Alert archive / Florida / Mesoscale Discussions in 2014

Mesoscale Discussion 192

March 16, 2014Houston County, Alabama; 8 counties in Florida; 8 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 16, 2014, 10:27 AM CDT for Houston County, Alabama; 8 counties in Florida; 8 counties in Georgia. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Mar 16, 2014, 10:27 AM CDT (15:27 UTC)
Expired: Mar 16, 2014, 12:00 PM CDT
In force: 93 min
Issued by: the Storm Prediction Center

Counties Houston County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Jackson County, FL, Leon County, FL, Liberty County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Decatur County, GA, Early County, GA, Grady County, GA, Miller County, GA, Mitchell County, GA, Seminole County, GA

The radar

The Eglin Afb radar (KEVX), 63 km from the middle of the area, began a volume at 15:27 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.5 hours before the alert went out and 98 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 891 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 423 m²/s²
0-3 km storm-relative helicity: 431 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 16, 4:20 AM CDT	Mesoscale Discussion	SPC	Mobile, Washington	115 min
Mar 16, 4:51 AM CDT	Tornado Watch	SPC	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	7 hr
Mar 16, 6:31 AM CDT	Mesoscale Discussion	SPC	Baldwin, Clarke, Escambia, Mobile, Monroe, Washington and 1 more	89 min
Mar 16, 7:51 AM CDT	Mesoscale Discussion	SPC	Coffee, Geneva, Houston	84 min
Mar 16, 8:59 AM CDT	Tornado Watch	SPC	Barbour, Coffee, Dale, Geneva, Henry, Houston and 1 more	8 hr
Mar 16, 1:02 PM CDT	Mesoscale Discussion	SPC	Hamilton	118 min
Mar 16, 2:55 PM CDT	Mesoscale Discussion	SPC	Lafayette, Taylor, Wakulla	95 min

Nearby

Mesoscale Discussions in Florida, 2014 Mesoscale Discussions in Georgia, 2014 Mesoscale Discussions in Alabama, 2014 Every mesoscale discussion in 2014

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.