Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 19, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at May 14, 2011, 4:23 PM EDT for Martin County, Florida. It was in force for 14 min. 1 report 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
- May 14, 2011, 4:23 PM EDT (20:23 UTC)
- Expired
- May 14, 2011, 4:37 PM EDT
- In force
- 14 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Martin County, FL
The radar
The Melbourne radar (KMLB), 131 km from the middle of the area, began a volume at 20:22 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 |
|---|---|---|---|
| May 14, 4:25 PM EDT | HAIL 0.5 | Hobe Sound, FL | MARTIN COUNTY SHERIFF RELAYED REPORT OF HALF INCH SIZE HAIL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 8.4 hours before the alert went out and 135 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
- 674 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
043
WFUS52 KMLB 142023
TORMLB
FLC085-142115-
/O.NEW.KMLB.TO.W.0019.110514T2023Z-110514T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
423 PM EDT SAT MAY 14 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN MARTIN COUNTY IN FLORIDA...
THIS INCLUDES THE CITY OF HOBE SOUND...
* UNTIL 515 PM EDT.
* AT 422 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HOBE
SOUND...MOVING NORTHEAST AT 20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JUPITER ISLAND AND HOBE SOUND 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 2708 8022 2714 8015 2712 8013 2701 8008
2699 8008 2697 8011 2697 8014 2695 8015
2695 8016
TIME...MOT...LOC 2023Z 231DEG 17KT 2705 8013
$$1 follow-up statement
055
WWUS52 KMLB 142037 RRA
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
437 PM EDT SAT MAY 14 2011
FLC085-142045-
/O.CAN.KMLB.TO.W.0019.000000T0000Z-110514T2115Z/
MARTIN-
437 PM EDT SAT MAY 14 2011
...THE TORNADO WARNING FOR SOUTHEASTERN MARTIN COUNTY IS CANCELLED...
AT 435 PM THE STORM WITH THE TORNADIC SIGNATURE HAD MOVED OFFSHORE
HOBE SOUND. A SPECIAL MARINE WARNING REMAINS IN EFFECT FOR THE
MARTIN COUNTY COASTAL WATERS AND THE THREAT OF ISOLATED WATERSPOUTS
AND WIND GUSTS OVER 34 MPH CONTINUES OVER THE NEARSHORE WATERS.
LAT...LON 2708 8022 2714 8015 2712 8013 2701 8008
2699 8008 2697 8011 2697 8014 2695 8015
2695 8016
TIME...MOT...LOC 2035Z 231DEG 17KT 2709 8008
$$The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 8:11 PM EDT | Special Marine Warning | MLB | 94 min | |
| May 14, 12:57 PM EDT | Special Weather Statement | MLB | Okeechobee | 63 min |
| May 14, 1:19 PM EDT | Severe Thunderstorm Warning | MLB | Okeechobee, Osceola | 56 min |
| May 14, 2:03 PM EDT | Special Weather Statement | MLB | Brevard, Indian River, Okeechobee, Osceola, Saint Lucie | 42 min |
| May 14, 2:09 PM EDT | Special Marine Warning | MLB | 111 min | |
| May 14, 2:10 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 44 min |
| May 14, 2:17 PM EDT | Severe Thunderstorm Warning | MLB | Indian River, Okeechobee, Saint Lucie | 40 min |
| May 14, 2:40 PM EDT | Special Weather Statement | MLB | Orange, Seminole | 50 min |
| May 14, 2:52 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Orange, Seminole, Volusia | 53 min |
| May 14, 3:04 PM EDT | Severe Thunderstorm Warning | MLB | Orange, Osceola | 45 min |
| May 14, 3:17 PM EDT | Special Marine Warning | MLB | 118 min | |
| May 14, 3:21 PM EDT | Special Weather Statement | MLB | Lake | 69 min |
| May 14, 3:26 PM EDT | Special Weather Statement | MLB | Martin | 64 min |
| May 14, 3:43 PM EDT | Severe Thunderstorm Warning | MLB | Martin | 57 min |
| May 14, 3:45 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 60 min |
| May 14, 3:53 PM EDT | Special Marine Warning | MLB | 112 min | |
| May 14, 3:58 PM EDT | Special Marine Warning | MLB | 92 min | |
| May 14, 4:00 PM EDT | Special Weather Statement | MLB | Orange, Seminole | 45 min |
| May 14, 4:44 PM EDT | Special Weather Statement | MLB | Osceola | 46 min |
| May 14, 5:18 PM EDT | Special Weather Statement | MLB | Indian River, Okeechobee, Saint Lucie | 72 min |
| May 14, 5:29 PM EDT | Special Weather Statement | MLB | Martin | 46 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.