Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 233, NWS Raleigh, NC

July 28, 2022Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 28, 2022, 4:02 PM EDT for Wake County, North Carolina. It was in force for 43 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
Jul 28, 2022, 4:02 PM EDT (20:02 UTC)
Expired
Jul 28, 2022, 4:45 PM EDT
In force
43 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 20 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 117 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 2022-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 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 2022-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 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
794 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:09 PM EDTAreal Flood AdvisoryRAHAlamance, Chatham, Durham, Orange118 min
Jul 27, 8:47 PM EDTFlash Flood Warning Considerable damage threatRAHAlamance, Chatham, Randolph79 min
Jul 27, 9:07 PM EDTSpecial Weather StatementRAHWayne53 min
Jul 28, 3:23 PM EDTHeat AdvisoryRAHCumberland, Edgecombe, Franklin, Halifax, Harnett, Hoke and 11 more29 hr
Jul 28, 3:28 PM EDTSpecial Weather StatementRAHChatham, Wake62 min
Jul 28, 3:48 PM EDTSpecial Weather StatementRAHDavidson57 min
Jul 28, 4:19 PM EDTSpecial Weather StatementRAHJohnston56 min
Jul 28, 4:45 PM EDTSpecial Weather StatementRAHWake30 min
Jul 28, 4:46 PM EDTSpecial Weather StatementRAHRandolph44 min
Jul 28, 5:45 PM EDTSpecial Weather StatementRAHVance45 min
Jul 28, 5:48 PM EDTSpecial Weather StatementRAHDurham42 min
Jul 28, 6:27 PM EDTSpecial Weather StatementRAHVance, Warren63 min
Jul 28, 6:30 PM EDTSpecial Weather StatementRAHDurham60 min
Jul 28, 6:37 PM EDTSpecial Weather StatementRAHDurham53 min
Jul 28, 7:01 PM EDTSevere Thunderstorm WarningRAHHalifax, Warren44 min
Jul 28, 7:07 PM EDTSpecial Weather StatementRAHFranklin, Wake68 min
Jul 28, 7:39 PM EDTSpecial Weather StatementRAHDurham36 min
Jul 28, 7:44 PM EDTSpecial Weather StatementRAHHalifax61 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2022Every severe thunderstorm warning in 2022

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.