Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 2, NWS Melbourne, FL

January 17, 2011Brevard County, Orange County, Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 17, 2011, 12:42 PM EST for Brevard County, Orange County, Osceola County, Florida. It was in force for 63 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
Jan 17, 2011, 12:42 PM EST (17:42 UTC)
Expired
Jan 17, 2011, 1:45 PM EST
In force
63 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Brevard County, FL, Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 35 km from the middle of the area, began a volume at 17:44 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.

IssuedProductOfficeLasted
Jan 17, 11:54 AM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 5.7 hours before the alert went out and 23 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 2011-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1230 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
256 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.

878 
WFUS52 KMLB 171742
TORMLB
FLC009-095-097-171845-
/O.NEW.KMLB.TO.W.0002.110117T1742Z-110117T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1242 PM EST MON JAN 17 2011

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BREVARD COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...SHARPES...PORT CANAVERAL...MERRITT
  ISLAND...CAPE CANAVERAL...TITUSVILLE AIRPORT...ROCKLEDGE...PORT
  SAINT JOHN...PLAYALINDA BEACH...LONE CABBAGE FISH CAMP...COCOA
  BEACH...COCOA...
  SOUTHEASTERN ORANGE COUNTY IN FLORIDA...
  NORTHERN OSCEOLA COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF HOLOPAW...

* UNTIL 145 PM EST.

* AT 1240 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES        
  SOUTHWEST OF HARMONY...MOVING  NORTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SUNTREE...VIERA...CANAVERAL GROVES...MERRITT ISLAND WILDLIFE REFUGE
  AND THE FLORIDA TURNPIKE BETWEEN MILE MARKER 220 AND 230.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER 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 2840 8059 2826 8060 2824 8062 2839 8063
      2855 8058 2858 8060 2843 8066 2823 8064
      2791 8125 2803 8140 2858 8080 2858 8079
      2834 8072 2860 8073 2861 8077 2867 8066
      2870 8067 2846 8052
TIME...MOT...LOC 1742Z 220DEG 32KT 2806 8124

$$


MOSES
3 follow-up statements
796 
WWUS52 KMLB 171813
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
113 PM EST MON JAN 17 2011

FLC095-171820-
/O.CAN.KMLB.TO.W.0002.000000T0000Z-110117T1845Z/
ORANGE-
113 PM EST MON JAN 17 2011

...THE TORNADO WARNING FOR SOUTHEASTERN ORANGE COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST MONDAY EVENING FOR
EAST CENTRAL FLORIDA.

LAT...LON 2824 8062 2838 8062 2840 8063 2841 8066
      2823 8064 2791 8125 2802 8138 2834 8099
      2834 8088 2841 8090 2850 8077 2834 8072
      2853 8073 2861 8061 2840 8063 2857 8059
      2853 8056 2846 8052
TIME...MOT...LOC 1810Z 254DEG 26KT 2808 8101

$$

FLC009-097-171845-
/O.CON.KMLB.TO.W.0002.000000T0000Z-110117T1845Z/
OSCEOLA-BREVARD-
113 PM EST MON JAN 17 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EST FOR NORTHERN
BREVARD AND NORTHERN OSCEOLA COUNTIES...

AT 107 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED NEAR FOREVER FLORIDA...OR
NEAR HOLOPAW...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LONE 
CABBAGE FISH CAMP...VIERA...SUNTREE...MERRITT 
ISLAND...ROCKLEDGE...PINEDA...GEORGIANA...COCOA 
BEACH...COCOA...INTERSTATE 95 BETWEEN MILE MARKERS 183 AND 202 AND 
US 192 EAST OF HOLOPAW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST MONDAY EVENING FOR
EAST CENTRAL FLORIDA.

&&

LAT...LON 2824 8062 2838 8062 2840 8063 2841 8066
      2823 8064 2791 8125 2802 8138 2834 8099
      2834 8088 2841 8090 2850 8077 2834 8072
      2853 8073 2861 8061 2840 8063 2857 8059
      2853 8056 2846 8052
TIME...MOT...LOC 1810Z 254DEG 26KT 2808 8101

$$


MOSES
279 
WWUS52 KMLB 171838
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
138 PM EST MON JAN 17 2011

FLC097-171847-
/O.CAN.KMLB.TO.W.0002.000000T0000Z-110117T1845Z/
OSCEOLA-
138 PM EST MON JAN 17 2011

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST MONDAY EVENING FOR
EAST CENTRAL FLORIDA.

LAT...LON 2812 8086 2834 8087 2837 8075 2834 8072
      2841 8066 2832 8065 2827 8066 2827 8065
      2825 8065 2823 8064
TIME...MOT...LOC 1837Z 254DEG 26KT 2831 8075 2810 8078

$$

FLC009-171845-
/O.CON.KMLB.TO.W.0002.000000T0000Z-110117T1845Z/
BREVARD-
138 PM EST MON JAN 17 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EST FOR CENTRAL
BREVARD COUNTY...

AT 135 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A LINE OF STRONG STORMS CAPABLE OF PRODUCING A TORNADO.  
THESE STRONG STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 
ROCKLEDGE TO CAMP HOLLY FISH CAMP...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SPACE
COAST STADIUM...VIERA...PORT CANAVERAL...MERRITT ISLAND...JETTY
PARK...CAPE CANAVERAL...PINEDA...GEORGIANA AND COCOA BEACH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST MONDAY EVENING FOR
EAST CENTRAL FLORIDA. 

&&

LAT...LON 2812 8086 2834 8087 2837 8075 2834 8072
      2841 8066 2832 8065 2827 8066 2827 8065
      2825 8065 2823 8064
TIME...MOT...LOC 1837Z 254DEG 26KT 2831 8075 2810 8078

$$


MOSES
649 
WWUS52 KMLB 171846
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
146 PM EST MON JAN 17 2011

FLC009-171856-
/O.EXP.KMLB.TO.W.0002.000000T0000Z-110117T1845Z/
BREVARD-
146 PM EST MON JAN 17 2011

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

THE SEVERE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND IS 
MOVING OFF THE COAST INTO THE NEARSHORE ATLANTIC...THUS THE WARNING 
HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST MONDAY EVENING FOR
EAST CENTRAL FLORIDA.

LAT...LON 2812 8086 2834 8087 2837 8075 2834 8072
      2841 8066 2832 8065 2827 8066 2827 8065
      2825 8065 2823 8064
TIME...MOT...LOC 1838Z 254DEG 26KT 2831 8074 2810 8077

$$


MOSES

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 3:35 AM ESTSmall Craft Advisory for WindsMLB24 hr
Jan 17, 10:42 AM ESTSpecial Marine WarningMLB93 min
Jan 17, 10:42 AM ESTSpecial Weather StatementMLBSeminole63 min
Jan 17, 10:49 AM ESTTornado WarningMLBBrevard, Orange56 min
Jan 17, 12:08 PM ESTSpecial Marine WarningMLB112 min
Jan 17, 12:23 PM ESTSpecial Weather StatementMLBBrevard, Osceola52 min
Jan 17, 1:10 PM ESTSpecial Weather StatementMLBOsceola65 min
Jan 17, 1:59 PM ESTSpecial Marine WarningMLB2 hr
Jan 17, 2:14 PM ESTSpecial Weather StatementMLBIndian River61 min

Nearby

Tornado Warnings in Florida, 2011Every tornado warning in 2011Tornadoes in 2011

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.