Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 105, NWS Raleigh, NC

July 13, 2020Cumberland County, Harnett County, Sampson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 13, 2020, 2:28 PM EDT for Cumberland County, Harnett County, Sampson County, North Carolina. It was in force for 47 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 13, 2020, 2:28 PM EDT (18:28 UTC)
Expired
Jul 13, 2020, 3:15 PM EDT
In force
47 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cumberland County, NC, Harnett County, NC, Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 61 km from the middle of the area, began a volume at 18:30 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, 6.5 hours before the alert went out and 152 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 2020-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 663 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 2020-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
663 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1142 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 13, 1:21 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jul 13, 1:21 PM EDT, 1 hour 7 minutes before
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Hazardous weather outlook, Jul 13, 4:32 AM EDT, 9 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Raleigh NC
432 AM EDT Mon Jul 13 2020

NCZ007>011-025>028-041>043-077-078-088-089-140845-
Person-Granville-Vance-Warren-Halifax-Durham-Franklin-Nash-Edgecombe-
Wake-Johnston-Wilson-Harnett-Wayne-Cumberland-Sampson-
432 AM EDT Mon Jul 13 2020

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Scattered thunderstorms are expected today into the early evening.
Locally heavy rainfall and wind gusts to 40 or 50 mph will be likely
in the strongest storms. Frequent lightning will also pose a hazard.

.DAYS TWO THROUGH SEVEN...Wednesday through Sunday.

Heat index values of 97 to 102 are expected each afternoon through
the forecast period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ073>076-083>086-140845-
Stanly-Montgomery-Moore-Lee-Anson-Richmond-Scotland-Hoke-
432 AM EDT Mon Jul 13 2020

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Widespread hazardous weather is not expected.

.DAYS TWO THROUGH SEVEN...Wednesday through Sunday.

Heat index values of 99 to 102 are expected each afternoon Wednesday
through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ021>024-038>040-140845-
Forsyth-Guilford-Alamance-Orange-Davidson-Randolph-Chatham-
432 AM EDT Mon Jul 13 2020

This Hazardous Weather Outlook is for central North Carolina.

.DAY ONE...Today and tonight.

Widespread hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Heat index values in the upper 90s can be expected each afternoon
Wednesday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 13, 2:02 PM EDT, 26 minutes before
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Special weather statement, Jul 13, 2:25 PM EDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 11:45 PM EDTSpecial Weather StatementRAHForsyth30 min
Jul 12, 11:58 PM EDTSpecial Weather StatementRAHHoke62 min
Jul 13, 1:04 AM EDTSpecial Weather StatementRAHChatham56 min
Jul 13, 1:46 AM EDTSpecial Weather StatementRAHMontgomery, Randolph59 min
Jul 13, 2:02 AM EDTSpecial Weather StatementRAHWake58 min
Jul 13, 2:38 AM EDTSpecial Weather StatementRAHChatham67 min
Jul 13, 3:17 AM EDTSpecial Weather StatementRAHChatham43 min
Jul 13, 3:28 AM EDTSpecial Weather StatementRAHHarnett, Lee47 min
Jul 13, 4:17 AM EDTSpecial Weather StatementRAHHarnett, Johnston, Wake, Wayne, Wilson73 min
Jul 13, 2:02 PM EDTSpecial Weather StatementRAHCumberland, Harnett43 min
Jul 13, 2:25 PM EDTSpecial Weather StatementRAHSampson65 min
Jul 13, 2:35 PM EDTSpecial Weather StatementRAHHalifax55 min
Jul 13, 2:43 PM EDTSpecial Weather StatementRAHAnson, Richmond47 min
Jul 13, 3:07 PM EDTSpecial Weather StatementRAHHoke, Scotland53 min
Jul 13, 3:11 PM EDTSevere Thunderstorm WarningRAHAnson49 min
Jul 13, 3:15 PM EDTSpecial Weather StatementRAHCumberland, Sampson60 min
Jul 13, 3:25 PM EDTSpecial Weather StatementRAHWayne65 min
Jul 13, 3:41 PM EDTSpecial Weather StatementRAHAnson49 min
Jul 13, 3:48 PM EDTFlash Flood Warning Considerable damage threatRAHAnson, Montgomery, Richmond, Stanly2 hr
Jul 13, 3:51 PM EDTAreal Flood AdvisoryRAHScotland3 hr
Jul 13, 4:17 PM EDTSevere Thunderstorm WarningRAHWayne24 min
Jul 13, 5:10 PM EDTSpecial Weather StatementRAHWilson65 min
Jul 13, 6:07 PM EDTAreal Flood AdvisoryRAHFranklin, Johnston, Nash, Wake, Wilson3 hr
Jul 13, 6:32 PM EDTSpecial Weather StatementRAHJohnston, Wilson58 min
Jul 13, 6:44 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Wake46 min
Jul 13, 7:19 PM EDTSevere Thunderstorm WarningRAHChatham, Harnett, Johnston, Lee, Sampson, Wake and 1 more41 min

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.