Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 4, NWS Tampa Bay, FL

March 27, 2003Levy County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 27, 2003, 2:42 PM EST for Levy County, Florida. It was in force for 48 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 27, 2003, 2:42 PM EST (19:42 UTC)
Expired
Mar 27, 2003, 3:30 PM EST
In force
48 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Levy County, FL

The radar

The Jacksonville radar (KJAX), 158 km from the middle of the area, began a volume at 19:42 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 27, 11:00 AM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 7.7 hours before the alert went out and 159 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, Jacksonville, FL at 12:00Z on 2003-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 207 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2003-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
207 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

960 
WFUS52 KTBW 271942
TORTBW
FLC075-272030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
242 PM EST THU MAR 27 2003

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  LEVY COUNTY IN FLORIDA.

* UNTIL 330 PM EST

* AT 242 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A FORMING TORANDO WITH LARGE HAIL...16 MILES SOUTH OF BRONSON...   
  MOVING NORTH AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  LEBANON.
  BRONSON.

MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE 
HAIL...TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY 
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

QUARTER SIZE HAIL IS LIKELY. MOVE INDOORS IMMEDIATELY.

&&

LAT...LON 2912 8270 2915 8250 2966 8256 2962 8282

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 10:53 AM ESTSevere Thunderstorm WarningTBWCharlotte37 min
Mar 27, 11:03 AM ESTSpecial Marine WarningTBW57 min
Mar 27, 11:08 AM ESTSevere Thunderstorm WarningTBWDeSoto52 min
Mar 27, 11:52 AM ESTSpecial Marine WarningTBW53 min
Mar 27, 12:10 PM ESTSevere Thunderstorm WarningTBWLee65 min
Mar 27, 1:00 PM ESTSevere Thunderstorm WarningTBWHillsborough30 min
Mar 27, 1:04 PM ESTSevere Thunderstorm WarningTBWLevy31 min
Mar 27, 1:20 PM ESTSevere Thunderstorm WarningTBWPasco40 min
Mar 27, 1:34 PM ESTSpecial Marine WarningTBW56 min
Mar 27, 1:45 PM ESTSevere Thunderstorm WarningTBWCitrus30 min
Mar 27, 2:01 PM ESTSevere Thunderstorm WarningTBWHernando29 min
Mar 27, 2:08 PM ESTSevere Thunderstorm WarningTBWLevy37 min
Mar 27, 2:10 PM ESTSpecial Marine WarningTBW2 hr
Mar 27, 2:19 PM ESTSevere Thunderstorm WarningTBWCitrus, Sumter41 min
Mar 27, 2:20 PM ESTSevere Thunderstorm WarningTBWHernando, Pasco25 min
Mar 27, 2:37 PM ESTTornado WarningTBWLee23 min
Mar 27, 2:58 PM ESTSevere Thunderstorm WarningTBWHernando, Pasco47 min
Mar 27, 3:08 PM ESTTornado WarningTBWPasco22 min
Mar 27, 4:37 PM ESTSevere Thunderstorm WarningTBWPasco38 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.