Tornado Watch 277

Issued

May 22, 2001, 7:15 PM EDT (23:15 UTC)

Expired

May 22, 2001, 11:00 PM EDT

In force

4 hr

Issued by

the Storm Prediction Center

Counties Kent County, DE, Sussex County, DE, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Caroline County, MD, Carroll County, MD, Charles County, MD, City of Baltimore, MD, Dorchester County, MD, Howard County, MD, Kent County, MD, Prince George's County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Wicomico County, MD, Worcester County, MD, Westmoreland County, VA

000 
WWUS9 KMKC 222316
SEL7  

SEL7  
MKC WW 222310
DCZ000-DEZ000-MDZ000-VAZ000-CWZ000-230300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 277
STORM PREDICTION CENTER NORMAN OK
710 PM EDT TUE MAY 22 2001

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   DISTRICT OF COLUMBIA
   DELAWARE                           
   EASTERN AND SOUTHERN MARYLAND                           
   EXTREME NORTHEAST VIRGINIA                           
   AND ADJACENT COASTAL WATERS                     

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 715 PM UNTIL 1100
PM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 50 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM WASHINGTON DC TO 25 MILES EAST NORTHEAST OF
SALISBURY MARYLAND.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 274.  WATCH NUMBER 274 WILL NOT BE IN
EFFECT AFTER 715 PM EDT.  CONTINUE...WW 275...WW 276...

DISCUSSION...BOW ECHO WILL MOVE JUST SOUTH OF THE DC AREA...WHILE
ISOLATED SUPERCELLS HAVE FORMED AHEAD OF BOW.  BACKED LOW LEVEL
WINDS ALONG AND NORTH OF SURFACE WARM FRONT MAY PROMOTE TORNADO
DEVELOPMENT WITH ACTIVITY AS IT TRACK ACROSS EASTERN/SOUTHERN MD
AND DE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24040.

...HART

;374,0750 380,0770 393,0770 391,0750;

Tornado Watches in Maryland, 2001Tornado Watches in Delaware, 2001Tornado Watches in Virginia, 2001Every tornado watch in 2001

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.