Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 2, NWS Melbourne, FL

April 1, 2009Brevard County, Seminole County, Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Apr 1, 2009, 4:22 PM EDT for Brevard County, Seminole County, Volusia County, Florida. It was in force for 23 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 1, 2009, 4:22 PM EDT (20:22 UTC)
Expired: Apr 1, 2009, 4:45 PM EDT
In force: 23 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

Counties Brevard County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 77 km from the middle of the area, began a volume at 20:24 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 1, 1:24 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.4 hours before the alert went out and 54 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: 195 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 012022
TORMLB
FLC009-117-127-012045-
/O.NEW.KMLB.TO.W.0002.090401T2022Z-090401T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
422 PM EDT WED APR 1 2009

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BREVARD COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITY OF SCOTTSMOOR...
  EASTERN SEMINOLE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITY OF GENEVA...
  SOUTHEASTERN VOLUSIA COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITY OF MAYTOWN...

* UNTIL 445 PM EDT

* AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GENEVA...
  MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  6 MILES SOUTHWEST OF MAYTOWN AND 9 MILES WEST OF SCOTTSMOOR BY 445
  PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING ONE 
INCH HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 2886 8087 2878 8086 2873 8086 2861 8084
      2864 8117 2880 8116
TIME...MOT...LOC 2022Z 265DEG 15KT 2873 8113

$$


WEITLICH

1 follow-up statement

000 
WWUS52 KMLB 012031
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
431 PM EDT WED APR 1 2009

FLC009-117-127-012045-
/O.CON.KMLB.TO.W.0002.000000T0000Z-090401T2045Z/
SEMINOLE FL-VOLUSIA FL-BREVARD FL-
431 PM EDT WED APR 1 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
NORTHWESTERN BREVARD...SOUTHEASTERN VOLUSIA AND EASTERN SEMINOLE
COUNTIES...

AT 423 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR GENEVA...MOVING 
EAST AT 15 MPH. THIS TORNADO WILL CROSS STATE ROUTE 46 SOUTH OF LAKE 
HARNEY. THERE IS AN ADDITIONAL STORM TO THE SOUTHEAST OVER FAR 
SOUTHERN VOLUSIA COUNTY THAT IS ALSO SHOWING LOW LEVEL ROTATION AND 
COULD POSSIBLY PRODUCE A TORNADO AND SEVERE WINDS AT ANY MOMENT. 
BOTH STORMS ARE HEADING EAST TOWARD I-95 IN NORTHERN BREVARD COUNTY 
NORTH OF TITUSVILLE.  

THE TORNADO WILL BE NEAR...
  LAKE HARNEY BY 440 PM EDT...
  6 MILES SOUTHWEST OF MAYTOWN AND 9 MILES WEST OF SCOTTSMOOR BY 445
  PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2886 8087 2878 8086 2873 8086 2861 8084
      2864 8117 2880 8116
TIME...MOT...LOC 2024Z 265DEG 15KT 2873 8112

$$


WEITLICH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 8:33 PM EDT	Areal Flood Advisory	MLB	Volusia	87 min
Apr 1, 2:40 PM EDT	Special Marine Warning	MLB		80 min
Apr 1, 3:31 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole	44 min
Apr 1, 4:08 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Seminole, Volusia	56 min
Apr 1, 4:11 PM EDT	Special Marine Warning	MLB		109 min
Apr 1, 4:41 PM EDT	Tornado Warning	MLB	Brevard	15 min
Apr 1, 4:45 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange	34 min

Nearby

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