Alert archive / Georgia / Mesoscale Discussions in 2005
Mesoscale Discussion 521
The Storm Prediction Center issued this mesoscale discussion at Apr 7, 2005, 5:52 PM EDT for 98 counties in Georgia. It was in force for 23 min.
The area
The outline as issued.
The facts
- Issued
- Apr 7, 2005, 5:52 PM EDT (21:52 UTC)
- Expired
- Apr 7, 2005, 6:15 PM EDT
- In force
- 23 min
- Issued by
- the Storm Prediction Center
All 98 counties
Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Barrow County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Butts County, GA, Calhoun County, GA, Carroll County, GA, Chattahoochee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Clinch County, GA, Cobb County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Fayette County, GA, Forsyth County, GA, Fulton County, GA, Grady County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jeff Davis County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Rockdale County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Treutlen County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.9 hours before the alert went out and 99 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 673 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 421 m²/s²
- 0-3 km storm-relative helicity
- 514 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 072152 SWOMCD SPC MCD 072152 GAZ000-FLZ000-ALZ000-072215- MESOSCALE DISCUSSION 0521 NWS STORM PREDICTION CENTER NORMAN OK 0452 PM CDT THU APR 07 2005 AREAS AFFECTED...MUCH OF GA CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 072152Z - 072215Z NEW WW MAY BE REQUIRED SOON FOR PORTIONS OF GA. MID LEVEL DRY INTRUSION EAST OF CLOSED UPPER LOW...WHICH IS CURRENTLY LOCATED OVER NERN MS/WRN TN...HAS ALLOWED STRONG SURFACE HEATING /TEMPERATURES IN THE MID-UPPER 70S/ ACROSS MUCH OF WRN GA WITHIN MOIST AXIS. MODERATE INSTABILITY EXISTS ALONG THIS AXIS WITH STRONG DEEP LAYER SHEAR FROM SERN AL INTO MUCH OF CENTRAL/SRN GA SUPPORTIVE OF ORGANIZED STORMS. COOLER MID LEVEL TEMPERATURES WITH THE UPPER LOW SPREADING EWD ATOP THIS REGION SHOULD COMPENSATE FOR THE LOSS OF DAY TIME HEATING. THUS...MAINTAINING SUFFICIENT INSTABILITY FOR SEVERE STORMS WITH HAIL AND DAMAGING WINDS. FARTHER NWWD ACROSS NWRN GA/NERN AL...THE SEVERE THREAT WILL BE LESS SINCE DEEP LAYER SHEAR IS WEAKER DUE TO CLOSER PROXIMITY TO THE CLOSED UPPER LOW. ..PETERS.. 04/07/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...JAX...FFC...TAE...BMX... 34168474 34388394 33808295 32258242 30918244 30738357 30698485 31278515 33508515
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 8:00 PM EDT | Severe Thunderstorm Watch | SPC | Early, Seminole | 4 hr |
| Apr 6, 11:36 PM EDT | Mesoscale Discussion | SPC | Clay, Early, Seminole | 54 min |
| Apr 7, 12:50 AM EDT | Mesoscale Discussion | SPC | Carroll, Chattahoochee, Chattooga, Coweta, Floyd, Haralson and 6 more | 55 min |
| Apr 7, 11:25 AM EDT | Severe Thunderstorm Watch | SPC | Camden, Charlton, Glynn, McIntosh | 8 hr |
| Apr 7, 12:03 PM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Clayton and 27 more | 117 min |
| Apr 7, 1:00 PM EDT | Mesoscale Discussion | SPC | Camden, Charlton, Glynn | 2 hr |
| Apr 7, 4:18 PM EDT | Mesoscale Discussion | SPC | Camden, Charlton, Glynn | 87 min |
Nearby
Mesoscale Discussions in Georgia, 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.