Severe

* WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Forest, Jefferson PA, Mercer, Venango, Lawrence, Armstrong, Butler, Clarion, Higher Elevations of Indiana, and Indiana Counties. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Watch, from late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other

SVRCRP The National Weather Service in Corpus Christi has issued a * Severe Thunderstorm Warning for... Northeastern Duval County in south central Texas... Northwestern Nueces County in south central Texas... Western San Patricio County in south central Texas... Southeastern McMullen County in south central Texas... Southwestern Goliad County in south central Texas... Northern Jim Wells County in south central Texas... Southwestern Refugio County in south central Texas...

SVRHGX The National Weather Service in League City has issued a * Severe Thunderstorm Warning for... North central Austin County in southeastern Texas... Central Washington County in southeastern Texas... * Until 1245 AM CDT. * At 1215 AM CDT, a severe thunderstorm was located near Brenham, moving southeast at around 25 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...

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...In Maryland, Garrett and Extreme Western Allegany Counties. In Virginia, Highland County. In West Virginia, Pendleton, Western Grant, and Western Mineral Counties. * WHEN...From late tonight through Tuesday 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.

...The Flood Warning continues for the following rivers in Mississippi... Pascagoula At Merrill affecting Jackson, George and Greene Counties. * WHAT...Minor flooding is forecast. * WHERE...Pascagoula at Merrill. * WHEN...From Tuesday afternoon to early Friday afternoon. * IMPACTS...At 22 feet, Flood Stage. Water approaches homes in west Merrill. * ADDITIONAL DETAILS... - At 11:15 PM CDT Sunday the stage was 20.1 feet. - Forecast...The river is expected to rise above flood stage

...The Flood Warning continues for the following rivers in Mississippi... Leaf Near McLain affecting George, Perry and Greene Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Leaf near McLain. * WHEN...Until further notice. * IMPACTS...At 18 feet, considerable flooding of agricultural and lowlands near the river. * ADDITIONAL DETAILS... - At 11:15 PM CDT Sunday the stage was 20 feet. - Forecast...The river is expected to rise to a crest of 21.5 feet early Tuesday afternoon.

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED MONDAY AFTERNOON ACROSS PORTIONS OF SOUTH CENTRAL NEBRASKA... * WINDS...Southwest winds between 15 to 20 mph with gusts up to 30 to 35 mph. * RELATIVE HUMIDITY...As low as 15-20 percent. * IMPACTS...Any fire that develops will spread quickly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...South Central Nebraska and North Central Kansas Locations outside of the warning will still be expected to reach elevated to near-critical fire weather conditions.

...RED FLAG WARNING IN EFFECT MONDAY AFTERNOON THROUGH EARLY EVENING ACROSS THE WESTERN SOUTH DAKOTA PLAINS... .Hot, dry, and windy conditions on Monday will support widespread critical fire weather conditions across the western South Dakota plains. Temperatures tomorrow will be in the upper 80s to mid 90s with humidities dropping to 10-20 percent. Gusts of 25 to 40 mph are also expected. A dry cold front will cross western South Dakota in the afternoon and early evening, bringing quickly-

...RED FLAG WARNING IN EFFECT MONDAY AFTERNOON THROUGH EARLY EVENING ACROSS THE WESTERN SOUTH DAKOTA PLAINS... .Hot, dry, and windy conditions on Monday will support widespread critical fire weather conditions across the western South Dakota plains. Temperatures tomorrow will be in the upper 80s to mid 90s with humidities dropping to 10-20 percent. Gusts of 25 to 40 mph are also expected. A dry cold front will cross western South Dakota in the afternoon and early evening, bringing quickly-

SVREWX The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for... Southeastern Maverick County in south central Texas... Southwestern Dimmit County in south central Texas... * Until 1230 AM CDT. * At 1127 PM CDT, a severe thunderstorm was located 10 miles northwest of Chupadera Ranch Airport, or 15 miles southeast of El Indio, moving south at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage