Alert archive / Georgia / Flash Flood Watches in 2016
Flash Flood Watch 1, NWS Jacksonville, FL
NWS Jacksonville, FL issued this flash flood watch at Aug 31, 2016, 11:35 AM EDT for 4 counties in Florida; 10 counties in Georgia. It took effect at Sep 1, 2016, 8:00 AM EDT. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Aug 31, 2016, 11:35 AM EDT (15:35 UTC)
- In effect from
- Sep 1, 2016, 8:00 AM EDT
- Expired
- Sep 2, 2016, 11:26 AM EDT
- In force
- 27 hr
- Issued by
- NWS Jacksonville, FL
- Flood severity
- None
Counties Baker County, FL, Gilchrist County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA
The radar
The Moody AFB radar (KVAX), 48 km from the middle of the area, began a volume at 15:34 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, 3.6 hours before the alert went out and 183 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
- 28 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Aug 31, 9:19 AM EDT, 2 hours 16 minutes earlier.
Area forecast discussion, Aug 31, 9:19 AM EDT, 2 hours 16 minutes before
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</html>Hazardous weather outlook, Aug 31, 6:11 AM EDT, 5 hours 24 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 |
|---|---|---|---|---|
| Aug 30, 8:35 PM EDT | Tropical Storm Watch | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 34 hr |
| Aug 31, 11:35 AM EDT | Flood Watch | JAX | Bradford, Duval, Nassau | 48 hr |
| Aug 31, 3:52 PM EDT | Special Weather Statement | JAX | Glynn | 23 min |
| Aug 31, 4:27 PM EDT | Special Weather Statement | JAX | Brantley | 33 min |
Nearby
Flash Flood Watches in Georgia, 2016Flash Flood Watches in Florida, 2016Every flash flood watch in 2016
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.