Alert archive / North Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 293, NWS Raleigh, NC

September 18, 2026Johnston County, Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Sep 18, 2026, 5:46 PM EDT for Johnston County, Wake County, North Carolina. It was in force for 44 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
Sep 18, 2026, 5:46 PM EDT (21:46 UTC)
Expired
Sep 18, 2026, 6:30 PM EDT
In force
44 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Johnston County, NC, Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 2 km from the middle of the area, began a volume at 21:47 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.8 hours before the alert went out and 134 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, Greensboro/Hi Pt, NC at 12:00Z on 2026-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 587 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, Greensboro/Hi Pt, NC at 12:00Z on 2026-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
587 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Sep 18, 3:25 PM EDT, 2 hours 21 minutes earlier.

Area forecast discussion, Sep 18, 3:25 PM EDT, 2 hours 21 minutes before
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Hazardous weather outlook, Sep 18, 2:48 AM EDT, 14 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service Raleigh NC
248 AM EDT Fri Sep 18 2026

NCZ007>010-021>026-038>042-073>077-083>086-088-089-190700-
Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange-
Durham-Franklin-Davidson-Randolph-Chatham-Wake-Johnston-Stanly-
Montgomery-Moore-Lee-Harnett-Anson-Richmond-Scotland-Hoke-Cumberland-
Sampson-
248 AM EDT Fri Sep 18 2026

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Scattered to locally numerous showers and storms are expected this
afternoon into the evening hours. Isolated instances of strong to
severe winds, 40-60 mph, will be possible, but highly conditional in
an otherwise unfavorable weather pattern to produce widespread
severe weather.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

NCZ011-027-028-043-078-190700-
Halifax-Nash-Edgecombe-Wilson-Wayne-
248 AM EDT Fri Sep 18 2026

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Sep 18, 5:10 PM EDT, 36 minutes before
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Local storm report, Sep 18, 5:15 PM EDT, 31 minutes before
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Local storm report, Sep 18, 5:20 PM EDT, 26 minutes before
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Special weather statement, Sep 18, 5:31 PM EDT, 15 minutes before
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Local storm report, Sep 18, 5:43 PM EDT, 3 minutes before
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Local storm report, Sep 18, 5:44 PM EDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 2:06 PM EDTSpecial Weather StatementRAHRandolph39 min
Sep 18, 2:19 PM EDTSevere Thunderstorm WarningRAHDavidson, Forsyth, Guilford, Randolph41 min
Sep 18, 2:57 PM EDTSevere Thunderstorm Warning Considerable damage threatRAHChatham, Guilford, Randolph48 min
Sep 18, 2:59 PM EDTAreal Flood AdvisoryRAHGuilford, Randolph11 min
Sep 18, 3:10 PM EDTFlash Flood WarningRAHDavidson, Guilford, Randolph2 hr
Sep 18, 3:31 PM EDTSpecial Weather StatementRAHMontgomery59 min
Sep 18, 3:38 PM EDTSpecial Weather StatementRAHCumberland, Scotland67 min
Sep 18, 3:44 PM EDTSevere Thunderstorm WarningRAHChatham, Lee, Randolph46 min
Sep 18, 3:55 PM EDTAreal Flood AdvisoryRAHDavidson, Randolph92 min
Sep 18, 3:57 PM EDTAreal Flood AdvisoryRAHForsyth91 min
Sep 18, 4:05 PM EDTSpecial Weather StatementRAHHarnett, Lee, Moore55 min
Sep 18, 4:10 PM EDTSpecial Weather StatementRAHFranklin, Granville, Vance65 min
Sep 18, 4:10 PM EDTSevere Thunderstorm WarningRAHHarnett, Lee, Montgomery, Moore, Randolph50 min
Sep 18, 4:16 PM EDTSevere Thunderstorm WarningRAHAnson, Montgomery, Stanly44 min
Sep 18, 4:26 PM EDTSevere Thunderstorm WarningRAHChatham, Lee, Orange37 min
Sep 18, 4:31 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston44 min
Sep 18, 4:56 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Moore, Richmond, Scotland49 min
Sep 18, 5:21 PM EDTSevere Thunderstorm WarningRAHCumberland, Sampson39 min
Sep 18, 5:31 PM EDTSpecial Weather StatementRAHWake44 min
Sep 18, 6:11 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Sampson, Wake, Wayne49 min
Sep 18, 6:46 PM EDTSevere Thunderstorm WarningRAHJohnston, Wayne, Wilson44 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2026Every severe thunderstorm warning in 2026

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.