Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Wakefield, VA

August 19, 2011City of Franklin, City of Suffolk, Virginia

NWS Wakefield, VA issued this special weather statement at Aug 19, 2011, 8:48 PM EDT for City of Franklin, City of Suffolk, Virginia. It was in force for 57 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 19, 2011, 8:48 PM EDT (00:48 UTC)
Expired: Aug 19, 2011, 9:45 PM EDT
In force: 57 min
Issued by: NWS Wakefield, VA

Counties City of Franklin, VA, City of Suffolk, VA

The radar

The Norfolk radar (KAKQ), 35 km from the middle of the area, began a volume at 00:49 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.8 hours before the alert went out and 183 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: 964 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 815 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: -35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

019 
WWUS81 KAKQ 200048
SPSAKQ

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
848 PM EDT FRI AUG 19 2011

VAZ092-093-096-200145-
ISLE OF WIGHT VA-SOUTHAMPTON VA-SUFFOLK VA-
848 PM EDT FRI AUG 19 2011

...STRONG THUNDERSTORM MOVING ACROSS FRANKLIN...SUFFOLK AND THE 
DISMAL SWAMP THROUGH 10 PM...

AT 843 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER COURTLAND...MOVING EAST AT 20 MPH. THE
STRONG THUNDERSTORMS WILL BE NEAR STORY AT 855 PM EDT...HUNTERDALE AT
900 PM EDT...FRANKLIN AT 905 PM EDT...LEES MILL AT 915 PM 
EDT...ELWOOD AT 925 PM EDT...AND THE DISMAL SWAMP AND SUFFOLK BY 10 
PM.

WIND GUSTS TO 40 MPH ARE EXPECTED WITH THESE STORMS. ALSO EXPECT 
FREQUENT CLOUD TO GROUND LIGHTNING IN THE PATH OF THESE STORMS. 

LAT...LON 3679 7657 3656 7668 3663 7712 3680 7707

$$

JO

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 8:25 PM EDT	Special Weather Statement	AKQ	Southampton	35 min
Aug 19, 8:57 PM EDT	Special Weather Statement	AKQ	Hanover	33 min
Aug 19, 9:30 PM EDT	Special Weather Statement	AKQ	Essex, King and Queen, King William	45 min
Aug 19, 9:36 PM EDT	Special Weather Statement	AKQ	City of Suffolk	54 min
Aug 19, 10:10 PM EDT	Special Weather Statement	AKQ	Essex, King and Queen, New Kent, Richmond	35 min
Aug 19, 11:31 PM EDT	Special Weather Statement	AKQ	Gloucester, Mathews, York	44 min

Nearby

Special Weather Statements in Virginia, 2011 Every special weather statement in 2011

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.