Immediate

SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Central Lewis and Clark County in west central Montana... West central Cascade County in central Montana... * Until 800 PM MDT. * At 713 PM MDT, a severe thunderstorm was located 16 miles southwest of Wolf Creek, or 21 miles northwest of Helena, moving north at 45 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include...

At 812 PM CDT, severe thunderstorms were located along a line extending from near Pinecreek to near Pencer to near Gates Corner, moving northeast at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Roseau, Warroad, Badger, Springsteel Island, Grygla, Wannaska, and Salol. For your protection move to an interior room on the lowest floor of a building.

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... East Central McKenzie County in northwestern North Dakota... Northwestern Dunn County in southwestern North Dakota... * Until 900 PM CDT /800 PM MDT/. * At 814 PM CDT /714 PM MDT/, a severe thunderstorm was located 12 miles west of Mandaree, or 18 miles southeast of Watford City, moving east at 25 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

At 645 PM MDT, a severe thunderstorm was located 9 miles south of Geraldine, or 22 miles north of Stanford, moving north at 35 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Geraldine and Square Butte. For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading

At 744 PM CDT, severe thunderstorms were located along a line extending from Haug to near Torfin to near Espelie, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Automated weather station at Karlstad reported a wind gust to 60 mph. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Roseau, Warroad, Greenbush, Badger, Springsteel Island, Middle River, and Grygla. For your protection move to an interior room on the lowest floor of a building.

FFWHFO The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Oahu in Honolulu County * Until 530 PM HST. * At 247 PM HST, Doppler radar indicated moderate to locally heavy showers over windward Oahu, with the heaviest rain falling at a rate of 1 to 3 inches per hour over the central Koolau Mountains. Rapid rises in water levels in the Waiahole and Waikane Streams indicate that flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain.

FFWTAE The National Weather Service in Tallahassee has issued a * Flash Flood Warning for... Western Ben Hill County in south central Georgia... Irwin County in south central Georgia... Eastern Turner County in south central Georgia... * Until 1045 PM EDT. * At 850 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

At 752 PM CDT /652 PM MDT/, a severe thunderstorm capable of producing a tornado was located 8 miles northeast of Theodore Roosevelt National Park North Unit, or 13 miles southeast of Watford City, moving east at 25 mph. HAZARD...Tornado and baseball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows and vehicles will occur. Tree damage is likely.

SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northwestern Judith Basin County in central Montana... South central Chouteau County in north central Montana... * Until 745 PM MDT. * At 652 PM MDT, a severe thunderstorm was located 7 miles southwest of Geyser, or 19 miles west of Stanford, moving northeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Geyser.

SVRBOU The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... West Central Weld County in northeastern Colorado... * Until 730 PM MDT. * At 654 PM MDT, a severe thunderstorm was located near LaSalle, or 6 miles southeast of Greeley, moving north at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include...