Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 9, NWS Melbourne, FL

April 14, 2013Lake County, Florida

NWS Melbourne, FL issued this tornado warning at Apr 14, 2013, 5:30 PM EDT for Lake County, Florida. It was in force for 45 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: Apr 14, 2013, 5:30 PM EDT (21:30 UTC)
Expired: Apr 14, 2013, 6:15 PM EDT
In force: 45 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Lake County, FL

The radar

The Melbourne radar (KMLB), 139 km from the middle of the area, began a volume at 21:32 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
Apr 14, 1:52 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.5 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 846 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

841 
WFUS52 KMLB 142130
TORMLB
FLC069-142215-
/O.NEW.KMLB.TO.W.0009.130414T2130Z-130414T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
530 PM EDT SUN APR 14 2013

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LAKE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...THE VILLAGES...TAVARES...PAISLEY...
  MOUNT DORA...LISBON...LEESBURG...LAKE HARRIS...LAKE GRIFFIN...LADY
  LAKE...HOWEY IN THE HILLS...EUSTIS...EMERALDA...

* UNTIL 615 PM EDT.

* AT 522 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  SOUTHWEST OF HOWEY IN THE HILLS...OR NEAR MASCOTTE...MOVING
  NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  FRUITLAND PARK...LEESBURG AIRPORT...THE VILLAGES...MID FLORIDA
  LAKES AND PITTMAN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 2897 8195 2896 8166 2905 8165 2902 8148
      2858 8180 2862 8196
TIME...MOT...LOC 2129Z 210DEG 23KT 2866 8187

$$


MOSES

2 follow-up statements

951 
WWUS52 KMLB 142155
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
555 PM EDT SUN APR 14 2013

FLC069-142215-
/O.CON.KMLB.TO.W.0009.000000T0000Z-130414T2215Z/
LAKE-
555 PM EDT SUN APR 14 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR NORTHERN
LAKE COUNTY...

AT 553 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED NEAR TAVARES...MOVING
NORTHEAST AT 25 MPH.

ADDITIONAL STRONG STORMS SHOWING SIGNS OF ROTATION WERE LOCATED NEAR 
THE VILLAGES AND MASCOTTE...ALSO MOVING TO THE NORTHEAST AT 25 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY EVENING
FOR EASTERN FLORIDA.

&&

LAT...LON 2897 8195 2896 8166 2905 8165 2902 8148
      2858 8180 2862 8196
TIME...MOT...LOC 2154Z 210DEG 23KT 2880 8177

$$


MOSES

311 
WWUS52 KMLB 142213
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
613 PM EDT SUN APR 14 2013

FLC069-142218-
/O.EXP.KMLB.TO.W.0009.000000T0000Z-130414T2215Z/
LAKE-
613 PM EDT SUN APR 14 2013

...THE TORNADO WARNING FOR NORTHERN LAKE COUNTY WILL EXPIRE AT 615 PM
EDT...

THE SEVERE STORMS AND TORNADO THAT PROMPTED THE WARNING HAVE WEAKENED
AND NO LONGER APPEARED CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE
WEATHER...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. 
HOWEVER...STRONG STORMS WITH FREQUENT LIGHTNING AND GUSTY WINDS WILL 
STILL BE POSSIBLE IN THE AREA OVER THE NEXT HOUR. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY EVENING
FOR EASTERN FLORIDA.

LAT...LON 2897 8195 2896 8166 2905 8165 2902 8148
      2858 8180 2862 8196
TIME...MOT...LOC 2208Z 210DEG 23KT 2888 8172

$$


MOSES

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 2:41 PM EDT	Areal Flood Advisory	MLB	Brevard	109 min
Apr 14, 3:34 PM EDT	Special Weather Statement	MLB	Seminole, Volusia	56 min
Apr 14, 4:40 PM EDT	Special Weather Statement	MLB	Volusia	95 min
Apr 14, 4:46 PM EDT	Special Marine Warning	MLB		89 min
Apr 14, 5:08 PM EDT	Special Weather Statement	MLB	Lake	82 min
Apr 14, 5:53 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole, Volusia	52 min
Apr 14, 6:31 PM EDT	Special Weather Statement	MLB	Orange, Osceola	44 min
Apr 14, 6:38 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Seminole, Volusia	67 min
Apr 14, 6:41 PM EDT	Special Marine Warning	MLB		2 hr
Apr 14, 6:43 PM EDT	Special Weather Statement	MLB	Volusia	47 min
Apr 14, 6:43 PM EDT	Tornado Warning	MLB	Brevard, Orange, Seminole, Volusia	62 min
Apr 14, 6:58 PM EDT	Areal Flood Advisory	MLB	Volusia	2 hr
Apr 14, 7:24 PM EDT	Special Weather Statement	MLB	Brevard, Osceola	66 min
Apr 14, 7:36 PM EDT	Special Weather Statement	MLB	Orange, Seminole	39 min

Nearby

Tornado Warnings in Florida, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.