Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Jacksonville, FL

May 22, 2012Saint Johns County, Florida

NWS Jacksonville, FL issued this special weather statement at May 22, 2012, 3:00 PM EDT for Saint Johns County, Florida. It was in force for 30 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 22, 2012, 3:00 PM EDT (19:00 UTC)
Expired
May 22, 2012, 3:30 PM EDT
In force
30 min
Issued by
NWS Jacksonville, FL

County Saint Johns County, FL

The radar

The Jacksonville radar (KJAX), 49 km from the middle of the area, began a volume at 19:00 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 12:00Z, 7.0 hours before the alert went out and 51 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 2012-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 398 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 2012-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
398 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1333 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
6 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 22, 10:25 AM EDT, 4 hours 35 minutes earlier.

Area forecast discussion, May 22, 10:25 AM EDT, 4 hours 35 minutes before
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Hazardous weather outlook, May 22, 1:05 PM EDT, 1 hour 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
105 PM EDT TUE MAY 22 2012

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-230700-
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-
105 PM EDT TUE MAY 22 2012

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

...SLIGHT RISK FOR STRONG TO SEVERE STORMS ACROSS PORTIONS OF THE
FORECAST AREA...

...MODERATE RISK OF RIP CURRENTS...

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

A FRONTAL BOUNDARY WILL MOVE TOWARD THE AREA TODAY AND COMBINED
WITH AN APPROACHING UPPER LEVEL DISTURBANCE WILL PRODUCE SCATTERED
THUNDERSTORM ACTIVITY BY MID AFTERNOON THROUGH THIS EVENING.
MOST OF THE ACTIVITY WILL BE FOCUSED OVER SOUTHEAST GEORGIA
AND THE EASTERN ZONES BY LATE THIS AFTERNOON AND EVENING. ISOLATED
STRONG TO POSSIBLY SEVERE STORMS WILL BE CAPABLE OF PRODUCING
STRONG WIND GUSTS AND LARGE HAIL.

MARINE INTERESTS OPERATING IN THE COASTAL WATERS AND INTRACOASTAL
WATERWAYS...BE AWARE OF THE RISK OF GUSTY WINDS AND ROUGH SEAS WITH
STORMS MOVING FROM WEST TO EAST INTO THE WATERS...AND BE PREPARED
TO SEEK SAFE HARBOR IF WEATHER BECOMES THREATENING.

WITH CONTINUED EASTERLY SWELL...A MODERATE RISK OF RIP CURRENTS
WILL PREVAIL TODAY AT LOCAL BEACHES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

A MODERATE RISK OF RIP CURRENTS IS EXPECTED ON WEDNESDAY DUE TO
CONTINUED EASTERLY SWELLS.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY. PLEASE RELAY
ANY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AND
LOCAL COUNTY EMERGENCY MANAGEMENT.

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, May 22, 1:16 PM EDT, 1 hour 44 minutes before
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Special weather statement, May 22, 2:14 PM EDT, 46 minutes before
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Special weather statement, May 22, 2:37 PM EDT, 23 minutes before
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Special weather statement, May 22, 2:45 PM EDT, 15 minutes before
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Special weather statement, May 22, 3:00 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 1:16 PM EDTSpecial Weather StatementJAXPutnam29 min
May 22, 2:37 PM EDTSpecial Weather StatementJAXSaint Johns23 min
May 22, 4:13 PM EDTSpecial Weather StatementJAXColumbia32 min
May 22, 4:22 PM EDTSpecial Weather StatementJAXSuwannee23 min
May 22, 4:35 PM EDTSpecial Weather StatementJAXClay25 min
May 22, 4:49 PM EDTSevere Thunderstorm WarningJAXClay26 min
May 22, 4:58 PM EDTSpecial Weather StatementJAXUnion32 min
May 22, 5:31 PM EDTSpecial Weather StatementJAXBradford29 min
May 22, 5:49 PM EDTSpecial Weather StatementJAXClay26 min
May 22, 6:18 PM EDTSpecial Weather StatementJAXMarion42 min
May 22, 6:28 PM EDTSpecial Marine WarningJAX62 min
May 22, 6:29 PM EDTSpecial Weather StatementJAXClay46 min
May 22, 6:43 PM EDTAreal Flood AdvisoryJAXClay92 min
May 22, 6:55 PM EDTSpecial Weather StatementJAXClay35 min
May 22, 6:58 PM EDTAreal Flood AdvisoryJAXNassau92 min
May 22, 7:10 PM EDTSpecial Weather StatementJAXFlagler50 min
May 22, 7:25 PM EDTSpecial Marine WarningJAX95 min
May 22, 7:27 PM EDTSpecial Marine WarningJAX33 min
May 22, 7:32 PM EDTSevere Thunderstorm WarningJAXFlagler43 min
May 22, 7:39 PM EDTSpecial Weather StatementJAXClay51 min
May 22, 7:53 PM EDTSevere Thunderstorm WarningJAXFlagler, Saint Johns37 min
May 22, 7:59 PM EDTSpecial Marine WarningJAX61 min
May 22, 2:14 PM EDTSpecial Weather StatementJAXJeff Davis31 min
May 22, 2:45 PM EDTSpecial Weather StatementJAXAppling30 min
May 22, 3:02 PM EDTSpecial Weather StatementJAXGlynn43 min
May 22, 5:53 PM EDTSpecial Weather StatementJAXCharlton52 min
May 22, 6:23 PM EDTSpecial Weather StatementJAXCamden52 min
May 22, 7:04 PM EDTSpecial Weather StatementJAXClinch41 min
May 22, 7:21 PM EDTSevere Thunderstorm WarningJAXAtkinson, Clinch, Coffee54 min
May 22, 7:37 PM EDTSpecial Weather StatementJAXClinch38 min

Nearby

Special Weather Statements in Florida, 2012Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.