Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 30, NWS Melbourne, FL

November 30, 2008Orange County, Seminole County, Florida

NWS Melbourne, FL issued this tornado warning at Nov 30, 2008, 12:54 PM EST for Orange County, Seminole County, Florida. It was in force for 39 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
Nov 30, 2008, 12:54 PM EST (17:54 UTC)
Expired
Nov 30, 2008, 1:33 PM EST
In force
39 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Orange County, FL, Seminole County, FL

The radar

The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 17:56 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
Nov 30, 9:51 AM ESTTornado WatchSPC7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 5.9 hours before the alert went out and 79 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 2008-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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, Cape Canaveral, FL at 12:00Z on 2008-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 square meters per square second.1939587897117Sfc1 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
70 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
437 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 301754
TORMLB
FLC095-117-301900-
/O.NEW.KMLB.TO.W.0030.081130T1754Z-081130T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1254 PM EST SUN NOV 30 2008

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN ORANGE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...HOLLYWOOD STUDIOS...WINTER PARK...  
ORLANDO...OAK RIDGE...MAITLAND...FAIRVIEW SHORES...  EPCOT...AZALEA 
PARK...
  CENTRAL SEMINOLE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...WINTER SPRINGS...OVIEDO...LAKE
  JESSUP...GOLDENROD...GENEVA...CASSELBERRY...

* UNTIL 200 PM EST

* AT 1251 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES   WEST 
OF CELEBRATION. THIS TORNADO WAS MOVING NORTHEAST AT 40 MPH. ANOTHER 
STORM NEAR MAITLAND WAS ALSO SHOWING STRONG ROTATION AND MAY DEVELOP 
A TORNADO.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PALM
  SHADOWS...MULLET LAKE PARK...LAKE HARNEY...FAIRVILLA...EATONVILLE
  AND ALOMA

THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME. PEOPLE IN
THE PATH OF THIS STORM SHOULD ACT NOW IN ORDER TO PROTECT THEMSELVES.
DO NOT WAIT FOR THE TORNADO TO DEVELOP BEFORE ACTING...YOU MAY NOT
SEE OR HEAR ITS APPROACH. DO NOT GET CAUGHT OFF GUARD

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.

IF YOU EXPERIENCE SEVERE WEATHER...PLEASE RELAY YOUR REPORT TO LOCAL 
LAW ENFORCEMENT AND ASK THEM TO PASS IT ALONG TO THE NATIONAL WEATHER
SERVICE. OR YOU MAY CALL THE MELBOURNE WEATHER OFFICE DIRECTLY AT 
THIS NUMBER 1 800 683 4468. YOUR TIMELY REPORT COULD SAVE SOMEONES 
LIFE

LAT...LON 2883 8123 2879 8119 2879 8115 2881 8112
      2877 8106 2874 8106 2834 8150 2834 8165
      2835 8165
TIME...MOT...LOC 1753Z 180DEG 0KT 2855 8163

$$

15
2 follow-up statements
000 
WWUS52 KMLB 301818
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
118 PM EST SUN NOV 30 2008

FLC095-117-301900-
/O.CON.KMLB.TO.W.0030.000000T0000Z-081130T1900Z/
ORANGE FL-SEMINOLE FL-
115 PM EST SUN NOV 30 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM EST FOR CENTRAL
SEMINOLE AND WESTERN ORANGE COUNTIES...

AT 1255 PM EST...THE PUBLIC REPORTED A TORNADO NEAR THE 
INTERERSECTION OF OLD LAKE WILSON ROAD AND US 1 92. THE TORNADO WAS 
REPORTED TO HAVE DONE MINOR DAMAGE TO A VEHICLE. THE THUNDERSTORM 
THAT PRODUCED THIS TORNADO HAS MOVED NORTHEAST TOWARD AZALEA PARK 
BUT THE ROTATION HAS WEAKENED...THOUGH THE CELL COULD STILL PRODUCE 
A TORNADO. ANOTHER THUNDERSTORM WITH ROTATION CAPABLE OF PRODUCING A 
TORNADO WAS LOCATED ABOUT 10 MILES WEST OF LAKE HARNEY AT 115 PM.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTER
SPRINGS...WINTER PARK...PALM SHADOWS...OVIEDO...MULLET LAKE PARK...
MIDWAY...MAITLAND...LAKE JESSUP...GOLDENROD...GENEVA...FERN PARK...
FAIRVILLA...FAIRVIEW SHORES...EATONVILLE...CASSELBERRY AND ALOMA

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST SUNDAY EVENING FOR
EAST CENTRAL FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
500 PM EST SUNDAY AFTERNOON FOR EAST CENTRAL FLORIDA.

LAT...LON 2883 8123 2879 8119 2879 8115 2881 8112
      2877 8106 2874 8106 2834 8150 2834 8165
      2835 8165
TIME...MOT...LOC 1812Z 180DEG 0KT 2855 8163

$$

15
000 
WWUS52 KMLB 301833
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
133 PM EST SUN NOV 30 2008

FLC095-117-301841-
/O.CAN.KMLB.TO.W.0030.000000T0000Z-081130T1900Z/
ORANGE FL-SEMINOLE FL-
131 PM EST SUN NOV 30 2008

...THE TORNADO WARNING FOR CENTRAL SEMINOLE AND WESTERN ORANGE
COUNTIES IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE STORM
THAT PROMPTED THE WARNING HAD WEAKENED AND EXITED THE WARNING AREA...
THUS THE WARNING HAS BEEN CANCELLED. ADDITIONAL STRONG THUNDERSTORMS 
CAPABLE OF PRODUCING ROTATION WILL BE POSSIBLE ACROSS EASTERN AND
CENTRAL SECTIONS OF ORANGE AND SEMINOLE COUNTIES THROUGH LATE 
AFTERNOON. LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST SUNDAY EVENING FOR
EAST CENTRAL FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
500 PM EST SUNDAY AFTERNOON FOR EAST CENTRAL FLORIDA.

LAT...LON 2883 8123 2879 8119 2879 8115 2881 8112
      2877 8106 2874 8106 2834 8150 2834 8165
      2835 8165
TIME...MOT...LOC 1831Z 180DEG 0KT 2855 8163

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 3:40 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr
Nov 30, 12:24 PM ESTSevere Thunderstorm WarningMLBIndian River, Saint Lucie27 min
Nov 30, 1:23 PM ESTSpecial Marine WarningMLB82 min
Nov 30, 1:35 PM ESTTornado WarningMLBVolusia25 min
Nov 30, 1:49 PM ESTTornado WarningMLBBrevard, Volusia31 min
Nov 30, 2:13 PM ESTSpecial Marine WarningMLB42 min
Nov 30, 2:50 PM ESTSevere Thunderstorm WarningMLBBrevard, Osceola55 min
Nov 30, 2:53 PM ESTSpecial Marine WarningMLB112 min
Nov 30, 2:59 PM ESTSevere Thunderstorm WarningMLBIndian River, Okeechobee48 min
Nov 30, 3:09 PM ESTSevere Thunderstorm WarningMLBBrevard36 min
Nov 30, 3:45 PM ESTSevere Thunderstorm WarningMLBBrevard, Indian River, Okeechobee, Saint Lucie45 min
Nov 30, 4:32 PM ESTSevere Thunderstorm WarningMLBMartin, Saint Lucie56 min
Nov 30, 4:41 PM ESTSpecial Marine WarningMLB2 hr

Nearby

Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008

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.