Alert archive / Florida / Mesoscale Discussions in 2003
Mesoscale Discussion 213
The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2003, 2:40 AM EST for 24 counties in Florida; Echols County, Georgia. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2003, 2:40 AM EST (07:40 UTC)
- Expired
- Mar 9, 2003, 5:45 AM EST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Alachua County, FL, Baker County, FL, Bay County, FL, Calhoun County, FL, Columbia County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Okaloosa County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Echols County, GA
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 7.7 hours before the alert went out and 310 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 474 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 8, 10:58 PM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Escambia, Holmes, Jackson, Liberty and 4 more | 2 hr |
| Mar 9, 8:18 AM EST | Mesoscale Discussion | SPC | Baker, Bay, Calhoun, Columbia, Escambia, Gadsden and 16 more | 117 min |
Nearby
Mesoscale Discussions in Florida, 2003Mesoscale Discussions in Georgia, 2003Every mesoscale discussion in 2003
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.