Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

August 5, 2021Suwannee County, Florida

NWS Jacksonville, FL issued this special weather statement at Aug 5, 2021, 5:13 PM EDT for Suwannee County, Florida. It was in force for 62 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: Aug 5, 2021, 5:13 PM EDT (21:13 UTC)
Expired: Aug 5, 2021, 6:15 PM EDT
In force: 62 min
Issued by: NWS Jacksonville, FL
Hail: 0.00 in
Wind: 30

County Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 63 km from the middle of the area, began a volume at 21:14 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.2 hours before the alert went out and 109 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: 113 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 570 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

090 
WWUS82 KJAX 052113
SPSJAX

Special Weather Statement
National Weather Service Jacksonville FL
513 PM EDT Thu Aug 5 2021
 
FLZ020-021-GAZ162-052215-
Hamilton FL-Suwannee FL-Echols GA-
513 PM EDT Thu Aug 5 2021

...A gusty shower will impact portions of northwestern Suwannee,
northwestern Hamilton and southwestern Echols Counties through 615 PM
EDT...

At 512 PM EDT, Doppler radar was tracking a heavy showers over 
Luraville, or near Mayo, moving north at 15 mph.

HAZARD...Minor flooding due to heavy rainfall.

SOURCE...Radar indicated.

IMPACT...Minor flooding due to heavy rainfall is possible.

Locations impacted include...
Live Oak, Jasper, Jennings, Suwannee River State Park, Dowling Park,
Blue Springs, Crossroads, Luraville and Newburn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3062 8297 3002 8298 3011 8312 3010 8314
      3011 8316 3009 8319 3012 8323 3026 8325
      3031 8321 3035 8321 3035 8319 3038 8319
      3039 8317 3041 8318 3042 8322 3046 8322
      3047 8324 3062 8327 3063 8331
TIME...MOT...LOC 2112Z 197DEG 15KT 3013 8317 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH

$$

NELSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 8:31 PM EDT	Areal Flood Warning	JAX	Baker	3 hr
Aug 4, 9:28 PM EDT	Special Weather Statement	JAX	Duval	47 min
Aug 4, 10:14 PM EDT	Special Weather Statement	JAX	Baker	91 min
Aug 4, 10:56 PM EDT	Areal Flood Warning	JAX	Baker, Bradford, Union	3 hr
Aug 5, 6:50 AM EDT	Special Marine Warning	JAX		85 min
Aug 5, 8:15 AM EDT	Special Weather Statement	JAX	Union	90 min
Aug 5, 8:27 AM EDT	Areal Flood Warning	JAX	Columbia, Gilchrist, Suwannee	5 hr
Aug 5, 10:02 AM EDT	Flood Watch	JAX	Alachua, Baker, Bradford, Clay, Duval, Gilchrist and 3 more	40 hr
Aug 5, 10:59 AM EDT	River Flood Warning	JAX	Columbia, Hamilton, Suwannee	21 days
Aug 5, 10:59 AM EDT	River Flood Warning	JAX	Hamilton, Suwannee	21 days
Aug 5, 1:41 PM EDT	River Flood Warning	JAX	Clay	10 hr
Aug 5, 4:12 PM EDT	Special Weather Statement	JAX	Gilchrist	48 min
Aug 5, 4:53 PM EDT	Special Weather Statement	JAX	Columbia	37 min
Aug 5, 4:56 PM EDT	River Flood Warning	JAX	Alachua, Union	5 days
Aug 5, 5:20 PM EDT	Areal Flood Warning	JAX	Columbia, Gilchrist, Union	4 hr
Aug 5, 5:28 PM EDT	Areal Flood Warning	JAX	Columbia, Hamilton, Suwannee	2 hr
Aug 5, 6:05 PM EDT	Special Weather Statement	JAX	Duval	55 min
Aug 4, 8:11 PM EDT	Special Weather Statement	JAX	Charlton	64 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.