Alert archive / Florida / Tornado Warnings in 2014

Tornado Warning 12, NWS Melbourne, FL

May 15, 2014Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at May 15, 2014, 3:00 PM EDT for Volusia County, Florida. It was in force for 45 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
May 15, 2014, 3:00 PM EDT (19:00 UTC)
Expired
May 15, 2014, 3:45 PM EDT
In force
45 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 101 km from the middle of the area, began a volume at 19:00 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, 7.0 hours before the alert went out and 72 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 2014-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 352 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 2014-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
352 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
78 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.

964 
WFUS52 KMLB 151900
TORMLB
FLC127-151945-
/O.NEW.KMLB.TO.W.0012.140515T1900Z-140515T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
300 PM EDT THU MAY 15 2014

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL VOLUSIA COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...OAK HILL...NEW SMYRNA BEACH...
  EDGEWATER...

* UNTIL 345 PM EDT.

* AT 255 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES WEST 
OF FARMTON OR 14 MILES SOUTHWEST OF EDGEWATER...MOVING NORTHEAST AT 
25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
FARMTON...EDGEWATER AND NEW SMYRNA BEACH.

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 2910 8092 2908 8093 2907 8090 2904 8088
      2903 8089 2890 8079 2889 8080 2882 8109
      2883 8110 2887 8113 2910 8094
TIME...MOT...LOC 1859Z 238DEG 9KT 2885 8107

$$


15
2 follow-up statements
926 
WWUS52 KMLB 151913
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
313 PM EDT THU MAY 15 2014

FLC127-151945-
/O.CON.KMLB.TO.W.0012.000000T0000Z-140515T1945Z/
VOLUSIA-
313 PM EDT THU MAY 15 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR EAST
CENTRAL VOLUSIA COUNTY...

AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG ROTATION 3 MILES EAST OF FARMTON AND 5 MILES WEST OF 
NEW SMYRNA BEACH WITH ANOTHER STORM IN THE TORNADO WARNING AREA. 
THESE STORMS MAY PRODUCE A TORNADO AS THEY MOVE NORTHEAST AT 20 MPH. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW 
SMYRNA BEACH...NEW SMYRNA BEACH 
AIRPORT...ELDORA...EDGEWATER...BETHUNE BEACH AND APOLLO BEACH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE SHELTER NOW IN A STRUDY STRUCTURE ACROSS EAST CENTRAL VOLUSIA 
COUNTY.

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.

&&

LAT...LON 2910 8092 2908 8093 2907 8090 2904 8088
      2903 8089 2890 8079 2889 8080 2882 8109
      2883 8110 2887 8113 2910 8094
TIME...MOT...LOC 1910Z 238DEG 9KT 2886 8104

$$


15
887 
WWUS52 KMLB 151945
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
345 PM EDT THU MAY 15 2014

FLC127-151955-
/O.EXP.KMLB.TO.W.0012.000000T0000Z-140515T1945Z/
VOLUSIA-
345 PM EDT THU MAY 15 2014

...THE TORNADO WARNING FOR EAST CENTRAL VOLUSIA COUNTY HAS EXPIRED...

THE SEVERE STORM THAT PROMPTED THE WARNING HAD PUSHED INTO THE 
ATLANTIC AND EXITED THE WARNING AREA...THUS THE WARNING HAS BEEN 
ALLOWED TO EXPIRE.

LAT...LON 2910 8092 2908 8093 2907 8090 2904 8088
      2903 8089 2890 8079 2889 8080 2882 8109
      2883 8110 2887 8113 2910 8094
TIME...MOT...LOC 1913Z 238DEG 9KT 2886 8103

$$





15

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 2:05 PM EDTSpecial Marine WarningMLB55 min
May 15, 2:10 PM EDTSpecial Weather StatementMLBIndian River35 min
May 15, 2:37 PM EDTSpecial Weather StatementMLBOrange, Seminole, Volusia38 min
May 15, 2:49 PM EDTSpecial Weather StatementMLBIndian River56 min
May 15, 3:08 PM EDTSpecial Weather StatementMLBSeminole37 min
May 15, 3:17 PM EDTSpecial Marine WarningMLB118 min
May 15, 3:21 PM EDTSevere Thunderstorm WarningMLBOrange, Seminole54 min
May 15, 3:35 PM EDTSpecial Marine WarningMLB85 min
May 15, 3:37 PM EDTSevere Thunderstorm WarningMLBBrevard, Volusia53 min
May 15, 3:42 PM EDTSpecial Weather StatementMLBBrevard48 min
May 15, 4:04 PM EDTTornado WarningMLBBrevard, Volusia26 min
May 15, 4:30 PM EDTSpecial Weather StatementMLBBrevard45 min
May 15, 5:10 PM EDTAreal Flood AdvisoryMLBBrevard, Volusia110 min
May 15, 6:59 PM EDTAreal Flood AdvisoryMLBBrevard2 hr

Nearby

Tornado Warnings in Florida, 2014Every tornado warning in 2014Tornadoes in 2014

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.