Alert archive / Florida / Mesoscale Discussions in 2014
Mesoscale Discussion 355
The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2014, 9:45 PM CDT for 9 counties in Alabama; 12 counties in Florida; 7 counties in Georgia. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2014, 9:45 PM CDT (02:45 UTC)
- Expired
- Apr 14, 2014, 10:45 PM CDT
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 28 counties
Baldwin County, AL, Coffee County, AL, Covington County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Mobile County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Clay County, GA, Decatur County, GA, Early County, GA, Miller County, GA, Seminole County, GA
The radar
The Eglin Afb radar (KEVX), 76 km from the middle of the area, began a volume at 02:48 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.8 hours before the alert went out and 232 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
- 127 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 |
|---|---|---|---|---|
| Apr 14, 7:00 PM CDT | Mesoscale Discussion | SPC | Baldwin, Covington, Escambia, Mobile | 60 min |
| Apr 14, 7:49 PM CDT | Severe Thunderstorm Watch | SPC | Baldwin, Coffee, Covington, Dale, Escambia, Geneva and 3 more | 6 hr |
| Apr 15, 1:30 AM CDT | Mesoscale Discussion | SPC | Geneva, Houston | 60 min |
| Apr 15, 3:58 AM CDT | Mesoscale Discussion | SPC | Calhoun, Jefferson, Leon, Liberty | 62 min |
| Apr 15, 11:29 AM CDT | Mesoscale Discussion | SPC | Brevard, Citrus, Flagler, Hardee, Hernando, Hillsborough and 13 more | 3 hr |
Nearby
Mesoscale Discussions in Florida, 2014Mesoscale Discussions in Alabama, 2014Mesoscale Discussions in Georgia, 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.