Severe Thunderstorm Warning 95, NWS Baltimore/Washington

Issued

May 24, 2000, 2:58 PM EDT (18:58 UTC)

Expired

May 24, 2000, 3:30 PM EDT

In force

32 min

Issued by

NWS Baltimore/Washington

Area

Whole counties

Counties Carroll County, MD, Howard County, MD

The Sterling radar (KLWX), 65 km from the middle of the area, began a volume at 19:02 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.

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.

522 
WUUS51 KLWX 241900
SVRWBC
MDC013-027-241930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
258 PM EDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HOWARD COUNTY IN CENTRAL MARYLAND
  SOUTHERN CARROLL COUNTY IN NORTH CENTRAL MARYLAND

* UNTIL 330 PM EDT

* AT 258 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL 5 MILES NORTH OF MOUNT AIRY...
  OR ABOUT 11 MILES NORTH OF DAMASCUS...MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   WINFIELD AT 306 PM EDT
   GAITHER AT 314 PM EDT
   ELDERSBURG...SYKESVILLE AT 316 PM EDT
   MARRIOTTSVILLE AT 322 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.

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 700 PM EDT
WEDNESDAY EVENING FOR NORTHWESTERN MARYLAND AND THE PANHANDLE OF WEST
VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL
900 PM EDT WEDNESDAY EVENING FOR NORTHWESTERN MARYLAND AND THE
PANHANDLE OF WEST VIRGINIA.

.END/ SMZ/JLW

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 2:10 PM EDT, 48 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
210 PM EDT WED MAY 24 2000

A FEW TSTM HAVE DEVELOPED OVER NC CWA NEAR PA BORDER SINCE 1PM FROM
SFC WIND CONV AND OUTFLOW FROM STORMS IN PA. ALREADY SEEING LEFT AND
RIGHT MOVERS AND HAVE HAD A REPORT OF PEA HAIL WITH WASH. CO STORM.
SFC ANAL SHOWS LEE TROF BEGINNING TO SET UP E OF MTNS. TDS IN LOW
TO MID 60S E OF MTNS WITH AMPLE SUNSHINE. TDS IN MTNS HAVE DROPPED
A FEW DEGREES PAST FEW HRS DUE TO TEMPORARY DOWNSLOPE W WINDS BEHIND
TROF. THEY SHUD REBOUND AS WINDS SHIFT BACK TO SW BEFORE FROPA.

MODEL LIS THIS EVE ARE NEG ACROSS PA WITH NEAR 0 VALUES S OF
MASON/DIXON LINE. DYNAMICS ARE ALSO GREATER TO OUR NORTH AS THE
FRONT APPROACHES. ATTM CAPS ARE HOLDING MODERATE INSTABILITY AT BAY
IN ALL BUT FAR N CWA. CAP SHUD HOLD FOR MUCH OF THE AFT OVER S
CWA...BUT THERE IS A POSSIBILITY THAT ANY OUTFLOW FROM THE STORMS
OVER NC CWA COULD TRIGGER STORMS FURTHER SOUTH.  WILL NEED TO
MONITOR CLOSELY. THE BEST MOISTURE /MARGINAL/ WILL BE RIGHT AHEAD
AND ALONG FRONT.  EXPECT MOST SHRA/TSRA ASSOC WITH THIS FEATURE.
FROPA LOOKS TO BE 04Z W TO 09Z. 850MB WINDS ARE 35KTS BEHIND FRONT
SO EXPECT BREEZY CONDITIONS THU EARLY MORNING THRU SUNSET. WILL ALSO
HAVE STRONG DOWNSLOPE ALLOWING TEMPS TO GET WELL INTO THE 80S EVEN
WITH CAA. 250MB JET WILL BE OVER CWA THU SO WELL HAVE SOME HI CLDS.
ALSO VORT ASSOC WITH CONVECTION TONIGHT OVER TN VALLEY MAY BRING A
FEW DEBRIS CLDS TO S CWA LATE THU. WILL WORD PARTLY SUNNY.

HI PRES BUILDS INTO AREA QUICKLY THU NIGHT AND FRI. WAA KICKS IN
OVER CWA FRIDAY NIGHT AHEAD OF LOW PRES PROGGED TO DEVELOP OVER THE
SOUTHERN PLAINS. BY MIDDAY SAT...LOW WILL BE IN THE OHIO VALLEY AND
THE MRF SWINGS WARM FRONT THROUGH CWA. MOISTURE ALSO INCREASES BY
SAT AFT. WILL KEEP MENTION OF SAT NIGHT AND SUN PRECIP. FROPA ON MRF
LOOKS TO BE 00Z MON. LOW IS SLOW TO EXIT REGION MON SO THERE SHUD BE
SOME CLDS AROUND FOR MEMORIAL DAY. WILL KEEP MENTION OF CLDS IN
FCST.

MARINE FCST...WILL KEEP TOM AFT JUST BELOW SMALL CRAFT AT 15 TO 20
AND GUSTY.

.LWX...
DC...FIRE WEATHER WATCH THURSDAY FOR ZONE DCZ001.

MD...FIRE WEATHER WATCH THURSDAY FOR ZONES MDZ002>007...
MDZ009>011...MDZ013>014...MDZ016>018.

VA...FIRE WEATHER WATCH THURSDAY FOR ZONES VAZ021...
VAZ025>031...VAZ036>042...VAZ050>057.

WV...FIRE WEATHER WATCH THURSDAY FOR ZONES WVZ048>055.

MMARGRAF

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; radar from the NEXRAD Level II archive.