Alert archive / Virginia / Flash Flood Warnings in 2002

Flash Flood Warning 2, NWS Wakefield, VA

August 28, 2002City of Virginia Beach, Virginia

NWS Wakefield, VA issued this flash flood warning at Aug 28, 2002, 12:03 PM EDT for City of Virginia Beach, Virginia. It was in force for 117 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
Aug 28, 2002, 12:03 PM EDT (16:03 UTC)
Expired
Aug 28, 2002, 2:00 PM EDT
In force
117 min
Issued by
NWS Wakefield, VA
Area
Whole counties

County City of Virginia Beach, VA

The radar

The Norfolk radar (KAKQ), 93 km from the middle of the area, began a volume at 16:05 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, 4.1 hours before the alert went out and 143 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 2002-08-28Temperature 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 12:00Z on 2002-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
635 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KAKQ 281603
FFWAKQ
VAC810-281800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
1159 AM EDT WED AUG 28 2002

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CITY OF VIRGINIA BEACH IN SOUTHEAST VIRGINIA

* UNTIL 200 PM EDT

* AT 1154 AM EDT...VIRGINIA BEACH LAW ENFORCEMENT REPORTED UP TO 3   
  FEET OF WATER ON SOME ROADWAYS.  DOPPLER RADAR ESTIMATES 1 TO 2    
  INCHES OF RAIN PER HOUR...AND THIS RAIN WILL CONTINUE THROUGH 1    
  PM.  SOME LOCATIONS WITH HIGH WATER INCLUDE LYNN SHORES AND        
  ROSEMONT AT VIRGINIA BEACH BOULEVARD.  WITH ADDITONAL              
  RAINFALL...RUN OFF WILL BE VERY SLOW...SO EXPECT SIGNIFICANT       
  STANDING WATER ON ROADWAYS THROUGH 2 PM.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH
  FLOODING INCLUDE...VIRGINIA BEACH OCEANFRONT...LYNNHAVEN AND CAPE
  HENRY.

$$
LAT...LON 3668 7603 3673 7581 3715 7593 3717 7631

NS
1 follow-up statement
000 
WGUS71 KAKQ 281715
FFSAKQ
VAC650-700-710-735-740-810-281815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
105 PM EDT WED AUG 28 2002

...A FLASH FLOOD WARNING CONTINUES UNTIL 200 PM EDT FOR THE CITY OF 
VIRGINIA BEACH...  

...A FLASH FLOOD WARNING CONTINUES UNTIL 215 PM EDT FOR THE CITY OF 
HAMPTON...CITY OF NEWPORT NEWS...CITY OF NORFOLK...CITY OF   
POQUOSON...CITY OF PORTSMOUTH...

AT 1255 PM...RADAR SHOWED A CLUSTER OF SLOW MOVING THUNDERSTORMS 
OVER HAMPTON ROADS...MOVING SLOWLY NORTH AT 10 MPH.  ADDITIONAL 
THUNDERSTORMS ARE FORMING ALONG THE VIRGINIA...NORTH CAROLINA 
BORDER.  ALL AREAS OF HAMPTON ROADS CAN EXPECT THUNDERSTORMS WITH 
INTERMITTENT HEAVY DOWNPOURS THROUGH 215 PM.

SOME ROADS HAVE BEEN CLOSED IN NORFOLK...VIRGINIA BEACH AND 
HAMPTON.  SOME ROADS IN VIRGINIA BEACH AND NORFOLK ARE COMPLETELY 
BLOCKED...SUCH AS ROSEMONT AT VIRGINIA BEACH BOULEVARD AND AROUND 
THE KINGS GRANT AREA.  CARS ARE REPORTED STALLED OUT IN DEEP WATER 
IN NORFOLK AND VIRGINIA BEACH.  OVER 1 FOOT OF WATER WAS REPORTED ON 
SOME ROADS IN NEWPORT NEWS.  IN HAMPTON...A SECTION OF WEST MERCURY 
BOULEVARD AND POWHATAN PARKWAY WAS CLOSED.  IN NEWPORT NEWS...THE 
INTERSECTION OF TWENTY SEVENTH STREET AND BUXTON BOULEVARD HAD SOME 
RISING WATER...ALONG WITH MULTIPLE SECONDARY ROADS IN THE AREA.

RAINFALL TOTALS FROM SPOTTERS IN VIRGINIA BEACH HAVE RANGED FROM 4.5 
INCHES TO ALMOST 7 INCHES SINCE THE RAIN BEGAN YESTERDAY.  RAINFALL 
RATES OF 1 TO 2 INCHES PER HOUR HAVE ALSO BEEN REPORTED BY SPOTTERS 
IN HAMPTON ROADS.

$$

NS
&&
LAT...LON 3681 7638 3684 7596 3717 7627 3706 7652

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 12:20 PM EDTFlash Flood WarningAKQCity of Hampton, City of Norfolk, City of Poquoson, City of Portsmouth100 min
Aug 28, 12:45 PM EDTFlash Flood WarningAKQCity of Newport News75 min
Aug 28, 2:26 PM EDTFlash Flood WarningAKQCity of Hampton, City of Newport News109 min
Aug 28, 3:19 PM EDTFlash Flood WarningAKQCity of Hampton, City of Newport News56 min

Nearby

Flash Flood Warnings in Virginia, 2002Every flash flood warning in 2002

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.