Alert archive / Georgia / Special Weather Statements in 2012
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 4, 2012, 3:11 PM EDT for Polk County, Georgia. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2012, 3:11 PM EDT (19:11 UTC)
- Expired
- Aug 4, 2012, 4:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Atlanta, GA
County Polk County, GA
The radar
The Atlanta radar (KFFC), 100 km from the middle of the area, began a volume at 19:14 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.2 hours before the alert went out and 103 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
- 975 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
464
WWUS82 KFFC 041911
SPSFFC
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
311 PM EDT SAT AUG 4 2012
GAZ030-042000-
311 PM EDT SAT AUG 4 2012
...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN POLK COUNTY UNTIL
400 PM EDT...
AT 310 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER CEDARTOWN...MOVING SOUTHEAST AT 10 MPH.
RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
POLK COUNTY...INCLUDING AREAS AROUND ETNA...ESOM HILL...CEDARTOWN AND
FISH CREEK. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.
&&
LAT...LON 3408 8541 3408 8526 3410 8525 3410 8517
3408 8516 3409 8513 3406 8508 3390 8523
3390 8537 3392 8540 3406 8543
TIME...MOT...LOC 1911Z 308DEG 7KT 3405 8532
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:17 PM EDT | Special Weather Statement | FFC | Greene | 43 min |
| Aug 3, 8:32 PM EDT | Special Weather Statement | FFC | Henry | 28 min |
| Aug 3, 8:46 PM EDT | Special Weather Statement | FFC | Hall | 44 min |
| Aug 3, 8:55 PM EDT | Special Weather Statement | FFC | Pike | 50 min |
| Aug 3, 9:10 PM EDT | Special Weather Statement | FFC | Johnson | 50 min |
| Aug 3, 9:31 PM EDT | Special Weather Statement | FFC | Spalding | 44 min |
| Aug 3, 9:49 PM EDT | Special Weather Statement | FFC | Hall | 41 min |
| Aug 3, 10:05 PM EDT | Special Weather Statement | FFC | Jefferson | 40 min |
| Aug 4, 12:34 AM EDT | Special Weather Statement | FFC | Putnam | 26 min |
| Aug 4, 1:00 AM EDT | Special Weather Statement | FFC | Hancock, Putnam | 30 min |
| Aug 4, 2:43 PM EDT | Special Weather Statement | FFC | Floyd | 62 min |
| Aug 4, 3:57 PM EDT | Special Weather Statement | FFC | Polk | 33 min |
| Aug 4, 5:02 PM EDT | Special Weather Statement | FFC | Haralson, Polk | 43 min |
| Aug 4, 7:18 PM EDT | Special Weather Statement | FFC | Barrow, Jackson | 27 min |
| Aug 4, 7:27 PM EDT | Special Weather Statement | FFC | Douglas | 33 min |
Nearby
Special Weather Statements in Georgia, 2012Every special weather statement in 2012
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.