Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 21, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Jun 18, 2011, 5:39 PM EDT for Volusia County, Florida. It was in force for 51 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
- Jun 18, 2011, 5:39 PM EDT (21:39 UTC)
- Expired
- Jun 18, 2011, 6:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 108 km from the middle of the area, began a volume at 21:40 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 nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.7 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.
411 WFUS52 KMLB 182139 TORMLB FLC127-182230- /O.NEW.KMLB.TO.W.0021.110618T2139Z-110618T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 539 PM EDT SAT JUN 18 2011 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL VOLUSIA COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...PORT ORANGE...LAKE HELEN... * UNTIL 630 PM EDT. * AT 535 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTHWEST OF PORT ORANGE...MOVING SOUTH AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CASSADAGA AND LAKE ASHBY. 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 2892 8098 2893 8126 2916 8117 2913 8102 TIME...MOT...LOC 2139Z 004DEG 13KT 2907 8112 $$ GUSEMAN/MOSES
1 follow-up statement
535 WWUS52 KMLB 182200 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 600 PM EDT SAT JUN 18 2011 FLC127-182230- /O.CON.KMLB.TO.W.0021.000000T0000Z-110618T2230Z/ VOLUSIA- 600 PM EDT SAT JUN 18 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CENTRAL VOLUSIA COUNTY... AT 558 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR LAKE ASHBY AND STATE ROUTE 415...OR 6 MILES EAST OF LAKE HELEN...MOVING EAST AT 15 MPH. THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. LAT...LON 2893 8116 2902 8116 2901 8100 2892 8098 TIME...MOT...LOC 2159Z 004DEG 13KT 2900 8113 $$ GUSEMAN
The 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, 5:56 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, 7:10 PM EDT | Tornado Warning | MLB | Orange, Osceola | 50 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.