Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, SC

April 6, 2017McIntosh County, Georgia

NWS Charleston, SC issued this special weather statement at Apr 6, 2017, 2:58 AM EDT for McIntosh County, Georgia. It was in force for 32 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: Apr 6, 2017, 2:58 AM EDT (06:58 UTC)
Expired: Apr 6, 2017, 3:30 AM EDT
In force: 32 min
Issued by: NWS Charleston, SC

County McIntosh County, GA

The radar

The Jacksonville radar (KJAX), 117 km from the middle of the area, began a volume at 06:59 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

Jacksonville, FL (KJAX), launched 00:00Z, 7.0 hours before the alert went out and 115 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: 1177 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1408 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 6, 12:39 AM EDT, 2 hours 19 minutes earlier.

Area forecast discussion, Apr 6, 12:39 AM EDT, 2 hours 19 minutes before

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Hazardous weather outlook, Apr 6, 12:20 AM EDT, 2 hours 38 minutes before

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In the hours before

Local storm report, Apr 6, 12:30 AM EDT, 2 hours 28 minutes before

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Special weather statement, Apr 6, 12:46 AM EDT, 2 hours 12 minutes before

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Special weather statement, Apr 6, 12:54 AM EDT, 2 hours 4 minutes before

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Local storm report, Apr 6, 1:14 AM EDT, 1 hour 44 minutes before

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Special weather statement, Apr 6, 1:36 AM EDT, 1 hour 22 minutes before

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Special weather statement, Apr 6, 2:58 AM 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
Apr 5, 8:42 PM EDT	Special Marine Warning	CHS		2 hr
Apr 5, 9:13 PM EDT	Areal Flood Advisory	CHS	Charleston	2 hr
Apr 5, 9:26 PM EDT	Special Marine Warning	CHS		94 min
Apr 5, 9:40 PM EDT	Special Marine Warning	CHS		2 hr
Apr 5, 11:05 PM EDT	Special Marine Warning	CHS		115 min
Apr 6, 12:46 AM EDT	Special Weather Statement	CHS	Allendale	29 min
Apr 6, 1:00 AM EDT	Special Marine Warning	CHS		2 hr
Apr 6, 1:12 AM EDT	Special Marine Warning	CHS		2 hr
Apr 6, 2:46 AM EDT	Special Marine Warning	CHS		119 min
Apr 6, 3:10 AM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston, Dorchester	2 hr
Apr 6, 3:15 AM EDT	Special Marine Warning	CHS		2 hr
Apr 6, 4:33 AM EDT	Special Weather Statement	CHS	Berkeley	42 min
Apr 6, 7:18 PM EDT	Lake Wind Advisory	CHS	Berkeley	27 hr
Apr 6, 7:20 PM EDT	Small Craft Advisory	CHS		32 hr
Apr 5, 8:12 PM EDT	Special Weather Statement	CHS	Long	33 min
Apr 5, 9:36 PM EDT	Special Weather Statement	CHS	Liberty, Long	39 min
Apr 5, 9:45 PM EDT	Special Weather Statement	CHS	Evans, Tattnall	45 min
Apr 5, 10:12 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	48 min
Apr 5, 10:25 PM EDT	Tornado Warning	CHS	Liberty, Long, McIntosh	50 min
Apr 5, 10:48 PM EDT	Tornado Warning Tornado observed	CHS	Bryan, Chatham, Liberty, McIntosh	42 min
Apr 5, 11:14 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	46 min
Apr 5, 11:27 PM EDT	Tornado Warning	CHS	Bryan, Chatham, Liberty, McIntosh	33 min
Apr 5, 11:33 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Liberty, McIntosh	31 min
Apr 6, 12:16 AM EDT	Special Weather Statement	CHS	McIntosh	44 min
Apr 6, 12:54 AM EDT	Special Weather Statement	CHS	McIntosh	36 min
Apr 6, 1:36 AM EDT	Special Weather Statement	CHS	McIntosh	39 min

Nearby

Special Weather Statements in Georgia, 2017 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.