Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 2, NWS Tampa Bay, FL

January 22, 2017Hernando County, Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jan 22, 2017, 5:42 PM EST for Hernando County, Pasco County, Florida. It was in force for 33 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 22, 2017, 5:42 PM EST (22:42 UTC)
Expired
Jan 22, 2017, 6:15 PM EST
In force
33 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Hernando County, FL, Pasco County, FL

The radar

The Tampa radar (KTBW), 72 km from the middle of the area, began a volume at 22:41 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

TimeReportWhereRemark
Jan 22, 5:55 PM ESTTSTM WND DMG3 Ene Hudson, FLLARGE OAK TREE DOWN ALONG THOMPSON AVE IN HUDSON.
Jan 22, 6:04 PM ESTTSTM WND GST 59Bkv Hernando County Air, FLPEAK WIND GUST OF 59 MPH REPORTED BY ASOS AT BROOKSVILLE 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.

IssuedProductOfficeLasted
Jan 22, 4:35 PM ESTTornado Watch PDSSPC5 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 10.7 hours before the alert went out and 72 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 2017-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 906 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 2017-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 square meters per square second.1939587897Sfc1 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
906 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
606 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.7

Open this sounding in Storm Lab

The text

As transmitted.

606 
WFUS52 KTBW 222242
TORTBW
FLC053-101-222315-
/O.NEW.KTBW.TO.W.0002.170122T2242Z-170122T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
542 PM EST SUN JAN 22 2017

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Western Pasco County in west central Florida...
  Southwestern Hernando County in west central Florida...

* Until 615 PM EST
    
* At 542 PM EST, a severe thunderstorm capable of producing a tornado
  was located over Beacon Square, or near Holiday, moving northeast
  at 60 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. 

* This dangerous storm will be near...
  New Port Richey around 545 PM EST. 
  New Port Richey East and Jasmine Estates around 550 PM EST. 
  Hudson around 555 PM EST. 
  Weeki Wachee and Timber Pines around 605 PM EST. 
  Spring Hill and Hernando County Airport around 610 PM EST. 

Other locations impacted by this tornadic thunderstorm include Garden
Grove, Bayonet Point, Shady Hills, Elfers, Moon Lake, Gowers Corner,
Masaryktown 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 2828 8280 2831 8279 2854 8254 2851 8243
      2838 8236 2817 8278 2817 8280 2816 8280
      2814 8284 2824 8286
TIME...MOT...LOC 2242Z 228DEG 50KT 2823 8278 

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

$$

Austin
2 follow-up statements
688 
WWUS52 KTBW 222249
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
549 PM EST SUN JAN 22 2017

FLC053-101-222315-
/O.CON.KTBW.TO.W.0002.000000T0000Z-170122T2315Z/
Pasco FL-Hernando FL-
549 PM EST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EST FOR WESTERN
PASCO AND SOUTHWESTERN HERNANDO COUNTIES...
    
At 549 PM EST, a severe thunderstorm capable of producing a tornado
was located over Jasmine Estates, or over New Port Richey, moving
northeast at 50 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. 

This dangerous storm will be near...
  Spring Hill and Hernando County Airport around 615 PM EST. 

Other locations impacted by this tornadic thunderstorm include Garden
Grove, Shady Hills, Elfers, Bayonet Point, Moon Lake, Gowers Corner
and Masaryktown.

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2828 8280 2830 8278 2852 8251 2851 8243
      2838 8236 2820 8274 2823 8281
TIME...MOT...LOC 2249Z 227DEG 44KT 2829 8270 

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

$$

TBW
990 
WWUS52 KTBW 222301
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
601 PM EST SUN JAN 22 2017

FLC053-101-222315-
/O.CON.KTBW.TO.W.0002.000000T0000Z-170122T2315Z/
Pasco FL-Hernando FL-
601 PM EST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EST FOR NORTH
CENTRAL PASCO AND SOUTH CENTRAL HERNANDO COUNTIES...
    
At 601 PM EST, a severe thunderstorm capable of producing a tornado
was located near Spring Hill, moving northeast at 55 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. 

This dangerous storm will be near...
  Spring Hill and Hernando County Airport around 610 PM EST. 

Other locations impacted by this tornadic thunderstorm include
Masaryktown, Garden Grove and Shady Hills.

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2838 8261 2850 8249 2851 8243 2838 8236
      2833 8258 2834 8260
TIME...MOT...LOC 2301Z 235DEG 49KT 2838 8254 

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

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 4:48 AM ESTGale WarningTBW38 hr
Jan 22, 5:01 AM ESTCoastal Flood StatementTBWCharlotte, Citrus, Hernando, Hillsborough, Lee, Levy and 4 more19 hr
Jan 22, 5:01 AM ESTHigh Surf AdvisoryTBWCharlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota56 hr
Jan 22, 4:34 PM ESTSpecial Marine WarningTBW86 min
Jan 22, 5:08 PM ESTSpecial Marine WarningTBW37 min
Jan 22, 5:23 PM ESTSevere Thunderstorm WarningTBWLevy37 min
Jan 22, 5:41 PM ESTSevere Thunderstorm WarningTBWPasco34 min
Jan 22, 5:50 PM ESTTornado WarningTBWCitrus, Sumter25 min
Jan 22, 5:55 PM ESTSpecial Marine WarningTBW35 min
Jan 22, 5:56 PM ESTSpecial Marine WarningTBW34 min
Jan 22, 5:59 PM ESTSevere Thunderstorm WarningTBWCitrus, Hernando, Sumter46 min
Jan 22, 5:59 PM ESTTornado WarningTBWSumter31 min
Jan 22, 6:04 PM ESTSpecial Marine WarningTBW56 min
Jan 22, 6:06 PM ESTSevere Thunderstorm WarningTBWLevy24 min
Jan 22, 6:12 PM ESTSevere Thunderstorm WarningTBWHillsborough, Manatee, Sarasota32 min
Jan 22, 6:20 PM ESTTornado WarningTBWHernando, Sumter25 min
Jan 22, 6:42 PM ESTSevere Thunderstorm WarningTBWCitrus, Hernando, Pasco, Sumter63 min
Jan 22, 6:44 PM ESTSpecial Marine WarningTBW46 min

Nearby

Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017

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.