Alert archive / South Carolina / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 13, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Mar 21, 2017, 11:31 PM EDT for Allendale County, Hampton County, South Carolina; Jenkins County, Screven County, Georgia. It was in force for 59 min. 2 reports 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
- Mar 21, 2017, 11:31 PM EDT (03:31 UTC)
- Expired
- Mar 22, 2017, 12:30 AM EDT
- In force
- 59 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Jenkins County, GA, Screven County, GA, Allendale County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 64 km from the middle of the area, began a volume at 03:34 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 |
|---|---|---|---|
| Mar 21, 11:48 PM EDT | TSTM WND GST 55 | Plantation Park, GA | REPORT FROM SYLVANIA /KJYL/. |
| Mar 22, 12:04 AM EDT | TSTM WND DMG | Fairfax, SC | ALLENDALE 911 CENTER REPORTED MULTIPLE TREES DOWN ON POWER LINES ON BAY SHORE DR NEAR FAIRFAX SC. |
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 |
|---|---|---|---|
| Mar 21, 8:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 3.5 hours before the alert went out and 150 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
- 130 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 2122 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
076
WUUS52 KCHS 220331
SVRCHS
GAC165-251-SCC005-049-220430-
/O.NEW.KCHS.SV.W.0013.170322T0331Z-170322T0430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
1131 PM EDT TUE MAR 21 2017
The National Weather Service in Charleston has issued a
* Severe Thunderstorm Warning for portions of...
Screven County in southeastern Georgia...
Jenkins County in southeastern Georgia...
Hampton County in southeastern South Carolina...
Allendale County in southeastern South Carolina...
* Until 1230 AM EDT
* At 1131 PM EDT, severe thunderstorms were located along a line
extending from 7 miles southeast of Savannah River Site to 16 miles
north of Sylvania to 7 miles east of Millen, moving east at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Allendale, Millen, Sylvania, Fairfax, Brunson, Hiltonia, Gifford
and Sycamore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3291 8209 3292 8195 3295 8186 3291 8176
3304 8156 3309 8160 3308 8161 3310 8161
3316 8154 3311 8137 3312 8120 3303 8109
3283 8119 3259 8161
TIME...MOT...LOC 0331Z 290DEG 48KT 3321 8155 3298 8160 3284 8183
HAIL...0.75IN
WIND...60MPH
$$
NED4 follow-up statements
358
WWUS52 KCHS 220351
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1151 PM EDT TUE MAR 21 2017
GAC165-251-SCC005-049-220430-
/O.CON.KCHS.SV.W.0013.000000T0000Z-170322T0430Z/
Screven GA-Jenkins GA-Hampton SC-Allendale SC-
1151 PM EDT TUE MAR 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR SCREVEN...JENKINS...HAMPTON AND ALLENDALE COUNTIES...
At 1151 PM EDT, severe thunderstorms were located along a line
extending from 7 miles south of Barnwell to 8 miles southwest of
Allendale to Sylvania, moving east at 65 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Allendale, Sylvania, Fairfax, Brunson, Hiltonia, Gifford, Sycamore
and Luray.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3279 8192 3291 8176 3304 8156 3309 8160
3308 8161 3310 8161 3316 8154 3311 8137
3312 8120 3303 8109 3283 8119 3259 8161
TIME...MOT...LOC 0351Z 290DEG 59KT 3314 8133 3291 8138 3277 8161
HAIL...0.75IN
WIND...60MPH
$$
NED983
WWUS52 KCHS 220403
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1203 AM EDT WED MAR 22 2017
GAC165-220413-
/O.CAN.KCHS.SV.W.0013.000000T0000Z-170322T0430Z/
Jenkins GA-
1203 AM EDT WED MAR 22 2017
...THE SEVERE THUNDERSTORM WARNING FOR JENKINS 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 200 AM EDT for
southeastern Georgia...and southeastern South Carolina.
LAT...LON 3265 8171 3283 8158 3299 8148 3311 8137
3312 8120 3303 8109 3283 8119 3259 8161
TIME...MOT...LOC 0403Z 289DEG 48KT 3313 8129 3290 8134 3278 8141
$$
GAC251-SCC005-049-220430-
/O.CON.KCHS.SV.W.0013.000000T0000Z-170322T0430Z/
Screven GA-Hampton SC-Allendale SC-
1203 AM EDT WED MAR 22 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR SCREVEN...HAMPTON AND ALLENDALE COUNTIES...
At 1203 AM EDT, severe thunderstorms were located along a line
extending from 9 miles southeast of Barnwell to 7 miles south of
Allendale to 13 miles east of Sylvania, moving east at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Allendale, Sylvania, Fairfax, Brunson, Gifford, Sycamore, Luray and
Ulmer.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3265 8171 3283 8158 3299 8148 3311 8137
3312 8120 3303 8109 3283 8119 3259 8161
TIME...MOT...LOC 0403Z 289DEG 48KT 3313 8129 3290 8134 3278 8141
HAIL...0.75IN
WIND...60MPH
$$
NED404
WWUS52 KCHS 220413
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1213 AM EDT WED MAR 22 2017
GAC251-220423-
/O.CAN.KCHS.SV.W.0013.000000T0000Z-170322T0430Z/
Screven GA-
1213 AM EDT WED MAR 22 2017
...THE SEVERE THUNDERSTORM WARNING FOR SCREVEN 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 200 AM EDT for
southeastern South Carolina.
LAT...LON 3295 8131 3304 8124 3312 8120 3303 8109
3283 8119 3281 8132
TIME...MOT...LOC 0413Z 290DEG 48KT 3309 8117 3286 8122 3274 8129
$$
SCC005-049-220430-
/O.CON.KCHS.SV.W.0013.000000T0000Z-170322T0430Z/
Hampton SC-Allendale SC-
1213 AM EDT WED MAR 22 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR HAMPTON AND ALLENDALE COUNTIES...
At 1213 AM EDT, severe thunderstorms were located along a line
extending from 10 miles northeast of Allendale to near Lake Warren
State Park to 13 miles southwest of Hampton, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Fairfax, Brunson, Gifford, Sycamore, Ulmer and Barton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3295 8131 3304 8124 3312 8120 3303 8109
3283 8119 3281 8132
TIME...MOT...LOC 0413Z 290DEG 48KT 3309 8117 3286 8122 3274 8129
HAIL...<.75IN
WIND...60MPH
$$
NED779
WWUS52 KCHS 220421
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1221 AM EDT WED MAR 22 2017
SCC005-049-220431-
/O.EXP.KCHS.SV.W.0013.000000T0000Z-170322T0430Z/
Hampton SC-Allendale SC-
1221 AM EDT WED MAR 22 2017
...THE SEVERE THUNDERSTORM WARNING FOR HAMPTON AND ALLENDALE COUNTIES
WILL EXPIRE AT 1230 AM EDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire. However gusty winds
are still possible with these thunderstorms.
A severe thunderstorm watch remains in effect until 200 AM EDT for
southeastern South Carolina.
LAT...LON 3295 8131 3304 8124 3312 8120 3303 8109
3283 8119 3281 8132
TIME...MOT...LOC 0421Z 290DEG 48KT 3306 8107 3283 8112 3271 8119
$$
NEDThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 11:35 PM EDT | Special Weather Statement | CHS | Dorchester | 25 min |
| Mar 21, 11:57 PM EDT | Severe Thunderstorm Warning | CHS | Allendale, Colleton, Dorchester, Hampton, Jasper | 33 min |
| Mar 22, 12:12 AM EDT | Special Weather Statement | CHS | Dorchester | 33 min |
| Mar 22, 12:29 AM EDT | Special Weather Statement | CHS | Colleton | 31 min |
| Mar 22, 12:41 AM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Charleston, Colleton, Jasper | 34 min |
| Mar 22, 12:46 AM EDT | Special Marine Warning | CHS | 89 min | |
| Mar 22, 12:50 AM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Berkeley, Charleston, Colleton, Dorchester | 44 min |
| Mar 22, 12:55 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Mar 22, 1:08 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Mar 22, 1:33 AM EDT | Special Marine Warning | CHS | 117 min | |
| Mar 21, 11:07 PM EDT | Special Weather Statement | CHS | Jenkins, Screven | 38 min |
| Mar 21, 11:54 PM EDT | Special Weather Statement | CHS | Bryan, Bulloch, Candler, Effingham, Evans, Liberty and 2 more | 36 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2017Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017
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.