An isolated severe thunderstorms produced wind damage in Burke Co GA.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS CAE wrote it up.
An isolated severe thunderstorms produced wind damage in Burke Co GA.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Columbia, SC wrote its last area forecast discussion before the first event at Jun 21, 8:57 PM EST, 28 minutes earlier.
Area Forecast Discussion National Weather Service Columbia SC 957 PM EDT Sun Jun 21 2020 .SYNOPSIS... Upper level ridge over the region will move offshore on Monday with isolated convection expected. Increasing chances of convection will return Tuesday onward as moisture and the next frontal boundary move into the region by mid to late week. Temperatures will be near or above normal. && .NEAR TERM /UNTIL 7 AM MONDAY MORNING/... Upper ridge axis has shifted east towards our eastern forecast area (FA) as an upper short wave moves east into W GA. Just back to our west, where better moisture exists, and with the upper short wave, shower and thunderstorm activity moving east into portions of the CSRA. With track of shortwave overnight, some convective activity could linger into late tonight, but will generally expect with loss of heating, areal coverage of convection should gradually diminish. With high DCAPE values in place, an isolated stronger cell could be capable of reaching severe limits, producing strong wind gusts. && .SHORT TERM /7 AM MONDAY MORNING THROUGH TUESDAY NIGHT/... Monday and Monday night...Upper ridge moving offshore early in the day. Upper trough from the northern Plains to the Midwest amplifying a bit and moving into the Mississippi Valley. Upper level flow becoming southwest across the area and moisture will be increasing. Weak surface trough across the area and air mass moderately unstable by afternoon with strong heating. Temps into the low to mid 90s. There may be a weak short wave late in the day or evening. Convection expected to be scattered with a few storms approaching from Georgia and a few along the sea breeze. Showers and thunderstorms expected to be diurnally driven but a few may linger into the evening. Overnight lows into the low 70s. Tuesday and Tuesday night...Moisture increasing across the region as upper trough moves into the Mississippi Valley. Weak cold front moves into Tennessee Valley. Piedmont trough in place across the region and moderate instability expected. A few short wave triggers in southwest flow aloft and timing somewhat uncertain but expect mainly diurnally driven convection with temps in the low to mid 90s and lows in the low 70s. && .LONG TERM /WEDNESDAY THROUGH SUNDAY/... Upper trough near the Great Lakes will continue to push eastward through the end of the week. The main trough axis will be east of the area by Friday with drier air expected over the weekend. Ahead of this trough, a weak surface front will be northwest of the area on Wednesday, with this front slowly moving towards the forecast area Wednesday evening or early Thursday. Ahead of this boundary, expecting increase in coverage of showers and thunderstorms, especially Wednesday afternoon and evening. Although the front may stall out across the cwa on Thursday, there remains a chance that the front does not make it into SC, and remains further north. With either scenario, the front will still be somewhere near the region through Thursday night to provide a focus for scattered thunderstorms mainly in the afternoon and evening. Appears drier air will move into the region behind the front over the weekend and with upper ridge building over the area expect above normal temperatures and afternoon thunderstorms isolated at best. && .AVIATION /02Z MONDAY THROUGH FRIDAY/... VFR conditions expected through the 24hr TAF forecast period. Upper ridge axis is shifting east of the forecast area this evening with shortwave energy moving through the TN Valley which is supporting convection to our west. Expect the convection to diminish before reaching the terminals this evening but cannot rule out a few showers around AGS/DNL so have included VCSH through 03z. Otherwise, mainly clear skies with some higher clouds moving in overnight as the shortwave crosses the region. A low level jet and a larger dewpoint depression after the warm day should limit fog potential overnight. Winds will pick up from the southwest around 8 to 10 knots after 15z Monday. Isolated convection expected Monday afternoon but coverage to low to include in the forecast. EXTENDED AVIATION OUTLOOK...Restrictions in early morning fog/stratus possible each day. The chance for diurnal convection will increase Tuesday through Thursday. && .CAE WATCHES/WARNINGS/ADVISORIES... GA...None. SC...None. && SYNOPSIS...99 NEAR TERM...99 SHORT TERM...99 LONG TERM...99 AVIATION...99
Hazardous Weather Outlook National Weather Service Columbia SC 343 AM EDT Sun Jun 21 2020 GAZ040-063>065-077-SCZ016-018-020>022-025>031-035>038-041-115-116- 220745- Lincoln-McDuffie-Columbia-Richmond-Burke-Chesterfield-McCormick- Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington-Richland-Lee- Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-Bamberg- Northern Lancaster-Southern Lancaster- 343 AM EDT Sun Jun 21 2020 This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...Today and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
Special Weather Statement
National Weather Service Columbia SC
909 PM EDT Sun Jun 21 2020
GAZ077-220145-
Burke GA-
909 PM EDT Sun Jun 21 2020
...Strong Thunderstorms Will Impact Portions of southwestern Burke
County Until 945 PM EDT....
At 908 PM EDT...National Weather Service doppler radar indicated a
strong thunderstorm over Summertown, or 12 miles north of Swainsboro,
moving northeast at 15 mph.
HAZARD...gusty winds 40 to 50 mph, pea sized hail and excessive
cloud to ground lightning.
IMPACT...expect minor damage to tree limbs and blowing around of
light, unsecured objects. Minor hail damage to plants,
trees and crops is possible. Damage to windshields is
unlikely. All outdoor activities should cease. Move
indoors immediately.
Some locations in the path of this storm include...
Midville and Magruder.
Move indoors immediately. Excessive cloud to ground lightning is
occurring with this storm. If you can hear thunder, you are close
enough to be struck by lightning.
LAT...LON 3282 8226 3283 8231 3284 8231 3289 8229
3301 8212 3292 8203 3292 8208 3288 8213
3281 8215 3282 8216 3280 8221
TIME...MOT...LOC 0108Z 239DEG 14KT 3277 8228
HCSpecial Weather Statement
National Weather Service Columbia SC
940 PM EDT Sun Jun 21 2020
GAZ077-220230-
Burke GA-
940 PM EDT Sun Jun 21 2020
...Strong Thunderstorms Will Impact Portions of central Burke County
Until 1030 PM EDT....
At 940 PM EDT...National Weather Service doppler radar indicated a
strong thunderstorm near Waynesboro, moving east at 15 mph.
HAZARD...gusty winds 40 to 50 mph.
IMPACT...expect minor damage to tree limbs and blowing around of
light, unsecured objects.
Some locations in the path of this storm include...
Waynesboro, Alexander, Burke County Airport and Shell Bluff.
LAT...LON 3301 8215 3318 8215 3322 8181 3321 8178
3322 8178 3322 8177 3321 8177 3294 8179
TIME...MOT...LOC 0140Z 271DEG 12KT 3310 8207
HCThe Charleston,SC radar (KCLX), 91 km away, was scanning. The volume nearest the first event began at 02:25 UTC.
1 thunderstorm wind. Local standard time, as filed.
Burke Co dispatch reported trees down near Botsford Church Rd and Hwy 23. Time estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Georgia in 2020Every state in 2020This day in weather historyWarnings in Georgia, June 2020
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 889616.