Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 134, NWS Jacksonville, FL

July 13, 2007Ware County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 13, 2007, 4:06 PM EDT for Ware County, Georgia. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 13, 2007, 4:06 PM EDT (20:06 UTC)
Expired: Jul 13, 2007, 4:45 PM EDT
In force: 39 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

County Ware County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.1 hours before the alert went out and 193 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: 383 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1457 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 13, 2:50 PM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jul 13, 2:50 PM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jul 13, 11:30 AM EDT, 4 hours 36 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1130 AM EDT FRI JUL 13 2007

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-141000-
HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-
ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-
JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-
INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-
COASTAL CAMDEN-
1130 AM EDT FRI JUL 13 2007

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

..ISOLATED STRONG TO SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON
AND EVENING...

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA
FROM LATE THIS MORNING THROUGH THE EVENING HOURS. THE BEST
COVERAGE WILL BE SOUTH OF I-10. THE STRONGEST STORMS WILL PRODUCE
LOCALLY HEAVY RAINFALL...STRONG AND GUSTY WINDS...AND FREQUENT
CLOUD-TO-GROUND LIGHTNING STRIKES.

ISOLATED STRONG TO SEVERE THUNDERSTORMS WITH DAMAGING WINDS WILL BE
POSSIBLE OVER INTERIOR SECTIONS MAINLY SOUTH IF I-10 THIS AFTERNOON
DUE TO THE WEST AND EAST COAST SEA BREEZE COLLISION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED
THROUGH THE WEEKEND. THE STRONGEST THUNDERSTORMS WILL BE CAPABLE
OF PRODUCING HAIL...STRONG WINDS...HEAVY RAINFALL...AND FREQUENT
CLOUD-TO-GROUND LIGHTNING STRIKES.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE REQUESTED TO SELF-ACTIVATE IF WARNINGS ARE ISSUED FOR
THEIR AREA.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

MKT/HESS

In the hours before

Special weather statement, Jul 13, 3:03 PM EDT, 1 hour 3 minutes before

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Special weather statement, Jul 13, 3:12 PM EDT, 54 minutes before

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Local storm report, Jul 13, 3:25 PM EDT, 41 minutes before

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Local storm report, Jul 13, 3:28 PM EDT, 38 minutes before

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Special weather statement, Jul 13, 3:45 PM EDT, 21 minutes before

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Local storm report, Jul 13, 3:59 PM EDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 12:38 PM EDT	Severe Thunderstorm Warning	JAX	Suwannee	67 min
Jul 13, 12:54 PM EDT	Severe Thunderstorm Warning	JAX	Nassau	36 min
Jul 13, 1:12 PM EDT	Special Marine Warning	JAX		2 hr
Jul 13, 2:15 PM EDT	Special Marine Warning	JAX		2 hr
Jul 13, 2:43 PM EDT	Severe Thunderstorm Warning	JAX	Baker	47 min
Jul 13, 3:18 PM EDT	Special Marine Warning	JAX		34 min
Jul 13, 3:32 PM EDT	Severe Thunderstorm Warning	JAX	Baker	43 min
Jul 13, 1:13 PM EDT	Severe Thunderstorm Warning	JAX	Camden	62 min
Jul 13, 5:47 PM EDT	Severe Thunderstorm Warning	JAX	Echols	58 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2007 Every severe thunderstorm warning in 2007

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.