Alert archive / Florida / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 216, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Oct 14, 2014, 7:15 PM EDT for Flagler County, Saint Johns County, Florida. It was in force for 30 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
- Oct 14, 2014, 7:15 PM EDT (23:15 UTC)
- Expired
- Oct 14, 2014, 7:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Flagler County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 94 km from the middle of the area, began a volume at 23:17 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
Jacksonville, FL (KJAX), launched 12:00Z, 11.3 hours before the alert went out and 96 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
- 130 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 81 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 Oct 14, 1:40 PM EDT, 5 hours 35 minutes earlier.
Area forecast discussion, Oct 14, 1:40 PM EDT, 5 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
140 PM EDT TUE OCT 14 2014
.MARINE...
UPDATED TO SMALL CRAFT INNER BASED ON RECENT OBSERVATIONS. THE
INCREASED PRESSURE GRADIENT ASSOCIATED WITH APPROACHING FRONT IS
EXPECTED TO KEEP WINDS ELEVATED.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 62 75 55 75 / 80 10 0 0
SSI 67 77 60 74 / 80 20 0 0
JAX 67 79 57 77 / 80 30 0 0
SGJ 69 80 60 77 / 80 80 10 0
GNV 66 78 57 78 / 80 30 0 0
OCF 68 80 58 79 / 80 70 0 0
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY UNTIL 10 AM EDT WEDNESDAY FOR ALTAMAHA
SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM-ST AUGUSTINE
TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-ST AUGUSTINE TO
FLAGLER BEACH FL OUT 20 NM.
&&
STRUBLEHazardous weather outlook, Oct 14, 7:14 PM EDT, 1 minute before
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Special weather statement, Oct 14, 5:11 PM EDT, 2 hours 4 minutes before
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</html>Special weather statement, Oct 14, 5:24 PM EDT, 1 hour 51 minutes before
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</html>Special weather statement, Oct 14, 5:55 PM EDT, 1 hour 20 minutes before
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</html>Special weather statement, Oct 14, 6:29 PM EDT, 46 minutes before
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</html>Special weather statement, Oct 14, 6:49 PM EDT, 26 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 |
|---|---|---|---|---|
| Oct 14, 1:00 PM EDT | Special Weather Statement | JAX | Hamilton, Suwannee | 30 min |
| Oct 14, 1:31 PM EDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 29 min |
| Oct 14, 1:54 PM EDT | Special Weather Statement | JAX | Columbia | 36 min |
| Oct 14, 2:21 PM EDT | Special Weather Statement | JAX | Alachua, Baker, Bradford, Columbia, Gilchrist, Union | 39 min |
| Oct 14, 2:38 PM EDT | Special Weather Statement | JAX | Clay, Putnam | 52 min |
| Oct 14, 2:42 PM EDT | Special Weather Statement | JAX | Nassau | 33 min |
| Oct 14, 2:50 PM EDT | Severe Thunderstorm Warning | JAX | Baker | 28 min |
| Oct 14, 3:05 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 25 min |
| Oct 14, 3:13 PM EDT | Special Marine Warning | JAX | 2 hr | |
| Oct 14, 3:19 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Nassau | 41 min |
| Oct 14, 3:28 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 47 min |
| Oct 14, 3:59 PM EDT | Special Weather Statement | JAX | Duval | 46 min |
| Oct 14, 5:11 PM EDT | Special Weather Statement | JAX | Marion | 49 min |
| Oct 14, 5:14 PM EDT | Special Marine Warning | JAX | 91 min | |
| Oct 14, 5:19 PM EDT | Areal Flood Advisory | JAX | Flagler, Saint Johns | 86 min |
| Oct 14, 5:24 PM EDT | Special Weather Statement | JAX | Saint Johns | 51 min |
| Oct 14, 5:55 PM EDT | Special Weather Statement | JAX | Marion | 35 min |
| Oct 14, 6:12 PM EDT | Special Weather Statement | JAX | Saint Johns | 48 min |
| Oct 14, 6:29 PM EDT | Special Weather Statement | JAX | Marion | 46 min |
| Oct 14, 6:42 PM EDT | Special Marine Warning | JAX | 63 min | |
| Oct 14, 6:49 PM EDT | Special Weather Statement | JAX | Flagler | 41 min |
| Oct 14, 7:07 PM EDT | Special Marine Warning | JAX | 83 min | |
| Oct 14, 7:45 PM EDT | Areal Flood Advisory | JAX | Flagler, Saint Johns | 90 min |
| Oct 14, 1:14 PM EDT | Special Weather Statement | JAX | Lanier | 46 min |
| Oct 14, 1:52 PM EDT | Severe Thunderstorm Warning | JAX | Clinch, Echols, Ware | 38 min |
| Oct 14, 2:00 PM EDT | Special Weather Statement | JAX | Bacon | 45 min |
| Oct 14, 2:11 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Pierce, Ware | 49 min |
| Oct 14, 2:42 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Ware | 48 min |
| Oct 14, 2:44 PM EDT | Special Weather Statement | JAX | Wayne | 31 min |
| Oct 14, 3:02 PM EDT | Special Weather Statement | JAX | Brantley, Charlton, Pierce, Wayne | 43 min |
| Oct 14, 3:09 PM EDT | Severe Thunderstorm Warning | JAX | Wayne | 21 min |
| Oct 14, 3:26 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Brantley, Camden, Charlton, Glynn, Pierce and 1 more | 64 min |
| Oct 14, 4:34 PM EDT | Special Weather Statement | JAX | Glynn | 26 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2014Every severe thunderstorm warning in 2014
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.