Alert archive / Georgia / Mesoscale Discussions in 2019

Mesoscale Discussion 154

March 3, 20194 states

The Storm Prediction Center issued this mesoscale discussion at Mar 3, 2019, 5:15 PM CST for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 3, 2019, 5:15 PM CST (23:15 UTC)
Expired
Mar 3, 2019, 7:15 PM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 91 counties

Houston County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Washington County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien 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, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Pierce County, GA, Pulaski County, GA, Screven County, GA, Seminole County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC, Orangeburg County, SC, Williamsburg County, SC

The radar

The Moody AFB radar (KVAX), 78 km from the middle of the area, began a volume at 23:16 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

Jacksonville, FL (KJAX), launched 12:00Z, 11.3 hours before the alert went out and 161 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 2019-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 684 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, Jacksonville, FL at 12:00Z on 2019-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
684 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 3, 9:13 AM CSTMesoscale DiscussionSPCChoctaw, Sumter62 min
Mar 3, 9:59 AM CSTMesoscale DiscussionSPCAutauga, Barbour, Bullock, Butler, Chambers, Chilton and 23 more2 hr
Mar 3, 11:03 AM CSTTornado WatchSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 25 more7 hr
Mar 3, 11:24 AM CSTTornado WatchSPCCoffee, Dale, Geneva, Henry, Houston10 hr
Mar 3, 12:02 PM CSTMesoscale DiscussionSPCDale, Geneva, Henry, Houston58 min
Mar 3, 12:28 PM CSTMesoscale DiscussionSPCLee, Russell32 min
Mar 3, 1:00 PM CSTMesoscale DiscussionSPCMacon, Montgomery30 min
Mar 3, 1:20 PM CSTMesoscale DiscussionSPCBaldwin, Bullock, Butler, Clarke, Coffee, Conecuh and 13 more115 min
Mar 3, 2:06 PM CSTMesoscale DiscussionSPCLee, Macon, Russell54 min
Mar 3, 3:22 PM CSTMesoscale DiscussionSPCCoffee, Dale, Geneva, Henry, Houston113 min
Mar 3, 2:35 PM CSTTornado WatchSPCHamilton, Suwannee7 hr
Mar 3, 2:19 PM CSTMesoscale DiscussionSPCMuscogee26 min
Mar 3, 2:19 PM CSTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baldwin, Ben Hill, Berrien and 41 more116 min
Mar 3, 2:51 PM CSTMesoscale DiscussionSPCTwiggs, Wilkinson24 min
Mar 3, 3:28 PM CSTMesoscale DiscussionSPCBaldwin, Bibb, Bleckley, Burke, Crawford, Emanuel and 15 more62 min

Nearby

Mesoscale Discussions in Georgia, 2019Mesoscale Discussions in South Carolina, 2019Mesoscale Discussions in Florida, 2019Every mesoscale discussion in 2019

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.