Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 6, NWS Melbourne, FL

April 14, 2009Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Apr 14, 2009, 10:53 AM EDT for Brevard County, Florida. It was in force for 37 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
Apr 14, 2009, 10:53 AM EDT (14:53 UTC)
Expired
Apr 14, 2009, 11:30 AM EDT
In force
37 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 19 km from the middle of the area, began a volume at 14:53 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.

What was reported inside it

TimeReportWhereRemark
Apr 14, 11:05 AM EDTTSTM WND DMGRockledge, FLSTRAIGHT LINE WINDS TOOK DOWN HAM RADIO ANTENNA.
Apr 14, 11:08 AM EDTTSTM WND GST 64Rockledge, FL54 FOOT LEVEL USAF TOWER IN ROCKLEDGE.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 14, 6:15 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.9 hours before the alert went out and 31 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 2009-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2009-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.19395878Sfc1 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
101 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
1049 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
155 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 141453
TORMLB
FLC009-141530-
/O.NEW.KMLB.TO.W.0006.090414T1453Z-090414T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1053 AM EDT TUE APR 14 2009

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BREVARD COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...VIERA...ROCKLEDGE...

* UNTIL 1130 AM EDT.

* AT 1052 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
  VIERA...OR 9 MILES SOUTH OF LONE CABBAGE FISH CAMP...MOVING EAST AT
  35 MPH.

* THE TORNADO WILL BE NEAR...
  VIERA...1110 AM EDT...
  ROCKLEDGE 1110 AM EDT...
  SUNTREE BY 1115 AM EDT...

  PATRICK AIRFORCE BASE AND COCOA BEACH BY 1120 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 2821 8063 2820 8063 2821 8087 2829 8087
      2833 8072 2828 8069 2833 8071 2835 8066
      2831 8065 2829 8066 2821 8063 2828 8061
      2834 8064 2837 8059 2820 8060
TIME...MOT...LOC 1452Z 261DEG 32KT 2824 8089

$$


15
2 follow-up statements
000 
WWUS52 KMLB 141504
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1104 AM EDT TUE APR 14 2009

FLC009-141530-
/O.CON.KMLB.TO.W.0006.000000T0000Z-090414T1530Z/
BREVARD-
1104 AM EDT TUE APR 14 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT FOR CENTRAL
BREVARD COUNTY...

AT 1103 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR 
ROCKLEDGE...MOVING EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  ROCKLEDGE NOW...
  PATRICK AIRFORCE BASE AND COCOA BEACH BY 1110 AM EDT...
  COCOA BEACH 1110 AM EDT...

THOSE IN ROCKLEDGE AND COCOA BEACH SHOULD TAKE COVER NOW
TAKE COVER NOW TAKE COVER NOW

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT TUESDAY AFTERNOON
FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2821 8063 2820 8063 2821 8087 2829 8087
      2833 8072 2828 8069 2833 8071 2835 8066
      2831 8065 2829 8066 2821 8063 2828 8061
      2834 8064 2837 8059 2820 8060
TIME...MOT...LOC 1503Z 261DEG 32KT 2825 8078

$$


15
000 
WWUS52 KMLB 141532
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1132 AM EDT TUE APR 14 2009

FLC009-141542-
/O.EXP.KMLB.TO.W.0006.000000T0000Z-090414T1530Z/
BREVARD-
1132 AM EDT TUE APR 14 2009

...THE TORNADO WARNING FOR CENTRAL BREVARD COUNTY HAS EXPIRED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE STORM 
THAT PROMPTED THE WARNING HAD MOVE EAST ACROSS THE ATLANTIC WATERS...THUS 
THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT TUESDAY AFTERNOON
FOR EAST CENTRAL FLORIDA.

LAT...LON 2821 8063 2820 8063 2821 8087 2829 8087
      2833 8072 2828 8069 2833 8071 2835 8066
      2831 8065 2829 8066 2821 8063 2828 8061
      2834 8064 2837 8059 2820 8060
TIME...MOT...LOC 1504Z 261DEG 32KT 2825 8077

$$


15

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 11:17 PM EDTSpecial Marine WarningMLB118 min
Apr 13, 11:27 PM EDTSevere Thunderstorm WarningMLBVolusia23 min
Apr 14, 3:47 AM EDTWind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia16 hr
Apr 14, 5:25 AM EDTSevere Thunderstorm WarningMLBLake32 min
Apr 14, 9:17 AM EDTTornado WarningMLBLake, Orange43 min
Apr 14, 9:51 AM EDTSevere Thunderstorm WarningMLBLake, Orange, Osceola, Seminole, Volusia54 min
Apr 14, 10:15 AM EDTSpecial Marine WarningMLB2 hr
Apr 14, 10:24 AM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola, Seminole, Volusia51 min
Apr 14, 10:29 AM EDTTornado WarningMLBOrange31 min
Apr 14, 11:07 AM EDTTornado WarningMLBBrevard24 min
Apr 14, 12:27 PM EDTSpecial Marine WarningMLB63 min
Apr 14, 1:30 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Saint Lucie45 min
Apr 14, 1:32 PM EDTTornado WarningMLBOkeechobee, Saint Lucie43 min
Apr 14, 1:50 PM EDTSpecial Marine WarningMLB43 min
Apr 14, 2:13 PM EDTTornado WarningMLBSaint Lucie13 min
Apr 14, 2:45 PM EDTFire Weather WatchMLBLake, Orange, Osceola, Seminole, Volusia13 hr

Nearby

Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.