Alert archive / Florida / Mesoscale Discussions in 2005

Mesoscale Discussion 2359

October 24, 200522 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Oct 24, 2005, 8:16 AM EDT for 22 counties in Florida. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Oct 24, 2005, 8:16 AM EDT (12:16 UTC)
Expired: Oct 24, 2005, 9:45 AM EDT
In force: 89 min
Issued by: the Storm Prediction Center

All 22 counties

Brevard County, FL, Broward County, FL, Charlotte County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Highlands County, FL, Indian River County, FL, Lee County, FL, Martin County, FL, Miami-Dade County, FL, Monroe County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Palm Beach County, FL, Polk County, FL, Saint Lucie County, FL, Seminole County, FL, Volusia County, FL

The radar

The Tampa radar (KTBW), 126 km from the middle of the area, began a volume at 12:18 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, 0.3 hours before the alert went out and 186 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 181 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 678 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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.

Issued	Product	Office	Counties	Lasted
Oct 23, 8:48 PM EDT	Mesoscale Discussion	SPC	Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 20 more	117 min
Oct 23, 9:25 PM EDT	Tornado Watch	SPC	Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 24 more	14 hr
Oct 23, 11:13 PM EDT	Mesoscale Discussion	SPC	Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 21 more	2 hr
Oct 24, 4:28 AM EDT	Mesoscale Discussion	SPC	Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 24 more	107 min
Oct 24, 10:57 AM EDT	Mesoscale Discussion	SPC	Brevard, Indian River	63 min

Nearby

Mesoscale Discussions in Florida, 2005 Every mesoscale discussion in 2005

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.