Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 3, NWS Melbourne, FL

April 1, 2009Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Apr 1, 2009, 4:41 PM EDT for Brevard County, Florida. It was in force for 15 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, 4:41 PM EDT (20:41 UTC)
Expired: Apr 1, 2009, 4:56 PM EDT
In force: 15 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 65 km from the middle of the area, began a volume at 20:41 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, 8.7 hours before the alert went out and 45 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 012041
TORMLB
FLC009-012130-
/O.NEW.KMLB.TO.W.0003.090401T2041Z-090401T2130Z/

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BREVARD COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...TITUSVILLE...SCOTTSMOOR...PLAYALINDA
  BEACH...MIMS...HAULOVER CANAL...

* UNTIL 530 PM EDT

* AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MIMS...  
MOVING EAST AT 20 MPH. AN EMERGENCY MANAGER REPORTED A TORNADO 
SIGHTING NEAR GENEVA WITH THIS STORM. PEOPLE IN TURNBULL AND MIMS 
SHOULD TAKE COVER NOW

* THE TORNADO WILL BE NEAR...
  MIMS AND 6 MILES SOUTH OF SCOTTSMOOR BY 450 PM EDT...
  7 MILES NORTH OF TITUSVILLE BY 455 PM EDT...
  HAULOVER CANAL BY 505 PM EDT...
  MERRITT ISLAND WILDLIFE REFUGE BY 515 PM EDT...
  KLONDIKE BEACH BY 520 PM EDT...
  PLAYALINDA BEACH BY 525 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZE 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 2859 8076 2868 8082 2858 8080 2858 8095
      2861 8099 2861 8097 2877 8096 2878 8085
      2868 8082 2867 8080 2871 8075 2878 8083
      2879 8078 2866 8067 2875 8073 2878 8074
      2878 8071 2859 8058
TIME...MOT...LOC 2038Z 264DEG 19KT 2868 8093

$$


WEITLICH

1 follow-up statement

000 
WWUS52 KMLB 012056
SVSMLB

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

FLC009-012106-
/O.CAN.KMLB.TO.W.0003.000000T0000Z-090401T2130Z/
BREVARD FL-
456 PM EDT WED APR 1 2009

...THE TORNADO WARNING FOR NORTHERN BREVARD COUNTY IS CANCELLED...

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...THUS THE WARNING HAS BEEN 
CANCELLED. HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING STRIKES WILL 
CONTINUE TO BE POSSIBLE.

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

LAT...LON 2859 8076 2868 8082 2858 8080 2858 8095
      2861 8099 2861 8097 2877 8096 2878 8085
      2868 8082 2867 8080 2871 8075 2878 8083
      2879 8078 2866 8067 2875 8073 2878 8074
      2878 8071 2859 8058
TIME...MOT...LOC 2056Z 264DEG 19KT 2869 8082

$$


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, 4:22 PM EDT	Tornado Warning	MLB	Brevard, Seminole, Volusia	23 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.