Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 21, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 16, 2021, 4:52 PM EDT for Indian River County, Florida. It was in force for 38 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 16, 2021, 4:52 PM EDT (20:52 UTC)
- Expired
- Jun 16, 2021, 5:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Indian River County, FL
The radar
The Melbourne radar (KMLB), 52 km from the middle of the area, began a volume at 20:54 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, 8.9 hours before the alert went out and 89 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
- 72 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1263 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -90 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
779 WUUS52 KMLB 162052 SVRMLB FLC061-162130- /O.NEW.KMLB.SV.W.0021.210616T2052Z-210616T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Melbourne FL 452 PM EDT Wed Jun 16 2021 The National Weather Service in Melbourne has issued a * Severe Thunderstorm Warning for... Southeastern Indian River County in east central Florida... * Until 530 PM EDT. * At 452 PM EDT, a severe thunderstorm was located over Winter Beach, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Sebastian, Vero Beach, Indian River Shores, Vero Beach South and Gifford. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2763 8058 2776 8054 2778 8038 2756 8028 TIME...MOT...LOC 2052Z 283DEG 23KT 2771 8046 HAIL...<.75IN WIND...60MPH $$ Combs
3 follow-up statements
764
WWUS52 KMLB 162059
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
459 PM EDT Wed Jun 16 2021
FLC061-162130-
/O.CON.KMLB.SV.W.0021.000000T0000Z-210616T2130Z/
Indian River FL-
459 PM EDT Wed Jun 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN INDIAN RIVER COUNTY...
At 459 PM EDT, a severe thunderstorm was located near Winter Beach,
moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Sebastian, Vero Beach, Indian River Shores, Vero Beach South and
Gifford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2761 8051 2777 8050 2778 8038 2757 8029
2756 8029
TIME...MOT...LOC 2059Z 283DEG 23KT 2770 8041
HAIL...<.75IN
WIND...60MPH
$$
Combs375
WWUS52 KMLB 162108
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
508 PM EDT Wed Jun 16 2021
FLC061-162130-
/O.CON.KMLB.SV.W.0021.000000T0000Z-210616T2130Z/
Indian River FL-
508 PM EDT Wed Jun 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN INDIAN RIVER COUNTY...
At 508 PM EDT, a severe thunderstorm was located near Vero Beach,
moving east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Vero Beach, Indian River Shores, Vero Beach South, Gifford and Winter
Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2756 8029 2760 8045 2776 8044 2776 8037
2757 8029
TIME...MOT...LOC 2108Z 286DEG 15KT 2763 8037
HAIL...<.75IN
WIND...60MPH
$$
Combs864
WWUS52 KMLB 162121
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
521 PM EDT Wed Jun 16 2021
FLC061-162130-
/O.EXP.KMLB.SV.W.0021.000000T0000Z-210616T2130Z/
Indian River FL-
521 PM EDT Wed Jun 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN INDIAN RIVER
COUNTY WILL EXPIRE AT 530 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However heavy rain and frequent lightning are
still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Melbourne.
LAT...LON 2756 8029 2760 8045 2776 8044 2776 8037
2757 8029
TIME...MOT...LOC 2120Z 285DEG 20KT 2761 8038
$$
CombsThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 9:19 PM EDT | Special Marine Warning | MLB | 86 min | |
| Jun 15, 9:39 PM EDT | Areal Flood Advisory | MLB | Brevard, Orange | 81 min |
| Jun 15, 9:44 PM EDT | Special Weather Statement | MLB | Brevard | 31 min |
| Jun 16, 1:37 PM EDT | Special Marine Warning | MLB | 83 min | |
| Jun 16, 2:29 PM EDT | Special Weather Statement | MLB | Orange, Seminole | 61 min |
| Jun 16, 2:43 PM EDT | Special Weather Statement | MLB | Brevard, Seminole | 47 min |
| Jun 16, 2:55 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Jun 16, 2:59 PM EDT | Special Marine Warning | MLB | 91 min | |
| Jun 16, 3:27 PM EDT | Special Weather Statement | MLB | Brevard, Osceola | 63 min |
| Jun 16, 3:55 PM EDT | Areal Flood Advisory | MLB | Brevard | 95 min |
| Jun 16, 4:32 PM EDT | Special Weather Statement | MLB | Indian River, Okeechobee, Saint Lucie | 58 min |
| Jun 16, 4:36 PM EDT | Special Marine Warning | MLB | 114 min | |
| Jun 16, 5:04 PM EDT | Special Weather Statement | MLB | Okeechobee | 26 min |
| Jun 16, 5:30 PM EDT | Special Weather Statement | MLB | Saint Lucie | 45 min |
| Jun 16, 7:54 PM EDT | Areal Flood Advisory | MLB | Martin, Saint Lucie | 81 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021
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.