Alert archive / Florida / Special Weather Statements in 2017
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Jul 17, 2017, 3:39 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
- Jul 17, 2017, 3:39 PM EDT (19:39 UTC)
- Expired
- Jul 17, 2017, 4:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Miami, FL
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 114 km from the middle of the area, began a volume at 19:39 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 7.7 hours before the alert went out and 207 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
- 1005 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -16 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 17, 2:01 PM EDT, 1 hour 38 minutes earlier.
Area forecast discussion, Jul 17, 2:01 PM EDT, 1 hour 38 minutes before
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</html>Hazardous weather outlook, Jul 17, 4:03 AM EDT, 11 hours 36 minutes before
Hazardous Weather Outlook for South Florida National Weather Service Miami FL 403 AM EDT Mon Jul 17 2017 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 172015- 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- 403 AM EDT Mon Jul 17 2017 ...SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS SOUTH FLORIDA TODAY... ...POOR DRAINAGE FLOODING POSSIBLE WITH HEAVIER RAINFALL... ...WATERSPOUTS POSSIBLE OVER LOCAL WATERS... This hazardous weather outlook is for South Florida. .DAY ONE...TODAY AND TONIGHT Thunderstorms: Isolated thunderstorms will affect portions of South Florida this morning, becoming scattered to numerous during the afternoon hours. South-southwesterly flow will focus storms over the interior and western portions of the Atlantic coast metro this afternoon and evening. The primary threats will be frequent lightning, heavy rainfall, and brief gusty winds. Waterspouts: Isolated waterspouts are possible over all the local waters, primarily this morning. Flooding: Locally heavy rainfall may lead to poor drainage flooding in urbanized and low lying areas. The primary impact will be significant ponding of water on roadways. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Scattered to locally numerous thunderstorms are possible each day, with the greatest coverage over the interior and near the Gulf Coast. Frequent lightning, gusty winds, and torrential rain will be the primary hazards. .SPOTTER INFORMATION STATEMENT... Widespread spotter activation is not anticipated, however individual spotters are encouraged to report 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.
In the hours before
Special weather statement, Jul 17, 1:48 PM EDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Miami FL 148 PM EDT MON JUL 17 2017 FLZ071>074-172-171815- Inland Broward County FL-Coastal Broward County FL- Metro Broward County FL-Metropolitan Miami Dade FL-Inland Miami- Dade County FL- 148 PM EDT MON JUL 17 2017 ...Significant Weather Advisory for frequent to excessive lightning, 45 to 55 mph winds and the development of funnel clouds for north central Miami-Dade and eastern Broward Counties Until 215 PM EDT... * At 147 PM EDT...National Weather Service Meteorologists detected a line of strong thunderstorms with rotation, capable of producing a funnel cloud along a line extending from Lauderhill to near West Park. These storms were nearly stationary. * In addition, frequent to excessive lightning, gusty winds from 45 to 55 mph, torrential downpours, or a combination of these are possible. 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... Hialeah, Fort Lauderdale, Pembroke Pines, Hollywood, Miramar, Coral Springs, Pompano Beach, Davie, Plantation, Sunrise, Tamarac, Margate, Lauderdale-By-The-Sea, Miami Gardens, Lauderhill, Weston, Oakland Park, North Lauderdale, Lauderdale Lakes and Dania Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to street flooding. Do not drive your vehicle through flooded roadways. This activity was also developing in an environment favorable for the formation of funnel clouds. Stay tuned to NOAA weather radio and local media for additional updates and possible warnings. && LAT...LON 2626 8034 2585 8056 2587 8024 2619 8010 TIME...MOT...LOC 1747Z 090DEG 4KT 2613 8022 2599 8030 RAG
Local storm report, Jul 17, 1:55 PM EDT, 1 hour 44 minutes before
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</html>Special weather statement, Jul 17, 2:48 PM EDT, 51 minutes before
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</html>Local storm report, Jul 17, 3:24 PM EDT, 15 minutes before
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</html>Local storm report, Jul 17, 3:26 PM EDT, 13 minutes before
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</html>Special weather statement, Jul 17, 3:39 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 |
|---|---|---|---|---|
| Jul 17, 1:20 PM EDT | Special Weather Statement | MFL | Broward | 25 min |
| Jul 17, 1:44 PM EDT | Special Weather Statement | MFL | Glades | 31 min |
| Jul 17, 1:48 PM EDT | Special Weather Statement | MFL | Broward | 27 min |
| Jul 17, 2:48 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| Jul 17, 4:33 PM EDT | Special Weather Statement | MFL | Miami-Dade | 42 min |
| Jul 17, 4:44 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
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.