Alert archive / Georgia / Freeze Watches in 2018
Freeze Watch 2, NWS Atlanta, GA
NWS Atlanta, GA issued this freeze watch at Mar 7, 2018, 12:13 PM EST for 20 counties in Georgia. It took effect at Mar 8, 2018, 3:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 7, 2018, 12:13 PM EST (17:13 UTC)
- In effect from
- Mar 8, 2018, 3:00 AM EST
- Expired
- Mar 7, 2018, 7:47 PM EST
- In force
- Issued by
- NWS Atlanta, GA
Counties Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Douglas County, GA, Floyd County, GA, Gordon County, GA, Haralson County, GA, Heard County, GA, Meriwether County, GA, Murray County, GA, Paulding County, GA, Polk County, GA, Troup County, GA, Walker County, GA, Whitfield County, GA
The radar
The Atlanta radar (KFFC), 88 km from the middle of the area, began a volume at 17:10 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
Birmingham, AL (KBMX), launched 12:00Z, 5.2 hours before the alert went out and 194 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
- 1787 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -66 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Atlanta, GA wrote its last area forecast discussion before this freeze watch went out at Mar 7, 12:06 PM EST, 7 minutes earlier.
Area forecast discussion, Mar 7, 12:06 PM EST, 7 minutes before
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</html>Hazardous weather outlook, Mar 7, 5:23 AM EST, 6 hours 50 minutes before
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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.