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 strengthened into a hurricane Monday afternoon and is making its way to the Yucatan Peninsula. Zeta is forecast to be at or near hurricane strength when it approaches the northern Gulf Coast on Wednesday, and there is an increasing risk of dangerous storm surge, wind, and rainfall impacts from Louisiana to the Florida Panhandle. Power outages will last for weeks to possibly months. A storm with a tornado observed by radar has certain distinguishing features and forecasters are trained to recognize them. Fallen trees and power poles will isolate residential areas. NWS forecasters could quickly review warnings and check their accuracy with this system. Local and national elections & political news, delivered to your inbox. WHILE IT GETS HERE LATE ON WEDNESDAY, BY 8:00 A.M. ON THURSDAY, IT IS ALL THE WAY UP IN MISSISSIPPI, MOVING INTO ALABAMA AND ACROSS THE TENNESSEE VALLEY AND THEN OUT OF OUR AREA. Most trees will be snapped or uprooted and power poles downed. Forecasters and storm spotters have learned to recognize certain thunderstorm features and structure that make tornado formation more likely. SOME OF THE WEATHER TAKING PLACE ACROSS THE COUNTRY AS A RESULT OF THE TEMPERATURES, 10, 11, 12 DEGREES ACROSS THE AREA, FREEZE WARNINGS IN PLACE, SNOWFALL IN PLACES IN OKLAHOMA. After a record warm Friday, the forecast takes a turn heading into the weekend. YOU CAN TELL THAT BECAUSE THE CENTER IS RIGHT IN HERE, BUT A LOT OF THE CONVECTION IS TO THE SOUTHEAST OF THE SYSTEM. NOAA and Weather.gov put together the following information that explains how each storm category is defined and what type of damage is expected. IT IS DOWN IN THE CARIBBEAN. In this display, the circle is a mesocyclone, and the triangle is the TVS. NOAA and Weather.gov put together the following information that explains how each storm category is defined and what type of damage is expected.Tropical DepressionA tropical depression is a tropical cyclone that has maximum sustained surface winds (one-minute average) of 38 mph or less.Tropical StormA tropical storm is a tropical cyclone that has maximum sustained surface winds ranging from 39-73 mph.Category 1: Sustained winds of 74-95 mphVery dangerous winds will produce some damage: Well-constructed frame homes could have damage to roof, shingles, vinyl siding and gutters. Many trees will be snapped or uprooted, blocking numerous roads. Once it emerges in the Gulf, conditions will be less favorable for additional strengthening and it could make landfall as a strong tropical storm Wednesday afternoon. APP USERS: Tap here for the full experience. A mesocyclone is usually 2-6 miles in diameter, and is much larger than the tornado that may develop within it. Please read the NOAA National Severe Storms Laboratory A “hook echo” describes a pattern in radar reflectivity images that looks like a hook extending from the radar echo, usually in the right-rear part of the storm (relative to the motion of the storm). WE ARE IN THE MID TO UPPER 70’S. Below is an explanation so you properly plan for an emergency in the event of a natural disaster. This led to an NSSL scientist's discovery of the Tornadic Vortex Signature in radar velocity data in the 1970s. WE WILL PROBABLY SEE SOME OF THE IMPACTS FROM THIS STORM LATE ON TUESDAY, AND DEFINITELY ON WEDNESDAY, WITH IT GETTING CLOSE TO US, IF NOT LANDING CLOSE TO US ON WEDNESDAY, IN THE LATE AFTERNOON, EVENING TIME. Most trees will be snapped or uprooted and power poles downed. The first direct measurements of a tornado recorded with an airborne Doppler radar were made by NSSL. AND THEN MOVING OVER THE WESTERN EDGE OF SOUTHEAST LOUISIANA. If you think something is wrong, you can reload the page. The Weather Channel and weather.com provide a national and local weather forecast for cities, as well as weather radar, report and hurricane coverage contiguous United States. Extensive damage to power lines and poles likely will result in power outages that could last a few to several days.Category 2: 96-110 mphExtremely dangerous winds will cause extensive damage: Well-constructed frame homes could sustain major roof and siding damage. THERE IS SOME WINDSHEAR EXPECTED TO HAVE AN IMPACT ON THIS SYSTEM AS AGAINST CLOSER AND CLOSER TO US HERE IN SOUTHEAST LOUISIANA. Near-total power loss is expected with outages that could last from several days to weeks.Category 3: 111-129 mph (Major Hurricane)Devastating damage will occur: Well-built framed homes may incur major damage or removal of roof decking and gable ends. Category 4: 130-156 mph (Major Hurricane). US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Duluth, MN 5027 Miller Trunk Highway Duluth, MN 55811-1442 NSSL has used an airborne Doppler radar (installed on NOAA's P-3 research aircraft) to study storms. Power outages will last weeks to possibly months. DAMON: WE ARE ONCE AGAIN IN THE CONE. A Slight Risk of Severe Thunderstorms is Forecast Today and/or Tonight Threat for a few severe storms capable of damaging wind, hail and perhaps a tornado or two will exist this afternoon into the early evening over a portion of the lower Great Lakes and Ohio Valley. watches which are in effect over the contiguous United States. Please read the, This is day 3-8 forecast for organized wildfires over the contiguous which are in effect over the contiguous United States. Power outages will last for weeks to possibly months. THERE IS POTENTIAL FOR SOME SHOWERS THIS AFTERNOON, BUT ONLY A SMALL CHANCE OF THAT HAPPENING. The data was used to map the structure of a tornadic storm at several altitudes. Please read the, This is tomorrow's forecast for organized severe thunderstorms over the NSSL made the first observations of a tornadic storm with two Doppler radars (called dual-Doppler). THURSDAY MORNING, 70 MILE-PER-HOUR IS A POSSIBILITY. The NTDA provides an operations update to the Tornado Detection Algorithm, also developed at NSSL, which is currently in use. THE REASON WHY IT WILL NOT INTENSIFY TOO MUCH MORE, OR IT IS NOT EXPECTED TO, ANYWAY, IS BECAUSE ALL OF THE DRY AIR OVER THE GULF OF MEXICO. NSSL researchers discovered the Tornado Vortex Signature (TVS), a Doppler radar velocity pattern that indicates a region of intense concentrated rotation. EVERYONE IS SAYING, HERE WE GO AGAIN. United States. What we do: NSSL developed the WSR-88D Mesoscale Detection Algorithm to analyze radar data and look for a rotation pattern meeting specific criteria for size, strength, vertical depth, and duration. Dual-polarization radar technology, installed on NWS radars, can detect the presence of random shaped and sized targets like leaves, insulation or other debris. Fallen trees and power poles will isolate residential areas. read about the, This is the current graphic showing any mesoscale discussions (MD's) The Department of Commerce recognized NSSL's contribution to the NEXRAD program and to our Nation by awarding a Gold Medal to NSSL. You can also use the normal severe weather map page which has the same data but does not automatically update. Many trees will be snapped or uprooted, blocking numerous roads. WHAT IS THE SAME ABOUT THEM IS THEY ARE MOVING QUICKLY ACROSS THE AREA. Radar on the map will automatically refresh every 5 minutes. Near-total power loss is expected with outages that could last from several days to weeks. The NTDA uses machine learning to evaluate storm criteria and calculates the probability of whether a tornado is present with each detection. Tropical storms and hurricanes each have two descriptors, a watch and a warning. And things tend to break. Today, circulation maps are available as part of the multi-radar, multi-sensor (MRMS) system developed at NSSL. Most of the area will be uninhabitable for weeks or months. NSSL built the first real-time displays of Doppler velocity data. Please read about the the purpose of our watches for further information. The Oklahoma Weather Alert Remote Notification (OK-WARN) program provides deaf and hard-of-hearing Oklahomans access to emergency severe weather information via alphanumeric pagers and/or E-mail addresses.

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