Alert archive / Maryland / Flash Flood Warnings in 2004

Flash Flood Warning 21, NWS Wakefield, VA

August 1, 2004Dorchester County, Wicomico County, Worcester County, Maryland

NWS Wakefield, VA issued this flash flood warning at Aug 1, 2004, 3:58 PM EDT for Dorchester County, Wicomico County, Worcester County, Maryland. It was in force for 2 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: Aug 1, 2004, 3:58 PM EDT (19:58 UTC)
Expired: Aug 1, 2004, 6:00 PM EDT
In force: 2 hr
Issued by: NWS Wakefield, VA
Area: Whole counties

Counties Dorchester County, MD, Wicomico County, MD, Worcester County, MD

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.0 hours before the alert went out and 51 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: 1993 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 487 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 47 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.

000 
WGUS51 KAKQ 012002
FFWAKQ
MDC019-045-047-012200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
358 PM EDT SUN AUG 1 2004

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DORCHESTER COUNTY IN SOUTHEAST MARYLAND
  WICOMICO COUNTY IN SOUTHEAST MARYLAND
  WORCESTER COUNTY IN SOUTHEAST MARYLAND

* UNTIL 600 PM EDT

* AT 354 PM EDT...HEAVY RAINFALL CONTINUED FROM THUNDERSTORMS   
ALONG A LINE EXTENDING FROM OCEAN CITY TO 10 MILES SOUTHWEST OF 
CAMBRIDGE...DRIFTING SOUTHEAST AT 5 TO 10 MPH.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  OVER SALISBURY BY 405 PM EDT
  OVER BERLIN BY 415 PM EDT
  OVER FRUITLAND BY 430 PM EDT
  OVER NEWARK BY 445 PM EDT


DOPPLER RADAR HAS INDICATED BETWEEN 2 TO 4 INCHES OF RAINFALL HAS 
FALLEN FROM NEAR BUCKTOWN IN DORCHESTER COUNTY EAST TO OCEAN PINES 
IN WORCESTER COUNTY IN THE PAST 3 HOURS. ADDITIONAL RAINFALL AMOUNTS 
OF ONE TO TWO INCHES ARE POSSIBLE IN THE WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 3819 7516 3819 7517 3823 7514 3830 7566
      3827 7592 3836 7588 3827 7595 3830 7601
      3831 7601 3837 7598 3827 7603 3828 7617
      3829 7621 3829 7615 3853 7635 3843 7509
      3835 7509 3842 7504 3842 7504 3840 7504

$$

44

1 follow-up statement

000 
WGUS71 KAKQ 012051
FFSAKQ
MDC019-045-047-012200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
447 PM EDT SUN AUG 1 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 600 PM EDT FOR WORCESTER
WORCESTER...CENTRAL DORCHESTER AND WICOMICO COUNTIES...

AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOWERS AND THUNDERSTORMS ACROSS THE LOWER MARYLAND EASTERN SHORE.  
THESE STORMS WERE LOCATED FROM BERLIN TO VIENNA TO OCEAN CITY...
MOVING SOUTHEAST AT 10 MPH.

ALTHOUGH THE THUNDERSTORMS PRODUCING THE HEAVIEST RAINFALL HAVE MOVED 
FURTHER SOUTH...ADDITIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE 
OVER THE WARNED AREA THROUGH 6 PM. UP TO AN ADDITIONAL ONE HALF INCH 
OF RAIN IS POSSIBLE.  

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 3819 7516 3819 7517 3823 7514 3830 7566
      3827 7592 3836 7588 3829 7594 3830 7601
      3831 7601 3836 7599 3827 7603 3828 7617
      3829 7621 3829 7615 3853 7635 3843 7509
      3835 7509 3842 7504 3842 7504 3840 7504

$$

44

Nearby

Flash Flood Warnings in Maryland, 2004 Every flash flood warning in 2004

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.