Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 1, NWS Tampa Bay, FL

January 25, 2011Citrus County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jan 25, 2011, 3:55 PM EST for Citrus County, Florida. It was in force for 39 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: Jan 25, 2011, 3:55 PM EST (20:55 UTC)
Expired: Jan 25, 2011, 4:34 PM EST
In force: 39 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon

County Citrus County, FL

The radar

The Tampa radar (KTBW), 132 km from the middle of the area, began a volume at 20:58 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jan 25, 2:07 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.9 hours before the alert went out and 132 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: 5 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 368 m²/s²
0-3 km storm-relative helicity: 493 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

310 
WFUS52 KTBW 252055
TORTBW
FLC017-252145-
/O.NEW.KTBW.TO.W.0001.110125T2055Z-110125T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
355 PM EST TUE JAN 25 2011

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

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

* UNTIL 445 PM EST

* AT 348 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 17 MILES WEST OF CHASSAHOWITZKA...OR 18 MILES WEST OF
  HOMOSASSA SPRINGS...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  CHASSAHOWITZKA.
  CHASSAHOWITZKA.
  HOMOSASSA SPRINGS.
  BEVERLY HILLS.
  INVERNESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE PLEASE CALL
813-645-2323.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST TUESDAY EVENING
FOR WESTERN FLORIDA.

&&

LAT...LON 2904 8271 2902 8261 2906 8253 2905 8243
      2897 8231 2890 8227 2883 8219 2869 8255
      2869 8264 2871 8269 2874 8269 2875 8265
      2876 8269 2881 8270 2884 8273 2889 8266
      2890 8269 2900 8277
TIME...MOT...LOC 2055Z 244DEG 29KT 2876 8278

$$

2 follow-up statements

040 
WWUS52 KTBW 252112
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
412 PM EST TUE JAN 25 2011

FLC017-252145-
/O.CON.KTBW.TO.W.0001.000000T0000Z-110125T2145Z/
CITRUS FL-
412 PM EST TUE JAN 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EST FOR CITRUS
COUNTY...

AT 402 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.   LOCATED 7 MILES NORTHWEST OF HOMOSASSA...OR 8
MILES SOUTHWEST OF CRYSTAL RIVER...MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  HOMOSASSA.
  CRYSTAL RIVER.
  CITRONELLE.
  CITRUS SPRINGS.
  CITRUS SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING  
WIDESPREAD DAMAGING WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST TUESDAY EVENING
FOR WESTERN FLORIDA.

&&

LAT...LON 2904 8271 2902 8261 2906 8253 2905 8243
      2897 8231 2890 8227 2883 8219 2869 8255
      2869 8264 2871 8269 2874 8269 2875 8265
      2876 8269 2881 8270 2884 8273 2889 8266
      2890 8269 2900 8277
TIME...MOT...LOC 2111Z 238DEG 31KT 2888 8264

$$

219 
WWUS52 KTBW 252134
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
434 PM EST TUE JAN 25 2011

FLC017-252144-
/O.CAN.KTBW.TO.W.0001.000000T0000Z-110125T2145Z/
CITRUS FL-
434 PM EST TUE JAN 25 2011

...THE TORNADO WARNING FOR CITRUS COUNTY IS CANCELLED...

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MUCH OF 
CITRUS COUNTY UNTIL 530 PM...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST TUESDAY EVENING
FOR WESTERN FLORIDA.

LAT...LON 2904 8271 2902 8261 2906 8253 2905 8243
      2897 8231 2890 8227 2883 8219 2869 8255
      2869 8264 2871 8269 2874 8269 2875 8265
      2876 8269 2881 8270 2884 8273 2889 8266
      2890 8269 2900 8277
TIME...MOT...LOC 2134Z 238DEG 31KT 2898 8245

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 4:16 AM EST	Small Craft Advisory	TBW		39 hr
Jan 25, 4:34 AM EST	High Surf Advisory	TBW	Pinellas	19 hr
Jan 25, 9:33 AM EST	Lake Wind Advisory	TBW	DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter	8 hr
Jan 25, 1:48 PM EST	Special Marine Warning	TBW		57 min
Jan 25, 2:41 PM EST	Special Marine Warning	TBW		64 min
Jan 25, 2:57 PM EST	Special Weather Statement	TBW	Citrus, Levy	63 min
Jan 25, 3:37 PM EST	Severe Thunderstorm Warning	TBW	Citrus, Hernando, Pasco	53 min
Jan 25, 3:43 PM EST	Special Marine Warning	TBW		62 min
Jan 25, 4:00 PM EST	Tornado Warning	TBW	Hernando, Pasco	45 min
Jan 25, 4:24 PM EST	Special Marine Warning	TBW		96 min
Jan 25, 4:30 PM EST	Severe Thunderstorm Warning	TBW	Citrus, Hernando, Pasco, Sumter	60 min
Jan 25, 4:31 PM EST	Special Weather Statement	TBW	Hillsborough, Pinellas	59 min
Jan 25, 4:45 PM EST	Tornado Warning	TBW	Hernando, Pasco, Sumter	30 min
Jan 25, 5:00 PM EST	Severe Thunderstorm Warning	TBW	Hillsborough, Manatee, Pinellas, Sarasota	60 min
Jan 25, 5:05 PM EST	Special Marine Warning	TBW		115 min
Jan 25, 5:09 PM EST	Tornado Warning	TBW	Hillsborough, Pinellas	36 min
Jan 25, 5:29 PM EST	Special Weather Statement	TBW	Hillsborough, Manatee, Sarasota	61 min
Jan 25, 5:44 PM EST	Areal Flood Advisory	TBW	Hillsborough, Pinellas	91 min
Jan 25, 5:45 PM EST	Tornado Warning	TBW	Highlands, Polk	30 min
Jan 25, 5:49 PM EST	Tornado Warning	TBW	Hillsborough	26 min
Jan 25, 5:55 PM EST	Areal Flood Advisory	TBW	Manatee	2 hr
Jan 25, 5:58 PM EST	Tornado Warning	TBW	Polk	32 min
Jan 25, 6:00 PM EST	Tornado Warning	TBW	Manatee, Sarasota	30 min
Jan 25, 6:01 PM EST	Tornado Warning	TBW	Hardee, Hillsborough, Manatee, Polk	29 min
Jan 25, 6:30 PM EST	Tornado Warning	TBW	DeSoto, Hardee, Manatee, Sarasota	30 min
Jan 25, 6:35 PM EST	Tornado Warning	TBW	Charlotte, DeSoto, Sarasota	40 min
Jan 25, 6:54 PM EST	Severe Thunderstorm Warning	TBW	Hardee, Highlands, Polk	36 min

Nearby

Tornado Warnings in Florida, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.