Alert archive / Florida / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 85, NWS Jacksonville, FL

June 23, 2019Saint Johns County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 23, 2019, 9:14 PM EDT for Saint Johns County, Florida. It was in force for 19 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: Jun 23, 2019, 9:14 PM EDT (01:14 UTC)
Expired: Jun 23, 2019, 9:33 PM EDT
In force: 19 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Saint Johns County, FL

The radar

The Jacksonville radar (KJAX), 70 km from the middle of the area, began a volume at 01:15 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.

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 Jun 23, 8:35 PM EDT, 39 minutes earlier.

Area forecast discussion, Jun 23, 8:35 PM EDT, 39 minutes before

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In the hours before

Special weather statement, Jun 23, 8:18 PM EDT, 56 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
818 PM EDT Sun Jun 23 2019

FLZ033-125-133-240045-
Coastal St. Johns FL-Coastal Duval FL-Inland St. Johns FL-
818 PM EDT Sun Jun 23 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL ST. JOHNS AND
SOUTHEASTERN DUVAL COUNTIES UNTIL 845 PM EDT...

* At 818 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over Palm Valley, or near Ponte
  Vedra Beach, moving southeast at 10 mph.

* Wind gusts up to 50 mph possible with this storm.

* Locations impacted include...
  Ponte Vedra Beach, Palm Valley, Sawgrass, Nocatee, Bayard, Durbin
  and Guana River State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

LAT...LON 3005 8152 3010 8153 3011 8151 3014 8154
      3023 8156 3026 8135 3007 8129
TIME...MOT...LOC 0018Z 329DEG 8KT 3018 8137

NELSON

Special weather statement, Jun 23, 8:32 PM EDT, 42 minutes before

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Special weather statement, Jun 23, 8:40 PM EDT, 34 minutes before

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Local storm report, Jun 23, 8:40 PM EDT, 34 minutes before

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Local storm report, Jun 23, 8:43 PM EDT, 31 minutes before

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Special weather statement, Jun 23, 9:09 PM EDT, 5 minutes before

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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 8:16 PM EDT	Special Marine Warning	JAX		44 min
Jun 23, 8:18 PM EDT	Special Weather Statement	JAX	Duval	27 min
Jun 23, 8:32 PM EDT	Special Weather Statement	JAX	Duval	28 min
Jun 23, 8:40 PM EDT	Special Weather Statement	JAX	Saint Johns	35 min
Jun 23, 8:43 PM EDT	Special Marine Warning	JAX		47 min
Jun 23, 8:47 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Saint Johns	28 min
Jun 23, 8:57 PM EDT	Special Marine Warning	JAX		63 min
Jun 23, 9:05 PM EDT	Special Marine Warning	JAX		55 min
Jun 23, 9:09 PM EDT	Special Weather Statement	JAX	Saint Johns	51 min
Jun 23, 9:36 PM EDT	Special Marine Warning	JAX		54 min
Jun 23, 10:11 PM EDT	Special Marine Warning	JAX		64 min
Jun 24, 7:46 PM EDT	Severe Thunderstorm Warning	JAX	Hamilton	29 min
Jun 24, 7:13 PM EDT	Special Weather Statement	JAX	Atkinson	47 min
Jun 24, 7:31 PM EDT	Special Weather Statement	JAX	Echols	44 min
Jun 24, 7:55 PM EDT	Special Weather Statement	JAX	Clinch	35 min

Nearby

Severe Thunderstorm Warnings in Florida, 2019 Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.