Moderate

* WHAT...Sub-freezing temperatures in the mid 20s to around 30. * WHERE...Portions of east central Ohio, western Pennsylvania, and<br /> northern West Virginia. * WHEN...From 11 PM this evening to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops and other<br /> sensitive vegetation.<br /> Take steps now to protect tender plants from the cold.

At 501 PM EDT, National Weather Service meteorologists were tracking<br /> a strong thunderstorm over Intersection Krome And U.S. 27, or near<br /> Miramar, moving east at 10 mph. HAZARD...Wind gusts of 45 to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around<br /> unsecured objects. Minor damage to outdoor objects is<br /> possible. Locations impacted include...<br /> Pembroke Pines, Miramar, Davie, Miami Lakes, Cooper City,<br />

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph<br /> expected. * WHERE...Portions of northwest, southwest, and west central<br /> Colorado and east central, northeast, and southeast Utah. * WHEN...From 9 AM to 9 PM MDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree<br /> limbs could be blown down and a few power outages may result.<br /> Winds this strong can make driving difficult, especially for high<br /> profile vehicles. Use extra caution.

Clear skies and weak northeasterly flow late tonight may cause<br /> isolated frost in our northeastern counties, specifically in<br /> river valleys that may dip into the low to mid 30s before sunrise.<br /> Probabilities are low (

* WHAT...Wet snow expected. Total snow accumulations 5 to 10 inches<br /> above 5000 feet. Winds gusting as high as 45 mph over high and<br /> exposed terrain. * WHERE...The higher terrain of southern Siskiyou County near the<br /> Trinity Alps. This includes Highway 3 south of Callahan. * WHEN...Until 11 AM PDT Tuesday. * IMPACTS...Travel may be very difficult. The hazardous conditions<br /> could impact the Monday evening and Tuesday morning commutes.<br /> Gusty winds could bring down tree branches.

At 407 PM EDT, National Weather Service meteorologists were tracking<br /> a strong thunderstorm capable of producing a funnel cloud over Royal<br /> Palm Hammock, or 10 miles east of Marco Island, moving southeast at<br /> 20 mph. HAZARD...Funnel clouds, wind gusts of 45 to 50 mph, and pea size<br /> hail. SOURCE...Radar indicated. IMPACT...Funnel clouds occasionally touch down and produce tornadoes<br /> or waterspouts. Gusty winds could knock down tree limbs and<br /> blow around unsecured objects. Locations impacted include...<br />

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Western Millard and Juab Counties, Great Salt Lake Desert<br /> and Mountains, Lower Washington County, and Southwest Utah. * WHEN...From noon Tuesday to midnight MDT Tuesday Night. * IMPACTS...Gusty winds will blow around unsecured objects and a few<br /> power outages may result.<br /> Winds this strong can make driving difficult, especially for high<br /> profile vehicles and vehicles with trailers. Use extra caution.

* WHAT...Snow expected. Total snow accumulations between 3 and 5<br /> inches. Winds gusting as high as 50 mph. * WHERE...Northeastern Trinity above 4500 ft. * WHEN...Until 11 AM PDT Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous<br /> conditions will impact the Monday evening and Tuesday morning<br /> commutes. Gusty winds could bring down tree branches.<br /> Slow down and use caution while traveling. The latest road conditions<br /> for the state you are calling from can be obtained by calling 5 1 1.

* WHAT...For the High Rip Current Risk, dangerous rip currents.<br /> For the High Surf Advisory, large breaking waves of 6 to 8<br /> feet expected in the surf zone. * WHERE...Coastal Palm Beach County. * WHEN...For the High Rip Current Risk, through Wednesday<br /> morning. For the High Surf Advisory, from 2 AM to 8 PM EDT<br /> Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and<br /> localized beach erosion. Rip currents can sweep even the best<br /> swimmers away from shore into deeper water.<br />

* WHAT...Dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Wednesday morning. * IMPACTS...Rip currents can sweep even the best swimmers away<br /> from shore into deeper water.<br /> Swim near a lifeguard. If caught in a rip current, relax and<br /> float. Don't swim against the current. If able, swim in a<br /> direction following the shoreline. If unable to escape, face the<br /> shore and call or wave for help.