Alert archive / Virginia / Flash Flood Warnings in 2019

Flash Flood Warning 18, NWS Wakefield, VA

September 6, 20194 counties in Virginia; Currituck County, North Carolina

NWS Wakefield, VA issued this flash flood warning at Sep 6, 2019, 9:29 AM EDT for 4 counties in Virginia; Currituck County, North Carolina. It was in force for 6 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
Sep 6, 2019, 9:29 AM EDT (13:29 UTC)
Expired
Sep 6, 2019, 3:30 PM EDT
In force
6 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties Currituck County, NC, City of Chesapeake, VA, City of Norfolk, VA, City of Portsmouth, VA, City of Virginia Beach, VA

The radar

The Norfolk radar (KAKQ), 81 km from the middle of the area, began a volume at 13:33 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 12:00Z, 1.5 hours before the alert went out and 152 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 2019-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 469 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 2019-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.19395878Sfc1 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
469 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
58 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 Sep 6, 6:24 AM EDT, 3 hours 5 minutes earlier.

Area forecast discussion, Sep 6, 6:24 AM EDT, 3 hours 5 minutes before
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Hazardous weather outlook, Sep 6, 7:37 AM EDT, 1 hour 52 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
737 AM EDT Fri Sep 6 2019

NCZ015>017-031-032-102-071145-
Pasquotank-Camden-Western Currituck-Chowan-Perquimans-
Eastern Currituck-
737 AM EDT Fri Sep 6 2019

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
...HURRICANE WARNING IN EFFECT...

This Hazardous Weather Outlook is for northeast North Carolina.

.DAY ONE...Today and tonight.

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

   Flash Flood Watch.
   Hurricane Warning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Hurricane Warning.

.SPOTTER INFORMATION STATEMENT...

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

NCZ012>014-030-VAZ092-093-095>098-524-525-071145-
Northampton-Hertford-Gates-Bertie-Southampton-Isle of Wight-
Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-Newport News-
Hampton/Poquoson-
737 AM EDT Fri Sep 6 2019

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
...TROPICAL STORM WARNING IN EFFECT...

This Hazardous Weather Outlook is for northeast North Carolina and
southeast Virginia.

.DAY ONE...Today and tonight.

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

   Flash Flood Watch.
   Tropical Storm Warning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Tropical Storm Warning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MDZ021>025-VAZ077-078-099-071145-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Northumberland-Lancaster-Accomack-
737 AM EDT Fri Sep 6 2019

...TROPICAL STORM WARNING IN EFFECT...
...COASTAL FLOOD WATCH IN EFFECT THROUGH LATE SATURDAY NIGHT...

This Hazardous Weather Outlook is for southeast Maryland, eastern
Virginia and southeast Virginia.

.DAY ONE...Today and tonight.

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

   Tropical Storm Warning.
   Coastal Flood Watch.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Tropical Storm Warning.
   Coastal Flood Watch.

.SPOTTER INFORMATION STATEMENT...

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

VAZ075-076-081>083-087>090-518-520-522-071145-
Westmoreland-Richmond-Prince George-Charles City-New Kent-
Greensville-Sussex-Surry-James City-Eastern King William-
Eastern King and Queen-Eastern Essex-
737 AM EDT Fri Sep 6 2019

...TROPICAL STORM WARNING IN EFFECT...

This Hazardous Weather Outlook is for east central Virginia, south
central Virginia and southeast Virginia.

.DAY ONE...Today and tonight.

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

   Tropical Storm Warning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Tropical Storm Warning.

.SPOTTER INFORMATION STATEMENT...

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

VAZ100-523-071145-
Northampton-York-
737 AM EDT Fri Sep 6 2019

...COASTAL FLOOD WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
...TROPICAL STORM WARNING IN EFFECT...

This Hazardous Weather Outlook is for eastern Virginia and
southeast Virginia.

.DAY ONE...Today and tonight.

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

   Coastal Flood Warning.
   Flash Flood Watch.
   Tropical Storm Warning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Tropical Storm Warning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ521-071145-
Western Essex-
737 AM EDT Fri Sep 6 2019

This Hazardous Weather Outlook is for east central Virginia.

.DAY ONE...Today and tonight.

Hurricane Dorian will continue to will move near or over the coast
of North Carolina this morning through midday. Behind the departing
system, wind gusts of 35 to 45 mph are expected from mid-morning
through this afternoon. These winds could blow around light outdoor
objects and knock down tree branches, with scattered power outages
possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

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

VAZ084>086-071145-
Gloucester-Middlesex-Mathews-
737 AM EDT Fri Sep 6 2019

...COASTAL FLOOD WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...TROPICAL STORM WARNING IN EFFECT...

This Hazardous Weather Outlook is for eastern Virginia and
southeast Virginia.

.DAY ONE...Today and tonight.

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

   Coastal Flood Warning.
   Tropical Storm Warning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Tropical Storm Warning.

.SPOTTER INFORMATION STATEMENT...

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

VAZ064-079-080-511>517-519-071145-
Caroline-Brunswick-Dinwiddie-Western Hanover-Eastern Hanover-
Western Chesterfield-Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Western King and Queen-
737 AM EDT Fri Sep 6 2019

This Hazardous Weather Outlook is for central Virginia, east
central Virginia, north central Virginia and south central Virginia.

.DAY ONE...Today and tonight.

Hurricane Dorian will continue to will move near or over the coast
of North Carolina this morning through midday. Behind the departing
system, wind gusts of 35 to 45 mph are expected from mid-morning
through this afternoon. These winds could blow around light outdoor
objects and knock down tree branches, with scattered power outages
possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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>069-509-510-071145-
Fluvanna-Prince Edward-Cumberland-Goochland-Mecklenburg-Lunenburg-
Nottoway-Amelia-Powhatan-Western Louisa-Eastern Louisa-
737 AM EDT Fri Sep 6 2019

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

.DAY ONE...Today and tonight.

Hurricane Dorian will continue to will move near or over the coast
of North Carolina this morning through midday. Behind the departing
system, gusts to 25 to 35 mph are expected from mid-morning through
this afternoon. These winds could blow around light outdoor objects
and knock down small tree branches, with isolated power outages
possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is 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

Local storm report, Sep 6, 8:19 AM EDT, 1 hour 10 minutes before
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Local storm report, Sep 6, 9:02 AM EDT, 27 minutes before
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Local storm report, Sep 6, 9:05 AM EDT, 24 minutes before
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Local storm report, Sep 6, 9:19 AM EDT, 10 minutes before
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Local storm report, Sep 6, 9:21 AM EDT, 8 minutes before
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Local storm report, Sep 6, 9:24 AM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 9:34 PM EDTCoastal Flood WarningAKQGloucester, James City, Mathews, Middlesex, Northampton, Surry and 5 more26 hr
Sep 6, 9:58 AM EDTCoastal Flood AdvisoryAKQAccomack, Gloucester, James City, Lancaster, Mathews, Middlesex and 10 more38 hr
Sep 6, 3:29 PM EDTAreal Flood WarningAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach6 hr
Sep 6, 5:16 PM EDTSmall Craft AdvisoryAKQ32 hr
Sep 6, 5:51 PM EDTBeach Hazards StatementAKQAccomack, Northampton, City of Virginia Beach23 hr
Sep 6, 5:51 PM EDTRip Current StatementAKQAccomack, Northampton, City of Virginia Beach23 hr
Sep 5, 11:32 PM EDTTornado WarningAKQChowan, Perquimans17 min
Sep 6, 12:35 AM EDTTornado WarningAKQChowan, Gates, Pasquotank, Perquimans25 min
Sep 6, 12:48 AM EDTFlash Flood WarningAKQBertie, Chowan, Perquimans10 hr
Sep 6, 12:50 AM EDTTornado Warning Tornado observedAKQBertie, Chowan, Hertford, Perquimans25 min
Sep 6, 3:17 AM EDTFlash Flood WarningAKQBertie, Camden, Chowan, Gates, Hertford, Pasquotank and 1 more13 hr
Sep 6, 5:12 AM EDTFlash Flood WarningAKQCamden, Currituck, Pasquotank11 hr
Sep 6, 5:46 AM EDTRiver Flood WarningAKQBertie9 hr
Sep 6, 10:40 AM EDTAreal Flood WarningAKQBertie, Chowan, Perquimans6 hr
Sep 6, 4:24 PM EDTAreal Flood WarningAKQCamden, Chowan, Currituck, Pasquotank, Perquimans6 hr

Nearby

Flash Flood Warnings in Virginia, 2019Flash Flood Warnings in North Carolina, 2019Every flash flood warning in 2019

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.