Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

July 29, 2012Wakulla County, Florida

NWS Tallahassee, FL issued this special weather statement at Jul 29, 2012, 6:21 PM EDT for Wakulla County, Florida. It was in force for 39 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 29, 2012, 6:21 PM EDT (22:21 UTC)
Expired: Jul 29, 2012, 7:00 PM EDT
In force: 39 min
Issued by: NWS Tallahassee, FL

County Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 15 km from the middle of the area, began a volume at 22:24 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.

What was reported inside it

Time	Report	Where	Remark
Jul 29, 6:43 PM EDT	TORNADO	3 Nne Crawfordville, FL	COUNTY DISPATCHER REPORTS NUMEROUS TREES AND POWERLINES DOWN. FIRST RESPONDERS ARE ON THE WAY TO THE SCENE
Jul 29, 6:43 PM EDT	TORNADO	4 N Crawfordville, FL	LARGE TREE DOWN ON HOUSE, JUST OFF WHIDDON LAKE ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.4 hours before the alert went out and 13 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: 2352 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 696 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

979 
WWUS82 KTAE 292221
SPSTAE

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
621 PM EDT SUN JUL 29 2012

FLZ017-027-127-292300-
LEON FL-COASTAL WAKULLA FL-INLAND WAKULLA FL-
621 PM EDT SUN JUL 29 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR LEON AND WAKULLA
COUNTIES...

* UNTIL 700 PM EDT

AT 618 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM NEAR WOODVILLE...OR NEAR EIGHT MILE POND. THIS STORM WAS
NEARLY STATIONARY.

WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

ALSO...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS
STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER
ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

LAT...LON 3036 8409 3013 8417 3024 8446 3039 8435
TIME...MOT...LOC 2222Z 301DEG 1KT 3033 8430

$$

25-CAMP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 4:14 PM EDT	Special Weather Statement	TAE	Madison	61 min
Jul 29, 5:44 PM EDT	Special Weather Statement	TAE	Madison	46 min
Jul 29, 6:36 PM EDT	Special Weather Statement	TAE	Gadsden	39 min
Jul 29, 6:40 PM EDT	Tornado Warning	TAE	Wakulla	19 min
Jul 29, 3:22 PM EDT	Severe Thunderstorm Warning	TAE	Dougherty, Mitchell, Worth	38 min
Jul 29, 4:24 PM EDT	Special Weather Statement	TAE	Lowndes	36 min
Jul 29, 5:15 PM EDT	Special Weather Statement	TAE	Cook	45 min
Jul 29, 5:26 PM EDT	Special Weather Statement	TAE	Clay, Quitman, Randolph	49 min
Jul 29, 7:44 PM EDT	Special Weather Statement	TAE	Miller	46 min
Jul 29, 5:40 PM EDT	Special Weather Statement	TAE	Dale	50 min

Nearby

Special Weather Statements in Florida, 2012 Every special weather statement in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.