Alert archive / Florida / Tornado Watches in 2005
Tornado Watch 457
The Storm Prediction Center issued this tornado watch at Jun 10, 2005, 10:05 PM EDT for 19 counties in Florida. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2005, 10:05 PM EDT (02:05 UTC)
- Expired
- Jun 11, 2005, 8:00 AM EDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
Counties Charlotte County, FL, Citrus County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Lee County, FL, Manatee County, FL, Marion County, FL, Monroe County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Sarasota County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 58 km from the middle of the area, began a volume at 02:09 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 5:40 AM EDT | Tornado Warning | TBW | Sarasota | 35 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
Tampa Bay, FL (KTBW), launched 00:00Z, 2.1 hours before the alert went out and 58 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.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 110205
SEL7
SPC WW 110205
FLZ000-CWZ000-111200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 457
NWS STORM PREDICTION CENTER NORMAN OK
1005 PM EDT FRI JUN 10 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN AND SOUTHERN FLORIDA AND THE WESTERN FLORIDA KEYS
COASTAL WATERS
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1005 PM
UNTIL 800 AM EDT.
TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE MILES
EITHER SIDE OF A LINE FROM 90 MILES NORTH OF SAINT PETERSBURG
FLORIDA TO 140 MILES SOUTH SOUTHEAST OF FORT MEYERS FLORIDA. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 450. WATCH NUMBER 450 WILL NOT BE IN EFFECT AFTER
1005 PM EDT. CONTINUE...WW 455...WW 456...
DISCUSSION...EMBEDDED SUPERCELLS IN CONFLUENCE BAND IN SE QUADRANT
OF T.S ARLENE WILL POSE A THREAT FOR TORNADOES ALONG THE W COAST OF
FL OVERNIGHT GIVEN VERY STRONG LOW LEVEL DIRECTIONAL SHEAR AND RICH
BOUNDARY LAYER MOISTURE INFLOW INDICATED IN LATEST RAOB/VWP DATA.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 18030.
...CORFIDI
292,0820 245,0802 242,0813 290,0831SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 9:50 PM EDT | Mesoscale Discussion | SPC | Charlotte, Collier, Lee, Manatee, Monroe, Sarasota | 55 min |
| Jun 11, 5:10 AM EDT | Tornado Watch | SPC | Alachua, Baker, Bay, Bradford, Brevard, Calhoun and 39 more | 12 hr |
| Jun 11, 3:23 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bay, Bradford, Calhoun, Clay and 26 more | 97 min |
Nearby
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.