Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 40, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Aug 1, 2021, 4:29 PM EDT for Dillon County, Florence County, Marion County, South Carolina; Robeson County, North Carolina. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 1, 2021, 4:29 PM EDT (20:29 UTC)
- Expired
- Aug 1, 2021, 5:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Robeson County, NC, Dillon County, SC, Florence County, SC, Marion County, SC
The radar
The Wilmington radar (KLTX), 79 km from the middle of the area, began a volume at 20:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 1, 4:40 PM EDT | TSTM WND DMG | 4 N Floydale, SC | MANY LARGE TREES DOWN ON PEE DEE CHURCH RD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 1, 12:37 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.5 hours before the alert went out and 183 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
- 747 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1039 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
125
WUUS52 KILM 012029
SVRILM
NCC155-SCC033-041-067-012115-
/O.NEW.KILM.SV.W.0040.210801T2029Z-210801T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
429 PM EDT Sun Aug 1 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Southern Robeson County in southeastern North Carolina...
North central Florence County in northeastern South Carolina...
Dillon County in northeastern South Carolina...
Northern Marion County in northeastern South Carolina...
* Until 515 PM EDT.
* At 429 PM EDT, severe thunderstorms were located along a line
extending from near Pembroke to near Blue Brick, moving east at 50
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
* Locations impacted include...
Florence, Lumberton, Marion, Dillon, Mullins, Fairmont, Latta,
Rowland, Fair Bluff, Quinby, Lake View, Sellers, Boardman, Fork,
Blue Brick, Zion, Hamer, Mars Bluff, South Of The Border and
Hestertown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3467 7881 3457 7886 3450 7885 3446 7890
3444 7896 3440 7897 3438 7901 3436 7900
3435 7903 3431 7904 3426 7913 3422 7914
3418 7919 3412 7922 3419 7984 3429 7971
3430 7963 3439 7958 3467 7921
TIME...MOT...LOC 2029Z 259DEG 43KT 3463 7918 3425 7956
HAIL...<.75IN
WIND...60MPH
$$
MBB2 follow-up statements
827
WWUS52 KILM 012053
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
453 PM EDT Sun Aug 1 2021
SCC041-012102-
/O.CAN.KILM.SV.W.0040.000000T0000Z-210801T2115Z/
Florence SC-
453 PM EDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL FLORENCE COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southeastern North Carolina...and northeastern South Carolina.
LAT...LON 3467 7881 3457 7886 3450 7885 3446 7890
3444 7896 3440 7897 3438 7901 3436 7900
3435 7903 3431 7904 3426 7913 3422 7914
3418 7919 3412 7922 3415 7952 3429 7946
3440 7937 3467 7905
TIME...MOT...LOC 2052Z 259DEG 43KT 3468 7885 3430 7923
$$
NCC155-SCC033-067-012115-
/O.CON.KILM.SV.W.0040.000000T0000Z-210801T2115Z/
Robeson NC-Dillon SC-Marion SC-
453 PM EDT Sun Aug 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHEASTERN ROBESON...SOUTHEASTERN DILLON AND NORTHERN MARION
COUNTIES...
At 452 PM EDT, severe thunderstorms were located along a line
extending from near Smiths to near Kemper, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
Locations impacted include...
Lumberton, Marion, Dillon, Mullins, Fairmont, Latta, Fair Bluff, Lake
View, Boardman, Fork, Zion, Hestertown, Gapway, Smiths, Barnesville,
Floydale, Smithboro, Kemper, Nichols and Marietta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3467 7881 3457 7886 3450 7885 3446 7890
3444 7896 3440 7897 3438 7901 3436 7900
3435 7903 3431 7904 3426 7913 3422 7914
3418 7919 3412 7922 3415 7952 3429 7946
3440 7937 3467 7905
TIME...MOT...LOC 2052Z 259DEG 43KT 3468 7885 3430 7923
HAIL...<.75IN
WIND...60MPH
$$
MBB436
WWUS52 KILM 012112
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
512 PM EDT Sun Aug 1 2021
NCC155-SCC033-067-012121-
/O.EXP.KILM.SV.W.0040.000000T0000Z-210801T2115Z/
Robeson NC-Dillon SC-Marion SC-
512 PM EDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ROBESON...
SOUTHEASTERN DILLON AND NORTHERN MARION COUNTIES WILL EXPIRE AT 515
PM EDT...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning will be allowed to expire.
However gusty winds and heavy rain are still possible with these
thunderstorms.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southeastern North Carolina...and northeastern South Carolina.
LAT...LON 3467 7881 3457 7886 3450 7885 3446 7890
3444 7896 3440 7897 3438 7901 3436 7900
3435 7903 3431 7904 3426 7913 3422 7914
3418 7919 3412 7922 3415 7952 3429 7946
3440 7937 3467 7905
TIME...MOT...LOC 2111Z 008DEG 19KT 3455 7892 3417 7930
$$
MBBThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:26 PM EDT | Beach Hazards Statement | ILM | Georgetown, Horry | 24 hr |
| Aug 1, 3:47 AM EDT | Heat Advisory | ILM | Florence, Georgetown, Horry, Marion, Williamsburg | 15 hr |
| Aug 1, 3:33 PM EDT | Special Weather Statement | ILM | Marlboro | 42 min |
| Aug 1, 3:56 PM EDT | Special Weather Statement | ILM | Darlington, Dillon, Marlboro | 64 min |
| Aug 1, 4:05 PM EDT | Severe Thunderstorm Warning | ILM | Dillon | 25 min |
| Aug 1, 4:59 PM EDT | Severe Thunderstorm Warning | ILM | Horry | 46 min |
| Aug 1, 5:50 PM EDT | Special Weather Statement | ILM | Horry | 25 min |
| Aug 1, 7:43 PM EDT | Special Weather Statement | ILM | Florence, Marion | 62 min |
| Jul 31, 10:28 PM EDT | Special Weather Statement | ILM | Brunswick | 62 min |
| Aug 1, 7:27 AM EDT | Special Marine Warning | ILM | 48 min | |
| Aug 1, 3:29 PM EDT | Special Weather Statement | ILM | Robeson | 61 min |
| Aug 1, 3:46 PM EDT | Severe Thunderstorm Warning | ILM | Robeson | 17 min |
| Aug 1, 4:51 PM EDT | Severe Thunderstorm Warning | ILM | Bladen, Columbus, Pender | 30 min |
| Aug 1, 5:23 PM EDT | Special Weather Statement | ILM | Bladen | 52 min |
| Aug 1, 5:44 PM EDT | Special Weather Statement | ILM | Brunswick | 31 min |
| Aug 1, 5:46 PM EDT | Special Marine Warning | ILM | 59 min | |
| Aug 1, 6:00 PM EDT | Special Marine Warning | ILM | 60 min | |
| Aug 1, 6:01 PM EDT | Special Weather Statement | ILM | New Hanover | 44 min |
| Aug 1, 6:54 PM EDT | Special Marine Warning | ILM | 66 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2021Severe Thunderstorm Warnings in North 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.