Alert archive / Florida / Mesoscale Discussions in 2003
Mesoscale Discussion 703
The Storm Prediction Center issued this mesoscale discussion at May 3, 2003, 8:45 AM CDT for 8 counties in Alabama; 12 counties in Florida; Decatur County, Seminole County, Georgia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 3, 2003, 8:45 AM CDT (13:45 UTC)
- Expired
- May 3, 2003, 10:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Coffee County, AL, Conecuh County, AL, Covington County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Houston County, AL, Monroe County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Leon County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Decatur County, GA, Seminole County, GA
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 1.8 hours before the alert went out and 257 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
- 618 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 2, 7:38 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 36 more | 97 min |
| May 3, 9:15 AM CDT | Severe Thunderstorm Watch | SPC | Baldwin, Coffee, Conecuh, Covington, Escambia, Geneva and 4 more | 6 hr |
| May 3, 11:24 AM CDT | Mesoscale Discussion | SPC | Baldwin, Escambia, Mobile | 2 hr |
| May 3, 4:36 PM CDT | Mesoscale Discussion | SPC | Choctaw, Mobile, Washington | 114 min |
| May 2, 8:18 PM CDT | Mesoscale Discussion | SPC | Baldwin, Barrow, Bartow, Bibb, Bleckley, Butts and 59 more | 87 min |
| May 2, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 18 more | 3 hr |
| May 3, 1:57 PM CDT | Mesoscale Discussion | SPC | Franklin, Habersham, Hart, Rabun, Stephens, Towns and 2 more | 3 hr |
| May 3, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | Burke, Columbia, Lincoln, Richmond | 4 hr |
Nearby
Mesoscale Discussions in Florida, 2003Mesoscale Discussions in Alabama, 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.