Alert archive / Virginia / Flash Flood Warnings in 2023

Flash Flood Warning 29, NWS Wakefield, VA

July 9, 2023City of Hampton, City of Newport News, Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 9, 2023, 4:28 PM EDT for City of Hampton, City of Newport News, Virginia. It was in force for 56 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 9, 2023, 4:28 PM EDT (20:28 UTC)
Expired: Jul 9, 2023, 5:24 PM EDT
In force: 56 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Flood severity: None

Counties City of Hampton, VA, City of Newport News, VA

The radar

The Norfolk radar (KAKQ), 53 km from the middle of the area, began a volume at 20:28 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, 8.5 hours before the alert went out and 132 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: 1082 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 603 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 9, 3:52 PM EDT, 36 minutes earlier.

Area forecast discussion, Jul 9, 3:52 PM EDT, 36 minutes before

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Hazardous weather outlook, Jul 9, 1:22 PM EDT, 3 hours 6 minutes before

Hazardous Weather Outlook
National Weather Service Wakefield VA
122 PM EDT Sun Jul 9 2023

MDZ021>025-NCZ012>017-030>032-102-VAZ064-075>078-080>090-092-093-
095>100-511>525-101730-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck-
Bertie-Chowan-Perquimans-Eastern Currituck-Caroline-Westmoreland-
Richmond-Northumberland-Lancaster-Dinwiddie-Prince George-
Charles City-New Kent-Gloucester-Middlesex-Mathews-Greensville-
Sussex-Surry-James City-Southampton-Isle of Wight-Norfolk/Portsmouth-
Suffolk-Chesapeake-Virginia Beach-Accomack-Western Hanover-
Eastern Hanover-Western Chesterfield-
Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Eastern King William-Western King and Queen-
Eastern King and Queen-Western Essex-Eastern Essex-York-Newport News-
Hampton/Poquoson-
122 PM EDT Sun Jul 9 2023

...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 467 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for southeast Maryland, northeast
North Carolina, central Virginia, east central Virginia, eastern
Virginia, north central Virginia, south central Virginia and
southeast Virginia.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

VAZ048-060>062-065>069-079-509-510-101730-
Fluvanna-Prince Edward-Cumberland-Goochland-Mecklenburg-Lunenburg-
Nottoway-Amelia-Powhatan-Brunswick-Western Louisa-Eastern Louisa-
122 PM EDT Sun Jul 9 2023

...SEVERE THUNDERSTORM WATCH 466 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for central Virginia and south
central Virginia.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, Jul 9, 3:57 PM EDT, 31 minutes before

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Special weather statement, Jul 9, 4:01 PM EDT, 27 minutes before

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Special weather statement, Jul 9, 4:07 PM EDT, 21 minutes before

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Special weather statement, Jul 9, 4:15 PM EDT, 13 minutes before

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Local storm report, Jul 9, 4:21 PM EDT, 7 minutes before

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Local storm report, Jul 9, 4:28 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
Jul 9, 3:29 AM EDT	Flood Watch	AKQ	Accomack, Caroline, Charles City, Chesterfield, Dinwiddie, Essex and 32 more	18 hr
Jul 9, 5:45 AM EDT	Special Marine Warning	AKQ		60 min
Jul 9, 12:37 PM EDT	Special Weather Statement	AKQ	Cumberland, Fluvanna, Lunenburg, Mecklenburg, Prince Edward	68 min
Jul 9, 1:25 PM EDT	Severe Thunderstorm Warning	AKQ	Mecklenburg	50 min
Jul 9, 1:37 PM EDT	Special Weather Statement	AKQ	Amelia, Caroline, Goochland, Hanover, Louisa, Powhatan and 1 more	53 min
Jul 9, 1:39 PM EDT	Flash Flood Warning	AKQ	Fluvanna	112 min
Jul 9, 2:14 PM EDT	Flash Flood Warning	AKQ	Mecklenburg	86 min
Jul 9, 2:14 PM EDT	Severe Thunderstorm Warning	AKQ	Mecklenburg	46 min
Jul 9, 2:29 PM EDT	Special Weather Statement	AKQ	Amelia, Caroline, Chesterfield, Goochland, Hanover, Louisa and 2 more	46 min
Jul 9, 2:32 PM EDT	Special Weather Statement	AKQ	Nottoway	43 min
Jul 9, 2:58 PM EDT	Special Weather Statement	AKQ	Brunswick	47 min
Jul 9, 3:03 PM EDT	Special Weather Statement	AKQ	Caroline, Hanover, City of Richmond	42 min
Jul 9, 3:04 PM EDT	Special Marine Warning	AKQ		56 min
Jul 9, 3:07 PM EDT	Flash Flood Warning	AKQ	Nottoway	69 min
Jul 9, 3:08 PM EDT	Flash Flood Warning	AKQ	Westmoreland	3 hr
Jul 9, 3:20 PM EDT	Special Weather Statement	AKQ	Northumberland	40 min
Jul 9, 3:29 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Goochland, Henrico, Powhatan	80 min
Jul 9, 3:34 PM EDT	Special Marine Warning	AKQ		56 min
Jul 9, 3:39 PM EDT	Special Weather Statement	AKQ	Westmoreland	51 min
Jul 9, 3:52 PM EDT	Flash Flood Warning Considerable damage threat	AKQ	Westmoreland	2 hr
Jul 9, 3:57 PM EDT	Special Weather Statement	AKQ	Northampton	63 min
Jul 9, 3:59 PM EDT	Severe Thunderstorm Warning	AKQ	City of Virginia Beach	31 min
Jul 9, 4:01 PM EDT	Special Marine Warning	AKQ		59 min
Jul 9, 4:01 PM EDT	Special Marine Warning	AKQ		44 min
Jul 9, 4:01 PM EDT	Special Weather Statement	AKQ	Northumberland	44 min
Jul 9, 4:07 PM EDT	Special Weather Statement	AKQ	City of Hampton, City of Poquoson	38 min
Jul 9, 4:26 PM EDT	Areal Flood Advisory	AKQ	City of Virginia Beach	64 min
Jul 9, 4:29 PM EDT	Special Marine Warning	AKQ		61 min
Jul 9, 4:40 PM EDT	Flash Flood Warning	AKQ	City of Chesapeake, City of Virginia Beach	4 hr
Jul 9, 5:02 PM EDT	Special Marine Warning	AKQ		58 min
Jul 9, 5:08 PM EDT	Special Marine Warning	AKQ		67 min
Jul 9, 5:10 PM EDT	Special Marine Warning	AKQ		65 min
Jul 9, 5:16 PM EDT	Special Marine Warning	AKQ		74 min
Jul 9, 5:52 PM EDT	Special Weather Statement	AKQ	Accomack	38 min
Jul 9, 6:01 PM EDT	Special Weather Statement	AKQ	Gloucester	44 min
Jul 9, 6:16 PM EDT	Special Marine Warning	AKQ		89 min
Jul 9, 6:24 PM EDT	Areal Flood Advisory	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach	2 hr
Jul 9, 7:02 PM EDT	Special Weather Statement	AKQ	Northampton	43 min
Jul 8, 8:18 PM EDT	Special Weather Statement	AKQ	Northampton	72 min
Jul 9, 4:15 PM EDT	Special Weather Statement	AKQ	Pasquotank, Perquimans	30 min
Jul 9, 4:40 PM EDT	Special Weather Statement	AKQ	Camden, Currituck	65 min
Jul 9, 4:56 PM EDT	Special Weather Statement	AKQ	Camden, Currituck	64 min
Jul 9, 6:42 PM EDT	Special Weather Statement	AKQ	Worcester	48 min

Nearby

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; radar from the NEXRAD Level II archive.