TROPICAL DEPRESSION HARVEY ADVISORY NUMBER 46
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD AL092017
400 PM CDT THU AUG 31 2017
...FLOODING CONTINUES ACROSS FAR EASTERN TEXAS AND WESTERN
LOUISIANA WHILE HEAVY RAINFALL SPREADS THROUGH THE LOWER
MISSISSIPPI AND TENNESSEE VALLEYS TODAY AND INTO THE OHIO VALLEY
AND CENTRAL APPALACHIANS TONIGHT AND TOMORROW...
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
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LOCATION...33.8N 90.5W
ABOUT 30 MILES...45 KM...NW OF GREENWOOD MISSISSIPPI
ABOUT 95 MILES...150 KM...SSW OF MEMPHIS TENNESSEE
MAXIMUM SUSTAINED WINDS...20 MPH...30 KM/H
PRESENT MOVEMENT...NE OR 045 DEGREES AT 20 MPH...32 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
WATCHES AND WARNINGS
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FLASH FLOOD WARNINGS AND WATCHES AND FLOOD WARNINGS AND ADVISORIES
ARE IN EFFECT FROM EASTERN TEXAS THROUGH PARTS OF THE LOWER
MISSISSIPPI VALLEY AND INTO WESTERN PORTIONS OF THE TENNESSEE
VALLEY AND THE OHIO VALLEY
FOR INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE WATCHES
AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE AT
WWW.WEATHER.GOV.
DISCUSSION AND 48-HOUR OUTLOOK
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AT 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL DEPRESSION
HARVEY WAS LOCATED NEAR LATITUDE 33.8 NORTH...AND LONGITUDE 90.5
WEST. TROPICAL DEPRESSION HARVEY IS MOVING TOWARD THE NORTHEAST
AND IS EXPECTED TO CONTINUE THIS MOTION OVER THE NEXT 48 HOURS.
THIS FORECAST TRACK TAKES HARVEY THROUGH THE TENNESSEE VALLEY ON
THURSDAY NIGHT AND FRIDAY, AND MOVING INTO THE OHIO VALLEY STATES
ON FRIDAY NIGHT AND SATURDAY AS A POST-TROPICAL LOW.
MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
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RAINFALL...TROPICAL DEPRESSION HARVEY IS EXPECTED TO PRODUCE 2 TO
5 INCHES OF RAIN FROM WESTERN TO CENTRAL TENNESSEE AND WESTERN TO
CENTRAL KENTUCKY INTO EXTREME SOUTHEASTERN INDIANA, SOUTHERN OHIO
AND WEST CENTRAL WEST VIRGINIA. LOCALLY HIGHER TOTALS OF 6 TO 8
INCHES ARE POSSIBLE FROM WESTERN TENNESSEE TO WEST CENTRAL
KENTUCKY. THESE RAINS WILL ENHANCE THE FLASH FLOODING RISK ACROSS
THESE AREAS. HOWEVER, WIDESPREAD FLOODING WILL CONTINUE IN AND
AROUND HOUSTON, BEAUMONT/PORT ARTHUR/ORANGE, AND EASTWARD AROUND
THE LOUISIANA BORDER THROUGH THE WEEKEND. THE EXPECTED HEAVY RAINS
SPREADING NORTHEASTWARD FROM LOUISIANA INTO WESTERN KENTUCKY MAY
ALSO LEAD TO FLASH FLOODING AND INCREASED RIVER AND SMALL STREAM
FLOODING. DO NOT ATTEMPT TO TRAVEL IN THE AFFECTED AREA IF YOU ARE
IN A SAFE PLACE. DO NOT DRIVE INTO FLOODED ROADWAYS.
...SELECTED PRELIMINARY STORM TOTAL RAINFALL IN INCHES THROUGH 4
PM CDT
FORECASTER TATE
FORECAST POSITIONS
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INITIAL 31/2100Z 33.8N 90.5W
12HR VT 01/0600Z 35.0N 88.0W...TROPICAL DEPRESSION
24HR VT 01/1800Z 36.3N 85.8W...TROPICAL DEPRESSION
36HR VT 02/0600Z 37.6N 84.5W...POST-TROP/EXTRATROP
48HR VT 02/1800Z 39.0N 83.5W...POST-TROP/EXTRATROP
$$