Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at May 12, 2021, 5:13 PM EDT for Brevard County, Florida. It was in force for 32 min. 4 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
- May 12, 2021, 5:13 PM EDT (21:13 UTC)
- Expired
- May 12, 2021, 5:45 PM EDT
- In force
- 32 min
- Issued by
- NWS Melbourne, FL
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 6 km from the middle of the area, began a volume at 21:12 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 |
|---|---|---|---|
| May 12, 5:30 PM EDT | TSTM WND GST 41 | 4 N Melbourne, FL | WXFLOW STATION MEASURED A WIND GUST OF 41MPH/36KT FROM THE SE. |
| May 12, 5:37 PM EDT | TSTM WND GST 39 | Melbourne Airport, FL | MELBOURNE INTERNATIONAL AIRPORT MEASURED A WIND GUST OF 39MPH/34KT FROM THE NE. |
| May 12, 5:44 PM EDT | HAIL 0.75 | 2 Nnw Indialantic, FL | TRAINED SPOTTER REPORTED 0.75 INCH HAIL IN INDIALANTIC ON PARADISE BLVD. |
| May 12, 5:54 PM EDT | HAIL 0.7 | Melbourne Beach, FL | DIME SIZE HAIL IN MELBOURNE BEACH REPORTED BY PUBLIC VIA SOCIAL MEDIA. |
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, 9.2 hours before the alert went out and 43 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
- 399 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
021
WWUS82 KMLB 122113
SPSMLB
Special Weather Statement
National Weather Service Melbourne FL
513 PM EDT Wed May 12 2021
FLZ047-122145-
Southern Brevard County FL-
513 PM EDT Wed May 12 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BREVARD COUNTY UNTIL
545 PM EDT...
At 512 PM EDT, Doppler radar was tracking a strong thunderstorm over
Melbourne, moving southeast at 10 mph.
Pea size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Palm Bay, Melbourne, Satellite Beach, Malabar and Indialantic.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 2794 8056 2810 8078 2825 8068 2822 8056
2813 8054 2806 8051
TIME...MOT...LOC 2112Z 298DEG 9KT 2814 8066
$$
WatsonThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 1:29 PM EDT | Special Weather Statement | MLB | Orange | 61 min |
| May 12, 2:27 PM EDT | Special Marine Warning | MLB | 93 min | |
| May 12, 2:40 PM EDT | Special Weather Statement | MLB | Volusia | 50 min |
| May 12, 2:45 PM EDT | Small Craft Advisory | MLB | 4 days | |
| May 12, 2:53 PM EDT | Special Weather Statement | MLB | Lake | 52 min |
| May 12, 3:06 PM EDT | Special Marine Warning | MLB | 54 min | |
| May 12, 3:26 PM EDT | Special Weather Statement | MLB | Orange | 34 min |
| May 12, 3:56 PM EDT | Special Marine Warning | MLB | 3 hr | |
| May 12, 4:09 PM EDT | Special Weather Statement | MLB | Orange | 36 min |
| May 12, 4:46 PM EDT | Special Weather Statement | MLB | Osceola | 29 min |
| May 12, 4:56 PM EDT | Special Weather Statement | MLB | Brevard | 34 min |
| May 12, 5:12 PM EDT | Special Marine Warning | MLB | 2 hr | |
| May 12, 5:17 PM EDT | Special Weather Statement | MLB | Flagler | 28 min |
| May 12, 5:25 PM EDT | Special Weather Statement | MLB | Lake | 35 min |
| May 12, 5:51 PM EDT | Special Weather Statement | MLB | Brevard | 24 min |
| May 12, 6:26 PM EDT | Special Weather Statement | MLB | Indian River | 34 min |
| May 12, 7:50 PM EDT | Special Weather Statement | MLB | Volusia | 25 min |
Nearby
Special Weather Statements in Florida, 2021Every special weather statement 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.