Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Feb 16, 2021, 1:07 AM EST for Osceola County, Florida. It was in force for 53 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
- Feb 16, 2021, 1:07 AM EST (06:07 UTC)
- Expired
- Feb 16, 2021, 2:00 AM EST
- In force
- 53 min
- Issued by
- NWS Melbourne, FL
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 74 km from the middle of the area, began a volume at 06:11 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 00:00Z, 6.1 hours before the alert went out and 97 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
- 1262 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1137 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 2.8
The text
As transmitted.
110
WWUS82 KMLB 160607
SPSMLB
Special Weather Statement
National Weather Service Melbourne FL
107 AM EST Tue Feb 16 2021
FLZ045-053-160700-
Osceola FL-Orange FL-
107 AM EST Tue Feb 16 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL ORANGE AND
NORTHWESTERN OSCEOLA COUNTIES UNTIL 200 AM EST...
At 104 AM EST, Doppler radar was tracking a strong thunderstorm
that will move into Osceola County, moving northeast at 35 mph.
Pea size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Orlando, Kissimmee, Saint Cloud, Celebration and West Lake Toho.
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 2847 8115 2795 8109 2792 8132 2794 8135
2794 8134 2800 8139 2800 8142 2804 8146
2806 8146 2806 8144 2801 8138 2808 8135
2809 8145 2814 8146 2814 8152 2820 8152
2826 8156 2826 8166 2828 8166
TIME...MOT...LOC 0604Z 245DEG 30KT 2804 8168
$$
WeitlichThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 7:05 PM EST | Special Weather Statement | MLB | Volusia | 40 min |
| Feb 15, 7:10 PM EST | Special Marine Warning | MLB | 50 min | |
| Feb 15, 7:49 PM EST | Special Marine Warning | MLB | 86 min | |
| Feb 15, 8:08 PM EST | Special Weather Statement | MLB | Indian River | 52 min |
| Feb 15, 10:04 PM EST | Special Weather Statement | MLB | Volusia | 56 min |
| Feb 15, 11:13 PM EST | Special Weather Statement | MLB | Volusia | 62 min |
| Feb 16, 12:02 AM EST | Special Marine Warning | MLB | 118 min | |
| Feb 16, 12:05 AM EST | Special Weather Statement | MLB | Volusia | 40 min |
| Feb 16, 2:06 AM EST | Special Marine Warning | MLB | 84 min | |
| Feb 16, 2:12 AM EST | Special Weather Statement | MLB | Brevard, Osceola | 63 min |
| Feb 16, 6:56 AM EST | Areal Flood Advisory | MLB | Indian River | 2 hr |
| Feb 16, 7:38 AM EST | Special Marine Warning | MLB | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.