Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 193, NWS Jacksonville, FL

August 15, 2012Flagler County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 15, 2012, 5:37 PM EDT for Flagler County, Florida. It was in force for 38 min. 3 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: Aug 15, 2012, 5:37 PM EDT (21:37 UTC)
Expired: Aug 15, 2012, 6:15 PM EDT
In force: 38 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 125 km from the middle of the area, began a volume at 21:40 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
Aug 15, 5:55 PM EDT	TSTM WND GST 50	Flagler Beach, FL	SPOTTERS REPORTED WINDS OF 45-50 MPH IN NORTH FLAGLER BEACH AREA. INFORMATION RELAYED THROUGH EMA.
Aug 15, 5:55 PM EDT	TSTM WND GST 64	S Flagler Beach, FL	TRAINED WEATHER SPOTTER IN FLAGLER BEACH REPORTED A 64 MPH WIND GUST VIA AN ANEMOMETER PLACED AT A 30 FOOT ELEVATION. TIME OF GUST BASED ON RADAR IMAGERY.
Aug 15, 5:58 PM EDT	TSTM WND DMG	1 Nw Flagler Beach, FL	FLAGLER BEACH FIRE RESCUE REPORTED MULTIPLE POWERLINES DOWN ON MOODY BLVD. INFORMATION RELAYED BY EMA.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 18 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.6 hours before the alert went out and 126 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: 2279 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 609 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

203 
WUUS52 KJAX 152137
SVRJAX
FLC035-152215-
/O.NEW.KJAX.SV.W.0193.120815T2137Z-120815T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
537 PM EDT WED AUG 15 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN FLAGLER COUNTY IN NORTHEAST FLORIDA

* UNTIL 615 PM EDT

* AT 537 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS
  IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR PALM COAST...AND
  MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  FLAGLER BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...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.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 2942 8113 2941 8115 2940 8115 2938 8115
      2958 8133 2967 8120 2954 8115 2944 8110
      2942 8110
TIME...MOT...LOC 2137Z 314DEG 13KT 2959 8118

$$

SHASHY

1 follow-up statement

984 
WWUS52 KJAX 152151
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
551 PM EDT WED AUG 15 2012

FLC035-152215-
/O.CON.KJAX.SV.W.0193.000000T0000Z-120815T2215Z/
FLAGLER FL-
551 PM EDT WED AUG 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR EASTERN FLAGLER COUNTY...

AT 551 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN 
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED JUST NORTH OF FLAGLER 
BEACH...MOVING SOUTHEAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FLAGLER
BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO HAIL AND DAMAGING WINDS...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.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 2942 8113 2941 8115 2938 8115 2952 8128
      2960 8117 2954 8115 2944 8110 2942 8110
TIME...MOT...LOC 2151Z 333DEG 19KT 2951 8114

$$

SHASHY

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 Aug 15, 2:50 PM EDT, 2 hours 47 minutes earlier.

Area forecast discussion, Aug 15, 2:50 PM EDT, 2 hours 47 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
250 PM EDT WED AUG 15 2012

...ISOLATED STRONG STORMS POSSIBLE REST OF THE AFTERNOON...
...SCATTERED MAINLY AFTERNOON AND EVENING STORMS THROUGH THE
WEEKEND...

.CURRENTLY...LAPS ANALYSES SHOW SBCAPE VALUES OF 3-4 K J/KG AND WITH
AN EARLY START TO CONVECTION SOME OF THE ENVIRONMENT WILL BE TURNED
OVER. NONETHELESS...ONGOING SCT CONVECTION WILL CONTINUE THROUGH THE
AFTN MAINLY IN NE FL. LOW LEVEL RIDGE AXIS IS LOCATED OVER SRN FL
INTO CENTRAL GULF OF MEXICO. WATER VAPOR IMAGERY SHOWS SOME DRY AIR
ALOFT THAT MAY SUPPORT SOME STRONG DOWNDRAFT AIR IN STRONG TSTMS
CELLS.

&&

.TONIGHT...LINGERING SFC TROUGH FROM OVER THE CAROLINAS TO CENTRAL
AND N GA WILL DRIFT A BIT SWD WHILE ALOFT A NARROW VORT LOBE WILL
EXIST OVER N HALF OF THE CWA. MORE THAN SUFFICIENT DEEP LAYER
MOISTURE AND LEFT OVER BOUNDARIES WILL EXIST FOR ISOLD TO SCT
CONVECTION IN THE EVENING HOURS. TROUGHING OVER THE AREA AND PWATS
HOVERING JUST UNDER 2 INCHES MAY KEEP SOME WEAK ISOLD CONVECTION
GOING PAST MIDNIGHT. LOWS IN THE LOWER TO MID 70S.

THU...BOTH NAM AND GFS SHOW PREVAILING LOW LEVEL SW TO WLY FLOW OVER
THE FORECAST REGION AND BROAD MID/UPPER TROUGHING EXTENDING OVER THE
SE STATES. WEAK SFC TROUGH WILL EXTEND FROM S CAROLINA TO S CENTRAL
AL. MODELS SHOW GENERALLY WEAK LIFT ASSOCD WITH SHORTWAVE IMPULSES
WHICH WILL ENHANCE CONVECTIVE CHANCES. MAV GUIDANCE POPS WERE
UNDERDONE TODAY AND APPEARS THE SAME ON THU...SO FEEL FAIRLY
CONFIDENT GOING ABOVE THE 20% IT HAS PAINTED FOR OUR AREA. HIGHS
AGAIN MAINLY IN THE LOWER 90S AND POPS WILL BE ADVERTISED AROUND
40-50%. THU NIGHT...MORE WELL-DEFINED SHORTWAVE IMPULSE IS FCST TO MOVE
ACROSS THE SE STATES FROM AL TO NE FL. WILL HAVE MID CHANCE POPS IN
THE FORECAST ATTM...MAINLY FOR EVENING BUT MAINTAIN LOW END CHANCE
POPS OVERNIGHT.

FRI THROUGH SAT...MODELS MAINTAIN RELATIVELY HIGH MOISTURE
LEVELS WITH PWATS NEAR 1.8 TO 2 INCHES. THIS COMBINED WITH 500 MB
TEMPS NEAR -7/-8C AND DAYTIME HEATING WILL EASILY SUPPORT HIGH END
CHANCE (40-50%) POPS. GENERAL STORM MOTION WILL BE W TO E...MAKING
TO THE E COAST BY LATE MORNING OR EARLY AFTN. HIGHS MAY BE A BIT
LOWER THAN CLIMATOLOGY GIVEN THE ONSET/BETTER LIKELY-HOOD OF
CONVECTION/CLOUD COVER. AT NIGHT...SCT MAINLY EVENING
CONVECTION...BUT AGAIN AT LEAST SOME LATE NIGHT CONVECTION IS
POSSIBLE GIVEN THE BROAD TROUGHING THAT WILL EXIST AND ASSOCD
SHORTWAVE IMPULSES.

&&

.LONG TERM...SUN-WED...
THE 12Z MODEL GUIDANCE SHOWS LITTLE CHANGE IN THE PRIOR FCST
WITH A MID/UPPER TROUGH FROM THE ERN GREAT LAKES TO THE ERN GULF...
AND DISTURBANCES PIVOTING THROUGH THE BASE OF THE TROUGH.
CHANCE POPS SEEM VERY REASONABLE AT THIS TIME...WITH TEMPS
HOVERING WITHIN A COUPLE OF DEGS OF CLIMATE VALUES.

&&

.AVIATION...TEMPO FOR TSRA WITH MAINLY MVFR CONDS THOUGH GIVEN THE
HIGHER PWATS IFR VSBY POSSIBLE. SO FAR GUSTS HAVE BEEN AROUND 25-30
KT IN TSRA BUT RECENT REPORT NEAR 50 MPH AT VAD JUST W OF OUR GA
COUNTIES. OUTSIDE OF CONVECTION...VFR.

&&

.MARINE...S TO SW WINDS NEAR 10-15 KTS. SEAS OF ABOUT 3 FT OR LESS.
SCEC CONDITIONS POSSIBLE FRI NIGHT AS THE PRESSURE GRADIENT
STRENGTHENS AS SFC FRONT/TROUGH SAGS FARTHER SOUTH
OVER S-CENTRAL GA.

RIP CURRENTS: LOW RISK TODAY AND THU.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  73  94  72  91 /  20  40  40  40
SSI  76  91  76  90 /  30  30  30  40
JAX  73  93  73  91 /  30  40  40  50
SGJ  74  90  74  89 /  30  50  40  40
GNV  72  93  72  90 /  30  40  30  40
OCF  72  93  72  90 /  30  40  30  40

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...NONE.
&&

SHASHY/HESS/LETRO

Hazardous weather outlook, Aug 15, 2:20 PM EDT, 3 hours 17 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
220 PM EDT WED AUG 15 2012

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-160930-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM-
ST AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-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-
220 PM EDT WED AUG 15 2012

THIS OUTLOOK IS FOR NORTHEAST FLORIDA...SOUTHEAST GEORGIA AND THE
ADJACENT COASTAL WATERS.

...ISOLATED STRONG STORMS EXPECTED THIS AFTERNOON AND EVENING...

.DAY ONE...TODAY AND TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AND MOVE SOUTHWEST
TO NORTHEAST ACROSS THE REGION TODAY. THE BULK OF THE STORMS WILL BE
JUST NORTH OF THE I-10 CORRIDOR INTO EXTREME SOUTHEAST GEORGIA.
A FEW OF THE STORMS COULD BECOME STRONG WITH GUSTY WINDS AND
EXCESSIVE CLOUD TO GROUND LIGHTNING. MOST OF THE STORMS ARE EXPECTED
TO DISSIPATE DURING THE EVENING HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

SCATTERED DIURNAL THUNDERSTORM ACTIVITY IS EXPECTED THROUGH THE
PERIOD. A FEW STRONG STORMS WILL BE POSSIBLE EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME.

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

In the hours before

Special weather statement, Aug 15, 4:07 PM EDT, 1 hour 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
407 PM EDT WED AUG 15 2012

GAZ132-133-152035-
COFFEE-JEFF DAVIS-
407 PM EDT WED AUG 15 2012

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR SOUTHWESTERN
JEFF DAVIS AND NORTHERN COFFEE COUNTIES FOR STRONG WINDS AND SMALL
HAIL VALID UNTIL 435 PM EDT...

AT 407 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 3 MILES EAST OF PRIDGEN...OR 5 MILES
NORTH OF BROXTON...MOVING SOUTHEAST AT 10 MPH. THIS STRONG
THUNDERSTORM WILL ALSO AFFECT AREAS AROUND PRIDGEN...BROXTON...WEST
GREEN...SNIPESVILLE AND DENTON THROUGH 435 PM EDT. HAIL UP TO THREE
QUARTER INCH IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH CAN BE
EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 3171 8260 3150 8275 3165 8302 3167 8300
      3174 8300 3180 8295 3179 8287 3180 8286
TIME...MOT...LOC 2007Z 296DEG 10KT 3170 8287

SHASHY

Special weather statement, Aug 15, 4:08 PM EDT, 1 hour 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
408 PM EDT WED AUG 15 2012

FLZ033-152100-
ST. JOHNS-
408 PM EDT WED AUG 15 2012

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR ST. JOHNS
COUNTY FOR EXCESSIVE LIGHTNING VALID UNTIL 500 PM EDT...

AT 408 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 22 MILES NORTHEAST
OF GUANA RIVER STATE PARK TO 2 MILES NORTH OF VILANO BEACH TO 13
MILES SOUTHWEST OF ELKTON...MOVING EAST AT 15 MPH. THESE STRONG
THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND SOUTH PONTE VEDRA
BEACH...GUANA RIVER STATE PARK...VILANO BEACH...ELKTON...SAINT
AUGUSTINE...SAINT AUGUSTINE SOUTH...ANASTASIA...SAINT AUGUSTINE
SOUTH...SAINT AUGUSTINE SHORES AND SAINT AUGUSTINE BEACH THROUGH 500
PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED. POSTPONE
OUTDOOR ACTIVITIES PROMPTLY. GO QUICKLY INSIDE A COMPLETELY ENCLOSED
BUILDING. UNPLUG ELECTRONIC DEVICES AND APPLIANCES AS THEY ARE
SUSCEPTIBLE TO POWER SURGES AND MAY BE DAMAGED BY NEARBY LIGHTNING
STRIKES.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE DIRECTLY AT 1-800-499-1594.

LAT...LON 2969 8123 2966 8133 2981 8157 2998 8143
      3014 8135 3013 8134 2994 8129 2988 8126
      2977 8125 2971 8122
TIME...MOT...LOC 2008Z 267DEG 15KT 3029 8105 2997 8129
          2966 8158

NELSON

Local storm report, Aug 15, 4:12 PM EDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
412 PM EDT WED AUG 15 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0340 PM     TSTM WND DMG     STEPHEN FOSTER STATE PA 30.82N 82.34W
08/15/2012                   CHARLTON           GA   COUNTY OFFICIAL

            TREES REPORTED DOWN IN THE CABIN AREA AT THE STEPHEN
            FOSTER PARK.

&&

ARS

Special weather statement, Aug 15, 4:23 PM EDT, 1 hour 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
423 PM EDT WED AUG 15 2012

GAZ150>152-164-152050-
BRANTLEY-CHARLTON-PIERCE-WARE-
423 PM EDT WED AUG 15 2012

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN
WARE...PIERCE...WESTERN BRANTLEY AND NORTHWESTERN CHARLTON COUNTIES
FOR STRONG WINDS AND SMALL HAIL VALID UNTIL 450 PM EDT...

AT 422 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
DEVELOPING STRONG THUNDERSTORMS CENTERED 9 MILES SOUTHEAST OF
WAYCROSS...MOVING NORTHEAST AT 35 MPH. THESE STRONG THUNDERSTORMS
WILL AFFECT AREAS AROUND WAYCROSS... SUNNYSIDE...NEEDHAM...
DEENWOOD...RACE POND...BLACKSHEAR...WINOKUR...HOBOKEN...PATTERSON
AND HICKOX THROUGH 450 PM EDT. HAIL UP TO THREE QUARTER INCH IN
DIAMETER AND GUSTY WINDS OF 40 TO 55 MPH CAN BE EXPECTED ALONG WITH
POSSIBLE MINOR DAMAGE. FREQUENT LIGHTNING IS ALSO POSSIBLE.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 3148 8221 3126 8199 3100 8199 3096 8241
      3118 8256
TIME...MOT...LOC 2022Z 240DEG 30KT 3113 8224

SHASHY

Special weather statement, Aug 15, 5:12 PM EDT, 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
512 PM EDT WED AUG 15 2012

FLZ037-038-152200-
FLAGLER-PUTNAM-
512 PM EDT WED AUG 15 2012

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR SOUTHEASTERN
PUTNAM AND FLAGLER COUNTIES FOR STRONG WINDS VALID UNTIL 600 PM
EDT...

AT 511 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 4 MILES NORTHEAST
OF MARINELAND TO 5 MILES WEST OF ESPANOLA TO 2 MILES NORTHWEST OF
CRESCENT CITY...MOVING SOUTHEAST AT 20 TO 25 MPH. THESE THUNDERSTORMS
WILL AFFECT AREAS AROUND POMONA PARK...MARINELAND...LAKE COMO...
GEORGETOWN...ANDALUSIA...CRESCENT CITY...PALM COAST...
ESPANOLA...BUNNELL AND FLAGLER BEACH THROUGH 600 PM EDT. GUSTY WINDS
OF 35 TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND
DAMAGE.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 2942 8110 2941 8115 2938 8116 2930 8135
      2931 8143 2939 8143 2936 8149 2933 8168
      2934 8166 2937 8168 2947 8165 2962 8140
      2963 8132 2965 8132 2967 8121 2966 8120
      2944 8110
TIME...MOT...LOC 2111Z 294DEG 23KT 2970 8116 2953 8138
          2946 8152

SHASHY

Special weather statement, Aug 15, 5:32 PM EDT, 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
532 PM EDT WED AUG 15 2012

FLZ040-152215-
MARION-
532 PM EDT WED AUG 15 2012

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR EASTERN MARION
COUNTY FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 615 PM
EDT...

AT 533 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 3 MILES EAST OF BURBANK...OR 6 MILES SOUTH OF
FORT MCCOY...MOVING EAST AT 15 MPH. THESE STRONG THUNDERSTORMS WILL
AFFECT AREAS AROUND FORT MCCOY...BURBANK...LYNNE...SALT SPRINGS AND
JUNIPER SPRINGS THROUGH 615 PM EDT. EXCESSIVE CLOUD-TO-GROUND
LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH
POSSIBLE MINOR DAMAGE.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 2918 8205 2927 8207 2938 8199 2941 8182
      2934 8167 2933 8168 2931 8167 2930 8165
      2914 8168
TIME...MOT...LOC 2133Z 278DEG 13KT 2928 8194

SHASHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 15, 2:36 PM EDT	Special Weather Statement	JAX	Hamilton	39 min
Aug 15, 3:58 PM EDT	Special Weather Statement	JAX	Nassau	47 min
Aug 15, 4:08 PM EDT	Special Weather Statement	JAX	Saint Johns	52 min
Aug 15, 4:13 PM EDT	Special Marine Warning	JAX		92 min
Aug 15, 4:53 PM EDT	Special Marine Warning	JAX		97 min
Aug 15, 5:12 PM EDT	Special Weather Statement	JAX	Flagler	48 min
Aug 15, 5:32 PM EDT	Special Weather Statement	JAX	Marion	43 min
Aug 15, 5:38 PM EDT	Special Marine Warning	JAX		97 min
Aug 15, 6:28 PM EDT	Special Weather Statement	JAX	Flagler	47 min
Aug 15, 6:31 PM EDT	Areal Flood Advisory	JAX	Flagler	89 min
Aug 15, 6:45 PM EDT	Special Weather Statement	JAX	Lake	30 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012 Every severe thunderstorm warning 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.