Alert archive / South Carolina / Special Weather Statements in 2018
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Jun 27, 2018, 10:47 PM EDT for Berkeley County, Dorchester County, South Carolina. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2018, 10:47 PM EDT (02:47 UTC)
- Expired
- Jun 27, 2018, 11:30 PM EDT
- In force
- 43 min
- Issued by
- NWS Charleston, SC
Counties Berkeley County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 99 km from the middle of the area, began a volume at 02:47 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
Jacksonville, FL (KJAX), launched 00:00Z, 2.8 hours before the alert went out and 323 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
- 2247 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jun 27, 7:41 PM EDT, 3 hours 6 minutes earlier.
Area forecast discussion, Jun 27, 7:41 PM EDT, 3 hours 6 minutes before
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</html>Hazardous weather outlook, Jun 27, 9:42 AM EDT, 13 hours 5 minutes before
Hazardous Weather Outlook National Weather Service Charleston SC 942 AM EDT Wed Jun 27 2018 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-281345- Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long- Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 942 AM EDT Wed Jun 27 2018 ...ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING... This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...Today and Tonight. Severe Thunderstorms: Scattered showers and thunderstorms will develop across the region this afternoon and linger into the evening hours. A few of these thunderstorms could become severe with damaging winds, marginally severe hail and frequent cloud to ground lightning. Locally heavy rainfall capable of producing minor flooding of low lying and poor drainage areas could also occur. The risk for severe thunderstorms will be the greatest between 1 pm and 8 pm. Residents and visitors should remain weather aware throughout the day. Be prepared to take action should threatening weather approach or if a warning is issued for your area. Stay tuned to NOAA Weather Radio All Hazards, TV or your local news source for the latest information from the National Weather Service. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Excessive Heat: The combination of temperatures and humidity could lead to heat indices reaching 105 degrees or higher across the entire area Thursday through Saturday. Thus, Heat Advisories will be possible each day. NOTE: Our local Heat Advisory criteria changes to 110 degrees beginning Sunday July 1. .SPOTTER INFORMATION STATEMENT... Please relay any reports of hazardous weather including, but not limited to large hail, damaging winds and flooding to the National Weather Service in Charleston at 1-888-383-2024. AMZ374-281345- Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM- 942 AM EDT Wed Jun 27 2018 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ330-350-352-354-281345- 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- 942 AM EDT Wed Jun 27 2018 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and Tonight. Strong Thunderstorms: Isolated to scattered showers and thunderstorms could impact the coastal waters this afternoon and evening. A few of these thunderstorms will be capable of producing wind gusts in excess of 35 kt, frequent cloud to water lightning and heavy rainfall producing visibilities of 1 NM or less. Mariners are urged to stay weather aware and be prepared to take action should threatening weather approach or if a Special Marine Warning is issued for your locations. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Please relay any reports of hazardous weather including, but not limited to large hail, damaging winds and flooding to the National Weather Service in Charleston at 1-888-383-2024.
In the hours before
Local storm report, Jun 27, 6:19 PM EDT, 4 hours 28 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 9:17 PM EDT | Special Weather Statement | CHS | Allendale | 43 min |
| Jun 27, 9:26 PM EDT | Special Weather Statement | CHS | Berkeley | 49 min |
| Jun 27, 10:05 PM EDT | Special Weather Statement | CHS | Allendale, Dorchester, Hampton | 40 min |
| Jun 27, 10:17 PM EDT | Special Weather Statement | CHS | Berkeley | 43 min |
| Jun 27, 11:28 PM EDT | Special Weather Statement | CHS | Beaufort, Charleston | 47 min |
| Jun 27, 11:55 PM EDT | Areal Flood Advisory | CHS | Charleston, Colleton, Dorchester | 65 min |
| Jun 28, 2:35 PM EDT | Special Weather Statement | CHS | Bulloch | 25 min |
| Jun 28, 4:37 PM EDT | Special Weather Statement | CHS | McIntosh | 8 min |
Nearby
Special Weather Statements in South Carolina, 2018Every special weather statement in 2018
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.