Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Mar 30, 2021, 12:56 PM EDT for Miami-Dade County, Florida. It was in force for 34 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
- Mar 30, 2021, 12:56 PM EDT (16:56 UTC)
- Expired
- Mar 30, 2021, 1:30 PM EDT
- In force
- 34 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 32 km from the middle of the area, began a volume at 16:56 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
Miami, FL (KMFL), launched 12:00Z, 4.9 hours before the alert went out and 13 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
- 444 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
780 WWUS82 KMFL 301656 SPSMFL Special Weather Statement National Weather Service Miami FL 1256 PM EDT Tue Mar 30 2021 FLZ074-173-301730- Metropolitan Miami Dade FL-Coastal Miami Dade County FL- 1256 PM EDT Tue Mar 30 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MIAMI-DADE COUNTY UNTIL 130 PM EDT... * At 1256 PM EDT, trained weather spotters reported a gusty shower over Fisher Island, or over Virginia Key, moving west at 10 mph. * Funnel clouds possible with this shower. * Locations impacted include... Miami, Hialeah, Miami Beach, Coral Gables, Virginia Key, Miami Springs, Miami Shores, West Miami, El Portal, West Little River, Gladeview, Liberty City, Port Of Miami, Marlins Park, Pinewood, Fisher Island, Little Haiti, Downtown Miami, Coral Terrace and Westview. PRECAUTIONARY/PREPAREDNESS ACTIONS... Although typically weak and short lived, a landfalling waterspout can cause property damage and serious injury. To report severe weather, contact your nearest law enforcement agency. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2580 8009 2572 8012 2575 8030 2588 8023 TIME...MOT...LOC 1656Z 106DEG 8KT 2576 8014 $$ 13
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 12:55 PM EDT | Special Marine Warning | MFL | 20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.