Alert archive / Virginia / Coastal Flood Statements in 2011

Coastal Flood Statement 10, NWS Wakefield, VA

September 30, 20116 counties in Virginia; Dorchester County, Somerset County, Wicomico County, Maryland

NWS Wakefield, VA issued this coastal flood statement at Sep 30, 2011, 11:24 AM EDT for 6 counties in Virginia; Dorchester County, Somerset County, Wicomico County, Maryland. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Sep 30, 2011, 11:24 AM EDT (15:24 UTC)
Expired: Sep 30, 2011, 8:00 PM EDT
In force: 9 hr
Issued by: NWS Wakefield, VA

Counties Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Gloucester County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, Northumberland County, VA, Westmoreland County, VA

The radar

The Norfolk radar (KAKQ), 119 km from the middle of the area, began a volume at 15:28 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 12:00Z, 3.4 hours before the alert went out and 78 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: 1560 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood 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 coastal flood statement went out at Sep 29, 6:44 PM EDT, 16 hours 40 minutes earlier.

Area forecast discussion, Sep 29, 6:44 PM EDT, 16 hours 40 minutes before

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Hazardous weather outlook, Sep 29, 4:40 PM EDT, 18 hours 44 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 30, 3:37 AM EDT	Small Craft Advisory	AKQ		68 hr
Sep 30, 4:46 PM EDT	Special Weather Statement	AKQ	Northumberland	59 min
Sep 30, 4:55 PM EDT	Special Weather Statement	AKQ	King and Queen	65 min
Sep 30, 5:31 PM EDT	Special Weather Statement	AKQ	Surry	44 min
Sep 30, 5:33 PM EDT	Special Weather Statement	AKQ	Lancaster, Middlesex	57 min
Sep 30, 6:21 PM EDT	Special Weather Statement	AKQ	York, City of Hampton, City of Newport News, City of Poquoson	54 min
Sep 30, 6:34 PM EDT	Special Marine Warning	AKQ		86 min
Sep 30, 7:31 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, City of Franklin, City of Newport News, City of Suffolk	59 min
Sep 30, 7:37 PM EDT	Special Weather Statement	AKQ	Northampton	53 min
Sep 30, 7:58 PM EDT	Special Marine Warning	AKQ		92 min

Nearby

Coastal Flood Statements in Virginia, 2011 Coastal Flood Statements in Maryland, 2011 Every coastal flood 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.