Isolated thunderstorms developed across western North Carolina during the afternoon. One of the storms produced strong wind gusts in the Qualla Boundary.
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The episode as NWS GSP wrote it up.
Isolated thunderstorms developed across western North Carolina during the afternoon. One of the storms produced strong wind gusts in the Qualla Boundary.
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 Greenville-Spartanburg, SC wrote its last area forecast discussion before the first event at Jun 17, 1:28 PM EST, 35 minutes earlier.
Area Forecast Discussion National Weather Service Greenville-Spartanburg SC 228 PM EDT Mon Jun 17 2024 .SYNOPSIS... High pressure atop the region from Tuesday through Thursday will suppress any storms from developing until moisture returns on Friday and into the weekend. Expect the weekend to be quite hot. A cold front approaches from the north early next week. && .NEAR TERM /THROUGH TUESDAY/... Key Messages: 1) Scattered Showers and Thunderstorms Will Continue Across the Mountains through this Evening 2) Mountain Valley Fog May Develop Again Overnight into Daybreak Tuesday 3) Drier and Slightly Less Humid on Tuesday As of 200 PM EDT Monday...A large anticyclone will remain over the Carolinas through the period keeping summer-like conditions around. Scattered showers and thunderstorms have developed across portions of the North Carolina mountains this afternoon, with daytime cumulus (and some upper cirrus) across the entire forecast area. Convection is expected to continue through at least the early evening hours across the mountains, with mostly dry conditions persisting along and east of I-85. Have the highest PoPs (likely, 55%-72%) confined to the NC/TN border through late this afternoon, with chance PoPs (25%-54%) across the rest of the mountain zones and the NC Foothills. Did lower high temps a degree or two area-wide as widespread cumulus have limited daytime heating somewhat. However, highs are still expected to climb into the mid to upper 80s in the mountain valleys and east of the mountains. Cumulus will dissipate around sunset but upper cirrus will increase in coverage this evening into tonight. Upper clouds combined with continued S/SE'ly flow will allow lows to end up around 5-8 degrees above climo. Winds will turn more E'ly on Tuesday leading to drier conditions. Highs will be similar on Tuesday compared to today, remaining around 2-4 degrees above climo. && .SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/... As of 145 PM EDT Monday: Large elongated upper ridge will be in place across the Eastern Seaboard, from the Carolinas to New England, as we start the short term. Surface high in place over the North Atlantic will provide an easterly to northeasterly fetch for the surface flow which will counter the subsidence from the upper ridge, leading to near normal temperatures on Wednesday. The past couple of days guidance has been waffling back and forth with temperatures and am generally inclined to lean warmer than cooler (except for wishful thinking that is) but Wednesday should be the most pleasant day through the end of the period. Gradual warming on Thursday as the surface high begins to slip south and the upper ridge strengthens further. Continued trend of no pops expected through the near term with the subsident flow aloft. && .LONG TERM /THURSDAY NIGHT THROUGH MONDAY/... As of 200 PM EDT Monday: Upper ridge will remain stretched just to our north while an inverted trough pushes across to our south as we move into the extended. Evolution of the tropical wave in the western Atlantic still remains very uncertain but latest guidance seems to agree more on it getting picked up around the western periphery of the Atlantic high and lifted up the East Coast late in the week. Meanwhile the upper ridge breaks down somewhat as a result and splits, but there is very little structure to the overall upper pattern this weekend. Upper subsidence, increasing thicknesses, and weak southerly flow will allow temperatures to climb toward the end of the period, reaching the mid 90s across the Piedmont this weekend. Not enough moisture for excessive heat concerns, just typically miserable. With the new guidance coming in keeping the tropical wave to the east, diurnal convection looks a little more suppressed than previous forecasts due to increased subsidence with the midlevel inversion. Have backed off on previous pops on Saturday, but may see a weak upper trough approach for Sunday so even with the heat could diurnal pops return. && .AVIATION /19Z MONDAY THROUGH SATURDAY/... Key Messages: 1) High-End MVFR to Low-End VFR Cigs through this Evening 2) Mountain Valley Fog May Develop at KAVL Overnight into Daybreak Tuesday 3) Drier and Mostly VFR tonight into Tuesday At KCLT and elsewhere: SCT to BKN MVFR to VFR daytime cumulus are noted across the terminals this afternoon with some upper level cirrus pushing in from the east. Scattered SHRA/TSRA has developed across the western NC mountains, so have VCTS at KAVL through 21Z to account for the afternoon activity. Cumulus should gradually dissipate around sunset with VFR returning for all sites this evening into Tuesday morning. The exception will be the NC mountains as mountain valley fog is expected to develop again overnight into daybreak Tuesday. Thus, have MVFR cigs and vsbys to account for this at KAVL (although IFR cigs may be possible right around daybreak). Maintained dry conditions at the rest of the terminals as convection should be confined to the higher terrain. Winds will generally be S/SE through early Tuesday morning before winds toggle more E late Tuesday morning into early Tuesday afternoon. Winds should generally range from 4-6 kts this afternoon and 5-10 kts Tuesday afternoon. Low-end gusts are possible Tuesday afternoon but confidence was too low to mention at this time. Dry conditions are expected on Tuesday and another round of diurnal cumulus expected. Outlook: An upper ridge will result in mostly dry and VFR conditions through Friday. Mountain valley fog and/or low stratus may develop each morning. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...None. NC...None. SC...None. && SYNOPSIS...DEO NEAR TERM...AR SHORT TERM...TDP LONG TERM...TDP AVIATION...AR
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 744 AM EDT Mon Jun 17 2024 GAZ010-017-018-NCZ033-048>053-058-059-062>065-501>510-SCZ101>106-108- 181145- Rabun-Habersham-Stephens-Avery-Madison-Yancey-Mitchell-Swain-Haywood- Buncombe-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania- Henderson-Caldwell Mountains-Greater Caldwell-Burke Mountains- Greater Burke-McDowell Mountains-Eastern McDowell- Rutherford Mountains-Greater Rutherford-Polk Mountains-Eastern Polk- Oconee Mountains-Pickens Mountains-Greenville Mountains- Greater Oconee-Greater Pickens-Central Greenville- Northern Spartanburg- 744 AM EDT Mon Jun 17 2024 This Hazardous Weather Outlook is for northeast Georgia, the North Carolina Mountains and Foothills, and the Upstate of South Carolina. .DAY ONE...Today and tonight. Scattered thunderstorms are expected this afternoon and evening. The main hazards are locally heavy rainfall and cloud-to-ground lightning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. GAZ026-028-029-NCZ035>037-056-057-068>072-082-SCZ008>014-019-107-109- 181145- Franklin-Hart-Elbert-Alexander-Iredell-Davie-Catawba-Rowan-Cleveland- Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC-Cherokee-York-Anderson- Abbeville-Laurens-Union SC-Chester-Greenwood-Southern Greenville- Southern Spartanburg- 744 AM EDT Mon Jun 17 2024 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina and upstate South Carolina. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. AR
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
201 PM EDT Mon Jun 17 2024
NCZ049-050-171830-
Yancey NC-Mitchell NC-
201 PM EDT Mon Jun 17 2024
...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN MITCHELL AND
NORTHWESTERN YANCEY COUNTIES THROUGH 230 PM EDT...
At 201 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 11 miles east of Erwin to 7
miles northwest of Burnsville. Movement was northwest at 10 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 outdoor objects is
possible.
Locations impacted include...
Poplar, Green Mountain, Buladean, and Ramseytown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.
&&
LAT...LON 3614 8218 3615 8215 3611 8213 3611 8211
3609 8210 3591 8238 3600 8248 3601 8246
3608 8241 3612 8236 3612 8233 3613 8230
3613 8225 3616 8222
TIME...MOT...LOC 1801Z 148DEG 10KT 3610 8221 3601 8236
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
TDPThe Knoxville radar (KMRX), 79 km away, was scanning. The volume nearest the first event began at 19:03 UTC.
1 thunderstorm wind. Local standard time, as filed.
Emergency manager reported a large tree limb fell on a vehicle on Highway 19 in the Qualla Boundary. One occupant received minor injuries.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Carolina in 2024Every state in 2024This day in weather historyWarnings in North Carolina, June 2024
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: 1197556.