Alert archive / Florida / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 96, NWS Jacksonville, FL

July 3, 2019Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 3, 2019, 6:54 PM EDT for Suwannee County, Florida. It was in force for 36 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: Jul 3, 2019, 6:54 PM EDT (22:54 UTC)
Expired: Jul 3, 2019, 7:30 PM EDT
In force: 36 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 77 km from the middle of the area, began a volume at 22:57 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, 10.9 hours before the alert went out and 128 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1727 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1292 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jul 3, 6:27 PM EDT, 27 minutes earlier.

Area forecast discussion, Jul 3, 6:27 PM EDT, 27 minutes before

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In the hours before

Special weather statement, Jul 3, 5:53 PM EDT, 1 hour 1 minute before

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Local storm report, Jul 3, 6:09 PM EDT, 45 minutes before

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Special weather statement, Jul 3, 6:10 PM EDT, 44 minutes before

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Special weather statement, Jul 3, 6:25 PM EDT, 29 minutes before

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Local storm report, Jul 3, 6:29 PM EDT, 25 minutes before

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Special weather statement, Jul 3, 6:39 PM EDT, 15 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
Jul 3, 3:02 PM EDT	Special Weather Statement	JAX	Baker	43 min
Jul 3, 3:06 PM EDT	Special Weather Statement	JAX	Clay	24 min
Jul 3, 3:19 PM EDT	Severe Thunderstorm Warning	JAX	Duval	41 min
Jul 3, 3:34 PM EDT	Severe Thunderstorm Warning	JAX	Clay	41 min
Jul 3, 3:52 PM EDT	Severe Thunderstorm Warning	JAX	Duval	38 min
Jul 3, 3:58 PM EDT	Heat Advisory	JAX	Alachua, Baker, Bradford, Duval, Flagler, Gilchrist and 4 more	25 hr
Jul 3, 4:04 PM EDT	Areal Flood Advisory	JAX	Duval	86 min
Jul 3, 4:06 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	39 min
Jul 3, 4:25 PM EDT	Severe Thunderstorm Warning	JAX	Duval	28 min
Jul 3, 4:34 PM EDT	Special Weather Statement	JAX	Nassau	41 min
Jul 3, 4:37 PM EDT	Special Weather Statement	JAX	Putnam	23 min
Jul 3, 4:59 PM EDT	Special Weather Statement	JAX	Putnam	46 min
Jul 3, 5:02 PM EDT	Special Weather Statement	JAX	Saint Johns	28 min
Jul 3, 5:16 PM EDT	Special Weather Statement	JAX	Columbia	29 min
Jul 3, 5:26 PM EDT	Special Weather Statement	JAX	Alachua	34 min
Jul 3, 5:37 PM EDT	Special Weather Statement	JAX	Hamilton	38 min
Jul 3, 5:51 PM EDT	Special Weather Statement	JAX	Columbia	39 min
Jul 3, 5:53 PM EDT	Special Weather Statement	JAX	Gilchrist	37 min
Jul 3, 5:56 PM EDT	Areal Flood Advisory	JAX	Columbia, Hamilton	2 hr
Jul 3, 5:58 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Columbia	47 min
Jul 3, 6:10 PM EDT	Special Weather Statement	JAX	Suwannee	35 min
Jul 3, 6:25 PM EDT	Special Weather Statement	JAX	Union	35 min
Jul 3, 6:39 PM EDT	Special Weather Statement	JAX	Suwannee	36 min
Jul 3, 6:44 PM EDT	Areal Flood Advisory	JAX	Suwannee	91 min
Jul 3, 7:05 PM EDT	Special Weather Statement	JAX	Gilchrist	40 min
Jul 3, 7:25 PM EDT	Special Weather Statement	JAX	Marion	35 min
Jul 3, 7:30 PM EDT	Special Weather Statement	JAX	Suwannee	30 min
Jul 2, 8:27 PM EDT	Special Weather Statement	JAX	Charlton	33 min
Jul 2, 9:24 PM EDT	Special Weather Statement	JAX	Charlton	36 min
Jul 3, 2:06 PM EDT	Special Weather Statement	JAX	Ware	24 min
Jul 3, 2:25 PM EDT	Special Weather Statement	JAX	Brantley	35 min
Jul 3, 2:31 PM EDT	Special Weather Statement	JAX	Ware	44 min
Jul 3, 2:48 PM EDT	Special Weather Statement	JAX	Camden	27 min
Jul 3, 2:56 PM EDT	Special Weather Statement	JAX	Coffee	34 min
Jul 3, 3:20 PM EDT	Special Weather Statement	JAX	Brantley	40 min
Jul 3, 3:47 PM EDT	Special Weather Statement	JAX	Coffee	43 min
Jul 3, 3:49 PM EDT	Special Weather Statement	JAX	Camden	41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.