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BULLETIN
Tropical Depression Cristobal Advisory Number  33
NWS Weather Prediction Center College Park MD   AL032020
400 PM CDT Tue Jun 09 2020
 
...CRISTOBAL BEGINNING TO SHEAR AS IT MOVES STEADILY 
NORTH-NORTHEAST...
...WIDESPREAD RAINFALL - SOME OF IT HEAVY - WILL OVERSPREAD THE
WESTERN GREAT LAKES TONIGHT...
 
 
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...41.2N 91.0W
ABOUT 175 MI...280 KM N OF ST. LOUIS MISSOURI
ABOUT 30 MI...45 KM SW OF DAVENPORT IOWA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NNE OR 20 DEGREES AT 28 MPH...44 KM/H
MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES
 
 
WATCHES AND WARNINGS
--------------------
A Flash Flood Watch is in effect for...
* Parts of the Midwest and western Great Lakes
 
Wind Advisories are in effect for...
* The Lower Mississippi Valley to the Upper Great Lakes
 
A Gale Warning is in effect for...
* Much of Lake Michigan
* Portions of eastern Lake Superior
* Portions of Lake Huron
 
For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 400 PM CDT (2100 UTC), the center of Tropical Depression
Cristobal was located near latitude 41.2 North, longitude 91.0 West 
or along the Mississippi River at the Iowa and Illinois border. The 
depression is moving toward the north-northeast near 28 mph (44
km/h) and this direction of motion is expected to continue, with 
some acceleration of forward speed tonight and Wednesday as 
Cristobal moves toward Wisconsin, Lake Superior, and Ontario.
 
Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Some strengthening is forecast tonight and early Wednesday as 
Cristobal becomes an extratropical low. Cristobal will then 
weaken and become absorbed in a larger synoptic low pressure area 
Wednesday night.

The estimated minimum central pressure is 992 mb (29.30 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Gusty winds are expected tonight and Wednesday over
portions of the Midwest and western Great Lakes as Cristobal
strengthens as an extratropical low.
 
RAINFALL: Cristobal will produce storm total rainfall accumulations
of 2 to 4 inches from the mid Mississippi Valley to the western
Great Lakes through Wednesday. This rainfall may produce flash
flooding, and is forecast to produce new and renewed minor to
moderate river flooding across portions of the lower Missouri and
mid to upper Mississippi Valleys.
 
TORNADOES: A few tornadoes are possible across the Mississippi
and Ohio Valleys into tonight.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1000 PM CDT.
 
$$
Forecaster Burke
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  09/2100Z 41.2N  91.0W   25 KT  30 MPH...INLAND
 12H  10/0600Z 44.6N  89.2W   30 KT  35 MPH...POST-TROP/EXTRATROP
 24H  10/1800Z 49.1N  84.3W   35 KT  40 MPH...POST-TROP/EXTRATROP
 36H  11/0600Z 52.8N  79.1W   30 KT  35 MPH...POST-TROP/EXTRATROP
 48H  11/1800Z...DISSIPATED
 
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