Alert archive / North Carolina / Tornado Watches in 2017
Tornado Watch 195
The Storm Prediction Center issued this tornado watch at May 5, 2017, 3:09 AM EDT for 43 counties in North Carolina; 8 counties in South Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 5, 2017, 3:09 AM EDT (07:09 UTC)
- Expired
- May 5, 2017, 9:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
All 51 counties
Alamance County, NC, Anson County, NC, Bladen County, NC, Brunswick County, NC, Carteret County, NC, Chatham County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, New Hanover County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pender County, NC, Person County, NC, Pitt County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC
The radar
The Raleigh/Durham radar (KRAX), 60 km from the middle of the area, began a volume at 07:10 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
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 3:32 AM EDT | Severe Thunderstorm Warning | RAH | Alamance | 43 min |
| May 5, 3:45 AM EDT | Severe Thunderstorm Warning | RAH | Chatham, Lee, Moore | 60 min |
| May 5, 3:50 AM EDT | Severe Thunderstorm Warning | RAH | Harnett, Hoke, Lee, Moore | 40 min |
| May 5, 4:04 AM EDT | Severe Thunderstorm Warning | ILM | Dillon, Horry, Marion | 26 min |
| May 5, 4:06 AM EDT | Severe Thunderstorm Warning | RAH | Chatham, Orange | 42 min |
| May 5, 4:11 AM EDT | Severe Thunderstorm Warning | ILM | Bladen, Columbus, Robeson | 64 min |
| May 5, 4:16 AM EDT | Severe Thunderstorm Warning | RAH | Person | 59 min |
| May 5, 4:29 AM EDT | Severe Thunderstorm Warning | RAH | Durham, Person, Wake | 61 min |
| May 5, 4:35 AM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Sampson | 40 min |
| May 5, 4:36 AM EDT | Tornado Warning | ILM | New Hanover, Pender | 24 min |
| May 5, 4:55 AM EDT | Tornado Warning | ILM | Bladen, Columbus | 20 min |
| May 5, 4:56 AM EDT | Severe Thunderstorm Warning | RAH | Granville | 37 min |
| May 5, 5:11 AM EDT | Severe Thunderstorm Warning | RAH | Sampson | 49 min |
| May 5, 5:13 AM EDT | Tornado Warning | ILM | Pender | 32 min |
| May 5, 5:16 AM EDT | Severe Thunderstorm Warning | RAH | Vance | 44 min |
| May 5, 5:18 AM EDT | Tornado Warning | MHX | Onslow | 42 min |
| May 5, 5:19 AM EDT | Severe Thunderstorm Warning | RAH | Johnston | 41 min |
| May 5, 5:29 AM EDT | Tornado Warning | MHX | Craven, Jones, Pitt | 31 min |
| May 5, 5:42 AM EDT | Severe Thunderstorm Warning | RAH | Wayne, Wilson | 63 min |
| May 5, 5:53 AM EDT | Severe Thunderstorm Warning | RAH | Franklin, Nash | 52 min |
| May 5, 5:55 AM EDT | Tornado Warning | MHX | Jones, Onslow | 35 min |
| May 5, 6:17 AM EDT | Tornado Warning | MHX | Beaufort, Martin, Pitt, Washington | 43 min |
| May 5, 6:17 AM EDT | Severe Thunderstorm Warning | RAH | Halifax, Warren | 43 min |
| May 5, 6:21 AM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax | 35 min |
| May 5, 6:28 AM EDT | Tornado Warning | MHX | Beaufort, Craven, Jones, Pitt | 32 min |
| May 5, 7:03 AM EDT | Tornado Warning | MHX | Beaufort, Craven, Pitt | 42 min |
| May 5, 7:19 AM EDT | Severe Thunderstorm Warning | MHX | Carteret, Craven, Jones, Onslow, Pamlico | 41 min |
| May 5, 7:55 AM EDT | Severe Thunderstorm Warning | MHX | Carteret, Craven, Pamlico | 50 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 00:00Z, 7.2 hours before the alert went out and 151 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
- 65 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1319 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 483 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
659 WWUS20 KWNS 050703 SEL5 SPC WW 050703 NCZ000-SCZ000-CWZ000-051300- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 195 NWS Storm Prediction Center Norman OK 305 AM EDT Fri May 5 2017 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Parts of central and eastern North Carolina Northeastern South Carolina Coastal Waters * Effective this Friday morning from 305 AM until 900 AM EDT. * Primary threats include... A couple tornadoes possible Isolated damaging wind gusts to 70 mph possible SUMMARY...Broken bands of storms will spread northeastward into central/eastern North Carolina and northeastern South Carolina through the morning. The storm environment will be favorable for a continued risk for embedded rotating storms and line segments capable of producing a couple of tornadoes and damaging gusts. The tornado watch area is approximately along and 75 statute miles east and west of a line from 35 miles northeast of Raleigh NC to 25 miles east southeast of Myrtle Beach SC. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...This tornado watch replaces tornado watch number 194. Watch number 194 will not be in effect after 305 AM EDT. AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean storm motion vector 21040. ...Thompson
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 8:49 PM EDT | Tornado Watch | SPC | Bladen, Brunswick, Carteret, Columbus, Craven, Cumberland and 13 more | 6 hr |
| May 4, 11:24 PM EDT | Mesoscale Discussion | SPC | Bladen, Brunswick, Columbus, Duplin, Greene, Jones and 7 more | 66 min |
| May 5, 2:28 AM EDT | Mesoscale Discussion | SPC | Alamance, Beaufort, Bertie, Bladen, Camden, Caswell and 43 more | 92 min |
| May 5, 5:56 AM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Chowan, Currituck, Dare and 12 more | 94 min |
| May 5, 6:25 AM EDT | Tornado Watch | SPC | Beaufort, Bertie, Camden, Chowan, Currituck, Dare and 9 more | 5 hr |
| May 5, 8:27 AM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 9 more | 93 min |
| May 5, 6:15 PM EDT | Mesoscale Discussion | SPC | Halifax, Hertford, Northampton | 90 min |
Nearby
Tornado Watches in North Carolina, 2017Tornado Watches in South Carolina, 2017Every tornado watch in 2017
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.