Alert archive / Florida / Special Weather Statements in 2009

Special Weather Statement, NWS Jacksonville, FL

June 18, 2009Alachua County, Bradford County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 18, 2009, 11:32 PM EDT for Alachua County, Bradford County, Florida. It was in force for 43 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
Jun 18, 2009, 11:32 PM EDT (03:32 UTC)
Expired
Jun 19, 2009, 12:15 AM EDT
In force
43 min
Issued by
NWS Jacksonville, FL

Counties Alachua County, FL, Bradford County, FL

The radar

The Jacksonville radar (KJAX), 81 km from the middle of the area, began a volume at 03:31 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

Jacksonville, FL (KJAX), launched 00:00Z, 3.5 hours before the alert went out and 83 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 00:00Z on 2009-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1973 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2009-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.193958Sfc1 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
1973 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1130 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
120 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.

000 
WWUS82 KJAX 190332
SPSJAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1132 PM EDT THU JUN 18 2009

FLZ031-036-190415-
ALACHUA-BRADFORD-
1132 PM EDT THU JUN 18 2009

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR CENTRAL ALACHUA
AND BRADFORD COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 1215 AM EDT...

AT 1132 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 4 MILES SOUTHWEST OF LAWTEY...OR 9 MILES
SOUTHEAST OF RAIFORD...MOVING SOUTHWEST AT 20 MPH. THIS STRONG
THUNDERSTORM WILL ALSO AFFECT AREAS AROUND LAWTEY...STARKE...NEW
RIVER...SAMPSON...HAMPTON...WALDO...ORANGE HEIGHTS...NEWNANS LAKE...
GAINESVILLE AIRPORT AND GAINESVILLE THROUGH 1215 AM EDT. HAIL UP TO
ONE HALF 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FRIDAY MORNING FOR NORTHERN FLORIDA AND SOUTHEAST GEORGIA.

LAT...LON 2966 8240 3000 8226 3004 8223 3008 8217
      3009 8217 3011 8215 3005 8205 2964 8205
      2960 8207
TIME...MOT...LOC 0332Z 023DEG 17KT 3000 8210

$$

DEESE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 8:08 PM EDTSpecial Weather StatementJAXHamilton52 min
Jun 18, 9:00 PM EDTSpecial Weather StatementJAXHamilton, Suwannee45 min
Jun 18, 9:04 PM EDTSpecial Marine WarningJAX116 min
Jun 18, 9:06 PM EDTSevere Thunderstorm WarningJAXHamilton, Suwannee39 min
Jun 18, 9:11 PM EDTAreal Flood AdvisoryJAXHamilton, Suwannee2 hr
Jun 18, 10:34 PM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Hamilton, Suwannee56 min
Jun 18, 10:50 PM EDTSevere Thunderstorm WarningJAXDuval, Nassau55 min
Jun 18, 11:04 PM EDTSevere Thunderstorm WarningJAXNassau32 min
Jun 18, 11:11 PM EDTSpecial Weather StatementJAXColumbia, Gilchrist, Suwannee49 min
Jun 18, 11:28 PM EDTSpecial Weather StatementJAXNassau47 min
Jun 18, 11:47 PM EDTSpecial Weather StatementJAXClay43 min
Jun 19, 1:29 PM EDTHeat AdvisoryJAXBaker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more55 hr
Jun 18, 8:06 PM EDTSpecial Weather StatementJAXAtkinson24 min
Jun 18, 8:11 PM EDTSevere Thunderstorm WarningJAXClinch, Echols49 min
Jun 18, 8:19 PM EDTSevere Thunderstorm WarningJAXAppling, Jeff Davis, Wayne41 min
Jun 18, 8:46 PM EDTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis, Wayne44 min
Jun 18, 8:57 PM EDTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Coffee, Pierce, Ware48 min
Jun 18, 9:08 PM EDTSpecial Weather StatementJAXCoffee52 min
Jun 18, 9:14 PM EDTSevere Thunderstorm WarningJAXBrantley, Pierce, Wayne22 min
Jun 18, 9:19 PM EDTSevere Thunderstorm WarningJAXGlynn56 min
Jun 18, 9:37 PM EDTSevere Thunderstorm WarningJAXAtkinson, Clinch, Coffee, Pierce, Ware25 min
Jun 18, 9:53 PM EDTSpecial Weather StatementJAXWare67 min
Jun 18, 9:57 PM EDTSevere Thunderstorm WarningJAXCamden63 min
Jun 18, 10:00 PM EDTSevere Thunderstorm WarningJAXAtkinson, Brantley, Charlton, Clinch, Echols, Pierce and 1 more45 min

Nearby

Special Weather Statements in Florida, 2009Every special weather statement in 2009

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.