Alert archive / Georgia / Mesoscale Discussions in 2005

Mesoscale Discussion 89

January 13, 200549 counties in Georgia; 15 counties in North Carolina; 19 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jan 13, 2005, 7:48 PM EST for 49 counties in Georgia; 15 counties in North Carolina; 19 counties in South Carolina. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Jan 13, 2005, 7:48 PM EST (00:48 UTC)
Expired
Jan 13, 2005, 9:15 PM EST
In force
87 min
Issued by
the Storm Prediction Center
All 83 counties

Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Candler County, GA, Clarke County, GA, Columbia County, GA, Crawford County, GA, Dodge County, GA, Dooly County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Hart County, GA, Houston County, GA, Jasper County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Lincoln County, GA, Macon County, GA, Madison County, GA, McDuffie County, GA, Montgomery County, GA, Morgan County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Screven County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Alexander County, NC, Burke County, NC, Cabarrus County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Henderson County, NC, Iredell County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Barnwell County, SC, Cherokee County, SC, Chester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Pickens County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 83 km from the middle of the area, began a volume at 00:48 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 0.8 hours before the alert went out and 269 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, Charleston AFB, SC at 00:00Z on 2005-01-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 622 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, Charleston AFB, SC at 00:00Z on 2005-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.19395878Sfc1 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
622 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 13, 9:41 PM ESTMesoscale DiscussionSPCBurke, Candler, Columbia, Dodge, Emanuel, Glascock and 16 more94 min
Jan 13, 10:58 PM ESTMesoscale DiscussionSPCAlamance, Alexander, Anson, Cabarrus, Caldwell, Caswell and 27 more62 min
Jan 13, 11:40 PM ESTTornado WatchSPCAlamance, Anson, Cabarrus, Caswell, Chatham, Cumberland and 29 more5 hr
Jan 14, 2:26 AM ESTMesoscale DiscussionSPCAlamance, Anson, Bladen, Caswell, Chatham, Columbus and 34 more94 min
Jan 14, 3:56 AM ESTMesoscale DiscussionSPCBladen, Chatham, Columbus, Cumberland, Duplin, Durham and 24 more64 min
Jan 14, 5:00 AM ESTTornado WatchSPCBertie, Camden, Chowan, Edgecombe, Franklin, Gates and 12 more6 hr
Jan 14, 7:05 AM ESTMesoscale DiscussionSPCBertie, Camden, Chowan, Currituck, Dare, Edgecombe and 11 more85 min
Jan 14, 10:23 AM ESTMesoscale DiscussionSPCCraven67 min

Nearby

Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in South Carolina, 2005Mesoscale Discussions in North Carolina, 2005Every mesoscale discussion in 2005

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.