Alert archive / Florida / Tornado Warnings in 2010

Tornado Warning 22, NWS Melbourne, FL

March 11, 2010Indian River County, Okeechobee County, Florida

NWS Melbourne, FL issued this tornado warning at Mar 11, 2010, 4:26 PM EST for Indian River County, Okeechobee County, Florida. It was in force for 49 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
Mar 11, 2010, 4:26 PM EST (21:26 UTC)
Expired
Mar 11, 2010, 5:15 PM EST
In force
49 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Indian River County, FL, Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 42 km from the middle of the area, began a volume at 21:26 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
Mar 11, 10:58 AM ESTTornado WatchSPC9 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 9.4 hours before the alert went out and 82 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 2010-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 220 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 2010-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.1939587897117136Sfc1 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
220 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

589 
WFUS52 KMLB 112126
TORMLB
FLC061-093-112215-
/O.NEW.KMLB.TO.W.0022.100311T2126Z-100311T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
426 PM EST THU MAR 11 2010

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  INDIAN RIVER COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...SEBASTIAN...WINTER BEACH...WABASSO...
  SEBASTIAN INLET...ROSELAND...INDIAN RIVER SHORES...FELLSMERE...BLUE
  CYPRESS LAKE...
  NORTH CENTRAL OKEECHOBEE COUNTY IN FLORIDA...

* UNTIL 515 PM EST.

* AT 424 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ACROSS 
EXTREME NORTHEAST OKEECHOBEE COUNTY. THIS TORNADO WAS INDICATED 9 MILES 
NORTH OF FORT DRUM MOVING EAST NORTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VERO
  LAKE ESTATES AND SEBASTIAN INLET RECREATION

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 2755 8092 2764 8094 2764 8087 2768 8087
      2783 8057 2782 8051 2785 8049 2772 8040
      2775 8040 2777 8042 2784 8046 2786 8044
      2785 8043 2770 8036
TIME...MOT...LOC 2123Z 180DEG 0KT 2768 8070

$$


15
3 follow-up statements
451 
WWUS52 KMLB 112137
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
437 PM EST THU MAR 11 2010

FLC093-112146-
/O.CAN.KMLB.TO.W.0022.000000T0000Z-100311T2215Z/
OKEECHOBEE-
437 PM EST THU MAR 11 2010

...THE TORNADO WARNING FOR NORTH CENTRAL OKEECHOBEE COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST THURSDAY EVENING
FOR EAST CENTRAL FLORIDA.

LAT...LON 2770 8036 2760 8075 2762 8078 2764 8078
      2764 8080 2765 8080 2769 8081 2783 8058
      2782 8051 2785 8049 2771 8040 2775 8040
      2784 8046 2786 8044
TIME...MOT...LOC 2136Z 180DEG 0KT 2768 8070

$$

FLC061-112215-
/O.CON.KMLB.TO.W.0022.000000T0000Z-100311T2215Z/
INDIAN RIVER-
437 PM EST THU MAR 11 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EST FOR INDIAN
RIVER COUNTY...

AT 436 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 9 MILES SOUTHWEST OF 
FELLSMERE...OR 3 MILES SOUTHEAST OF BLUE CYPRESS LAKE. THIS TORNADO 
WAS MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SEBASTIAN...ORCHID...WINTER BEACH...WABASSO BEACH...WABASSO BEACH
PARK...DISNEYS VERO BEACH RESORT...WABASSO...VERO LAKE 
ESTATES...ROSELAND AND INDIAN RIVER SHORES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 600 PM EST THURSDAY EVENING
FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2770 8036 2760 8075 2762 8078 2764 8078
      2764 8080 2765 8080 2769 8081 2783 8058
      2782 8051 2785 8049 2771 8040 2775 8040
      2784 8046 2786 8044
TIME...MOT...LOC 2136Z 180DEG 0KT 2768 8070

$$


15
413 
WWUS52 KMLB 112143
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
443 PM EST THU MAR 11 2010

FLC061-112215-
/O.CON.KMLB.TO.W.0022.000000T0000Z-100311T2215Z/
INDIAN RIVER-
443 PM EST THU MAR 11 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EST FOR INDIAN
RIVER COUNTY...

AT 440 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 8 MILES SOUTHWEST OF 
FELLSMERE...OR 15 MILES SOUTHWEST OF WABASSO. THIS TORNADO WAS 
MOVING EAST AT 35 MPH.

THE FOLLOWING LOCATIONS ARE IN THE PATH OF THIS STORM...
VERO LAKE ESTATES...WABASSO...WINTER BEACH...ORCHID AND INDIAN RIVER 
SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 600 PM EST THURSDAY EVENING
FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2770 8036 2760 8075 2762 8078 2764 8078
      2764 8080 2765 8080 2769 8081 2783 8058
      2782 8051 2785 8049 2771 8040 2775 8040
      2784 8046 2786 8044
TIME...MOT...LOC 2140Z 180DEG 0KT 2768 8070

$$


15
432 
WWUS52 KMLB 112216
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
516 PM EST THU MAR 11 2010

FLC061-112226-
/O.EXP.KMLB.TO.W.0022.000000T0000Z-100311T2215Z/
INDIAN RIVER-
516 PM EST THU MAR 11 2010

...THE TORNADO WARNING FOR INDIAN RIVER COUNTY HAS EXPIRED...

THE SEVERE STORM THAT PROMPTED THE WARNING HAD MOVED ACROSS THE 
BARRIER ISLANDS AND ACROSS THE NEAR SHORE ATLANTIC WATERS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST THURSDAY EVENING
FOR EAST CENTRAL FLORIDA.

LAT...LON 2770 8036 2760 8075 2762 8078 2764 8078
      2764 8080 2765 8080 2769 8081 2783 8058
      2782 8051 2785 8049 2771 8040 2775 8040
      2784 8046 2786 8044
TIME...MOT...LOC 2143Z 180DEG 0KT 2768 8070

$$


15

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 10:45 AM ESTSpecial Marine WarningMLB90 min
Mar 11, 10:59 AM ESTTornado WarningMLBLake, Volusia46 min
Mar 11, 11:42 AM ESTTornado WarningMLBLake, Volusia48 min
Mar 11, 12:01 PM ESTSpecial Marine WarningMLB59 min
Mar 11, 12:33 PM ESTSevere Thunderstorm WarningMLBLake, Orange57 min
Mar 11, 1:10 PM ESTSpecial Marine WarningMLB3 hr
Mar 11, 1:22 PM ESTAreal Flood AdvisoryMLBLake, Orange, Seminole, Volusia113 min
Mar 11, 1:27 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Seminole, Volusia63 min
Mar 11, 2:16 PM ESTSevere Thunderstorm WarningMLBMartin, Saint Lucie44 min
Mar 11, 2:35 PM ESTSevere Thunderstorm WarningMLBMartin55 min
Mar 11, 2:35 PM ESTTornado WarningMLBSaint Lucie25 min
Mar 11, 2:38 PM ESTSpecial Marine WarningMLB52 min
Mar 11, 2:38 PM ESTTornado WarningMLBBrevard, Seminole, Volusia37 min
Mar 11, 2:42 PM ESTSevere Thunderstorm WarningMLBOsceola63 min
Mar 11, 2:48 PM ESTTornado WarningMLBIndian River, Okeechobee, Osceola42 min
Mar 11, 3:01 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Seminole, Volusia44 min
Mar 11, 3:09 PM ESTTornado WarningMLBBrevard, Indian River, Osceola36 min
Mar 11, 3:13 PM ESTAreal Flood AdvisoryMLBBrevard, Lake, Orange, Seminole, Volusia2 hr
Mar 11, 3:18 PM ESTSpecial Marine WarningMLB117 min
Mar 11, 3:18 PM ESTTornado WarningMLBMartin42 min
Mar 11, 3:48 PM ESTTornado WarningMLBBrevard, Indian River27 min
Mar 11, 4:41 PM ESTAreal Flood AdvisoryMLBBrevard, Indian River, Osceola109 min
Mar 11, 4:52 PM ESTSevere Thunderstorm WarningMLBOsceola53 min
Mar 11, 4:58 PM ESTTornado WarningMLBIndian River20 min
Mar 11, 5:10 PM ESTSpecial Marine WarningMLB2 hr
Mar 11, 5:35 PM ESTTornado WarningMLBBrevard, Osceola27 min
Mar 11, 6:30 PM ESTAreal Flood AdvisoryMLBBrevard, Indian River, Osceola2 hr

Nearby

Tornado Warnings in Florida, 2010Every tornado warning in 2010Tornadoes in 2010

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.