Alert archive / Florida / Special Weather Statements in 2018
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Aug 9, 2018, 9:24 PM EDT for Palm Beach 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
- Aug 9, 2018, 9:24 PM EDT (01:24 UTC)
- Expired
- Aug 9, 2018, 10:15 PM EDT
- In force
- 51 min
- Issued by
- NWS Miami, FL
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 138 km from the middle of the area, began a volume at 01:24 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 00:00Z, 1.4 hours before the alert went out and 117 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
- 974 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Aug 9, 7:52 PM EDT, 1 hour 32 minutes earlier.
Area forecast discussion, Aug 9, 7:52 PM EDT, 1 hour 32 minutes before
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</html>Hazardous weather outlook, Aug 9, 5:25 PM EDT, 3 hours 59 minutes before
Hazardous Weather Outlook for South Florida...UPDATED National Weather Service Miami FL 525 PM EDT Thu Aug 9 2018 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 100930- Lake Okeechobee-Biscayne Bay- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas-Glades-Hendry- Inland Palm Beach-Metro Palm Beach-Coastal Collier-Inland Collier- Inland Broward-Metro Broward-Inland Miami-Dade-Metro Miami-Dade- Mainland Monroe-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade-Far South Miami-Dade- Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM- 525 PM EDT Thu Aug 9 2018 ...STRONG THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING... This hazardous weather outlook is for South Florida. .DAY ONE...TONIGHT Thunderstorms: There is a chance of thunderstorms this afternoon and evening. Cloud-to-ground lightning and gusty winds are the primary threats. Waterspouts: Thunderstorms could produce waterspouts this afternoon and evening. Wind: Wind gusts in the strongest storms this afternoon in the interior and portions of the east coast metro could exceed 40 mph. Hail: Strong thunderstorms could produce hail up to the size of nickels this afternoon and evening. Flooding: Heavy rainfall from slow-moving thunderstorms could produce the ponding of water over urbanized portions of the east coast metro area this afternoon and evening. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY There is a chance of mainly afternoon thunderstorms through the period, especially over interior South Florida. The best chances for thunderstorms will be Saturday through Monday. Lightning is the primary threat. .SPOTTER INFORMATION STATEMENT... Widespread spotter activation is not anticipated, however individual spotters are encouraged to report high wind, hail and flooding to the National Weather Service forecast office in Miami. For more information...visit the National Weather Service in Miami website at www.weather.gov/miami. RAG
In the hours before
Special weather statement, Aug 9, 6:12 PM EDT, 3 hours 12 minutes before
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</html>Local storm report, Aug 9, 6:22 PM EDT, 3 hours 2 minutes before
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</html>Special weather statement, Aug 9, 7:29 PM EDT, 1 hour 55 minutes before
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</html>Special weather statement, Aug 9, 8:48 PM EDT, 36 minutes before
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</html>Local storm report, Aug 9, 9:19 PM EDT, 5 minutes before
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</html>Special weather statement, Aug 9, 9:24 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:12 PM EDT | Special Marine Warning | MFL | 33 min | |
| Aug 9, 8:44 PM EDT | Special Marine Warning | MFL | 31 min | |
| Aug 9, 8:48 PM EDT | Special Weather Statement | MFL | Palm Beach | 42 min |
| Aug 9, 8:54 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 36 min |
| Aug 9, 9:11 PM EDT | Special Marine Warning | MFL | 34 min | |
| Aug 9, 9:54 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| Aug 10, 3:28 PM EDT | Special Weather Statement | MFL | Collier | 47 min |
| Aug 10, 3:39 PM EDT | Special Weather Statement | MFL | Miami-Dade | 51 min |
| Aug 10, 3:46 PM EDT | Special Weather Statement | MFL | Palm Beach | 44 min |
| Aug 10, 3:56 PM EDT | Special Marine Warning | MFL | 34 min | |
| Aug 10, 4:05 PM EDT | Special Weather Statement | MFL | Martin | 40 min |
| Aug 10, 4:26 PM EDT | Special Weather Statement | MFL | Collier | 49 min |
| Aug 10, 4:33 PM EDT | Special Marine Warning | MFL | 27 min | |
| Aug 10, 4:41 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 79 min |
| Aug 10, 4:55 PM EDT | Special Marine Warning | MFL | 95 min | |
| Aug 10, 5:35 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 25 min |
| Aug 10, 5:38 PM EDT | Special Marine Warning | MFL | 37 min | |
| Aug 10, 5:57 PM EDT | Special Weather Statement | MFL | Miami-Dade | 48 min |
| Aug 10, 6:15 PM EDT | Special Marine Warning | MFL | 90 min | |
| Aug 10, 7:55 PM EDT | Special Marine Warning | MFL | 35 min |
Nearby
Special Weather Statements in Florida, 2018Every special weather statement in 2018
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.