Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Tampa Bay, FL

May 28, 2018Pinellas County, Florida

NWS Tampa Bay, FL issued this special weather statement at May 28, 2018, 6:21 PM EDT for Pinellas County, Florida. It was in force for 54 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: May 28, 2018, 6:21 PM EDT (22:21 UTC)
Expired: May 28, 2018, 7:15 PM EDT
In force: 54 min
Issued by: NWS Tampa Bay, FL

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 34 km from the middle of the area, began a volume at 22:23 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

Jacksonville, FL (KJAX), launched 12:00Z, 10.4 hours before the alert went out and 312 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: 1018 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.8

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 Tampa Bay, FL wrote its last area forecast discussion before this special weather statement went out at May 28, 3:01 PM EDT, 3 hours 20 minutes earlier.

Area forecast discussion, May 28, 3:01 PM EDT, 3 hours 20 minutes before

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Hazardous weather outlook, May 28, 3:45 AM EDT, 14 hours 36 minutes before

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In the hours before

Local storm report, May 28, 5:49 PM EDT, 32 minutes before

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Special weather statement, May 28, 6:21 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
May 28, 3:39 AM EDT	Coastal Flood Statement	TBW	Citrus, Levy	24 hr
May 28, 3:29 PM EDT	Special Marine Warning	TBW		61 min
May 28, 4:30 PM EDT	Special Marine Warning	TBW		90 min
May 28, 5:55 PM EDT	Special Marine Warning	TBW		65 min
May 28, 6:27 PM EDT	Special Marine Warning	TBW		63 min

Nearby

Special Weather Statements in Florida, 2018 Every special weather statement in 2018

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.