Alert archive / North Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 211, NWS Raleigh, NC

August 17, 2026Davidson County, Guilford County, Randolph County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Aug 17, 2026, 12:31 AM EDT for Davidson County, Guilford County, Randolph County, North Carolina. It was in force for 59 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 17, 2026, 12:31 AM EDT (04:31 UTC)
Expired
Aug 17, 2026, 1:30 AM EDT
In force
59 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Davidson County, NC, Guilford County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 132 km from the middle of the area, began a volume at 04:32 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

Roanoke, VA (KRNK), launched 00:00Z, 4.5 hours before the alert went out and 154 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, Roanoke, VA at 00:00Z on 2026-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1901 joules per kilogram.LCLEL10008507005003002001001 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, Roanoke, VA at 00:00Z on 2026-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1901 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1102 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.2

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 8:04 PM EDTAreal Flood AdvisoryRAHMontgomery, Stanly46 min
Aug 16, 11:06 PM EDTSpecial Weather StatementRAHForsyth39 min
Aug 16, 11:44 PM EDTSpecial Weather StatementRAHGuilford61 min
Aug 17, 12:03 AM EDTSpecial Weather StatementRAHDavidson57 min
Aug 17, 1:21 AM EDTSpecial Weather StatementRAHChatham, Randolph54 min
Aug 17, 2:21 PM EDTHeat AdvisoryRAHAnson, Chatham, Cumberland, Edgecombe, Franklin, Harnett and 13 more30 hr
Aug 17, 3:36 PM EDTSpecial Weather StatementRAHGuilford54 min
Aug 17, 4:06 PM EDTSpecial Weather StatementRAHForsyth54 min
Aug 17, 4:29 PM EDTSpecial Weather StatementRAHAlamance, Chatham, Durham, Guilford, Orange61 min
Aug 17, 4:36 PM EDTSevere Thunderstorm WarningRAHAlamance, Orange39 min
Aug 17, 5:22 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Durham, Orange, Wake38 min
Aug 17, 5:26 PM EDTSpecial Weather StatementRAHForsyth, Guilford64 min
Aug 17, 5:54 PM EDTSpecial Weather StatementRAHDurham, Franklin, Wake66 min
Aug 17, 6:40 PM EDTSpecial Weather StatementRAHDavidson, Forsyth80 min
Aug 17, 6:46 PM EDTSevere Thunderstorm WarningRAHForsyth44 min
Aug 17, 7:57 PM EDTSpecial Weather StatementRAHOrange63 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.