Alert archive / North Carolina / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 150, NWS Raleigh, NC

August 18, 20246 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Aug 18, 2024, 8:17 PM EDT for 6 counties in North Carolina. It was in force for 58 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 18, 2024, 8:17 PM EDT (00:17 UTC)
Expired
Aug 18, 2024, 9:15 PM EDT
In force
58 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Alamance County, NC, Chatham County, NC, Lee County, NC, Moore County, NC, Orange County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 80 km from the middle of the area, began a volume at 00:21 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.

IssuedProductOfficeLasted
Aug 18, 3:28 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 0.3 hours before the alert went out and 249 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, Newport, NC at 00:00Z on 2024-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1186 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, Newport, NC at 00:00Z on 2024-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
1186 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.3

Open this sounding in Storm Lab

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 18, 7:25 PM EDT, 52 minutes earlier.

Area forecast discussion, Aug 18, 7:25 PM EDT, 52 minutes before
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Hazardous weather outlook, Aug 18, 3:33 PM EDT, 4 hours 44 minutes before
Hazardous Weather Outlook
National Weather Service Raleigh NC
333 PM EDT Sun Aug 18 2024

NCZ007>011-021>028-038>043-073>078-083>086-088-089-191945-
Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance-
Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake-
Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson-
Richmond-Scotland-Hoke-Cumberland-Sampson-
333 PM EDT Sun Aug 18 2024

...SEVERE THUNDERSTORM WATCH 635 IN EFFECT UNTIL 10 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.

There is a risk for severe thunderstorms this afternoon and evening.
The main threat is damaging wind.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Isolated strong to severe storms are possible Monday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 18, 7:41 PM EDT, 36 minutes before
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Special weather statement, Aug 18, 7:49 PM EDT, 28 minutes before
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Special weather statement, Aug 18, 8:08 PM EDT, 9 minutes before
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Special weather statement, Aug 18, 8:09 PM EDT, 8 minutes before
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Local storm report, Aug 18, 8:10 PM EDT, 7 minutes before
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Special weather statement, Aug 18, 8:16 PM EDT, 1 minute before
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The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 8:08 PM EDTSpecial Weather StatementRAHAlamance, Chatham, Lee, Montgomery, Moore, Stanly67 min
Aug 18, 8:09 PM EDTSpecial Weather StatementRAHHoke66 min
Aug 18, 8:16 PM EDTSpecial Weather StatementRAHBladen59 min
Aug 18, 8:24 PM EDTSpecial Weather StatementRAHDurham, Granville51 min
Aug 18, 8:26 PM EDTSpecial Weather StatementRAHWayne64 min
Aug 18, 8:57 PM EDTSpecial Weather StatementRAHDurham, Harnett, Wake48 min
Aug 18, 9:31 PM EDTSpecial Weather StatementRAHCumberland, Sampson, Wayne74 min
Aug 18, 9:54 PM EDTSpecial Weather StatementRAHDurham36 min
Aug 18, 10:20 PM EDTSpecial Weather StatementRAHEdgecombe, Nash, Wilson40 min
Aug 18, 10:50 PM EDTSpecial Weather StatementRAHWayne25 min
Aug 18, 11:09 PM EDTSpecial Weather StatementRAHEdgecombe, Nash, Wilson36 min
Aug 19, 2:58 PM EDTSpecial Weather StatementRAHGuilford62 min
Aug 19, 3:05 PM EDTSpecial Weather StatementRAHForsyth55 min
Aug 19, 3:49 PM EDTSpecial Weather StatementRAHAlamance56 min
Aug 19, 3:51 PM EDTSpecial Weather StatementRAHDavidson54 min
Aug 19, 3:53 PM EDTSpecial Weather StatementRAHPerson67 min
Aug 19, 4:15 PM EDTSevere Thunderstorm WarningRAHDurham, Granville, Person45 min
Aug 19, 4:24 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Guilford, Orange, Randolph41 min
Aug 19, 4:35 PM EDTAreal Flood AdvisoryRAHGuilford76 min
Aug 19, 4:35 PM EDTSpecial Weather StatementRAHGuilford40 min
Aug 19, 4:46 PM EDTFlash Flood Warning Considerable damage threatRAHGuilford66 min
Aug 19, 4:56 PM EDTSpecial Weather StatementRAHGranville, Vance64 min
Aug 19, 5:12 PM EDTSpecial Weather StatementRAHChatham63 min
Aug 19, 5:37 PM EDTSpecial Weather StatementRAHFranklin38 min
Aug 19, 5:57 PM EDTSpecial Weather StatementRAHHalifax33 min
Aug 19, 6:41 PM EDTSpecial Weather StatementRAHWilson34 min
Aug 19, 7:24 PM EDTSpecial Weather StatementRAHWilson51 min
Aug 19, 7:27 PM EDTSpecial Weather StatementRAHEdgecombe33 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2024Every severe thunderstorm warning in 2024

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.