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  2. Flash flood warning - Wikipedia

    en.wikipedia.org/wiki/Flash_flood_warning

    A flash flood warning (SAME code: FFW) is a severe weather warning product of the National Weather Service that is issued by national weather forecasting agencies throughout the world to alert the public that a flash flood is imminent or occurring in the warned area.

  3. Flash flood guidance system - Wikipedia

    en.wikipedia.org/wiki/Flash_flood_guidance_system

    Flash Flood Threat is the amount of rainfall of a given duration in excess of the corresponding Flash Flood Guidance value. The flash flood threat when used with existing or forecast rainfall then is an index that provides an indication of areas where flooding is imminent or occurring and where immediate action is or will be shortly needed.

  4. Severe weather terminology (United States) - Wikipedia

    en.wikipedia.org/wiki/Severe_weather_terminology...

    Flash flood warning FFW – Flash flooding—either indicated by Doppler weather radar or stream gauges, or reported by Skywarn spotters or local emergency officials—is occurring, imminent, or highly likely in the short term. A flash flood is a flood that occurs within six hours of excessive rainfall and poses a threat to life and/or property ...

  5. Opinion: Tropical Storm Helene: a flood of history, a trickle ...

    www.aol.com/opinion-tropical-storm-helene-flood...

    One of the great rewards of studying local history is that it offers us grounding and context for our place in the world. And sometimes it can save our lives. ... 1916 flood. They were a warning ...

  6. Flood alert - Wikipedia

    en.wikipedia.org/wiki/Flood_alert

    A flood warning or flash flood warning is issued when flooding is imminent or already occurring. When flood warnings are issued, it means that area waterways will likely soon be in flood. [2] Not all flood watches suggest that large-scale flooding, such as during landfalling tropical cyclones, is possible.

  7. Spain's flood disaster was its worst in recent history. Here ...

    www.aol.com/news/spains-flood-disaster-worst...

    "We could have done with (the warning) about six hours earlier," said the 23-year-old, who had fled with other local residents and guests to the first floor of the hotel near the town of Paiporta.

  8. Mistaken flash-flood warning sent in L.A. hours before polls ...

    www.aol.com/news/mistaken-flash-flood-warning...

    A flash-flood warning meant for about 1,500 people in the Fish fire burn area was sent throughout L.A. County, the National Weather Service said. Stormwater swept away a group of people in Ontario.

  9. Particularly dangerous situation - Wikipedia

    en.wikipedia.org/wiki/Particularly_dangerous...

    These are the first warnings issued with PDS wording, and like PDS flash flood watches, are issued by local forecast offices. [ 19 ] [ 20 ] Below is an example of a PDS Tornado Warning, issued for the 2021 Naperville–Woodridge tornado on June 20, 2021.