Alert archive / Florida / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 7, NWS Jacksonville, FL

March 11, 2022Putnam County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Mar 11, 2022, 3:42 PM EST for Putnam County, Florida. It was in force for 33 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: Mar 11, 2022, 3:42 PM EST (20:42 UTC)
Expired: Mar 11, 2022, 4:15 PM EST
In force: 33 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Putnam County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.7 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-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: 96 J/kg
Mixed-layer CIN: -212 J/kg
Mixed-layer LCL: 606 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 156 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 Mar 11, 3:27 PM EST, 15 minutes earlier.

Area forecast discussion, Mar 11, 3:27 PM EST, 15 minutes before

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In the hours before

Special weather statement, Mar 11, 2:36 PM EST, 1 hour 6 minutes before

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Special weather statement, Mar 11, 2:56 PM EST, 46 minutes before

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Special weather statement, Mar 11, 3:19 PM EST, 23 minutes before

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Special weather statement, Mar 11, 3:29 PM EST, 13 minutes before

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Local storm report, Mar 11, 3:36 PM EST, 6 minutes before

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Special weather statement, Mar 11, 3:38 PM EST, 4 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
Mar 11, 2:51 AM EST	Flood Watch	JAX	Alachua, Baker, Bradford, Clay, Duval, Gilchrist and 3 more	31 hr
Mar 11, 3:10 AM EST	Gale Watch	JAX		11 hr
Mar 11, 3:10 AM EST	Small Craft Advisory	JAX		23 hr
Mar 11, 7:27 AM EST	Special Weather Statement	JAX	Duval	33 min
Mar 11, 7:47 AM EST	Special Weather Statement	JAX	Baker	28 min
Mar 11, 10:00 AM EST	Special Weather Statement	JAX	Baker	30 min
Mar 11, 11:30 AM EST	Special Weather Statement	JAX	Clay	30 min
Mar 11, 12:30 PM EST	Special Weather Statement	JAX	Putnam	30 min
Mar 11, 12:39 PM EST	Special Weather Statement	JAX	Saint Johns	21 min
Mar 11, 12:58 PM EST	Special Weather Statement	JAX	Putnam	32 min
Mar 11, 1:20 PM EST	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	40 min
Mar 11, 1:22 PM EST	Special Marine Warning	JAX		83 min
Mar 11, 2:01 PM EST	Special Weather Statement	JAX	Saint Johns	29 min
Mar 11, 2:05 PM EST	Special Weather Statement	JAX	Saint Johns	25 min
Mar 11, 2:14 PM EST	Freeze Watch	JAX	Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more	23 hr
Mar 11, 2:14 PM EST	Wind Advisory	JAX	Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more	29 hr
Mar 11, 2:19 PM EST	Severe Thunderstorm Warning	JAX	Flagler, Saint Johns	26 min
Mar 11, 2:25 PM EST	Special Weather Statement	JAX	Clay	35 min
Mar 11, 2:31 PM EST	Gale Warning	JAX		37 hr
Mar 11, 2:32 PM EST	Severe Thunderstorm Warning	JAX	Alachua, Bradford	28 min
Mar 11, 2:36 PM EST	Special Weather Statement	JAX	Marion	24 min
Mar 11, 2:56 PM EST	Special Weather Statement	JAX	Marion	19 min
Mar 11, 3:06 PM EST	Severe Thunderstorm Warning	JAX	Marion	24 min
Mar 11, 3:14 PM EST	Special Marine Warning	JAX		31 min
Mar 11, 3:19 PM EST	Special Weather Statement	JAX	Putnam	26 min
Mar 11, 3:29 PM EST	Special Weather Statement	JAX	Putnam	16 min
Mar 11, 3:38 PM EST	Special Weather Statement	JAX	Alachua	52 min
Mar 11, 3:55 PM EST	Special Weather Statement	JAX	Flagler	35 min
Mar 11, 4:05 PM EST	Special Weather Statement	JAX	Flagler	25 min
Mar 11, 5:08 PM EST	Special Marine Warning	JAX		26 min
Mar 11, 5:29 PM EST	Special Weather Statement	JAX	Alachua	91 min
Mar 11, 5:44 PM EST	Areal Flood Warning	JAX	Alachua	3 hr
Mar 11, 6:12 PM EST	River Flood Warning	JAX	Alachua, Union	10 days

Nearby

Severe Thunderstorm Warnings in Florida, 2022 Every severe thunderstorm warning in 2022

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.