Alert archive / Florida / Tornado Warnings in 2020
Tornado Warning 27, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Aug 18, 2020, 3:52 PM EDT for Volusia County, Florida. It was in force for 23 min. 1 report 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
- Aug 18, 2020, 3:52 PM EDT (19:52 UTC)
- Expired
- Aug 18, 2020, 4:15 PM EDT
- In force
- 23 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 121 km from the middle of the area, began a volume at 19:56 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 |
|---|---|---|---|
| Aug 18, 3:52 PM EDT | TSTM WND DMG | Deland, FL | NUMEROUS PICTURES AND REPORTS OF STRUCTURAL DAMAGE ALONG WITH LARGE TREES SNAPPED IN NORTH DELAND. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR. |
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 12:00Z, 7.9 hours before the alert went out and 98 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
- 475 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 1373 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
882
WFUS52 KMLB 181952
TORMLB
FLC127-182015-
/O.NEW.KMLB.TO.W.0027.200818T1952Z-200818T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
352 PM EDT Tue Aug 18 2020
The National Weather Service in Melbourne has issued a
* Tornado Warning for...
Central Volusia County in east central Florida...
* Until 415 PM EDT.
* At 352 PM EDT, a severe thunderstorm capable of producing a tornado
was located over DeLand, moving east at 20 mph.
HAZARD...Tornado and quarter size hail.
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...
DeLand, Lake Helen, DeLand Airport, West DeLand and Glenwood.
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 2916 8116 2898 8110 2899 8134 2902 8136
2908 8137
TIME...MOT...LOC 1952Z 251DEG 16KT 2904 8132
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Combs2 follow-up statements
576
WWUS52 KMLB 182009
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
409 PM EDT Tue Aug 18 2020
FLC127-182015-
/O.CON.KMLB.TO.W.0027.000000T0000Z-200818T2015Z/
Volusia FL-
409 PM EDT Tue Aug 18 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR CENTRAL
VOLUSIA COUNTY...
At 408 PM EDT, a severe thunderstorm capable of producing a tornado
was located east of DeLand Airport, or near DeLand, moving northeast
at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
DeLand, DeLand Airport, DeLand Highlands and North DeLand.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2902 8111 2903 8130 2909 8130 2914 8115
TIME...MOT...LOC 2008Z 247DEG 17KT 2907 8125
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Combs274
WWUS52 KMLB 182014
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
414 PM EDT Tue Aug 18 2020
FLC127-182023-
/O.EXP.KMLB.TO.W.0027.000000T0000Z-200818T2015Z/
Volusia FL-
414 PM EDT Tue Aug 18 2020
...THE TORNADO WARNING FOR CENTRAL VOLUSIA COUNTY WILL EXPIRE AT 415
PM 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, frequent lightning, and heavy rain are still possible with
this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Melbourne.
LAT...LON 2902 8111 2903 8130 2909 8130 2914 8115
TIME...MOT...LOC 2013Z 251DEG 16KT 2908 8123
$$
CombsThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 2:18 PM EDT | Special Marine Warning | MLB | 117 min | |
| Aug 18, 2:29 PM EDT | Special Weather Statement | MLB | Volusia | 46 min |
| Aug 18, 2:33 PM EDT | Special Weather Statement | MLB | Orange | 42 min |
| Aug 18, 2:36 PM EDT | Areal Flood Advisory | MLB | Volusia | 114 min |
| Aug 18, 2:40 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 10 min |
| Aug 18, 2:46 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 44 min |
| Aug 18, 3:07 PM EDT | Special Weather Statement | MLB | Seminole | 53 min |
| Aug 18, 3:18 PM EDT | Special Weather Statement | MLB | Osceola | 27 min |
| Aug 18, 3:27 PM EDT | Special Weather Statement | MLB | Volusia | 48 min |
| Aug 18, 3:30 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Aug 18, 3:43 PM EDT | Special Weather Statement | MLB | Brevard | 47 min |
| Aug 18, 3:47 PM EDT | Areal Flood Advisory | MLB | Brevard, Volusia | 118 min |
| Aug 18, 3:50 PM EDT | Special Weather Statement | MLB | Volusia | 25 min |
| Aug 18, 3:56 PM EDT | Special Weather Statement | MLB | Osceola | 34 min |
| Aug 18, 4:12 PM EDT | Special Marine Warning | MLB | 55 min | |
| Aug 18, 4:19 PM EDT | Areal Flood Warning | MLB | Volusia | 3 hr |
| Aug 18, 4:27 PM EDT | Special Weather Statement | MLB | Brevard | 48 min |
| Aug 18, 4:40 PM EDT | Special Weather Statement | MLB | Brevard | 50 min |
| Aug 18, 4:41 PM EDT | Areal Flood Advisory | MLB | Brevard | 94 min |
| Aug 18, 4:43 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 22 min |
| Aug 18, 4:55 PM EDT | Special Weather Statement | MLB | Indian River | 50 min |
| Aug 18, 5:17 PM EDT | Special Weather Statement | MLB | Okeechobee | 28 min |
| Aug 18, 5:26 PM EDT | Special Marine Warning | MLB | 94 min | |
| Aug 18, 5:32 PM EDT | Special Marine Warning | MLB | 58 min | |
| Aug 18, 5:46 PM EDT | Special Weather Statement | MLB | Martin | 29 min |
| Aug 18, 5:54 PM EDT | Special Weather Statement | MLB | Indian River | 51 min |
| Aug 18, 6:08 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Aug 18, 6:27 PM EDT | Special Weather Statement | MLB | Martin | 33 min |
| Aug 18, 6:42 PM EDT | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 35 min |
| Aug 18, 6:44 PM EDT | Areal Flood Warning | MLB | Martin, Saint Lucie | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.