Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 5, NWS Melbourne, FL

April 14, 2009Orange County, Florida

NWS Melbourne, FL issued this tornado warning at Apr 14, 2009, 10:29 AM EDT for Orange County, Florida. It was in force for 31 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 14, 2009, 10:29 AM EDT (14:29 UTC)
Expired: Apr 14, 2009, 11:00 AM EDT
In force: 31 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Orange County, FL

The radar

The Melbourne radar (KMLB), 53 km from the middle of the area, began a volume at 14:32 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 14, 6:15 AM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.5 hours before the alert went out and 58 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: 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 141429
TORMLB
FLC095-141500-
/O.NEW.KMLB.TO.W.0005.090414T1429Z-090414T1500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1029 AM EDT TUE APR 14 2009

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ORANGE COUNTY IN FLORIDA...

* UNTIL 1100 AM EDT.

* AT 1028 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKE MARY  
JANE......MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  LAKE MARY JANE BY 1035 AM EDT...
  RURAL PORTIONS OF SOUTHEAST ORANGE COUNTY 1045 AM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

&&

LAT...LON 2851 8091 2835 8089 2834 8119 2834 8130
      2839 8132
TIME...MOT...LOC 1428Z 258DEG 28KT 2836 8124

$$


15

1 follow-up statement

000 
WWUS52 KMLB 141446
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1046 AM EDT TUE APR 14 2009

FLC095-141500-
/O.CON.KMLB.TO.W.0005.000000T0000Z-090414T1500Z/
ORANGE-
1046 AM EDT TUE APR 14 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR
SOUTHEASTERN ORANGE COUNTY...

AT 1043 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS STORM WAS LOCATED 10 MILES WEST OF LONE 
CABBAGE FISH CAMP. THE STORM WAS MOVING EAST AT 35 MPH.

THOSE ACROSS SOUTHEAST SECTIONS OF ORANGE COUNTY SHOULD SEEK SAFE 
SHELTER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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

&&

LAT...LON 2851 8091 2835 8089 2834 8119 2834 8130
      2839 8132
TIME...MOT...LOC 1443Z 258DEG 28KT 2838 8111

$$


15

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 11:17 PM EDT	Special Marine Warning	MLB		118 min
Apr 13, 11:27 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	23 min
Apr 14, 3:47 AM EDT	Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	16 hr
Apr 14, 5:25 AM EDT	Severe Thunderstorm Warning	MLB	Lake	32 min
Apr 14, 9:17 AM EDT	Tornado Warning	MLB	Lake, Orange	43 min
Apr 14, 9:51 AM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Osceola, Seminole, Volusia	54 min
Apr 14, 10:15 AM EDT	Special Marine Warning	MLB		2 hr
Apr 14, 10:24 AM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola, Seminole, Volusia	51 min
Apr 14, 10:53 AM EDT	Tornado Warning	MLB	Brevard	37 min
Apr 14, 11:07 AM EDT	Tornado Warning	MLB	Brevard	24 min
Apr 14, 12:27 PM EDT	Special Marine Warning	MLB		63 min
Apr 14, 1:30 PM EDT	Severe Thunderstorm Warning	MLB	Okeechobee, Saint Lucie	45 min
Apr 14, 1:32 PM EDT	Tornado Warning	MLB	Okeechobee, Saint Lucie	43 min
Apr 14, 1:50 PM EDT	Special Marine Warning	MLB		43 min
Apr 14, 2:13 PM EDT	Tornado Warning	MLB	Saint Lucie	13 min
Apr 14, 2:45 PM EDT	Fire Weather Watch	MLB	Lake, Orange, Osceola, Seminole, Volusia	13 hr

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.