Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 147, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jul 15, 2017, 7:56 PM EDT for Richmond County, Georgia. It was in force for 30 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 15, 2017, 7:56 PM EDT (23:56 UTC)
- Expired
- Jul 15, 2017, 8:26 PM EDT
- In force
- 30 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Richmond County, GA
The radar
The Columbia radar (KCAE), 100 km from the middle of the area, began a volume at 23:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 8:09 PM EDT | TSTM WND DMG | 4 W Augusta, GA | RICHMOND COUNTY DISPATCH REPORTED TREES DOWN ON POWERLINES. TIME ESTIMATED BY RADAR. |
| Jul 15, 8:10 PM EDT | TSTM WND GST 51 | 6 Sse Augusta, GA | WIND GUST AT AGS ASOS OF 51 MPH AT 810 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.9 hours before the alert went out and 194 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
- 692 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1147 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
762
WUUS52 KCAE 152356
SVRCAE
GAC245-160045-
/O.NEW.KCAE.SV.W.0147.170715T2356Z-170716T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
756 PM EDT SAT JUL 15 2017
The National Weather Service in Columbia has issued a
* Severe Thunderstorm Warning for...
Central Richmond County in east central Georgia...
* Until 845 PM EDT
* At 755 PM EDT, a likely severe thunderstorm was located
near Fort Gordon, moving east at 15 mph. The storm
likely contained wind gusts of 40 to 60 mph.
HAZARD...40 to 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Augusta and Fort Gordon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3339 8224 3354 8202 3351 8199 3349 8199
3347 8194 3344 8191 3343 8193 3341 8191
3341 8195 3338 8193 3337 8193 3337 8195
3335 8194
TIME...MOT...LOC 2355Z 277DEG 13KT 3344 8209
HAIL...<.75IN
WIND...60MPH
$$2 follow-up statements
796
WWUS52 KCAE 160018
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
818 PM EDT SAT JUL 15 2017
GAC245-160045-
/O.CON.KCAE.SV.W.0147.000000T0000Z-170716T0045Z/
Richmond GA-
818 PM EDT SAT JUL 15 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR EAST CENTRAL RICHMOND COUNTY...
At 816 PM EDT, a likely severe thunderstorm was located in the
Augusta area, moving east at 15 mph. The storm may contain wind
gusts of 40 to 60 mph.
HAZARD...40 to 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3344 8192 3343 8193 3341 8191 3341 8195
3338 8193 3337 8193 3337 8195 3335 8194
3337 8206 3345 8199
TIME...MOT...LOC 0016Z 277DEG 13KT 3343 8200
HAIL...<.75IN
WIND...60MPH
$$936
WWUS52 KCAE 160026
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
826 PM EDT SAT JUL 15 2017
GAC245-160035-
/O.CAN.KCAE.SV.W.0147.000000T0000Z-170716T0045Z/
Richmond GA-
826 PM EDT SAT JUL 15 2017
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL RICHMOND COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has weakened
and the threat of damaging wind has diminished. Lingering heavy
rain may bring localized flooding. Do not drive on flooded roads.
LAT...LON 3344 8192 3343 8193 3341 8191 3341 8195
3338 8193 3337 8193 3337 8195 3335 8194
3337 8206 3345 8199
TIME...MOT...LOC 0017Z 277DEG 13KT 3343 8196
$$The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 6:19 PM EDT | Severe Thunderstorm Warning | CAE | Burke, Richmond | 45 min |
| Jul 15, 7:10 PM EDT | Special Weather Statement | CAE | Burke | 35 min |
| Jul 15, 7:50 PM EDT | Areal Flood Advisory | CAE | Burke, Richmond | 115 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.