Alert archive / Florida / Special Weather Statements in 2017

Special Weather Statement, NWS Miami, FL

January 7, 2017Broward County, Miami-Dade County, Florida

NWS Miami, FL issued this special weather statement at Jan 7, 2017, 1:33 PM EST for Broward County, Miami-Dade County, Florida. It was in force for 57 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: Jan 7, 2017, 1:33 PM EST (18:33 UTC)
Expired: Jan 7, 2017, 2:30 PM EST
In force: 57 min
Issued by: NWS Miami, FL

Counties Broward County, FL, Miami-Dade County, FL

The radar

The Miami radar (KAMX), 22 km from the middle of the area, began a volume at 18:37 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, 6.6 hours before the alert went out and 48 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 997 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 881 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.5

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 Jan 7, 12:36 PM EST, 57 minutes earlier.

Area forecast discussion, Jan 7, 12:36 PM EST, 57 minutes before

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Hazardous weather outlook, Jan 7, 8:41 AM EST, 4 hours 52 minutes before

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In the hours before

Special weather statement, Jan 7, 12:18 PM EST, 1 hour 15 minutes before

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Special weather statement, Jan 7, 12:24 PM EST, 1 hour 9 minutes before

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Local storm report, Jan 7, 12:40 PM EST, 53 minutes before

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Local storm report, Jan 7, 12:41 PM EST, 52 minutes before

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Local storm report, Jan 7, 12:47 PM EST, 46 minutes before

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Special weather statement, Jan 7, 1:33 PM EST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 5:04 AM EST	Special Marine Warning	MFL		26 min
Jan 7, 5:37 AM EST	Special Marine Warning	MFL		23 min
Jan 7, 5:37 AM EST	Rip Current Statement	MFL	Broward, Collier, Miami-Dade, Palm Beach	10 days
Jan 7, 6:02 AM EST	Special Marine Warning	MFL		58 min
Jan 7, 6:45 AM EST	Special Marine Warning	MFL		90 min
Jan 7, 7:09 AM EST	Special Marine Warning	MFL		96 min
Jan 7, 7:10 AM EST	Special Marine Warning	MFL		65 min
Jan 7, 8:15 AM EST	Special Marine Warning	MFL		60 min
Jan 7, 8:33 AM EST	Wind Chill Advisory	MFL	Collier, Glades, Hendry	25 hr
Jan 7, 11:24 AM EST	Special Weather Statement	MFL	Palm Beach	51 min
Jan 7, 11:38 AM EST	Severe Thunderstorm Warning	MFL	Palm Beach	37 min
Jan 7, 11:39 AM EST	Special Marine Warning	MFL		66 min
Jan 7, 11:51 AM EST	Special Weather Statement	MFL	Broward	39 min
Jan 7, 12:04 PM EST	Special Weather Statement	MFL	Collier	41 min
Jan 7, 12:18 PM EST	Special Weather Statement	MFL		42 min
Jan 7, 12:20 PM EST	Special Marine Warning	MFL		55 min
Jan 7, 12:24 PM EST	Special Weather Statement	MFL	Monroe	51 min
Jan 7, 1:01 PM EST	Special Marine Warning	MFL		89 min
Jan 7, 1:37 PM EST	Special Marine Warning	MFL		83 min
Jan 7, 2:29 PM EST	Special Marine Warning	MFL		91 min

Nearby

Special Weather Statements in Florida, 2017 Every 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.