Alert archive / North Carolina / Mesoscale Discussions in 2003

Mesoscale Discussion 2542

November 19, 20036 states

The Storm Prediction Center issued this mesoscale discussion at Nov 19, 2003, 11:29 AM EST for 6 states. It was in force for 61 min.

The area

The outline as issued.

The facts

Issued
Nov 19, 2003, 11:29 AM EST (16:29 UTC)
Expired
Nov 19, 2003, 12:30 PM EST
In force
61 min
Issued by
the Storm Prediction Center
All 66 counties

Habersham County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Alexander County, NC, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cherokee County, NC, Clay County, NC, Cleveland County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yancey County, NC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC, Blount County, TN, Carter County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Grayson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, McDowell County, WV, Mercer County, WV, Wyoming County, WV

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 4.5 hours before the alert went out and 228 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 2003-11-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 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 2003-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 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
115 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
397 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

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
Nov 18, 7:45 PM ESTMesoscale DiscussionSPCCalhoun, Chattahoochee, Clay, Early, Harris, Lamar and 17 more60 min
Nov 18, 7:46 PM ESTMesoscale DiscussionSPCCalhoun, Chattahoochee, Clay, Early, Harris, Lamar and 17 more59 min
Nov 18, 9:10 PM ESTMesoscale DiscussionSPCBaker, Calhoun, Chattahoochee, Clay, Colquitt, Crawford and 30 more95 min
Nov 18, 10:45 PM ESTTornado WatchSPCBaker, Ben Hill, Berrien, Bleckley, Brooks, Calhoun and 40 more6 hr
Nov 19, 12:22 AM ESTMesoscale DiscussionSPCBaker, Ben Hill, Berrien, Bleckley, Brooks, Calhoun and 41 more83 min
Nov 19, 1:18 AM ESTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Clarke and 42 more57 min
Nov 19, 2:20 AM ESTTornado WatchSPCBaldwin, Banks, Barrow, Bibb, Burke, Butts and 37 more6 hr
Nov 19, 2:43 AM ESTMesoscale DiscussionSPCBaker, Ben Hill, Berrien, Bleckley, Brooks, Calhoun and 31 more92 min
Nov 19, 4:20 AM ESTTornado WatchSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 41 more6 hr
Nov 19, 5:14 AM ESTMesoscale DiscussionSPCBurke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 3 more61 min
Nov 19, 6:31 AM ESTMesoscale DiscussionSPCAlamance, Alexander, Alleghany, Anson, Bladen, Brunswick and 47 more119 min
Nov 19, 7:25 AM ESTTornado WatchSPCAlamance, Alexander, Alleghany, Anson, Ashe, Bladen and 48 more6 hr
Nov 19, 10:57 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Brunswick, Camden, Carteret, Chowan and 25 more93 min
Nov 19, 11:25 AM ESTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 19 more6 hr
Nov 19, 2:27 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 10 more93 min
Nov 19, 3:59 PM ESTMesoscale DiscussionSPCCamden, Currituck, Dare, Hyde, Tyrrell61 min
Nov 18, 7:36 PM ESTMesoscale DiscussionSPCCarroll, Chester, Crockett, Dyer, Fayette, Gibson and 6 more84 min
Nov 19, 8:10 AM ESTMesoscale DiscussionSPCAlbemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 53 more3 hr
Nov 19, 8:50 AM ESTTornado WatchSPCAlbemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 82 more6 hr
Nov 19, 12:47 PM ESTMesoscale DiscussionSPCAmelia, Arlington, Brunswick, Caroline, Chesterfield, Clarke and 38 more118 min

Nearby

Mesoscale Discussions in North Carolina, 2003Mesoscale Discussions in Tennessee, 2003Mesoscale Discussions in Virginia, 2003Every mesoscale discussion in 2003

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.