Alert archive / North Carolina / Tornado Watches in 2013

Tornado Watch 130

April 19, 201337 counties in North Carolina; 22 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Apr 19, 2013, 2:00 PM EDT for 37 counties in North Carolina; 22 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 19, 2013, 2:00 PM EDT (18:00 UTC)
Expired
Apr 19, 2013, 9:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 59 counties

Alamance County, NC, Alexander County, NC, Anson County, NC, Cabarrus County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Franklin County, NC, Gaston County, NC, Granville County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Fairfield County, SC, Florence County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Newberry County, SC, Spartanburg County, SC, Union County, SC, Williamsburg County, SC, York County, SC

The radar

The Columbia radar (KCAE), 121 km from the middle of the area, began a volume at 18:01 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 19, 2:47 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell, Edgefield, Fairfield, Lexington, McCormick and 2 more43 min
Apr 19, 3:10 PM EDTSevere Thunderstorm WarningGSPCatawba, Davie, Gaston, Iredell, Lincoln, Mecklenburg and 1 more65 min
Apr 19, 3:30 PM EDTTornado WarningRAHAlamance, Orange30 min
Apr 19, 3:39 PM EDTTornado WarningRAHGuilford36 min
Apr 19, 3:53 PM EDTTornado WarningRAHDurham, Orange, Person37 min
Apr 19, 3:55 PM EDTSevere Thunderstorm WarningRAHDavidson, Guilford, Randolph35 min
Apr 19, 3:55 PM EDTSevere Thunderstorm WarningCAEChesterfield, Fairfield, Kershaw, Lancaster, Richland35 min
Apr 19, 4:05 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell, Edgefield, Fairfield, Lexington, McCormick and 3 more40 min
Apr 19, 4:08 PM EDTSevere Thunderstorm WarningGSPCabarrus, Union52 min
Apr 19, 4:21 PM EDTTornado WarningRAHGranville24 min
Apr 19, 4:28 PM EDTSevere Thunderstorm WarningGSPCabarrus, Gaston, Iredell, Lincoln, Mecklenburg, Rowan47 min
Apr 19, 4:30 PM EDTSevere Thunderstorm WarningGSPUnion30 min
Apr 19, 4:31 PM EDTSevere Thunderstorm WarningRAHGuilford, Randolph44 min
Apr 19, 4:31 PM EDTSevere Thunderstorm WarningCAEChesterfield14 min
Apr 19, 4:34 PM EDTSevere Thunderstorm WarningRAHAnson, Stanly56 min
Apr 19, 4:46 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lancaster, Lee, Richland, Sumter44 min
Apr 19, 4:57 PM EDTSevere Thunderstorm WarningRAHChatham, Randolph48 min
Apr 19, 5:06 PM EDTSevere Thunderstorm WarningRAHAlamance, Guilford, Orange39 min
Apr 19, 5:14 PM EDTSevere Thunderstorm WarningRAHMontgomery, Moore, Richmond61 min
Apr 19, 5:28 PM EDTTornado WarningRAHChatham, Moore, Randolph32 min
Apr 19, 5:29 PM EDTSevere Thunderstorm WarningILMDarlington61 min
Apr 19, 5:36 PM EDTSevere Thunderstorm WarningCAECalhoun, Chesterfield, Clarendon, Kershaw, Lee, Orangeburg and 2 more39 min
Apr 19, 5:44 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Durham, Granville, Lee, Moore and 3 more46 min
Apr 19, 5:45 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Scotland60 min
Apr 19, 6:08 PM EDTSevere Thunderstorm WarningILMMarlboro67 min
Apr 19, 6:13 PM EDTSevere Thunderstorm WarningILMFlorence62 min
Apr 19, 6:14 PM EDTSevere Thunderstorm WarningRAHFranklin, Vance, Wake, Warren61 min
Apr 19, 6:28 PM EDTSevere Thunderstorm WarningILMRobeson47 min
Apr 19, 6:30 PM EDTSevere Thunderstorm WarningRAHChatham, Durham, Granville, Lee, Orange, Vance and 1 more15 min
Apr 19, 6:38 PM EDTSevere Thunderstorm WarningILMWilliamsburg67 min
Apr 19, 6:45 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Johnston, Scotland60 min
Apr 19, 6:55 PM EDTSevere Thunderstorm WarningRAHDurham, Granville35 min
Apr 19, 6:58 PM EDTSevere Thunderstorm WarningILMDillon, Marion62 min
Apr 19, 7:07 PM EDTSevere Thunderstorm WarningILMRobeson38 min
Apr 19, 7:12 PM EDTSevere Thunderstorm WarningILMFlorence, Marion63 min
Apr 19, 7:18 PM EDTSevere Thunderstorm WarningRAHFranklin, Vance, Warren57 min
Apr 19, 7:42 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Johnston, Sampson, Wayne63 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.0 hours before the alert went out and 141 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 2013-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 2013-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 square meters per square second.193958Sfc1 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
58 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 12:35 PM EDTMesoscale DiscussionSPCAlamance, Alexander, Anson, Burke, Cabarrus, Caswell and 29 more115 min
Apr 19, 2:31 PM EDTTornado WatchSPCCaswell, Rockingham, Stokes, Surry, Yadkin7 hr
Apr 19, 4:48 PM EDTMesoscale DiscussionSPCAlamance, Anson, Beaufort, Bertie, Bladen, Brunswick and 58 more57 min
Apr 19, 6:27 PM EDTSevere Thunderstorm WatchSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Carteret and 29 more4 hr
Apr 19, 6:54 PM EDTMesoscale DiscussionSPCBladen, Cumberland, Edgecombe, Franklin, Greene, Halifax and 11 more66 min
Apr 19, 12:37 PM EDTSevere Thunderstorm WatchSPCAiken, Bamberg, Barnwell, Calhoun, Clarendon, Edgefield and 6 more6 hr
Apr 19, 1:57 PM EDTMesoscale DiscussionSPCAiken, Allendale, Bamberg, Barnwell, Beaufort, Berkeley and 12 more2 hr
Apr 19, 2:36 PM EDTSevere Thunderstorm WatchSPCAllendale, Beaufort, Berkeley, Charleston, Colleton, Dorchester and 2 more7 hr
Apr 19, 4:29 PM EDTMesoscale DiscussionSPCAiken, Allendale, Bamberg, Barnwell, Beaufort, Berkeley and 9 more2 hr
Apr 19, 6:37 PM EDTMesoscale DiscussionSPCBeaufort, Berkeley, Charleston, Clarendon, Colleton, Dorchester113 min

Nearby

Tornado Watches in North Carolina, 2013Tornado Watches in South Carolina, 2013Every tornado watch in 2013

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.