Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

June 5, 2021Marion County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 5, 2021, 4:21 PM EDT for Marion 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
Jun 5, 2021, 4:21 PM EDT (20:21 UTC)
Expired
Jun 5, 2021, 5:00 PM EDT
In force
39 min
Issued by
NWS Jacksonville, FL

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 149 km from the middle of the area, began a volume at 20:25 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, 8.4 hours before the alert went out and 151 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 2021-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 938 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 12:00Z on 2021-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
938 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
636 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

455 
WWUS82 KJAX 052021
SPSJAX

Special Weather Statement
National Weather Service Jacksonville FL
421 PM EDT Sat Jun 5 2021
 
FLZ140-240-052100-
Central Marion FL-Eastern Marion FL-
421 PM EDT Sat Jun 5 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MARION COUNTY UNTIL 500
PM EDT...

* At 421 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Ocala, moving north at 15 mph.

* Winds in excess of 45 mph and minor flooding due to heavy rainfall
  is possible with this storm.

* Locations impacted include...
  Ocala, Fort McCoy, Sparr, Santos, Anthony, Silver Springs Shores,
  Belleview and Burbank.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

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

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

LAT...LON 2904 8198 2904 8213 2937 8218 2938 8189
TIME...MOT...LOC 2021Z 177DEG 12KT 2920 8206 

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 3:18 AM EDTRip Current StatementJAXDuval, Flagler, Nassau49 hr
Jun 5, 2:25 PM EDTSpecial Weather StatementJAXNassau35 min
Jun 5, 3:00 PM EDTSpecial Weather StatementJAXDuval30 min
Jun 5, 3:34 PM EDTSpecial Weather StatementJAXDuval41 min
Jun 5, 3:57 PM EDTSpecial Weather StatementJAXDuval33 min
Jun 5, 4:36 PM EDTSpecial Weather StatementJAXClay39 min
Jun 5, 5:05 PM EDTSpecial Weather StatementJAXBaker25 min
Jun 5, 5:26 PM EDTSpecial Weather StatementJAXBaker49 min
Jun 5, 5:31 PM EDTSpecial Weather StatementJAXSaint Johns29 min
Jun 5, 5:44 PM EDTSpecial Weather StatementJAXPutnam31 min
Jun 5, 6:24 PM EDTSpecial Weather StatementJAXPutnam36 min
Jun 5, 6:55 PM EDTSpecial Weather StatementJAXPutnam35 min
Jun 4, 9:37 PM EDTSpecial Weather StatementJAXLong38 min
Jun 4, 10:15 PM EDTSpecial Weather StatementJAXLong30 min
Jun 5, 2:58 PM EDTSpecial Weather StatementJAXCamden32 min
Jun 5, 3:54 PM EDTSpecial Weather StatementJAXCamden36 min
Jun 5, 4:10 PM EDTSpecial Weather StatementJAXGlynn35 min
Jun 5, 4:23 PM EDTSpecial Weather StatementJAXWayne37 min
Jun 5, 4:32 PM EDTSpecial Weather StatementJAXGlynn28 min

Nearby

Special Weather Statements in Florida, 2021Every special weather statement in 2021

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.