Flooding

Revision as of 13:30, 24 July 2017

The "Flooding" ribbon is awarded for causing flooding to an enemy ship.

Flooding in World of Warships is a damage-over-time effect that occurs due to damage taken below the waterline, most commonly from being struck by enemy torpedoes. Ships that are undergoing flooding do not list in-game as they would in real life, but do have their top speed reduced by approximately 20% in addition to the damage-over-time effect.

Causing Flooding

Only two effects have a chance to cause a ship to flood:

Being struck by a torpedo (enemy or friendly).
Being rammed by an enemy ship.

A ship's torpedo protection is shown in the Port screen under the Survivability tab. If no value is shown, it is considered to be zero.

A ribbon is awarded when a flood is caused to an enemy ship. Though captains may be awarded multiple flooding ribbons, it is not possible for a ship to suffer from the effects of multiple floods; either a ship is flooding or it is not. This is distinctly different from fires, where a ship can suffer from multiple simultaneous fires that stack their damage-over-time effects together.

Flooding Chance

The probability of a ship flooding depends on where it is struck by the torpedo (or rammed by the enemy ship), the presence of upgrades on the damaged ship (specifically, Damage Control System Modification 1), and the signals mounted on both ships (Juliet Whiskey Unaone increases the chance of causing a flood; Victor Lima increases the chance of receiving one). Many ships — most battleships and aircraft carriers, as well as some heavy cruisers — have torpedo bulges built into their citadel armor that reduces not only damage taken from the torpedo, but the chance that the torpedo will cause flooding.

Flooding Effects

The user interface will display this icon — overlayed with the remaining duration — when a ship is experiencing flooding.

Flooding damage reduces a ship's health by 0.667% of its total health pool per second. If a flood is not controlled (see below) and is allowed to run for its full duration, a ship will lose just over 60% of its total health pool to a single flood.

In addition, ships that are flooding have their top speed reduced by 15-20% (depending on class).

Controlling Flooding

The effects of flooding can only be removed by utilization of the Damage Control Party consumable, or by waiting for the flood duration timer to expire. Flooding has a base duration of 90 seconds, which can be reduced several ways:

Equipping Damage Control Modification 2 will reduce the duration by 15%.
Using a commander with the Level 3 commander skill Basics of Survivability will reduce the duration by 15%.
Flying the Juliet Yankee Bissotwo signal will reduce the duration by 20%.

Each of these effects stacks with the others; however, they are multiplicative rather than cumulative.

For example, if all three effects are stacked, the flooding duration is: 90 seconds x 0.85 x 0.85 x 0.80 = 52.02 seconds.

The below table provides the flood durations and total health loss for the different combinations of the above three effects.

Modifiers	Total Damage	Duration
Total damage	60% of base health	90 seconds
With one -15% modifier	51% of base health	76.5 seconds
With a -20% modifier	48% of base health	72 seconds
With two -15% modifiers	43.4% of base health	65 seconds
With one -15% modifier and a -20% modifier	40.8% of base health	61.2 seconds
With two -15% modifiers and a -20% modifier	34.7% of base health	52 seconds

All damage sustained by flooding is 100% recoverable by ships that can use the Repair Party consumable.

@@ Line 35: / Line 35: @@
 {{block|i|content=  For example, if all three effects are stacked, the flooding duration is: '''90 seconds x 0.85 x 0.85 x 0.80 = 52.02 seconds'''.}}
+The below table provides the flood durations and total health loss for the different combinations of the above three effects.
+<center>
+{|class = "wikitable" style="text-align:center;"
+! style="vertical-align:middle; width:300px" | Modifiers
+! style="vertical-align:middle; width:175px" | Total Damage
+! style="vertical-align:middle; width:175px" | Duration
+|-
+| Total damage
+| 60% of base health
+| 90 seconds
+|-
+| With one -15% modifier
+| 51% of base health
+| 76.5 seconds
+|-
+| With a -20% modifier
+| 48% of base health
+| 72 seconds
+|-
+| With two -15% modifiers
+| 43.4% of base health
+| 65 seconds
+|-
+| With one -15% modifier and a -20% modifier
+| 40.8% of base health
+| 61.2 seconds
+|-
+| With two -15% modifiers and a -20% modifier
+| 34.7% of base health
+| 52 seconds
+|}
+</center>
 All damage sustained by flooding is 100% recoverable by ships that can use the [[Ship:Consumables#Repair Party|Repair Party]] consumable.
 {{#gw_breadcrumbs: Ship}}
 [[Category:World of Warships]]

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