Alert archive / Florida / Tornado Warnings in 2005

Tornado Warning 2, NWS Tampa Bay, FL

March 23, 2005Hernando County, Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 23, 2005, 5:39 AM EST for Hernando County, Pasco County, Florida. It was in force for 25 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 23, 2005, 5:39 AM EST (10:39 UTC)
Expired: Mar 23, 2005, 6:04 AM EST
In force: 25 min
Issued by: NWS Tampa Bay, FL
Area: Counties, with a storm outline in the text

Counties Hernando County, FL, Pasco County, FL

The radar

The Tampa radar (KTBW), 79 km from the middle of the area, began a volume at 10:42 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.

Issued	Product	Office	Lasted
Mar 23, 4:50 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 10.7 hours before the alert went out and 79 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 700 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1179 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTBW 231040
TORTBW
FLC053-101-231100-
/O.NEW.KTBW.TO.W.0002.050323T1039Z-050323T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
539 AM EST WED MAR 23 2005

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN HERNANDO COUNTY IN FLORIDA.
  NORTHWESTERN PASCO COUNTY IN FLORIDA.

* UNTIL 600 AM EST

* AT 539 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A TORNADO 8 MILES NORTHWEST OF NEW PORT RICHEY...MOVING NORTHEAST  
  AT 40 MPH.

* THE TORNADO WILL AFFECT...
  HUDSON BY 545 AM EST.
  MOON LAKE ESTATES BY 550 AM EST.
  SPRING HILL BY 600 AM 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.

IF CAUGHT OUTSIDE...MOVE INTO A STURDY BUILDING. AS A LAST RESORT...
SEEK SHELTER IN A CULVERT...DITCH...OR LOW SPOT...AND COVER YOUR HEAD
WITH YOUR HANDS.


&&

LAT...LON 2837 8291 2820 8284 2833 8242 2852 8250

$$

57

1 follow-up statement

000 
WWUS52 KTBW 231104
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
604 AM EST WED MAR 23 2005

FLC053-101-231114-
/O.EXP.KTBW.TO.W.0002.000000T0000Z-050323T1100Z/
HERNANDO-PASCO-
604 AM EST WED MAR 23 2005

...THE TORNADO WARNING FOR NORTHWESTERN PASCO AND SOUTHWESTERN
HERNANDO COUNTIES EXPIRED AT 600 AM EST...

AT 604 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED THE TORNADO
HAD DISSIPATED...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

DOPPLER RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY
WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 AM.

&&

LAT...LON 2837 8291 2820 8284 2833 8242 2852 8250

$$

63

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 4:59 AM EST	Special Marine Warning	TBW		61 min
Mar 23, 8:31 AM EST	Special Marine Warning	TBW		29 min
Mar 23, 8:40 AM EST	Severe Thunderstorm Warning	TBW	Hillsborough	37 min

Nearby

Tornado Warnings in Florida, 2005 Every tornado warning in 2005 Tornadoes 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.