Redevelopment of strong to severe thunderstorms along with torrential rainfall generally south of Hwy 80 – I-85 will occur between 1 pm and 8 pm Thursday. This will be a prolonged threat of severe weather so remain diligent in making sure you have at least two methods to receive warnings, one of which does NOT include an outdoor warning siren. The next wave of storms will enter the western portions of the state by early afternoon and intensify, with the severe threat ending across the northern half of the state around 12 am Thursday and the southern half around 5 am. In addition, torrential rainfall could lead to flash flooding and Flood Watches are in effect across much of the state into Thursday.įor the remainder of this morning, a few storms could produce damaging straight-line wind damage and hail up to quarter size. There is the potential for a few tornadoes including EF2+, pockets of straight-line wind gusts of 80 mph causing significant damage, and hail up to baseball size south of I-20. In a setup more like spring, multiple waves of thunderstorms moving across the state from early this morning through early Thursday will have a severe weather threat, especially this afternoon into tonight.
#Noaa weather gov code#
The code lists documented on these web pages are specific to MADIS data assimilation and quality control processes and procedures.Ī list of meterological and hydrological phenomena which present threats to human life and property.By Jim Stefkovich, Meteorologist, Alabama Emergency Management AgencyĬLANTON – Wednesday, 5:00 am June 14, 2023 Meteorological Assimilation Data Ingest System (MADIS) is a meteorological observational database and data delivery system that provides observations that cover the globe. The code lists documented on these web pages are designed to support the encoding of US TAFs. National Weather Service Instruction (NWSI) 10-813, Terminal Aerodrome Forecasts is maintained by the United States National Weather Service. The code lists documented on these web pages are designed to support the encoding of US SIGMETs and AIRMETs. National Weather Service Instruction (NWSI) 10-811, Enroute Forecasts and Advisories is maintained by the United States National Weather Service. The code lists documented on these web pages are designed to support the encoding of Meteorologicall Impact Statements and Center Weather Advisories. National Weather Service Instruction (NWSI) 10-803, Support to Air Traffic Control Facilities, is maintained by the United States National Weather Service. The code lists documented on these web pages are designed to support the encoding of US Watches and Outlooks. National Weather Service Instruction (NWSI) 10-512, National Severe Weather Products Specifications, is maintained by the United States National Weather Service. The code lists documented on these web pages are designed to support the encoding of US Warnings, Advisories and Statements. National Weather Service Instruction (NWSI) 10-511, WFO Severe Weather Products Specifications, is maintained by the United States National Weather Service. The code lists documented on these web pages are designed to support the encoding of US Weather Discussions and Forecasts. National Weather Service Instruction (NWSI) 10-503, WFO Public Weather Forecast Products Specifications, is maintained by the United States National Weather Service. The code lists documented on these web pages are designed to support the encoding of AIREP and PIREP reports.
The code lists documented here also include codes from FAA Flight Services Chapter 7, International Operations, Section 1, Messages and Formats.
#Noaa weather gov manual#
The code lists documented here also include Air Force Manual 15-111, Surface Weather Observations.įederal Meteorological Handbook Number 12, United States Meteorological Codes and Coding Practices, is maintained by the United States Office of the Federal Coordinator for Meteorology. The top level of organization reflects the documents that regulate the Traditional Alphanumeric Code (TAC) versions of these products.įederal Meteorological Handbook Number 1, Surface Weather Observations is maintained by the United States Office of the Federal Coordinator for Meteorology. The links in the following table provide access to the code lists developed to support not only the US extensions to the ICAO Meteorological Information Exchange Model (IWXXM IWXXM-US) but products unique to the United States Meteorological Services. The NWS code list pages will only document local use information that is not available in the WMO registry. The World Meteorological Organization (WMO) maintains a WMO Codes Registry where many other useful codes are documented. These pages support the exchange of US products encoded in XML and other encoding schemes.
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