Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 15, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Mar 30, 2011, 2:33 PM EDT for Levy County, Florida. It was in force for 42 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 30, 2011, 2:33 PM EDT (18:33 UTC)
- Expired
- Mar 30, 2011, 3:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
County Levy County, FL
The radar
The Jacksonville radar (KJAX), 165 km from the middle of the area, began a volume at 18:35 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 30, 11:10 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 6.6 hours before the alert went out and 166 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
- 559 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
093
WFUS52 KTBW 301833
TORTBW
FLC075-301915-
/O.NEW.KTBW.TO.W.0015.110330T1833Z-110330T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
233 PM EDT WED MAR 30 2011
THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A
* TORNADO WARNING FOR...
LEVY COUNTY IN FLORIDA.
* UNTIL 315 PM EDT
* AT 228 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 25 MILES SOUTHWEST OF CHIEFLAND...OR 16 MILES NORTHWEST OF
CEDAR KEY...MOVING EAST AT 45 MPH.
* THE TORNADO WILL BE NEAR...
CHIEFLAND.
OTTER CREEK.
BRONSON.
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 2936 8307 2951 8299 2959 8277 2957 8275
2957 8266 2955 8264 2954 8255 2949 8255
2948 8251 2923 8243 2917 8306 2922 8309
2924 8307 2926 8309 2928 8316 2930 8316
TIME...MOT...LOC 1833Z 264DEG 40KT 2932 8317
$$2 follow-up statements
836
WWUS52 KTBW 301854
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
254 PM EDT WED MAR 30 2011
FLC075-301915-
/O.CON.KTBW.TO.W.0015.000000T0000Z-110330T1915Z/
LEVY FL-
254 PM EDT WED MAR 30 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR LEVY
COUNTY...
AT 251 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. LOCATED 8 MILES SOUTHEAST OF YELLOW JACKET...OR
10 MILES SOUTHWEST OF CHIEFLAND...MOVING EAST AT 45 MPH.
THE TORNADO WILL BE NEAR...
CHIEFLAND.
OTTER CREEK.
BRONSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND WIDESPREAD DAMAGING WINDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHWESTERN FLORIDA.
&&
LAT...LON 2936 8307 2951 8299 2959 8277 2957 8275
2957 8266 2955 8264 2954 8255 2949 8255
2948 8251 2923 8243 2917 8306 2922 8309
2924 8307 2926 8309 2928 8316 2930 8316
TIME...MOT...LOC 1854Z 264DEG 40KT 2936 8290
$$199
WWUS52 KTBW 301912
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
312 PM EDT WED MAR 30 2011
FLC075-301921-
/O.EXP.KTBW.TO.W.0015.000000T0000Z-110330T1915Z/
LEVY FL-
312 PM EDT WED MAR 30 2011
...THE TORNADO WARNING FOR LEVY COUNTY WILL EXPIRE AT 315 PM EDT...
THE STORM HAS WEAKENED...HOWEVER THE STORM WILL CONTINUE TO PRODUCE
STRONG GUSTY WINDS AND HEAVY RAIN AS IT MOVES EAST AT 45 MPH ACROSS
EASTERN LEVY COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHWESTERN FLORIDA.
LAT...LON 2936 8307 2951 8299 2959 8277 2957 8275
2957 8266 2955 8264 2954 8255 2949 8255
2948 8251 2923 8243 2917 8306 2922 8309
2924 8307 2926 8309 2928 8316 2930 8316
TIME...MOT...LOC 1911Z 264DEG 40KT 2938 8268
$$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, 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, 3:55 PM EDT | Tornado Warning | TBW | Citrus, Sumter | 20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.