Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 18, NWS Melbourne, FL

July 24, 2007Lake County, Florida

NWS Melbourne, FL issued this tornado warning at Jul 24, 2007, 7:29 PM EDT for Lake County, Florida. It was in force for 12 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
Jul 24, 2007, 7:29 PM EDT (23:29 UTC)
Expired
Jul 24, 2007, 7:41 PM EDT
In force
12 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Lake County, FL

The radar

The Melbourne radar (KMLB), 120 km from the middle of the area, began a volume at 23:30 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 11.5 hours before the alert went out and 121 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, Cape Canaveral, FL at 12:00Z on 2007-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1873 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, Cape Canaveral, FL at 12:00Z on 2007-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
1873 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
22 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 242330
TORMLB
FLC069-250000-
/O.NEW.KMLB.TO.W.0018.070724T2329Z-070725T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
729 PM EDT TUE JUL 24 2007

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LAKE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITY OF FERNDALE...

* UNTIL 800 PM EDT

* AT 728 PM EDT...A LAKE COUNTY SHIERRIF REPORTED A TORNADO NEAR   
FERNDALE. THE CELLS WAS DRIFTING EAST AT 5 MPH.

* THE TORNADO WILL BE NEAR...
  MONTVERDE AND KILLARNEY BY 740 PM EDT...

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 2856 8168 2856 8178 2871 8178 2874 8175
      2874 8168

$$
1 follow-up statement
000 
WWUS52 KMLB 242341
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
738 PM EDT TUE JUL 24 2007

FLC069-242348-
/O.CAN.KMLB.TO.W.0018.000000T0000Z-070725T0000Z/
LAKE FL-
738 PM EDT TUE JUL 24 2007

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

AT 738 PM...THE SHERIFFS DEPUTY TRACKING THE CELL THAT HAD PRODUCED 
MULITPLE FUNNEL CLOUDS AND WATERSPOUTS NEAR FERNDALE AND OVER LAKE 
APOPKA REPORTED THAT ANY TORNADIC ACTIVITY ASSOCIATED WITH THE CELL
HAD DISSIPATED.

RADAR SHOWS A CLUSTER OF SHOWERS OUT OVER LAKE APOPKA MOVING 
NORTHEAST TOWARD THE PLYMOUTH AND APOPKA AREA. PLEASE REPORT ANY 
SIGHTNINGS OF FUNNEL CLOUDS TO YOUR LOCAL LAW ENFORCMENT AGENCY
OR TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2856 8168 2856 8178 2871 8178 2874 8175
      2874 8168

$$


CRISTALDI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 1:35 PM EDTSpecial Marine WarningMLB55 min
Jul 24, 2:17 PM EDTSpecial Marine WarningMLB88 min
Jul 24, 3:40 PM EDTSpecial Marine WarningMLB2 hr

Nearby

Tornado Warnings in Florida, 2007Every tornado warning in 2007Tornadoes in 2007

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.