Alert archive / South Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 81, NWS Charleston, SC

July 5, 2019Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 5, 2019, 12:21 PM EDT for Berkeley County, South Carolina. It was in force for 54 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 5, 2019, 12:21 PM EDT (16:21 UTC)
Expired
Jul 5, 2019, 1:15 PM EDT
In force
54 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 16:29 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

Charleston AFB, SC (KCHS), launched 12:00Z, 4.4 hours before the alert went out and 33 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, Charleston AFB, SC at 12:00Z on 2019-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2022 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, Charleston AFB, SC at 12:00Z on 2019-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
2022 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
26 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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 6:39 PM EDT, 17 hours 42 minutes earlier.

Area forecast discussion, Jul 4, 6:39 PM EDT, 17 hours 42 minutes before
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Hazardous weather outlook, Jul 4, 4:11 PM EDT, 20 hours 10 minutes before
Hazardous Weather Outlook
National Weather Service Charleston SC
411 PM EDT Thu Jul 4 2019

GAZ117-119-139-141-SCZ051-052015-
Coastal Bryan-Coastal Chatham-Coastal Liberty-Coastal McIntosh-
Coastal Jasper-
411 PM EDT Thu Jul 4 2019

This Hazardous Weather Outlook is for southeast Georgia and
southeast South Carolina.

.DAY ONE...Tonight.

Severe Thunderstorms: Scattered to numerous thunderstorms will
persist into this evening. An isolated severe thunderstorm will be
possible, with the primary threat being damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Coastal Flooding: Minor coastal flooding is possible during the
Friday evening high tide. A Coastal Flood Advisory may be needed.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

SCZ048>050-052015-
Beaufort-Coastal Colleton-Charleston-
411 PM EDT Thu Jul 4 2019

...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
MIDNIGHT EDT TONIGHT...

This Hazardous Weather Outlook is for southeast South Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Coastal Flood Advisory.

Severe Thunderstorms: Scattered to numerous thunderstorms will
persist into this evening. An isolated severe thunderstorm will be
possible, with the primary threat being damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Coastal Flooding: Minor coastal flooding is possible during the
Friday evening high tide. A Coastal Flood Advisory may be needed.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

GAZ087-088-099>101-114>116-118-137-138-140-SCZ040-042>045-047-052-
052015-
Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans-
Inland Bryan-Inland Chatham-Long-Inland Liberty-Inland McIntosh-
Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley-
Inland Jasper-Tidal Berkeley-
411 PM EDT Thu Jul 4 2019

This Hazardous Weather Outlook is for southeast Georgia and
southeast South Carolina.

.DAY ONE...Tonight.

Severe Thunderstorms: Scattered to numerous thunderstorms will
persist into this evening. An isolated severe thunderstorm will be
possible, with the primary threat being damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

AMZ330-350-352-354-374-052015-
Charleston Harbor-
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
411 PM EDT Thu Jul 4 2019

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 9:29 PM EDTSpecial Marine WarningCHS2 hr
Jul 4, 11:27 PM EDTSpecial Marine WarningCHS2 hr
Jul 5, 9:42 AM EDTSpecial Weather StatementCHSBerkeley33 min
Jul 5, 9:49 AM EDTAreal Flood AdvisoryCHSBerkeley86 min
Jul 5, 11:40 AM EDTSpecial Marine WarningCHS50 min
Jul 5, 12:15 PM EDTSpecial Weather StatementCHSBerkeley30 min
Jul 5, 12:17 PM EDTSpecial Weather StatementCHSBerkeley28 min
Jul 5, 12:53 PM EDTSpecial Weather StatementCHSDorchester37 min
Jul 5, 2:03 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston, Colleton, Dorchester87 min
Jul 5, 3:04 PM EDTAreal Flood AdvisoryCHSCharleston, Colleton, Dorchester86 min
Jul 5, 3:56 PM EDTAreal Flood AdvisoryCHSCharleston64 min
Jul 5, 4:07 PM EDTAreal Flood AdvisoryCHSAllendale53 min
Jul 5, 4:28 PM EDTSpecial Weather StatementCHSAllendale32 min
Jul 5, 4:38 PM EDTSpecial Marine WarningCHS2 hr
Jul 5, 4:58 PM EDTSpecial Weather StatementCHSJasper32 min
Jul 5, 6:59 PM EDTCoastal Flood AdvisoryCHS5 hr
Jul 5, 7:21 PM EDTSpecial Marine WarningCHS114 min
Jul 5, 7:55 PM EDTAreal Flood AdvisoryCHSBeaufort65 min
Jul 4, 10:01 PM EDTSpecial Weather StatementCHSChatham29 min
Jul 5, 6:19 PM EDTSpecial Weather StatementCHSEffingham26 min
Jul 5, 7:38 PM EDTAreal Flood AdvisoryCHSChatham52 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2019Every severe thunderstorm warning in 2019

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.