Alert archive / Florida / Mesoscale Discussions in 2022

Mesoscale Discussion 239

March 11, 20228 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Mar 11, 2022, 1:44 PM EST for 8 counties in Florida. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Mar 11, 2022, 1:44 PM EST (18:44 UTC)
Expired: Mar 11, 2022, 4:15 PM EST
In force: 3 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Alachua County, FL, Flagler County, FL, Levy County, FL, Marion County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Volusia County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.7 hours before the alert went out and 148 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

The text

As transmitted.

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Nearby

Mesoscale Discussions in Florida, 2022 Every mesoscale discussion 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.