Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

March 30, 2021Gilchrist County, Florida

NWS Jacksonville, FL issued this special weather statement at Mar 30, 2021, 2:07 AM EDT for Gilchrist County, Florida. It was in force for 38 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: Mar 30, 2021, 2:07 AM EDT (06:07 UTC)
Expired: Mar 30, 2021, 2:45 AM EDT
In force: 38 min
Issued by: NWS Jacksonville, FL

County Gilchrist County, FL

The radar

The Moody AFB radar (KVAX), 106 km from the middle of the area, began a volume at 06:10 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, 6.1 hours before the alert went out and 129 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 870 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

327 
WWUS82 KJAX 300607
SPSJAX

Special Weather Statement
National Weather Service Jacksonville FL
207 AM EDT Tue Mar 30 2021
 
FLZ021-035-222-300645-
Southern Columbia FL-Suwannee FL-Gilchrist FL-
207 AM EDT Tue Mar 30 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL GILCHRIST...
SOUTHWESTERN COLUMBIA AND SOUTHEASTERN SUWANNEE COUNTIES UNTIL 245 AM
EDT...

* At 207 AM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 9 miles south of Obrien, or 11 miles
  northwest of Bell, moving northeast at 20 mph.

* Small hail possible with this storm.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3007 8280 2999 8273 2991 8270 2986 8288
      2989 8288 2988 8289 2990 8290 2989 8291
      2989 8292 2990 8291 2992 8293 2995 8292
      2996 8293 2996 8295 2999 8296
TIME...MOT...LOC 0607Z 244DEG 15KT 2990 8295 

$$

SHASHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 5:08 AM EDT	Special Weather Statement	JAX	Bradford	37 min
Mar 30, 5:28 AM EDT	Special Weather Statement	JAX	Bradford, Clay, Union	47 min
Mar 30, 5:57 AM EDT	Special Weather Statement	JAX	Bradford, Clay	48 min
Mar 30, 6:37 AM EDT	Special Weather Statement	JAX	Bradford, Clay	53 min
Mar 30, 6:43 AM EDT	Special Weather Statement	JAX	Gilchrist	47 min
Mar 30, 7:33 AM EDT	Special Weather Statement	JAX	Bradford, Gilchrist, Union	57 min
Mar 30, 8:02 AM EDT	Areal Flood Warning	JAX	Bradford	3 hr
Mar 30, 8:51 AM EDT	Flash Flood Warning	JAX	Bradford	76 min
Mar 30, 10:52 AM EDT	Special Weather Statement	JAX	Suwannee	38 min
Mar 30, 5:27 PM EDT	Special Weather Statement	JAX	Gilchrist	48 min
Mar 30, 5:53 PM EDT	Special Weather Statement	JAX	Marion	52 min
Mar 30, 6:00 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Marion	45 min
Mar 30, 6:16 PM EDT	Areal Flood Warning	JAX	Marion	119 min
Mar 30, 6:39 PM EDT	Special Weather Statement	JAX	Marion	51 min
Mar 30, 6:45 PM EDT	Severe Thunderstorm Warning	JAX	Marion	16 min
Mar 30, 6:52 PM EDT	Special Weather Statement	JAX	Alachua	38 min
Mar 30, 7:01 PM EDT	Areal Flood Warning	JAX	Alachua	89 min
Mar 30, 7:27 PM EDT	Areal Flood Warning	JAX	Alachua	93 min
Mar 30, 7:29 PM EDT	Special Weather Statement	JAX	Alachua	46 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.