Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 232, NWS Raleigh, NC

July 27, 20224 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 27, 2022, 7:24 PM EDT for 4 counties in North Carolina. It was in force for 48 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 27, 2022, 7:24 PM EDT (23:24 UTC)
Expired
Jul 27, 2022, 8:12 PM EDT
In force
48 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Franklin County, NC, Halifax County, NC, Nash County, NC, Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 72 km from the middle of the area, began a volume at 23:25 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 12:00Z, 11.4 hours before the alert went out and 175 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 12:00Z on 2022-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 577 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 12:00Z on 2022-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
577 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:50 AM EDTHeat AdvisoryRAHCumberland, Edgecombe, Harnett, Hoke, Johnston, Nash and 5 more15 hr
Jul 27, 1:54 PM EDTSpecial Weather StatementRAHWake36 min
Jul 27, 2:01 PM EDTSpecial Weather StatementRAHChatham29 min
Jul 27, 2:06 PM EDTSpecial Weather StatementRAHHalifax24 min
Jul 27, 2:29 PM EDTSpecial Weather StatementRAHHalifax46 min
Jul 27, 2:36 PM EDTSpecial Weather StatementRAHWake24 min
Jul 27, 2:46 PM EDTSevere Thunderstorm WarningRAHChatham, Durham, Wake27 min
Jul 27, 3:08 PM EDTSpecial Weather StatementRAHEdgecombe, Nash37 min
Jul 27, 3:27 PM EDTHeat AdvisoryRAHCumberland, Edgecombe, Halifax, Harnett, Hoke, Johnston and 6 more29 hr
Jul 27, 3:35 PM EDTSpecial Weather StatementRAHEdgecombe10 min
Jul 27, 3:47 PM EDTSpecial Weather StatementRAHWarren28 min
Jul 27, 3:53 PM EDTSpecial Weather StatementRAHWarren67 min
Jul 27, 3:56 PM EDTSevere Thunderstorm WarningRAHWarren37 min
Jul 27, 4:23 PM EDTSpecial Weather StatementRAHVance52 min
Jul 27, 4:32 PM EDTSpecial Weather StatementRAHHalifax58 min
Jul 27, 4:54 PM EDTSpecial Weather StatementRAHNash36 min
Jul 27, 5:37 PM EDTSpecial Weather StatementRAHGranville, Person, Vance38 min
Jul 27, 5:42 PM EDTSpecial Weather StatementRAHHalifax33 min
Jul 27, 6:14 PM EDTSpecial Weather StatementRAHDurham, Granville, Orange, Person, Vance, Warren61 min
Jul 27, 6:32 PM EDTSevere Thunderstorm WarningRAHFranklin, Granville, Vance, Warren43 min
Jul 27, 6:50 PM EDTSpecial Weather StatementRAHAlamance, Guilford55 min
Jul 27, 7:01 PM EDTSevere Thunderstorm WarningRAHFranklin, Nash, Vance, Warren44 min
Jul 27, 7:15 PM EDTSpecial Weather StatementRAHForsyth30 min
Jul 27, 7:38 PM EDTSpecial Weather StatementRAHAlamance, Chatham67 min
Jul 27, 7:40 PM EDTSpecial Weather StatementRAHWake50 min
Jul 27, 7:51 PM EDTSpecial Weather StatementRAHEdgecombe, Halifax, Nash54 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.