Alert archive / Florida / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 39, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 7, 2020, 8:22 PM EDT for Volusia County, Florida. It was in force for 40 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
- Jun 7, 2020, 8:22 PM EDT (00:22 UTC)
- Expired
- Jun 7, 2020, 9:02 PM EDT
- In force
- 40 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 131 km from the middle of the area, began a volume at 00:24 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, 0.4 hours before the alert went out and 102 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
- 2042 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.6
The text
As transmitted.
550
WUUS52 KMLB 080022
SVRMLB
FLC127-080115-
/O.NEW.KMLB.SV.W.0039.200608T0022Z-200608T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Melbourne FL
822 PM EDT Sun Jun 7 2020
The National Weather Service in Melbourne has issued a
* Severe Thunderstorm Warning for...
Central Volusia County in east central Florida...
* Until 915 PM EDT.
* At 820 PM EDT, a severe thunderstorm was located near Lake Helen,
moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Daytona Beach, Port Orange, Ormond Beach, DeLand and New Smyrna
Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2943 8107 2913 8091 2893 8112 2901 8125
2943 8109
TIME...MOT...LOC 0020Z 205DEG 24KT 2905 8115
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Leahy1 follow-up statement
047
WWUS52 KMLB 080102
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
902 PM EDT Sun Jun 7 2020
FLC127-080110-
/O.CAN.KMLB.SV.W.0039.000000T0000Z-200608T0115Z/
Volusia FL-
902 PM EDT Sun Jun 7 2020
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL VOLUSIA COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 2943 8107 2913 8091 2893 8112 2901 8125
2943 8109
TIME...MOT...LOC 0059Z 205DEG 24KT 2930 8102
$$
LeahyThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 8:10 PM EDT | Special Weather Statement | MLB | Volusia | 50 min |
| Jun 7, 8:27 PM EDT | Special Marine Warning | MLB | 56 min | |
| Jun 7, 8:34 PM EDT | Tornado Warning | MLB | Volusia | 26 min |
| Jun 8, 1:40 PM EDT | Special Weather Statement | MLB | Lake | 35 min |
| Jun 8, 2:12 PM EDT | Special Weather Statement | MLB | Volusia | 33 min |
| Jun 8, 2:26 PM EDT | Special Marine Warning | MLB | 64 min | |
| Jun 8, 2:36 PM EDT | Special Weather Statement | MLB | Volusia | 39 min |
| Jun 8, 3:30 PM EDT | Areal Flood Advisory | MLB | Martin | 60 min |
| Jun 8, 3:43 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Jun 8, 3:51 PM EDT | Special Weather Statement | MLB | Brevard | 39 min |
| Jun 8, 4:00 PM EDT | Special Weather Statement | MLB | Okeechobee | 45 min |
| Jun 8, 5:37 PM EDT | Special Weather Statement | MLB | Indian River | 53 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning 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.