Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, SC

March 25, 2012Berkeley County, South Carolina

NWS Charleston, SC issued this special weather statement at Mar 25, 2012, 4:08 PM EDT for Berkeley County, South Carolina. It was in force for 22 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: Mar 25, 2012, 4:08 PM EDT (20:08 UTC)
Expired: Mar 25, 2012, 4:30 PM EDT
In force: 22 min
Issued by: NWS Charleston, SC

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 20:11 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, 8.1 hours before the alert went out and 44 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1330 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -40 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 25, 3:58 PM EDT, 10 minutes earlier.

Area forecast discussion, Mar 25, 3:58 PM EDT, 10 minutes before

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Hazardous weather outlook, Mar 25, 4:01 PM EDT, 7 minutes before

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In the hours before

Special weather statement, Mar 25, 1:49 PM EDT, 2 hours 19 minutes before

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Special weather statement, Mar 25, 4:08 PM EDT, 0 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
Mar 24, 8:51 PM EDT	Special Weather Statement	CHS	Candler	24 min
Mar 24, 9:16 PM EDT	Special Weather Statement	CHS	Bulloch, Candler, Screven	29 min
Mar 24, 9:37 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Effingham, Evans, Screven	53 min
Mar 24, 10:03 PM EDT	Severe Thunderstorm Warning	CHS	Effingham, Screven	57 min
Mar 24, 10:11 PM EDT	Special Weather Statement	CHS	Candler	34 min
Mar 25, 12:13 AM EDT	Special Weather Statement	CHS	Bryan	32 min
Mar 25, 1:31 AM EDT	Special Marine Warning	CHS		89 min
Mar 25, 12:39 PM EDT	Small Craft Advisory	CHS		5 hr
Mar 24, 10:30 PM EDT	Special Weather Statement	CHS	Orangeburg	30 min
Mar 24, 10:53 PM EDT	Special Weather Statement	CHS	Dorchester	22 min
Mar 24, 11:19 PM EDT	Special Weather Statement	CHS	Berkeley	26 min
Mar 25, 1:49 PM EDT	Special Weather Statement	CHS	Berkeley	56 min

Nearby

Special Weather Statements in South Carolina, 2012 Every special weather statement in 2012

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.