Alert archive / Virginia / Flash Flood Warnings in 2023

Flash Flood Warning 11, NWS Wakefield, VA

June 23, 2023City of Norfolk, City of Portsmouth, Virginia

NWS Wakefield, VA issued this flash flood warning at Jun 23, 2023, 2:35 PM EDT for City of Norfolk, City of Portsmouth, Virginia. It was in force for 3 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
Jun 23, 2023, 2:35 PM EDT (18:35 UTC)
Expired
Jun 23, 2023, 5:45 PM EDT
In force
3 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties City of Norfolk, VA, City of Portsmouth, VA

The radar

The Norfolk radar (KAKQ), 66 km from the middle of the area, began a volume at 18:39 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, 6.6 hours before the alert went out and 142 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-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2023-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 350 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2023-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
350 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

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 Jun 22, 3:20 PM EDT, 23 hours 15 minutes earlier.

Area forecast discussion, Jun 22, 3:20 PM EDT, 23 hours 15 minutes before
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Hazardous weather outlook, Jun 22, 3:37 PM EDT, 22 hours 58 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 12:42 AM EDTCoastal Flood StatementAKQNorthumberland, Westmoreland10 hr
Jun 23, 2:53 AM EDTSpecial Marine WarningAKQ45 min
Jun 23, 3:21 AM EDTSpecial Marine WarningAKQ39 min
Jun 23, 4:46 AM EDTSpecial Marine WarningAKQ44 min
Jun 23, 7:03 AM EDTSpecial Marine WarningAKQ42 min
Jun 23, 7:39 AM EDTSpecial Marine WarningAKQ51 min
Jun 23, 10:07 AM EDTSpecial Marine WarningAKQ53 min
Jun 23, 10:08 AM EDTSpecial Weather StatementAKQCity of Virginia Beach37 min
Jun 23, 10:31 AM EDTSpecial Marine WarningAKQ59 min
Jun 23, 10:32 AM EDTSevere Thunderstorm WarningAKQCity of Virginia Beach28 min
Jun 23, 11:21 AM EDTSpecial Marine WarningAKQ54 min
Jun 23, 12:00 PM EDTSpecial Weather StatementAKQYork, City of Newport News, City of Poquoson30 min
Jun 23, 12:37 PM EDTAreal Flood AdvisoryAKQCity of Hampton, City of Newport News, City of Poquoson2 hr
Jun 23, 12:52 PM EDTSpecial Weather StatementAKQCity of Hampton, City of Norfolk, City of Portsmouth8 min
Jun 23, 1:03 PM EDTAreal Flood AdvisoryAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk3 hr
Jun 23, 1:20 PM EDTSpecial Marine WarningAKQ55 min
Jun 23, 1:25 PM EDTSpecial Weather StatementAKQChesterfield, Hanover, Henrico, City of Colonial Heights, City of Richmond50 min
Jun 23, 1:49 PM EDTAreal Flood AdvisoryAKQChesterfield, Henrico, City of Colonial Heights, City of Richmond116 min
Jun 23, 2:26 PM EDTAreal Flood AdvisoryAKQEssex, King and Queen, King William, Richmond2 hr
Jun 23, 2:29 PM EDTAreal Flood AdvisoryAKQCity of Chesapeake, City of Norfolk, City of Virginia Beach3 hr
Jun 23, 2:36 PM EDTFlash Flood WarningAKQChesterfield, Henrico, City of Richmond114 min
Jun 23, 2:59 PM EDTSpecial Weather StatementAKQJames City46 min
Jun 23, 3:25 PM EDTSpecial Weather StatementAKQGloucester, James City, City of Williamsburg50 min
Jun 23, 3:32 PM EDTSpecial Marine WarningAKQ43 min
Jun 23, 4:10 PM EDTSpecial Weather StatementAKQGloucester, Mathews50 min
Jun 23, 4:18 PM EDTSpecial Weather StatementAKQCity of Hampton, City of Poquoson42 min
Jun 23, 4:23 PM EDTSpecial Marine WarningAKQ52 min
Jun 23, 4:53 PM EDTAreal Flood AdvisoryAKQCity of Hampton, City of Newport News, City of Poquoson3 hr
Jun 23, 5:04 PM EDTSpecial Weather StatementAKQMecklenburg26 min
Jun 23, 5:34 PM EDTSpecial Weather StatementAKQMecklenburg41 min
Jun 23, 5:37 PM EDTAreal Flood AdvisoryAKQMecklenburg3 hr
Jun 23, 5:45 PM EDTAreal Flood AdvisoryAKQGloucester, James City, York, City of Newport News2 hr
Jun 23, 5:51 PM EDTAreal Flood AdvisoryAKQPrince George, City of Hopewell, City of Petersburg114 min
Jun 23, 6:37 PM EDTAreal Flood AdvisoryAKQDinwiddie, Prince George, City of Petersburg113 min
Jun 22, 10:16 PM EDTCoastal Flood AdvisoryAKQCamden, Chowan, Currituck, Pasquotank, Perquimans13 hr
Jun 23, 10:17 AM EDTSpecial Weather StatementAKQCurrituck43 min

Nearby

Flash Flood Warnings in Virginia, 2023Every 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; radar from the NEXRAD Level II archive.