Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Jacksonville, FL

May 11, 2014Alachua County, Florida

NWS Jacksonville, FL issued this special weather statement at May 11, 2014, 2:21 PM EDT for Alachua County, Florida. 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 outline as issued.

The facts

Issued
May 11, 2014, 2:21 PM EDT (18:21 UTC)
Expired
May 11, 2014, 3:00 PM EDT
In force
39 min
Issued by
NWS Jacksonville, FL

County Alachua County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.4 hours before the alert went out and 109 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, Jacksonville, FL at 12:00Z on 2014-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 572 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jacksonville, FL at 12:00Z on 2014-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
572 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
35 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.

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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 Jacksonville, FL wrote its last area forecast discussion before this special weather statement went out at May 11, 9:47 AM EDT, 4 hours 34 minutes earlier.

Area forecast discussion, May 11, 9:47 AM EDT, 4 hours 34 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, May 11, 12:57 PM EDT, 1 hour 24 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1257 PM EDT SUN MAY 11 2014

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-121000-
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-
1257 PM EDT SUN MAY 11 2014

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

...ISOLATED STRONG STORMS POSSIBLE INLAND THIS AFTERNOON...

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

SCATTERED THUNDERSTORMS ARE EXPECTED OVER INLAND AREAS TODAY WITH
MORE ISOLATED STORMS NEAR THE COAST. MOST OF THE STORMS WILL
DISSIPATE BY LATE THIS EVENING. STORM MOTION WILL GENERALLY BE NORTH
TO NORTHEAST AROUND 10 MPH. AN ISOLATED STRONG STORM IS POSSIBLE
WITH GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING.

RIVER FLOODING ON THE SANTA FE AND SUWANNEE RIVER BASINS WILL
CONTINUE TO SLOWLY SUBSIDE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

RIVER FLOODING WILL CONTINUE TO SUBSIDE ON THE SANTA FE AND
SUWANNEE RIVER BASINS.

ISOLATED THUNDERSTORMS ARE POSSIBLE WEDNESDAY THROUGH THURSDAY
NIGHT.

.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.

PLW/ARS

In the hours before

Special weather statement, May 11, 1:52 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
152 PM EDT SUN MAY 11 2014

FLZ022-023-030-111830-
BAKER-COLUMBIA-UNION-
152 PM EDT SUN MAY 11 2014

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR BAKER...
COLUMBIA AND UNION COUNTIES FOR STRONG WINDS...SMALL HAIL AND
EXCESSIVE LIGHTNING VALID UNTIL 230 PM EDT...

AT 152 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 2 MILES SOUTHEAST OF OLUSTEE...MOVING
NORTHEAST AT 20 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT
AREAS AROUND PALESTINE COMMUNITY...LULU...OLUSTEE...LAKE BUTLER...
JOHNSTOWN...ELLERBEE...SANDERSON...TAYLOR...MACCLENNY AND GLEN SAINT
MARY THROUGH 230 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 3049 8229 3043 8221 3039 8220 3036 8217
      3036 8212 3031 8205 3023 8205 3000 8232
      3014 8259
TIME...MOT...LOC 1752Z 225DEG 20KT 3018 8240

STRUBLE
Special weather statement, May 11, 2:21 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
221 PM EDT SUN MAY 11 2014

FLZ022-036-111900-
ALACHUA-COLUMBIA-
221 PM EDT SUN MAY 11 2014

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR ALACHUA AND
COLUMBIA COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 300 PM EDT...

AT 221 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 6 MILES SOUTHWEST OF ALACHUA...MOVING NORTH AT
5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND
NEWBERRY...ALACHUA...OLENO STATE PARK...LA CROSSE AND HIGH SPRINGS
THROUGH 300 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 2992 8270 2994 8248 2993 8248 2993 8244
      2992 8241 2989 8240 2989 8239 2959 8238
      2963 8265 2968 8266 2983 8266 2983 8269
TIME...MOT...LOC 1821Z 173DEG 5KT 2974 8256

STRUBLE

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 1:52 PM EDTSpecial Weather StatementJAXBaker, Union38 min
May 11, 2:24 PM EDTSpecial Weather StatementJAXColumbia51 min
May 11, 2:51 PM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Union39 min
May 11, 3:22 PM EDTSpecial Weather StatementJAXBradford, Clay38 min
May 11, 3:33 PM EDTSpecial Weather StatementJAXAlachua42 min
May 11, 3:42 PM EDTSevere Thunderstorm WarningJAXNassau48 min
May 11, 3:49 PM EDTAreal Flood AdvisoryJAXAlachua116 min
May 11, 3:56 PM EDTSpecial Weather StatementJAXSuwannee49 min
May 11, 4:00 PM EDTAreal Flood AdvisoryJAXClay90 min
May 11, 4:16 PM EDTSpecial Weather StatementJAXNassau44 min
May 11, 4:18 PM EDTSpecial Weather StatementJAXDuval42 min
May 11, 4:21 PM EDTSevere Thunderstorm WarningJAXDuval, Nassau39 min
May 11, 4:23 PM EDTSevere Thunderstorm WarningJAXClay, Duval, Saint Johns52 min
May 11, 4:33 PM EDTSpecial Weather StatementJAXGilchrist42 min
May 11, 4:41 PM EDTSpecial Weather StatementJAXPutnam49 min
May 11, 4:45 PM EDTSevere Thunderstorm WarningJAXNassau45 min
May 11, 4:47 PM EDTAreal Flood AdvisoryJAXClay, Duval, Saint Johns88 min
May 11, 4:54 PM EDTAreal Flood AdvisoryJAXClay2 hr
May 11, 4:55 PM EDTSevere Thunderstorm WarningJAXAlachua, Bradford, Clay, Putnam50 min
May 11, 5:06 PM EDTSpecial Weather StatementJAXClay39 min
May 11, 5:09 PM EDTSevere Thunderstorm WarningJAXClay, Duval, Saint Johns51 min
May 11, 5:13 PM EDTAreal Flood AdvisoryJAXColumbia, Union92 min
May 11, 5:19 PM EDTSpecial Weather StatementJAXDuval, Nassau41 min
May 11, 5:28 PM EDTSpecial Weather StatementJAXMarion47 min
May 11, 5:34 PM EDTSevere Thunderstorm WarningJAXClay, Putnam, Saint Johns41 min
May 11, 5:37 PM EDTAreal Flood AdvisoryJAXClay83 min
May 11, 5:45 PM EDTAreal Flood AdvisoryJAXDuval2 hr
May 11, 5:45 PM EDTSevere Thunderstorm WarningJAXMarion45 min
May 11, 6:14 PM EDTSpecial Weather StatementJAXFlagler46 min
May 11, 6:23 PM EDTSpecial Weather StatementJAXMarion52 min
May 11, 7:04 PM EDTSpecial Weather StatementJAXMarion41 min
May 11, 3:31 PM EDTSpecial Weather StatementJAXCharlton44 min
May 11, 4:31 PM EDTSpecial Weather StatementJAXCharlton44 min
May 11, 5:23 PM EDTSevere Thunderstorm WarningJAXCamden52 min

Nearby

Special Weather Statements in Florida, 2014Every special weather statement 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.