Alert archive / Florida / Special Weather Statements in 2020
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Apr 18, 2020, 1:53 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 67 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
- Apr 18, 2020, 1:53 PM EDT (17:53 UTC)
- Expired
- Apr 18, 2020, 3:00 PM EDT
- In force
- 67 min
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 129 km from the middle of the area, began a volume at 17:57 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, 5.9 hours before the alert went out and 108 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
- 758 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.7
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 Apr 18, 1:44 PM EDT, 9 minutes earlier.
Area forecast discussion, Apr 18, 1:44 PM EDT, 9 minutes before
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</html>Hazardous weather outlook, Apr 18, 7:57 AM EDT, 5 hours 56 minutes before
Hazardous Weather Outlook for South Florida National Weather Service Miami FL 757 AM EDT Sat Apr 18 2020 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 190000- 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- 757 AM EDT Sat Apr 18 2020 ...Flooding Possible East Coast Metro Areas... ..A Few Severe Thunderstorms Possible... This hazardous weather outlook is for South Florida. .DAY ONE...TODAY AND TONIGHT Flooding: flooding of urban and poorly drained areas is possible this afternoon and evening for the east coast metro areas. The greatest risk is across Palm Beach County where heavy rain fell recently. Although uncertain, flash flooding is also possible, with the greatest risk for this being across Palm Beach County. Wind: strong to locally damaging wind gusts up to 60 mph are possible this afternoon. The greatest risk for this is across Palm Beach, Broward, and northern Miami-Dade Counties. Tornadoes: a tornado is possible this afternoon, with the greatest risk across Palm Beach, Broward, and northern Miami-Dade Counties. Rip Currents: There is a moderate risk of rip currents along the beaches of Palm Beach County this morning. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY Patchy fog will be possible early Sunday across the interior portions of south Florida. There is a low chance of thunderstorms over South Florida Sunday along the Sea or Gulf Breezes and again early next week with another cold frontal passage. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. For more information...visit the National Weather Service in Miami website at www.weather.gov/miami.
In the hours before
Special weather statement, Apr 18, 1:53 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 |
|---|---|---|---|---|
| Apr 17, 8:03 PM EDT | Special Weather Statement | MFL | Palm Beach | 57 min |
| Apr 17, 8:08 PM EDT | Special Weather Statement | MFL | Glades | 52 min |
| Apr 17, 8:22 PM EDT | Special Weather Statement | MFL | Glades | 53 min |
| Apr 17, 8:47 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 3 hr |
| Apr 17, 10:10 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 2 hr |
| Apr 17, 10:26 PM EDT | Special Marine Warning | MFL | 64 min | |
| Apr 17, 10:56 PM EDT | Special Weather Statement | MFL | Palm Beach | 64 min |
| Apr 17, 11:12 PM EDT | Special Marine Warning | MFL | 63 min | |
| Apr 18, 12:03 AM EDT | Special Weather Statement | MFL | Palm Beach | 57 min |
| Apr 18, 12:12 AM EDT | Special Marine Warning | MFL | 63 min | |
| Apr 18, 1:13 AM EDT | Special Marine Warning | MFL | 62 min | |
| Apr 18, 2:12 AM EDT | Special Marine Warning | MFL | 63 min | |
| Apr 18, 2:29 PM EDT | Special Marine Warning | MFL | 83 min | |
| Apr 18, 2:34 PM EDT | Special Marine Warning | MFL | 116 min | |
| Apr 18, 2:35 PM EDT | Special Weather Statement | MFL | Miami-Dade | 25 min |
| Apr 18, 2:42 PM EDT | Special Weather Statement | MFL | Broward | 63 min |
| Apr 18, 2:53 PM EDT | Special Marine Warning | MFL | 97 min | |
| Apr 18, 2:58 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 47 min |
| Apr 18, 3:05 PM EDT | Special Weather Statement | MFL | Broward | 25 min |
| Apr 18, 3:08 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 66 min |
| Apr 18, 4:15 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Apr 18, 6:14 PM EDT | Special Marine Warning | MFL | 61 min |
Nearby
Special Weather Statements in Florida, 2020Every special weather statement in 2020
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.