Alert archive / Maryland / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 4, NWS Baltimore/Washington

January 14, 2006Saint Mary's County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jan 14, 2006, 2:31 AM EST for Saint Mary's County, Maryland. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 14, 2006, 2:31 AM EST (07:31 UTC)
Expired: Jan 14, 2006, 3:15 AM EST
In force: 44 min
Issued by: NWS Baltimore/Washington
Area: Counties, with a storm outline in the text

County Saint Mary's County, MD

The radar

The Dover AFB radar (KDOX), 116 km from the middle of the area, began a volume at 07:33 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, 7.5 hours before the alert went out and 104 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: 23 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 718 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 170 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 13, 8:57 PM EST, 5 hours 34 minutes earlier.

Area forecast discussion, Jan 13, 8:57 PM EST, 5 hours 34 minutes before

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Hazardous weather outlook, Jan 13, 9:35 PM EST, 4 hours 56 minutes before

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In the hours before

Special weather statement, Jan 13, 9:36 PM EST, 4 hours 55 minutes before

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Local storm report, Jan 14, 1:28 AM EST, 1 hour 3 minutes before

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Local storm report, Jan 14, 1:38 AM EST, 53 minutes before

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Local storm report, Jan 14, 2:15 AM EST, 16 minutes before

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Local storm report, Jan 14, 2:29 AM EST, 2 minutes before

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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 13, 9:35 PM EST	Wind Advisory	LWX	Arlington, Clarke, Culpeper, Fairfax, Frederick, Greene and 20 more	19 hr
Jan 14, 12:32 AM EST	Severe Thunderstorm Warning	LWX	Orange	43 min
Jan 14, 12:52 AM EST	Severe Thunderstorm Warning	LWX	Culpeper	38 min
Jan 14, 12:56 AM EST	Special Marine Warning	LWX		2 hr
Jan 14, 1:05 AM EST	Severe Thunderstorm Warning	LWX	Fauquier	25 min
Jan 14, 1:54 AM EST	Special Marine Warning	LWX		2 hr
Jan 14, 3:45 AM EST	Snow Advisory	LWX		27 hr
Jan 14, 4:28 PM EST	High Wind Warning	LWX	Arlington, Clarke, Culpeper, Fairfax, Frederick, Greene and 20 more	15 hr
Jan 14, 4:28 PM EST	Wind Advisory	LWX	Arlington, Clarke, Culpeper, Fairfax, Frederick, Greene and 20 more	22 hr

Nearby

Severe Thunderstorm Warnings in Maryland, 2006 Every severe thunderstorm warning in 2006

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.