Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tampa Bay, FL

July 15, 2012Hillsborough County, Florida

NWS Tampa Bay, FL issued this special weather statement at Jul 15, 2012, 6:49 PM EDT for Hillsborough County, Florida. It was in force for 41 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 15, 2012, 6:49 PM EDT (22:49 UTC)
Expired: Jul 15, 2012, 7:30 PM EDT
In force: 41 min
Issued by: NWS Tampa Bay, FL

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 12 km from the middle of the area, began a volume at 22:50 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

Miami, FL (KMIA), launched 12:00Z, 10.8 hours before the alert went out and 295 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: 2066 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 649 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 27 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 Tampa Bay, FL wrote its last area forecast discussion before this special weather statement went out at Jul 15, 1:53 PM EDT, 4 hours 56 minutes earlier.

Area forecast discussion, Jul 15, 1:53 PM EDT, 4 hours 56 minutes before

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Hazardous weather outlook, Jul 15, 5:16 AM EDT, 13 hours 33 minutes before

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In the hours before

Special weather statement, Jul 15, 3:36 PM EDT, 3 hours 13 minutes before

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Special weather statement, Jul 15, 4:07 PM EDT, 2 hours 42 minutes before

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Special weather statement, Jul 15, 4:09 PM EDT, 2 hours 40 minutes before

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Special weather statement, Jul 15, 4:45 PM EDT, 2 hours 4 minutes before

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Special weather statement, Jul 15, 5:38 PM EDT, 1 hour 11 minutes before

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Special weather statement, Jul 15, 6:49 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 3:36 PM EDT	Special Weather Statement	TBW	Polk	39 min
Jul 15, 3:44 PM EDT	Areal Flood Advisory	TBW	Pasco	61 min
Jul 15, 4:07 PM EDT	Special Weather Statement	TBW	Citrus, Hernando, Hillsborough, Pasco	38 min
Jul 15, 4:09 PM EDT	Special Weather Statement	TBW	Manatee	36 min
Jul 15, 4:45 PM EDT	Special Weather Statement	TBW	Citrus, Hernando, Hillsborough, Manatee, Pasco	45 min
Jul 15, 5:12 PM EDT	Areal Flood Advisory	TBW	Manatee	63 min
Jul 15, 5:13 PM EDT	Areal Flood Advisory	TBW	Citrus, Hernando	62 min
Jul 15, 5:38 PM EDT	Special Weather Statement	TBW	Hillsborough	37 min
Jul 15, 6:04 PM EDT	Areal Flood Advisory	TBW	Hillsborough	56 min

Nearby

Special Weather Statements in Florida, 2012 Every special weather statement 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.