Alert archive / Florida / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 1, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 13, 2023, 5:38 AM EDT for Volusia County, Florida. It was in force for 37 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 13, 2023, 5:38 AM EDT (09:38 UTC)
- Expired
- Mar 13, 2023, 6:15 AM EDT
- In force
- 37 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.88 in
- Wind
- 60.0 mph
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 09:41 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
Jacksonville, FL (KJAX), launched 00:00Z, 9.6 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 106 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 13, 4:46 AM EDT, 52 minutes earlier.
Area forecast discussion, Mar 13, 4:46 AM EDT, 52 minutes before
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Special weather statement, Mar 13, 4:32 AM EDT, 1 hour 6 minutes before
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</html>The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 3:45 AM EDT | Small Craft Advisory | MLB | 3 days | |
| Mar 13, 4:32 AM EDT | Special Weather Statement | MLB | Flagler | 43 min |
| Mar 13, 4:55 AM EDT | Special Weather Statement | MLB | Flagler | 35 min |
| Mar 13, 5:01 AM EDT | Special Marine Warning | MLB | 89 min | |
| Mar 13, 5:30 AM EDT | Special Weather Statement | MLB | Volusia | 45 min |
| Mar 13, 5:58 AM EDT | Special Marine Warning | MLB | 62 min | |
| Mar 13, 6:14 AM EDT | Special Weather Statement | MLB | Volusia | 31 min |
| Mar 13, 6:38 AM EDT | Special Weather Statement | MLB | Osceola | 37 min |
| Mar 13, 7:16 AM EDT | Special Weather Statement | MLB | Osceola | 44 min |
| Mar 13, 11:10 AM EDT | Special Weather Statement | MLB | Volusia | 35 min |
| Mar 13, 11:32 AM EDT | Special Marine Warning | MLB | 116 min | |
| Mar 13, 11:43 AM EDT | Special Weather Statement | MLB | Lake, Volusia | 47 min |
| Mar 13, 11:51 AM EDT | Severe Thunderstorm Warning | MLB | Volusia | 39 min |
| Mar 13, 12:07 PM EDT | Special Marine Warning | MLB | 3 hr | |
| Mar 13, 12:16 PM EDT | Special Weather Statement | MLB | Seminole | 44 min |
| Mar 13, 12:17 PM EDT | Special Weather Statement | MLB | Brevard | 43 min |
| Mar 13, 12:40 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 20 min |
| Mar 13, 2:19 PM EDT | Special Marine Warning | MLB | 3 hr | |
| Mar 13, 2:21 PM EDT | Special Weather Statement | MLB | Brevard | 24 min |
| Mar 13, 2:35 PM EDT | Special Weather Statement | MLB | Osceola | 40 min |
| Mar 13, 2:49 PM EDT | Special Weather Statement | MLB | Indian River | 41 min |
| Mar 13, 3:50 PM EDT | Special Weather Statement | MLB | Osceola | 40 min |
| Mar 13, 4:11 PM EDT | Special Weather Statement | MLB | Brevard | 34 min |
| Mar 13, 4:14 PM EDT | Special Marine Warning | MLB | 76 min | |
| Mar 13, 4:18 PM EDT | Special Marine Warning | MLB | 117 min | |
| Mar 13, 5:02 PM EDT | Special Weather Statement | MLB | Martin | 43 min |
| Mar 13, 6:53 PM EDT | Special Weather Statement | MLB | Indian River | 37 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2023Every severe thunderstorm warning in 2023
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.