Alert archive / Maryland / Flash Flood Warnings in 2005

Flash Flood Warning 6, NWS Wakefield, VA

July 15, 2005Worcester County, Maryland

NWS Wakefield, VA issued this flash flood warning at Jul 15, 2005, 12:21 PM EDT for Worcester 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 counties it named.

The facts

Issued: Jul 15, 2005, 12:21 PM EDT (16:21 UTC)
Expired: Jul 15, 2005, 1:15 PM EDT
In force: 54 min
Issued by: NWS Wakefield, VA
Area: Counties, with a storm outline in the text

County Worcester County, MD

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 16:21 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 4.4 hours before the alert went out and 200 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: 325 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 60 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 flash flood warning 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 flash flood warning went out at Jul 14, 3:06 PM EDT, 21 hours 15 minutes earlier.

Area forecast discussion, Jul 14, 3:06 PM EDT, 21 hours 15 minutes before

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Nearby

Flash Flood Warnings in Maryland, 2005 Every flash flood warning in 2005

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.