Alert archive / Georgia / Heat Advisories in 2009
Heat Advisory 2, NWS Charleston, SC
NWS Charleston, SC issued this heat advisory at Jun 18, 2009, 4:11 PM EDT for 8 counties in Georgia; 5 counties in South Carolina. It took effect at Jun 19, 2009, 12:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jun 18, 2009, 4:11 PM EDT (20:11 UTC)
- In effect from
- Jun 19, 2009, 12:00 PM EDT
- Expired
- Jun 19, 2009, 7:34 PM EDT
- In force
- 8 hr
- Issued by
- NWS Charleston, SC
Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Long County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 33 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 134 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
- 243 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jun 18, 3:57 PM EDT, 14 minutes earlier.
Area forecast discussion, Jun 18, 3:57 PM EDT, 14 minutes before
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</html>Hazardous weather outlook, Jun 18, 11:12 AM EDT, 4 hours 59 minutes before
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Local storm report, Jun 18, 11:24 AM EDT, 4 hours 47 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 18, 2:35 AM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Jenkins, Screven | 55 min |
| Jun 18, 3:24 AM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Candler, Evans, Jenkins, Tattnall | 66 min |
| Jun 18, 4:01 AM EDT | Severe Thunderstorm Warning | CHS | Bryan, Bulloch, Evans, Liberty, Long, Tattnall | 59 min |
| Jun 18, 5:16 AM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Liberty | 44 min |
| Jun 18, 5:48 AM EDT | Special Marine Warning | CHS | 117 min | |
| Jun 18, 6:35 AM EDT | Special Marine Warning | CHS | 62 min | |
| Jun 18, 6:49 AM EDT | Special Marine Warning | CHS | 116 min | |
| Jun 18, 7:45 AM EDT | Special Marine Warning | CHS | 74 min | |
| Jun 18, 7:29 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Candler, Evans, Tattnall | 61 min |
| Jun 18, 7:36 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Candler, Jenkins, Screven | 69 min |
| Jun 18, 7:46 PM EDT | Severe Thunderstorm Warning | CHS | Screven | 59 min |
| Jun 18, 3:29 AM EDT | Severe Thunderstorm Warning | CHS | Allendale, Colleton, Hampton | 18 min |
| Jun 18, 5:20 AM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Charleston, Colleton, Dorchester, Jasper | 55 min |
| Jun 18, 6:08 AM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Berkeley, Charleston, Colleton, Dorchester | 67 min |
Nearby
Heat Advisories in Georgia, 2009Heat Advisories in South Carolina, 2009Every heat advisory in 2009
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.