Alert archive / Florida / Tornado Warnings in 2009
Tornado Warning 10, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at May 19, 2009, 11:35 PM EDT for Lake County, Orange County, Seminole County, Florida. It was in force for 25 min. 3 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
- May 19, 2009, 11:35 PM EDT (03:35 UTC)
- Expired
- May 20, 2009, 12:00 AM EDT
- In force
- 25 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Lake County, FL, Orange County, FL, Seminole County, FL
The radar
The Melbourne radar (KMLB), 99 km from the middle of the area, began a volume at 03:34 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 19, 11:42 PM EDT | TSTM WND DMG | Casselberry, FL | POSSIBLE ROOF DAMAGE ON LAKE SHORE DRIVE IN CASSELBERRY...FIRE CREWS RESPONDING |
| May 19, 11:42 PM EDT | TORNADO | Casselberry, FL | LOW END EF0 TORNADO -65 MPH- WIDTH 50 YARDS PATH LENGTH 1.5 MILES AT LAKE SHORE AND LAKE AVE |
| May 19, 11:50 PM EDT | TSTM WND DMG | Apopka, FL | TREE ON A HOUSE ON CLARCONA ROAD IN APOPKA |
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 00:00Z, 3.6 hours before the alert went out and 99 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
- 597 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KMLB 200335 TORMLB FLC069-095-117-200400- /O.NEW.KMLB.TO.W.0010.090520T0335Z-090520T0400Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 1135 PM EDT TUE MAY 19 2009 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL LAKE COUNTY IN FLORIDA... NORTHWESTERN ORANGE COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...ZELLWOOD...WINTER PARK...WINTER GARDEN...WINDERMERE...PINE HILLS...OCOEE...MAITLAND...LOCKHART... LAKE APOPKA...FAIRVIEW SHORES...APOPKA... WESTERN SEMINOLE COUNTY IN FLORIDA... THIS INCLUDES THE CITIES OF...WINTER SPRINGS...WEKIVA SPRINGS... LONGWOOD...LAKE MARY...GOLDENROD...FOREST CITY...CASSELBERRY... ALTAMONTE SPRINGS... * UNTIL MIDNIGHT EDT. * AT 1134 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CASSELBERRY...MOVING WEST AT 40 MPH. * THE TORNADO WILL BE NEAR... ALTAMONTE SPRINGS...WEKIVA SPRINGS AND FAIRVIEW SHORES BY 1140 PM EDT... LOCKHART...WEKIWA SPRINGS STATE PARK...PINE HILLS AND FOREST CITY BY 1145 PM EDT... APOPKA BY 1150 PM EDT... OCOEE BY 1155 PM EDT... LAKE APOPKA BY MIDNIGHT EDT... 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. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. ABANDON YOUR VEHICLE IF THE TORNADO IS NEARBY. && LAT...LON 2841 8167 2880 8168 2877 8125 2859 8123 TIME...MOT...LOC 0335Z 083DEG 33KT 2867 8136 $$ 52
2 follow-up statements
000 WWUS52 KMLB 200344 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 1144 PM EDT TUE MAY 19 2009 FLC069-095-117-200400- /O.CON.KMLB.TO.W.0010.000000T0000Z-090520T0400Z/ ORANGE-SEMINOLE-LAKE- 1144 PM EDT TUE MAY 19 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR CENTRAL LAKE...WEST CENTRAL SEMINOLE AND NORTHWESTERN ORANGE COUNTIES... AT 1142 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ALTAMONTE SPRINGS...MOVING WEST AT 40 MPH. THE TORNADO WILL MOVE ACROSS AREAS NEAR FOREST CITY AND PIEDMONT NEAR STATE ROAD 436 AND U.S. 441 TO BETWEEN CLARCONA AND APOPKA. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 2871 8138 2861 8133 2841 8167 2880 8168 TIME...MOT...LOC 0341Z 083DEG 33KT 2866 8142 $$ 52
000 WWUS52 KMLB 200356 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 1156 PM EDT TUE MAY 19 2009 FLC069-095-117-200406- /O.EXP.KMLB.TO.W.0010.000000T0000Z-090520T0400Z/ ORANGE-SEMINOLE-LAKE- 1156 PM EDT TUE MAY 19 2009 ...THE TORNADO WARNING FOR CENTRAL LAKE...WEST CENTRAL SEMINOLE AND NORTHWESTERN ORANGE COUNTIES WILL EXPIRE AT MIDNIGHT EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE STORM AND TORNADO THAT PROMPTED THE WARNING HAD WEAKENED AND NO LONGER APPEARED CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE WEATHER...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING STRIKES WILL CONTINUE TO BE POSSIBLE. LAT...LON 2871 8138 2861 8133 2841 8167 2880 8168 TIME...MOT...LOC 0356Z 083DEG 33KT 2864 8158 $$ 52
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 8:05 PM EDT | Areal Flood Advisory | MLB | Brevard | 3 hr |
| May 19, 9:57 PM EDT | Gale Warning | MLB | 12 hr | |
| May 19, 10:30 PM EDT | Areal Flood Warning | MLB | Volusia | 3 hr |
| May 19, 10:52 PM EDT | Special Marine Warning | MLB | 113 min | |
| May 20, 12:05 AM EDT | Tornado Warning | MLB | Brevard, Seminole, Volusia | 25 min |
| May 20, 12:40 AM EDT | Special Marine Warning | MLB | 110 min | |
| May 20, 1:11 AM EDT | Areal Flood Advisory | MLB | Brevard, Seminole, Volusia | 2 hr |
| May 20, 1:26 AM EDT | Tornado Warning | MLB | Lake, Seminole, Volusia | 34 min |
| May 20, 2:15 AM EDT | Areal Flood Advisory | MLB | Volusia | 2 hr |
| May 20, 2:32 AM EDT | Special Marine Warning | MLB | 118 min | |
| May 20, 3:17 AM EDT | Areal Flood Advisory | MLB | Brevard, Seminole, Volusia | 118 min |
| May 20, 4:40 AM EDT | Areal Flood Advisory | MLB | Volusia | 110 min |
| May 20, 7:29 AM EDT | Special Marine Warning | MLB | 61 min | |
| May 20, 8:41 AM EDT | Special Marine Warning | MLB | 49 min | |
| May 20, 10:11 AM EDT | Areal Flood Warning | MLB | Volusia | 6 hr |
| May 20, 11:00 AM EDT | Lake Wind Advisory | MLB | Orange, Seminole, Volusia | 9 hr |
| May 20, 11:54 AM EDT | Coastal Flood Advisory | MLB | Volusia | 56 hr |
| May 20, 1:43 PM EDT | High Surf Advisory | MLB | Volusia | 54 hr |
| May 20, 2:04 PM EDT | Severe Thunderstorm Warning | MLB | Okeechobee | 38 min |
| May 20, 2:41 PM EDT | Tornado Warning | MLB | Orange | 34 min |
| May 20, 4:13 PM EDT | Areal Flood Warning | MLB | Volusia | 26 hr |
| May 20, 5:40 PM EDT | Severe Thunderstorm Warning | MLB | Indian River | 28 min |
| May 20, 5:49 PM EDT | Tornado Warning | MLB | Indian River, Okeechobee, Saint Lucie | 41 min |
| May 20, 6:25 PM EDT | Areal Flood Advisory | MLB | Brevard | 110 min |
Nearby
Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009
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.