Alert archive / Georgia / Frost Advisories in 2013
Frost Advisory 2, NWS Atlanta, GA
NWS Atlanta, GA issued this frost advisory at Apr 19, 2013, 3:18 PM EDT for 26 counties in Georgia. It took effect at Apr 20, 2013, 4:00 AM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 19, 2013, 3:18 PM EDT (19:18 UTC)
- In effect from
- Apr 20, 2013, 4:00 AM EDT
- Expired
- Apr 20, 2013, 8:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
All 26 counties
Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Coweta County, GA, Dade County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Heard County, GA, Meriwether County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Whitfield County, GA
The radar
The Atlanta radar (KFFC), 93 km from the middle of the area, began a volume at 19:18 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, 7.3 hours before the alert went out and 94 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
- 292 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
171 WWUS72 KFFC 191918 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 318 PM EDT FRI APR 19 2013 ...PATCHY FROST POSSIBLE EARLY SATURDAY MORNING... .MUCH COLDER AIR WILL CONTINUE TO USHER INTO NORTH AND CENTRAL GEORGIA FROM THE NORTHWEST BEHIND A STRONG COLD FRONT. DECREASING WINDS AND CLEARING SKIES FORECAST EARLY SATURDAY MORNING SHOULD ALLOW FOR TEMPERATURES TO DIP INTO THE MID 30S AND SUPPORT PATCHY FROST DEVELOPMENT. LOCAL VALLEYS AND LOW LYING AREAS WILL HAVE THE BEST CHANCE FOR FROST. GAZ001>009-011>013-019>021-030-031-041>044-052>054-066-067-201200- /O.NEW.KFFC.FR.Y.0002.130420T0800Z-130420T1200Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING- HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-HEARD-COWETA-FAYETTE-TROUP- MERIWETHER- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE... CARROLLTON...DOUGLASVILLE...EAST POINT...NEWNAN...PEACHTREE CITY 318 PM EDT FRI APR 19 2013 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 8 AM EDT SATURDAY. * LOCATIONS...PORTIONS OF NORTH GEORGIA AND WEST CENTRAL GEORGIA. * TEMPERATURES...IN THE MID 30S. * TIMING...4 AM EDT TO 8 AM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
1 follow-up statement
735 WWUS72 KFFC 200722 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 322 AM EDT SAT APR 20 2013 ...PATCHY FROST POSSIBLE EARLY THIS MORNING... .MUCH COLDER AIR WILL CONTINUE TO USHER INTO NORTH AND CENTRAL GEORGIA FROM THE NORTHWEST BEHIND A STRONG COLD FRONT. DECREASING WINDS AND CLEARING SKIES FORECAST EARLY THIS MORNING SHOULD ALLOW FOR TEMPERATURES TO DIP INTO THE MID 30S AND SUPPORT PATCHY FROST DEVELOPMENT. LOCAL VALLEYS AND LOW LYING AREAS WILL HAVE THE BEST CHANCE FOR FROST. GAZ001>009-011>013-019>021-030-031-041>044-052>054-066-067-201200- /O.CON.KFFC.FR.Y.0002.130420T0800Z-130420T1200Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING- HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-HEARD-COWETA-FAYETTE-TROUP- MERIWETHER- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE... CARROLLTON...DOUGLASVILLE...EAST POINT...NEWNAN...PEACHTREE CITY 322 AM EDT SAT APR 20 2013 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * LOCATIONS...PORTIONS OF NORTH GEORGIA AND WEST CENTRAL GEORGIA. * TEMPERATURES...IN THE MIDDLE 30S. * TIMING...4 AM EDT TO 8 AM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 4:33 AM EDT | Special Weather Statement | FFC | Dade, Walker | 42 min |
| Apr 19, 5:19 AM EDT | Special Weather Statement | FFC | Walker | 26 min |
| Apr 19, 5:43 AM EDT | Special Weather Statement | FFC | Chattooga, Walker | 32 min |
| Apr 19, 6:05 AM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Floyd | 40 min |
| Apr 19, 6:14 AM EDT | Special Weather Statement | FFC | Whitfield | 31 min |
| Apr 19, 6:27 AM EDT | Special Weather Statement | FFC | Floyd | 33 min |
| Apr 19, 6:47 AM EDT | Special Weather Statement | FFC | Murray | 28 min |
| Apr 19, 7:22 AM EDT | Special Weather Statement | FFC | Murray | 23 min |
| Apr 19, 11:21 AM EDT | Special Weather Statement | FFC | Chattahoochee, Muscogee | 24 min |
| Apr 19, 11:49 AM EDT | Special Weather Statement | FFC | Talbot | 26 min |
| Apr 19, 12:13 PM EDT | Special Weather Statement | FFC | Upson | 32 min |
| Apr 19, 12:29 PM EDT | Special Weather Statement | FFC | Webster | 31 min |
| Apr 19, 12:40 PM EDT | Special Weather Statement | FFC | Lamar, Monroe | 35 min |
| Apr 19, 1:00 PM EDT | Special Weather Statement | FFC | Sumter | 30 min |
| Apr 19, 1:02 PM EDT | Special Weather Statement | FFC | Morgan, Newton | 28 min |
| Apr 19, 1:10 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Morgan, Newton, Walton | 35 min |
| Apr 19, 1:16 PM EDT | Special Weather Statement | FFC | Bibb, Jasper, Jones | 29 min |
| Apr 19, 1:21 PM EDT | Tornado Warning | FFC | Morgan, Walton | 24 min |
| Apr 19, 1:33 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Greene, Madison, Oconee, Oglethorpe, Wilkes | 42 min |
| Apr 19, 1:36 PM EDT | Severe Thunderstorm Warning | FFC | Houston, Peach, Twiggs | 39 min |
| Apr 19, 2:00 PM EDT | Special Weather Statement | FFC | Baldwin, Twiggs | 30 min |
| Apr 19, 2:24 PM EDT | Special Weather Statement | FFC | Crisp, Pulaski | 36 min |
| Apr 19, 2:31 PM EDT | Special Weather Statement | FFC | Wilkinson | 44 min |
| Apr 19, 2:56 PM EDT | Special Weather Statement | FFC | Washington | 34 min |
| Apr 19, 3:06 PM EDT | Special Weather Statement | FFC | Johnson, Laurens | 24 min |
| Apr 19, 3:22 PM EDT | Special Weather Statement | FFC | Glascock, Jefferson | 38 min |
Nearby
Frost Advisories in Georgia, 2013Every frost advisory in 2013
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.