Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Aug 7, 2021, 7:32 AM EDT for Palm Beach County, Florida. It was in force for 28 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
- Aug 7, 2021, 7:32 AM EDT (11:32 UTC)
- Expired
- Aug 7, 2021, 8:00 AM EDT
- In force
- 28 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 129 km from the middle of the area, began a volume at 11:36 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 00:00Z, 11.5 hours before the alert went out and 103 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
- 1938 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
318
WWUS82 KMFL 071132
SPSMFL
Special Weather Statement
National Weather Service Miami FL
732 AM EDT Sat Aug 7 2021
FLZ068-168-071200-
Coastal Palm Beach County FL-Metro Palm Beach County FL-
732 AM EDT Sat Aug 7 2021
...Strong thunderstorms will impact portions of eastern Palm Beach
County through 800 AM EDT...
At 732 AM EDT, National Weather Service meteorologists were tracking
strong thunderstorms capable of producing a funnel cloud along a line
extending from Juno Ridge to Downtown West Palm Beach to near
Lantana. Movement was north at 5 mph.
HAZARD...Funnel clouds and winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Funnel clouds occasionally touch down and produce tornadoes
or waterspouts. Gusty winds could knock down tree limbs and
blow around unsecured objects.
Locations impacted include...
West Palm Beach, Boynton Beach, Delray Beach, Wellington, Jupiter,
Palm Beach Gardens, Lake Worth, Riviera Beach, Palm Beach, Tequesta,
Juno Beach, Ocean Ridge, Greenacres, Palm Springs, North Palm Beach,
Lantana, Lake Park, Atlantis, Haverhill and Cloud Lake.
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.
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.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2647 8003 2642 8004 2649 8019 2689 8017
2696 8015 2696 8014 2697 8014 2697 8003
TIME...MOT...LOC 1132Z 159DEG 6KT 2684 8005 2672 8006 2657 8009
FUNNEL CLOUD...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
RAGThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:37 AM EDT | Special Marine Warning | MFL | 23 min | |
| Aug 7, 8:43 AM EDT | Areal Flood Advisory | MFL | Palm Beach | 2 hr |
| Aug 7, 10:03 AM EDT | Special Weather Statement | MFL | Miami-Dade | 27 min |
| Aug 7, 10:29 AM EDT | Special Weather Statement | MFL | Miami-Dade | 31 min |
| Aug 7, 11:04 AM EDT | Special Weather Statement | MFL | Palm Beach | 41 min |
| Aug 7, 1:54 PM EDT | Special Weather Statement | MFL | Hendry | 51 min |
| Aug 7, 2:48 PM EDT | Areal Flood Advisory | MFL | Collier | 117 min |
| Aug 7, 3:18 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 117 min |
| Aug 7, 3:29 PM EDT | Special Weather Statement | MFL | Palm Beach | 46 min |
| Aug 7, 3:39 PM EDT | Special Weather Statement | MFL | Palm Beach | 36 min |
| Aug 7, 3:48 PM EDT | Special Weather Statement | MFL | Miami-Dade | 42 min |
| Aug 7, 4:04 PM EDT | Special Weather Statement | MFL | Palm Beach | 41 min |
| Aug 7, 4:22 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 113 min |
| Aug 7, 4:31 PM EDT | Special Weather Statement | MFL | Miami-Dade | 44 min |
| Aug 7, 4:44 PM EDT | Special Weather Statement | MFL | Miami-Dade | 46 min |
| Aug 7, 4:49 PM EDT | Special Weather Statement | MFL | Palm Beach | 41 min |
| Aug 7, 5:02 PM EDT | Special Weather Statement | MFL | Broward | 43 min |
| Aug 7, 5:41 PM EDT | Areal Flood Advisory | MFL | Broward | 64 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.