Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 4, NWS Melbourne, FL

January 25, 20114 counties in Florida

NWS Melbourne, FL issued this tornado warning at Jan 25, 2011, 5:55 PM EST for 4 counties in Florida. It was in force for 36 min. 4 reports 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
Jan 25, 2011, 5:55 PM EST (22:55 UTC)
Expired
Jan 25, 2011, 6:31 PM EST
In force
36 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Lake County, FL, Orange County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 129 km from the middle of the area, began a volume at 22:55 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
Jan 25, 6:07 PM ESTTSTM WND DMGLake Mary, FLPOWER LINES DOWN AT WESLEY LAKE AND MEADOW BAY COURT
Jan 25, 6:09 PM ESTTSTM WND DMGSanford, FLPOWER LINES DOWN LAUREL ROAD AND PINE CREST ROAD
Jan 25, 6:14 PM ESTTSTM WND GST 63Sanford, FLSANFORD/ORLANDO AIRPORT ASOS PEAK WIND 27055/2314
Jan 25, 6:20 PM ESTTSTM WND GST 605 N Kissimmee, FLHUNTERS CREEK ESTIMATED WIND 60 MPH, SMALL TREE LIMBS DOWN, HEAVY RAIN 1.75-1.99 INCHES IN 40 MINUTES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 25, 2:07 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.9 hours before the alert went out and 107 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 2011-01-25Temperature 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 2011-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.19395878Sfc1 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
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.

119 
WFUS52 KMLB 252255
TORMLB
FLC069-095-117-127-260000-
/O.NEW.KMLB.TO.W.0004.110125T2255Z-110126T0000Z/

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LAKE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...MOUNT PLYMOUTH...CASSIA...
  WESTERN ORANGE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...WINDERMERE
  WESTERN SEMINOLE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...WEKIVA SPRINGS...SANFORD...
  LONGWOOD...LAKE MARY...FOREST CITY...CASSELBERRY...ALTAMONTE
  SPRINGS...
  WESTERN VOLUSIA COUNTY IN FLORIDA...
  
* UNTIL 700 PM EST.

* AT 551 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR   
WINDERMERE...MOVING NORTH NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   
WINDERMERE...PINE HILLS...ORLOVISTA...FERN PARK...AND WEKIWA SPRINGS 
STATE PARK. 

THE IMMEDIATE DANGER OF A TORNADO IS HIGH. PEOPLE IN THE PATH OF THIS
DEVELOPING TORNADO ARE URGED TO QUICKLY PREPARE FOR ITS APPROACH. 
THIS IS A DANGEROUS SITUATION! ACT NOW AS SECONDS CAN SAVE LIVES! 
TAKE COVER NOW! TAKE COVER NOW!

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.

&&

LAT...LON 2941 8113 2834 8135 2835 8173 2938 8142
      2927 8141 2927 8117 2933 8115 2941 8115
TIME...MOT...LOC 2253Z 202DEG 54KT 2853 8155

$$


15
2 follow-up statements
663 
WWUS52 KMLB 252300
SVSMLB

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

FLC069-095-117-127-260000-
/O.CON.KMLB.TO.W.0004.000000T0000Z-110126T0000Z/
ORANGE-SEMINOLE-LAKE-VOLUSIA-
600 PM EST TUE JAN 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR WESTERN
VOLUSIA...EASTERN LAKE...WESTERN SEMINOLE AND WESTERN ORANGE
COUNTIES...

AT 555 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO NEAR PINE HILLS. THIS TORNADO WAS LOCATED NEAR 
OCOEE...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
LOCKHART...ALTAMONTE SPRINGS...WEKIVA SPRINGS.

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.

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 2941 8113 2834 8135 2835 8173 2938 8142
      2927 8141 2927 8117 2933 8115 2941 8115
TIME...MOT...LOC 2300Z 202DEG 54KT 2863 8150

$$


15
164 
WWUS52 KMLB 252331
SVSMLB

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

FLC069-095-117-127-252341-
/O.CAN.KMLB.TO.W.0004.000000T0000Z-110126T0000Z/
ORANGE-SEMINOLE-LAKE-VOLUSIA-
631 PM EST TUE JAN 25 2011

...THE TORNADO WARNING FOR WESTERN VOLUSIA...EASTERN LAKE...WESTERN
SEMINOLE AND WESTERN ORANGE COUNTIES IS CANCELLED...

THE SEVERE STORMS THAT PROMPTED THE WARNING HAD MOVED FURTHER 
EAST...THUS THIS WARNING HAS BEEN CANCELLED. 

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

LAT...LON 2941 8113 2834 8135 2835 8173 2938 8142
      2927 8141 2927 8117 2933 8115 2941 8115
TIME...MOT...LOC 2331Z 202DEG 54KT 2906 8130

$$


15

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 4:03 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr
Jan 25, 4:24 PM ESTSpecial Weather StatementMLBLake36 min
Jan 25, 4:32 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Seminole, Volusia58 min
Jan 25, 5:28 PM ESTTornado WarningMLBLake, Orange, Volusia37 min
Jan 25, 5:30 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Osceola, Seminole, Volusia60 min
Jan 25, 6:08 PM ESTTornado WarningMLBOkeechobee, Osceola52 min
Jan 25, 6:20 PM ESTSpecial Marine WarningMLB115 min
Jan 25, 6:21 PM ESTTornado WarningMLBBrevard, Orange, Seminole, Volusia54 min
Jan 25, 6:29 PM ESTTornado WarningMLBBrevard, Orange, Osceola61 min
Jan 25, 6:55 PM ESTSpecial Marine WarningMLB110 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.