Alert archive / Florida / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 85, NWS Jacksonville, FL

June 7, 2014Columbia County, Hamilton County, Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 7, 2014, 12:24 AM EDT for Columbia County, Hamilton County, Suwannee County, Florida. It was in force for 51 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
Jun 7, 2014, 12:24 AM EDT (04:24 UTC)
Expired
Jun 7, 2014, 1:15 AM EDT
In force
51 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Columbia County, FL, Hamilton County, FL, Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 67 km from the middle of the area, began a volume at 04:23 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 00:00Z, 4.4 hours before the alert went out and 139 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2014-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3735 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2014-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
3735 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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 Jun 6, 9:55 PM EDT, 2 hours 29 minutes earlier.

Area forecast discussion, Jun 6, 9:55 PM EDT, 2 hours 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
955 PM EDT FRI JUN 6 2014

.UPDATE...CLUSTERS OF SHOWERS AND THUNDERSTORMS CONTINUE TO AFFECT
PARTS OF NORTHEAST FL AND SOUTHEAST GA AIDED BY LINGERING INSTABILITY
FROM DIURNAL HEATING AND UPPER LEVEL DISTURBANCES. MEAN MOTION OF
THE THE SHOWERS AND STORMS WILL BE SE TO S NEAR 10-15 MPH AND
CONTINUE TO PRODUCE OCCASIONAL STRONG TO POSSIBLY SEVERE WIND GUSTS
AND PERHAPS SOME SMALL HAIL. BRIEF LOCALLY HEAVY RAINFALL WILL ALSO
OCCUR. LATEST MESOANALYSIS SHOWS SBCAPE VALUES ARE STILL IN THE
2000-3000 J/KG RANGE AND DOWNDRAFT CAPE ALSO ELEVATED AROUND 1000J.
THUS THE THREAT OF SEVERE WEATHER IS NOT OVER AND SPC CONTINUES TO
SHOW A PORTION OF THE FORECAST AREA IN A SLIGHT RISK FROM AROUND
INTERSTATE 10 NORTHWARD. ANTICIPATE GENERALLY WEAKER STORM ACTIVITY
AROUND MIDNIGHT TO 2 AM TIME FRAME. MAY UPDATE FCST TO CONTINUE TO
SHOW SCT SHOWERS AND STORMS AFTER 2 AM AS ANOTHER SHORTWAVE DROPS IN
OVER ERN AL AND GA LATE TONIGHT AND EARLY SATURDAY MORNING.

&&

.AVIATION...
PREVAILING VFR IS EXPECTED OUTSIDE OF TSRA...WHICH ALLOW
CONDITIONS TO DETERIORATE TO IFR. VCTS CONTINUES PAST MIDNIGHT
BUT HAVE KEPT TEMPO ONLY AT JAX SINCE STORMS ARE WITHIN 5 MILES
OF THE AIRPORT. STORMS WILL WIND DOWN BETWEEN 04Z AND 06Z.

&&

.MARINE...
NO HEADLINES ARE EXPECTED. WINDS AND SEAS WILL BE HIGHER NEAR
STORMS AND SPECIAL MARINE WARNINGS HAVE BEEN ISSUED THIS EVENING.
EXPECT PREVAILING SW WINDS AFTER MIDNIGHT WITH HIGH PRESSURE SOUTH
OF THE WATERS AND A FRONTAL BOUNDARY STALLED JUST TO THE NORTH.

RIP CURRENTS: LOW RISK IS EXPECTED ON SATURDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  71  92  71  92 /  60  60  60  50
SSI  73  89  75  86 /  70  50  50  30
JAX  72  91  70  90 /  80  60  60  50
SGJ  73  88  73  87 /  50  50  50  40
GNV  71  90  70  91 /  30  50  50  50
OCF  70  91  70  91 /  10  50  40  50

&&

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

ARS/MKT/PP
Hazardous weather outlook, Jun 6, 10:34 PM EDT, 1 hour 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1034 PM EDT FRI JUN 6 2014

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-070930-
ALACHUA-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT TO 20 NM-APPLING-
ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY-CAMDEN (COASTAL)-
CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE-COLUMBIA-DUVAL-ECHOLS-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT TO 20 NM-FLAGLER-GILCHRIST-
GLYNN (COASTAL)-GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-
PIERCE-PUTNAM-
ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-
ST AUGUSTINE TO FLAGLER BEACH FL OUT TO 20 NM-ST JOHNS-SUWANNEE-
UNION-WARE-WAYNE-
1034 PM EDT FRI JUN 6 2014

...SLIGHT RISK OF SEVERE THUNDERSTORMS NORTH PORTIONS OF THE
FORECAST AREA...

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

.DAY ONE...REST OF TONIGHT...

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THROUGH LATE
THIS EVENING AND OVERNIGHT MAINLY OVER LOCATIONS FROM INTERSTATE
10 NORTH. THERE IS A SLIGHT RISK OF SEVERE STORMS OVER NORTH
PORTIONS OF THE FORECAST AREA WITH STRONG WINDS AND HAIL POSSIBLE.
VERY HEAVY DOWNPOURS WILL ACCOMPANY THE STRONGEST STORMS. STORM
MOTION WILL BE EAST TO SOUTHEAST AROUND 15 MPH. STORM INTENSITY IS
ANTICIPATED TO WEAKEN AFTER 2 AM.

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

SCATTERED THUNDERSTORMS ARE EXPECTED EACH AFTERNOON AND EVENING. A
FEW OF THESE STORMS MAY BECOME STRONG PRODUCING GUSTY WINDS AND
HEAVY DOWNPOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUEST BUT SPOTTERS ARE ENCOURAGED TO
SUBMIT REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE
OR YOUR EMERGENCY MANAGEMENT OFFICIALS.

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

In the hours before

Local storm report, Jun 6, 10:06 PM EDT, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1006 PM EDT FRI JUN 06 2014

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

0735 PM     TSTM WND DMG     NNW SANDERSON           30.26N 82.27W
06/06/2014                   BAKER              FL   LAW ENFORCEMENT

            THE LAW ENFORCEMENT REPORTED A TOTAL OF 11 TREES DOWN
            ALONG COUNTY ROAD 229 AND ALSO NEAR KING STREET AND
            COUNTY ROAD 229. THE TIME GIVEN WAS BASED ON RADAR.

&&

PP
Special weather statement, Jun 6, 10:25 PM EDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1025 PM EDT FRI JUN 6 2014

GAZ149-150-163-070315-
ATKINSON-CLINCH-WARE-
1025 PM EDT FRI JUN 6 2014

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR WARE...ATKINSON
AND CLINCH COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 1115 PM EDT...

AT 1026 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS CENTERED 2 MILES SOUTHEAST OF COGDELL...MOVING
SOUTHEAST AT 20 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT
AREAS AROUND DU PONT...COGDELL...HOMERVILLE...ARGYLE AND MANOR
THROUGH 1115 PM EDT. HAIL UP TO THREE QUARTER INCH IN DIAMETER...
EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.

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

LAT...LON 3113 8297 3125 8270 3102 8235 3101 8236
      3101 8241 3097 8241 3096 8242 3087 8282
      3089 8297
TIME...MOT...LOC 0226Z 313DEG 17KT 3112 8269

PETERSON
Special weather statement, Jun 6, 11:16 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1116 PM EDT FRI JUN 6 2014

GAZ136-150-152>154-164-165-070400-
BRANTLEY-CHARLTON-COASTAL GLYNN-INLAND CAMDEN-INLAND
GLYNN-WARE-WAYNE-
1116 PM EDT FRI JUN 6 2014

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR WAYNE...WARE...
BRANTLEY...CHARLTON...CAMDEN AND GLYNN COUNTIES FOR STRONG WINDS AND
EXCESSIVE LIGHTNING VALID UNTIL MIDNIGHT EDT...

AT 1115 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 6 MILES
NORTHWEST OF BOYS ESTATE TO 11 MILES SOUTHWEST OF BRAGANZA...MOVING
SOUTHEAST AT 15 TO 20 MPH. THESE STRONG THUNDERSTORMS WILL ALSO
AFFECT AREAS AROUND FORT MUDGE...BRAGANZA...THALMANN...EVERETT...
MOUNT PLEASANT...WAYNESVILLE...RAYBON...NAHUNTA...HOBOKEN AND HICKOX
THROUGH MIDNIGHT EDT. FREQUENT CLOUD-TO-GROUND LIGHTNING AND GUSTY
WINDS 35 TO 45 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.
HEAVY RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS.

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

LAT...LON 3110 8157 3113 8156 3113 8157 3111 8160
      3108 8161 3079 8231 3111 8242 3128 8205
      3127 8201 3130 8200 3147 8162 3139 8156
      3134 8144 3130 8141 3130 8138 3121 8129
TIME...MOT...LOC 0315Z 324DEG 17KT 3135 8150 3097 8232

SHASHY
Special weather statement, Jun 6, 11:35 PM EDT, 49 minutes before
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Special weather statement, Jun 6, 11:51 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1151 PM EDT FRI JUN 6 2014

FLZ020-GAZ162-070430-
ECHOLS-HAMILTON-
1151 PM EDT FRI JUN 6 2014

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR ECHOLS AND
HAMILTON COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 1230 AM EDT...

AT 1151 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 2 MILES SOUTHEAST OF STATENVILLE...
MOVING SOUTHEAST AT 20 MPH. THIS STRONG THUNDERSTORM WILL AFFECT
AREAS AROUND STATENVILLE AND JASPER THROUGH 1230 AM EDT. HAIL UP TO
THREE QUARTER INCH IN DIAMETER...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 3075 8300 3062 8266 3060 8267 3060 8270
      3056 8273 3054 8271 3053 8273 3051 8273
      3037 8282 3064 8314
TIME...MOT...LOC 0351Z 312DEG 16KT 3067 8300

SHASHY
Local storm report, Jun 7, 12:10 AM EDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1210 AM EDT SAT JUN 07 2014

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

1116 PM     TSTM WND DMG     ARGYLE                  31.07N 82.65W
06/06/2014                   CLINCH             GA   911 CALL CENTER

            TREES BLOWN DOWN.

&&

LSTRUBLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 8:00 PM EDTAreal Flood AdvisoryJAXBaker2 hr
Jun 6, 8:20 PM EDTSpecial Weather StatementJAXBaker40 min
Jun 6, 9:27 PM EDTSpecial Weather StatementJAXBaker33 min
Jun 6, 9:32 PM EDTSpecial Marine WarningJAX118 min
Jun 6, 11:51 PM EDTSpecial Weather StatementJAXHamilton39 min
Jun 7, 12:16 AM EDTSevere Thunderstorm WarningJAXColumbia, Hamilton44 min
Jun 7, 12:28 AM EDTSpecial Weather StatementJAXBaker47 min
Jun 7, 12:47 AM EDTSevere Thunderstorm WarningJAXAlachua, Baker, Bradford, Columbia, Gilchrist, Suwannee and 1 more58 min
Jun 7, 1:15 AM EDTSpecial Weather StatementJAXClay, Duval60 min
Jun 7, 1:36 AM EDTSpecial Weather StatementJAXAlachua, Bradford, Clay, Gilchrist54 min
Jun 7, 2:27 AM EDTSpecial Weather StatementJAXFlagler, Marion, Putnam, Saint Johns63 min
Jun 7, 4:34 PM EDTSpecial Weather StatementJAXSuwannee26 min
Jun 7, 5:03 PM EDTSpecial Weather StatementJAXGilchrist42 min
Jun 7, 5:08 PM EDTSpecial Weather StatementJAXMarion52 min
Jun 7, 6:02 PM EDTSpecial Weather StatementJAXMarion43 min
Jun 7, 6:47 PM EDTSpecial Weather StatementJAXMarion43 min
Jun 7, 7:25 PM EDTSpecial Weather StatementJAXMarion50 min
Jun 6, 8:45 PM EDTSpecial Weather StatementJAXJeff Davis45 min
Jun 6, 9:40 PM EDTSpecial Weather StatementJAXAppling, Bacon50 min
Jun 6, 10:25 PM EDTSpecial Weather StatementJAXClinch, Ware50 min
Jun 6, 10:42 PM EDTSevere Thunderstorm WarningJAXCharlton, Clinch, Ware48 min
Jun 6, 11:16 PM EDTSpecial Weather StatementJAXBrantley, Glynn44 min
Jun 6, 11:35 PM EDTSpecial Weather StatementJAXClinch, Echols, Ware40 min

Nearby

Severe Thunderstorm Warnings in Florida, 2014Every severe thunderstorm warning in 2014

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.