Alert archive / North Carolina / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 172, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 15, 2023, 2:56 PM EDT for 4 counties in North Carolina. It was in force for 49 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 15, 2023, 2:56 PM EDT (18:56 UTC)
- Expired
- Aug 15, 2023, 3:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Davidson County, NC, Forsyth County, NC, Guilford County, NC, Randolph County, NC
The radar
The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 18:57 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 15, 1:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 20 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
- 832 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1002 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 15, 2:45 PM EDT, 11 minutes earlier.
Area forecast discussion, Aug 15, 2:45 PM EDT, 11 minutes before
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</html>Hazardous weather outlook, Aug 15, 1:52 PM EDT, 1 hour 4 minutes before
Hazardous Weather Outlook National Weather Service Raleigh NC 152 PM EDT Tue Aug 15 2023 NCZ007>009-021>023-038-039-161800- Person-Granville-Vance-Forsyth-Guilford-Alamance-Davidson-Randolph- 152 PM EDT Tue Aug 15 2023 ...SEVERE THUNDERSTORM WATCH 649 IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. NCZ010-024>026-040-073>076-083-084-161800- Warren-Orange-Durham-Franklin-Chatham-Stanly-Montgomery-Moore-Lee- Anson-Richmond- 152 PM EDT Tue Aug 15 2023 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 649 IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Heat Advisory. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. NCZ011-027-028-041>043-077-078-085-086-088-089-161800- Halifax-Nash-Edgecombe-Wake-Johnston-Wilson-Harnett-Wayne-Scotland- Hoke-Cumberland-Sampson- 152 PM EDT Tue Aug 15 2023 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 649 IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Excessive Heat Warning. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. JJT
In the hours before
Special weather statement, Aug 15, 1:26 PM EDT, 1 hour 30 minutes before
Special Weather Statement
National Weather Service Raleigh NC
126 PM EDT Tue Aug 15 2023
NCZ007-023>025-151800-
Durham NC-Alamance NC-Person NC-Orange NC-
126 PM EDT Tue Aug 15 2023
...A strong thunderstorm will impact portions of central Alamance,
Person, Orange and northwestern Durham Counties through 200 PM EDT...
At 126 PM EDT, Doppler radar was tracking a strong thunderstorm near
Baynes, or near Prospect Hill, moving northeast at 40 mph.
HAZARD...Winds in excess of 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Durham, Chapel Hill, Burlington, Graham, Roxboro, Hillsborough,
Mebane, Rougemont, Concord and Haw River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3647 7880 3601 7880 3591 7933 3610 7949
3625 7948 3624 7915 3648 7914
TIME...MOT...LOC 1726Z 244DEG 33KT 3620 7927
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
ASSpecial weather statement, Aug 15, 2:06 PM EDT, 50 minutes before
Special Weather Statement
National Weather Service Raleigh NC
206 PM EDT Tue Aug 15 2023
NCZ007>010-025-026-040-041-075>077-088-151930-
Lee NC-Chatham NC-Franklin NC-Vance NC-Durham NC-Harnett NC-
Person NC-Warren NC-Wake NC-Granville NC-Moore NC-Cumberland NC-
206 PM EDT Tue Aug 15 2023
...Thunderstorms will become more numerous and strengthen across
Moore, southeastern Person, Vance, Warren, Harnett, Granville, Lee,
Wake, Durham, Chatham and Franklin Counties through 330 PM EDT...
At 201 PM EDT, Doppler radar was tracking developing thunderstorms
in Granville, Vance, Wake and Lee Counties with the storms moving
northeast at 35 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Raleigh, Durham, Cary, Sanford, Henderson, Southern Pines, Oxford,
Creedmoor, Pittsboro and Louisburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storm will likely intensify, so be certain to monitor local
radio stations and available television stations for additional
information and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central North Carolina.
&&
LAT...LON 3654 7790 3630 7794 3582 7826 3571 7847
3552 7871 3534 7853 3526 7860 3517 7912
3521 7925 3504 7946 3507 7957 3551 7977
3552 7955 3584 7954 3587 7901 3654 7880
TIME...MOT...LOC 1804Z 237DEG 30KT 3568 7884
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
BLAESSpecial weather statement, Aug 15, 2:14 PM EDT, 42 minutes before
Special Weather Statement
National Weather Service Raleigh NC
214 PM EDT Tue Aug 15 2023
NCZ021-022-038-151915-
Guilford NC-Forsyth NC-Davidson NC-
214 PM EDT Tue Aug 15 2023
...A strong thunderstorm will impact portions of Forsyth, northern
Davidson and western Guilford Counties through 315 PM EDT...
At 214 PM EDT, Doppler radar was tracking a strong thunderstorm near
Mocksville, moving northeast at 35 mph.
HAZARD...Winds in excess of 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Greensboro, Winston-Salem, High Point, Lexington, Thomasville,
Kernersville, Clemmons, Bermuda Run, Huntsville and Lewisville.
This includes the following highways...
Interstate 85 between Mile Markers 97 and 104.
Interstate 40 between Mile Markers 182 and 216.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central North Carolina.
&&
LAT...LON 3614 8044 3617 8044 3626 8025 3626 7999
3606 7985 3592 7996 3592 8005 3581 8005
3582 8047 3583 8049 3583 8043 3585 8038
3589 8041 3589 8037 3596 8038 3599 8042
3601 8042 3606 8046 3605 8051 3609 8052
TIME...MOT...LOC 1814Z 244DEG 29KT 3592 8064
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
BLAESSpecial weather statement, Aug 15, 2:23 PM EDT, 33 minutes before
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</html>Local storm report, Aug 15, 2:50 PM EDT, 6 minutes before
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</html>The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:22 AM EDT | Excessive Heat Warning | RAH | Cumberland, Edgecombe, Halifax, Harnett, Hoke, Johnston and 6 more | 16 hr |
| Aug 15, 1:26 PM EDT | Special Weather Statement | RAH | Alamance, Durham, Orange, Person | 34 min |
| Aug 15, 1:45 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Orange, Person | 45 min |
| Aug 15, 2:06 PM EDT | Special Weather Statement | RAH | Chatham, Durham, Franklin, Granville, Harnett, Lee and 4 more | 84 min |
| Aug 15, 2:14 PM EDT | Special Weather Statement | RAH | Forsyth | 61 min |
| Aug 15, 2:16 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Person, Vance | 44 min |
| Aug 15, 2:23 PM EDT | Special Weather Statement | RAH | Wake | 52 min |
| Aug 15, 2:25 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Vance, Warren | 50 min |
| Aug 15, 2:30 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth | 45 min |
| Aug 15, 2:51 PM EDT | Severe Thunderstorm Warning | RAH | Halifax, Warren | 39 min |
| Aug 15, 3:00 PM EDT | Special Weather Statement | RAH | Franklin, Nash | 60 min |
| Aug 15, 3:13 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Johnston, Nash, Wake, Wilson | 47 min |
| Aug 15, 3:18 PM EDT | Special Weather Statement | RAH | Granville, Vance | 27 min |
| Aug 15, 3:29 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Guilford, Randolph | 46 min |
| Aug 15, 3:30 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash | 45 min |
| Aug 15, 3:36 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Nash, Wilson | 35 min |
| Aug 15, 3:37 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Randolph | 38 min |
| Aug 15, 3:51 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Durham, Orange | 39 min |
| Aug 15, 3:56 PM EDT | Special Weather Statement | RAH | Harnett, Johnston | 64 min |
| Aug 15, 4:05 PM EDT | Special Weather Statement | RAH | Wilson | 55 min |
| Aug 15, 4:12 PM EDT | Special Weather Statement | RAH | Hoke, Richmond | 63 min |
| Aug 15, 4:13 PM EDT | Special Weather Statement | RAH | Edgecombe | 47 min |
| Aug 15, 4:16 PM EDT | Special Weather Statement | RAH | Wake | 44 min |
| Aug 15, 4:22 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Franklin, Granville, Wake | 38 min |
| Aug 15, 4:28 PM EDT | Special Weather Statement | RAH | Chatham, Lee, Moore | 62 min |
| Aug 15, 4:29 PM EDT | Areal Flood Advisory | RAH | Wake | 3 hr |
| Aug 15, 4:38 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 52 min |
| Aug 15, 4:47 PM EDT | Special Weather Statement | RAH | Franklin, Nash | 58 min |
| Aug 15, 4:49 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Granville, Halifax, Vance, Warren | 41 min |
| Aug 15, 4:51 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Halifax, Nash, Wake | 39 min |
| Aug 15, 5:01 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Davidson, Montgomery, Randolph, Richmond, Stanly | 44 min |
| Aug 15, 5:03 PM EDT | Special Weather Statement | RAH | Wake | 27 min |
| Aug 15, 5:08 PM EDT | Areal Flood Advisory | RAH | Franklin, Johnston, Nash, Wake | 3 hr |
| Aug 15, 5:12 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Nash, Wayne, Wilson | 48 min |
| Aug 15, 5:14 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston, Wake | 46 min |
| Aug 15, 5:24 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery, Moore | 66 min |
| Aug 15, 5:25 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash, Warren, Wilson | 65 min |
| Aug 15, 5:31 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Johnston, Nash, Wake, Wayne, Wilson | 44 min |
| Aug 15, 5:35 PM EDT | Areal Flood Advisory | RAH | Cumberland, Harnett, Johnston, Wake | 2 hr |
| Aug 15, 5:38 PM EDT | Flash Flood Warning | RAH | Franklin, Wake | 2 hr |
| Aug 15, 5:56 PM EDT | Special Weather Statement | RAH | Cumberland, Sampson | 64 min |
| Aug 15, 6:09 PM EDT | Flash Flood Warning | RAH | Edgecombe, Nash, Wilson | 2 hr |
| Aug 15, 6:09 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston, Sampson, Wayne, Wilson | 66 min |
| Aug 15, 6:11 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Harnett, Lee, Moore, Wake | 49 min |
| Aug 15, 6:49 PM EDT | Flash Flood Warning | RAH | Johnston | 2 hr |
| Aug 15, 6:55 PM EDT | Special Weather Statement | RAH | Wake | 35 min |
| Aug 15, 7:28 PM EDT | Areal Flood Advisory | RAH | Wayne | 3 hr |
| Aug 15, 7:38 PM EDT | Special Weather Statement | RAH | Edgecombe, Wayne, Wilson | 52 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2023Every severe thunderstorm warning in 2023
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.