Alert archive / Maryland / Flash Flood Warnings in 2002

Flash Flood Warning 9, NWS Wakefield, VA

September 1, 2002Worcester County, Maryland

NWS Wakefield, VA issued this flash flood warning at Sep 1, 2002, 12:36 PM EDT for Worcester County, Maryland. It was in force for 114 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: Sep 1, 2002, 12:36 PM EDT (16:36 UTC)
Expired: Sep 1, 2002, 2:30 PM EDT
In force: 114 min
Issued by: NWS Wakefield, VA
Area: Whole counties

County Worcester County, MD

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 4.6 hours before the alert went out and 33 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: 615 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KAKQ 011636
FFWAKQ
MDC047-011830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
1232 PM EDT SUN SEP 1 2002

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

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

* UNTIL 230 PM EDT

* AT 1225 PM EDT...RADAR INDICATED AN AREA OF HEAVY RAINFALL
  FROM NEWARK TO BERLIN TO OCEAN PINES...MOVING NORTHEAST AT 5 MPH.
  DOPPLER RADAR ESTIMATED OVER 6 INCHES OF RAIN HAD FALLEN OVER THAT
  AREA OVER THE PAST 12 HOURS...WITH 3 TO 4 INCHES HAVEN FALLEN IN THE
  PAST 3 HOURS. AT LEAST ANOTHER 2 INCHES ARE POSSIBLE.

* HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM
  THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME
  LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...OCEAN
  CITY...NEWARK...OCEAN PINES...CAPE ISLE OF WIGHT AND BERLIN.


$$
LAT...LON 3833 7538 3817 7526 3832 7472 3863 7495

REILLY

1 follow-up statement

000 
WGUS71 KAKQ 011747
FFSAKQ
MDC047-011830-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
147 PM EDT SUN SEP 1 2002

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM FOR WORCHESTER 
COUNTY...

LOCAL LAW ENFORCEMENT AND EMERGENCY MANAGEMENT OFFICIALS CONTINUE TO 
REPORT HIGH WATER ON ROADWAYS...WITH SOME OF THE WORST FLOODING 
OCCURRING IN THE BERLIN AREA...AS WELL AS IN OCEAN CITY MARYLAND. 
THE HEAVIEST OF THE RAIN...AT 140 PM...WAS INDICATED NORTHWEST OF 
BERLIN...TOWARD WILLARDS.  ADDITIONAL RAINFALL OF AN INCH OR TWO IS 
EXPECTED IN THE WARNED AREA...ESPECIALLY IN NORTHWEST WORCESTER 
COUNTY. THE HEAVIER RAIN IS EXPECTED TO EXIT THE COUNTY BY 230 PM.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

$$

REILLY
&&
LAT...LON 3832 7542 3825 7520 3843 7505 3846 7531

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 10:39 AM EDT	Flash Flood Warning	AKQ	Worcester	51 min
Sep 1, 11:39 AM EDT	Flash Flood Warning	AKQ	Worcester	51 min
Sep 1, 1:57 PM EDT	Flash Flood Warning	AKQ	Wicomico	2 hr
Sep 1, 2:35 PM EDT	Flash Flood Warning	AKQ	Worcester	85 min
Sep 1, 4:03 PM EDT	Flash Flood Warning	AKQ	Wicomico, Worcester	117 min

Nearby

Flash Flood Warnings in Maryland, 2002 Every 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.