The Weather Prediction Center
College Park, MD
Storm Summary Message
Storm Summary Number 4 for Heavy Rain Associated with
Post-Tropical Cyclone Olga
NWS Weather Prediction Center College Park MD
400 PM CDT Sat Oct 26 2019
...Periods of Rain Continue From the Deep South to the Great Lakes
as Olga merges with the frontal system in the Tennessee Valley...
Flood Warnings are in effect across portions of the Mississippi
River in Missouri/Illinois and much of southeast Missouri and
portions of other rivers in central and southern Mississippi.
Flood Watches are in effect for portions of northeast Illinois.
A Flood Advisory is in effect across Southern Illinois.
For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov
At 300 PM CDT...National Weather Service radar and surface
observations showed the remnant post-tropical cyclone center of
Olga with central barometric pressure of 1002 millibars, or 29.59
inches of mercury, in western Tennessee merging into a cold front
associated with a stronger, deepening surface low in western
Kentucky with a central pressure of 996 millibars, or 29.41 inches
of mercury. Ahead of the cold front and very near the center of
Olga's remnants were shallow but strong thunderstorms capable of
heavy rainfall extending from western Tennessee to the Gulf Coast
in the western Florida panhandle. A broad precipitation shield
extended from eastern Missouri across northern Illinois, Indiana
and much of Ohio associated more with the tropical moisture
overrunning the warm front along the Ohio River. Below are
preliminary rainfall observations associated with Olga and the
developing frontal low.
...Selected preliminary Storm Total Rainfall in inches from 700 PM
CDT Thu Oct 24 through 300 PM CDT Sat Oct 26...
...ALABAMA...
TUSCALOOSA RGNL ARPT 7.27
COKER 7.00
EUTAW 6.76
TOXEY 5 N 6.64
COKER 0.6 S 6.46
TUSCALOOSA 1.3 ENE 6.04
LAKE TUSCALOOSA 5.58
FAYETTE 5.6 N 5.52
NORTHPORT 18.7 N 5.21
HALEYVILLE - POSEY FIELD AP 5.19
FLORENCE 5.06
GAINESVILLE 1.5 NE 5.03
...ILLINOIS...
MISSISSIPPI RIVER @THEBES 3.69
BEAN RIDGE 3.61
SOUTHERN ILLINOIS AP 3.60
MURPHYSBORO 3.38
PLUMFIELD 3.36
MOUNT VERNON 3.28
VENEDY STATION 3.13
ASHLEY 2.91
CENTRALIA 2.84
SALEM 2.62
MOUNT VERNON AP 2.60
...INDIANA...
BEDFORD 2.50
MITCHELL 2.43
MARTINSVILLE 2.38
OHIO RIVER @EVANSVILLE 2.38
HAZELTON 2.30
HARDIN RIDGE 2.26
FRENCH LICK 2.22
EVANSVILLE REGL AP 2.18
MOUNT VERNON 2.13
SPENCER 2.10
BLOOMINGTON 2.09
...KENTUCKY...
MURRAY 1 SE 3.00
OLMSTED LOCK AND DAM 2.79
PADUCH REGIONAL AP 2.75
METROPOLIS 2.34
BENTON 2.16
EDDYVILLE 2.16
KEVIL 4.6 NW 2.16
WEST PADUCAH 3.1 SSW 2.06
...MISSOURI...
CAPE GIRARDEAU REGL AP 3.89
DUTCHTOWN 1S 3.83
CLARKTON 3.81
RED ROCK LANDING 3.74
SIKESTON 2 ENE 3.66
MALDEN MUNI AP 3.64
SOUTH DUNKLIN 3.45
PORTAGEVILLE DELTA CENTER 3.41
MISSISSIPPI RIVER @MOCASSIN SPRINGS 3.16
QULIN 1 WNW 2.85
THOMPSON LANDING 2.78
HORNERSVILLE 2.68
POPLAR BLUFF MUNI AP 2.68
...TENNESSEE...
GERMANTOWN 3 S 5.13
MEMPHIS 12 SE 5.06
WOLF RIVER @NORTH HOLLYWOOD ST 4.58
WOLF RIVER @GERMANTOWN 4.57
NONCONNAH CREEK @RIVERPORT RD 4.48
MEMPHIS INT'L AP 4.38
BARLETT 2 SSE 4.29
NONCONNAH CREEK @FARRISVIEW RD 4.26
CLEVELAND 1.7 WNW 4.15
BARTLETT 4.04
...Selected preliminary Storm Total Rainfall in inches where the
event has ended...
...ARKANSAS...
LAKE VILLAGE 3 NE 4.96
MARVELL 4.1 W 4.58
MARIANNA 1 NE 4.54
BLYTHEVILLE 5 SW 4.08
GREENVILLE 8 SW 3.94
PORTLAND 3.89
GREENWOOD 1.9 WNW 3.85
WEST MEMPHIS MUNI APT 3.84
OSCEOLA 3 S 3.77
ELAINE 14 SW 3.75
...LOUISIANA...
LAPLACE 10.46
PONCHATOULA 4.9 E 10.24
ALBANY 9.08
GRAY 0.5 ENE 8.09
HAMMOND 4.9 7.44
NEW ORLEANS INTL ARPT 7.33
SLIDELL 3.3 NE 7.27
AMITE RIVER @FRENCH SETTLEMENT 7.26
RACELAND 7.04
HOUMA 6.89
THIBOADAUX 7.8 NNE 6.82
SORRENTO 4NE 6.61
LUTCHER 6.23
...MISSISSIPPI...
OFAHOMA 2 SE 6.59
OLIVE BRANCH 6.46
CARRIERE 3.8 NE 6.06
ARKABUTLA 3N 6.04
TYLERTOWN 9 NW 6.04
MERIDIAN 8 SW 5.92
PICAYUNE 5.6 ENE 5.92
BOGUE CHITTO 5.88
OKATIBBEE RESERVOIR 5.85
LAUDERDALE 5.80
COLLINSVILLE 4 NNE 5.75
MERIDIAN 2.9 SW 5.73
Post-Tropical Cyclone Olga is nearly absorbed into the frontal
zone across western Tennessee is likely to be fully dissipated in
the line over the next hour or so in western Kentucky. The frontal
surface low will track north-northeast through the Central
Mississippi Valley later this evening and shift toward the Wabash
River Valley along the Illinois/Indiana border toward late
evening/overnight. Tropical moisture associated with will continue
to stream over the warm front and angle back across Illinois
presenting the best environment for prolonged moderate to heavy
rainfall tonight into tomorrow. While flash flooding threat is
reducing, longer duration flooding remains a concern. As such
Flood Watches and Flood Advisories are in effect across the
Mississippi River Valley into Illinois through this afternoon. For
the latest rainfall forecast associated with Olga and the frontal
low please refer to www.wpc.ncep.noaa.gov.
The next Storm Summary will be issued by the Weather Prediction
Center at 1100 PM EDT. Please refer to your local National Weather
Service office for additional information on this event.
Gallina
Last Updated: 447 PM EDT SAT OCT 26 2019