Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 5, NWS Melbourne, FL

January 25, 2011Okeechobee County, Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 25, 2011, 6:08 PM EST for Okeechobee County, Osceola County, Florida. It was in force for 52 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 25, 2011, 6:08 PM EST (23:08 UTC)
Expired: Jan 25, 2011, 7:00 PM EST
In force: 52 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

Counties Okeechobee County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 65 km from the middle of the area, began a volume at 23:09 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
Jan 25, 2:07 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 11.1 hours before the alert went out and 106 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1132 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 288 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.

689 
WFUS52 KMLB 252308
TORMLB
FLC093-097-260000-
/O.NEW.KMLB.TO.W.0005.110125T2308Z-110126T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
608 PM EST TUE JAN 25 2011

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN OKEECHOBEE COUNTY IN FLORIDA...
  SOUTHERN OSCEOLA COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...YEEHAW JUNCTION...LAKE MARIAN...
  KENANSVILLE...

* UNTIL 700 PM EST.

* AT 605 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES WEST OF
  KISSIMMEE PRAIRIE PRESERVE...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTIES.

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.

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.

THE TORNADO WILL LIKELY BE WRAPPED IN HEAVY RAIN MAKING IT DIFFICULT
TO SEE. BE SMART AND REACT NOW!

&&

LAT...LON 2754 8121 2757 8119 2758 8116 2764 8114
      2772 8116 2773 8118 2778 8119 2804 8087
      2773 8088 2773 8087 2761 8086 2748 8120
TIME...MOT...LOC 2307Z 230DEG 29KT 2756 8128

$$

2 follow-up statements

928 
WWUS52 KMLB 252341
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
641 PM EST TUE JAN 25 2011

FLC093-097-260000-
/O.CON.KMLB.TO.W.0005.000000T0000Z-110126T0000Z/
OKEECHOBEE-OSCEOLA-
641 PM EST TUE JAN 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR SOUTHERN
OSCEOLA AND NORTHWESTERN OKEECHOBEE COUNTIES...

AT 640 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A STORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS 
LOCATED 12 MILES WEST OF YEEHAW JUNCTION...MOVING NORTHEAST AT 40
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE 
MARIAN AND KENANSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 900 PM EST TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2767 8114 2768 8116 2772 8116 2773 8118
      2776 8118 2778 8119 2804 8087 2773 8088
      2771 8087 2764 8086 2761 8115
TIME...MOT...LOC 2340Z 225DEG 21KT 2769 8107

$$



CRISTALDI

651 
WWUS52 KMLB 260000
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
700 PM EST TUE JAN 25 2011

FLC093-097-260009-
/O.EXP.KMLB.TO.W.0005.000000T0000Z-110126T0000Z/
OKEECHOBEE-OSCEOLA-
700 PM EST TUE JAN 25 2011

...THE TORNADO WARNING FOR SOUTHEASTERN OSCEOLA AND NORTHWESTERN 
OKEECHOBEE COUNTIES EXPIRED AT 700 PM EST...

THE SEVERE STORM BETWEEN KENANSVILLE AND YEEHAW JUNCTION HAS 
WEAKENED AND NO LONGER APPEARS CAPABLE OF PRODUCING TORNADO OR OTHER 
SEVERE WEATHER...FOR THE TIME BEING. THUS THE WARNING HAS BEEN 
ALLOWED TO EXPIRE. HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING 
STRIKES WILL CONTINUE TO BE POSSIBLE.

THIS IS STILL A STRONG STORM...CAPABLE OF PRODUCING WIND GUSTS OF 40 
TO 50 MPH AND SMALL HAIL AS IT MOVES ACROSS SOUTHEAST OSCEOLA COUNTY 
AND INTO SOUTHERN BREVARD COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.

LAT...LON 2767 8114 2768 8116 2772 8116 2773 8118
      2776 8118 2778 8119 2804 8087 2773 8088
      2771 8087 2764 8086 2761 8115
TIME...MOT...LOC 2359Z 231DEG 24KT 2776 8095

$$




CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 4:03 AM EST	Lake Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	14 hr
Jan 25, 4:24 PM EST	Special Weather Statement	MLB	Lake	36 min
Jan 25, 4:32 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole, Volusia	58 min
Jan 25, 5:28 PM EST	Tornado Warning	MLB	Lake, Orange, Volusia	37 min
Jan 25, 5:30 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Osceola, Seminole, Volusia	60 min
Jan 25, 5:55 PM EST	Tornado Warning	MLB	Lake, Orange, Seminole, Volusia	36 min
Jan 25, 6:20 PM EST	Special Marine Warning	MLB		115 min
Jan 25, 6:21 PM EST	Tornado Warning	MLB	Brevard, Orange, Seminole, Volusia	54 min
Jan 25, 6:29 PM EST	Tornado Warning	MLB	Brevard, Orange, Osceola	61 min
Jan 25, 6:55 PM EST	Special Marine Warning	MLB		110 min

Nearby

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