The influence of impact-based severe weather warnings on risk perceptions and intended protective actions

Potter, Sally H.; Kreft, Peter V.; Milojev, Petar; Noble, Chris; Montz, Burrell E.; Dhellemmes, Amandine; Woods, Richard; Gauden-Ing, Sarah

doi:10.1016/j.ijdrr.2018.03.031

Cited by 76 publications

(74 citation statements)

References 33 publications

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“…These two variables were selected due to previous, substantial and contradictory, research on the influence of these parameters in the decisionmaking process of citizens at risk (see Casteel, 2016;Potter et al, 2018;Ripberger et al, 2015;Weyrich et al, 2018). These two variables were selected due to previous, substantial and contradictory, research on the influence of these parameters in the decisionmaking process of citizens at risk (see Casteel, 2016;Potter et al, 2018;Ripberger et al, 2015;Weyrich et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

“…Studies on IBWs that have also studied gender, like Potter et al (2018), Morss et al (2016) and Ripberger et al (2015) have found that females are more likely to take a protective decision, whereas Weyrich et al (2018) recent research concluded that gender does not have an influence on the decision-making processes. Previous research on gender is, however, inconclusive.…”

Section: Discussionmentioning

confidence: 99%

“…However, the warnings used in all three studies are based on impacts that have been exaggerated to increase the sense of danger. Potter et al (2018) reported that IBWs were easier to understand but did not find an effect on increasing actual protective behaviour, whereas Weyrich et al (2018) reported an increase on improving intended behavioural response. Potter et al (2018) and Weyrich et al (2018) have also done similar studies on intended actions for thunderstorms and strong winds with a different approach to IBWs.…”

Section: Introductionmentioning

confidence: 93%

“…Previous research on IBWs and risk communication have used responses to hypothetical warning situations as a rough proxy for actual behavioural intentions to real warnings based on the theory of planned behaviour (TPB) (see Casteel, 2016;Morss et al, 2016;Potter et al, 2018;Ripberger et al, 2015). Previous research on IBWs and risk communication have used responses to hypothetical warning situations as a rough proxy for actual behavioural intentions to real warnings based on the theory of planned behaviour (TPB) (see Casteel, 2016;Morss et al, 2016;Potter et al, 2018;Ripberger et al, 2015).…”

Section: Approachmentioning

confidence: 99%

“…For hurricanes, Morss et al (2016) performed a similar experimental study to analyse the text of the IBWs product, where they also found that the impact information increased the likelihood of evacuation. Potter et al (2018) and Weyrich et al (2018) have also done similar studies on intended actions for thunderstorms and strong winds with a different approach to IBWs. Warnings with overblown language may provoke defensive attitudes, including denial and reluctance of taking any action on real emergencies (Morss et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Exploring protective decision‐making in the context of impact‐based flood warnings

Meléndez‐Landaverde

Werner

Verkade

2019

J Flood Risk Management

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Previous research has found that users fail to comprehend flood hazard warning messages as well as the possible impacts of the forecast events. A proposed way to improve understanding and uptake is the implementation of impactbased warning services. However, even though extensive qualitative research has been done on the provision of these impact-based warnings (IBWs) for different types of hazards and extreme events, there is still little scientific evidence that the additional information on impacts in flood warnings positively affects decisions made by the general public. The research reported here explores whether including messages of potential impacts increased the general public's likelihood of making a protective decision when provided with a flood warning. Nine hypothetical flood scenarios were presented to participants who were then asked to score their likelihood of making a specific protective decision. Participants were either presented IBWs or hazard flood warnings (HWs). Results show that IBWs indeed led to higher likelihoods of participants making a protective decision than HWs. Interestingly, we found that key factors identified in previous studies as influential elements in the decision-making process had little impact on their decision. These factors include gender and previous experience with flood warnings. K E Y W O R D Sforecasting and warnings, risk communication, risk perception

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 93%

Section: Approachmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Exploring protective decision‐making in the context of impact‐based flood warnings

Meléndez‐Landaverde

Werner

Verkade

2019

J Flood Risk Management

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Towards Impact‐Based Communication During Climate Emergencies

Meléndez‐Landaverde,

Sempere‐Torres,

Park

2024

Responding to Extreme Weather Events

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Dealing with inconsistent weather warnings: effects on warning quality and intended actions

Weyrich

Scolobig

Patt

2019

Meteorological Applications

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In the past four decades, the private weather forecast sector has been developing next to National Meteorological and Hydrological Services, resulting in additional weather providers. This plurality has led to a critical duplication of public weather warnings. For a specific event, different providers disseminate warnings that are more or less severe, or that are visualized differently, leading to inconsistent information that could impact perceived warning quality and response. So far, past research has not studied the influence of inconsistent information from multiple providers. This knowledge gap is addressed here. An inconsistency matrix was developed and employed to categorize the level of inconsistency across multiple warnings. The matrix provides warning pairs inconsistent in visualization, text or both. A survey experiment was conducted in Switzerland (N = 1,335). The results show that half of the people who received warnings from different providers for the same event indicated that these were inconsistent. The evaluation of warning quality and intended actions in a decision scenario characterized by two severe rainfall warnings shows the negative impacts of inconsistency. For example, consistent warnings are least confusing and inconsistent visual and textual warnings are most confusing. However, there are no significant differences in the effects of inconsistent textual information compared to inconsistent visual information on warning quality and intended actions. These findings offer empirical justification to enhance co‐operation between public and private weather providers. To improve warnings, the providers should find an agreement to be consistent either in the text or in the visualization.

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The influence of impact-based severe weather warnings on risk perceptions and intended protective actions

Cited by 76 publications

References 33 publications

Exploring protective decision‐making in the context of impact‐based flood warnings

Exploring protective decision‐making in the context of impact‐based flood warnings

Towards Impact‐Based Communication During Climate Emergencies

Dealing with inconsistent weather warnings: effects on warning quality and intended actions

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