Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

June 25, 2021Columbia County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 25, 2021, 3:09 PM EDT for Columbia County, Florida. It was in force for 66 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 25, 2021, 3:09 PM EDT (19:09 UTC)
Expired: Jun 25, 2021, 4:15 PM EDT
In force: 66 min
Issued by: NWS Jacksonville, FL

County Columbia County, FL

The radar

The Moody AFB radar (KVAX), 106 km from the middle of the area, began a volume at 19:09 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, 7.2 hours before the alert went out and 116 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: 1255 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 34 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 Jun 25, 2:12 PM EDT, 57 minutes earlier.

Area forecast discussion, Jun 25, 2:12 PM EDT, 57 minutes before

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In the hours before

Special weather statement, Jun 25, 12:17 PM EDT, 2 hours 52 minutes before

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Local storm report, Jun 25, 1:20 PM EDT, 1 hour 49 minutes before

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Special weather statement, Jun 25, 1:50 PM EDT, 1 hour 19 minutes before

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Local storm report, Jun 25, 2:55 PM EDT, 14 minutes before

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Special weather statement, Jun 25, 3:07 PM EDT, 2 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
307 PM EDT Fri Jun 25 2021

FLZ030-031-251945-
Union FL-Bradford FL-
307 PM EDT Fri Jun 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BRADFORD AND
NORTHEASTERN UNION COUNTIES UNTIL 345 PM EDT...

* At 307 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Raiford, moving west at 5 mph.

* Minor flooding due to heavy rainfall is possible with this storm.

* Locations impacted include...
  Raiford, Lawtey and Ellerbee.

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 2999 8205 2995 8217 3012 8231 3014 8226
      3014 8214 3002 8205
TIME...MOT...LOC 1907Z 098DEG 5KT 3006 8215

ENYEDI

Special weather statement, Jun 25, 3:09 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
309 PM EDT Fri Jun 25 2021

FLZ021-035-222-252015-
Southern Columbia FL-Suwannee FL-Gilchrist FL-
309 PM EDT Fri Jun 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GILCHRIST...SOUTHERN
COLUMBIA AND SOUTHEASTERN SUWANNEE COUNTIES UNTIL 415 PM EDT...

* At 309 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from Lulu to
  10 miles south of Obrien. Movement was west at 10 mph.

* Minor flooding due to heavy rainfall is possible with these storms.

* Locations impacted include...
  Ichetucknee Spring, Columbia, Fort White, Lulu, Branford and
  Hildreth.

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 these storms, 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 3021 8246 3009 8249 3006 8253 3003 8253
      3001 8257 2998 8257 2996 8253 2994 8253
      2979 8292 2980 8293 2982 8293 2983 8289
      2988 8287 2990 8290 2989 8292 2995 8292
      2996 8293 2996 8295 2999 8296
TIME...MOT...LOC 1909Z 079DEG 8KT 3010 8251 2989 8295

ENYEDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 9:44 AM EDT	River Flood Warning	JAX	Columbia, Gilchrist	68 days
Jun 25, 10:07 AM EDT	Rip Current Statement	JAX	Duval, Flagler, Nassau	11 hr
Jun 25, 12:17 PM EDT	Special Weather Statement	JAX	Duval	58 min
Jun 25, 12:38 PM EDT	Areal Flood Warning	JAX	Duval	3 hr
Jun 25, 1:50 PM EDT	Special Weather Statement	JAX	Saint Johns	40 min
Jun 25, 2:20 PM EDT	Areal Flood Warning	JAX	Saint Johns	85 min
Jun 25, 2:58 PM EDT	Areal Flood Warning	JAX	Duval	92 min
Jun 25, 3:07 PM EDT	Special Weather Statement	JAX	Bradford	38 min
Jun 25, 3:14 PM EDT	Special Weather Statement	JAX	Marion	61 min
Jun 25, 3:38 PM EDT	Special Weather Statement	JAX	Putnam	52 min
Jun 25, 3:49 PM EDT	Special Weather Statement	JAX	Bradford	56 min
Jun 25, 3:57 PM EDT	Areal Flood Warning	JAX	Bradford	93 min
Jun 25, 4:05 PM EDT	Special Weather Statement	JAX	Alachua	40 min
Jun 25, 4:26 PM EDT	Special Weather Statement	JAX	Marion	64 min
Jun 25, 4:53 PM EDT	Special Weather Statement	JAX	Gilchrist	67 min
Jun 25, 5:31 PM EDT	Special Weather Statement	JAX	Gilchrist	44 min
Jun 25, 6:08 PM EDT	Areal Flood Warning	JAX	Gilchrist	2 hr

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.