Alert archive / South Carolina / Mesoscale Discussions in 2016

Mesoscale Discussion 1859

November 30, 201611 counties in Georgia; 26 counties in North Carolina; 27 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Nov 30, 2016, 5:43 PM EST for 11 counties in Georgia; 26 counties in North Carolina; 27 counties in South Carolina. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Nov 30, 2016, 5:43 PM EST (22:43 UTC)
Expired
Nov 30, 2016, 7:15 PM EST
In force
92 min
Issued by
the Storm Prediction Center
All 64 counties

Columbia County, GA, Elbert County, GA, Glascock County, GA, Hancock County, GA, Lincoln County, GA, McDuffie County, GA, Oglethorpe County, GA, Richmond County, GA, Taliaferro County, GA, Warren County, GA, Wilkes County, GA, Anson County, NC, Cabarrus County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Forsyth County, NC, Gaston County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC

The radar

The Columbia radar (KCAE), 78 km from the middle of the area, began a volume at 22:47 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, 10.7 hours before the alert went out and 194 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2016-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2016-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
57 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 29, 10:28 PM ESTMesoscale DiscussionSPCDade62 min
Nov 29, 11:11 PM ESTTornado WatchSPCCatoosa, Chattooga, Dade, Walker, Whitfield5 hr
Nov 30, 12:17 AM ESTMesoscale DiscussionSPCCatoosa, Dade, Walker, Whitfield118 min
Nov 30, 2:07 AM ESTMesoscale DiscussionSPCCatoosa, Dade, Walker, Whitfield53 min
Nov 30, 3:54 AM ESTTornado WatchSPCBartow, Catoosa, Chattooga, Cherokee, Dade, Fannin and 10 more7 hr
Nov 30, 6:10 AM ESTMesoscale DiscussionSPCBartow, Carroll, Catoosa, Chattooga, Cherokee, Dade and 16 more95 min
Nov 30, 10:00 AM ESTMesoscale DiscussionSPCBartow, Carroll, Chattooga, Cherokee, Clayton, Cobb and 21 more2 hr
Nov 30, 12:06 PM ESTTornado WatchSPCBaker, Banks, Barrow, Bartow, Butts, Calhoun and 53 more6 hr
Nov 30, 1:59 PM ESTMesoscale DiscussionSPCBaker, Barrow, Butts, Calhoun, Chattahoochee, Clay and 41 more2 hr
Nov 30, 2:55 PM ESTMesoscale DiscussionSPCBaker, Baldwin, Banks, Barrow, Bibb, Bleckley and 70 more2 hr
Nov 30, 3:23 PM ESTSevere Thunderstorm WatchSPCBaldwin, Bibb, Bleckley, Columbia, Crisp, Dooly and 22 more3 hr
Nov 30, 5:45 PM ESTMesoscale DiscussionSPCBaker, Calhoun, Decatur, Dougherty, Early, Grady and 7 more30 min

Nearby

Mesoscale Discussions in South Carolina, 2016Mesoscale Discussions in North Carolina, 2016Mesoscale Discussions in Georgia, 2016Every mesoscale discussion in 2016

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.