Alert archive / South Carolina / Special Weather Statements in 2018
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Aug 8, 2018, 8:05 PM EDT for Colleton County, South Carolina. It was in force for 25 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
- Aug 8, 2018, 8:05 PM EDT (00:05 UTC)
- Expired
- Aug 8, 2018, 8:30 PM EDT
- In force
- 25 min
- Issued by
- NWS Charleston, SC
County Colleton County, SC
The radar
The Charleston,SC radar (KCLX), 59 km from the middle of the area, began a volume at 00:06 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 00:00Z, 0.1 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.
- Mixed-layer CAPE
- 2909 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 Aug 8, 7:36 PM EDT, 29 minutes earlier.
Area forecast discussion, Aug 8, 7:36 PM EDT, 29 minutes before
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</html>Hazardous weather outlook, Aug 8, 6:04 PM EDT, 2 hours 1 minute before
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</html>In the hours before
Special weather statement, Aug 8, 8:05 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:44 AM EDT | Special Marine Warning | CHS | 44 min | |
| Aug 9, 6:10 PM EDT | Severe Thunderstorm Warning | CHS | Allendale | 65 min |
| Aug 9, 6:42 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Hampton | 63 min |
| Aug 9, 7:13 PM EDT | Severe Thunderstorm Warning | CHS | Colleton | 62 min |
| Aug 9, 7:50 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston, Dorchester | 55 min |
| Aug 9, 5:15 PM EDT | Severe Thunderstorm Warning | CHS | Jenkins | 49 min |
| Aug 9, 5:43 PM EDT | Severe Thunderstorm Warning | CHS | Screven | 62 min |
Nearby
Special Weather Statements in South Carolina, 2018Every special weather statement in 2018
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.