Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 32, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Aug 2, 2021, 3:14 PM EDT for Brevard County, Orange County, Osceola County, Florida. It was in force for 46 min. 3 reports 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 2, 2021, 3:14 PM EDT (19:14 UTC)
- Expired
- Aug 2, 2021, 4:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Brevard County, FL, Orange County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 35 km from the middle of the area, began a volume at 19:18 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 2, 3:29 PM EDT | TSTM WND GST 55 | 4 Wsw Cocoa, FL | WEATHER UNDERGROUND SITE KFLCOCOA137 ON LAKE POINSETT MEASURES WIND GUST OF 55MPH FROM THE W |
| Aug 2, 3:40 PM EDT | TSTM WND GST 45 | 2 Nnw Cocoa, FL | USAF TOWER KSC-1000 MEASURES WIND GUST OF 39KT/45MPH FROM W |
| Aug 2, 3:40 PM EDT | TSTM WND GST 50 | Rockledge, FL | SPOTTER ESTIMATES WIND GUSTS OF 50-60MPH WITH SMALL TREE BRANCHES DOWN. TIME BASED ON 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, 7.2 hours before the alert went out and 44 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
- 1347 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 904 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted.
452 WUUS52 KMLB 021914 SVRMLB FLC009-095-097-022000- /O.NEW.KMLB.SV.W.0032.210802T1914Z-210802T2000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Melbourne FL 314 PM EDT Mon Aug 2 2021 The National Weather Service in Melbourne has issued a * Severe Thunderstorm Warning for... Central Brevard County in east central Florida... Southeastern Orange County in east central Florida... Northeastern Osceola County in east central Florida... * Until 400 PM EDT. * At 313 PM EDT, a severe thunderstorm was located near Lone Cabbage Fish Camp, moving east at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Rockledge, Cocoa, Lone Cabbage Fish Camp, Sharpes and Port Saint John. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Damaging winds and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 2822 8103 2842 8108 2850 8077 2826 8069 TIME...MOT...LOC 1913Z 250DEG 19KT 2837 8095 HAIL...<.75IN WIND...60MPH $$ Kelly
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:32 PM EDT | Special Marine Warning | MLB | 58 min | |
| Aug 1, 9:24 PM EDT | Special Weather Statement | MLB | Brevard | 66 min |
| Aug 1, 9:30 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Aug 2, 12:40 PM EDT | Special Weather Statement | MLB | Seminole | 50 min |
| Aug 2, 12:44 PM EDT | Special Marine Warning | MLB | 61 min | |
| Aug 2, 1:23 PM EDT | Special Weather Statement | MLB | Lake | 52 min |
| Aug 2, 2:07 PM EDT | Special Marine Warning | MLB | 53 min | |
| Aug 2, 2:14 PM EDT | Special Weather Statement | MLB | Orange | 46 min |
| Aug 2, 2:22 PM EDT | Special Weather Statement | MLB | Volusia | 38 min |
| Aug 2, 2:24 PM EDT | Areal Flood Advisory | MLB | Volusia | 111 min |
| Aug 2, 2:30 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 17 min |
| Aug 2, 2:53 PM EDT | Areal Flood Advisory | MLB | Orange | 112 min |
| Aug 2, 2:53 PM EDT | Special Weather Statement | MLB | Osceola | 52 min |
| Aug 2, 3:01 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 48 min |
| Aug 2, 3:02 PM EDT | Special Marine Warning | MLB | 88 min | |
| Aug 2, 3:14 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Aug 2, 3:30 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 45 min |
| Aug 2, 3:49 PM EDT | Special Weather Statement | MLB | Orange | 41 min |
| Aug 2, 4:44 PM EDT | Special Marine Warning | MLB | 3 hr | |
| Aug 2, 5:04 PM EDT | Special Weather Statement | MLB | Martin | 56 min |
| Aug 2, 5:07 PM EDT | Special Weather Statement | MLB | Indian River | 38 min |
| Aug 2, 6:11 PM EDT | Special Weather Statement | MLB | Okeechobee, Saint Lucie | 94 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.