Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 1, NWS Tampa Bay, FL

March 9, 2003Hernando County, Sumter County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 9, 2003, 3:59 PM EST for Hernando County, Sumter County, Florida. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 9, 2003, 3:59 PM EST (20:59 UTC)
Expired
Mar 9, 2003, 4:30 PM EST
In force
31 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

Counties Hernando County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 100 km from the middle of the area, began a volume at 20:59 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

Tampa Bay, FL (KTBW), launched 12:00Z, 9.0 hours before the alert went out and 100 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 12:00Z on 2003-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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, Tampa Bay, FL at 12:00Z on 2003-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.1939587897Sfc1 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
16 J/kg
Mixed-layer CIN
-359 J/kg
Mixed-layer LCL
1152 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

740 
WFUS52 KTBW 092059
TORTBW
FLC053-119-092130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
359 PM EST SUN MAR 9 2003

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SUMTER COUNTY IN FLORIDA.
  NORTHEASTERN HERNANDO COUNTY IN FLORIDA.

* UNTIL 430 PM EST

* AT 359 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A TORNADO OVER NORTH CENTRAL HERNANDO COUNTY JUST WEST OF          
  NOBLETON...MOVING EAST AT 40 MPH.

* THE TORNADO WILL AFFECT...
  RIDGE MANOR BY 405 PM EST.


&&

LAT...LON 2865 8237 2851 8240 2848 8197 2866 8198

$$

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 2:46 PM ESTSpecial Marine WarningTBW59 min
Mar 9, 2:46 PM ESTSpecial Marine WarningTBW59 min
Mar 9, 6:09 PM ESTSevere Thunderstorm WarningTBWPolk36 min

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes in 2003

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.