Alert archive / Florida / Tornado Warnings in 2018
Tornado Warning 1, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Mar 20, 2018, 9:39 AM 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
- Mar 20, 2018, 9:39 AM EDT (13:39 UTC)
- Expired
- Mar 20, 2018, 10:30 AM EDT
- In force
- 51 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 121 km from the middle of the area, began a volume at 13:40 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, 1.7 hours before the alert went out and 94 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
- 860 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 864 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted.
999
WFUS52 KMLB 201339
TORMLB
FLC127-201430-
/O.NEW.KMLB.TO.W.0001.180320T1339Z-180320T1430Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
939 AM EDT TUE MAR 20 2018
The National Weather Service in Melbourne has issued a
* Tornado Warning for...
Central Volusia County in east central Florida...
* Until 1030 AM EDT
* At 939 AM EDT, a severe thunderstorm capable of producing a tornado
was located over DeLeon Springs, moving east at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Daytona Beach, Port Orange, DeLand, South Daytona and Holly Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2909 8089 2905 8136 2914 8139 2927 8099
TIME...MOT...LOC 1339Z 259DEG 32KT 2911 8131
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
153 follow-up statements
872
WWUS52 KMLB 201401
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
1001 AM EDT TUE MAR 20 2018
FLC127-201430-
/O.CON.KMLB.TO.W.0001.000000T0000Z-180320T1430Z/
Volusia FL-
1001 AM EDT TUE MAR 20 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT FOR EAST
CENTRAL VOLUSIA COUNTY...
At 958 AM EDT, a severe thunderstorm capable of producing a tornado
was located near 5 miles southwest of Daytona International
Speedway, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Port Orange, South Daytona, Daytona Beach Shores, Wilbur By The Sea.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 2909 8089 2907 8116 2915 8119 2922 8096
TIME...MOT...LOC 1358Z 261DEG 33KT 2913 8113
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
15191
WWUS52 KMLB 201417
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
1017 AM EDT TUE MAR 20 2018
FLC127-201430-
/O.CON.KMLB.TO.W.0001.000000T0000Z-180320T1430Z/
Volusia FL-
1017 AM EDT TUE MAR 20 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT FOR
NORTHEASTERN VOLUSIA COUNTY...
At 1016 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Port Orange, moving east at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Port Orange, Daytona Beach Shores, and Wilbur By The Sea.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a sturdy building.
Avoid windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 2916 8093 2912 8091 2912 8102 2915 8103
2921 8096
TIME...MOT...LOC 1416Z 258DEG 26KT 2916 8098
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
15314
WWUS52 KMLB 201422
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
1022 AM EDT TUE MAR 20 2018
FLC127-201430-
/O.EXP.KMLB.TO.W.0001.000000T0000Z-180320T1430Z/
Volusia FL-
1022 AM EDT TUE MAR 20 2018
...THE TORNADO WARNING FOR NORTHEASTERN VOLUSIA COUNTY WILL EXPIRE AT
1030 AM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm as it
moves quickly eastward across the near shore Volusia county Atlantic
waters.
LAT...LON 2916 8093 2912 8091 2912 8102 2915 8103
2921 8096
TIME...MOT...LOC 1420Z 259DEG 32KT 2917 8094
$$
15The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 3:13 AM EDT | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 17 hr |
| Mar 20, 3:17 AM EDT | Gale Warning | MLB | 31 hr | |
| Mar 20, 9:19 AM EDT | Special Weather Statement | MLB | Volusia | 56 min |
| Mar 20, 9:30 AM EDT | Severe Thunderstorm Warning | MLB | Volusia | 45 min |
| Mar 20, 10:31 AM EDT | Severe Thunderstorm Warning | MLB | Volusia | 29 min |
| Mar 20, 10:33 AM EDT | Special Marine Warning | MLB | 42 min | |
| Mar 20, 1:39 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 36 min |
| Mar 20, 1:57 PM EDT | Tornado Warning | MLB | Lake, Orange | 33 min |
| Mar 20, 2:17 PM EDT | Special Weather Statement | MLB | Lake, Orange, Seminole, Volusia | 58 min |
| Mar 20, 2:24 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 36 min |
| Mar 20, 2:26 PM EDT | Tornado Warning | MLB | Orange, Seminole | 34 min |
| Mar 20, 2:32 PM EDT | Tornado Warning | MLB | Lake | 18 min |
| Mar 20, 2:48 PM EDT | Severe Thunderstorm Warning | MLB | Orange, Seminole | 27 min |
| Mar 20, 3:03 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 27 min |
| Mar 20, 3:09 PM EDT | Special Marine Warning | MLB | 111 min | |
| Mar 20, 3:18 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 27 min |
| Mar 20, 3:20 PM EDT | Special Weather Statement | MLB | Lake, Orange, Seminole, Volusia | 55 min |
| Mar 20, 3:42 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 48 min |
| Mar 20, 4:14 PM EDT | Special Weather Statement | MLB | Volusia | 61 min |
| Mar 20, 4:50 PM EDT | Special Weather Statement | MLB | Lake, Orange | 55 min |
| Mar 20, 5:05 PM EDT | Special Weather Statement | MLB | Indian River, Okeechobee, Osceola, Saint Lucie | 85 min |
| Mar 20, 5:20 PM EDT | Special Marine Warning | MLB | 115 min | |
| Mar 20, 5:25 PM EDT | Tornado Warning | MLB | Okeechobee | 35 min |
| Mar 20, 5:26 PM EDT | Special Weather Statement | MLB | Volusia | 49 min |
| Mar 20, 5:32 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 28 min |
| Mar 20, 5:38 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Mar 20, 5:56 PM EDT | Severe Thunderstorm Warning | MLB | Indian River, Okeechobee, Saint Lucie | 34 min |
| Mar 20, 6:00 PM EDT | Special Weather Statement | MLB | Orange, Seminole | 60 min |
| Mar 20, 6:35 PM EDT | Special Weather Statement | MLB | Saint Lucie | 25 min |
| Mar 20, 7:25 PM EDT | Special Weather Statement | MLB | Saint Lucie | 20 min |
| Mar 20, 7:50 PM EDT | Special Weather Statement | MLB | Martin | 25 min |
Nearby
Tornado Warnings in Florida, 2018Every tornado warning in 2018Tornadoes in 2018
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.