Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 13, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Mar 31, 2011, 7:43 AM EDT for Brevard County, Seminole County, Volusia County, Florida. It was in force for 42 min. 2 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
- Mar 31, 2011, 7:43 AM EDT (11:43 UTC)
- Expired
- Mar 31, 2011, 8:25 AM EDT
- In force
- 42 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Brevard County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 82 km from the middle of the area, began a volume at 11:45 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 31, 7:46 AM EDT | TSTM WND GST 53 | Sanford, FL | KSFB ASOS MEASURED 46 KT/53 MPH WIND GUST FROM 290 DEGREES. |
| Mar 31, 8:00 AM EDT | HAIL 1 | Oviedo, FL | QUARTER SIZE HAIL AND FUNNEL CLOUD SIGHTING. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 31, 6:00 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 00:00Z, 11.7 hours before the alert went out and 56 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1368 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -146 m²/s²
- 0-3 km storm-relative helicity
- -81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
024
WFUS52 KMLB 311143
TORMLB
FLC009-117-127-311245-
/O.NEW.KMLB.TO.W.0013.110331T1143Z-110331T1245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
743 AM EDT THU MAR 31 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN BREVARD COUNTY IN FLORIDA...
THIS INCLUDES THE CITIES OF...SCOTTSMOOR...MIMS...HAULOVER CANAL...
SEMINOLE COUNTY IN FLORIDA...
THIS INCLUDES THE CITIES OF...WINTER SPRINGS...SANFORD...OVIEDO...
LAKE MARY...LAKE JESSUP...GENEVA...
SOUTHEASTERN VOLUSIA COUNTY IN FLORIDA...
THIS INCLUDES THE CITIES OF...OAK HILL...OSTEEN...MAYTOWN...LAKE
MONROE...EDGEWATER...DELTONA...
* UNTIL 845 AM EDT.
* AT 740 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKE
JESSUP...MOVING EAST AT 60 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BETHUNE BEACH...ELDORA...APOLLO BEACH AND KLONDIKE BEACH
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.
&&
LAT...LON 2894 8082 2894 8081 2893 8081 2880 8073
2864 8062 2864 8079 2869 8079 2871 8075
2879 8084 2864 8082 2862 8128 2886 8138
2887 8136 2892 8134 2904 8088
TIME...MOT...LOC 1143Z 261DEG 54KT 2873 8119
$$
MOSES3 follow-up statements
727
WWUS52 KMLB 311152
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
752 AM EDT THU MAR 31 2011
FLC009-117-127-311245-
/O.CON.KMLB.TO.W.0013.000000T0000Z-110331T1245Z/
SEMINOLE-VOLUSIA-BREVARD-
752 AM EDT THU MAR 31 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR
NORTHWESTERN BREVARD...SOUTHEASTERN VOLUSIA AND SEMINOLE COUNTIES...
AT 749 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR GENEVA...MOVING EAST
AT 60 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE
HARNEY...FARMTON...MAYTOWN...NEW SMYRNA BEACH...SCOTTSMOOR...
EDGEWATER...AURANTIA...TURNBULL...MIMS...OAK HILL...BETHUNE
BEACH...TURTLE MOUND...SHILOH...ELDORA...APOLLO BEACH...AND
INTERSTATE 95 BETWEEN MILE MARKERS 223 AND 235.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
PENNY SIZED HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS OVER 60 MPH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EDT THURSDAY AFTERNOON
FOR EAST CENTRAL FLORIDA.
&&
LAT...LON 2894 8082 2894 8081 2893 8081 2880 8073
2864 8062 2864 8079 2869 8079 2871 8075
2879 8084 2864 8082 2862 8128 2886 8138
2887 8136 2892 8134 2904 8088
TIME...MOT...LOC 1151Z 262DEG 52KT 2872 8107
$$
MOSES096
WWUS52 KMLB 311207
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
807 AM EDT THU MAR 31 2011
FLC009-117-127-311245-
/O.CON.KMLB.TO.W.0013.000000T0000Z-110331T1245Z/
SEMINOLE-VOLUSIA-BREVARD-
807 AM EDT THU MAR 31 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR
NORTHWESTERN BREVARD...SOUTHEASTERN VOLUSIA AND EASTERN SEMINOLE
COUNTIES...
AT 803 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR AURANTIA...OR NEAR
SCOTTSMOOR...MOVING EAST AT 60 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HAULOVER CANAL AND KLONDIKE BEACH
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING DIME
SIZED HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS OVER 60 MPH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EDT THURSDAY AFTERNOON
FOR EAST CENTRAL FLORIDA.
&&
LAT...LON 2875 8120 2892 8120 2904 8088 2894 8082
2894 8081 2893 8081 2880 8073 2864 8062
2864 8079 2869 8079 2871 8075 2879 8084
2864 8082 2862 8120
TIME...MOT...LOC 1207Z 262DEG 52KT 2875 8080
$$
MOSES707
WWUS52 KMLB 311225
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
825 AM EDT THU MAR 31 2011
FLC009-117-127-311234-
/O.CAN.KMLB.TO.W.0013.000000T0000Z-110331T1245Z/
SEMINOLE-VOLUSIA-BREVARD-
825 AM EDT THU MAR 31 2011
...THE TORNADO WARNING FOR NORTHWESTERN BREVARD...SOUTHEASTERN
VOLUSIA AND EASTERN SEMINOLE COUNTIES IS CANCELLED...
THE SEVERE STORM THAT PROMPTED THE WARNING HAS MOVED INTO THE
ATLANTIC OCEAN...THUS THE WARNING HAS BEEN CANCELLED.
HOWEVER...GUSTY WINDS UP TO 40 MPH WILL STILL BE POSSIBLE OVER THE
NEXT HOUR.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EDT THURSDAY AFTERNOON
FOR EAST CENTRAL FLORIDA.
LAT...LON 2875 8120 2892 8120 2904 8088 2894 8082
2894 8081 2893 8081 2880 8073 2864 8062
2864 8079 2869 8079 2871 8075 2879 8084
2864 8082 2862 8120
TIME...MOT...LOC 1224Z 262DEG 52KT 2878 8052
$$
MOSESThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 12:38 AM EDT | Special Marine Warning | MLB | 82 min | |
| Mar 31, 3:42 AM EDT | Small Craft Advisory for Winds | MLB | 24 hr | |
| Mar 31, 6:16 AM EDT | Special Weather Statement | MLB | Lake | 59 min |
| Mar 31, 6:58 AM EDT | Special Weather Statement | MLB | Brevard, Lake, Orange, Osceola, Seminole, Volusia | 62 min |
| Mar 31, 7:04 AM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Seminole, Volusia | 56 min |
| Mar 31, 7:27 AM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Osceola | 63 min |
| Mar 31, 7:33 AM EDT | Special Marine Warning | MLB | 117 min | |
| Mar 31, 8:13 AM EDT | Severe Thunderstorm Warning | MLB | Brevard, Orange, Volusia | 47 min |
| Mar 31, 8:30 AM EDT | Severe Thunderstorm Warning | MLB | Brevard, Indian River, Osceola | 27 min |
| Mar 31, 9:01 AM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Osceola | 59 min |
| Mar 31, 10:16 AM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Seminole | 59 min |
| Mar 31, 10:37 AM EDT | Tornado Warning | MLB | Lake, Orange, Seminole, Volusia | 53 min |
| Mar 31, 10:38 AM EDT | Special Marine Warning | MLB | 2 hr | |
| Mar 31, 11:31 AM EDT | Special Weather Statement | MLB | Lake, Orange, Seminole, Volusia | 44 min |
| Mar 31, 11:51 AM EDT | Tornado Warning | MLB | Brevard, Seminole, Volusia | 24 min |
| Mar 31, 12:15 PM EDT | Tornado Warning | MLB | Brevard | 19 min |
| Mar 31, 12:31 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 59 min |
| Mar 31, 12:32 PM EDT | Tornado Warning | MLB | Osceola | 43 min |
| Mar 31, 12:47 PM EDT | Special Marine Warning | MLB | 88 min | |
| Mar 31, 1:05 PM EDT | Tornado Warning | MLB | Brevard, Osceola | 23 min |
| Mar 31, 1:59 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Mar 31, 2:15 PM EDT | Special Weather Statement | MLB | Lake, Volusia | 45 min |
| Mar 31, 2:21 PM EDT | Special Marine Warning | MLB | 54 min | |
| Mar 31, 3:58 PM EDT | Special Weather Statement | MLB | Orange | 62 min |
| Mar 31, 5:52 PM EDT | Special Weather Statement | MLB | Indian River | 53 min |
| Mar 31, 5:53 PM EDT | Special Marine Warning | MLB | 112 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.