Alert archive / Georgia / Frost Advisories in 2018
Frost Advisory 5, NWS Jacksonville, FL
NWS Jacksonville, FL issued this frost advisory at Mar 8, 2018, 2:27 PM EST for 10 counties in Georgia. It took effect at Mar 9, 2018, 3:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 8, 2018, 2:27 PM EST (19:27 UTC)
- In effect from
- Mar 9, 2018, 3:00 AM EST
- Expired
- Mar 9, 2018, 9:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Jacksonville, FL
Counties Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Camden County, GA, Coffee County, GA, Glynn County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA
The radar
The Moody AFB radar (KVAX), 94 km from the middle of the area, began a volume at 19:33 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.5 hours before the alert went out and 227 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
- 1588 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- -180 m²/s²
- 0-3 km storm-relative helicity
- -106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jacksonville, FL wrote its last area forecast discussion before this frost advisory went out at Mar 8, 9:35 AM EST, 4 hours 52 minutes earlier.
Area forecast discussion, Mar 8, 9:35 AM EST, 4 hours 52 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 8:39 PM EST | Frost Advisory | JAX | Baker, Bradford, Gilchrist, Suwannee, Union | 11 hr |
| Mar 8, 2:15 AM EST | Red Flag Warning | JAX | Baker, Bradford, Duval, Flagler, Gilchrist, Nassau and 2 more | 15 hr |
| Mar 8, 2:28 AM EST | Rip Current Statement | JAX | Duval, Flagler, Nassau | 17 hr |
| Mar 8, 2:27 PM EST | Freeze Warning | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 19 hr |
Nearby
Frost Advisories in Georgia, 2018Frost Advisories in Florida, 2018Every frost advisory in 2018
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.