Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 244, NWS Raleigh, NC

July 31, 20224 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 31, 2022, 3:00 PM EDT for 4 counties in North Carolina. It was in force for 60 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 31, 2022, 3:00 PM EDT (19:00 UTC)
Expired: Jul 31, 2022, 4:00 PM EDT
In force: 60 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Edgecombe County, NC, Halifax County, NC, Nash County, NC, Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 79 km from the middle of the area, began a volume at 19:03 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

Newport, NC (KMHX), launched 12:00Z, 7.0 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2087 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 668 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 62 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 Jul 31, 2:56 PM EDT, 4 minutes earlier.

Area forecast discussion, Jul 31, 2:56 PM EDT, 4 minutes before

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Hazardous weather outlook, Jul 31, 4:28 AM EDT, 10 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Raleigh NC
428 AM EDT Sun Jul 31 2022

NCZ007>011-021>028-038>043-076>078-010830-
Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance-
Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake-
Johnston-Wilson-Lee-Harnett-Wayne-
428 AM EDT Sun Jul 31 2022

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Scattered flash flooding is possible this afternoon and evening,
especially in urban and poor drainage areas.

There is also a marginal risk of severe storms with damaging wind
gusts and an isolated tornado possible.

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

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

NCZ073>075-083>086-088-089-010830-
Stanly-Montgomery-Moore-Anson-Richmond-Scotland-Hoke-Cumberland-
Sampson-
428 AM EDT Sun Jul 31 2022

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Isolated flash flooding is possible this afternoon and evening,
especially in urban and poor drainage areas.

There is also a marginal risk of severe storms with damaging wind
gusts and an isolated tornado possible.

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

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

JJT

In the hours before

Special weather statement, Jul 31, 1:21 PM EDT, 1 hour 39 minutes before

Special Weather Statement
National Weather Service Raleigh NC
121 PM EDT Sun Jul 31 2022

NCZ008-025-026-041-311815-
Franklin NC-Durham NC-Wake NC-Granville NC-
121 PM EDT Sun Jul 31 2022

...A cluster of strong thunderstorms will impact portions of
southern Granville, northwestern Wake, Durham and west central
Franklin Counties through 215 PM EDT...

At 121 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms near RDU International, or 8 miles northwest of
Raleigh, moving northeast at 25 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Raleigh, Durham, Cary, Creedmoor, Louisburg, Wake Forest, Butner,
Franklinton, RDU International and Morrisville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3616 7846 3613 7824 3579 7878 3598 7898
      3624 7891 3624 7880
TIME...MOT...LOC 1721Z 242DEG 23KT 3592 7875

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

NTL

Special weather statement, Jul 31, 1:38 PM EDT, 1 hour 22 minutes before

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Special weather statement, Jul 31, 1:50 PM EDT, 1 hour 10 minutes before

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Local storm report, Jul 31, 2:17 PM EDT, 43 minutes before

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Special weather statement, Jul 31, 2:22 PM EDT, 38 minutes before

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Special weather statement, Jul 31, 2:39 PM EDT, 21 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 10:18 PM EDT	Special Weather Statement	RAH	Harnett	27 min
Jul 31, 3:05 AM EDT	Special Weather Statement	RAH	Durham, Granville, Orange	85 min
Jul 31, 12:53 PM EDT	Tornado Warning	RAH	Halifax	37 min
Jul 31, 1:21 PM EDT	Special Weather Statement	RAH	Durham	54 min
Jul 31, 1:28 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax	62 min
Jul 31, 1:31 PM EDT	Tornado Warning	RAH	Edgecombe, Halifax	30 min
Jul 31, 1:38 PM EDT	Special Weather Statement	RAH	Warren	67 min
Jul 31, 1:50 PM EDT	Special Weather Statement	RAH	Granville, Vance	55 min
Jul 31, 2:17 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Halifax, Nash, Vance, Warren	43 min
Jul 31, 2:22 PM EDT	Special Weather Statement	RAH	Cumberland, Hoke	53 min
Jul 31, 2:23 PM EDT	Areal Flood Advisory	RAH	Franklin, Granville, Vance, Warren	3 hr
Jul 31, 2:26 PM EDT	Areal Flood Advisory	RAH	Edgecombe, Wilson	96 min
Jul 31, 2:39 PM EDT	Special Weather Statement	RAH	Johnston	66 min
Jul 31, 2:56 PM EDT	Areal Flood Advisory	RAH	Edgecombe, Halifax, Nash	3 hr
Jul 31, 3:01 PM EDT	Special Weather Statement	RAH	Cumberland, Sampson	59 min
Jul 31, 3:15 PM EDT	Special Weather Statement	RAH	Granville, Person, Vance	60 min
Jul 31, 3:48 PM EDT	Special Weather Statement	RAH	Sampson, Wayne	57 min
Jul 31, 4:31 PM EDT	Special Weather Statement	RAH	Wake	29 min
Jul 31, 4:44 PM EDT	Areal Flood Advisory	RAH	Johnston, Wayne	107 min
Jul 31, 4:51 PM EDT	Special Weather Statement	RAH	Franklin	24 min
Jul 31, 4:53 PM EDT	Special Weather Statement	RAH	Wayne	52 min
Jul 31, 5:05 PM EDT	Special Weather Statement	RAH	Johnston	55 min
Jul 31, 5:14 PM EDT	Special Weather Statement	RAH	Franklin	46 min
Jul 31, 5:58 PM EDT	Special Weather Statement	RAH	Wilson	47 min
Jul 31, 6:03 PM EDT	Special Weather Statement	RAH	Johnston, Wayne	57 min
Jul 31, 6:09 PM EDT	Special Weather Statement	RAH	Nash	51 min
Jul 31, 6:53 PM EDT	Special Weather Statement	RAH	Davidson	52 min
Jul 31, 7:47 PM EDT	Special Weather Statement	RAH	Randolph	43 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2022 Every 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.