Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 1, NWS Melbourne, FL

January 19, 2009Lake County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 19, 2009, 10:59 PM EST for Lake County, Florida. It was in force for 15 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
Jan 19, 2009, 10:59 PM EST (03:59 UTC)
Expired
Jan 19, 2009, 11:14 PM EST
In force
15 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Lake County, FL

The radar

The Melbourne radar (KMLB), 143 km from the middle of the area, began a volume at 04:01 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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 4.0 hours before the alert went out and 151 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 00:00Z on 2009-01-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2009-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939587897117136156175Sfc1 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
32 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1128 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KMLB 200359
TORMLB
FLC069-200430-
/O.NEW.KMLB.TO.W.0001.090120T0359Z-090120T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1059 PM EST MON JAN 19 2009

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LAKE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...THE VILLAGES...PAISLEY...LISBON...
  LEESBURG...LAKE GRIFFIN...LADY LAKE...EMERALDA...

* UNTIL 1130 PM EST

* AT 1056 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES WEST OF
  LEESBURG...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  LEESBURG BY 1115 PM EST...
  FRUITLAND PARK BY 1120 PM EST...
  LAKE GRIFFIN...LADY LAKE AND 6 MILES SOUTHEAST OF THE VILLAGES BY
  1125 PM EST...
  EMERALDA...LISBON AND 6 MILES WEST OF MID FLORIDA LAKES BY 1130 PM
  EST...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR...IN AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.
KEEP AWAY FROM WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER. IF NO
SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS. ABANDON YOUR VEHICLE IF THE
TORNADO IS NEARBY.

LAT...LON 2896 8195 2896 8166 2905 8166 2906 8164
      2912 8164 2899 8151 2870 8195 2871 8196
TIME...MOT...LOC 0359Z 230DEG 19KT 2879 8200

$$

52
2 follow-up statements
000 
WWUS52 KMLB 200407
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1107 PM EST MON JAN 19 2009

FLC069-200430-
/O.CON.KMLB.TO.W.0001.000000T0000Z-090120T0430Z/
LAKE FL-
1107 PM EST MON JAN 19 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM EST FOR NORTHERN
LAKE COUNTY...

AT 1107 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LEESBURG...MOVING 
NORTHEAST AT 45 MPH. PERSONS IN THE PATH OF THIS STORM SHOULD TAKE 
COVER IMMEDIATELY

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
FRUITLAND PARK...LADY LAKE...LAKE GRIFFIN...SILVER LAKE... 
UMATILLA...PAISLEY...MID FLORIDA LAKES...LISBON...EMERALDA AND 
BASSVILLE PARK.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 2896 8195 2896 8166 2905 8166 2906 8164
      2912 8164 2899 8151 2870 8195 2871 8196
TIME...MOT...LOC 0405Z 247DEG 18KT 2880 8191

$$

52
000 
WWUS52 KMLB 200414
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1114 PM EST MON JAN 19 2009

FLC069-200423-
/O.CAN.KMLB.TO.W.0001.000000T0000Z-090120T0430Z/
LAKE FL-
1113 PM EST MON JAN 19 2009

...THE TORNADO WARNING FOR NORTHERN LAKE COUNTY IS CANCELLED...

THE CELL THAT PROMPTED THE TORNADO WARNING WAS NO LONGER EXHIBITING 
ROTATION...AND THUS THE TORNADO WARNING FOR NORTHERN LAKE COUNTY HAS 
BEEN CANCELLED.


LAT...LON 2896 8195 2896 8166 2905 8166 2906 8164
      2912 8164 2899 8151 2870 8195 2871 8196
TIME...MOT...LOC 0413Z 230DEG 19KT 2882 8192

$$

52

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 20, 3:43 AM ESTFire Weather WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia34 hr
Jan 20, 4:10 AM ESTFreeze WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia24 hr
Jan 20, 4:10 AM ESTFreeze WarningMLBOkeechobee, Orange, Osceola, Seminole, Volusia29 hr
Jan 20, 4:10 AM ESTHard Freeze WarningMLBLake, Volusia29 hr
Jan 20, 4:10 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr
Jan 20, 1:36 PM ESTRed Flag WarningMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia28 hr
Jan 20, 1:53 PM ESTHard Freeze WatchMLBLake, Volusia14 hr
Jan 20, 2:14 PM ESTWind Chill AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia19 hr

Nearby

Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009

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.