Alert archive / Florida / Special Weather Statements in 2019

Special Weather Statement, NWS Tampa Bay, FL

October 19, 2019Pinellas County, Florida

NWS Tampa Bay, FL issued this special weather statement at Oct 19, 2019, 4:21 PM EDT for Pinellas County, Florida. It was in force for 24 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: Oct 19, 2019, 4:21 PM EDT (20:21 UTC)
Expired: Oct 19, 2019, 4:45 PM EDT
In force: 24 min
Issued by: NWS Tampa Bay, FL

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 28 km from the middle of the area, began a volume at 20:23 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.4 hours before the alert went out and 229 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: 806 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 681 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 11.5

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 Tampa Bay, FL wrote its last area forecast discussion before this special weather statement went out at Oct 19, 3:58 PM EDT, 23 minutes earlier.

Area forecast discussion, Oct 19, 3:58 PM EDT, 23 minutes before

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In the hours before

Local storm report, Oct 19, 10:33 AM EDT, 5 hours 48 minutes before

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Special weather statement, Oct 19, 11:32 AM EDT, 4 hours 49 minutes before

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Special weather statement, Oct 19, 12:15 PM EDT, 4 hours 6 minutes before

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Special weather statement, Oct 19, 2:04 PM EDT, 2 hours 17 minutes before

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Special weather statement, Oct 19, 2:18 PM EDT, 2 hours 3 minutes before

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Special weather statement, Oct 19, 4:21 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
Oct 18, 8:55 PM EDT	Special Marine Warning	TBW		65 min
Oct 18, 9:03 PM EDT	Tornado Warning	TBW	Pinellas	42 min
Oct 18, 9:48 PM EDT	Areal Flood Advisory	TBW	Pinellas	87 min
Oct 18, 9:52 PM EDT	Special Weather Statement	TBW	Hillsborough	38 min
Oct 18, 9:54 PM EDT	Special Marine Warning	TBW		51 min
Oct 18, 10:07 PM EDT	Special Weather Statement	TBW	Hillsborough	23 min
Oct 18, 10:23 PM EDT	Tornado Warning	TBW	Hillsborough, Polk	37 min
Oct 18, 10:28 PM EDT	Areal Flood Advisory	TBW	Hillsborough, Pasco, Pinellas	92 min
Oct 18, 10:28 PM EDT	Special Weather Statement	TBW	Pasco	47 min
Oct 18, 10:36 PM EDT	Special Weather Statement	TBW	Pasco	39 min
Oct 18, 10:55 PM EDT	Tornado Warning	TBW	Hillsborough, Pasco, Polk	50 min
Oct 18, 11:52 PM EDT	Tornado Warning	TBW	Polk	23 min
Oct 18, 11:59 PM EDT	Special Marine Warning	TBW		61 min
Oct 19, 12:55 AM EDT	Special Marine Warning	TBW		65 min
Oct 19, 1:54 AM EDT	Special Marine Warning	TBW		96 min
Oct 19, 2:48 AM EDT	Special Weather Statement	TBW	Manatee, Pinellas, Sarasota	42 min
Oct 19, 3:08 AM EDT	Areal Flood Advisory	TBW	Pinellas	82 min
Oct 19, 3:20 AM EDT	Tornado Warning	TBW	Sarasota	40 min
Oct 19, 3:24 AM EDT	Special Marine Warning	TBW		96 min
Oct 19, 3:31 AM EDT	Special Weather Statement	TBW	Charlotte, DeSoto, Hardee, Lee, Manatee, Sarasota	59 min
Oct 19, 3:51 AM EDT	Areal Flood Advisory	TBW	Sarasota	84 min
Oct 19, 4:13 AM EDT	Severe Thunderstorm Warning	TBW	Charlotte, Sarasota	32 min
Oct 19, 4:17 AM EDT	Tornado Warning	TBW	Charlotte, Sarasota	28 min
Oct 19, 4:45 AM EDT	Special Weather Statement	TBW	Hardee	45 min
Oct 19, 5:05 AM EDT	Special Marine Warning	TBW		115 min
Oct 19, 5:59 AM EDT	Tornado Warning	TBW	Charlotte, Sarasota	31 min
Oct 19, 6:18 AM EDT	Areal Flood Advisory	TBW	Pinellas	87 min
Oct 19, 8:25 AM EDT	Special Weather Statement	TBW	Sarasota	35 min
Oct 19, 10:16 AM EDT	River Flood Warning	TBW	Hillsborough	71 hr
Oct 19, 11:32 AM EDT	Special Weather Statement	TBW	Highlands	43 min
Oct 19, 12:15 PM EDT	Special Weather Statement	TBW	Okeechobee	45 min
Oct 19, 1:04 PM EDT	Special Marine Warning	TBW		26 min
Oct 19, 2:04 PM EDT	Special Weather Statement	TBW	Hernando	41 min
Oct 19, 2:18 PM EDT	Special Weather Statement	TBW	Hernando	27 min
Oct 19, 3:35 PM EDT	Special Marine Warning	TBW		40 min
Oct 19, 4:35 PM EDT	Special Marine Warning	TBW		25 min
Oct 19, 6:26 PM EDT	Special Weather Statement	TBW	Sarasota	34 min
Oct 19, 7:36 PM EDT	Special Weather Statement	TBW	Hardee	39 min

Nearby

Special Weather Statements in Florida, 2019 Every special weather statement in 2019

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.