Alert archive / Virginia / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Wakefield, VA

July 11, 1990City of Virginia Beach, Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 11, 1990, 10:50 PM EDT for City of Virginia Beach, Virginia. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1990, 10:50 PM EDT (02:50 UTC)
Expired
Jul 11, 1990, 11:45 PM EDT
In force
55 min
Issued by
NWS Wakefield, VA
Area
Whole counties

County City of Virginia Beach, VA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.8 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 00:00Z on 1990-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 716 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 00:00Z on 1990-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.1939Sfc1 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
716 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KORF 120251
FFWORF
VAC810-120345-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE NORFOLK VA
1050 PM EDT WED JUL 11 1990
 
THE NATIONAL WEATHER SERVICE IN NORFOLK VA   HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1145 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN EAST VIRGINIA THE INDEPENDENT CITY OF
 
   ...CENTRAL VIRGINIA BEACH
 
THUNDERSTORMS HAVE DUMPED 5 TO 10 INCHES OF RAIN OVER CENTRAL VIRGINIA
BEACH DURING THE PAST TWO HOURS. A WEATHER SPOTTER REPORTED 8.9
INCHES IN THE PEMBROKE SECTION OF THE CITY.
 
FLOODING OF LOW-LYING AND POOR DRAINAGE AREAS IS LIKELY FOR THE NEXT
HOUR.
 
 
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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
WALSTON

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.

In the hours before

Special weather statement, Jul 11, 9:15 PM EDT, 1 hour 35 minutes before
VAZ001>004-120300-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK VA
9:15 PM EDT WED JUL 11 1990

...ALL SEVERE THUNDERSTORM WARNINGS HAVE EXPIRED...

...SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR EASTERN
   VIRGINIA UNTIL 10:00 PM EDT...

AT 915 PM WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS THAT
EXTENDED FROM WELL EAST OF CAPE CHARLES VIRGINIA TO VIRGINIA BEACH
INTO SOUTHERN CHESAPEAKE. ANOTHER AREA OF THUNDERSTORMS COVERS
SOUTHAMPTON AND ISLE OF WIGHT COUNTIES TO THE JAMES RIVER.

THE THUNDERSTORMS ARE MOVING EAST AT 20 TO 25 MPH AND WILL BE
CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY WINDS...AND HEAVY
RAINFALL. HOWEVER...THE MAIN THREAT FROM THESE THUNDERSTORMS APPEARS
TO BE CONTINUOUS AND DAMAGING LIGHTNING.
.
THERE HAVE BEEN NUMEROUS REPORTS OF LIGHTNING DAMAGE THROUGHOUT
THE AREA THIS EVENING.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS
ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. A SEVERE THUNDERSTORM
WARNING MEANS SEVERE THUNDERSTORMS ARE IMMINENT. IF SEVERE WEATHER
APPROACHES YOUR AREA...TAKE SHELTER IMMEDIATELY.

REPORT ALL SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY FOR
RELAY TO THE NATIONAL WEATHER SERVICE.

WALSTON
Local storm report, Jul 11, 9:19 PM EDT, 1 hour 31 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RICHMOND VA
750 PM EDT WED JUL 11 1990

PRELIMINARY STORM REPORT...REVISED

 TIME          LOCATION/EVENT

1633-1645 EDT  8 W FREDERICKSBURG IN SPOTSYLVANIA COUNTY VA
               NUMEROUS TREES DOWN...POWER LINES DOWN...HEAVY
               RAINFALL.  WNDS ESTIMATED ABOUT 60 MPH.
1700 EDT       FREDERICKSBURG VA...NICKEL  SIZE HAIL.

1925-1930 EDT  BRUNSWICK COUNTY...NUMEROUS TREES DOWN...POWER LINES
               DOWN...HEAVY RAINFALL...WINDS ESTIMATED ABOVE 60 MPH.

1930-1935    PRINCE GEORGE COUNTY VA. HEAVY RAINFALL. WIND
             ESTIMATED ABOUT 50 MPH.

1800-1900    CAROLINE COUNTY VA...LARGE NUMBER OF TREES DOWN. POWER
             OUTAGES ACROSS COUNTY...WNDS ESTIMATED ABOVE 60 MPH.
<
1830-1845 EDT   PRINCE GEORGE COUNTY VA...HEAVY RAINFALL AND
                LOCALIZED FLOODING...STRONG WINDS SOME TREES
                DOWN.  WINDS ESTIMATED ABOUT 60 MPH.

 HS
Local storm report, Jul 11, 9:37 PM EDT, 1 hour 13 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE NORFOLK  VIRGINIA
936  PM EDT SUN JUL 01 1990

TIME           EVENT

5:40 PM EDT    TREES DOWNED NEAR CARSELY IN SURRY COUNTY VA

5:40 PM EDT    TREES DOWNED ALONG WITH PING PONG BALL SIZE HAIL
               NEAR TAPPAHANOCK IN ESSEX COUNTY VA

6:00 PM EDT    ONE HALF INCH HAIL 2 MILES WEST OF WILLIAMSBURG VA

6:15 PM EDT    ONE INCH HAIL REPORTED FROM WILLIAMSBURG VA

6:20 PM EDT    A HOUSE STRUCK BY LIGHTNING AND THE SHERIFFS OFFICE
               DAMAGED BY LIGHTNING AT SALUDA IN MIDDLESEX COUNTY.

6:25 PM EDT    ONE INCH HAIL COVERED THE GROUND IN THE NORTHERN PART
               OF MIDDLESEX COUNTY.
>
6:20 PM EDT    1 1/2 INCH HAIL REPORTED NEAR WARSAW IN RICHMOND
               COUNTY.

6:15 PM EDT    1 INCH HAIL REPORTED 5 MILES WEST OF SURRY IN SURRY
               COUNTY.

6:35 PM EDT    SEVERAL REPORTS OF WALNUT SIZE HAIL TO 1 1/2 INCH
               SIZE HAIL FROM WESTMORELAND COUNTY.

6:35 PM EDT    3 LARGE TREES DOWN 5 MILES NORTH OF RAYNOR IN ISLE
               OF WIGHT COUNTY.

7:00 PM EDT    ONE INCH HAIL AND TREES DONWED IN GLOUCESTER OF
               GLOUCESTER COUNTY.

7:08 PM EDT    1 INCH HAIL 5 MILES WEST OF TAPPAHANOCK IN ESSEX
               COUNTY.

7:30 PM EDT    SEVERE LIGHTNING DAMAGE REPORTED THROUGHOUT ALL OF
               NORTHAMPTON COUNTY VA

8:30 PM EDT    SEVERE LIGHTNING DAMAGE THROUGHOUT MOST OF VIRGINIA
               BEACH.
*>
6:30 PM EDT    TREES DOWNED IN NORTHERN NEWPORT NEWS

9:05 PM EDT    TREES DOWNED IN COURTLAND AREA OF SOUTHAMPTON
               COUNTY.

WALSTON
Special weather statement, Jul 11, 9:59 PM EDT, 51 minutes before
VAZ001>004-120300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK VA
9:55 PM EDT WED JUL 11 1990

...SEVERE THUNDERSTORM WATCH EXTENDED FOR THE HAMPTON ROADS AREA
   OF VIRGINIA UNTIL 11 PM EDT...

...SEVERE THUNDERSTORM WATCH CANCELED FOR THE REMAINDER OF VIRGINIA...

AT 955 PM EDT WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
EXTENDING FROM EAST OF CAPE CHARLES VIRGINIA THROUGH VIRGINIA BEACH INTO
CHESAPEAKE.

THE LINE HAS BECOME NEARLY STATIONARY DURING THE PAST HOUR.  THIS MEANS
THAT VERY INTENSE THUNDERSTORMS HAVE NOW BEEN SETTING OVER SECTIONS OF
VIRGINIA BEACH AND EASTERN CHESAPEAKE FOR MORE THAN TWO HOURS.  COPIOUS
AMOUNTS OF RAIN ARE LIKLEY OCCURRING IN THESE AREAS AND SOME FLOODING OF
LOW-LYING AREAS AND POOR DRAINAGE AREAS IN LIKELY.
>
ALONG WITH THE HEAVY RAINS...DANGEROUS AND DAMAGING LIGHTNING
IS ACCOMPANYING THESE STORMS.  ACCORDING TO THE SUNY LIGHTNING
DETECTION SYSTEM...THESE STORMS ARE PUTTING OUT UP TO 2400 STROKES
AN HOUR OVER THE SOUTHSIDE HAMPTON ROADS CITIES.

IF SEVERE WEATHER APPROACHES YOUR AREA...TAKE SHELTER IMMEDIATELY.
STAY AWAY FROM WINDOWS...DOORS...ELECTRICAL APPLIANCES.

OTHER SHOWERS AND THUNNDERSTORMS ARE A[LSO OCCURRING IN A LINE FROM
NEWPORT NEWS SOUTH THROUGH SUFFOLK...PORTSMOUTH... AND NORFOLK.
THESE STORMS ARE MOVING EAST AT 10 TO 15 MPH.

STYA TUNED TO TV...RADIO...AND NOAA WEATHER RADIO THROUGHOUT THE
EVENING FOR UPDATES.

WALSTON
Special weather statement, Jul 11, 10:01 PM EDT, 49 minutes before
VAZ001>004-120300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK VA
9:55 PM EDT WED JUL 11 1990

...SEVERE THUNDERSTORM WATCH EXTENDED FOR THE HAMPTON ROADS AREA
   OF VIRGINIA UNTIL 11 PM EDT...

...SEVERE THUNDERSTORM WATCH CANCELED FOR THE REMAINDER OF VIRGINIA...

AT 955 PM EDT WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
EXTENDING FROM EAST OF CAPE CHARLES VIRGINIA THROUGH VIRGINIA BEACH TO
CHESAPEAKE.

THE LINE HAS BECOME NEARLY STATIONARY DURING THE PAST HOUR.  THIS MEANS
THAT VERY INTENSE THUNDERSTORMS HAVE NOW BEEN SETTING OVER SECTIONS OF
VIRGINIA BEACH AND EASTERN CHESAPEAKE FOR MORE THAN TWO HOURS.  COPIOUS
AMOUNTS OF RAIN ARE LIKELY OCCURRING IN THESE AREAS AND SOME FLOODING OF
LOW-LYING AREAS AND POOR DRAINAGE AREAS IN LIKELY.
>
ALONG WITH THE HEAVY RAINS...DANGEROUS AND DAMAGING LIGHTNING
IS ACCOMPANYING THESE STORMS.  ACCORDING TO THE SUNY LIGHTNING
DETECTION SYSTEM...THESE STORMS ARE PUTTING OUT UP TO 2400 STROKES
AN HOUR OVER THE SOUTHSIDE HAMPTON ROADS CITIES.

IF SEVERE WEATHER APPROACHES YOUR AREA...TAKE SHELTER IMMEDIATELY.
STAY AWAY FROM WINDOWS...DOORS...ELECTRICAL APPLIANCES.

OTHER SHOWERS AND THUNNDERSTORMS ARE ALSeO OCCURRING IN A LINE FROM
NEWPORT NEWS SOUTH THROUGH SUFFOLK...PORTSMOUTH... AND NORFOLK.
THESE STORMS ARE MOVING EAST AT 10 TO 15 MPH.

STAY TUNED TO TV...RADIO...AND NOAA WEATHER RADIO THROUGHOUT THE
EVENING FOR UPDATES.

WALSTON
Special weather statement, Jul 11, 10:44 PM EDT, 6 minutes before
VAZ001>004-120500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK VA
10:43 PM EDT WED JUL 11 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE HAMPTON ROADS CITIES
   OF VIRGINIA UNTIL 11 PM EDT...

AT 1040 PM EDT WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS
EXTENDING FROM NORTHAMPTON COUNTY VIRGINIA SOUTH THROUGH VIRGINIA
BEACH VIRGINIA THEN INTO NORTHEAST NORTH CAROLINA.  THE STRONGEST
THUNDERSTORMS WERE OVER EASTERN VIRGINIA BEACH.

THESE THUNDERSTORMS CONTINUE TO PRODUCE EXTREMELY DANGEROUS LIGHTNING
OVER VIRGINIA BEACH ALONG WITH VERY HEAVY RAINFALL. UP TO 5 INCHES OF
RAIN HAS FALLEN IN SECTIONS OF CENTRAL VIRGINIA BEACH.  THIS HAS CAUSED
SOME MINOR FLOODING IN LOW-LYING AREAS AND IN POOR DRAINAGE AREAS.
LIGHTNING HAS CAUSED CONSIDERABLE DAMAGE IN THE SAME AREAS.  AT ONE
POINT THIS EVENING...THE SUNY LIGHTNING DETECTION SYSTEM INDICATED
THE STORMS OVER VIRGINIA BEACH PUTTING OUT 2400 STROKES OF
LIGHTNING PER HOUR.

RESIDENTS OF VIRGINIA BEACH SHOULD TAKE PRECAUTIONS AGAINST THE
LIGHTNING DURING THE NEXT HOUR. STAY AWAY FROM WINDOWS...DOORS..
AND ELECTRICAL APPLIANCES.

A LARGE AREA OF SHOWERS AND THUNDERSTORMS IS ALSO OCCURRING OVER
THE REMAINDER OF SOUTHEAST VIRGINIA...THE NORTHERN NECK AND INTO
THE INTERIOR SOUTHEAST. HOWEVER...THEY ARE NOT AS STRONG AS THE
ONES OVER VIRGINIA BEACH. THEY ARE MOVING EAST AT 15 TO 25 MPH
AND WILL BE MOVING THROUGH THE AREA DURING THE NEXT COUPLE OF
5HOURS.

WALSTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:06 PM EDTSevere Thunderstorm WarningAKQSurry, Sussex69 min
Jul 11, 8:10 PM EDTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Henrico65 min
Jul 11, 8:10 PM EDTSevere Thunderstorm WarningAKQPrince George65 min
Jul 11, 8:13 PM EDTSevere Thunderstorm WarningAKQCity of Virginia Beach47 min
Jul 11, 8:41 PM EDTSevere Thunderstorm WarningAKQSouthampton64 min
Jul 12, 5:53 PM EDTSevere Thunderstorm WarningAKQBrunswick, Mecklenburg67 min
Jul 12, 6:17 PM EDTSevere Thunderstorm WarningAKQLancaster, Richmond58 min
Jul 12, 6:17 PM EDTSevere Thunderstorm WarningAKQEssex58 min
Jul 12, 6:35 PM EDTSevere Thunderstorm WarningAKQGreensville40 min
Jul 12, 6:50 PM EDTSevere Thunderstorm WarningAKQNorthumberland40 min

Nearby

Flash Flood Warnings in Virginia, 1990Every flash flood warning in 1990

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.