Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 167, NWS Jacksonville, FL

August 19, 2016Putnam County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 19, 2016, 6:26 PM EDT for Putnam County, Florida. It was in force for 34 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
Aug 19, 2016, 6:26 PM EDT (22:26 UTC)
Expired
Aug 19, 2016, 7:00 PM EDT
In force
34 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Putnam County, FL

The radar

The Jacksonville radar (KJAX), 97 km from the middle of the area, began a volume at 22:29 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, 10.4 hours before the alert went out and 99 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2016-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1241 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2016-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1241 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
17 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 Aug 19, 3:45 PM EDT, 2 hours 41 minutes earlier.

Area forecast discussion, Aug 19, 3:45 PM EDT, 2 hours 41 minutes before
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Hazardous weather outlook, Aug 19, 5:49 AM EDT, 12 hours 37 minutes before
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In the hours before

Special weather statement, Aug 19, 4:32 PM EDT, 1 hour 54 minutes before
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Special weather statement, Aug 19, 4:38 PM EDT, 1 hour 48 minutes before
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Special weather statement, Aug 19, 4:46 PM EDT, 1 hour 40 minutes before
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Special weather statement, Aug 19, 5:13 PM EDT, 1 hour 13 minutes before
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Special weather statement, Aug 19, 5:13 PM EDT, 1 hour 13 minutes before
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Special weather statement, Aug 19, 5:38 PM EDT, 48 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 8:03 PM EDTSpecial Weather StatementJAXGilchrist42 min
Aug 18, 8:11 PM EDTSpecial Weather StatementJAXGilchrist49 min
Aug 18, 8:55 PM EDTSpecial Weather StatementJAXGilchrist35 min
Aug 19, 4:13 PM EDTSpecial Weather StatementJAXDuval32 min
Aug 19, 4:31 PM EDTAreal Flood AdvisoryJAXDuval89 min
Aug 19, 4:32 PM EDTSpecial Weather StatementJAXCitrus43 min
Aug 19, 4:39 PM EDTAreal Flood AdvisoryJAXMarion2 hr
Aug 19, 4:46 PM EDTSpecial Weather StatementJAXDuval29 min
Aug 19, 5:13 PM EDTSpecial Weather StatementJAXMarion32 min
Aug 19, 5:38 PM EDTSpecial Weather StatementJAXClay37 min
Aug 19, 6:40 PM EDTSpecial Weather StatementJAXClay35 min
Aug 19, 7:20 PM EDTSpecial Weather StatementJAXClay25 min
Aug 18, 8:00 PM EDTSpecial Weather StatementJAXBerrien30 min
Aug 18, 8:40 PM EDTAreal Flood AdvisoryJAXAppling, Jeff Davis95 min
Aug 18, 9:18 PM EDTSpecial Weather StatementJAXWayne42 min
Aug 18, 9:25 PM EDTAreal Flood AdvisoryJAXCoffee, Jeff Davis95 min
Aug 18, 9:55 PM EDTAreal Flood AdvisoryJAXWayne95 min
Aug 18, 9:58 PM EDTSpecial Weather StatementJAXAtkinson47 min
Aug 18, 10:02 PM EDTSpecial Weather StatementJAXWayne28 min
Aug 18, 10:30 PM EDTSpecial Weather StatementJAXBacon, Coffee45 min
Aug 18, 10:32 PM EDTAreal Flood AdvisoryJAXAtkinson, Coffee118 min
Aug 18, 11:00 PM EDTSpecial Weather StatementJAXAtkinson45 min
Aug 18, 11:26 PM EDTAreal Flood AdvisoryJAXAtkinson, Bacon, Coffee, Ware94 min
Aug 19, 4:11 PM EDTSpecial Weather StatementJAXPierce49 min
Aug 19, 4:38 PM EDTSpecial Weather StatementJAXGlynn52 min
Aug 19, 6:46 PM EDTSpecial Weather StatementJAXCamden29 min
Aug 19, 7:39 PM EDTSpecial Weather StatementJAXGlynn36 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning in 2016

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.