Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 131, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 28, 2020, 3:38 PM EDT for Granville County, Person County, North Carolina. It was in force for 67 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, 2020, 3:38 PM EDT (19:38 UTC)
- Expired
- Jul 28, 2020, 4:45 PM EDT
- In force
- 67 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Granville County, NC, Person County, NC
The radar
The Raleigh/Durham radar (KRAX), 81 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 102 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.
- Mixed-layer CAPE
- 702 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1352 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 28, 2:22 PM EDT, 1 hour 16 minutes earlier.
Area forecast discussion, Jul 28, 2:22 PM EDT, 1 hour 16 minutes before
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</html>Hazardous weather outlook, Jul 28, 4:38 AM EDT, 11 hours before
Hazardous Weather Outlook National Weather Service Raleigh NC 438 AM EDT Tue Jul 28 2020 NCZ007>009-021>025-038>040-073-074-083-290845- Person-Granville-Vance-Forsyth-Guilford-Alamance-Orange-Durham- Davidson-Randolph-Chatham-Stanly-Montgomery-Anson- 438 AM EDT Tue Jul 28 2020 This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ010-011-026>028-041>043-075>078-084>086-088-089-290845- Warren-Halifax-Franklin-Nash-Edgecombe-Wake-Johnston-Wilson-Moore- Lee-Harnett-Wayne-Richmond-Scotland-Hoke-Cumberland-Sampson- 438 AM EDT Tue Jul 28 2020 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Heat Advisory. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Jul 28, 3:09 PM EDT, 29 minutes before
Special Weather Statement
National Weather Service Raleigh NC
309 PM EDT Tue Jul 28 2020
NCZ086-282015-
Hoke NC-
309 PM EDT Tue Jul 28 2020
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL HOKE COUNTY UNTIL 415 PM
EDT...
At 308 PM EDT, Doppler radar was tracking a strong thunderstorm near
Raeford, moving northeast at 5 mph.
Pea size hail and wind gusts up to 40 mph will be possible with this
storm.
Locations impacted include...
Raeford, Silver City and Rockfish.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dont wait until you see the first lightning flash before heading to
safety. Move indoors at the first sign of threatening skies or the
first sound of thunder. Deadly lightning strikes can occur well ahead
of an approaching storm, prior to the arrival of rain and wind. Make
sure that lightning is well away from your location before resuming
outdoor activity.
&&
LAT...LON 3494 7929 3507 7934 3517 7916 3507 7909
3504 7909 3499 7905 3498 7905
TIME...MOT...LOC 1908Z 246DEG 6KT 3504 7923
JJTSpecial weather statement, Jul 28, 3:28 PM EDT, 10 minutes before
Special Weather Statement National Weather Service Raleigh NC 328 PM EDT Tue Jul 28 2020 NCZ010-011-026-027-282030- Nash NC-Franklin NC-Warren NC-Halifax NC- 328 PM EDT Tue Jul 28 2020 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN NASH...SOUTHEASTERN WARREN...WEST CENTRAL HALIFAX AND NORTHEASTERN FRANKLIN COUNTIES UNTIL 430 PM EDT... At 327 PM EDT, Doppler radar was tracking a strong thunderstorm 14 miles east of Louisburg, moving northeast at 20 mph. Wind gusts up to 40 mph will be possible with this storm. Locations impacted include... Enfield, Castalia, Centerville, Glenview, Arcola, Medoc Mountain State Park, Aventon and Airlie. PRECAUTIONARY/PREPAREDNESS ACTIONS... Dont wait until you see the first lightning flash before heading to safety. Move indoors at the first sign of threatening skies or the first sound of thunder. Deadly lightning strikes can occur well ahead of an approaching storm, prior to the arrival of rain and wind. Make sure that lightning is well away from your location before resuming outdoor activity. && LAT...LON 3599 7814 3616 7829 3639 7787 3618 7766 TIME...MOT...LOC 1927Z 241DEG 18KT 3617 7805 JJT
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:41 AM EDT | Heat Advisory | RAH | Cumberland, Edgecombe, Franklin, Halifax, Harnett, Hoke and 11 more | 16 hr |
| Jul 28, 3:09 PM EDT | Special Weather Statement | RAH | Hoke | 66 min |
| Jul 28, 3:28 PM EDT | Special Weather Statement | RAH | Nash | 62 min |
| Jul 28, 4:16 PM EDT | Special Weather Statement | RAH | Wayne | 59 min |
| Jul 28, 4:25 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Wake | 65 min |
| Jul 28, 4:29 PM EDT | Special Weather Statement | RAH | Sampson | 61 min |
| Jul 28, 4:49 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Sampson | 41 min |
| Jul 28, 5:03 PM EDT | Special Weather Statement | RAH | Harnett | 57 min |
| Jul 28, 5:11 PM EDT | Special Weather Statement | RAH | Franklin, Wake | 64 min |
| Jul 28, 5:25 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Wake, Warren | 65 min |
| Jul 28, 5:28 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 47 min |
| Jul 28, 5:29 PM EDT | Special Weather Statement | RAH | Edgecombe | 61 min |
| Jul 28, 5:56 PM EDT | Special Weather Statement | RAH | Sampson | 64 min |
| Jul 28, 6:00 PM EDT | Special Weather Statement | RAH | Cumberland | 60 min |
| Jul 28, 6:22 PM EDT | Special Weather Statement | RAH | Wilson | 68 min |
| Jul 28, 6:50 PM EDT | Special Weather Statement | RAH | Wake | 55 min |
| Jul 28, 7:28 PM EDT | Areal Flood Advisory | RAH | Wake | 3 hr |
| Jul 28, 7:29 PM EDT | Areal Flood Advisory | RAH | Edgecombe, Johnston, Wilson | 3 hr |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2020Every severe thunderstorm warning in 2020
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.