Alert archive / Florida / Mesoscale Discussions in 2024
Mesoscale Discussion 2136
The Storm Prediction Center issued this mesoscale discussion at Oct 9, 2024, 10:19 AM EDT for 4 counties in Florida. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Oct 9, 2024, 10:19 AM EDT (14:19 UTC)
- Expired
- Oct 9, 2024, 11:45 AM EDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 690
Counties Broward County, FL, Collier County, FL, Hendry County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 88 km from the middle of the area, began a volume at 14:23 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, 2.3 hours before the alert went out and 80 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
- 1797 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 9.2
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 12:31 AM EDT | Mesoscale Discussion | SPC | Monroe | 89 min |
| Oct 9, 5:45 AM EDT | Mesoscale Discussion | SPC | Broward, Charlotte, Collier, Glades, Hendry, Lee and 4 more | 4 hr |
| Oct 9, 8:20 AM EDT | Tornado Watch | SPC | Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 24 more | 13 hr |
| Oct 9, 11:12 AM EDT | Mesoscale Discussion | SPC | Charlotte, Lee | 93 min |
| Oct 9, 11:50 AM EDT | Mesoscale Discussion | SPC | Glades, Hendry, Highlands, Indian River, Martin, Okeechobee and 3 more | 115 min |
| Oct 9, 12:35 PM EDT | Mesoscale Discussion | SPC | Broward, Hendry, Palm Beach | 85 min |
| Oct 9, 1:13 PM EDT | Mesoscale Discussion | SPC | Charlotte, Collier, DeSoto, Lee, Manatee, Sarasota | 92 min |
| Oct 9, 1:51 PM EDT | Mesoscale Discussion | SPC | Brevard, Indian River, Martin, Okeechobee, Orange, Osceola and 2 more | 84 min |
| Oct 9, 2:49 PM EDT | Mesoscale Discussion | SPC | Brevard, Broward, Indian River, Martin, Okeechobee, Osceola and 3 more | 86 min |
| Oct 9, 4:15 PM EDT | Mesoscale Discussion | SPC | Brevard, Broward, Indian River, Martin, Okeechobee, Osceola and 2 more | 90 min |
| Oct 9, 6:22 PM EDT | Mesoscale Discussion | SPC | Brevard, Glades, Hardee, Hendry, Hernando, Highlands and 14 more | 113 min |
Nearby
Mesoscale Discussions in Florida, 2024Every mesoscale discussion in 2024
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.