Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 151, NWS Charleston, SC

July 27, 2010Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 27, 2010, 3:36 PM EDT for Berkeley County, South Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 27, 2010, 3:36 PM EDT (19:36 UTC)
Expired: Jul 27, 2010, 4:30 PM EDT
In force: 54 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 19:36 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, 7.6 hours before the alert went out and 33 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3070 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 1:31 PM EDT, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 27, 1:31 PM EDT, 2 hours 5 minutes before

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Hazardous weather outlook, Jul 27, 11:44 AM EDT, 3 hours 52 minutes before

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In the hours before

Special weather statement, Jul 27, 1:54 PM EDT, 1 hour 42 minutes before

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Special weather statement, Jul 27, 2:29 PM EDT, 1 hour 7 minutes before

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Local storm report, Jul 27, 3:05 PM EDT, 31 minutes before

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Special weather statement, Jul 27, 3:09 PM EDT, 27 minutes before

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Special weather statement, Jul 27, 3:10 PM EDT, 26 minutes before

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Special weather statement, Jul 27, 3:22 PM EDT, 14 minutes before

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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 3:09 PM EDT	Special Weather Statement	CHS	McIntosh	36 min
Jul 27, 3:22 PM EDT	Special Weather Statement	CHS	McIntosh	23 min
Jul 27, 3:42 PM EDT	Special Weather Statement	CHS	Liberty	33 min
Jul 27, 3:50 PM EDT	Special Weather Statement	CHS	Liberty	25 min
Jul 27, 4:16 PM EDT	Special Weather Statement	CHS	Liberty	29 min
Jul 27, 4:21 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Liberty	54 min
Jul 27, 4:48 PM EDT	Special Weather Statement	CHS	Bryan	27 min
Jul 27, 5:01 PM EDT	Special Weather Statement	CHS	Effingham	29 min
Jul 27, 5:28 PM EDT	Special Weather Statement	CHS	Effingham	32 min
Jul 27, 5:53 PM EDT	Special Weather Statement	CHS	Evans	37 min
Jul 27, 6:12 PM EDT	Special Weather Statement	CHS	Jenkins	48 min
Jul 27, 7:18 PM EDT	Special Weather Statement	CHS	Screven	27 min
Jul 27, 7:27 PM EDT	Special Weather Statement	CHS	Screven	33 min
Jul 27, 7:57 PM EDT	Special Weather Statement	CHS	Screven	48 min
Jul 26, 9:23 PM EDT	Special Weather Statement	CHS	Berkeley	37 min
Jul 27, 1:54 PM EDT	Special Weather Statement	CHS	Charleston	36 min
Jul 27, 3:10 PM EDT	Special Weather Statement	CHS	Berkeley	50 min
Jul 27, 3:38 PM EDT	Special Weather Statement	CHS	Beaufort	52 min
Jul 27, 4:07 PM EDT	Special Weather Statement	CHS	Dorchester	38 min
Jul 27, 4:29 PM EDT	Special Weather Statement	CHS	Dorchester	31 min
Jul 27, 4:57 PM EDT	Special Weather Statement	CHS	Dorchester	33 min
Jul 27, 5:00 PM EDT	Special Weather Statement	CHS	Georgetown	45 min
Jul 27, 5:14 PM EDT	Areal Flood Advisory	CHS	Charleston	50 min
Jul 27, 5:55 PM EDT	Special Weather Statement	CHS	Jasper	35 min
Jul 27, 6:14 PM EDT	Special Weather Statement	CHS	Colleton	31 min
Jul 27, 6:27 PM EDT	Special Weather Statement	CHS	Jasper	48 min
Jul 27, 6:38 PM EDT	Special Weather Statement	CHS	Allendale, Hampton	52 min
Jul 27, 7:10 PM EDT	Special Weather Statement	CHS	Hampton	35 min
Jul 27, 7:19 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Dorchester	56 min
Jul 27, 7:27 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Colleton, Hampton	63 min
Jul 27, 7:37 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Colleton, Dorchester	38 min
Jul 27, 7:40 PM EDT	Special Weather Statement	CHS	Hampton	50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010 Every severe thunderstorm warning in 2010

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.