Alert archive / Florida / Tornado Warnings in 2007
Tornado Warning 20, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Sep 20, 2007, 10:17 PM EDT for Orange County, Florida. It was in force for 33 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
- Sep 20, 2007, 10:17 PM EDT (02:17 UTC)
- Expired
- Sep 20, 2007, 10:50 PM EDT
- In force
- 33 min
- Issued by
- NWS Melbourne, FL
- Area
- Counties, with a storm outline in the text
County Orange County, FL
The radar
The Melbourne radar (KMLB), 106 km from the middle of the area, began a volume at 02:17 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 00:00Z, 2.3 hours before the alert went out and 106 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
- 2928 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 705 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS52 KMLB 210218
TORMLB
FLC095-210300-
/O.NEW.KMLB.TO.W.0020.070921T0217Z-070921T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1017 PM EDT THU SEP 20 2007
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN ORANGE COUNTY IN EAST CENTRAL FLORIDA... THIS
INCLUDES THE CITIES OF...ZELLWOOD......PINE HILLS...LAKE
APOPKA...APOPKA...
* UNTIL 1100 PM EDT
* AT 1016 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING OVER LAKE APOPKA...MOVING
NORTHWEST AT 35 MPH.
* THE TORNADO WILL BE NEAR...
ZELLWOOD BY 1030 PM EDT...
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.
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.
LAT...LON 2854 8144 2847 8163 2854 8167 2858 8165
2876 8165 2878 8156 2876 8154
TIME...MOT...LOC 0217Z 156DEG 31KT 2862 8159
$$
VOLKMER3 follow-up statements
000
WFUS52 KMLB 210221 CCA
TORMLB
FLC095-210300-
/O.COR.KMLB.TO.W.0020.070921T0217Z-070921T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED
NATIONAL WEATHER SERVICE MELBOURNE FL
1017 PM EDT THU SEP 20 2007
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN ORANGE COUNTY IN EAST CENTRAL FLORIDA... THIS
INCLUDES THE CITIES OF...ZELLWOOD......PINE HILLS...LAKE
APOPKA...APOPKA...
* UNTIL 1100 PM EDT
* AT 1016 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER LAKE
APOPKA...MOVING NORTHWEST AT 35 MPH.
* THE TORNADO WILL BE NEAR...
ZELLWOOD BY 1030 PM EDT...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR...IN AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.
KEEP AWAY FROM WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.
LAT...LON 2854 8144 2847 8163 2854 8167 2858 8165
2876 8165 2878 8156 2876 8154
TIME...MOT...LOC 0217Z 156DEG 31KT 2862 8159
$$
VOLKMER000
WWUS52 KMLB 210233
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1030 PM EDT THU SEP 20 2007
FLC095-210300-
/O.CON.KMLB.TO.W.0020.000000T0000Z-070921T0300Z/
ORANGE FL-
1030 PM EDT THU SEP 20 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
NORTHWEST ORANGE COUNTY...
AT 1025 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
4 MILES NORTH OF LAKE APOPKA...MOVING NORTHWEST AT 35 MPH.
THE TORNADO WILL BE NEAR...
5 MILES WEST OF ZELLWOOD BY 1035 PM EDT...
3 MILES WEST TANGERINE BY 1040 PM EDT...
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.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
LAT...LON 2854 8144 2847 8163 2854 8167 2858 8165
2876 8165 2878 8156 2876 8154
TIME...MOT...LOC 0230Z 156DEG 31KT 2872 8164
$$
VOLKMER000
WWUS52 KMLB 210250
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1049 PM EDT THU SEP 20 2007
FLC095-210259-
/O.CAN.KMLB.TO.W.0020.000000T0000Z-070921T0300Z/
ORANGE FL-
1049 PM EDT THU SEP 20 2007
...THE TORNADO WARNING FOR NORTHWESTERN ORANGE COUNTY IS CANCELLED...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE STORM AND
TORNADO THAT PROMPTED THE WARNING HAD MOVED NORTHWEST INTO NORTHERN
LAKE COUNTY NEAR MOUNT DORA. THE TORNADO WARNING FOR ORANGE COUNTY
IS CANCELLED.
A TORNADO WARNING REMAINS IN EFFECT FOR LAKE COUNTY UNTIL 1115 PM
EDT.
LAT...LON 2854 8144 2847 8163 2854 8167 2858 8165
2876 8165 2878 8156 2876 8154
TIME...MOT...LOC 0249Z 156DEG 31KT 2887 8172
$$The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:22 PM EDT | Tornado Warning | MLB | Lake | 23 min |
| Sep 20, 10:33 PM EDT | Tornado Warning | MLB | Lake | 42 min |
| Sep 20, 11:09 PM EDT | Tornado Warning | MLB | Lake | 66 min |
| Sep 21, 5:41 PM EDT | Tornado Warning | MLB | Brevard | 34 min |
Nearby
Tornado Warnings in Florida, 2007Every tornado warning in 2007Tornadoes in 2007
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.