Alert archive / Florida / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 63, NWS Jacksonville, FL

April 1, 1999Duval County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 1, 1999, 2:41 PM EST for Duval County, Florida. It was in force for 64 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 1, 1999, 2:41 PM EST (19:41 UTC)
Expired
Apr 1, 1999, 3:45 PM EST
In force
64 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Duval County, FL

The radar

The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 19:41 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 was reported inside it

TimeReportWhereRemark
Apr 1, 3:20 PM ESTThunderstorm WindMandarin, FLLarge trees and power lines were blown down.
Apr 1, 3:25 PM ESTHail 0.88Jacksonville, FLAt 9A and US-17.
Apr 1, 3:30 PM ESTHail 0.75Mandarin, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 1:53 PM ESTSevere Thunderstorm WarningJAXClay32 min
Apr 1, 2:30 PM ESTSevere Thunderstorm WarningJAXClay35 min
Apr 1, 2:49 PM ESTSevere Thunderstorm WarningJAXSaint Johns51 min
Apr 1, 3:03 PM ESTSevere Thunderstorm WarningJAXNassau47 min
Apr 1, 5:45 PM ESTSevere Thunderstorm WarningJAXPutnam, Saint Johns65 min
Apr 1, 2:06 PM ESTSevere Thunderstorm WarningJAXCamden34 min
Apr 1, 2:19 PM ESTSevere Thunderstorm WarningJAXGlynn61 min

Nearby

Severe Thunderstorm Warnings in Florida, 1999Every severe thunderstorm warning in 1999

Sources

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