Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 23, NWS Melbourne, FL

July 24, 2009Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Jul 24, 2009, 6:03 PM EDT for Volusia County, Florida. It was in force for 27 min. 1 report 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
Jul 24, 2009, 6:03 PM EDT (22:03 UTC)
Expired
Jul 24, 2009, 6:30 PM EDT
In force
27 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 22:05 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
Jul 24, 6:25 PM EDTTORNADOPort Orange, FLSEVERAL REPORTS OF DAMAGE TO MOBILE HOMES IN THE LAUREL WOOD MOBILE HOME PARK. 6-12 INCH DIAMETER TREES ALSO SNAPPED.

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, 10.1 hours before the alert went out and 85 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 2009-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2009-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 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
109 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
28 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 242203
TORMLB
FLC127-242230-
/O.NEW.KMLB.TO.W.0023.090724T2203Z-090724T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
603 PM EDT FRI JUL 24 2009

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL VOLUSIA COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...NEW SMYRNA BEACH...SOUTH DAYTONA...
  PORT ORANGE...PONCE INLET...ORMOND BEACH...HOLLY HILL...
  EDGEWATER...DAYTONA BEACH...

* UNTIL 630 PM EDT.

* AT 602 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR DAYTONA
  BEACH...MOVING SOUTHEAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  SOUTH DAYTONA BY 620 PM EDT...
  WILBUR BY THE SEA...PORT ORANGE AND PONCE INLET BY 630 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.


&&

LAT...LON 2925 8100 2915 8096 2910 8091 2908 8091
      2906 8089 2901 8086 2899 8086 2891 8095
      2924 8113 2931 8104
TIME...MOT...LOC 2203Z 322DEG 8KT 2921 8101

$$


52
1 follow-up statement
000 
WWUS52 KMLB 242214
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
614 PM EDT FRI JUL 24 2009

FLC127-242230-
/O.CON.KMLB.TO.W.0023.000000T0000Z-090724T2230Z/
VOLUSIA-
614 PM EDT FRI JUL 24 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR EAST
CENTRAL VOLUSIA COUNTY...

AT 612 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SOUTH DAYTONA... 
MOVING SOUTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WILBUR BY THE SEA...PORT ORANGE...PONCE INLET...AND DAYTONA BEACH 
SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
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 2920 8107 2926 8102 2925 8100 2915 8096
      2910 8091 2908 8091 2906 8089 2901 8086
      2899 8086 2891 8095
TIME...MOT...LOC 2212Z 318DEG 8KT 2921 8102

$$


52

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 4:51 PM EDTSpecial Marine WarningMLB54 min
Jul 24, 5:52 PM EDTSpecial Marine WarningMLB53 min
Jul 24, 6:28 PM EDTTornado WarningMLBVolusia32 min
Jul 24, 6:54 PM EDTSevere Thunderstorm WarningMLBSeminole, Volusia51 min
Jul 24, 6:59 PM EDTTornado WarningMLBVolusia31 min
Jul 24, 7:19 PM EDTAreal Flood AdvisoryMLBSeminole, Volusia101 min
Jul 24, 7:43 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Seminole, Volusia62 min

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.