Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Jacksonville, FL

June 1, 2018Marion County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 1, 2018, 4:12 PM EDT for Marion County, Florida. It was in force for 48 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 1, 2018, 4:12 PM EDT (20:12 UTC)
Expired: Jun 1, 2018, 5:00 PM EDT
In force: 48 min
Issued by: NWS Jacksonville, FL

County Marion County, FL

The radar

The Tampa radar (KTBW), 151 km from the middle of the area, began a volume at 20:14 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 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 Jun 1, 9:46 AM EDT, 6 hours 26 minutes earlier.

Area forecast discussion, Jun 1, 9:46 AM EDT, 6 hours 26 minutes before

Area Forecast Discussion
National Weather Service Jacksonville FL
946 AM EDT Fri Jun 1 2018

...HOT WITH AFTERNOON TSTORMS...

.UPDATE...

Synopsis...Bermuda high pressure over the western Atlantic
extended a mean layer 1000-500 mb ridge axis across south Florida,
while weak mean layer trough was pushing downstream of the local
forecast area this morning. A stronger mean layer trough axis was
digging southward across TN/AL/MS early this morning, and this
feature will bring unsettled weather to the local area this
weekend. Another important feature was an upper level cut-off low
rotating across south GA this morning. Upper level
destabilization with this feature is expected to impact the local
area today, in concert with sea breezes, diurnal instability and a
couple of diffuse outflow boundaries/surface troughs settling
southward across local area which will all bring yet another
round of scattered to numerous afternoon showers and storms.

A shallow convective outflow boundary was settling southward
across our southern GA this hour noted on JAX radar with a
thinning cumulus line, with another noted between GNV and SGJ
settling southward. These features will serve as a focus for
convection with diurnal heating over our inland zones by midday
as convective temps in the mid 80s are realized. Along the coasts,
both sea breezes will develop and press inland under fairly weak
westerly steering flow of 5-10 kts, triggering additional
convective growth, likely a bit more delayed on the east coast due
to lingering clouds associated with departing mid level trough.
Plenty of moisture available with PWATs 1.92" and slow steering
motion to once again support locally heavy rainfall with K index
at 35 per 12Z JAX RAOB. Very high surface based instability and
precip loading also support downburst potential in strong
afternoon and evening tstorms. Convective will focus generally
between the Highway 301 corridor and I-95 corridor this afternoon
and early evening across NE FL, as well as across inland SE GA
where forcing under the upper level low and diurnal heating will
coincide.

Morning low stratus was gradually lifting and breaking apart
across north-central Florida as temps warmed. Expect partly
cloudy skies with above normal daytime temperatures rising above
climo values into the low 90s inland to upper 80s coast.

&&

.AVIATION...

IFR cigs nearing SGJ expected to lift to MVFR then VFR
by afternoon. Elsewhere prevailing VFR today with tempo
restrictions in afternoon and early evening storms.

&&

.MARINE...

WSW winds this morning 10 kts or less will back to SSE near shore
this afternoon with the Atlantic coast sea breeze and increase to
10-15 kts. Combined seas will range between 2-4 ft. Early evening
convection will drift offshore with gradual dissipation.

Rip Currents: Low risk today through weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  91  73  91  73 /  30  20  60  20
SSI  88  76  89  76 /  30  10  30  40
JAX  92  73  93  73 /  50  20  30  30
SGJ  88  72  90  73 /  50  20  20  10
GNV  89  71  90  73 /  40  20  20  20
OCF  89  71  90  72 /  40  20  20  20

&&

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

Enyedi/Shashy

In the hours before

Special weather statement, Jun 1, 3:29 PM EDT, 43 minutes before

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Special weather statement, Jun 1, 3:52 PM EDT, 20 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
352 PM EDT FRI JUN 1 2018

FLZ033-133-012030-
Coastal St. Johns FL-Inland St. Johns FL-
352 PM EDT FRI JUN 1 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ST. JOHNS COUNTY
UNTIL 430 PM EDT...

At 352 PM EDT, Doppler radar was tracking a strong thunderstorm over
Saint Augustine South, or near Saint Augustine, moving southeast at
10 mph.

Nickel size hail and wind gusts of 45 to 55 mph can be expected along
with possible minor damage.

Locations impacted include...
Saint Augustine, Saint Augustine Beach, Crescent Beach, Saint
Augustine Shores, Butler Beach, Saint Augustine South, Vilano Beach,
Anastasia, Dupont Center and Elkton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 2966 8123 2966 8125 2967 8126 2965 8128
      2965 8131 2980 8147 2994 8134 2989 8122
      2972 8117
TIME...MOT...LOC 1952Z 308DEG 7KT 2983 8135

HESS

Special weather statement, Jun 1, 4:02 PM EDT, 10 minutes before

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Special weather statement, Jun 1, 4:05 PM EDT, 7 minutes before

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Special weather statement, Jun 1, 4:07 PM EDT, 5 minutes before

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Special weather statement, Jun 1, 4:12 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 8:02 PM EDT	Special Weather Statement	JAX	Duval	43 min
May 31, 8:57 PM EDT	Areal Flood Advisory	JAX	Duval	63 min
May 31, 9:57 PM EDT	Areal Flood Advisory	JAX	Baker	2 hr
Jun 1, 3:29 PM EDT	Special Weather Statement	JAX	Saint Johns	46 min
Jun 1, 3:30 PM EDT	Special Marine Warning	JAX		90 min
Jun 1, 3:46 PM EDT	Areal Flood Advisory	JAX	Saint Johns	89 min
Jun 1, 3:52 PM EDT	Special Weather Statement	JAX	Saint Johns	38 min
Jun 1, 3:56 PM EDT	Areal Flood Advisory	JAX	Duval, Saint Johns	94 min
Jun 1, 3:58 PM EDT	Special Marine Warning	JAX		62 min
Jun 1, 4:02 PM EDT	Special Weather Statement	JAX	Duval	43 min
Jun 1, 4:05 PM EDT	Special Weather Statement	JAX	Duval	40 min
Jun 1, 4:09 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Saint Johns	22 min
Jun 1, 4:26 PM EDT	Special Weather Statement	JAX	Flagler	49 min
Jun 1, 4:35 PM EDT	Areal Flood Advisory	JAX	Duval	85 min
Jun 1, 4:40 PM EDT	Areal Flood Warning	JAX	Duval, Saint Johns	95 min
Jun 1, 4:42 PM EDT	Special Weather Statement	JAX	Duval	33 min
Jun 1, 5:11 PM EDT	Special Weather Statement	JAX	Flagler	34 min
Jun 1, 5:12 PM EDT	Special Marine Warning	JAX		33 min
Jun 1, 5:15 PM EDT	Special Weather Statement	JAX	Nassau	45 min
Jun 1, 5:22 PM EDT	Special Weather Statement	JAX	Nassau	38 min
Jun 1, 5:28 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	14 min
Jun 1, 5:33 PM EDT	Areal Flood Advisory	JAX	Duval, Nassau	87 min
Jun 1, 5:37 PM EDT	Special Marine Warning	JAX		53 min
Jun 1, 5:48 PM EDT	Areal Flood Advisory	JAX	Flagler	87 min
Jun 1, 5:52 PM EDT	Areal Flood Advisory	JAX	Duval, Nassau	83 min
Jun 1, 5:59 PM EDT	Special Weather Statement	JAX	Nassau	46 min
Jun 1, 6:44 PM EDT	Special Weather Statement	JAX	Duval	31 min
Jun 1, 6:57 PM EDT	Special Weather Statement	JAX	Putnam	48 min
Jun 1, 7:29 PM EDT	Areal Flood Advisory	JAX	Putnam	91 min
Jun 1, 7:38 PM EDT	Areal Flood Advisory	JAX	Nassau	97 min
May 31, 8:18 PM EDT	Areal Flood Advisory	JAX	Brantley	117 min
Jun 1, 4:07 PM EDT	Special Weather Statement	JAX	Wayne	23 min
Jun 1, 5:17 PM EDT	Special Weather Statement	JAX	Camden	43 min
Jun 1, 6:01 PM EDT	Special Weather Statement	JAX	Camden	44 min
Jun 1, 6:32 PM EDT	Special Weather Statement	JAX	Brantley	43 min
Jun 1, 6:46 PM EDT	Special Weather Statement	JAX	Camden	29 min
Jun 1, 6:49 PM EDT	Special Weather Statement	JAX	Ware	41 min
Jun 1, 7:03 PM EDT	Special Weather Statement	JAX	Brantley	42 min
Jun 1, 7:06 PM EDT	Special Weather Statement	JAX	Appling	39 min
Jun 1, 7:14 PM EDT	Special Weather Statement	JAX	Pierce	46 min
Jun 1, 7:31 PM EDT	Areal Flood Advisory	JAX	Ware	89 min
Jun 1, 7:34 PM EDT	Special Weather Statement	JAX	Appling	41 min
Jun 1, 7:40 PM EDT	Areal Flood Advisory	JAX	Appling	95 min
Jun 1, 7:51 PM EDT	Special Weather Statement	JAX	Appling	24 min
Jun 1, 7:59 PM EDT	Special Weather Statement	JAX	Pierce	46 min

Nearby

Special Weather Statements in Florida, 2018 Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.