Alert archive / Florida / Tropical Storm Warnings in 2012

Tropical Storm Warning 1009, NWS Key West, FL

August 25, 2012Monroe County, Florida

NWS Key West, FL issued this tropical storm warning at Aug 25, 2012, 12:30 AM EDT for Monroe County, Florida. It was in force for 59 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 25, 2012, 12:30 AM EDT (04:30 UTC)
Expired: Aug 27, 2012, 11:25 AM EDT
In force: 59 hr
Issued by: NWS Key West, FL

County Monroe County, FL

The radar

The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 04:33 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 00:00Z, 4.5 hours before the alert went out and 69 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: 14 J/kg
Mixed-layer CIN: -336 J/kg
Mixed-layer LCL: 1966 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tropical storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Key West, FL wrote its last area forecast discussion before this tropical storm warning went out at Aug 24, 6:06 PM EDT, 6 hours 24 minutes earlier.

Area forecast discussion, Aug 24, 6:06 PM EDT, 6 hours 24 minutes before

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Hazardous weather outlook, Aug 24, 8:08 PM EDT, 4 hours 22 minutes before

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In the hours before

Special weather statement, Aug 24, 9:20 PM EDT, 3 hours 10 minutes before

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Local storm report, Aug 24, 9:49 PM EDT, 2 hours 41 minutes before

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Special weather statement, Aug 24, 10:02 PM EDT, 2 hours 28 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 8:01 PM EDT	Special Marine Warning	KEY		89 min
Aug 24, 8:41 PM EDT	Special Marine Warning	KEY		49 min
Aug 24, 8:47 PM EDT	Special Marine Warning	KEY		43 min
Aug 24, 9:01 PM EDT	Special Marine Warning	KEY		59 min
Aug 24, 9:18 PM EDT	Special Marine Warning	KEY		57 min
Aug 24, 9:23 PM EDT	Special Marine Warning	KEY		52 min
Aug 24, 9:27 PM EDT	Special Marine Warning	KEY		48 min
Aug 24, 10:00 PM EDT	Special Marine Warning	KEY		60 min
Aug 24, 11:00 PM EDT	Special Marine Warning	KEY		45 min
Aug 25, 12:30 AM EDT	Hurricane Watch	KEY	Monroe	4 hr
Aug 25, 4:53 AM EDT	Hurricane Warning	KEY	Monroe	38 hr
Aug 25, 7:11 AM EDT	Severe Thunderstorm Warning	KEY	Monroe	34 min
Aug 25, 7:22 AM EDT	Severe Thunderstorm Warning	KEY	Monroe	38 min

Nearby

Tropical Storm Warnings in Florida, 2012 Every tropical storm warning in 2012

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.