Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 70, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at May 24, 2017, 9:47 AM EDT for Saint Johns County, Florida. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 24, 2017, 9:47 AM EDT (13:47 UTC)
- Expired
- May 24, 2017, 10:15 AM EDT
- In force
- 28 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 79 km from the middle of the area, began a volume at 13:51 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 24, 6:56 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 1.8 hours before the alert went out and 80 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
- 868 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 9.7
The text
As transmitted.
433
WFUS52 KJAX 241347
TORJAX
FLC109-241415-
/O.NEW.KJAX.TO.W.0070.170524T1347Z-170524T1415Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
947 AM EDT WED MAY 24 2017
The National Weather Service in Jacksonville has issued a
* Tornado Warning for...
Southern St. Johns County in northeastern Florida...
* Until 1015 AM EDT
* At 946 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Federal Point, or near Hastings, moving northeast
at 35 mph. The rotation has weakened slightly...but could quickly
reintensify. A tornado could form at any time.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Saint Augustine Shores around 1010 AM EDT.
Other locations impacted by this tornadic thunderstorm include Elkton
and Bakersville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2974 8153 2976 8153 2977 8154 2986 8159
2995 8143 2977 8130
TIME...MOT...LOC 1346Z 245DEG 30KT 2978 8157
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
WOLF1 follow-up statement
380
WWUS52 KJAX 241400
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
1000 AM EDT WED MAY 24 2017
FLC109-241415-
/O.CON.KJAX.TO.W.0070.000000T0000Z-170524T1415Z/
St. Johns FL-
1000 AM EDT WED MAY 24 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM EDT FOR EAST
CENTRAL ST. JOHNS COUNTY...
At 1000 AM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Saint Augustine South, or 8 miles
northeast of Hastings, moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Saint Augustine Shores around 1010 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Elkton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2977 8150 2984 8151 2990 8141 2981 8133
2979 8131
TIME...MOT...LOC 1400Z 245DEG 30KT 2983 8145
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
WOLFThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:35 PM EDT | Special Weather Statement | JAX | Suwannee | 40 min |
| May 23, 8:39 PM EDT | Special Weather Statement | JAX | Baker, Columbia | 51 min |
| May 23, 8:53 PM EDT | Tornado Warning | JAX | Baker, Duval, Nassau | 20 min |
| May 23, 9:12 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Duval, Nassau | 17 min |
| May 23, 9:18 PM EDT | Special Weather Statement | JAX | Columbia | 42 min |
| May 23, 9:28 PM EDT | Special Weather Statement | JAX | Nassau | 47 min |
| May 23, 9:53 PM EDT | Areal Flood Advisory | JAX | Baker, Columbia, Suwannee | 3 hr |
| May 24, 12:30 AM EDT | Special Weather Statement | JAX | Clay | 45 min |
| May 24, 12:51 AM EDT | Special Weather Statement | JAX | Duval | 39 min |
| May 24, 3:13 AM EDT | Special Weather Statement | JAX | Alachua | 47 min |
| May 24, 3:16 AM EDT | Special Weather Statement | JAX | Clay | 44 min |
| May 24, 3:43 AM EDT | Severe Thunderstorm Warning | JAX | Alachua, Clay, Putnam | 47 min |
| May 24, 4:25 AM EDT | Severe Thunderstorm Warning | JAX | Clay, Putnam, Saint Johns | 50 min |
| May 24, 4:58 AM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 20 min |
| May 24, 4:59 AM EDT | Special Marine Warning | JAX | 61 min | |
| May 24, 5:47 AM EDT | Special Weather Statement | JAX | Putnam | 43 min |
| May 24, 6:14 AM EDT | Special Weather Statement | JAX | Putnam | 46 min |
| May 24, 6:18 AM EDT | Tornado Warning | JAX | Putnam, Saint Johns | 27 min |
| May 24, 6:44 AM EDT | Tornado Warning | JAX | Saint Johns | 31 min |
| May 24, 6:49 AM EDT | Special Marine Warning | JAX | 56 min | |
| May 24, 7:04 AM EDT | Special Weather Statement | JAX | Flagler | 41 min |
| May 24, 7:46 AM EDT | Special Marine Warning | JAX | 89 min | |
| May 24, 8:09 AM EDT | Special Weather Statement | JAX | Saint Johns | 51 min |
| May 24, 8:36 AM EDT | Special Weather Statement | JAX | Putnam | 39 min |
| May 24, 8:56 AM EDT | Areal Flood Advisory | JAX | Putnam | 3 hr |
| May 24, 8:58 AM EDT | Special Weather Statement | JAX | Saint Johns | 47 min |
| May 24, 9:23 AM EDT | Severe Thunderstorm Warning | JAX | Putnam | 37 min |
| May 24, 9:29 AM EDT | Tornado Warning | JAX | Putnam | 31 min |
| May 24, 10:07 AM EDT | Tornado Warning | JAX | Saint Johns | 23 min |
| May 24, 10:09 AM EDT | Special Marine Warning | JAX | 51 min | |
| May 24, 10:39 AM EDT | Special Weather Statement | JAX | Saint Johns | 51 min |
| May 24, 10:47 AM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton, Suwannee | 43 min |
| May 24, 10:49 AM EDT | Special Marine Warning | JAX | 116 min | |
| May 24, 11:37 AM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Saint Johns | 38 min |
| May 24, 12:06 PM EDT | Areal Flood Advisory | JAX | Baker, Duval, Nassau | 114 min |
| May 24, 12:11 PM EDT | Special Weather Statement | JAX | Duval | 49 min |
| May 24, 12:18 PM EDT | Special Weather Statement | JAX | Alachua, Bradford, Union | 42 min |
| May 24, 12:42 PM EDT | Special Marine Warning | JAX | 93 min | |
| May 24, 12:52 PM EDT | Special Weather Statement | JAX | Clay, Duval | 38 min |
| May 24, 1:19 PM EDT | Areal Flood Warning | JAX | Duval, Nassau | 3 hr |
| May 24, 1:19 PM EDT | Special Weather Statement | JAX | Duval, Saint Johns | 26 min |
| May 24, 1:24 PM EDT | Special Marine Warning | JAX | 2 hr | |
| May 24, 1:40 PM EDT | Special Weather Statement | JAX | Alachua, Clay, Flagler, Marion, Putnam, Saint Johns | 65 min |
| May 24, 1:52 PM EDT | Areal Flood Advisory | JAX | Baker, Bradford, Clay, Duval, Saint Johns, Union | 3 hr |
| May 24, 2:44 PM EDT | Special Weather Statement | JAX | Clay, Flagler, Marion, Putnam, Saint Johns | 46 min |
| May 24, 3:25 PM EDT | Special Weather Statement | JAX | Flagler, Putnam, Saint Johns | 35 min |
| May 24, 3:27 PM EDT | Special Marine Warning | JAX | 93 min |
Nearby
Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017
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.