Ray Hawthorne

Tropical Storm Bertha Forms, Heading for Landfall in South Carolina

By Ray Hawthorne

4268d276-f75f-4338-868b-67b65c0fc446Tuesday 2pm EDT Update: Bertha has weakened to a Tropical Depression with maximum sustained wind speeds of 35 mph. As of 2PM EDT Wednesday afternoon Bertha was located about 70 miles north-northwest of Charleston and continues to move inland at about 15 mph, delivering heavy showers to the Midlands, Pee Dee and Lowcountry regions. This depression still has the potential to produce life-threatening flash flooding across portions of eastern and central South Carolina through Thursday morning. Rain estimated between 2 to 4 inches of rain will be possible in some areas with isolated areas...

Severe Thunderstorm Watch Issued for Upstate, Midlands

By Ray Hawthorne

Severe Thunderstorm Watch until 8 PMAreas of strong, damaging winds and large hail are possible as a cluster of thunderstorms moves across portions of the Palmetto state Friday afternoon and early evening. For this reason, the Storm Prediction Center has issued a Severe Thunderstorm Watch until 8 PM for the Upstate and Midlands, including Columbia, Greenville, Spartanburg, and Rock Hill. Thunderstorms are most likely along and northwest of Interstate 20. They are likely to be in the Greenville/Spartanburg area around 3 PM, and the Rock Hill and Columbia areas between 4 and 6 PM, before moving eastward toward Interstate 95...

River Flooding Likely to Follow This Week's Heavy Rains

By Ray Hawthorne

Severe Storm Risk over South CarolinaPersistent heavy rainfall this week, which has led to 3 to 7 inches of rain as of Wednesday morning based on radar data and cooperative observers over the Upstate and Midlands, is likely to lead to river flooding in the coming days statewide. The prevailing wind flow around a nearly stationary upper-level low over eastern Tennessee is transporting rich moisture from the Gulf of Mexico and Atlantic Oceans and depositing it over the state. The upper low is forecast to move slowly northward away from the state on Friday. Before it does, another 2 to 5 inches of rain is likely to fall over the...

Unusual Late Season Frost Possible This Weekend

By Ray Hawthorne

19ad064c-ec1c-40d9-a80f-b5735dd70ef6Patches of frost are becoming increasingly likely over northern South Carolina this weekend. A strong cold front that is expected to bring showers to much of the state Friday into Friday evening will have chilly air behind it. The air temperature on Saturday is forecast to barely push past 60 degrees in parts of the state — about 15 degrees below early May averages. As high pressure builds close to the state Saturday night into Sunday morning, winds should slacken and become nearly calm. Under mostly clear skies and light winds, temperatures are likely to fall to the mid and upper 30s within...

Squall Line Likely to Move through South Carolina Wednesday Night

By Ray Hawthorne

Severe Storm Risk Wednesday NightUpdate as of Noon Wednesday: Mostly sunny skies over the Palmetto State early Wednesday afternoon are not expected to last much longer. Showers and a few thunderstorms could develop over the Upstate as soon as the late afternoon hours. Nearly all high-resolution model simulations continue to forecast a squall line marching across the state tonight into early Thursday morning. The line may not produce a lot of lightning, but heavy rain and strong, gusty winds are likely to accompany this line. Widespread gusts of 35 to 55 mph are possible, with even a few stronger gusts with persistent...

Turbulent Weather Possible Again Thursday

By Ray Hawthorne

Another Storm Risk on ThursdayStrong, damaging winds, tornadoes, and hail are possible for the third time in as many weeks on Thursday in the Palmetto State. NOAA's Storm Prediction Center issued an "enhanced risk" (a level 3 out of 5) for the Lowcountry and Central Savannah River areas of the state, including Aiken, Charleston, Hilton Head, and Walterboro. The remainder of the state is in an "slight risk" (level 2 out of 5). In their early morning discussion, the center said significant severe storms are expected, including the potential for strong tornadoes. The latest in a series of strong disturbances starting in...

Tornado Watches for much of South Carolina

By Ray Hawthorne

Tornado Watches This MorningA Tornado Watch is in effect for much of the Upstate region until 8 AM, while the Midlands and Lowcountry is under a Tornado Watch until 11 AM. Additional watches are likely to be issued for the Pee Dee and Grand Strand areas later this morning. Thunderstorms have produced several damaging wind reports over some Upstate communities between 1 and 4:30 AM, along with an apparent tornado touch down based on an analysis of radar data near Clemson around 1:30 AM. Storms will be in the Rock Hill, Columbia, and North Augusta areas between 5 and 8 AM. They are expected to reach Florence, Sumter, and...

Strong Tornadoes and Widespread Strong Winds Likely Overnight into Monday morning

By Ray Hawthorne

Severe Storm Risk and TimingA line of intense thunderstorms is expected to bring the potential for widespread damaging winds and a few strong tornadoes to the Palmetto State late Sunday night into Monday morning. Tornadoes have been observed in northern Louisiana late Sunday morning. These storms are moving into Mississippi, where Tornado Watches are in effect as of early Sunday afternoon. Reliable forecast models show these storms spreading into Alabama early this evening and into Georgia around midnight before spreading into the Upstate of South Carolina between 3 and 6 AM. Damaging winds and embedded tornadoes are...

Risk of Damaging Storms Sunday Night into Monday

By Ray Hawthorne

Severe Risk Sunday Night into MondayThunderstorms capable of producing destructive wind gusts up to 70 mph are possible across a large area of the Palmetto State late Sunday night or Monday morning. A few tornadoes are also possible, along with heavy rainfall, ahead of a powerful cold front that is expected to move through Monday. The storm system likely to affect the state is part of a larger weather system that is favored to produce long-track tornadoes, straight-line winds, and large hail from as far west as Texas through Deep South into Alabama, Georgia, and the Florida Panhandle Sunday afternoon and evening. Reliable model...

Strong, Gusty Storms Possible Later Wednesday into Thursday Morning

By Ray Hawthorne

Weather WarningA complex of strong thunderstorms, a few of which will be capable of producing wind damage, is forecast to move across the Palmetto State early Thursday morning. A stray thunderstorm or two is also possible Wednesday afternoon across the northern tier of the state, capable of producing gusty winds and small hail. Several disturbances are skirting a large ridge of high pressure centered over the Gulf of Mexico, similar to spokes around a wheel. One "spoke" is expected to ignite thunderstorms over Alabama and Georgia Wednesday afternoon, but most of these storms are favored to stay south of the...

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