Severe

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 7 to 10 feet. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet. * WHERE...Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

* WHAT...Northwest winds 30 to 40 kt with gusts up to 50 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

* WHAT...Northwest winds 25 to 35 kt with gusts up to 50 kt and seas 4 to 6 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Elk, Robertson Draw, and East Side burn areas. * WHERE...Portions of south central Montana, including the following areas, Absaroka/Beartooth Mountains and Red Lodge Foothills, and north central Wyoming, including the following areas, Northeast Bighorn Mountains and Sheridan Foothills. * WHEN...From 6 AM MDT this morning through this evening. * IMPACTS...Periods of heavy rainfall with embedded thunderstorms are

* WHAT...North winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...Barnstable MA and Nantucket MA Counties. * WHEN...From 8 AM this morning to 8 PM EDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 7 to 10 ft. * WHERE...Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM, Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM and Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the

At 1156 PM CDT, severe thunderstorms were located along a line extending from 4 miles northwest of Gotebo to near Altus Air Force Base to near Eldorado, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Altus, Hobart, Blair, Olustee, Eldorado, Roosevelt, Gotebo, Rocky, Martha, Headrick, Friendship, Altus Air Force Base, Tom Steed Reservoir, and Warren.

SVRTSA The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Northern Washington County in northeastern Oklahoma... Northwestern Nowata County in northeastern Oklahoma... * Until midnight CDT. * At 1123 PM CDT, a severe thunderstorm was located 4 miles north of Bartlesville Municipal Airport, moving east at 35 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.