Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Tallahassee, FL

March 18, 2018Leon County, Florida

NWS Tallahassee, FL issued this special weather statement at Mar 18, 2018, 6:13 PM EDT for Leon County, Florida. It was in force for 32 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: Mar 18, 2018, 6:13 PM EDT (22:13 UTC)
Expired: Mar 18, 2018, 6:45 PM EDT
In force: 32 min
Issued by: NWS Tallahassee, FL

County Leon County, FL

The radar

The Tallahassee radar (KTLH), 20 km from the middle of the area, began a volume at 22:16 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.2 hours before the alert went out and 22 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: 79 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Mar 18, 3:57 PM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Mar 18, 3:57 PM EDT, 2 hours 16 minutes before

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In the hours before

Special weather statement, Mar 18, 4:21 PM EDT, 1 hour 52 minutes before

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Special weather statement, Mar 18, 5:59 PM EDT, 14 minutes before

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Special weather statement, Mar 18, 6:13 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 5:59 PM EDT	Special Weather Statement	TAE	Gadsden	31 min
Mar 17, 8:13 PM EDT	Special Weather Statement	TAE	Worth	32 min
Mar 17, 8:39 PM EDT	Special Weather Statement	TAE	Turner	36 min
Mar 18, 4:21 PM EDT	Special Weather Statement	TAE	Geneva	39 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.