Alert archive / Georgia / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 21, NWS Jacksonville, FL

March 15, 2001Atkinson County, Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Mar 15, 2001, 8:57 AM EST for Atkinson County, Coffee County, Georgia. It was in force for 63 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
Mar 15, 2001, 8:57 AM EST (13:57 UTC)
Expired
Mar 15, 2001, 10:00 AM EST
In force
63 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Atkinson County, GA, Coffee County, GA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 15, 7:00 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 2.0 hours before the alert went out and 151 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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2001-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 477 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2001-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 362 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
477 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
362 m²/s²
0-3 km storm-relative helicity
419 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KJAX 151402
SVRJAX

GAC003-069-151500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
857 AM EST THU MAR 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ATKINSON COUNTY IN SOUTHEAST GEORGIA  
  SOUTHERN COFFEE COUNTY IN SOUTHEAST GEORGIA

* UNTIL 1000 AM EST

* AT 857 AM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH DAMAGING WINDS 8 MILES SOUTHWEST OF
  WILLACOOCHEE...OR ABOUT 8 MILES NORTHEAST OF NASHVILLE...MOVING
  NORTHEAST AT 55 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 1000 AM EST...
  WILLACOOCHEE...
  DOUGLAS...
  NICHOL~LS AND WEST GREEN...

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.


$$

ZIBURA

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 15, 8:02 AM ESTSevere Thunderstorm WarningJAXAtkinson58 min
Mar 15, 8:10 AM ESTSevere Thunderstorm WarningJAXCoffee65 min
Mar 15, 9:18 AM ESTTornado WarningJAXBacon27 min
Mar 15, 9:21 AM ESTTornado WarningJAXAppling29 min
Mar 15, 9:38 AM ESTSevere Thunderstorm WarningJAXWayne37 min
Mar 15, 9:58 AM ESTSevere Thunderstorm WarningJAXAtkinson, Clinch47 min
Mar 15, 10:08 AM ESTSevere Thunderstorm WarningJAXWare42 min
Mar 15, 10:51 AM ESTSevere Thunderstorm WarningJAXWare24 min
Mar 15, 11:02 AM ESTSevere Thunderstorm WarningJAXPierce43 min
Mar 15, 11:15 AM ESTTornado WarningJAXPierce30 min
Mar 15, 2:28 PM ESTSevere Thunderstorm WarningJAXCamden, Glynn47 min
Mar 15, 3:45 PM ESTSevere Thunderstorm WarningJAXCharlton, Clinch, Ware45 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2001Every severe thunderstorm warning in 2001

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.