Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 17, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Mar 30, 2011, 3:55 PM EDT for Citrus County, Sumter County, Florida. It was in force for 20 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 30, 2011, 3:55 PM EDT (19:55 UTC)
- Expired
- Mar 30, 2011, 4:15 PM EDT
- In force
- 20 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
Counties Citrus County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 121 km from the middle of the area, began a volume at 19:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 4:05 PM EDT | TORNADO | 3 Se Lake Panasoffkee, FL | REPORTED ON THE GROUND MOVING EAST NEAR INTERSTATE 75 AND COUNTY ROAD 470. REPORTED BY EMS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 30, 11:10 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 7.9 hours before the alert went out and 121 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.
- Mixed-layer CAPE
- 681 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
003
WFUS52 KTBW 301955
TORTBW
FLC017-119-302015-
/O.NEW.KTBW.TO.W.0017.110330T1955Z-110330T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
355 PM EDT WED MAR 30 2011
THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN SUMTER COUNTY IN FLORIDA.
EASTERN CITRUS COUNTY IN FLORIDA.
* UNTIL 415 PM EDT
* AT 350 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 8 MILES WEST OF LAKE PANASOFFKEE...OR 6 MILES SOUTHEAST OF
INVERNESS...MOVING EAST AT 55 MPH.
* THE TORNADO WILL BE NEAR...
LAKE PANASOFFKEE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND WIDESPREAD DAMAGING WINDS.
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 800 PM EDT WEDNESDAY EVENING
FOR NORTHWESTERN FLORIDA.
&&
LAT...LON 2871 8194 2870 8227 2877 8229 2885 8229
2885 8194
TIME...MOT...LOC 1955Z 263DEG 49KT 2881 8214
$$1 follow-up statement
463
WWUS52 KTBW 302006
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
406 PM EDT WED MAR 30 2011
FLC017-119-302015-
/O.CON.KTBW.TO.W.0017.000000T0000Z-110330T2015Z/
SUMTER FL-CITRUS FL-
406 PM EDT WED MAR 30 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR
SOUTHEASTERN CITRUS AND NORTHERN SUMTER COUNTIES...
AT 357 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. LOCATED NEAR LAKE PANASOFFKEE...OR NEAR
WILDWOOD...MOVING EAST AT 55 MPH.
THE TORNADO WILL BE NEAR...
COLEMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND WIDESPREAD DAMAGING WINDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHWESTERN FLORIDA.
&&
LAT...LON 2871 8194 2870 8227 2877 8229 2885 8229
2885 8194
TIME...MOT...LOC 2006Z 263DEG 49KT 2882 8197
$$The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 10:20 PM EDT | Special Weather Statement | TBW | Highlands | 40 min |
| Mar 30, 1:45 PM EDT | Small Craft Advisory | TBW | 8 hr | |
| Mar 30, 2:11 PM EDT | Special Marine Warning | TBW | 94 min | |
| Mar 30, 2:33 PM EDT | Tornado Warning | TBW | Levy | 42 min |
| Mar 30, 3:17 PM EDT | Severe Thunderstorm Warning | TBW | Citrus, Hernando, Levy, Pasco, Sumter | 43 min |
| Mar 30, 3:38 PM EDT | Tornado Warning | TBW | Citrus, Sumter | 37 min |
| Mar 30, 3:42 PM EDT | Special Marine Warning | TBW | 63 min | |
| Mar 30, 4:00 PM EDT | Severe Thunderstorm Warning | TBW | Citrus, Hernando, Pasco, Polk, Sumter | 30 min |
| Mar 30, 4:26 PM EDT | Special Weather Statement | TBW | Polk | 64 min |
| Mar 30, 5:18 PM EDT | Special Weather Statement | TBW | Polk | 57 min |
| Mar 30, 7:59 PM EDT | Special Marine Warning | TBW | 61 min |
Nearby
Tornado Warnings in Florida, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.