Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Tallahassee, FL

July 18, 2016Leon County, Florida

NWS Tallahassee, FL issued this special weather statement at Jul 18, 2016, 1:03 PM EDT for Leon County, Florida. It was in force for 27 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 18, 2016, 1:03 PM EDT (17:03 UTC)
Expired: Jul 18, 2016, 1:30 PM EDT
In force: 27 min
Issued by: NWS Tallahassee, FL

County Leon County, FL

The radar

The Tallahassee radar (KTLH), 18 km from the middle of the area, began a volume at 17:02 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, 5.1 hours before the alert went out and 18 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: 923 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 931 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 18, 9:33 AM EDT, 3 hours 30 minutes earlier.

Area forecast discussion, Jul 18, 9:33 AM EDT, 3 hours 30 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Special weather statement, Jul 18, 1:03 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
103 PM EDT MON JUL 18 2016

FLZ016-017-181730-
LEON FL-GADSDEN FL-
103 PM EDT MON JUL 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL GADSDEN AND CENTRAL
LEON COUNTIES UNTIL 130 PM EDT...

AT 102 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TALLAHASSEE...MOVING SOUTHWEST AT 10 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
TALLAHASSEE...MIDWAY...FLORIDA A AND M...DOAK CAMPBELL STADIUM...
FLORIDA STATE UNIVERSITY...TALLAHASSEE COMM COLLEGE...
FOREST MEADOWS PARK...STATE CAPITAL COMPLEX...MACON COMMUNITY PARK...
LAKE JACKSON...TALLAHASSEE MALL...LEON COUNTY CIVIC CENTER...
MISSION SAN LUIS...WINTHROP PARK...MACLAY STATE GARDENS...
LAKE ELLA...ORCHARD POND...KILLEARN LAKES...
KLEMAN PLAZA AND TALLAHASSEE COML AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3064 8432 3060 8418 3041 8429 3052 8449
TIME...MOT...LOC 1702Z 049DEG 7KT 3054 8432

ADL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 1:05 PM EDT	Special Weather Statement	TAE	Liberty	25 min
Jul 18, 2:40 PM EDT	Special Marine Warning	TAE		50 min
Jul 18, 2:43 PM EDT	Special Weather Statement	TAE	Gulf	47 min
Jul 18, 2:54 PM EDT	Special Weather Statement	TAE	Wakulla	51 min
Jul 18, 3:14 PM EDT	Special Weather Statement	TAE	Bay	46 min
Jul 18, 3:16 PM EDT	Special Marine Warning	TAE		29 min
Jul 18, 3:59 PM EDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	31 min
Jul 18, 4:18 PM EDT	Special Marine Warning	TAE		57 min
Jul 18, 4:58 PM EDT	Special Marine Warning	TAE		32 min
Jul 18, 5:12 PM EDT	Special Weather Statement	TAE	Dixie	33 min
Jul 18, 5:24 PM EDT	Special Marine Warning	TAE		36 min
Jul 18, 5:39 PM EDT	Special Marine Warning	TAE		36 min
Jul 18, 6:24 PM EDT	Special Weather Statement	TAE	Taylor	51 min
Jul 17, 8:07 PM EDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Cook	38 min
Jul 17, 8:35 PM EDT	Special Weather Statement	TAE	Colquitt	40 min
Jul 18, 7:04 PM EDT	Special Weather Statement	TAE	Calhoun	26 min
Jul 18, 5:12 PM EDT	Severe Thunderstorm Warning	TAE	Houston	33 min
Jul 18, 5:33 PM EDT	Special Weather Statement	TAE	Houston	27 min

Nearby

Special Weather Statements in Florida, 2016 Every special weather statement in 2016

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.