Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 29, NWS Melbourne, FL

October 9, 2008Lake County, Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Oct 9, 2008, 4:51 PM EDT for Lake County, Volusia County, Florida. It was in force for 54 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: Oct 9, 2008, 4:51 PM EDT (20:51 UTC)
Expired: Oct 9, 2008, 5:45 PM EDT
In force: 54 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

Counties Lake County, FL, Volusia County, FL

What was reported inside it

Time	Report	Where	Remark
Oct 9, 5:05 PM EDT	HAIL 0.75	4 Nne Cassia, FL	CIRCLE K STORE NEAR SR44
Oct 9, 5:25 PM EDT	TSTM WND DMG	De Bary, FL	TREES DOWN - PUBLIC REPORT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.9 hours before the alert went out and 94 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: 1590 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 679 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: -3 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 092051
TORMLB
FLC069-127-092145-
/O.NEW.KMLB.TO.W.0029.081009T2051Z-081009T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
451 PM EDT THU OCT 9 2008

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL LAKE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...PAISLEY...MOUNT PLYMOUTH...CASSIA...

  CENTRAL VOLUSIA COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...OSTEEN...ORANGE CITY...LAKE MONROE...
  LAKE HELEN...DELTONA...DE LAND...

* UNTIL 545 PM EDT

* AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CASSIA...
  MOVING EAST-NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  DE BARY BY 515 PM EDT...
  ORANGE CITY...6 MILES NORTH OF LAKE MONROE AND 7 MILES SOUTH OF DE
  LAND BY 520 PM EDT...
  LAKE HELEN AND DELTONA BY 530 PM EDT...
  8 MILES NORTH OF OSTEEN BY 535 PM EDT...

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.

LAT...LON 2914 8110 2887 8102 2883 8128 2884 8135
      2887 8136 2883 8141 2881 8141 2878 8157
      2898 8163
TIME...MOT...LOC 2051Z 256DEG 23KT 2889 8149

$$


CRISTALDI

2 follow-up statements

000 
WWUS52 KMLB 092110 RRA
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
510 PM EDT THU OCT 9 2008

FLC069-127-092145-
/O.CON.KMLB.TO.W.0029.000000T0000Z-081009T2145Z/
LAKE FL-VOLUSIA FL-
508 PM EDT THU OCT 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
VOLUSIA AND EAST CENTRAL LAKE COUNTIES...

AT 508 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 
3 MILES EAST OF CASSIA...MOVING EAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  DE BARY BY 515 PM EDT...
  ORANGE CITY...ENTERPRISE...DE LAND SOUTHWEST AND 6 MILES NORTH OF
  LAKE MONROE BY 520 PM EDT...
  CASSADAGA...LAKE HELEN AND DELTONA BY 530 PM EDT...
  LAKE ASHBY BY 545 PM EDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR IS INDICATING VERY STRONG 
ROTATION. A VIOLENT TORNADO MAY FORM AT ANY TIME AS THIS 
THUNDERSTORM MOVES TOWARD DE BARY. NOW IS THE TIME TO TAKE COVER IN 
THE DE BARY AREA. TAKE COVER NOW. TAKE COVER NOW.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY 
ALREADY BE ON THE GROUND.IF YOU ARE IN THE PATH OF THIS DANGEROUS 
STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY 
AWAY FROM WINDOWS. I

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 2914 8110 2887 8102 2883 8128 2884 8135
      2887 8136 2883 8141 2881 8141 2878 8157
      2898 8163
TIME...MOT...LOC 2108Z 256DEG 23KT 2892 8137

$$

MRV

000 
WWUS52 KMLB 092147
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
547 PM EDT THU OCT 9 2008

FLC069-127-092156-
/O.EXP.KMLB.TO.W.0029.000000T0000Z-081009T2145Z/
LAKE FL-VOLUSIA FL-
546 PM EDT THU OCT 9 2008

...THE TORNADO WARNING FOR CENTRAL VOLUSIA AND EAST CENTRAL LAKE
COUNTIES HAS EXPIRED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE STORM AND
TORNADO THAT PROMPTED THE WARNING HAD WEAKENED AND NO LONGER APPEARED
CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE WEATHER...THUS THE
WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...HEAVY RAIN AND 
DANGEROUS LIGHTNING STRIKES WILL CONTINUE TO BE POSSIBLE AS STORMS 
MOVE EAST ACROSS VOLUSIA AND SEMINOLE COUNTIES.

LAT...LON 2914 8110 2887 8102 2883 8128 2884 8135
      2887 8136 2883 8141 2881 8141 2878 8157
      2898 8163
TIME...MOT...LOC 2110Z 256DEG 23KT 2892 8136

$$

JP

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 9, 3:50 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Volusia	40 min
Oct 9, 3:52 PM EDT	Severe Thunderstorm Warning	MLB	Lake	68 min
Oct 9, 4:25 PM EDT	Special Marine Warning	MLB		95 min
Oct 9, 4:30 PM EDT	Tornado Warning	MLB	Volusia	60 min
Oct 9, 5:30 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	60 min
Oct 9, 5:49 PM EDT	Areal Flood Advisory	MLB	Lake, Seminole, Volusia	116 min
Oct 9, 5:58 PM EDT	Special Marine Warning	MLB		62 min
Oct 9, 6:31 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Seminole, Volusia	59 min
Oct 9, 6:38 PM EDT	Severe Thunderstorm Warning	MLB	Orange	57 min
Oct 9, 6:54 PM EDT	Special Marine Warning	MLB		96 min
Oct 9, 7:33 PM EDT	Areal Flood Advisory	MLB	Brevard, Orange, Seminole	57 min

Nearby

Tornado Warnings in Florida, 2008 Every tornado warning in 2008 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.