Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Feb 19, 2021, 2:25 PM EST for Brevard County, Florida. It was in force for 35 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
- Feb 19, 2021, 2:25 PM EST (19:25 UTC)
- Expired
- Feb 19, 2021, 3:00 PM EST
- In force
- 35 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 32 km from the middle of the area, began a volume at 19:25 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 |
|---|---|---|---|
| Feb 19, 2:40 PM EST | TSTM WND GST 41 | 3 Sse Cocoa, FL | WIND TOWER 9404 AT KSC REPORTED A 41MPH/36KT WIND GUST FROM THE W |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 7.4 hours before the alert went out and 190 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
- 794 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 750 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.0
The text
As transmitted.
592
WUUS52 KMLB 191925
SVRMLB
FLC009-192000-
/O.NEW.KMLB.SV.W.0003.210219T1925Z-210219T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Melbourne FL
225 PM EST Fri Feb 19 2021
The National Weather Service in Melbourne has issued a
* Severe Thunderstorm Warning for...
Central Brevard County in east central Florida...
* Until 300 PM EST.
* At 225 PM EST, a severe thunderstorm was located near Cocoa, moving
northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Rockledge, Cocoa, Cocoa Beach, Cape Canaveral and Merritt Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2839 8056 2834 8057 2831 8085 2841 8083
2851 8052 2843 8052
TIME...MOT...LOC 1925Z 242DEG 27KT 2836 8080
HAIL...<.75IN
WIND...60MPH
$$
Combs3 follow-up statements
121
WWUS52 KMLB 191939
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
239 PM EST Fri Feb 19 2021
FLC009-192000-
/O.CON.KMLB.SV.W.0003.000000T0000Z-210219T2000Z/
Brevard FL-
239 PM EST Fri Feb 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EST
FOR CENTRAL BREVARD COUNTY...
At 238 PM EST, a severe thunderstorm was located over Merritt Island,
moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rockledge, Cocoa, Cocoa Beach, Cape Canaveral and Merritt Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2839 8056 2834 8057 2832 8076 2832 8078
2843 8076 2851 8052 2843 8052
TIME...MOT...LOC 1938Z 246DEG 26KT 2838 8070
HAIL...<.75IN
WIND...60MPH
$$
Combs236
WWUS52 KMLB 191950
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
250 PM EST Fri Feb 19 2021
FLC009-192000-
/O.CON.KMLB.SV.W.0003.000000T0000Z-210219T2000Z/
Brevard FL-
250 PM EST Fri Feb 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EST
FOR EAST CENTRAL BREVARD COUNTY...
At 249 PM EST, a severe thunderstorm was located near Cape
Canaveral, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Cocoa Beach, Cape Canaveral, Port Canaveral, Merritt Island and Jetty
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2839 8056 2834 8057 2833 8070 2846 8068
2851 8052 2843 8052
TIME...MOT...LOC 1949Z 249DEG 26KT 2840 8061
HAIL...<.75IN
WIND...60MPH
$$
Combs928
WWUS52 KMLB 191959
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
259 PM EST Fri Feb 19 2021
FLC009-192008-
/O.EXP.KMLB.SV.W.0003.000000T0000Z-210219T2000Z/
Brevard FL-
259 PM EST Fri Feb 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BREVARD COUNTY
WILL EXPIRE AT 300 PM EST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and lightning are still possible with this thunderstorm.
LAT...LON 2839 8056 2834 8057 2833 8070 2846 8068
2851 8052 2843 8052
TIME...MOT...LOC 1958Z 239DEG 27KT 2844 8055
$$
CombsThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 3:44 AM EST | Small Craft Advisory | MLB | 4 days | |
| Feb 19, 1:56 PM EST | Special Marine Warning | MLB | 64 min | |
| Feb 19, 2:04 PM EST | Special Marine Warning | MLB | 56 min | |
| Feb 19, 2:21 PM EST | Special Weather Statement | MLB | Brevard | 39 min |
| Feb 19, 2:24 PM EST | Special Marine Warning | MLB | 96 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.