Alert archive / Georgia / Special Weather Statements in 2019

Special Weather Statement, NWS Jacksonville, FL

January 24, 2019Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this special weather statement at Jan 24, 2019, 4:21 AM EST for Camden County, Glynn County, Georgia. 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
Jan 24, 2019, 4:21 AM EST (09:21 UTC)
Expired
Jan 24, 2019, 5:00 AM EST
In force
39 min
Issued by
NWS Jacksonville, FL

Counties Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 86 km from the middle of the area, began a volume at 09:23 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

Jacksonville, FL (KJAX), launched 00:00Z, 9.4 hours before the alert went out and 84 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 2019-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 00:00Z on 2019-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.19395878Sfc1 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
16 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
984 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jan 24, 1:50 AM EST, 2 hours 31 minutes earlier.

Area forecast discussion, Jan 24, 1:50 AM EST, 2 hours 31 minutes before
Area Forecast Discussion
National Weather Service Jacksonville FL
150 AM EST Thu Jan 24 2019

...MARGINAL RISK OF STRONG TO SEVERE STORMS ACROSS NE FL
EARLY THIS MORNING...

.SHORT TERM...Today and Tonight...Widespread rain and isolated
thunder will move across the area early this morning. Current
airmass shows strong vertical wind shear but only weak elevated
instability. Still a slim chance of a strong to severe storm to
occur over ne Fl until mid-morning as prefrontal trough and cold
front push east across the area into the Atlantic. An isolated
storm may be capable of damaging winds or even an isolated
tornado. Average rainfall amounts will be near one inch across se
Ga and ne Fl. High pressure will build in from the west in the
afternoon with decreasing clouds and gusty westerly winds.
Temperatures will be a little cooler today behind the front with
afternoon temperatures in the 60s to lower 70s. Tonight
temperatures will fall into the mid/upper 30s.

.Short Term.../Friday through Sunday/...High pressure will build
from the west Friday, then overhead for Saturday into Sunday.
Models continue to show a trough developing over South Florida
late in the weekend, with lows tracking northeast along it. The
models have been inconsistent in timing of the lows as well as
northern extent of the precipitation. At this point, will keep
much of the precipitation to the south this period. Cooler than
normal temperatures are expected through this period, with freezes
possible both Friday night and Saturday night.

.Long Term.../Sunday night through Wednesday/...Model disagreement
and inconsistency continues in the Sunday night to Monday
timeframe over handling of energy riding northeast along trough to
the South. At this point will again favor much of this activity
remaining to the south with high helping to suppress this area.

High pressure will move to the east Monday night into Tuesday, with a
cold front moving through late Tuesday into Tuesday night. High
pressure is expected to build from the west for Wednesday.

&&

.AVIATION...Widespread rain will affect the TAF sites in ne Fl/se
Ga until around 12-14z this morning when cold front pushes
offshore. Strong southerly winds will produce low level wind
shear ahead of front as winds increase to near 50 knots around
2000 feet. Expect MVFR conditions with possibility of IFR
conditions ahead of frontal passage. VFR conditions after 14z with
decreasing cloudiness and westerly winds.

&&

.MARINE...Strong cold front will sweep across the waters early
this morning accompanied by showers and a few storms with gusty
winds. SCA near shore with Gale warning offshore remain in effect
until at least late morning. Winds and seas will start to decrease
this afternoon with Advisory conditions expected to continue offshore.
High pressure will build in behind the front and be reinforced
this weekend. No headlines expected over the weekend.

Rip Currents: Moderate risk today. Low risk on Friday.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  61  35  53  29 /  40   0   0   0
SSI  66  37  53  34 / 100   0   0   0
JAX  69  37  56  35 /  90   0   0   0
SGJ  70  39  56  39 / 100   0   0   0
GNV  68  36  57  35 /  70   0   0   0
OCF  69  37  59  36 /  80   0   0   0

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...None.
GA...None.
AM...Gale Warning until 10 AM EST this morning for Waters from
     Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM-
     Waters from Fernandina Beach to St. Augustine FL from 20 to
     60 NM- Waters from St. Augustine to Flagler Beach FL from 20
     to 60 NM.

     Small Craft Advisory until 10 AM EST this morning for Coastal
     waters from Altamaha Sound to Fernandina Beach FL out 20 NM-
     Coastal waters from Fernandina Beach to St. Augustine FL
     out 20 NM-Coastal waters from St. Augustine to Flagler
     Beach FL out 20 NM.

&&

Zibura/23/Shashy

In the hours before

Special weather statement, Jan 24, 3:33 AM EST, 48 minutes before
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Special weather statement, Jan 24, 3:45 AM EST, 36 minutes before
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Special weather statement, Jan 24, 3:59 AM EST, 22 minutes before
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Special weather statement, Jan 24, 4:12 AM EST, 9 minutes before
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Special weather statement, Jan 24, 4:18 AM EST, 3 minutes before
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Special weather statement, Jan 24, 4:21 AM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 2:14 AM ESTSpecial Weather StatementJAXHamilton, Suwannee46 min
Jan 24, 2:33 AM ESTSpecial Weather StatementJAXColumbia42 min
Jan 24, 3:15 AM ESTSpecial Weather StatementJAXGilchrist, Union45 min
Jan 24, 3:20 AM ESTSpecial Weather StatementJAXBaker40 min
Jan 24, 3:33 AM ESTSpecial Weather StatementJAXBaker42 min
Jan 24, 3:59 AM ESTSpecial Weather StatementJAXNassau46 min
Jan 24, 4:09 AM ESTSpecial Marine WarningJAX2 hr
Jan 24, 4:12 AM ESTSpecial Weather StatementJAXBradford, Union48 min
Jan 24, 4:18 AM ESTSpecial Weather StatementJAXAlachua57 min
Jan 24, 4:25 AM ESTSpecial Weather StatementJAXNassau35 min
Jan 24, 4:35 AM ESTSpecial Weather StatementJAXMarion55 min
Jan 24, 4:41 AM ESTSpecial Weather StatementJAXDuval49 min
Jan 24, 4:53 AM ESTSpecial Weather StatementJAXClay, Saint Johns52 min
Jan 24, 5:09 AM ESTSpecial Weather StatementJAXFlagler, Marion, Putnam66 min
Jan 24, 5:14 AM ESTAreal Flood AdvisoryJAXClay, Duval, Saint Johns3 hr
Jan 24, 5:30 AM ESTSpecial Marine WarningJAX3 hr
Jan 24, 5:38 AM ESTSpecial Weather StatementJAXDuval52 min
Jan 24, 5:42 AM ESTSpecial Weather StatementJAXSaint Johns33 min
Jan 24, 5:53 AM ESTSevere Thunderstorm WarningJAXFlagler, Saint Johns22 min
Jan 24, 5:57 AM ESTTornado WarningJAXFlagler, Saint Johns11 min
Jan 24, 6:25 AM ESTSpecial Marine WarningJAX2 hr
Jan 24, 6:54 AM ESTSpecial Marine WarningJAX23 min
Jan 24, 8:27 AM ESTRiver Flood WarningJAXAlachua, Union36 hr
Jan 24, 8:27 AM ESTRiver Flood WarningJAXAlachua, Columbia15 days
Jan 24, 8:28 AM ESTRiver Flood WarningJAXColumbia, Gilchrist21 days
Jan 24, 9:59 AM ESTSmall Craft AdvisoryJAX9 hr
Jan 24, 3:45 AM ESTSpecial Weather StatementJAXBrantley45 min
Jan 24, 10:45 AM ESTRiver Flood WarningJAXJeff Davis, Montgomery, Toombs13 days

Nearby

Special Weather Statements in Georgia, 2019Every special weather statement in 2019

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.