Alert archive / Maryland / Special Weather Statements in 2012

Special Weather Statement, NWS Wakefield, VA

September 3, 2012Somerset County, Maryland

NWS Wakefield, VA issued this special weather statement at Sep 3, 2012, 12:21 PM EDT for Somerset County, Maryland. It was in force for 54 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: Sep 3, 2012, 12:21 PM EDT (16:21 UTC)
Expired: Sep 3, 2012, 1:15 PM EDT
In force: 54 min
Issued by: NWS Wakefield, VA

County Somerset County, MD

The radar

The Dover AFB radar (KDOX), 90 km from the middle of the area, began a volume at 16:24 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, 4.4 hours before the alert went out and 39 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: 1340 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 85 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.

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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 Sep 3, 10:25 AM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Sep 3, 10:25 AM EDT, 1 hour 56 minutes before

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Hazardous weather outlook, Sep 3, 4:51 AM EDT, 7 hours 30 minutes before

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In the hours before

Special weather statement, Sep 3, 9:12 AM EDT, 3 hours 9 minutes before

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Special weather statement, Sep 3, 12:21 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
Sep 2, 10:16 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	59 min
Sep 3, 7:48 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg, Prince Edward	57 min
Sep 3, 9:12 AM EDT	Special Weather Statement	AKQ	Chowan	63 min
Sep 2, 10:09 PM EDT	Special Weather Statement	AKQ	Dorchester, Somerset	66 min
Sep 3, 1:09 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico, Worcester	66 min

Nearby

Special Weather Statements in Maryland, 2012 Every special weather statement in 2012

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.