 mph. HAZARD...Wind gusts around 40 mph and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor flooding due to heavy rainfall is possible. Locations impacted include... Sparr, Reddick, Flemington, and Lowell.

* WHAT...Visibility of a quarter-mile or less in dense fog. * WHERE...Coastal Hancock and Coastal Washington Counties. * WHEN...Until 7 AM EDT Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

At 1135 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near North Brooksville to Timber Pines to Beacon Square. Movement was south 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... Spring Hill, Clearwater, New Port Richey, Brooksville, Hudson, Holiday, Weeki Wachee, Palm Harbor, New Port Richey East, Hill n

At 1137 PM EDT, Doppler radar was tracking a strong thunderstorm near Unf, moving southeast at 10 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... Ponte Vedra Beach, Jacksonville Beach, Atlantic Beach, Neptune Beach, Palm Valley, Sawgrass, Nocatee, San Pablo, and Guana River State Park. If outdoors, consider seeking shelter inside a building.

* WHAT...Temperatures up to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures 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...Heat index values up to 110 expected. * WHERE...Portions of northwest and west central Arkansas and east central and southeast Oklahoma. * WHEN...From 1 PM to 8 PM CDT Thursday. * 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...Okmulgee and Southern Le Flore Counties. * WHEN...From 1 PM to 8 PM CDT Thursday. * 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 or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

At 1018 PM CDT, Doppler radar was tracking a strong thunderstorm over Ott, or 13 miles northwest of Salem in Fulton County, moving east at 30 mph. HAZARD...Wind gusts up to 50 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... Salem in Fulton County... Viola... Sturkie... Flint Springs...