Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 27, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Dec 10, 2012, 4:59 PM EST for Seminole County, Volusia County, Florida. It was in force for 46 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
- Dec 10, 2012, 4:59 PM EST (21:59 UTC)
- Expired
- Dec 10, 2012, 5:45 PM EST
- In force
- 46 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Seminole County, FL, Volusia County, FL
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 10.0 hours before the alert went out and 77 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.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 872 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
640 WFUS52 KMLB 102159 TORMLB FLC117-127-102245- /O.NEW.KMLB.TO.W.0027.121210T2159Z-121210T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 459 PM EST MON DEC 10 2012 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL SEMINOLE COUNTY IN FLORIDA... THIS INCLUDES THE CITY OF LAKE JESSUP... CENTRAL VOLUSIA COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...NEW SMYRNA BEACH...OSTEEN... * UNTIL 545 PM EST. * AT 457 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKE JESSUP...MOVING NORTHEAST AT 35 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIDWAY 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. EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER. && LAT...LON 2908 8110 2902 8089 2871 8115 2871 8128 TIME...MOT...LOC 2159Z 214DEG 30KT 2875 8123 $$ BRAGAW
2 follow-up statements
912 WWUS52 KMLB 102224 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 524 PM EST MON DEC 10 2012 FLC117-127-102245- /O.CON.KMLB.TO.W.0027.000000T0000Z-121210T2245Z/ SEMINOLE-VOLUSIA- 524 PM EST MON DEC 10 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EST FOR CENTRAL VOLUSIA AND CENTRAL SEMINOLE COUNTIES... AT 520 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TWO STORMS CAPABLE OF PRODUCING TORNADOES...THE FIRST WEST OF DELTONA AND THE SECOND OVER EDGEWATER...MOVING NORTHEAST AT 35 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW SMYRNA BEACH AND PORT ORANGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THESE STORMS ARE CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS. HEAVY RAINFALL MAY OBSCURE ANY TORNADO THAT MIGHT FORM. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. && LAT...LON 2908 8110 2902 8089 2871 8115 2871 8128 TIME...MOT...LOC 2222Z 214DEG 30KT 2891 8110 $$ BRAGAW
109
WWUS52 KMLB 102234
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
534 PM EST MON DEC 10 2012
FLC117-102244-
/O.CAN.KMLB.TO.W.0027.000000T0000Z-121210T2245Z/
SEMINOLE-
534 PM EST MON DEC 10 2012
...THE TORNADO WARNING FOR CENTRAL SEMINOLE COUNTY IS CANCELLED...
...TORNADIC STORMS HAVE MOVED OUT OF SEMINOLE COUNTY...
LAT...LON 2902 8089 2881 8107 2881 8108 2883 8111
2879 8116 2882 8121 2908 8110
TIME...MOT...LOC 2234Z 214DEG 30KT 2899 8103
$$
FLC127-102245-
/O.CON.KMLB.TO.W.0027.000000T0000Z-121210T2245Z/
VOLUSIA-
534 PM EST MON DEC 10 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EST FOR CENTRAL
VOLUSIA COUNTY...
AT 532 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR LAKE ASHBY...OR 7
MILES SOUTHWEST OF NEW SMYRNA BEACH...MOVING NORTHEAST AT 35 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.
&&
LAT...LON 2902 8089 2881 8107 2881 8108 2883 8111
2879 8116 2882 8121 2908 8110
TIME...MOT...LOC 2234Z 214DEG 30KT 2899 8103
$$
BRAGAWThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 2:53 PM EST | Special Weather Statement | MLB | Okeechobee | 52 min |
| Dec 10, 3:39 PM EST | Special Weather Statement | MLB | Indian River, Okeechobee | 51 min |
| Dec 10, 3:50 PM EST | Special Weather Statement | MLB | Orange, Seminole | 55 min |
| Dec 10, 4:13 PM EST | Tornado Warning | MLB | Lake, Orange, Seminole | 47 min |
| Dec 10, 4:28 PM EST | Tornado Warning | MLB | Seminole, Volusia | 47 min |
| Dec 10, 4:29 PM EST | Special Weather Statement | MLB | Saint Lucie | 46 min |
| Dec 10, 4:33 PM EST | Special Marine Warning | MLB | 117 min | |
| Dec 10, 4:42 PM EST | Tornado Warning | MLB | Indian River, Saint Lucie | 48 min |
| Dec 10, 5:02 PM EST | Tornado Warning | MLB | Volusia | 43 min |
| Dec 10, 5:08 PM EST | Severe Thunderstorm Warning | MLB | Volusia | 37 min |
| Dec 10, 5:09 PM EST | Tornado Warning | MLB | Seminole, Volusia | 21 min |
| Dec 10, 5:23 PM EST | Special Marine Warning | MLB | 112 min |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes in 2012
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.