Alert archive / Georgia / Special Weather Statements in 2017
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Oct 23, 2017, 5:05 PM EDT for Bryan County, Georgia. It was in force for 25 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
- Oct 23, 2017, 5:05 PM EDT (21:05 UTC)
- Expired
- Oct 23, 2017, 5:30 PM EDT
- In force
- 25 min
- Issued by
- NWS Charleston, SC
County Bryan County, GA
The radar
The Charleston,SC radar (KCLX), 75 km from the middle of the area, began a volume at 21:08 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, 9.1 hours before the alert went out and 168 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
- 252 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
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 Oct 23, 4:11 PM EDT, 54 minutes earlier.
Area forecast discussion, Oct 23, 4:11 PM EDT, 54 minutes before
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</html>Hazardous weather outlook, Oct 23, 2:08 PM EDT, 2 hours 57 minutes before
Hazardous Weather Outlook National Weather Service Charleston SC 208 PM EDT Mon Oct 23 2017 AMZ350-352-354-374-GAZ099>101-114>116-118-137-138-140-SCZ047-241815- 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 extending from 20 to 60 nm-Candler-Bulloch-Effingham-Tattnall-Evans-Inland Bryan- Inland Chatham-Long-Inland Liberty-Inland McIntosh-Inland Jasper- 208 PM EDT Mon Oct 23 2017 This Hazardous Weather Outlook is for Atlantic coastal waters, southeast Georgia and southeast South Carolina. .DAY ONE...This Afternoon and Tonight. Severe Thunderstorms: Showers and thunderstorms could impact the region this afternoon into late tonight as a cold front pushes across the region. An isolated severe thunderstorm with damaging winds or even a tornado or waterspout will be possible, mainly from mid- afternoon through early evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ330-GAZ087-088-SCZ040-042>045-052-241815- Charleston Harbor-Jenkins-Screven-Allendale-Hampton-Inland Colleton- Dorchester-Inland Berkeley-Tidal Berkeley- 208 PM EDT Mon Oct 23 2017 ...TORNADO WATCH 508 IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for Atlantic coastal waters, southeast Georgia and southeast South Carolina. .DAY ONE...This Afternoon and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. GAZ117-119-139-141-SCZ048-051-241815- Coastal Bryan-Coastal Chatham-Coastal Liberty-Coastal McIntosh- Beaufort-Coastal Jasper- 208 PM EDT Mon Oct 23 2017 ...MODERATE RISK FOR RIP CURRENTS IN EFFECT UNTIL 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...This Afternoon and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Moderate Risk for Rip Currents. Severe Thunderstorms: Showers and thunderstorms could impact the region this afternoon into late tonight as a cold front pushes across the region. An isolated severe thunderstorm with damaging winds or even a tornado will be possible, mainly from mid-afternoon through early evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. SCZ049-050-241815- Coastal Colleton-Charleston- 208 PM EDT Mon Oct 23 2017 ...MODERATE RISK FOR RIP CURRENTS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...TORNADO WATCH 508 IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for southeast South Carolina. .DAY ONE...This Afternoon and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Moderate Risk for Rip Currents. Tornado Watch. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time.
In the hours before
Special weather statement, Oct 23, 2:44 PM EDT, 2 hours 21 minutes before
Special Weather Statement
National Weather Service Charleston SC
244 PM EDT MON OCT 23 2017
SCZ043-044-231915-
Inland Colleton-Dorchester-
244 PM EDT MON OCT 23 2017
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF COLLETON AND
DORCHESTER COUNTIES...
At 244 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Givhans Ferry State Park, moving north at 35
mph.
HAZARD...strong winds 45 to 55 mph.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects.
Some locations in the path of this storm include...
Givhans Ferry State Park, Dorchester, Ridgeville and Givhans.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch is in effect. Thunderstorms can produce tornadoes
suddenly, sometimes with little or no warning. Be alert for rapidly
changing weather conditions and be ready to act quickly if severe
weather is observed or a warning is issued.
&&
LAT...LON 3296 8034 3300 8046 3315 8043 3309 8024
TIME...MOT...LOC 1844Z 198DEG 32KT 3303 8039Special weather statement, Oct 23, 2:57 PM EDT, 2 hours 8 minutes before
Special Weather Statement
National Weather Service Charleston SC
257 PM EDT MON OCT 23 2017
SCZ044-045-231930-
Inland Berkeley-Dorchester-
257 PM EDT MON OCT 23 2017
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BERKELEY AND
DORCHESTER COUNTIES...
At 257 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Ridgeville, or near Givhans Ferry State
Park, moving northeast at 25 mph.
HAZARD...strong winds 45 to 55 mph.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects.
Some locations in the path of this storm include...
Ridgeville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch is in effect. Thunderstorms can produce tornadoes
suddenly, sometimes with little or no warning. Be alert for rapidly
changing weather conditions and be ready to act quickly if severe
weather is observed or a warning is issued.
&&
LAT...LON 3321 8012 3305 8032 3308 8038 3327 8032
3327 8029
TIME...MOT...LOC 1857Z 212DEG 24KT 3308 8034Special weather statement, Oct 23, 3:09 PM EDT, 1 hour 56 minutes before
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</html>Special weather statement, Oct 23, 4:47 PM EDT, 18 minutes before
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</html>Special weather statement, Oct 23, 5:05 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Charleston SC
505 PM EDT MON OCT 23 2017
GAZ116-138-232130-
Inland Liberty-Inland Bryan-
505 PM EDT MON OCT 23 2017
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BRYAN AND LIBERTY
COUNTIES...
At 505 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm 7 miles south of Pembroke, moving northeast at 35
mph.
HAZARD...strong winds 45 to 55 mph.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects.
Some locations in the path of this storm include...
Pembroke, Lanier, Blitchton and Ellabell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.
&&
LAT...LON 3220 8160 3224 8146 3224 8144 3211 8140
3210 8141 3191 8162 3203 8178
TIME...MOT...LOC 2105Z 221DEG 31KT 3203 8164The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 2:26 PM EDT | Special Marine Warning | CHS | 64 min | |
| Oct 23, 2:44 PM EDT | Special Weather Statement | CHS | Dorchester | 31 min |
| Oct 23, 2:57 PM EDT | Special Weather Statement | CHS | Dorchester | 33 min |
| Oct 23, 3:05 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Dorchester | 24 min |
| Oct 23, 3:09 PM EDT | Special Weather Statement | CHS | Allendale | 36 min |
| Oct 23, 5:32 PM EDT | Special Weather Statement | CHS | Allendale | 28 min |
| Oct 23, 5:56 PM EDT | Special Weather Statement | CHS | Hampton | 34 min |
| Oct 23, 6:40 PM EDT | Special Weather Statement | CHS | Jasper | 35 min |
| Oct 23, 6:50 PM EDT | Special Marine Warning | CHS | 55 min | |
| Oct 23, 7:45 PM EDT | Special Marine Warning | CHS | 60 min | |
| Oct 23, 7:58 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Colleton, Dorchester | 62 min |
| Oct 23, 4:47 PM EDT | Special Weather Statement | CHS | Liberty, McIntosh | 28 min |
| Oct 23, 4:53 PM EDT | Special Weather Statement | CHS | Tattnall | 37 min |
| Oct 23, 5:07 PM EDT | Special Weather Statement | CHS | Screven | 23 min |
Nearby
Special Weather Statements in Georgia, 2017Every special weather statement in 2017
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.