Alert archive / Florida / Mesoscale Discussions in 2005
Mesoscale Discussion 732
The Storm Prediction Center issued this mesoscale discussion at May 4, 2005, 6:30 AM EDT for 22 counties in Florida. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 4, 2005, 6:30 AM EDT (10:30 UTC)
- Expired
- May 4, 2005, 9:00 AM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Alachua County, FL, Bradford County, FL, Brevard County, FL, Citrus County, FL, Clay County, FL, Flagler County, FL, Hardee County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Lake County, FL, Manatee County, FL, Marion County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Polk County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Sumter County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 10:32 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
Tampa Bay, FL (KTBW), launched 00:00Z, 10.5 hours before the alert went out and 119 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
- 350 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 8:50 AM EDT | Severe Thunderstorm Watch | SPC | Brevard, Charlotte, Citrus, DeSoto, Flagler, Glades and 22 more | 7 hr |
| May 4, 11:45 AM EDT | Mesoscale Discussion | SPC | Brevard, Charlotte, Citrus, DeSoto, Flagler, Glades and 19 more | 2 hr |
| May 4, 12:11 PM EDT | Mesoscale Discussion | SPC | Broward, Collier, Hendry, Miami-Dade, Monroe, Palm Beach | 2 hr |
| May 4, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Brevard, Broward, Charlotte, Citrus, Collier, DeSoto and 27 more | 7 hr |
| May 4, 4:24 PM EDT | Mesoscale Discussion | SPC | Brevard, Broward, Collier, Glades, Hendry, Indian River and 8 more | 2 hr |
| May 4, 6:54 PM EDT | Mesoscale Discussion | SPC | Broward, Collier, Hendry, Miami-Dade, Monroe, Palm Beach | 66 min |
Nearby
Mesoscale Discussions in Florida, 2005Every mesoscale discussion in 2005
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.