Moderate

At 615 PM PDT, Doppler radar was tracking a strong thunderstorm over Howard Prairie Recreation Area, or 13 miles east of Ashland, moving north at 15 mph. HAZARD...Winds in excess of 30 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Buck Prairie Nordic Trails. If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm.

* WHAT...Visibility less than one half mile in dense fog. * WHERE...Portions of central and southern Iowa. * WHEN...Until 10 AM CDT 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 614 PM PDT, Doppler radar was tracking a strong thunderstorm 13 miles northeast of Leggett, or 16 miles northwest of Covelo, moving southwest at 10 mph. HAZARD...Half inch size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Mainly rural areas of North Central Mendocino and Southwestern Trinity Counties. Monitor the weather situation closely and be alert for threatening weather conditions.

At 649 PM MDT, Doppler radar was tracking a strong thunderstorm over Dove Creek, or 25 miles east of Monticello, moving north at 30 mph. HAZARD...Wind gusts up to 40 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation and outdoor objects is possible. Locations impacted include... Dove Creek and Egnar. This includes the following highways... U.S. Highway 491 in Colorado between mile markers 54 and 67.

At 649 PM MDT, Doppler radar was tracking a strong thunderstorm 17 miles southeast of Higbee, or 32 miles southeast of North La Junta, moving northeast at 20 mph. HAZARD...Heavy rain, wind gusts of 40 to 50 mph and pea 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. This storm will remain over mainly rural areas of northwestern Baca, east central Las Animas and southwestern Bent Counties.

At 656 PM MDT, Doppler radar was tracking a strong thunderstorm 23 miles southwest of Afton, moving north at 30 mph. HAZARD...Wind gusts up to 40 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... Mount Riley, Camel Mountain, and Kilbourne Hole. If outdoors, consider seeking shelter inside a building.

At 532 PM PDT, Doppler radar was tracking strong thunderstorms along a line extending from Howard Prairie Recreation Area to near Pilot Rock. Movement was north at 25 mph. HAZARD...Winds in excess of 40 mph and nickel 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... Emigrant Lake, Hyatt Lake Campground, Howard Prairie Recreation Area, and Buck Prairie Nordic Trails.

At 633 PM MDT, Doppler radar was tracking a strong thunderstorm 15 miles southwest of Kim, or 29 miles northeast of Des Moines, moving northeast at 20 mph. HAZARD...Heavy rain, wind gusts of 40 to 50 mph and pea 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... Kim. If outdoors, consider seeking shelter inside a building.

At 536 PM PDT, Doppler radar was tracking an area of strong thunderstorms extending from 9 miles northwest of Alderpoint to 9 miles north of Dinsmore, or extending from 15 miles northeast of Garberville to 18 miles south of Willow Creek, moving west at 10 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Dinsmore, Bridgeville and Blocksburg. HWY 36 Monitor the weather situation closely and be alert for threatening weather conditions.

The Heat Advisory across portions of North and Central Texas today will be allowed to expire at 8 PM this evening.