Alert archive / Florida / Mesoscale Discussions in 2025

Mesoscale Discussion 142

March 4, 20255 counties in Alabama; 10 counties in Florida; 9 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2025, 10:28 PM CST for 5 counties in Alabama; 10 counties in Florida; 9 counties in Georgia. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued: Mar 4, 2025, 10:28 PM CST (04:28 UTC)
Expired: Mar 4, 2025, 11:30 PM CST
In force: 62 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...tornado watch likely
Chance of a watch: 80%

All 24 counties

Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Clay 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), 19 km from the middle of the area, began a volume at 04:28 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.5 hours before the alert went out and 320 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: 1761 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 597 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 4, 6:44 PM CST	Mesoscale Discussion	SPC	Bibb, Blount, Calhoun, Clay, Coosa, Cullman and 15 more	91 min
Mar 4, 8:21 PM CST	Mesoscale Discussion	SPC	Autauga, Baldwin, Bibb, Blount, Chilton, Conecuh and 10 more	54 min
Mar 4, 9:26 PM CST	Severe Thunderstorm Watch	SPC	Barbour, Bullock, Calhoun, Chambers, Cherokee, Clay and 14 more	6 hr
Mar 4, 11:05 PM CST	Tornado Watch	SPC	Coffee, Dale, Geneva, Henry, Houston	6 hr
Mar 4, 11:36 PM CST	Mesoscale Discussion	SPC	Russell	114 min
Mar 5, 1:35 AM CST	Mesoscale Discussion	SPC	Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 4 more	3 hr
Mar 5, 2:19 AM CST	Severe Thunderstorm Watch	SPC	Baker, Columbia, Duval, Hamilton, Jefferson, Lafayette and 4 more	8 hr
Mar 5, 8:41 AM CST	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Brevard, Citrus, Clay and 17 more	94 min

Nearby

Mesoscale Discussions in Florida, 2025 Mesoscale Discussions in Georgia, 2025 Mesoscale Discussions in Alabama, 2025 Every mesoscale discussion in 2025

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.