Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 14, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Apr 7, 1999, 4:49 PM EDT for Bryan County, Liberty County, Georgia. It was in force for 61 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
- Apr 7, 1999, 4:49 PM EDT (20:49 UTC)
- Expired
- Apr 7, 1999, 5:50 PM EDT
- In force
- 61 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
Counties Bryan County, GA, Liberty County, GA
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 8.8 hours before the alert went out and 159 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
- 5 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Apr 7, 3:30 PM EDT, 1 hour 19 minutes earlier.
Area forecast discussion, Apr 7, 3:30 PM EDT, 1 hour 19 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 330 PM EDT WED APR 7 1999 WIDELY SCATTERED SHOWERS AND THUNDERSTORMS HAVE BEEN MOVING EAST SOUTHEAST ACROSS THE AREA THIS AFTERNOON. THESE SHOULD DIMINISH WITH THE LOSS OF HEATING. HOWEVER APPEARS THAT THERE COULD BE SOME REDEVLOPMENT LATE TONIGHT IN COASTAL SECTIONS OF SOUTH CAROLINA. SO BELIEVE THAT IT WOULD NOT BE A BAD IDEA TO INCLUDE A LOW CHANCE OF PRECIPITATION THROUGHOUT THE NIGHT THERE. ELSEWHERE CAN PROBABLY GO WITHOUT AFTER THE EVENING ACTIVITY DIMINISHES/MOVES ALONG. WILL CONTINUE TO SEE WEAK SHORT WAVES BRUSH BY THE AREA FOR THE NEXT SEVERAL DAYS. THE SURFACE BOUNDARY WILL NEVER MAKE IT. BUT WITH THE ATMOSPHERE REMAINING UNSTABLE WILL PROBABLY SEE WIDELY SCATTERED DIURNAL ACTIVITY FOR THE NEXT FEW DAYS ALTHOUGH WOULD THINK THAT COVERAGE WOULD BE LESS FURTHER SOUTH AND WEST. WINDS HAVE BEEN INCREASING SLIGHTLY OVER THE WATERS DURING THE DAY AND LOOKING AT MODEL FORECASTS THAT TREND SHOULD CONTINUE. AFTER COORDINATION WITH WILMINGTON WILL INCREASE WIND FORECAST FOR TONIGHT. LOOKS LIKE THURSDAY NIGHT WILL BE SIMILAR AND MAY EVEN BE PUSHING SMALL CRAFT ADVISORY CRITERIA BY LATE IN THE THIRD OR IN THE FOURTH PERIOD IF WINDS STRENGTHEN AS FORECAST. PRELIMINARY NUMBERS CHS 64/85 67/84 3212 SAV 63/87 65/86 1111 CHL 65/77 67/75 3212 NBC 65/85 67/84 2212 .CHS... SC...NONE. GA...NONE.
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 4:30 PM EDT | Severe Thunderstorm Warning | CHS | McIntosh | 45 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999
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.