Alert archive / South Carolina / Lake Wind Advisories in 2017
Lake Wind Advisory 9, NWS Charleston, SC
NWS Charleston, SC issued this lake wind advisory at Apr 6, 2017, 7:18 PM EDT for Berkeley County, South Carolina. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2017, 7:18 PM EDT (23:18 UTC)
- Expired
- Apr 7, 2017, 10:00 PM EDT
- In force
- 27 hr
- 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 23:20 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.3 hours before the alert went out and 320 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
- 134 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 746 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
What forecasters said that day
The local office's own words before this lake wind advisory 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 lake wind advisory went out at Apr 6, 3:41 PM EDT, 3 hours 37 minutes earlier.
Area forecast discussion, Apr 6, 3:41 PM EDT, 3 hours 37 minutes before
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</html>Hazardous weather outlook, Apr 6, 3:23 PM EDT, 3 hours 55 minutes before
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Local storm report, Apr 6, 3:02 PM EDT, 4 hours 16 minutes before
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</html>Local storm report, Apr 6, 5:28 PM EDT, 1 hour 50 minutes before
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</html>Local storm report, Apr 6, 5:32 PM EDT, 1 hour 46 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 |
|---|---|---|---|---|
| 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, 7:20 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 | 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 |
| Apr 6, 2:58 AM EDT | Special Weather Statement | CHS | McIntosh | 32 min |
Nearby
Lake Wind Advisories in South Carolina, 2017Every lake wind advisory 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.