Alert archive / Florida / Mesoscale Discussions in 2006

Mesoscale Discussion 800

May 8, 20065 counties in Alabama; 13 counties in Florida; 11 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at May 8, 2006, 10:00 PM CDT for 5 counties in Alabama; 13 counties in Florida; 11 counties in Georgia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 8, 2006, 10:00 PM CDT (03:00 UTC)
Expired
May 9, 2006, 12:00 AM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 29 counties

Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Brooks County, GA, Calhoun County, GA, Colquitt County, GA, Decatur County, GA, Early County, GA, Grady County, GA, Miller County, GA, Mitchell County, GA, Seminole County, GA, Thomas County, GA

The radar

The Tallahassee radar (KTLH), 61 km from the middle of the area, began a volume at 02:59 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, 3.0 hours before the alert went out and 64 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.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2006-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 727 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2006-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
727 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:42 PM CDTMesoscale DiscussionSPCBaldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 17 more93 min
May 8, 7:56 PM CDTSevere Thunderstorm WatchSPCBaldwin, Clarke, Conecuh, Covington, Escambia, Mobile and 2 more5 hr
May 9, 9:47 AM CDTMesoscale DiscussionSPCBaldwin, Escambia, Mobile, Washington118 min
May 9, 10:26 AM CDTSevere Thunderstorm WatchSPCBaldwin, Choctaw, Clarke, Conecuh, Escambia, Mobile and 2 more7 hr
May 9, 12:29 PM CDTMesoscale DiscussionSPCLauderdale, Limestone, Madison91 min
May 9, 2:55 PM CDTMesoscale DiscussionSPCColbert, Cullman, Franklin, Lauderdale, Lawrence, Limestone and 5 more2 hr
May 9, 3:57 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Butler, Chilton, Choctaw, Clarke and 15 more2 hr
May 9, 4:47 PM CDTSevere Thunderstorm WatchSPCAutauga, Bibb, Blount, Butler, Chilton, Choctaw and 28 more5 hr
May 9, 6:33 PM CDTMesoscale DiscussionSPCAutauga, Barbour, Bullock, Butler, Choctaw, Clarke and 20 more57 min
May 9, 3:37 AM CDTMesoscale DiscussionSPCCitrus, Hernando, Levy, Pasco113 min

Nearby

Mesoscale Discussions in Florida, 2006Mesoscale Discussions in Georgia, 2006Mesoscale Discussions in Alabama, 2006Every mesoscale discussion in 2006

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.