Alert archive / North Carolina / Tornado Watches in 2014
Tornado Watch 114
The Storm Prediction Center issued this tornado watch at Apr 29, 2014, 12:30 AM EDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 29, 2014, 12:30 AM EDT (04:30 UTC)
- Expired
- Apr 29, 2014, 7:00 AM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 49 counties
Banks County, GA, Dawson County, GA, Forsyth County, GA, Franklin County, GA, Habersham County, GA, Hall County, GA, Hart County, GA, Lumpkin County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, White County, GA, Buncombe County, NC, Cherokee County, NC, Clay 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, Yancey County, NC, Anderson County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Blount County, TN, Bradley County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN, Union County, TN
The radar
The Knoxville radar (KMRX), 94 km from the middle of the area, began a volume at 04:32 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
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 1:14 AM EDT | Tornado Warning | GSP | Graham, Swain | 31 min |
| Apr 29, 1:14 AM EDT | Tornado Warning | MRX | Blount, Knox, Loudon | 46 min |
| Apr 29, 1:25 AM EDT | Severe Thunderstorm Warning | MRX | Blount, Loudon, Monroe | 35 min |
| Apr 29, 3:26 AM EDT | Severe Thunderstorm Warning | GSP | Henderson, Transylvania | 64 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.5 hours before the alert went out and 235 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
- 1978 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1007 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 13.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 8:12 PM EDT | Mesoscale Discussion | SPC | Dade | 93 min |
| Apr 28, 8:59 PM EDT | Tornado Watch | SPC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Dade and 11 more | 11 hr |
| Apr 28, 10:34 PM EDT | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Dade, Fannin, Floyd and 8 more | 86 min |
| Apr 28, 11:29 PM EDT | Mesoscale Discussion | SPC | Banks, Habersham, Hall, Rabun, Stephens, Towns and 1 more | 61 min |
| Apr 29, 12:20 AM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 20 more | 85 min |
| Apr 29, 2:38 AM EDT | Mesoscale Discussion | SPC | Barrow, Bibb, Butts, Calhoun, Carroll, Chattahoochee and 49 more | 67 min |
| Apr 29, 2:56 AM EDT | Tornado Watch | SPC | Baker, Banks, Barrow, Bartow, Ben Hill, Bibb and 89 more | 9 hr |
| Apr 29, 5:01 AM EDT | Mesoscale Discussion | SPC | Baker, Barrow, Bartow, Butts, Calhoun, Carroll and 49 more | 89 min |
| Apr 29, 8:13 AM EDT | Mesoscale Discussion | SPC | Ben Hill, Bleckley, Brooks, Colquitt, Cook, Crisp and 13 more | 92 min |
| Apr 29, 11:13 AM EDT | Mesoscale Discussion | SPC | Atkinson, Berrien, Brooks, Clinch, Colquitt, Cook and 5 more | 62 min |
| Apr 29, 4:27 PM EDT | Mesoscale Discussion | SPC | Dade | 33 min |
| Apr 29, 1:26 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Bladen, Cabarrus, Caswell, Catawba and 40 more | 94 min |
| Apr 29, 2:27 PM EDT | Tornado Watch | SPC | Anson, Beaufort, Bertie, Carteret, Chatham, Chowan and 38 more | 8 hr |
| Apr 29, 4:38 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Camden, Carteret, Chowan and 27 more | 97 min |
| Apr 29, 7:22 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Carteret, Chowan, Craven, Cumberland and 26 more | 53 min |
| Apr 28, 10:10 PM EDT | Mesoscale Discussion | SPC | Anderson, Campbell, Claiborne, Grainger, Morgan, Scott and 1 more | 65 min |
| Apr 29, 3:10 PM EDT | Mesoscale Discussion | SPC | Cannon, Cheatham, Clay, Davidson, DeKalb, Jackson and 8 more | 65 min |
| Apr 29, 4:56 PM EDT | Tornado Watch | SPC | Franklin, Lincoln, Moore | 4 hr |
| Apr 29, 7:55 PM EDT | Mesoscale Discussion | SPC | Lincoln, Moore | 95 min |
Nearby
Tornado Watches in North Carolina, 2014Tornado Watches in Tennessee, 2014Tornado Watches in Georgia, 2014Every tornado watch in 2014
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.