Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 1, NWS Tampa Bay, FL

March 13, 2001Sarasota County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 13, 2001, 4:55 PM EST for Sarasota County, Florida. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 13, 2001, 4:55 PM EST (21:55 UTC)
Expired
Mar 13, 2001, 5:30 PM EST
In force
35 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Sarasota County, FL

The radar

The Tampa radar (KTBW), 58 km from the middle of the area, began a volume at 21:58 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, 9.9 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2001-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1799 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 2001-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
1799 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
2.6
Supercell composite
11.5

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTBW 132154
TORTBW

FLC115-132230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
455 PM EST TUE MAR 13 2001

THE NATIONAL WEATHER SERVICE IN RUSKIN FLORIDA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN SARASOTA COUNTY.

* UNTIL 530 PM EST.

* AT 453 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 7 MILES NORTHWEST OF VENICE...MOVING EAST AT 10 MPH.

* THE TORNADO WILL AFFECT...
  LAUREL BY 510 PM EST.
  NOKOMIS BY 520 PM EST.

THIS IS A DANGEROUS STORM! MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.

$$

LAT...LON 2722 8249 2709 8250 2708 8235 2723 8235

88
NNNN

Nearby

Tornado Warnings in Florida, 2001Every tornado warning in 2001Tornadoes in 2001

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.