Moderate

* WHAT...Sub-freezing temperatures as low as 16 degrees. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, Southwest Carbon County, Upper North Platte River Basin, and South Laramie Range. * WHEN...Until 10 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.

At 124 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 6 miles southwest of Karnes City to near Zella to 6 miles northwest of Gilson Groves. Movement was south at 30 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Cotulla, George West, Three Rivers, Encinal, Tilden, Choke Canyon,

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard and away from rocks, jetties, and piers. 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

* WHAT...Numerous dangerous rip currents. * WHERE...The beaches of Volusia, Brevard, Indian River, Saint Lucie, and Martin counties. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and

* WHAT...Southeast winds 10 to 20 mph with gusts up to 50 mph expected. * WHERE...City and Borough of Juneau, City and Borough of Sitka, and Western Kupreanof Island and Kuiu Island. * WHEN...From 1 PM to 7 PM AKDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make traveling difficult, especially for high profile vessels. Use extra caution.

At 1259 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Navasota to 6 miles south of Hockley to near Beasley. Movement was east at 25 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... Northwestern Pearland, Sugar Land, Missouri City, southern Conroe,

At 108 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Beasley to 10 miles south of Pierce to near Inez. Movement was southeast at 30 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. Locations impacted include... Matagorda, western Rosenberg, Bay City, El Campo, Wharton, Edna,

At 108 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles west of San Marcos to 7 miles southeast of Seguin to near Falls City to near Christine. Movement was east at 30 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... New Braunfels, San Marcos, Schertz, Seguin, Cibolo, Lockhart,

At 110 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Leming to near Dilley to near Chula Vista. Movement was south at 35 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... Eagle Pass, Pleasanton, Pearsall, Crystal City, Carrizo Springs,

* WHAT...Heat index values in the middle 90s expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. New York City residents should call 3 1 1 to identify cooling center locations and obtain 'Beat the Heat' safety tips. A Heat Advisory is issued when the combination of heat and humidity