Alert archive / South Carolina / Mesoscale Discussions in 2017
Mesoscale Discussion 165
The Storm Prediction Center issued this mesoscale discussion at Feb 9, 2017, 3:12 AM EST for 10 counties in Georgia; 7 counties in North Carolina; 17 counties in South Carolina. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 9, 2017, 3:12 AM EST (08:12 UTC)
- Expired
- Feb 9, 2017, 5:15 AM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 34 counties
Bryan County, GA, Bulloch County, GA, Candler County, GA, Chatham County, GA, Effingham County, GA, Evans County, GA, Liberty County, GA, Screven County, GA, Tattnall County, GA, Toombs County, GA, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Duplin County, NC, New Hanover County, NC, Onslow County, NC, Pender County, NC, Allendale County, SC, Bamberg County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Marion County, SC, Orangeburg County, SC, Williamsburg County, SC
The radar
The Charleston,SC radar (KCLX), 128 km from the middle of the area, began a volume at 08:15 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, 8.2 hours before the alert went out and 47 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1057 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 8, 8:04 PM EST | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Cherokee, Dade, Fannin and 8 more | 86 min |
| Feb 8, 9:55 PM EST | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Cherokee, Dade, Fannin and 8 more | 65 min |
Nearby
Mesoscale Discussions in South Carolina, 2017Mesoscale Discussions in Georgia, 2017Mesoscale Discussions in North Carolina, 2017Every mesoscale discussion 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.