Alert archive / Florida / Mesoscale Discussions in 2014
Mesoscale Discussion 224
The Storm Prediction Center issued this mesoscale discussion at Mar 29, 2014, 11:38 AM EDT for 21 counties in Florida. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Mar 29, 2014, 11:38 AM EDT (15:38 UTC)
- Expired
- Mar 29, 2014, 1:15 PM EDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 21 counties
Brevard County, FL, Citrus County, FL, Clay County, FL, Duval County, FL, Flagler County, FL, Hardee County, FL, Hernando County, FL, Hillsborough County, FL, Lake County, FL, Manatee County, FL, Marion County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas 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), 139 km from the middle of the area, began a volume at 15:38 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 3.6 hours before the alert went out and 131 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
- 426 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 428 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.4
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 |
|---|---|---|---|---|
| Mar 29, 5:58 AM EDT | Mesoscale Discussion | SPC | Baker, Columbia, Dixie, Franklin, Gilchrist, Gulf and 9 more | 2 hr |
| Mar 29, 8:10 AM EDT | Mesoscale Discussion | SPC | Citrus, Flagler, Hernando, Hillsborough, Lake, Levy and 8 more | 2 hr |
| Mar 29, 9:43 AM EDT | Tornado Watch | SPC | Alachua, Brevard, Citrus, Flagler, Gilchrist, Hardee and 18 more | 7 hr |
| Mar 29, 2:25 PM EDT | Mesoscale Discussion | SPC | Brevard, Charlotte, Collier, DeSoto, Glades, Hardee and 16 more | 95 min |
| Mar 29, 3:42 PM EDT | Severe Thunderstorm Watch | SPC | Broward, Collier, Glades, Hendry, Martin, Miami-Dade and 4 more | 6 hr |
| Mar 29, 7:25 PM EDT | Mesoscale Discussion | SPC | Broward, Miami-Dade, Monroe | 2 hr |
Nearby
Mesoscale Discussions in Florida, 2014Every mesoscale discussion in 2014
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.