Alert archive / Florida / Special Weather Statements in 2017
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Jul 20, 2017, 3:22 PM EDT for Palm Beach County, Florida. It was in force for 53 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
- Jul 20, 2017, 3:22 PM EDT (19:22 UTC)
- Expired
- Jul 20, 2017, 4:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Miami, FL
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 113 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 89 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
- 886 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 2 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 Jul 20, 1:29 PM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jul 20, 1:29 PM EDT, 1 hour 53 minutes before
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<meta charset="utf-8">
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<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>
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jul 20, 10:04 AM EDT, 5 hours 18 minutes before
Hazardous Weather Outlook for South Florida...UPDATED National Weather Service Miami FL 1004 AM EDT Thu Jul 20 2017 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 210015- 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- 1004 AM EDT Thu Jul 20 2017 ...SCATTERED TO NUMEROUS THUNDERSTORMS THROUGH EARLY EVENING... ...LOCALIZED FLOODING POSSIBLE... ...WATERSPOUTS POSSIBLE OVER LOCAL WATERS... This hazardous weather outlook is for South Florida. .DAY ONE...TODAY AND TONIGHT Thunderstorms: Scattered to numerous thunderstorms will affect most of South Florida and the adjacent waters through early evening. While most of the storms will be concentrated over the Everglades this afternoon, showers and thunderstorms will also affect the metro areas of the Atlantic and Gulf coasts through at least mid-afternoon. The primary threats will be lightning, heavy rainfall, and gusty wind. Waterspouts: Waterspouts are possible over all the local waters today, primarily through the early afternoon hours. Flooding: Locally heavy rainfall may lead to localized flooding in areas of slow moving thunderstorms. The primary impact will be significant ponding of water on roadways. Wind: Gusts of 40 mph or greater are possible with the stronger storms today. Temperatures: Heat index values of 100 to 105 degrees are forecast across South Florida with areas along the west coast reaching heat index values between 105 to 107 this afternoon. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Scattered to numerous thunderstorms are possible each day, with the greatest coverage shifting this weekend to interior and Gulf Coast in the afternoons and evenings. Frequent lightning, gusty winds, and torrential rainfall will be the primary hazards. .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. Molleda
In the hours before
Local storm report, Jul 20, 11:48 AM EDT, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
1148 AM EDT THU JUL 20 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1037 AM WATER SPOUT 1 NE BAL HARBOUR 25.95N 80.11W
07/20/2017 AMZ651 FL SOCIAL MEDIA
A PHOTO OF A WATER SPOUT LOCATED OFFSHORE SUNNY ISLES
BEACH WAS REPORTED BY A MEMBER OF THE PUBLIC VIA
TWITTER.
&&
EVENT NUMBER MFL1700278
KELLYSpecial weather statement, Jul 20, 12:05 PM EDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Miami FL 1205 PM EDT THU JUL 20 2017 FLZ072-074-172-173-201645- Coastal Broward County FL-Metro Broward County FL- Metropolitan Miami Dade FL-Coastal Miami Dade County FL- 1205 PM EDT THU JUL 20 2017 ...Significant Weather Advisory for frequent to excessive lightning and 45 to 55 mph winds for northeastern Miami-Dade and southeastern Broward Counties Until 1245 PM EDT... * At 1205 PM EDT...The public reported a strong thunderstorm over Pinewood, or near Miami Gardens, moving northeast at 10 mph. * The primary impacts will be frequent to excessive lightning and gusty winds of 45 TO 55 mph. Lightning is the number one weather related killer in Florida. Trees and open shelters offer no protection. 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. * LOCATIONS IMPACTED INCLUDE... Miami, Hialeah, Pembroke Pines, Hollywood, Miramar, Davie, Plantation, Miami Gardens, Hallandale, North Miami, North Miami Beach, Aventura, Miami Lakes, Cooper City, Hialeah Gardens, Opa-Locka, West Park, Miami Shores, El Portal and Medley. PRECAUTIONARY/PREPAREDNESS ACTIONS... For additional information visit the Miami National Weather Service website at www.weather.gov/miami. For information in Spanish, visit our website at www.weather.gov/miami/espanol. && LAT...LON 2582 8018 2587 8035 2611 8023 2596 8014 TIME...MOT...LOC 1605Z 214DEG 11KT 2589 8022 MOLLEDA
Special weather statement, Jul 20, 3:22 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Miami FL 322 PM EDT THU JUL 20 2017 FLZ067-068-202015- Inland Palm Beach County FL-Metro Palm Beach County FL- 322 PM EDT THU JUL 20 2017 ...Significant Weather Advisory for frequent to excessive lightning and 45 to 55 mph winds for northeastern Palm Beach County Until 415 PM EDT... * At 322 PM EDT...Doppler radar was tracking a strong thunderstorm near Lion Country Safari Park, or 7 miles southwest of Wellington, moving northeast at 10 mph. * The primary impacts will be frequent to excessive lightning and gusty winds of 45 TO 55 mph. Lightning is the number one weather related killer in Florida. Trees and open shelters offer no protection. 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. * LOCATIONS IMPACTED INCLUDE... West Palm Beach, Wellington, Greenacres, Royal Palm Beach, Palm Springs, Royal Palm Estates, Lake Belvedere Estates, Golden Lakes, Loxahatchee Groves, Lion Country Safari Park, The Acreage, Loxahatchee Nwr and Florida Gardens. LAT...LON 2650 8033 2662 8048 2684 8031 2665 8009 TIME...MOT...LOC 1922Z 224DEG 7KT 2662 8035 JT
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 8:06 AM EDT | Special Marine Warning | MFL | 39 min | |
| Jul 20, 12:05 PM EDT | Special Weather Statement | MFL | Broward | 40 min |
| Jul 20, 3:43 PM EDT | Special Weather Statement | MFL | Martin | 47 min |
| Jul 20, 4:26 PM EDT | Special Weather Statement | MFL | Broward | 49 min |
| Jul 20, 4:33 PM EDT | Special Weather Statement | MFL | Palm Beach | 42 min |
Nearby
Special Weather Statements in Florida, 2017Every special weather statement in 2017
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.