Alert archive / Florida / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 330

May 25, 200511 counties in Florida

The Storm Prediction Center issued this severe thunderstorm watch at May 25, 2005, 2:00 PM EDT for 11 counties in Florida. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 25, 2005, 2:00 PM EDT (18:00 UTC)
Expired
May 25, 2005, 8:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Brevard County, FL, Glades County, FL, Hendry County, FL, Highlands County, FL, Indian River County, FL, Martin County, FL, Okeechobee County, FL, Osceola County, FL, Palm Beach County, FL, Polk County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 65 km from the middle of the area, began a volume at 18:00 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.

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 25, 2:10 PM EDTSevere Thunderstorm WarningMLBSaint Lucie65 min
May 25, 2:29 PM EDTSevere Thunderstorm WarningMLBOsceola38 min
May 25, 2:41 PM EDTSevere Thunderstorm WarningTBWPolk64 min
May 25, 2:47 PM EDTSevere Thunderstorm WarningMLBOkeechobee45 min
May 25, 3:04 PM EDTSevere Thunderstorm WarningMLBMartin, Saint Lucie56 min
May 25, 3:13 PM EDTSevere Thunderstorm WarningMLBSaint Lucie62 min
May 25, 3:23 PM EDTTornado WarningMLBSaint Lucie52 min
May 25, 3:50 PM EDTTornado WarningMLBMartin23 min
May 25, 5:22 PM EDTSevere Thunderstorm WarningMFLGlades18 min
May 25, 6:01 PM EDTSevere Thunderstorm WarningTBWPolk29 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.0 hours before the alert went out and 108 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, Cape Canaveral, FL at 12:00Z on 2005-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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, Cape Canaveral, FL at 12:00Z on 2005-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 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
116 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 1:34 PM EDTMesoscale DiscussionSPCBroward, Highlands, Indian River, Martin, Okeechobee, Palm Beach and 2 more86 min
May 25, 3:54 PM EDTMesoscale DiscussionSPCHighlands, Indian River, Martin, Okeechobee, Osceola, Polk and 1 more66 min
May 25, 5:42 PM EDTMesoscale DiscussionSPCGlades, Hendry, Highlands, Martin, Okeechobee, Palm Beach and 1 more2 hr

Nearby

Severe Thunderstorm Watches in Florida, 2005Every severe thunderstorm watch 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.