Alert archive / Florida / Tornado Watches in 2005

Tornado Watch 631

July 10, 200511 counties in Florida

The Storm Prediction Center issued this tornado watch at Jul 10, 2005, 7:35 AM EDT for 11 counties in Florida. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2005, 7:35 AM EDT (11:35 UTC)
Expired
Jul 10, 2005, 1:34 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Charlotte County, FL, Citrus County, FL, DeSoto County, FL, Hardee County, FL, Hernando County, FL, Hillsborough County, FL, Levy County, FL, Manatee County, FL, Pasco County, FL, Sarasota County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 80 km from the middle of the area, began a volume at 11:38 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.

Discussions around it

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

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 11.6 hours before the alert went out and 80 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, Tampa Bay, FL at 00:00Z on 2005-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tampa Bay, FL at 00:00Z on 2005-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
158 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
Jul 9, 10:40 PM EDTTornado WatchSPCAlachua, Baker, Bay, Bradford, Calhoun, Citrus and 30 more6 hr
Jul 10, 4:55 AM EDTTornado WatchSPCBay, Calhoun, Columbia, Dixie, Escambia, Franklin and 18 more9 hr
Jul 10, 1:08 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 11 more67 min
Jul 10, 1:40 PM EDTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 7 more10 hr
Jul 10, 1:48 PM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gadsden, Holmes, Jackson and 8 more57 min
Jul 10, 2:20 PM EDTTornado WatchSPCBay, Calhoun, Escambia, Gadsden, Holmes, Jackson and 10 more10 hr
Jul 10, 6:22 PM EDTMesoscale DiscussionSPCGadsden113 min

Nearby

Tornado Watches in Florida, 2005Every tornado 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.