Alert archive / Maryland / Flash Flood Warnings in 2023

Flash Flood Warning 41, NWS Wakefield, VA

July 16, 2023Accomack County, Virginia; Somerset County, Wicomico County, Worcester County, Maryland

NWS Wakefield, VA issued this flash flood warning at Jul 16, 2023, 3:31 PM EDT for Accomack County, Virginia; Somerset County, Wicomico County, Worcester County, Maryland. It was in force for 2 hr. 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 16, 2023, 3:31 PM EDT (19:31 UTC)
Expired: Jul 16, 2023, 5:32 PM EDT
In force: 2 hr
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Flood severity: None

Counties Somerset County, MD, Wicomico County, MD, Worcester County, MD, Accomack County, VA

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.5 hours before the alert went out and 29 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: 1072 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.5

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 16, 3:20 PM EDT, 11 minutes earlier.

Area forecast discussion, Jul 16, 3:20 PM EDT, 11 minutes before

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Hazardous weather outlook, Jul 16, 2:04 PM EDT, 1 hour 27 minutes before

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In the hours before

Local storm report, Jul 16, 2:02 PM EDT, 1 hour 29 minutes before

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Local storm report, Jul 16, 2:04 PM EDT, 1 hour 27 minutes before

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Special weather statement, Jul 16, 2:09 PM EDT, 1 hour 22 minutes before

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Local storm report, Jul 16, 2:11 PM EDT, 1 hour 20 minutes before

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Local storm report, Jul 16, 2:48 PM EDT, 43 minutes before

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Special weather statement, Jul 16, 3:02 PM EDT, 29 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
Jul 15, 10:50 PM EDT	Areal Flood Warning	AKQ	Fluvanna, Louisa	6 hr
Jul 15, 11:26 PM EDT	Small Craft Advisory	AKQ		5 hr
Jul 16, 6:26 AM EDT	Flood Watch	AKQ	Accomack, Caroline, Charles City, Chesterfield, Essex, Gloucester and 22 more	11 hr
Jul 16, 8:12 AM EDT	Special Marine Warning	AKQ		63 min
Jul 16, 9:00 AM EDT	Areal Flood Advisory	AKQ	Hanover, Louisa	25 min
Jul 16, 9:25 AM EDT	Flash Flood Warning	AKQ	Hanover, Louisa	3 hr
Jul 16, 10:01 AM EDT	Areal Flood Advisory	AKQ	Caroline	41 min
Jul 16, 10:42 AM EDT	Flash Flood Warning	AKQ	Caroline	2 hr
Jul 16, 10:53 AM EDT	Areal Flood Advisory	AKQ	Amelia, Powhatan	3 hr
Jul 16, 10:59 AM EDT	Special Weather Statement	AKQ	City of Hopewell	31 min
Jul 16, 11:29 AM EDT	Special Weather Statement	AKQ	Henrico	31 min
Jul 16, 11:40 AM EDT	Special Weather Statement	AKQ	City of Petersburg	35 min
Jul 16, 11:41 AM EDT	Flash Flood Warning	AKQ	Chesterfield, Henrico, City of Richmond	3 hr
Jul 16, 11:48 AM EDT	Flash Flood Warning	AKQ	Caroline, Essex, King and Queen, Westmoreland	3 hr
Jul 16, 12:25 PM EDT	River Flood Warning	AKQ	Chesterfield, Henrico, City of Richmond	28 hr
Jul 16, 12:25 PM EDT	River Flood Warning	AKQ	Henrico, City of Richmond	39 hr
Jul 16, 12:30 PM EDT	Flash Flood Warning	AKQ	Essex, Richmond, Westmoreland	3 hr
Jul 16, 12:45 PM EDT	Special Weather Statement	AKQ	Charles City	30 min
Jul 16, 12:47 PM EDT	Areal Flood Advisory	AKQ	Charles City, Chesterfield, Henrico, James City, King William, New Kent and 1 more	118 min
Jul 16, 12:52 PM EDT	Flash Flood Warning	AKQ	Essex, Lancaster, Northumberland, Richmond, Westmoreland	3 hr
Jul 16, 1:17 PM EDT	Special Marine Warning	AKQ		58 min
Jul 16, 1:19 PM EDT	Areal Flood Advisory	AKQ	Gloucester, James City, King and Queen, King William, Middlesex, New Kent and 1 more	16 min
Jul 16, 1:19 PM EDT	Special Weather Statement	AKQ	Northampton	41 min
Jul 16, 1:35 PM EDT	Flash Flood Warning	AKQ	Gloucester, James City, King and Queen, King William, Middlesex, New Kent and 1 more	2 hr
Jul 16, 1:39 PM EDT	Flash Flood Warning	AKQ	Gloucester, James City, York, City of Williamsburg	78 min
Jul 16, 2:01 PM EDT	Special Marine Warning	AKQ		59 min
Jul 16, 2:09 PM EDT	Special Weather Statement	AKQ	Accomack	51 min
Jul 16, 2:35 PM EDT	Special Marine Warning	AKQ		55 min
Jul 16, 2:57 PM EDT	Special Marine Warning	AKQ		63 min
Jul 16, 3:28 PM EDT	Special Marine Warning	AKQ		38 min
Jul 16, 12:37 PM EDT	Areal Flood Advisory	AKQ	Dorchester, Wicomico	25 min
Jul 16, 1:02 PM EDT	Flash Flood Warning	AKQ	Dorchester, Wicomico	4 hr
Jul 16, 2:47 PM EDT	Areal Flood Advisory	AKQ	Somerset, Wicomico, Worcester	3 hr
Jul 16, 3:02 PM EDT	Special Weather Statement	AKQ	Somerset	43 min

Nearby

Flash Flood Warnings in Maryland, 2023 Flash Flood Warnings in Virginia, 2023 Every flash flood warning in 2023

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.