Severe Thunderstorm Warning 85, NWS Baltimore/Washington

Issued

May 13, 2000, 7:35 PM EDT (23:35 UTC)

Expired

May 13, 2000, 8:15 PM EDT

In force

40 min

Issued by

NWS Baltimore/Washington

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Anne Arundel County, MD, Baltimore County, MD, City of Baltimore, MD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

000 
WUUS51 KLWX 132339 RRA
SVRWBC
MDC003-005-025-510-140015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
735 PM EDT SAT MAY 13 2000

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANNE ARUNDEL COUNTY IN CENTRAL MARYLAND
  BALTIMORE COUNTY IN NORTHERN MARYLAND
  BALTIMORE CITY IN NORTHERN MARYLAND
  HARFORD COUNTY IN NORTHERN MARYLAND

* UNTIL 815 PM EDT

* AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS
  EXTENDING ACROSS HARFORD AND BALTIMORE COUNTIES MOVING NORTHEAST 
  AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   CARNEY...FULLERTON AT 738 PM EDT
   WHITE MARSH AT 740 PM EDT
   KINGSVILLE...GUNPOWDER AT 744 PM EDT
   JOPPATOWNE...PLEASANT HILLS AT 746 PM EDT
   ABINGDON AT 752 PM EDT

SEEK SAFETY INDOORS AWAY FROM WINDOWS. IF CAUGHT OUTSIDE...DO NOT
STAND UNDERNEATH TREES OR OTHER ISOLATED OBJECTS. DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

AS THE STORM APPROACHES MOVE TO A PLACE OF SAFETY. TUNE INTO NOAA
WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST
WEATHER INFORMATION.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR WESTERN VIRGINIA. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL 800 PM EDT SATURDAY EVENING FOR AND
NORTHWESTERN MARYLAND AND NORTHWESTERN VIRGINIA AND THE PANHANDLE OF
WEST VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT
UNTIL 1000 PM EDT SATURDAY EVENING FOR AND NORTHWESTERN MARYLAND AND
NORTHWESTERN VIRGINIA AND THE PANHANDLE OF WEST VIRGINIA.

.!END/ JLW

LAT...LON 3968 7679 3899 7672 3961 7565 3983 7580

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at May 13, 2:40 PM EDT, 4 hours 55 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
240 PM EDT SAT MAY 13 2000

...SHORT TERM...

AT 18Z...WK BNDRY DRAPED OVR THE NE ZNS SLOWLY MOVING NEWD IN RESPONSE
TO SW FLO AHEAD OF APPROACHING CDFNT. S OF THE BNDRY...OVER MUCH OF
THE CWA...ATMS IS VERY UNSTABLE WITH LIS AROUND -10...CAPES OF 3500 TO
4500...AND DWPTS IN THE 70S. ATMS ALSO BEGINNING TO DESTABILIZE OVR NE
ZNS AS BNDRY MVS NWD. OLD OUTFLOW BNDRY OVR WRN ZNS NOW ACTING AS A
FOCUS FOR REDVLPMT OF CNVCTN. EXPECT PREFRONTAL CNVCTN TO INTENSIFY AND
MV EWD DURING THE REST OF THE AFTRN. MAIN THREAT WL BE LARGE HAIL AND
SPOTTY DAMAGING WINDS. NOT A LOT OF DIRECTIONAL SHEAR TO SUPPORT
TORNADOES. HWVR...CELLS THAT FORM AT THE INTERSECTION OF THE
APPROACHING BNDRY WITH THE OLD BNDRY DRAPED OVR THE NE ZNS WL HAVE TO
BE WATCHED CLOSELY. WATCHBOX OUT.

CDFNT PUSHES E OF THE CWA BY 03Z. WL KEEP A RMDNR OF AFT PD E OF THE
BLUE RDG AND KEEP TSRA GOING IN OUR SE COUNTIES INTO THE EARLY OVRNGT
PD.

...LONG TERM...

LONGWAVE TROF SETS UP OVR ERN PTN OF THE NATION SUN THRU MON. AT THE
SFC...HI PRES BUILDS OVR THE AREA...BUT SLIPS OFFSHR MON. A VORT MAX
ROTATING AROUND THE UPR LVL TROF WL SEND ANOTHER WK BNDRY THRU THE AREA
LATE MON.

FCST WL BE SUNNY SUN AND CLR SUN NGT. AVN AND ETA HINT AT SOME CLNDS ON
MON AS WE GET RETURN FLOW AROUND THE DEPARTING SFC HI AND THE WEAK
FRONT APPROACHES FROM THE NW. WL GO P/S 4TH PD.

DWPTS FCSTD TO FALL INTO THE LWR 40S SUN THRU MON RESULTING IN LOW
HUMIDITY. FOR TEMPS...AVN AND NGM MOS WITHIN A FEW DEG OF ONE ANOTHER
WITH THE AVN LEANING ON THE COOL SIDE. WENT WITH A BLEND OF THE AVN AND
NGM MOS 2ND & 4TH PDS.  WENT SLIGHTLY BELOW GUIDANCE 3RD PD AS SKC
ALONG WITH LGT WINDS WL RESULT IN GOOD RADIATIONAL COOLING.

BEYOND 4TH PD...HIGH PRES BUILDS INTO THE AREA TUE & WED WITH NEAR
NORMAL TEMPS AND LOW HUMIDITY. COULD SEE SOME CLOUDINESS RETURN THU AS
SFC HI SLIPS OFFSHR AND WMFNT APPROACHES FM THE W.

.LWX...NONE.

Severe Thunderstorm Warnings in Maryland, 2000Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.