Alert archive / Georgia / Mesoscale Discussions in 2005

Mesoscale Discussion 1900

July 29, 200531 counties in Florida; 79 counties in Georgia; 16 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jul 29, 2005, 1:58 PM EDT for 31 counties in Florida; 79 counties in Georgia; 16 counties in South Carolina. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Jul 29, 2005, 1:58 PM EDT (17:58 UTC)
Expired
Jul 29, 2005, 3:30 PM EDT
In force
92 min
Issued by
the Storm Prediction Center
All 126 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Collier County, FL, Columbia County, FL, DeSoto County, FL, Duval County, FL, Gadsden County, FL, Gilchrist County, FL, Glades County, FL, Hamilton County, FL, Hardee County, FL, Hendry County, FL, Highlands County, FL, Indian River County, FL, Jefferson County, FL, Lake County, FL, Leon County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Polk County, FL, Putnam County, FL, Seminole County, FL, Sumter County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Calhoun County, GA, Candler County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Grady County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Long County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Richmond County, GA, Schley County, GA, Screven County, GA, Seminole County, GA, Sumter County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Ware County, GA, Washington County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Berkeley County, SC, Calhoun County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Florence County, SC, Hampton County, SC, Jasper County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Jacksonville radar (KJAX), 44 km from the middle of the area, began a volume at 17:57 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.0 hours before the alert went out and 282 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, Cape Canaveral, FL at 12:00Z on 2005-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2911 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2005-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939Sfc1 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
2911 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

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Nearby

Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Florida, 2005Mesoscale Discussions in South Carolina, 2005Every mesoscale discussion in 2005

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.