Flash Flood Warning 12, NWS Baltimore/Washington

Issued

Jul 14, 2000, 6:25 PM EDT (22:25 UTC)

Expired

Jul 14, 2000, 8:15 PM EDT

In force

110 min

Issued by

NWS Baltimore/Washington

Area

Whole counties

Counties Baltimore County, MD, City of Baltimore, MD

The Sterling radar (KLWX), 87 km from the middle of the area, began a volume at 22:26 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.

000 
WGUS51 KLWX 142227
FFWLWX
MDC005-510-150015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
625 PM EDT FRI JUL 14 2000

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEAST BALTIMORE COUNTY IN NORTHERN MARYLAND
  BALTIMORE CITY IN NORTHERN MARYLAND

* UNTIL 815 PM EDT

* AT 618 PM EDT...HAM RADIO WEATHER SPOTTERS REPORTED VERY HEAVY
  RAINS AND ROAD FLOODING ALONG THE ROSEDALE AND BALTIMORE CITY
  LINES. THE ASSOCIATED SEVERE THUNDERSTORM WAS CENTERED OVER
  THE SOUTHEAST BALTIMORE COUNTY AND EASTERN BALTIMORE CITY LINES
  AND WAS NEARLY STATIONARY.

  A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM
  FOR THE SAME SOUTHEAST BALTIMORE COUNTY AND BALTIMORE CITY AREAS.
  GOLFBALL SIZE HAIL WAS REPORTED IN EASTERN BALTIMORE CITY AT 615
  PM.

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

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN STERLING VIRGINIA.

JLW/SMZ

NWS Baltimore/Washington wrote its last area forecast discussion before this flash flood warning went out at Jul 14, 2:50 PM EDT, 3 hours 35 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
250 PM EDT FRI JUL 14 2000

A FEW SHRAS/TSRAS HV BKN OUT OVR THE FA THIS AFTN. STG TSTMS HV FORMED
OVR OH UNDER STG PVA AHD OF GRT LAKES S/W AND UNDER LF QUAD OF UPR JET.
PVA FM GRT LAKES S/W PROGGED TO REACH FA AFT 00Z TNGT.

ALL MDLS SHOW RH INCRG OVR FA AFT 00Z AS PVA MOVS INTO FA. GIVEN
STRENGTH OF VORT MX...INCRG RH AND LIKELIHOOD OF BDRYS LEFTOVR FM PM
CONVECTION...WL GO ABV GUIDANCE AND SAY LIKELY POPS TNGT. LOSS OF
DAYTIME HTG AND LACK OF JET DYNAMICS WL DIMINISH SVR THREAT OVERNGT.

MDLS ALL PROG UPR LOW TO CUTOFF OVR NE U.S. DUR FCST PD BUT DIFFER ON
TIMING AND PLACEMENT OF LOW. VORT MX WL STILL BE OVER THE FA FOR MUCH
OF SAT AND ENUF RH WL BE IN PLACE TO SUPPORT LIKELIHOOD OF SHRAS.
EXPECT ALOT OF CLDS DURING THE DAY WHICH WL INHIBIT POTENTIAL FOR
THUNDER SO WL NOT MENTION TSRAS.

FWC TEMPS IN L/M 80S APPR TOO HI SO WL LEAN TWD FAN NUMBERS IN 70S.

RH PROGGED TO RETREAT N SAT NGT AS UPR LOW RMNS IN VCNTY. WL KEEP A CHC
FOR EVE SHRAS IN NE HALF OF FA OTRW WL HV MC. SOME MOISTURE WL RMN OVR
THE AREA ON SUN. ETA/NGM SHOW WELL DEFINED S/W MOVG ARND UPR LOW INTO
FTHE FA. WL HV PC/PS AND A 30 POP FOR SHRAS.

FWC TEMPS LUK GUD RMNDR OF FCST PDS.

.LWX...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.

ARTHUR

Flash Flood Warnings in Maryland, 2000Every flash flood warning in 2000

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.