Alert archive / Georgia / Wind Advisories in 2012
Wind Advisory 3, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Jan 23, 2012, 4:56 AM EST for 8 counties in Georgia. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 23, 2012, 4:56 AM EST (09:56 UTC)
- Expired
- Jan 23, 2012, 10:54 AM EST
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
Counties Catoosa County, GA, Chattooga County, GA, Dade County, GA, Fannin County, GA, Gilmer County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 103 km from the middle of the area, began a volume at 09:58 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 00:00Z, 9.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 462 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 356 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
910 WWUS72 KFFC 230956 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 456 AM EST MON JAN 23 2012 ...WIND GUSTS NEAR 50 MPH IN HIGHER ELEVATIONS... GAZ001>007-011-231700- /O.NEW.KFFC.WI.Y.0003.120123T0956Z-120123T1700Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- 456 AM EST MON JAN 23 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON EST TODAY... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY. * LOCATIONS...MUCH OF NORTHWEST GEORGIA...BUT PRIMARILY AT ELEVATIONS ABOVE 2000 FT. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...THROUGH NOON EST. WINDS SHOULD BEGIN TAPERING OFF LATER THIS MORNING. * IMPACTS...WEAK TREES AND TREE LIMBS MAY BE DOWNED BY THE HIGH WINDS. ISOLATED POWER OUTAGES MAY OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST 20 MPH...OR GUSTS TO 35 MPH OR STRONGER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES TRAVELING ALONG EAST-WEST ORIENTED ROADS. USE EXTRA CAUTION. && $$
1 follow-up statement
460 WWUS72 KFFC 231554 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1054 AM EST MON JAN 23 2012 GAZ001>007-011-231700- /O.CAN.KFFC.WI.Y.0003.000000T0000Z-120123T1700Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- 1054 AM EST MON JAN 23 2012 ...WIND ADVISORY IS CANCELLED... WINDS ACROSS THE AREA HAVE FALLEN BELOW ADVISORY CRITERIA AND THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE WIND ADVISORY THAT WAS IN EFFECT FOR PORTIONS OF NORTHWEST GEORGIA THIS MORNING. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 23, 4:08 AM EST | Special Weather Statement | FFC | Dade | 37 min |
| Jan 23, 6:34 AM EST | Special Weather Statement | FFC | Polk | 41 min |
| Jan 23, 8:04 AM EST | Special Weather Statement | FFC | Haralson, Polk | 41 min |
| Jan 23, 8:29 AM EST | Special Weather Statement | FFC | Heard | 61 min |
| Jan 23, 9:24 AM EST | Flash Flood Warning | FFC | Dade | 6 hr |
| Jan 23, 9:29 AM EST | Special Weather Statement | FFC | Troup | 46 min |
| Jan 23, 9:40 AM EST | Severe Thunderstorm Warning | FFC | Heard, Troup | 50 min |
| Jan 23, 9:46 AM EST | River Flood Warning | FFC | Dade | 19 hr |
| Jan 23, 10:50 AM EST | Special Weather Statement | FFC | Clayton, Fayette, Henry, Spalding | 40 min |
| Jan 23, 11:34 AM EST | Special Weather Statement | FFC | Muscogee | 41 min |
Nearby
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.