Alert archive / Florida / Mesoscale Discussions in 2012
Mesoscale Discussion 1267
The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2012, 4:07 AM EDT for 27 counties in Florida. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2012, 4:07 AM EDT (08:07 UTC)
- Expired
- Jun 25, 2012, 5:30 AM EDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 27 counties
Bradford County, FL, Charlotte County, FL, Clay County, FL, Collier County, FL, DeSoto County, FL, Duval County, FL, Flagler County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Lake County, FL, Lee 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, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Volusia County, FL
The radar
The Tampa radar (KTBW), 75 km from the middle of the area, began a volume at 08:08 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, 8.1 hours before the alert went out and 75 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
- 2192 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 322 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 15.2
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 |
|---|---|---|---|---|
| Jun 24, 10:16 PM EDT | Mesoscale Discussion | SPC | Brevard, Charlotte, Citrus, Collier, DeSoto, Dixie and 20 more | 59 min |
| Jun 25, 12:46 AM EDT | Mesoscale Discussion | SPC | Alachua, Charlotte, Citrus, DeSoto, Dixie, Gilchrist and 14 more | 89 min |
| Jun 25, 4:37 AM EDT | Tornado Watch | SPC | Alachua, Brevard, Charlotte, Citrus, Collier, DeSoto and 35 more | 9 hr |
| Jun 25, 12:06 PM EDT | Mesoscale Discussion | SPC | Alachua, Bradford, Brevard, Citrus, Clay, Dixie and 25 more | 54 min |
| Jun 25, 1:48 PM EDT | Tornado Watch | SPC | Alachua, Baker, Bradford, Brevard, Charlotte, Citrus and 45 more | 9 hr |
| Jun 25, 6:27 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Brevard, Charlotte, Citrus and 45 more | 63 min |
Nearby
Mesoscale Discussions in Florida, 2012Every mesoscale discussion in 2012
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.