Alert archive / Florida / Special Weather Statements in 2009

Special Weather Statement, NWS Miami, FL

July 25, 2009Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Jul 25, 2009, 2:49 PM EDT for Palm Beach County, Florida. It was in force for 26 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 25, 2009, 2:49 PM EDT (18:49 UTC)
Expired: Jul 25, 2009, 3:15 PM EDT
In force: 26 min
Issued by: NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 136 km from the middle of the area, began a volume at 18:50 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, 6.8 hours before the alert went out and 182 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: 574 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 1158 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jul 25, 12:25 PM EDT, 2 hours 24 minutes earlier.

Area forecast discussion, Jul 25, 12:25 PM EDT, 2 hours 24 minutes before

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Hazardous weather outlook, Jul 25, 10:25 AM EDT, 4 hours 24 minutes before

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In the hours before

Local storm report, Jul 25, 1:23 PM EDT, 1 hour 26 minutes before

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Local storm report, Jul 25, 1:38 PM EDT, 1 hour 11 minutes before

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Special weather statement, Jul 25, 1:40 PM EDT, 1 hour 9 minutes before

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Local storm report, Jul 25, 2:02 PM EDT, 47 minutes before

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Local storm report, Jul 25, 2:34 PM EDT, 15 minutes before

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Special weather statement, Jul 25, 2:49 PM EDT, 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
Jul 25, 6:45 AM EDT	Special Marine Warning	MFL		45 min
Jul 25, 11:58 AM EDT	Special Weather Statement	MFL	Monroe	32 min
Jul 25, 12:30 PM EDT	Special Weather Statement	MFL	Broward, Miami-Dade	30 min
Jul 25, 1:40 PM EDT	Special Weather Statement	MFL	Palm Beach	35 min
Jul 25, 2:25 PM EDT	Special Marine Warning	MFL		65 min
Jul 25, 2:30 PM EDT	Special Marine Warning	MFL		60 min
Jul 25, 4:29 PM EDT	Special Weather Statement	MFL	Collier	31 min
Jul 25, 5:05 PM EDT	Severe Thunderstorm Warning	MFL	Collier	44 min
Jul 25, 5:46 PM EDT	Severe Thunderstorm Warning	MFL	Hendry	28 min

Nearby

Special Weather Statements in Florida, 2009 Every special weather statement in 2009

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.