Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at May 7, 2021, 4:39 PM EDT for Miami-Dade County, Florida. It was in force for 51 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
- May 7, 2021, 4:39 PM EDT (20:39 UTC)
- Expired
- May 7, 2021, 5:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 36 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 11 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
- 1218 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted.
519 WWUS82 KMFL 072039 SPSMFL Special Weather Statement National Weather Service Miami FL 439 PM EDT Fri May 7 2021 FLZ074-173-072130- Metropolitan Miami Dade FL-Coastal Miami Dade County FL- 439 PM EDT Fri May 7 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MIAMI-DADE COUNTY UNTIL 530 PM EDT... * At 438 PM EDT, National Weather Service meteorologists were tracking a strong thunderstorm over Miami Shores, or over Surfside, moving southeast at 5 mph. * Small hail, funnel clouds, and winds in excess of 45 mph possible with this storm. * Locations impacted include... Miami, Hialeah, Miami Beach, Surfside, Miami Gardens, North Miami, North Miami Beach, Aventura, Sunny Isles Beach, Opa-Locka, Miami Shores, North Bay Village, El Portal, Gladeview, Westview, West Little River, Liberty City, Hard Rock Stadium, Golden Glades and Pinewood. PRECAUTIONARY/PREPAREDNESS ACTIONS... These winds can down small tree limbs and branches, and blow around unsecured small objects. Seek shelter in a safe building until the storm passes. Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This activity was also developing in an environment favorable for the formation of funnel clouds. Stay tuned to NOAA weather radio and local media for additional updates and possible warnings. 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 8026 2597 8026 2597 8010 2580 8010 TIME...MOT...LOC 2038Z 305DEG 6KT 2588 8016 $$ Weinman
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 8:07 PM EDT | Special Weather Statement | MFL | Miami-Dade | 53 min |
| May 6, 8:27 PM EDT | Special Marine Warning | MFL | 63 min | |
| May 7, 4:10 PM EDT | Special Marine Warning | MFL | 65 min | |
| May 7, 4:12 PM EDT | Special Weather Statement | MFL | Broward | 33 min |
| May 7, 4:30 PM EDT | Special Marine Warning | MFL | 60 min | |
| May 7, 4:55 PM EDT | Special Marine Warning | MFL | 35 min | |
| May 7, 5:13 PM EDT | Special Marine Warning | MFL | 62 min | |
| May 7, 5:31 PM EDT | Special Marine Warning | MFL | 89 min | |
| May 7, 5:40 PM EDT | Areal Flood Advisory | MFL | Broward | 2 hr |
| May 7, 5:47 PM EDT | Special Weather Statement | MFL | Broward | 58 min |
| May 7, 6:06 PM EDT | Special Marine Warning | MFL | 84 min | |
| May 7, 6:09 PM EDT | Special Marine Warning | MFL | 96 min | |
| May 7, 6:10 PM EDT | Special Weather Statement | MFL | Broward | 50 min |
| May 7, 7:50 PM EDT | Special Marine Warning | MFL | 115 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.