Alert archive / Georgia / Freeze Watches in 2017
Freeze Watch 1, NWS Atlanta, GA
NWS Atlanta, GA issued this freeze watch at Oct 28, 2017, 3:51 PM EDT for 18 counties in Georgia. It took effect at Oct 30, 2017, 2:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 28, 2017, 3:51 PM EDT (19:51 UTC)
- In effect from
- Oct 30, 2017, 2:00 AM EDT
- Expired
- Oct 29, 2017, 3:05 PM EDT
- In force
- Issued by
- NWS Atlanta, GA
Counties Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 137 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 255 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
- 438 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 300 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 Oct 28, 1:50 PM EDT, 2 hours 1 minute earlier.
Area forecast discussion, Oct 28, 1:50 PM EDT, 2 hours 1 minute before
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</html>Hazardous weather outlook, Oct 28, 3:46 PM EDT, 5 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.