Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 23, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Jun 18, 2011, 7:10 PM EDT for Orange County, Osceola County, Florida. It was in force for 50 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
- Jun 18, 2011, 7:10 PM EDT (23:10 UTC)
- Expired
- Jun 18, 2011, 8:00 PM EDT
- In force
- 50 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Orange County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 75 km from the middle of the area, began a volume at 23:12 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 |
|---|---|---|---|
| Jun 18, 7:11 PM EDT | TSTM WND GST 70 | Orlando, FL | KMCO ORLANDO INTERNATIONAL AIRPORT ASOS MEASURED A 61 KT/70 MPH WIND GUST. |
| Jun 18, 7:30 PM EDT | TSTM WND DMG | 3 S Conway, FL | WFTV CHANNEL 9 REPORTED LARGE TREE FELL ONTO PART OF ROOF OF HOUSE NEAR INTERSECTION OF SIMMS AVE. AND MERRYWEATHER DR. IN ORLANDO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 11.2 hours before the alert went out and 83 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
- 122 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 1401 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
676 WFUS52 KMLB 182310 TORMLB FLC095-097-190000- /O.NEW.KMLB.TO.W.0023.110618T2310Z-110619T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 710 PM EDT SAT JUN 18 2011 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL ORANGE COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...ORLANDO INTERNATIONAL AIRPORT... ORLANDO...CONWAY... NORTHWESTERN OSCEOLA COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...KISSIMMEE...EAST LAKE TOHO...BUENA VENTURA LAKES... * UNTIL 800 PM EDT. * AT 708 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BUENA VENTURA LAKES...MOVING NORTHEAST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINE CASTLE AND BELLE ISLE 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 2851 8140 2843 8112 2825 8132 2829 8148 TIME...MOT...LOC 2311Z 236DEG 9KT 2834 8139 $$ MOSES
2 follow-up statements
324
WWUS52 KMLB 182349
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
749 PM EDT SAT JUN 18 2011
FLC097-182358-
/O.CAN.KMLB.TO.W.0023.000000T0000Z-110619T0000Z/
OSCEOLA-
749 PM EDT SAT JUN 18 2011
...THE TORNADO WARNING FOR NORTHWESTERN OSCEOLA COUNTY IS
CANCELLED...
LAT...LON 2851 8140 2843 8112 2834 8130 2834 8134
2838 8143
TIME...MOT...LOC 2348Z 240DEG 9KT 2842 8131
$$
FLC095-190000-
/O.CON.KMLB.TO.W.0023.000000T0000Z-110619T0000Z/
ORANGE-
749 PM EDT SAT JUN 18 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR SOUTH
CENTRAL ORANGE COUNTY...
AT 744 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR ORLANDO
INTERNATIONAL AIRPORT...MOVING NORTHEAST AT 10 TO 15 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
LAT...LON 2851 8140 2843 8112 2834 8130 2834 8134
2838 8143
TIME...MOT...LOC 2348Z 240DEG 9KT 2842 8131
$$
GUSEMAN961
WWUS52 KMLB 190003
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
803 PM EDT SAT JUN 18 2011
FLC095-190013-
/O.EXP.KMLB.TO.W.0023.000000T0000Z-110619T0000Z/
ORANGE-
803 PM EDT SAT JUN 18 2011
...THE TORNADO WARNING FOR SOUTH CENTRAL ORANGE COUNTY HAS EXPIRED...
THE SEVERE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND
MOVED EAST OF THE AREA...THUS THE WARNING HAS BEEN ALLOWED TO
EXPIRE.
LAT...LON 2851 8140 2843 8112 2834 8130 2834 8134
2838 8143
TIME...MOT...LOC 2349Z 240DEG 9KT 2842 8131
$$
MOSESThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:15 PM EDT | Severe Thunderstorm Warning | MLB | Seminole, Volusia | 60 min |
| Jun 17, 8:45 PM EDT | Areal Flood Advisory | MLB | Lake, Orange, Seminole, Volusia | 2 hr |
| Jun 17, 9:11 PM EDT | Special Weather Statement | MLB | Seminole | 49 min |
| Jun 18, 3:45 PM EDT | Special Weather Statement | MLB | Flagler | 45 min |
| Jun 18, 4:22 PM EDT | Special Weather Statement | MLB | Lake | 38 min |
| Jun 18, 4:49 PM EDT | Special Weather Statement | MLB | Volusia | 41 min |
| Jun 18, 4:51 PM EDT | Special Marine Warning | MLB | 114 min | |
| Jun 18, 4:51 PM EDT | Special Weather Statement | MLB | Indian River | 39 min |
| Jun 18, 4:53 PM EDT | Special Weather Statement | MLB | Osceola | 82 min |
| Jun 18, 5:01 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 44 min |
| Jun 18, 5:02 PM EDT | Special Weather Statement | MLB | Volusia | 43 min |
| Jun 18, 5:08 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 37 min |
| Jun 18, 5:10 PM EDT | Tornado Warning | MLB | Volusia | 46 min |
| Jun 18, 5:18 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Indian River | 57 min |
| Jun 18, 5:39 PM EDT | Tornado Warning | MLB | Volusia | 51 min |
| Jun 18, 5:56 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 64 min |
| Jun 18, 6:00 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Jun 18, 6:13 PM EDT | Tornado Warning | MLB | Seminole, Volusia | 47 min |
| Jun 18, 6:18 PM EDT | Special Weather Statement | MLB | Orange, Seminole | 117 min |
| Jun 18, 6:18 PM EDT | Severe Thunderstorm Warning | MLB | Seminole, Volusia | 57 min |
| Jun 18, 6:43 PM EDT | Severe Thunderstorm Warning | MLB | Orange, Osceola, Seminole | 62 min |
| Jun 18, 6:52 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 53 min |
| Jun 18, 7:22 PM EDT | Tornado Warning | MLB | Orange, Seminole | 38 min |
| Jun 18, 7:29 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Orange, Osceola | 46 min |
| Jun 18, 7:53 PM EDT | Areal Flood Advisory | MLB | Brevard, Orange, Seminole | 112 min |
| Jun 18, 7:54 PM EDT | Special Marine Warning | MLB | 111 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.