Alert archive / Virginia / Special Weather Statements in 2018

Special Weather Statement, NWS Wakefield, VA

July 16, 2018Fluvanna County, Virginia

NWS Wakefield, VA issued this special weather statement at Jul 16, 2018, 4:21 PM EDT for Fluvanna County, Virginia. 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: Jul 16, 2018, 4:21 PM EDT (20:21 UTC)
Expired: Jul 16, 2018, 5:00 PM EDT
In force: 39 min
Issued by: NWS Wakefield, VA

County Fluvanna County, VA

The radar

The Sterling radar (KLWX), 119 km from the middle of the area, began a volume at 20:22 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

Roanoke, VA (KRNK), launched 12:00Z, 8.4 hours before the alert went out and 149 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: 180 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 1149 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 12 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 Wakefield, VA wrote its last area forecast discussion before this special weather statement went out at Jul 16, 3:36 PM EDT, 45 minutes earlier.

Area forecast discussion, Jul 16, 3:36 PM EDT, 45 minutes before

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Hazardous weather outlook, Jul 16, 3:12 PM EDT, 1 hour 9 minutes before

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In the hours before

Special weather statement, Jul 16, 4:21 PM EDT, 0 minutes before

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The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 16, 4:42 PM EDT	Special Weather Statement	AKQ	Mecklenburg	48 min
Jul 16, 5:06 PM EDT	Special Weather Statement	AKQ	Louisa	39 min
Jul 16, 5:16 PM EDT	Special Weather Statement	AKQ	Fluvanna	44 min
Jul 16, 5:30 PM EDT	Special Weather Statement	AKQ	Goochland	30 min
Jul 16, 5:40 PM EDT	Special Weather Statement	AKQ	Brunswick	50 min
Jul 16, 5:54 PM EDT	Special Weather Statement	AKQ	Louisa	36 min
Jul 16, 6:15 PM EDT	Special Weather Statement	AKQ	Hanover	15 min
Jul 16, 6:45 PM EDT	Special Weather Statement	AKQ	Caroline	45 min
Jul 16, 7:07 PM EDT	Special Weather Statement	AKQ	Caroline	38 min
Jul 16, 7:46 PM EDT	Special Weather Statement	AKQ	Chesterfield, Henrico	44 min
Jul 16, 7:50 PM EDT	Special Weather Statement	AKQ	Westmoreland	40 min
Jul 16, 12:32 AM EDT	Coastal Flood Statement	AKQ	Dorchester	4 hr

Nearby

Special Weather Statements in Virginia, 2018 Every special weather statement in 2018

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.