Alert archive / Florida / Mesoscale Discussions in 2006

Mesoscale Discussion 113

February 3, 2006Broward County, Collier County, Palm Beach County, Florida

The Storm Prediction Center issued this mesoscale discussion at Feb 3, 2006, 5:10 PM EST for Broward County, Collier County, Palm Beach County, Florida. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Feb 3, 2006, 5:10 PM EST (22:10 UTC)
Expired: Feb 3, 2006, 6:45 PM EST
In force: 95 min
Issued by: the Storm Prediction Center

Counties Broward County, FL, Collier County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 87 km from the middle of the area, began a volume at 22:11 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

Miami, FL (KMFL), launched 12:00Z, 10.2 hours before the alert went out and 84 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: 453 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

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

000 
ACUS11 KWNS 032210
SWOMCD
SPC MCD 032210 
FLZ000-032345-

MESOSCALE DISCUSSION 0113
NWS STORM PREDICTION CENTER NORMAN OK
0410 PM CST FRI FEB 03 2006

AREAS AFFECTED...SOUTHERN FL PENINSULA

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 032210Z - 032345Z

ISOLATED SEVERE THREAT MAY INCREASE OVER THE NEXT HOUR OR TWO ACROSS
THE SOUTHERN FL PENINSULA. A WATCH IS NOT CURRENTLY
ANTICIPATED...HOWEVER WILL MONITOR DEVELOPMENTAL TRENDS.

STRONG/POTENTIALLY SEVERE TSTM -- AROUND 30 SW APF/NAPLES AT 22Z --
APPEARS LIKELY TO REACH THE SOUTHWEST FL PENINSULA WITHIN THE NEXT
HOUR OR SO. WITH COMPOSITE OUTFLOW BOUNDARY ROUGHLY STALLED NORTH OF
A NAPLES TO PALM BEACH CORRIDOR...THIS STORM APPEARS LIKELY TO REACH
THE SOUTHERN COLLIER OR PERHAPS NORTHERN MONROE COUNTY COAST BY
AROUND 2300-2330Z. WITH A RELATIVELY MOIST/UNSTABLE ENVIRONMENT
EXISTING ACROSS SOUTHERN FL...VERTICAL SHEAR PROFILES ARE FAVORABLE
FOR SUPERCELL STRUCTURES PER 21Z RUC SOUNDINGS/LOCAL WSR-88D
VWPS...WITH A DAMAGING WIND AND/OR PERHAPS AN ISOLATED TORNADO
THREAT EARLY THIS EVENING.

..GUYER.. 02/03/2006

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MFL...

26028185 26248155 26538080 26908012 26288005 25658087
25538130

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 2, 8:00 PM EST	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Clay, Columbia, Dixie and 8 more	90 min
Feb 3, 1:53 AM EST	Mesoscale Discussion	SPC	Alachua, Bradford, Citrus, Dixie, Gilchrist, Levy and 2 more	97 min
Feb 3, 8:01 AM EST	Mesoscale Discussion	SPC	Brevard, Hardee, Hillsborough, Manatee, Orange, Osceola and 5 more	29 min
Feb 3, 8:15 AM EST	Tornado Watch	SPC	Brevard, Charlotte, DeSoto, Hardee, Highlands, Hillsborough and 13 more	7 hr
Feb 3, 11:38 AM EST	Mesoscale Discussion	SPC	Brevard, Charlotte, DeSoto, Glades, Hardee, Highlands and 9 more	2 hr
Feb 3, 2:39 PM EST	Mesoscale Discussion	SPC	Charlotte, Collier, DeSoto, Glades, Hardee, Hendry and 9 more	66 min
Feb 3, 4:19 PM EST	Mesoscale Discussion	SPC	Alachua, Bay, Citrus, Columbia, Dixie, Franklin and 16 more	116 min
Feb 3, 4:49 PM EST	Severe Thunderstorm Watch	SPC	Alachua, Baker, Bay, Bradford, Calhoun, Columbia and 21 more	3 hr

Nearby

Mesoscale Discussions in Florida, 2006 Every 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.