Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Sep 9, 2021, 3:20 PM EDT for Broward County, Florida. It was in force for 40 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
- Sep 9, 2021, 3:20 PM EDT (19:20 UTC)
- Expired
- Sep 9, 2021, 4:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Broward County, FL
The radar
The Miami radar (KAMX), 50 km from the middle of the area, began a volume at 19:24 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, 7.3 hours before the alert went out and 23 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
- 2014 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
519
WWUS82 KMFL 091920
SPSMFL
Special Weather Statement
National Weather Service Miami FL
320 PM EDT Thu Sep 9 2021
FLZ072-074-172-173-092000-
Coastal Broward County FL-Metro Broward County FL-
Metropolitan Miami Dade FL-Coastal Miami Dade County FL-
320 PM EDT Thu Sep 9 2021
...A strong thunderstorm will impact portions of northern Miami-Dade
and southern Broward Counties through 400 PM EDT...
At 320 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm over Ravenswood Estates, or over Hollywood,
moving east at 10 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Hialeah, Fort Lauderdale, Pembroke Pines, Hollywood, Miramar, Davie,
Miami Beach, Plantation, Sunrise, Tamarac, Lauderdale-By-The-Sea,
Surfside, Hallandale, Miami Gardens, Lauderhill, North Miami, North
Miami Beach, Oakland Park, Aventura and Lauderdale Lakes.
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.
&&
LAT...LON 2587 8012 2586 8027 2620 8026 2620 8009
TIME...MOT...LOC 1920Z 257DEG 10KT 2606 8017
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
RFThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 3:31 PM EDT | Special Weather Statement | MFL | Palm Beach | 44 min |
| Sep 9, 3:35 PM EDT | Special Marine Warning | MFL | 25 min | |
| Sep 9, 4:09 PM EDT | Special Weather Statement | MFL | Broward | 36 min |
| Sep 9, 4:13 PM EDT | Special Marine Warning | MFL | 47 min | |
| Sep 9, 4:34 PM EDT | Special Marine Warning | MFL | 41 min | |
| Sep 9, 4:58 PM EDT | Special Marine Warning | MFL | 47 min | |
| Sep 9, 5:12 PM EDT | Special Weather Statement | MFL | Broward | 63 min |
| Sep 9, 5:40 PM EDT | Special Marine Warning | MFL | 43 min | |
| Sep 9, 5:54 PM EDT | Special Marine Warning | MFL | 34 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.