Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jun 15, 2021, 4:16 PM EDT for Saint Lucie County, Florida. It was in force for 29 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
- Jun 15, 2021, 4:16 PM EDT (20:16 UTC)
- Expired
- Jun 15, 2021, 4:45 PM EDT
- In force
- 29 min
- Issued by
- NWS Melbourne, FL
County Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 97 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Jun 15, 4:44 PM EDT | TSTM WND GST 39 | 4 Nnw Saint Lucie Nucle, FL | WXFLOW SITE XSTL MEASURED A WIND GUST OF 39 MPH/34 KT FROM THE SOUTH. |
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, 8.3 hours before the alert went out and 132 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
- 833 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
936
WWUS82 KMLB 152016
SPSMLB
Special Weather Statement
National Weather Service Melbourne FL
416 PM EDT Tue Jun 15 2021
FLZ059-152045-
St. Lucie-
416 PM EDT Tue Jun 15 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ST. LUCIE COUNTY...
At 416 PM EDT, a strong thunderstorm was located over Indian River
Estates, or over Saint Lucie Nuclear Power Plant, moving northeast at
20 mph.
Winds in excess of 40 mph are possible with this storm.
Locations impacted include...
Port Saint Lucie, Walton, Fort Pierce, White City and Saint Lucie
Nuclear Power Plant.
Torrential rainfall is also occurring with this storm and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 2726 8016 2726 8028 2725 8029 2725 8040
2739 8041 2745 8023
TIME...MOT...LOC 2016Z 243DEG 19KT 2735 8028
$$
CombsThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 9:03 PM EDT | Special Marine Warning | MLB | 57 min | |
| Jun 15, 1:30 PM EDT | Special Marine Warning | MLB | 45 min | |
| Jun 15, 2:25 PM EDT | Special Marine Warning | MLB | 95 min | |
| Jun 15, 2:43 PM EDT | Special Weather Statement | MLB | Flagler | 32 min |
| Jun 15, 2:46 PM EDT | Special Marine Warning | MLB | 59 min | |
| Jun 15, 4:13 PM EDT | Special Marine Warning | MLB | 62 min | |
| Jun 15, 5:06 PM EDT | Areal Flood Advisory | MLB | Martin, Saint Lucie | 3 hr |
| Jun 15, 5:30 PM EDT | Special Weather Statement | MLB | Saint Lucie | 30 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.