Alert archive / Florida / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 15, NWS Melbourne, FL

March 16, 2025Lake County, Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Mar 16, 2025, 8:19 PM EDT for Lake County, Orange County, Florida. It was in force for 13 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 16, 2025, 8:19 PM EDT (00:19 UTC)
Expired: Mar 16, 2025, 8:32 PM EDT
In force: 13 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Lake County, FL, Orange County, FL

The radar

The Melbourne radar (KMLB), 103 km from the middle of the area, began a volume at 00:19 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 0.3 hours before the alert went out and 101 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: 571 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1086 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

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 Melbourne, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 16, 7:40 PM EDT, 39 minutes earlier.

Area forecast discussion, Mar 16, 7:40 PM EDT, 39 minutes before

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Hazardous weather outlook, Mar 16, 4:47 AM EDT, 15 hours 32 minutes before

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In the hours before

Special weather statement, Mar 16, 5:17 PM EDT, 3 hours 2 minutes before

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Local storm report, Mar 16, 5:48 PM EDT, 2 hours 31 minutes before

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Special weather statement, Mar 16, 6:18 PM EDT, 2 hours 1 minute before

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Local storm report, Mar 16, 6:41 PM EDT, 1 hour 38 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 2:05 AM EDT	Red Flag Warning	MLB	Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more	18 hr
Mar 17, 4:05 AM EDT	Special Weather Statement	MLB	Martin	40 min
Mar 17, 4:57 AM EDT	Special Weather Statement	MLB	Martin	33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2025 Every severe thunderstorm warning 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.