Expected

* WHAT...Sub-freezing temperatures between 25 and 32 degrees expected. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, Southwest Carbon County, Upper North Platte River Basin, Laramie Valley, and South Laramie Range. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

A tropical disturbance, known as JTWC's Invest 99W, is currently centered near 7N147E west of Weno, Chuuk. This system is starting to develop and is expected to move to the west-northwest as it moves through the outer islands of Yap State. The chance of this system developing into a significant tropical cyclone is rated as sub-low by Joint Typhoon Warning Center (JTWC). Current estimations has the system passing by or over Fais and Ulithi before moving northward

* WHAT...Dangerous rip currents expected. * WHERE...Northeast Florida Beaches. * WHEN...From 11 AM EDT this morning through late Saturday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

* WHAT...Dangerous rip currents expected. * WHERE...Southeast Georgia Beaches. * WHEN...From Saturday morning through late Saturday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

At 108 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles southeast of Bakers to 6 miles northwest of Afton. Movement was north at 35 mph. HAZARD...Wind gusts up to 40 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. Strong thunderstorms will be near... Tallulah and Tendal around 115 AM CDT. Waverly around 120 AM CDT.

At 112 AM CDT, Doppler radar was tracking a strong thunderstorm 9 miles north of Long Point, or 10 miles east of Comstock, moving east at 40 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Del Rio, Comstock, Loma Alta, Lake View, Amistad Acres, Laughlin AFB,

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Northern Meade Co Plains, Southern Meade Co Plains, Custer Co Plains, Northern Oglala Lakota, and Pennington Co Plains. * WHEN...From 7 AM to 3 PM MDT Friday. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris. Winds this strong can make driving difficult, especially for high

* WHAT...Sub-freezing temperatures as low as 25. * WHERE...In Maine, Northern Franklin and Northern Oxford Counties. In New Hampshire, Northern Coos, Northern Grafton, and Southern Coos Counties. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Flooding caused by an ice jam continues. * WHERE...Russian Mission. * WHEN...Until 100 AM AKDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 909 PM AKDT, The ice jam 10 miles downriver from Russian Mission released Wednesday evening, but a secondary ice jam was adjacent to Holy Cross and extended about 6 miles downriver is still in place Thursday evening. The Holy Cross

* WHAT...Flooding caused by an ice jam continues. * WHERE...Holy Cross. * WHEN...Until 100 AM AKDT Saturday. * IMPACTS...Extensive flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 9:46 PM AKDT, The ice jam 10 miles downriver from Russian Mission released Wednesday evening, but a secondary ice jam was adjacent to Holy Cross and extended about 6 miles downriver is still in place Thursday evening. The Holy Cross