Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

July 2, 2021Flagler County, Saint Johns County, Florida

NWS Jacksonville, FL issued this special weather statement at Jul 2, 2021, 2:16 PM EDT for Flagler County, Saint Johns County, Florida. It was in force for 44 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: Jul 2, 2021, 2:16 PM EDT (18:16 UTC)
Expired: Jul 2, 2021, 3:00 PM EDT
In force: 44 min
Issued by: NWS Jacksonville, FL

Counties Flagler County, FL, Saint Johns County, FL

The radar

The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 18:20 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, 6.3 hours before the alert went out and 121 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 612 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 593 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 71 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 Jul 2, 1:12 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Jul 2, 1:12 PM EDT, 1 hour 4 minutes before

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In the hours before

Special weather statement, Jul 2, 8:16 AM EDT, 6 hours before

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Special weather statement, Jul 2, 2:16 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
216 PM EDT Fri Jul 2 2021

FLZ033-038-133-137-138-021900-
Coastal Flagler FL-Coastal St. Johns FL-Inland Flagler FL-
Eastern Putnam FL-Inland St. Johns FL-
216 PM EDT Fri Jul 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR FLAGLER...SOUTHEASTERN ST. JOHNS
AND SOUTHEASTERN PUTNAM COUNTIES UNTIL 300 PM EDT...

* At 215 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from near
  World Golf Village to Pierson. Movement was east at 25 mph.

* Winds in excess of 45 mph possible with these storms.

* Locations impacted include...
  Palm Coast, Saint Augustine, Flagler Beach, Bunnell, Hastings,
  Andalusia, Saint Augustine Beach, Marineland, Vilano Beach and
  Crescent Beach.

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.

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 2946 8110 2946 8112 2943 8110 2941 8115
      2926 8115 2926 8141 2940 8142 2938 8145
      2937 8150 2994 8154 2995 8124 2952 8110
TIME...MOT...LOC 1815Z 279DEG 20KT 2992 8147 2925 8144

BOOTHE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 2:19 PM EDT	Special Marine Warning	JAX		86 min
Jul 2, 3:35 PM EDT	Special Marine Warning	JAX		45 min
Jul 2, 6:02 PM EDT	Special Weather Statement	JAX	Ware	43 min
Jul 2, 6:30 PM EDT	Special Weather Statement	JAX	Ware	45 min
Jul 2, 6:54 PM EDT	Areal Flood Warning	JAX	Clinch, Ware	3 hr
Jul 2, 7:09 PM EDT	Special Weather Statement	JAX	Clinch, Ware	51 min
Jul 2, 7:26 PM EDT	Special Weather Statement	JAX	Charlton	49 min
Jul 2, 7:56 PM EDT	Special Weather Statement	JAX	Charlton	34 min

Nearby

Special Weather Statements in Florida, 2021 Every 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.