Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 31, NWS Tampa Bay, FL

September 1, 2016Hernando County, Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Sep 1, 2016, 3:18 PM EDT for Hernando County, Pasco County, Florida. It was in force for 17 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
Sep 1, 2016, 3:18 PM EDT (19:18 UTC)
Expired
Sep 1, 2016, 3:35 PM EDT
In force
17 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Hernando County, FL, Pasco County, FL

The radar

The Tampa radar (KTBW), 87 km from the middle of the area, began a volume at 19:17 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.

IssuedProductOfficeLasted
Sep 1, 2:50 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.3 hours before the alert went out and 87 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-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2016-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1145 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2016-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1145 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

776 
WFUS52 KTBW 011918
TORTBW
FLC053-101-011945-
/O.NEW.KTBW.TO.W.0031.160901T1918Z-160901T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
318 PM EDT THU SEP 1 2016

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

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

* UNTIL 345 PM EDT
    
* AT 318 PM EDT...A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS
  LOCATED OVER HUDSON...MOVING NORTH AT 45 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  SPRING HILL...HUDSON...WEEKI WACHEE...TIMBER PINES...WEEKI WACHEE
  GARDENS...JASMINE ESTATES...NORTH WEEKI WACHEE...BAYONET POINT AND
  WEEKI WACHEE ACRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE
HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2851 8273 2851 8272 2858 8257 2829 8261
      2828 8268 2845 8274
TIME...MOT...LOC 1918Z 174DEG 40KT 2835 8266 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
3 follow-up statements
495 
WWUS52 KTBW 011928
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
328 PM EDT THU SEP 1 2016

FLC053-101-011945-
/O.CON.KTBW.TO.W.0031.000000T0000Z-160901T1945Z/
HERNANDO FL-PASCO FL-
328 PM EDT THU SEP 1 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
SOUTHWESTERN HERNANDO AND NORTHWESTERN PASCO COUNTIES...
    
AT 328 PM EDT...A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS
LOCATED NEAR TIMBER PINES...OR NEAR SPRING HILL...MOVING NORTH AT 30
MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

LOCATIONS IMPACTED INCLUDE...
SPRING HILL...WEEKI WACHEE...TIMBER PINES...WEEKI WACHEE GARDENS...
NORTH WEEKI WACHEE AND WEEKI WACHEE ACRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE
HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2847 8273 2851 8273 2855 8258 2839 8261
      2838 8267 2845 8274
TIME...MOT...LOC 1928Z 186DEG 25KT 2842 8264 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
814 
WWUS52 KTBW 011932
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
332 PM EDT THU SEP 1 2016

FLC101-011941-
/O.CAN.KTBW.TO.W.0031.000000T0000Z-160901T1945Z/
PASCO FL-
332 PM EDT THU SEP 1 2016

...THE TORNADO WARNING FOR NORTHWESTERN PASCO COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR WEST CENTRAL
FLORIDA.

LAT...LON 2847 8273 2851 8273 2855 8258 2843 8260
      2843 8267 2842 8270 2841 8268 2841 8270
      2845 8274
TIME...MOT...LOC 1931Z 174DEG 40KT 2846 8264 

$$

FLC053-011945-
/O.CON.KTBW.TO.W.0031.000000T0000Z-160901T1945Z/
HERNANDO FL-
332 PM EDT THU SEP 1 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
SOUTHWESTERN HERNANDO COUNTY...
    
AT 331 PM EDT...A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS
LOCATED OVER TIMBER PINES...OR NEAR SPRING HILL...MOVING NORTH AT 45
MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

LOCATIONS IMPACTED INCLUDE...
SPRING HILL...WEEKI WACHEE...TIMBER PINES...WEEKI WACHEE GARDENS...
NORTH WEEKI WACHEE AND WEEKI WACHEE ACRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE
HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2847 8273 2851 8273 2855 8258 2843 8260
      2843 8267 2842 8270 2841 8268 2841 8270
      2845 8274
TIME...MOT...LOC 1931Z 174DEG 40KT 2846 8264 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
054 
WWUS52 KTBW 011935
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
335 PM EDT THU SEP 1 2016

FLC053-011944-
/O.CAN.KTBW.TO.W.0031.000000T0000Z-160901T1945Z/
HERNANDO FL-
335 PM EDT THU SEP 1 2016

...THE TORNADO WARNING FOR SOUTHWESTERN HERNANDO COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR WEST CENTRAL
FLORIDA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
RUSKIN.

LAT...LON 2847 8273 2851 8273 2855 8258 2843 8260
      2843 8267 2842 8270 2841 8268 2841 8270
      2845 8274
TIME...MOT...LOC 1933Z 174DEG 40KT 2850 8264 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 2:27 AM EDTRiver Flood WarningTBWManatee20 hr
Sep 1, 5:27 AM EDTSpecial Marine WarningTBW33 min
Sep 1, 5:42 AM EDTCoastal Flood AdvisoryTBWHillsborough, Manatee, Pinellas, Sarasota8 hr
Sep 1, 9:54 AM EDTRiver Flood WarningTBWHillsborough24 hr
Sep 1, 11:44 AM EDTSpecial Marine WarningTBW91 min
Sep 1, 11:53 AM EDTSpecial Weather StatementTBWPinellas, Sarasota52 min
Sep 1, 12:43 PM EDTSpecial Weather StatementTBWManatee, Pinellas, Sarasota62 min
Sep 1, 1:08 PM EDTSpecial Weather StatementTBWHillsborough, Pasco52 min
Sep 1, 1:20 PM EDTSpecial Marine WarningTBW55 min
Sep 1, 1:50 PM EDTSpecial Weather StatementTBWCitrus, Hernando, Hillsborough, Levy, Pasco55 min
Sep 1, 2:13 PM EDTTornado WarningTBWHernando, Pasco, Sumter32 min
Sep 1, 2:46 PM EDTSpecial Weather StatementTBWLevy44 min
Sep 1, 5:27 PM EDTTornado WarningTBWHernando, Pasco16 min

Nearby

Tornado Warnings in Florida, 2016Every tornado warning in 2016Tornadoes in 2016

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.