Alert archive / Georgia / Special Weather Statements in 2016

Special Weather Statement, NWS Tallahassee, FL

July 17, 2016Seminole County, Georgia

NWS Tallahassee, FL issued this special weather statement at Jul 17, 2016, 2:15 PM EDT for Seminole County, Georgia. It was in force for 45 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 17, 2016, 2:15 PM EDT (18:15 UTC)
Expired: Jul 17, 2016, 3:00 PM EDT
In force: 45 min
Issued by: NWS Tallahassee, FL

County Seminole County, GA

The radar

The Tallahassee radar (KTLH), 60 km from the middle of the area, began a volume at 18:15 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, 6.3 hours before the alert went out and 62 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: 711 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 957 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 5 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 17, 1:21 PM EDT, 54 minutes earlier.

Area forecast discussion, Jul 17, 1:21 PM EDT, 54 minutes before

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In the hours before

Special weather statement, Jul 17, 2:13 PM EDT, 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
213 PM EDT SUN JUL 17 2016

FLZ010-012>014-112-171900-
INLAND GULF FL-COASTAL BAY FL-INLAND BAY FL-CALHOUN FL-WASHINGTON FL-
213 PM EDT SUN JUL 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN BAY...NORTHWESTERN
GULF...SOUTHWESTERN CALHOUN AND SOUTHEASTERN WASHINGTON COUNTIES
UNTIL 300 PM EDT/200 PM CDT/...

AT 213 PM EDT/113 PM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED A STRONG THUNDERSTORM 9 MILES NORTHEAST OF CALLAWAY...
MOVING SOUTHWEST AT 5 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PANAMA CITY...LYNN HAVEN...CALLAWAY...SPRINGFIELD...HILAND PARK...
TYNDALL AIR FORCE BASE...PARKER...GAINER SPRING...BAYOU GEORGE...
RIVERSIDE...NIXON...MILLVILLE...CAMP FLOWERS...FOUNTAIN...
RECOTA BEACH...VICKSBURG...SOUTHPORT...COLLEGE STATION...
BAY HARBOR AND BENNETT.

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 3057 8566 3055 8538 3010 8532 3006 8558
      3018 8571
TIME...MOT...LOC 1813Z 046DEG 6KT 3021 8544

ADL

Special weather statement, Jul 17, 2:15 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
215 PM EDT SUN JUL 17 2016

FLZ011-016-GAZ155-156-171900-
JACKSON FL-GADSDEN FL-DECATUR GA-SEMINOLE GA-
215 PM EDT SUN JUL 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GADSDEN...JACKSON...
DECATUR AND SEMINOLE COUNTIES UNTIL 300 PM EDT/200 PM CDT/...

AT 215 PM EDT/115 PM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED A STRONG THUNDERSTORM OVER CHATTAHOOCHEE...OR 15 MILES
NORTHWEST OF QUINCY...MOVING NORTH AT 20 MPH.

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

LOCATIONS IMPACTED INCLUDE...
CHATTAHOOCHEE...SNEADS...FAIRCHILD...MOUNT PLEASANT...
SEMINOLE STATE PARK...RIVER JUNCTION...HARDIN HEIGHTS...JINKS...
DELLWOOD...ROSEDALE...RECOVERY...DRAKES STILL...
LAKE SEMINOLE AND REYNOLDSVILLE.

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 3065 8469 3061 8491 3083 8506 3089 8475
TIME...MOT...LOC 1815Z 159DEG 19KT 3069 8480

ADL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 2:13 PM EDT	Special Weather Statement	TAE	Bay	47 min
Jul 17, 2:28 PM EDT	Special Marine Warning	TAE		47 min
Jul 17, 3:08 PM EDT	Special Weather Statement	TAE	Holmes	52 min
Jul 17, 5:51 PM EDT	Special Weather Statement	TAE	Lafayette	54 min
Jul 17, 2:48 PM EDT	Special Weather Statement	TAE	Decatur	27 min
Jul 17, 6:16 PM EDT	Special Weather Statement	TAE	Lowndes	44 min
Jul 17, 6:25 PM EDT	Severe Thunderstorm Warning	TAE	Lowndes	35 min
Jul 17, 7:53 PM EDT	Special Weather Statement	TAE	Cook	52 min
Jul 17, 3:40 PM EDT	Special Weather Statement	TAE	Geneva	50 min
Jul 17, 4:00 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Geneva, Houston	45 min
Jul 17, 4:22 PM EDT	Special Weather Statement	TAE	Dale	53 min
Jul 17, 4:31 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Henry, Houston	44 min
Jul 17, 5:01 PM EDT	Special Weather Statement	TAE	Dale, Henry	44 min

Nearby

Special Weather Statements in Georgia, 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.