Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 185, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 13, 2019, 4:04 PM EDT for Anson County, Montgomery County, Richmond County, North Carolina. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2019, 4:04 PM EDT (20:04 UTC)
- Expired
- Aug 13, 2019, 5:00 PM EDT
- In force
- 56 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Anson County, NC, Montgomery County, NC, Richmond County, NC
The radar
The Raleigh/Durham radar (KRAX), 144 km from the middle of the area, began a volume at 20:06 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 13, 2:58 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.1 hours before the alert went out and 109 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
- 560 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 941 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.8
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 13, 4:00 PM EDT, 4 minutes earlier.
Area forecast discussion, Aug 13, 4:00 PM EDT, 4 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Aug 13, 3:56 PM EDT, 8 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>In the hours before
Special weather statement, Aug 13, 2:57 PM EDT, 1 hour 7 minutes before
Special Weather Statement National Weather Service Raleigh NC 257 PM EDT Tue Aug 13 2019 NCZ008>010-132000- Vance NC-Warren NC-Granville NC- 257 PM EDT Tue Aug 13 2019 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN WARREN...NORTHERN VANCE AND NORTHERN GRANVILLE COUNTIES UNTIL 400 PM EDT... At 257 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms near the Virginia-North Carolina border, near Clarksville, or 15 miles north of Henderson, moving east at 30 mph. Wind gusts up to 50 mph will be possible with this storm. Deadly cloud to ground lightning will also be possible with this storm. Locations impacted include... Warrenton, Norlina, Littleton, Stovall, Middleburg, Macon, Steele Creek Marina & Campground, Kerr Lake, Lake Gaston and Wise. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter in a nearby building or vehicle. Wind gusts as high as 50 mph are capable of knocking down small or weakened trees and blowing around trash cans, potted plants, lawn furniture and other light outdoor objects. Boaters on the open water and those camping outdoors are especially vulnerable to the dangers of lightning. Seek harbor immediately and find safe shelter in a nearby building or vehicle. && A severe thunderstorm watch remains in effect until 700 PM EDT for central North Carolina. A severe thunderstorm watch also remains in effect until 900 PM EDT for central North Carolina. LAT...LON 3636 7792 3643 7876 3654 7874 3654 7790 TIME...MOT...LOC 1857Z 276DEG 25KT 3655 7848 BLAES
Special weather statement, Aug 13, 3:06 PM EDT, 58 minutes before
Special Weather Statement National Weather Service Raleigh NC 306 PM EDT Tue Aug 13 2019 NCZ023>025-040-132000- Chatham NC-Durham NC-Alamance NC-Orange NC- 306 PM EDT Tue Aug 13 2019 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ALAMANCE...SOUTHERN ORANGE...NORTHEASTERN CHATHAM AND SOUTHWESTERN DURHAM COUNTIES UNTIL 400 PM EDT... At 306 PM EDT, Doppler radar was tracking a strong thunderstorm 9 miles south of Graham, moving east at 20 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Durham, Chapel Hill, Hillsborough, Carrboro, Swepsonville, Snow Camp, Parkwood, Sutphin, Jordan Lake and Fearrington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter in a nearby building or vehicle. Wind gusts as high as 50 mph are capable of knocking down small or weakened trees and blowing around trash cans, potted plants, lawn furniture and other light outdoor objects. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && A severe thunderstorm watch remains in effect until 700 PM EDT for central North Carolina. A severe thunderstorm watch also remains in effect until 900 PM EDT for central North Carolina. LAT...LON 3609 7883 3578 7894 3584 7943 3603 7943 TIME...MOT...LOC 1906Z 269DEG 16KT 3593 7936 BLAES
Special weather statement, Aug 13, 3:12 PM EDT, 52 minutes before
Special Weather Statement
National Weather Service Raleigh NC
312 PM EDT Tue Aug 13 2019
NCZ073>075-132000-
Stanly NC-Moore NC-Montgomery NC-
312 PM EDT Tue Aug 13 2019
...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN
MOORE...MONTGOMERY AND NORTHEASTERN STANLY COUNTIES UNTIL 400 PM
EDT...
At 310 PM EDT, Doppler radar was tracking a strong thunderstorm near
Troy, moving east at 20 mph. Another strong thunderstorm was located
north of Albemarle, approaching Badin Lake.
Dime size hail and wind gusts up to 50 mph will be possible with
these storms.
Locations impacted include...
Albemarle, Troy, Badin Lake, Biscoe, Badin, Robbins, Star, Candor,
Richfield and New London.
LAT...LON 3551 8006 3551 7955 3516 7960 3527 8007
3537 8027 3541 8026 3547 8029
TIME...MOT...LOC 1910Z 287DEG 19KT 3544 7998
WSSSpecial weather statement, Aug 13, 3:22 PM EDT, 42 minutes before
Special Weather Statement
National Weather Service Raleigh NC
322 PM EDT Tue Aug 13 2019
NCZ021-132015-
Forsyth NC-
322 PM EDT Tue Aug 13 2019
...A LINE OF STRONG OR SEVERE THUNDERSTORMS APPROACHING THE TRIAD
REGION...
At 320 PM EDT, Doppler radar was tracking a line of strong
thunderstorms along a line extending from near Sandy Ridge to near
Mountain Park to near North Wilkesboro. Movement was east at 35 to
40 mph.
Wind gusts of 50 to 55 mph will be possible with these storms. If
the storms maintain their current intensity, a severe thunderstorm
warning may be needed for sections of the Triad.
Locations impacted include...
Winston-Salem, Clemmons, Bermuda Run, Huntsville, Lewisville,
Walkertown, Rural Hall, Pfafftown, Stanleyville and Belews Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter in a nearby building or vehicle. Wind gusts as high as
50 mph are capable of knocking down small or weakened trees and
blowing around trash cans, potted plants, lawn furniture and other
light outdoor objects.
&&
LAT...LON 3611 8051 3612 8046 3614 8044 3621 8045
3622 8043 3624 8045 3626 8045 3626 8004
3620 8004 3599 8028 3600 8032 3597 8040
3599 8042 3601 8042 3606 8046 3604 8049
3605 8051 3609 8052
TIME...MOT...LOC 1920Z 277DEG 34KT 3651 8018 3636 8086 3616 8108
WSSLocal storm report, Aug 13, 3:27 PM EDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
327 PM EDT TUE AUG 13 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0320 PM HAIL 1 N SAXAPAHAW 35.96N 79.32W
08/13/2019 M0.25 INCH ALAMANCE NC TRAINED SPOTTER
INTERMITTENT PEA-SIZED HAIL AT SWEPSONVILLE
SAXAPHAW RD AND ANDOVER DR.
&&
JFDSpecial weather statement, Aug 13, 3:39 PM EDT, 25 minutes before
Special Weather Statement National Weather Service Raleigh NC 339 PM EDT Tue Aug 13 2019 NCZ007-008-132045- Person NC-Granville NC- 339 PM EDT Tue Aug 13 2019 ...A STRONG THUNDERSTORM WILL AFFECT PERSON AND NORTHWESTERN GRANVILLE COUNTIES UNTIL 445 PM EDT... At 338 PM EDT, Doppler radar was tracking a strong thunderstorm over Hamer, or near Providence, moving east at 30 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Deadly cloud to ground lightning will also be possible with this storm. Locations impacted include... Roxboro, Concord, Bethel Hill, Hyco Lake, Mayo Reservoir, Hyco Marina, Berea and Surl. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter in a nearby building or vehicle. Wind gusts as high as 50 mph are capable of knocking down small or weakened trees and blowing around trash cans, potted plants, lawn furniture and other light outdoor objects. && A severe thunderstorm watch remains in effect until 700 PM EDT for central North Carolina. A severe thunderstorm watch also remains in effect until 900 PM EDT for central North Carolina. LAT...LON 3627 7871 3634 7915 3654 7914 3654 7868 TIME...MOT...LOC 1938Z 274DEG 27KT 3647 7927 BLAES
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:57 PM EDT | Special Weather Statement | RAH | Warren | 63 min |
| Aug 13, 3:06 PM EDT | Special Weather Statement | RAH | Durham | 54 min |
| Aug 13, 3:10 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Orange | 29 min |
| Aug 13, 3:12 PM EDT | Special Weather Statement | RAH | Montgomery | 48 min |
| Aug 13, 3:20 PM EDT | Severe Thunderstorm Warning | RAH | Vance, Warren | 40 min |
| Aug 13, 3:22 PM EDT | Special Weather Statement | RAH | Forsyth | 53 min |
| Aug 13, 3:39 PM EDT | Special Weather Statement | RAH | Person | 66 min |
| Aug 13, 3:46 PM EDT | Severe Thunderstorm Warning | RAH | Person | 59 min |
| Aug 13, 3:49 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford | 56 min |
| Aug 13, 4:01 PM EDT | Severe Thunderstorm Warning | RAH | Halifax, Warren | 59 min |
| Aug 13, 4:14 PM EDT | Special Weather Statement | RAH | Franklin, Granville | 61 min |
| Aug 13, 4:34 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Franklin, Granville, Halifax, Nash, Vance and 1 more | 56 min |
| Aug 13, 4:35 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford, Randolph | 55 min |
| Aug 13, 4:35 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Durham, Wake | 40 min |
| Aug 13, 5:05 PM EDT | Special Weather Statement | RAH | Alamance, Orange | 40 min |
| Aug 13, 5:12 PM EDT | Special Weather Statement | RAH | Hoke | 63 min |
| Aug 13, 5:16 PM EDT | Special Weather Statement | RAH | Halifax | 59 min |
| Aug 13, 5:22 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Orange | 38 min |
| Aug 13, 5:26 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Davidson, Montgomery, Moore, Randolph | 23 min |
| Aug 13, 5:26 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Nash | 64 min |
| Aug 13, 5:48 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Wilson | 57 min |
| Aug 13, 5:58 PM EDT | Special Weather Statement | RAH | Chatham, Wake | 47 min |
| Aug 13, 6:21 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Wake, Wayne | 39 min |
| Aug 13, 6:38 PM EDT | Special Weather Statement | RAH | Wayne | 67 min |
| Aug 13, 6:50 PM EDT | Special Weather Statement | RAH | Wayne, Wilson | 40 min |
| Aug 13, 7:03 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Wayne | 42 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2019Every severe thunderstorm warning in 2019
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.