Alert archive / Florida / Tornado Warnings in 2020
Tornado Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Apr 20, 2020, 10:49 AM EDT for Volusia County, Florida. It was in force for 26 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
- Apr 20, 2020, 10:49 AM EDT (14:49 UTC)
- Expired
- Apr 20, 2020, 11:15 AM EDT
- In force
- 26 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), 122 km from the middle of the area, began a volume at 14:52 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 20, 7:02 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 2.8 hours before the alert went out and 103 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
- 2398 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 18.3
The text
As transmitted.
960
WFUS52 KMLB 201449
TORMLB
FLC127-201515-
/O.NEW.KMLB.TO.W.0003.200420T1449Z-200420T1515Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
1049 AM EDT Mon Apr 20 2020
The National Weather Service in Melbourne has issued a
* Tornado Warning for...
Central Volusia County in east central Florida...
* Until 1115 AM EDT.
* At 1049 AM EDT, a severe thunderstorm capable of producing a
tornado was located 7 miles southwest of DeLeon Springs, 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.
* This dangerous storm will be near...
DeLand, Orange City and DeLand Airport around 1100 AM EDT.
Deltona and Lake Helen around 1110 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Cassadaga.
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 2914 8117 2890 8111 2896 8137 2897 8137
2898 8136 2899 8136 2899 8137 2903 8140
2904 8143 2906 8145 2906 8146 2911 8146
TIME...MOT...LOC 1449Z 279DEG 34KT 2904 8143
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Sedlock1 follow-up statement
070
WWUS52 KMLB 201459
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
1059 AM EDT Mon Apr 20 2020
FLC127-201515-
/O.CON.KMLB.TO.W.0003.000000T0000Z-200420T1515Z/
Volusia FL-
1059 AM EDT Mon Apr 20 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR CENTRAL
VOLUSIA COUNTY...
At 1058 AM EDT, a severe thunderstorm capable of producing a tornado
was located over DeLand, moving east-southeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
DeLand, Orange City and DeLand Airport around 1100 AM EDT.
Deltona and Lake Helen around 1110 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Cassadaga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2914 8117 2890 8111 2896 8137 2897 8137
2898 8136 2899 8136 2899 8137 2903 8138
2904 8139 2906 8138 2906 8136 2908 8133
TIME...MOT...LOC 1458Z 280DEG 34KT 2902 8133
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SedlockThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 3:06 AM EDT | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 17 hr |
| Apr 20, 9:41 AM EDT | Special Weather Statement | MLB | Volusia | 64 min |
| Apr 20, 10:12 AM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 63 min |
| Apr 20, 10:32 AM EDT | Special Weather Statement | MLB | Lake | 43 min |
| Apr 20, 10:38 AM EDT | Special Marine Warning | MLB | 119 min | |
| Apr 20, 10:42 AM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Seminole, Volusia | 63 min |
| Apr 20, 11:06 AM EDT | Tornado Warning | MLB | Lake, Orange, Seminole | 24 min |
| Apr 20, 11:10 AM EDT | Severe Thunderstorm Warning | MLB | Seminole, Volusia | 50 min |
| Apr 20, 11:13 AM EDT | Tornado Warning | MLB | Volusia | 32 min |
| Apr 20, 11:28 AM EDT | Tornado Warning | MLB | Orange, Seminole | 32 min |
| Apr 20, 11:32 AM EDT | Special Marine Warning | MLB | 2 hr | |
| Apr 20, 11:44 AM EDT | Severe Thunderstorm Warning | MLB | Brevard, Seminole, Volusia | 46 min |
| Apr 20, 11:48 AM EDT | Tornado Warning | MLB | Brevard, Seminole, Volusia | 42 min |
| Apr 20, 11:59 AM EDT | Tornado Warning | MLB | Brevard | 31 min |
| Apr 20, 12:14 PM EDT | Tornado Warning | MLB | Brevard | 31 min |
| Apr 20, 12:16 PM EDT | Tornado Warning | MLB | Brevard | 29 min |
| Apr 20, 12:56 PM EDT | Special Weather Statement | MLB | Osceola | 64 min |
| Apr 20, 1:05 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 55 min |
| Apr 20, 1:52 PM EDT | Special Weather Statement | MLB | Brevard | 53 min |
| Apr 20, 1:56 PM EDT | Special Marine Warning | MLB | 68 min | |
| Apr 20, 2:43 PM EDT | Special Weather Statement | MLB | Osceola | 47 min |
| Apr 20, 3:02 PM EDT | Special Weather Statement | MLB | Okeechobee | 58 min |
| Apr 20, 4:40 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Apr 20, 4:44 PM EDT | Special Weather Statement | MLB | Okeechobee | 46 min |
| Apr 20, 5:06 PM EDT | Special Weather Statement | MLB | Martin | 39 min |
| Apr 20, 5:16 PM EDT | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 33 min |
| Apr 20, 5:21 PM EDT | Tornado Warning | MLB | Martin | 24 min |
| Apr 20, 5:41 PM EDT | Special Marine Warning | MLB | 49 min |
Nearby
Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes in 2020
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.