Alert archive / Virginia / Flash Flood Warnings in 2012

Flash Flood Warning 4, NWS Wakefield, VA

August 25, 20124 counties in Virginia

NWS Wakefield, VA issued this flash flood warning at Aug 25, 2012, 6:48 AM EDT for 4 counties in Virginia. It was in force for 117 min. 12 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 25, 2012, 6:48 AM EDT (10:48 UTC)
Expired
Aug 25, 2012, 8:45 AM EDT
In force
117 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties City of Hampton, VA, City of Newport News, VA, City of Poquoson, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 46 km from the middle of the area, began a volume at 10:49 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.

What was reported inside it

TimeReportWhereRemark
Aug 25, 7:00 AM EDTHEAVY RAIN 6.15Northampton, VASIGNIFICANT STREET FLOODING
Aug 25, 7:15 AM EDTFLOODNewport News, VASIGNIFICANT STREET FLOODING WARWICK BLVD AND MAIN ST...EST 4 INCHES RAIN LAST HOUR
Aug 25, 7:15 AM EDTFLASH FLOODNewport News, VASIGNIFICANT STREET FLOODING WARWICK BLVD AND MAIN ST...EST 4 INCHES RAIN LAST HOUR
Aug 25, 7:30 AM EDTFLOODCircle Mobile Home Park, VANET CENTER PARKING FLOODED
Aug 25, 7:30 AM EDTFLASH FLOODCircle Mobile Home Park, VANET CENTER PARKING FLOODED
Aug 25, 7:40 AM EDTFLOODMammoth Oak, VADEEP CREEK ROAD IMPASSABLE AT WARWICK BLVD
Aug 25, 7:40 AM EDTFLASH FLOODMammoth Oak, VADEEP CREEK ROAD IMPASSABLE AT WARWICK BLVD
Aug 25, 7:54 AM EDTHEAVY RAIN 3.52Newport News, VARAINFALL OF 3.52 INCHES IN 3 HOURS
Aug 25, 8:00 AM EDTFLASH FLOOD1 E Newmarket, VAABOUT 40 RESIDENTS OF AN APARTMENT BUILDING HAD TO BE RESCUED WITH BOATS...LOCATION NEAR A CREEK
Aug 25, 8:02 AM EDTFLOODBoxley Hills, VAWATER RESCUES...WARWICK BLVD CLOSED...DEEP CREEK IMPASSABLE FOR FIRE TRUCKS...5.27 INCHES RAIN
Aug 25, 8:02 AM EDTFLASH FLOODBoxley Hills, VAWATER RESCUES...WARWICK BLVD CLOSED...DEEP CREEK IMPASSABLE FOR FIRE TRUCKS...5.27 INCHES RAIN
Aug 25, 8:15 AM EDTFLASH FLOODCircle Mobile Home Park, VACARS SUBMERGED JUST W OF MERCURY BLVD ON WARWICK...CARS ABANDONED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 10.8 hours before the alert went out and 134 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 00:00Z on 2012-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2012-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1488 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

536 
WGUS51 KAKQ 251048
FFWAKQ
VAC199-650-700-735-251245-
/O.NEW.KAKQ.FF.W.0004.120825T1048Z-120825T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
648 AM EDT SAT AUG 25 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN CITY OF POQUOSON COUNTY...
  SOUTHEASTERN YORK COUNTY...
  WESTERN CITY OF HAMPTON COUNTY...
  CITY OF NEWPORT NEWS COUNTY...

* UNTIL 845 AM EDT...

* AT 645 AM EDT...TRAINED WEATHER SPOTTERS REPORTED URBAN FLASH      
  FLOODING   FROM A THUNDERSTORM NEAR BEACONSDALE...OR NEAR NEWPORT  
  NEWS...  MOVING NORTHWEST AT 5 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POQUOSON...
  NEWPORT NEWS AND PATRICK HENRY FIELD.

ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES ARE POSSIBLE IN THE WARNED 
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!

&&

LAT...LON 3696 7642 3712 7664 3715 7664 3719 7658
      3720 7659 3726 7653 3713 7635

$$

ZIMMERMAN
2 follow-up statements
019 
WGUS71 KAKQ 251221
FFSAKQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
821 AM EDT SAT AUG 25 2012

VAC199-650-700-735-251245-
/O.CON.KAKQ.FF.W.0004.000000T0000Z-120825T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CITY OF POQUOSON VA-YORK VA-CITY OF HAMPTON VA-
CITY OF NEWPORT NEWS VA-
821 AM EDT SAT AUG 25 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR CITY
OF NEWPORT NEWS...WESTERN CITY OF HAMPTON...SOUTHEASTERN YORK AND
WESTERN CITY OF POQUOSON COUNTIES...

AT 816 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH VERY HEAVY RAIN.  THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM FORT EUSTIS TO LEE HALL...OR ALONG A 
LINE EXTENDING FROM 7 MILES WEST OF NEWPORT NEWS TO YKTV2...MOVING 
NORTHWEST AT 10 MPH. 

THESE THUNDERSTORMS WILL BE MOVING OUT OF THE WARNED AREA BEFORE 845 
AM. HOWEVER...EXCESSIVE RUNOFF FROM THE VERY HEAVY RAIN WILL 
CONTINUE TO CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN 
AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE 
AREAS AND LOW LYING SPOTS THROUGH THE MID MORNING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
WAKEFIELD.


&&

LAT...LON 3696 7642 3712 7664 3715 7664 3719 7658
      3720 7659 3726 7653 3713 7635
TIME...MOT...LOC 1219Z 135DEG 10KT 3712 7663 3723 7652

$$

ALBRIGHT
342 
WGUS71 KAKQ 251256
FFSAKQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
856 AM EDT SAT AUG 25 2012

VAC199-650-700-735-251330-
/O.EXP.KAKQ.FF.W.0004.000000T0000Z-120825T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CITY OF POQUOSON VA-YORK VA-CITY OF HAMPTON VA-
CITY OF NEWPORT NEWS VA-
856 AM EDT SAT AUG 25 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR CITY OF NEWPORT NEWS...
WESTERN CITY OF HAMPTON...SOUTHEASTERN YORK AND WESTERN CITY OF
POQUOSON COUNTIES...

THUNDERSTORMS WHICH PRODUCED VERY HEAVY RAIN DURING THE EARLY 
MORNING HOURS HAVE MOVED OUT OF THE WARNED AREA. HOWEVER...EXCESSIVE 
RUNOFF FROM THE VERY HEAVY RAIN WILL CONTINUE TO CAUSE FLOODING OF 
SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND 
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS 
THROUGH THE MID AND INTO THE LATE MORNING HOURS.

LAT...LON 3696 7642 3712 7664 3715 7664 3719 7658
      3720 7659 3726 7653 3713 7635
TIME...MOT...LOC 1221Z 135DEG 10KT 3712 7664 3723 7653

$$

ALBRIGHT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 2:01 AM EDTSpecial Marine WarningAKQ59 min
Aug 25, 2:54 AM EDTSpecial Marine WarningAKQ81 min
Aug 25, 3:38 AM EDTSpecial Weather StatementAKQGreensville, City of Emporia37 min
Aug 25, 5:16 AM EDTSpecial Weather StatementAKQBrunswick, Dinwiddie, Greensville, Prince George, Surry, Sussex and 7 more119 min
Aug 25, 5:30 AM EDTSevere Thunderstorm WarningAKQIsle of Wight, City of Hampton, City of Newport News, City of Portsmouth, City of Suffolk45 min
Aug 25, 5:39 AM EDTSpecial Marine WarningAKQ81 min
Aug 25, 6:16 AM EDTSpecial Weather StatementAKQCity of Newport News59 min
Aug 25, 6:58 AM EDTAreal Flood AdvisoryAKQBrunswick, Greensville, City of Emporia2 hr
Aug 25, 8:25 AM EDTSpecial Weather StatementAKQBrunswick, Greensville, Southampton, Sussex, City of Emporia65 min
Aug 25, 9:14 AM EDTSpecial Marine WarningAKQ46 min
Aug 25, 9:16 AM EDTAreal Flood AdvisoryAKQDinwiddie, Greensville, Prince George, Southampton, Surry, Sussex and 1 more104 min
Aug 25, 9:16 AM EDTSpecial Marine WarningAKQ44 min
Aug 25, 9:54 AM EDTSpecial Marine WarningAKQ51 min
Aug 25, 9:55 AM EDTSpecial Marine WarningAKQ35 min
Aug 25, 10:04 AM EDTSpecial Weather StatementAKQNorthampton56 min
Aug 25, 10:13 AM EDTTornado WarningAKQCity of Norfolk, City of Portsmouth32 min
Aug 25, 10:15 AM EDTSpecial Marine WarningAKQ37 min
Aug 25, 10:34 AM EDTSpecial Marine WarningAKQ41 min
Aug 25, 10:56 AM EDTSpecial Weather StatementAKQCharles City, Hanover, Henrico, James City, New Kent, Prince George and 3 more64 min
Aug 25, 10:59 AM EDTSpecial Weather StatementAKQGloucester, Mathews, York, City of Hampton, City of Poquoson61 min
Aug 25, 11:14 AM EDTSpecial Weather StatementAKQAccomack61 min
Aug 25, 11:51 AM EDTSpecial Weather StatementAKQCharles City, Isle of Wight, James City, King William, New Kent, Surry and 3 more54 min
Aug 25, 11:56 AM EDTAreal Flood AdvisoryAKQAccomack, Northampton3 hr
Aug 25, 11:58 AM EDTAreal Flood AdvisoryAKQCharles City, Isle of Wight, James City, Prince George, Surry, Sussex92 min
Aug 25, 12:39 PM EDTAreal Flood AdvisoryAKQIsle of Wight, Southampton81 min
Aug 25, 12:56 PM EDTTornado WarningAKQAccomack34 min
Aug 25, 12:58 PM EDTSpecial Marine WarningAKQ62 min
Aug 25, 1:11 PM EDTAreal Flood AdvisoryAKQGloucester, Isle of Wight, James City, Mathews, Surry, York and 3 more109 min
Aug 25, 1:17 PM EDTFlash Flood WarningAKQAccomack88 min
Aug 25, 2:37 PM EDTAreal Flood AdvisoryAKQIsle of Wight, York, City of Hampton, City of Newport News, City of Poquoson, City of Portsmouth and 1 more3 hr
Aug 25, 2:37 PM EDTTornado WarningAKQAccomack38 min
Aug 25, 2:42 PM EDTSpecial Marine WarningAKQ93 min
Aug 25, 3:03 PM EDTFlash Flood WarningAKQAccomack, Northampton117 min
Aug 25, 3:13 PM EDTRiver Flood WarningAKQBrunswick6 hr
Aug 25, 3:40 PM EDTSpecial Marine WarningAKQ95 min
Aug 25, 4:34 PM EDTAreal Flood AdvisoryAKQAccomack116 min
Aug 25, 4:54 PM EDTFlash Flood WarningAKQAccomack50 min
Aug 25, 5:13 PM EDTSpecial Marine WarningAKQ77 min
Aug 25, 5:22 PM EDTSpecial Weather StatementAKQDinwiddie53 min
Aug 25, 6:26 PM EDTSpecial Weather StatementAKQDinwiddie, Southampton, Sussex64 min
Aug 25, 6:44 PM EDTSpecial Weather StatementAKQCumberland46 min
Aug 25, 7:23 PM EDTAreal Flood AdvisoryAKQAccomack3 hr
Aug 25, 7:28 PM EDTSpecial Weather StatementAKQAmelia, City of Petersburg62 min
Aug 25, 7:41 PM EDTAreal Flood AdvisoryAKQAmelia, Cumberland, Powhatan, Prince Edward3 hr

Nearby

Flash Flood Warnings in Virginia, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.