Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 33, NWS Raleigh, NC

May 1, 20224 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 1, 2022, 2:54 PM EDT for 4 counties in North Carolina. It was in force for 51 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
May 1, 2022, 2:54 PM EDT (18:54 UTC)
Expired
May 1, 2022, 3:45 PM EDT
In force
51 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 18:53 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
May 1, 1:37 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 20 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 2022-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2022-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
14 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 May 1, 1:48 PM EDT, 1 hour 6 minutes earlier.

Area forecast discussion, May 1, 1:48 PM EDT, 1 hour 6 minutes before
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Hazardous weather outlook, May 1, 1:44 PM EDT, 1 hour 10 minutes before
Hazardous Weather Outlook
National Weather Service Raleigh NC
144 PM EDT Sun May 1 2022

NCZ007>011-021>028-038>041-043-076-021745-
Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance-
Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake-
Wilson-Lee-
144 PM EDT Sun May 1 2022

...SEVERE THUNDERSTORM WATCH 167 IN EFFECT UNTIL 9 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.

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

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ042-073>075-077-078-083>086-088-089-021745-
Johnston-Stanly-Montgomery-Moore-Harnett-Wayne-Anson-Richmond-
Scotland-Hoke-Cumberland-Sampson-
144 PM EDT Sun May 1 2022

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...This afternoon and tonight.

An isolated strong to severe storm is possible this afternoon and
evening.

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

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 1, 2:46 PM EDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 5:16 AM EDTDense Fog AdvisoryRAHAlamance, Chatham, Davidson, Durham, Forsyth, Granville and 6 more4 hr
May 1, 2:46 PM EDTSpecial Weather StatementRAHGuilford, Randolph44 min
May 1, 3:20 PM EDTSevere Thunderstorm WarningRAHAlamance, Guilford25 min
May 1, 3:48 PM EDTSpecial Weather StatementRAHAlamance27 min
May 1, 4:02 PM EDTSpecial Weather StatementRAHRandolph58 min
May 1, 4:22 PM EDTSpecial Weather StatementRAHRandolph53 min
May 1, 4:22 PM EDTSpecial Weather StatementRAHPerson53 min
May 1, 4:25 PM EDTSpecial Weather StatementRAHAlamance65 min
May 1, 4:42 PM EDTSevere Thunderstorm WarningRAHAlamance, Orange48 min
May 1, 4:46 PM EDTSpecial Weather StatementRAHAnson44 min
May 1, 4:52 PM EDTSevere Thunderstorm WarningRAHAlamance, Orange27 min
May 1, 5:08 PM EDTSevere Thunderstorm WarningRAHChatham, Lee52 min
May 1, 5:15 PM EDTSevere Thunderstorm WarningRAHDurham, Granville, Orange45 min
May 1, 5:28 PM EDTSpecial Weather StatementRAHAnson, Richmond62 min
May 1, 5:37 PM EDTSevere Thunderstorm WarningRAHDurham, Granville, Wake38 min
May 1, 5:48 PM EDTSevere Thunderstorm WarningRAHAnson, Richmond42 min
May 1, 5:52 PM EDTSevere Thunderstorm WarningRAHChatham, Harnett, Johnston, Lee, Wake53 min
May 1, 6:16 PM EDTSpecial Weather StatementRAHFranklin59 min
May 1, 6:22 PM EDTSpecial Weather StatementRAHPerson53 min
May 1, 6:31 PM EDTSpecial Weather StatementRAHHoke, Richmond, Scotland59 min
May 1, 6:45 PM EDTSpecial Weather StatementRAHJohnston, Wake60 min
May 1, 6:49 PM EDTSpecial Weather StatementRAHFranklin, Vance, Warren56 min
May 1, 6:50 PM EDTSpecial Weather StatementRAHGranville, Person40 min
May 1, 7:20 PM EDTSpecial Weather StatementRAHGranville, Vance, Warren55 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.