Alert archive / Florida / Special Weather Statements in 2020
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Apr 30, 2020, 3:50 PM EDT for Miami-Dade 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
- Apr 30, 2020, 3:50 PM EDT (19:50 UTC)
- Expired
- Apr 30, 2020, 4:30 PM EDT
- In force
- 40 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 40 km from the middle of the area, began a volume at 19:52 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, 7.8 hours before the alert went out and 66 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
- 957 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1010 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.5
The text
As transmitted.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</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 30, 3:00 PM EDT, 50 minutes earlier.
Area forecast discussion, Apr 30, 3:00 PM EDT, 50 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Apr 30, 11:07 AM EDT, 4 hours 43 minutes before
Hazardous Weather Outlook for South Florida National Weather Service Miami FL 1107 AM EDT Thu Apr 30 2020 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 010315- 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- 1107 AM EDT Thu Apr 30 2020 ...STRONG OR SEVERE THUNDERSTORMS POSSIBLE TODAY... ...HIGH RISK OF RIP CURRENTS ALONG THE PALM BEACHES... This hazardous weather outlook is for South Florida. .DAY ONE...THIS AFTERNOON AND TONIGHT Rip currents: There is a high risk of rip current across the Palm Beach beaches today and a moderate risk across the Broward, Miami Dade, and Collier county beaches. Thunderstorms: Showers are likely across South Florida today along with a chance of thunderstorm. Some of the thunderstorms could be strong or even severe with frequent lightning, gusty winds, hail, and locally heavy rainfall possible. Waterspouts: There is a low risk of waterspouts with the storms today across the coastal waters. Wind: The strongest storms will be capable of producing wind gusts in excess of 40 to 60 mph. Hail: Hail is possible with the strongest storms today. The strongest storms will be capable of producing at least small hail. Flooding: Locally heavy rainfall with some ponding of water on roadways possible, particularly along the east coast. Tornado: There is a chance of funnel clouds or an isolated tornado over the east coast metro today, if a sea breeze boundary can develop. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY The risk of rip currents will decrease by Friday with an elevated risk returning for northern portions of palm beach county by the weekend. Otherwise, no hazardous weather is anticipated at this time through the period. .SPOTTER INFORMATION STATEMENT... Widespread spotter activation is not anticipated, however individual spotters are encouraged to 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
Local storm report, Apr 30, 3:17 PM EDT, 33 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Apr 30, 3:24 PM EDT, 26 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Apr 30, 3:25 PM EDT, 25 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Apr 30, 3:35 PM EDT, 15 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Apr 30, 3:47 PM EDT, 3 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Apr 30, 3:50 PM EDT, 0 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:25 AM EDT | Special Marine Warning | MFL | 65 min | |
| Apr 30, 7:48 AM EDT | Special Weather Statement | MFL | Collier | 57 min |
| Apr 30, 8:22 AM EDT | Special Marine Warning | MFL | 68 min | |
| Apr 30, 8:34 AM EDT | Special Weather Statement | MFL | Collier, Glades, Hendry | 56 min |
| Apr 30, 8:59 AM EDT | Special Marine Warning | MFL | 61 min | |
| Apr 30, 9:17 AM EDT | Special Weather Statement | MFL | Hendry, Palm Beach | 88 min |
| Apr 30, 9:40 AM EDT | Special Marine Warning | MFL | 95 min | |
| Apr 30, 9:57 AM EDT | Special Marine Warning | MFL | 33 min | |
| Apr 30, 10:03 AM EDT | Special Weather Statement | MFL | Palm Beach | 72 min |
| Apr 30, 10:26 AM EDT | Special Marine Warning | MFL | 94 min | |
| Apr 30, 10:39 AM EDT | Special Marine Warning | MFL | 96 min | |
| Apr 30, 11:14 AM EDT | Special Weather Statement | MFL | Collier | 46 min |
| Apr 30, 11:50 AM EDT | Special Weather Statement | MFL | Collier | 40 min |
| Apr 30, 12:01 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Collier, Hendry | 17 min |
| Apr 30, 12:05 PM EDT | Special Marine Warning | MFL | 55 min | |
| Apr 30, 12:09 PM EDT | Special Weather Statement | MFL | Collier | 51 min |
| Apr 30, 12:13 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 32 min |
| Apr 30, 12:38 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 67 min |
| Apr 30, 12:43 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| Apr 30, 12:45 PM EDT | Special Marine Warning | MFL | 60 min | |
| Apr 30, 1:01 PM EDT | Special Weather Statement | MFL | Miami-Dade, Monroe | 44 min |
| Apr 30, 1:20 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 55 min |
| Apr 30, 1:22 PM EDT | Special Marine Warning | MFL | 83 min | |
| Apr 30, 1:37 PM EDT | Special Weather Statement | MFL | Broward | 53 min |
| Apr 30, 1:42 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 48 min |
| Apr 30, 1:43 PM EDT | Special Marine Warning | MFL | 62 min | |
| Apr 30, 1:48 PM EDT | Special Marine Warning | MFL | 87 min | |
| Apr 30, 2:00 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 29 min |
| Apr 30, 2:28 PM EDT | Special Marine Warning | MFL | 92 min | |
| Apr 30, 3:08 PM EDT | Special Weather Statement | MFL | Monroe | 52 min |
| Apr 30, 3:18 PM EDT | Special Marine Warning | MFL | 42 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.