Alert archive / Florida / Special Weather Statements in 2019

Special Weather Statement, NWS Miami, FL

August 5, 2019Monroe County, Florida

NWS Miami, FL issued this special weather statement at Aug 5, 2019, 5:33 PM EDT for Monroe County, Florida. It was in force for 42 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
Aug 5, 2019, 5:33 PM EDT (21:33 UTC)
Expired
Aug 5, 2019, 6:15 PM EDT
In force
42 min
Issued by
NWS Miami, FL

County Monroe County, FL

The radar

The Miami radar (KAMX), 79 km from the middle of the area, began a volume at 21:32 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, 9.6 hours before the alert went out and 83 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2019-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1432 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2019-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1432 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
919 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 5, 4:00 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, Aug 5, 4:00 PM EDT, 1 hour 33 minutes before
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Hazardous weather outlook, Aug 5, 11:31 AM EDT, 6 hours 2 minutes before
Hazardous Weather Outlook for South Florida...UPDATED
National Weather Service Miami FL
1131 AM EDT Mon Aug 5 2019

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
060000-
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-
1131 AM EDT Mon Aug 5 2019

...FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This hazardous weather outlook is for South Florida.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Thunderstorms: Scattered to numerous thunderstorms are expected
today, with best coverage over the western areas shifting to the
eastern areas this afternoon and evening. Gusty winds, heavy rains,
and frequent lightning are expected with this activity.

Flooding: Storms will be capable of producing torrential rainfall
across South Florida. Localized flooding may occur, especially in
areas that experience multiple rounds of heavy rain. There is the
potential for flooded roadways and even water entering a few
structures exists. Therefore, a Flood Watch is in effect for all of
South Florida through 8 PM EDT this evening.

Wind: The strongest storms could produce wind gusts of 45 to 55 mph.
Isolated damaging wind gusts cannot be ruled out, especially over
the east coast metro areas.

Waterspouts: There is a potential for isolated waterspouts across
all South Florida waters today and tonight.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Thunderstorm potential will continue each day through the period,
especially during the afternoon and evening hours. Flooding,
lightning, and gusty wind could accompany this activity.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation maybe needed today for all of South
Florida. Spotters are encouraged to report high winds 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.

Baxter

In the hours before

Local storm report, Aug 5, 3:26 PM EDT, 2 hours 7 minutes before
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Special weather statement, Aug 5, 3:41 PM EDT, 1 hour 52 minutes before
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Local storm report, Aug 5, 4:42 PM EDT, 51 minutes before
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Local storm report, Aug 5, 4:44 PM EDT, 49 minutes before
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Local storm report, Aug 5, 4:46 PM EDT, 47 minutes before
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Special weather statement, Aug 5, 5:33 PM EDT, 0 minutes before
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The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 8:54 AM EDTAreal Flood AdvisoryMFLCollier3 hr
Aug 5, 10:43 AM EDTFlood WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more9 hr
Aug 5, 11:55 AM EDTSpecial Weather StatementMFLMiami-Dade50 min
Aug 5, 12:24 PM EDTSpecial Weather StatementMFLMiami-Dade51 min
Aug 5, 12:34 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade3 hr
Aug 5, 12:55 PM EDTSpecial Weather StatementMFLBroward50 min
Aug 5, 12:57 PM EDTSpecial Marine WarningMFL63 min
Aug 5, 1:00 PM EDTSpecial Weather StatementMFLBroward30 min
Aug 5, 1:15 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach5 hr
Aug 5, 1:27 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach63 min
Aug 5, 1:41 PM EDTSpecial Weather StatementMFLPalm Beach49 min
Aug 5, 1:43 PM EDTSpecial Marine WarningMFL62 min
Aug 5, 1:47 PM EDTSpecial Marine WarningMFL58 min
Aug 5, 1:53 PM EDTAreal Flood AdvisoryMFLPalm Beach5 hr
Aug 5, 1:56 PM EDTSpecial Weather StatementMFLPalm Beach49 min
Aug 5, 2:21 PM EDTSpecial Weather StatementMFLPalm Beach39 min
Aug 5, 2:28 PM EDTSpecial Weather StatementMFLPalm Beach47 min
Aug 5, 2:34 PM EDTSpecial Marine WarningMFL78 min
Aug 5, 2:45 PM EDTFlash Flood WarningMFLPalm Beach3 hr
Aug 5, 2:52 PM EDTAreal Flood AdvisoryMFLPalm Beach3 hr
Aug 5, 3:41 PM EDTSpecial Weather StatementMFLCollier, Hendry64 min

Nearby

Special Weather Statements in Florida, 2019Every special weather statement in 2019

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.