Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

May 14, 2012Irwin County, Georgia

NWS Tallahassee, FL issued this special weather statement at May 14, 2012, 10:18 PM EDT for Irwin County, Georgia. It was in force for 57 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: May 14, 2012, 10:18 PM EDT (02:18 UTC)
Expired: May 14, 2012, 11:15 PM EDT
In force: 57 min
Issued by: NWS Tallahassee, FL

County Irwin County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 2.3 hours before the alert went out and 179 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: 407 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1009 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

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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 May 14, 8:25 PM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, May 14, 8:25 PM EDT, 1 hour 53 minutes before

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Hazardous weather outlook, May 14, 9:52 PM EDT, 26 minutes before

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In the hours before

Special weather statement, May 14, 4:52 PM EDT, 5 hours 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
452 PM EDT MON MAY 14 2012

GAZ128-130-131-142115-
TURNER GA-BEN HILL GA-IRWIN GA-
452 PM EDT MON MAY 14 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR BEN HILL...IRWIN
AND TURNER COUNTIES...

* UNTIL 515 PM EDT

AT 448 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM 6 MILES NORTHEAST OF ASHBURN...OR NEAR AMBOY...MOVING
EAST AT 30 MPH.

PENNY SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

ALSO...FREQUENT 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 3163 8315 3168 8363 3180 8364 3186 8348
      3185 8318
TIME...MOT...LOC 2052Z 257DEG 25KT 3175 8353

9-FOURNIER

Special weather statement, May 14, 5:42 PM EDT, 4 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
542 PM EDT MON MAY 14 2012

GAZ145-156>158-142215-
THOMAS GA-MITCHELL GA-GRADY GA-DECATUR GA-
542 PM EDT MON MAY 14 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR NORTHEAST
DECATUR...NORTHERN GRADY...SOUTHERN MITCHELL AND NORTHERN THOMAS
COUNTIES...

* UNTIL 615 PM EDT

AT 536 PM EDT...THE NATIONAL WEATHER SERVICE DETECTED A STRONG
THUNDERSTORM 14 MILES NORTHEAST OF WEST BAINBRIDGE...OR NEAR VADA...
MOVING EAST AT 5 MPH.

PENNY SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

ALSO...FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS
STORM.

LAT...LON 3102 8404 3095 8451 3108 8454 3108 8450
      3112 8450 3114 8448 3116 8448 3120 8440
      3122 8440 3124 8437 3129 8434 3136 8419
TIME...MOT...LOC 2141Z 253DEG 5KT 3109 8444

9-FOURNIER

Special weather statement, May 14, 10:18 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
May 15, 3:19 PM EDT	Special Weather Statement	TAE	Wakulla	26 min
May 15, 3:38 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	37 min
May 15, 4:39 PM EDT	Special Weather Statement	TAE	Leon	21 min
May 15, 3:03 PM EDT	Special Weather Statement	TAE	Thomas	27 min
May 15, 3:15 PM EDT	Severe Thunderstorm Warning	TAE	Thomas	30 min

Nearby

Special Weather Statements in Georgia, 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; the sounding from the Mesonet's radiosonde archive.