"Tornado Warning" - Bulletin issued when a tornado has actually been sighted by spotters or indicated on radar and is occurring or imminent in the warning area.
"Severe Thunderstorm Warning" - Bulletin issued when a severe thunderstorm has actually been observed by spotters or indicated on radar, and is occurring or imminent in the warning area. A "severe" thunderstorm is one that produces hail the size of pennies or larger, or damaging winds (winds above 58 mph).
Heavy rain causing significant visibility restrictions...especially near major highways during high traffic times... or ponding of water on roadways.
Product Identifiers - ATLSPSFFC or WWUS82
This product is updated... as conditions warrant using another "Significant Weather Alert".
What is a "Flash Flood Warning"?
"Flash Flood Warning" - Bulletin issued when flash flooding is actually occurring or imminent in the warning area. It can be issued as a result of torrential rains, a dam failure, or ice jam.
"Flash Flood Statement" - Message issued after a Flash Flood Warning when flash flooding is actually occurring or imminent in a warning area. It is issued every one to six hours to update information provided in the previous Flash Flood Statement, or in the original Flash Flood Warning.
Product Identifiers - ATLFFSFFC or WGUS 72
This product is updated... with additional Flash Flood Statements.
What is a "Local Storm Report"?
"Local Storm Report" - Message providing brief details of specific storm damage.
Product Identifiers - ATLLSRFFC or NWUS52
This product is updated... if new information becomes available regarding a specific event previously reported, using another "Local Storm Report".
What is a "Public Information Statement"?
"Public Information Statement" - message used to distribute information regarding hydrometeorological events; public education;
National Weather Service (NWS) service changes, limitations or interruptions; and special guidelines for interpreting NWS data..
Product Identifiers - ATLPNSFFC or NWUS42
This product is updated... if new information becomes available regarding a specific event previously reported, using another "Public Information statement".
What is a "Flood Potential Outlook"?
"Flood Potential Outlook" - Bulletin issued to provide information about potential in the next few days for heavy rainfall which could cause flooding.
Product Identifiers - ATLESFFFC or FGUS 72
This product is updated... at least once every day with another "Flood Potential Outlook" or possibly with a "Flood Watch", unless the threat for flooding dissipates.
What is a "Flood Statement"?
"Flood Statement" - Bulletin issued to provide updated information about flooding along main stem rivers, or important creeks.
Product Identifiers - ATLFLSFFC or WGUS 82
This product is updated... at least once every day with another "Flood Statement" until water levels drop below flood stage, or the threat of flooding has ended.
What is a "Flood Watch"?
"Flood Watch" - Bulletin issued when expected rainfall could cause creeks, streams and/or rivers to overflow.
Product Identifiers - ATLFFAATL or WGUS 62
This product is updated... at least every 6 to 8 hours with another "Flood Watch" product until the threat of flooding has ended or until Flood Warnings have been issued.
What is a "Flood Warning" or "Areal Flood Warning"?
"Flood Warning" - a Flood Warning is bulletin issued when main stem rivers, or important creeks are expected to reach or exceed flood stage at specific sites.
"Areal Flood Warning" - an Areal Flood Warning is issued for highflow, overflow or inundation of a defined area, or when creeks and non-mainstem rivers are expected to flood or remain in flood after 6 hours and there is a threat to life or property and possible evacuations.
Product Identifiers - ATLFLWFFC or WGUS 42
This product is updated... at least once every day for main stem river flooding with a Flood Statement product until water levels drop below flood stage, or the threat of flooding has ended. For areal flooding an update may be issued on a much shorter time scale as conditions warrant.
What is a "Hazardous Weather Outlook"?
"Hazardous Weather Outlook" - Message providing details regarding our assessment of the potential for the occurrence of hazardous weather, such as lightning, flooding, significant visibility restrictions, damaging thunderstorms, tornadoes, etc.
Product Identifiers - ATLHWOATL or FLUS42
This product is updated... as expectations change, with another "Hazardous Weather Outlook".
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