Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 32, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Jul 9, 2021, 5:56 PM EDT for Florence County, Williamsburg County, South Carolina. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2021, 5:56 PM EDT (21:56 UTC)
- Expired
- Jul 9, 2021, 6:17 PM EDT
- In force
- 21 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Florence County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 104 km from the middle of the area, began a volume at 21:58 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.9 hours before the alert went out and 120 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1551 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
475
WUUS52 KILM 092156
SVRILM
SCC041-089-092230-
/O.NEW.KILM.SV.W.0032.210709T2156Z-210709T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
556 PM EDT Fri Jul 9 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Southeastern Florence County in northeastern South Carolina...
Northeastern Williamsburg County in northeastern South Carolina...
* Until 630 PM EDT.
* At 555 PM EDT, severe thunderstorms were located along a line
extending from near Lake City to 7 miles east of Kingstree, moving
east at 20 mph.
HAZARD...Quarter size hail and deadly cloud to ground lightning.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible.
* Locations impacted include...
Lake City, Johnsonville, Hemingway, Hannah, Indiantown, Kingsburg,
Scranton, Stuckey and Lake City Community Hospital.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 3394 7977 3399 7951 3397 7950 3397 7948
3396 7948 3395 7949 3393 7947 3393 7946
3392 7946 3373 7941 3367 7978
TIME...MOT...LOC 2155Z 259DEG 19KT 3389 7970 3370 7970
HAIL...1.00IN
WIND...<50MPH
$$
Boatman2 follow-up statements
974 WWUS52 KILM 092210 SVSILM Severe Weather Statement National Weather Service Wilmington NC 610 PM EDT Fri Jul 9 2021 SCC041-089-092230- /O.CON.KILM.SV.W.0032.000000T0000Z-210709T2230Z/ Florence SC-Williamsburg SC- 610 PM EDT Fri Jul 9 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR SOUTH CENTRAL FLORENCE AND NORTHEASTERN WILLIAMSBURG COUNTIES... At 610 PM EDT, severe thunderstorms were located along a line extending from near Hannah to near Indiantown, moving east at 20 mph. HAZARD...Quarter size hail and deadly cloud to ground lightning. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Locations impacted include... Lake City, Hemingway, Indiantown and Stuckey. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Prepare immediately for large hail and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. && LAT...LON 3388 7977 3388 7960 3373 7941 3367 7978 TIME...MOT...LOC 2210Z 259DEG 19KT 3390 7961 3371 7961 HAIL...1.00IN WIND...<50MPH $$ Boatman
021
WWUS52 KILM 092217
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
617 PM EDT Fri Jul 9 2021
SCC041-089-092226-
/O.CAN.KILM.SV.W.0032.000000T0000Z-210709T2230Z/
Florence SC-Williamsburg SC-
617 PM EDT Fri Jul 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL FLORENCE AND
NORTHEASTERN WILLIAMSBURG COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds and
cloud to ground lightning are still possible with these
thunderstorms.
LAT...LON 3388 7977 3388 7960 3373 7941 3367 7978
TIME...MOT...LOC 2213Z 259DEG 19KT 3390 7959 3371 7959
$$
BoatmanThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:26 PM EDT | Special Weather Statement | ILM | Williamsburg | 34 min |
| Jul 9, 6:01 PM EDT | Special Weather Statement | ILM | Williamsburg | 29 min |
| Jul 9, 6:15 PM EDT | Special Weather Statement | ILM | Williamsburg | 30 min |
| Jul 9, 6:40 PM EDT | Special Weather Statement | ILM | Marion | 35 min |
| Jul 9, 6:43 PM EDT | Special Weather Statement | ILM | Dillon | 32 min |
| Jul 9, 6:49 PM EDT | Special Weather Statement | ILM | Williamsburg | 26 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.