Alert archive / Georgia / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 61, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 15, 2020, 8:01 AM EDT for Charlton County, Clinch County, Ware County, Georgia. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2020, 8:01 AM EDT (12:01 UTC)
- Expired
- Apr 15, 2020, 8:30 AM EDT
- In force
- 29 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Charlton County, GA, Clinch County, GA, Ware County, GA
The radar
The Moody AFB radar (KVAX), 55 km from the middle of the area, began a volume at 12:02 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
Charleston AFB, SC (KCHS), launched 12:00Z, 0.0 hours before the alert went out and 318 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
- 1100 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 15, 4:15 AM EDT, 3 hours 46 minutes earlier.
Area forecast discussion, Apr 15, 4:15 AM EDT, 3 hours 46 minutes before
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Special weather statement, Apr 15, 4:05 AM EDT, 3 hours 56 minutes before
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</html>Special weather statement, Apr 15, 5:07 AM EDT, 2 hours 54 minutes before
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</html>Special weather statement, Apr 15, 5:44 AM EDT, 2 hours 17 minutes before
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</html>Special weather statement, Apr 15, 6:10 AM EDT, 1 hour 51 minutes before
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</html>Special weather statement, Apr 15, 7:40 AM EDT, 21 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 |
|---|---|---|---|---|
| Apr 14, 8:32 PM EDT | Special Weather Statement | JAX | Columbia, Suwannee | 43 min |
| Apr 14, 8:50 PM EDT | Special Marine Warning | JAX | 55 min | |
| Apr 14, 9:36 PM EDT | Special Marine Warning | JAX | 23 min | |
| Apr 14, 10:31 PM EDT | Special Marine Warning | JAX | 21 min | |
| Apr 15, 12:26 AM EDT | Special Weather Statement | JAX | Gilchrist | 49 min |
| Apr 15, 2:01 AM EDT | Special Weather Statement | JAX | Suwannee | 44 min |
| Apr 15, 2:09 AM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 36 min |
| Apr 15, 2:36 AM EDT | Tornado Warning | JAX | Columbia, Suwannee | 24 min |
| Apr 15, 2:44 AM EDT | Severe Thunderstorm Warning | JAX | Columbia, Suwannee, Union | 46 min |
| Apr 15, 3:27 AM EDT | Special Weather Statement | JAX | Baker | 48 min |
| Apr 15, 4:05 AM EDT | Special Weather Statement | JAX | Suwannee | 40 min |
| Apr 15, 5:07 AM EDT | Special Weather Statement | JAX | Columbia | 38 min |
| Apr 15, 5:44 AM EDT | Special Weather Statement | JAX | Baker | 31 min |
| Apr 15, 6:10 AM EDT | Special Weather Statement | JAX | Duval | 65 min |
| Apr 15, 7:40 AM EDT | Special Weather Statement | JAX | Duval | 20 min |
| Apr 15, 7:43 AM EDT | Special Marine Warning | JAX | 35 min | |
| Apr 15, 7:43 AM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 12 min |
| Apr 15, 9:16 AM EDT | Special Marine Warning | JAX | 59 min | |
| Apr 15, 10:00 AM EDT | Special Weather Statement | JAX | Baker | 60 min |
| Apr 15, 10:25 AM EDT | Special Weather Statement | JAX | Nassau | 20 min |
| Apr 15, 10:40 AM EDT | Special Weather Statement | JAX | Union | 50 min |
| Apr 15, 10:47 AM EDT | Special Weather Statement | JAX | Duval | 13 min |
| Apr 15, 10:49 AM EDT | Special Marine Warning | JAX | 56 min | |
| Apr 15, 11:52 AM EDT | Special Weather Statement | JAX | Bradford | 53 min |
| Apr 15, 12:11 PM EDT | Special Marine Warning | JAX | 2 hr | |
| Apr 15, 12:16 PM EDT | Special Weather Statement | JAX | Alachua | 44 min |
| Apr 15, 12:28 PM EDT | Special Weather Statement | JAX | Saint Johns | 47 min |
| Apr 15, 12:45 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay, Flagler, Putnam, Saint Johns | 60 min |
| Apr 15, 12:57 PM EDT | Special Weather Statement | JAX | Marion | 48 min |
| Apr 15, 1:42 PM EDT | Special Weather Statement | JAX | Flagler, Marion, Putnam | 48 min |
| Apr 15, 1:49 PM EDT | Small Craft Advisory | JAX | 49 hr | |
| Apr 15, 2:10 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 35 min |
| Apr 15, 2:13 PM EDT | Special Marine Warning | JAX | 62 min | |
| Apr 15, 2:23 PM EDT | Special Weather Statement | JAX | Flagler | 22 min |
| Apr 15, 2:44 PM EDT | Special Weather Statement | JAX | Marion | 46 min |
| Apr 15, 7:51 AM EDT | Special Weather Statement | JAX | Charlton | 39 min |
| Apr 15, 8:23 AM EDT | Special Weather Statement | JAX | Charlton | 37 min |
| Apr 15, 9:02 AM EDT | Special Weather Statement | JAX | Camden | 13 min |
| Apr 15, 9:17 AM EDT | Special Weather Statement | JAX | Camden | 13 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2020Every severe thunderstorm warning in 2020
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.