Alert archive / Florida / Areal Flood Advisories in 2021
Areal Flood Advisory 25, NWS Melbourne, FL
NWS Melbourne, FL issued this areal flood advisory at Jun 25, 2021, 7:25 PM EDT for Osceola County, Florida. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 2021, 7:25 PM EDT (23:25 UTC)
- Expired
- Jun 25, 2021, 8:30 PM EDT
- In force
- 65 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 23:28 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 nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 11.4 hours before the alert went out and 264 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
- 1712 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jun 25, 4:13 PM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, Jun 25, 4:13 PM EDT, 3 hours 12 minutes before
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</html>Hazardous weather outlook, Jun 25, 11:51 AM EDT, 7 hours 34 minutes before
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Local storm report, Jun 25, 3:26 PM EDT, 3 hours 59 minutes before
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</html>Local storm report, Jun 25, 3:50 PM EDT, 3 hours 35 minutes before
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<div class="status" id="status">Temporary Notice</div>
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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 |
|---|---|---|---|---|
| Jun 24, 8:11 PM EDT | Areal Flood Advisory | MLB | Lake, Orange | 94 min |
| Jun 24, 9:06 PM EDT | Areal Flood Warning | MLB | Lake, Orange | 84 min |
| Jun 25, 1:28 PM EDT | Areal Flood Advisory | MLB | Volusia | 3 hr |
Nearby
Areal Flood Advisories in Florida, 2021Every areal flood advisory in 2021
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.