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URBAN AND SMALL STREAM FLOOD ADVISORY

NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI

320 PM EST FRI FEB 9 2001



...AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR 

ALL OF SOUTHEAST MICHIGAN UNTIL 6 PM EST TODAY...



AT 315 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAIN 

HAD DECREASED CONSIDERABLY OVER THE AREA...WITH JUST A FEW SHOWERS 

AROUND DETROIT...AND SOME LIGHT RAIN AND DRIZZLE AROUND THE TRI 

CITIES. HOWEVER...ANOTHER ROUND OF SHOWERS IS EXPECTED TO AFFECT THE 

AREA SOUTH OF M 59 AFTER 4 PM.



WITH ONLY LIGHT RAIN INDICATED AROUND FLINT AND THE TRI CITIES 

DURING THE AFTERNOON HOURS...FLOODING CONDITIONS WILL NOT GET ANY 

WORSE. HOWEVER...MORE TIME WILL BE NEEDED TO ALLOW STANDING WATER TO 

SLOWLY DRAIN. 



FARTHER SOUTH...REPORTS OF POOR ROAD CONDITIONS CONTINUE TO COME IN 

FROM THE AREA SOUTH OF M 59. AT ABOUT 230 PM...WASHTENAW COUNTY 

EMERGENCY SERVICES REPORTED SOME ROAD CLOSURES NEAR CHELSEA AND NEAR 

SALEM...DUE TO STANDING WATER. ALSO...MACOMB COUNTY CONTINUED TO 

REPORT BLOCKED OR SLOWLY DRAINING STORM SEWERS. 



ADDITIONAL RAINFALL AROUND ONE QUARTER INCH IS POSSIBLE SOUTH OF 

M 59 BETWEEN 4 AND 6 PM...INCLUDING THE DETROIT METRO AREA. THIS 

RAINFALL CAUSE ADDITIONAL SIGNIFICANT PONDING OF WATER ON ROADS 

WHERE SNOW BLOCKS OPENINGS TO STORM SEWERS. ALSO...THE FROZEN GROUND 

WILL NOT ABSORB THE RAINFALL AND MELTING SNOW...RESULTING IN 

STANDING WATER IN LOW LYING AREAS SUCH AS ROAD UNDERPASSES. ROADS 

THAT DRAIN POORLY WILL ACQUIRE SEVERAL INCHES OF STANDING WATER. 

SMALL CREEKS AND STREAMS MAY BRIEFLY RISE OUT OF THEIR BANKS. 



MOTORISTS TRAVELING AROUND THE AREA ARE URGED TO SLOW DOWN AND USE 

EXTRA CAUTION THROUGH THE AFTERNOON RUSH HOUR. STAY TUNED TO 

NATIONAL WEATHER SERVICE WEATHER RADIO...OR YOUR LOCAL TELEVISION 

AND RADIO STATIONS FOR LATER FORECAST UPDATES.



BT

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