Alert archive / Florida / Special Weather Statements in 2020
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Oct 21, 2020, 1:39 AM 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
- Oct 21, 2020, 1:39 AM EDT (05:39 UTC)
- Expired
- Oct 21, 2020, 2:30 AM EDT
- In force
- 51 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 6 km from the middle of the area, began a volume at 05:39 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, 5.7 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
- 692 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 796 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 34 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 Oct 21, 1:33 AM EDT, 6 minutes earlier.
Area forecast discussion, Oct 21, 1:33 AM EDT, 6 minutes before
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</html>Hazardous weather outlook, Oct 21, 1:30 AM EDT, 9 minutes before
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</html>In the hours before
Local storm report, Oct 21, 12:23 AM EDT, 1 hour 16 minutes before
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</html>Local storm report, Oct 21, 1:01 AM EDT, 38 minutes before
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</html>Local storm report, Oct 21, 1:02 AM EDT, 37 minutes before
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</html>Local storm report, Oct 21, 1:11 AM EDT, 28 minutes before
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</html>Local storm report, Oct 21, 1:24 AM EDT, 15 minutes before
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</html>Special weather statement, Oct 21, 1:39 AM 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 |
|---|---|---|---|---|
| Oct 20, 8:14 PM EDT | Special Marine Warning | MFL | 31 min | |
| Oct 20, 8:17 PM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade | 12 hr |
| Oct 20, 8:33 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| Oct 20, 8:38 PM EDT | Special Marine Warning | MFL | 67 min | |
| Oct 20, 8:43 PM EDT | Special Weather Statement | MFL | Monroe | 47 min |
| Oct 20, 9:01 PM EDT | Flood Watch | MFL | Broward, Miami-Dade, Palm Beach | 6 days |
| Oct 20, 9:49 PM EDT | Special Marine Warning | MFL | 56 min | |
| Oct 20, 10:17 PM EDT | Special Marine Warning | MFL | 118 min | |
| Oct 20, 10:38 PM EDT | Special Weather Statement | MFL | Broward | 37 min |
| Oct 20, 11:18 PM EDT | Special Marine Warning | MFL | 57 min | |
| Oct 20, 11:20 PM EDT | Special Marine Warning | MFL | 85 min | |
| Oct 20, 11:49 PM EDT | Special Weather Statement | MFL | Palm Beach | 56 min |
| Oct 20, 11:50 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 8 hr |
| Oct 21, 12:09 AM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 21, 12:21 AM EDT | Special Weather Statement | MFL | Broward | 39 min |
| Oct 21, 12:34 AM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 7 hr |
| Oct 21, 2:09 AM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 21, 2:44 AM EDT | Special Weather Statement | MFL | Broward | 46 min |
| Oct 21, 3:24 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 5 hr |
| Oct 21, 4:08 AM EDT | Special Marine Warning | MFL | 97 min | |
| Oct 21, 5:37 AM EDT | Special Marine Warning | MFL | 83 min | |
| Oct 21, 6:56 AM EDT | Special Marine Warning | MFL | 49 min | |
| Oct 21, 7:06 AM EDT | Special Marine Warning | MFL | 39 min | |
| Oct 21, 7:57 AM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade, Palm Beach | 7 hr |
| Oct 21, 8:24 AM EDT | Special Marine Warning | MFL | 25 min | |
| Oct 21, 8:26 AM EDT | Special Marine Warning | MFL | 49 min | |
| Oct 21, 8:34 AM EDT | Special Marine Warning | MFL | 26 min | |
| Oct 21, 8:54 AM EDT | Special Marine Warning | MFL | 21 min | |
| Oct 21, 9:10 AM EDT | Special Marine Warning | MFL | 28 min | |
| Oct 21, 9:36 AM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 39 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.