Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 3, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Jan 25, 2011, 4:45 PM EST for Hernando County, Pasco County, Sumter County, Florida. It was in force for 30 min. 2 reports 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
- Jan 25, 2011, 4:45 PM EST (21:45 UTC)
- Expired
- Jan 25, 2011, 5:15 PM EST
- In force
- 30 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
Counties Hernando County, FL, Pasco County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 92 km from the middle of the area, began a volume at 21:44 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 |
|---|---|---|---|
| Jan 25, 4:45 PM EST | TSTM WND DMG | 2 Nne Masaryktown, FL | NUMEROUS REPORTS OF TREES AND SOME POWER LINES DOWN IN DIFFERENT PARTS OF THE COUNTY. MAINLY FROM SOUTH SIDE OF SPRING HILL EAST NORTHEAST ACROSS HERNANDO COUNTY AIRPORT TO NEAR SPRING LAKE. WORST STRUCTURAL DAMAGE TO FIVE HOMES JUST NORTHEAST OF HERNANDO COUN |
| Jan 25, 4:45 PM EST | TSTM WND DMG | 3 Nne Masaryktown, FL | THE STORM SURVEY TEAM ESTIMATES 60-70MPH STRAIGHT LINE WINDS DOWNED NUMEROUS LARGE TREES NEAR FERRY AVENUE AND THE HERNANDO COUNTY AIRPORT. |
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 |
|---|---|---|---|
| Jan 25, 2:07 PM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 9.8 hours before the alert went out and 92 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
083 WFUS52 KTBW 252145 TORTBW FLC053-101-119-252215- /O.NEW.KTBW.TO.W.0003.110125T2145Z-110125T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 445 PM EST TUE JAN 25 2011 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN SUMTER COUNTY IN FLORIDA. EASTERN HERNANDO COUNTY IN FLORIDA. NORTHEASTERN PASCO COUNTY IN FLORIDA. * UNTIL 515 PM EST * AT 440 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR MASARYKTOWN...OR 7 MILES SOUTH OF BROOKSVILLE...MOVING EAST AT 45 MPH. * THE TORNADO WILL BE NEAR... BROOKSVILLE. DADE CITY NORTH. RIDGE MANOR. 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 900 PM EST TUESDAY EVENING FOR WESTERN FLORIDA. && LAT...LON 2857 8253 2875 8195 2840 8195 2834 8252 TIME...MOT...LOC 2145Z 260DEG 38KT 2848 8229 $$
1 follow-up statement
027 WWUS52 KTBW 252207 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 507 PM EST TUE JAN 25 2011 FLC053-101-119-252215- /O.CON.KTBW.TO.W.0003.000000T0000Z-110125T2215Z/ SUMTER FL-HERNANDO FL-PASCO FL- 507 PM EST TUE JAN 25 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EST FOR NORTHEASTERN PASCO...SOUTHEASTERN HERNANDO AND SOUTHERN SUMTER COUNTIES... AT 459 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. LOCATED NEAR WEBSTER...OR 8 MILES SOUTH OF BUSHNELL...MOVING EAST AT 45 MPH. THE TORNADO WILL BE NEAR... WEBSTER. CENTER HILL. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND COVER YOUR HEAD WITH YOUR HANDS. IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE HAIL AND WIDESPREAD DAMAGING WINDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST TUESDAY EVENING FOR WESTERN FLORIDA. && LAT...LON 2864 8222 2875 8195 2840 8195 2841 8230 TIME...MOT...LOC 2207Z 255DEG 40KT 2858 8200 $$
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, 3:55 PM EST | Tornado Warning | TBW | Citrus | 39 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, 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, 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.