SKIP,CONTENT,SIDEBAR,CLOSE,NSSL,OVERVIEW,ORGANIZATION,VORTEX,AWARDS,SCIENTIFIC,CHALLENGES,LAB,REVIEW,EVENTS,VISITOR,INFO,WEATHER RESEARCH,TORNADOES,FLOODING,LIGHTNING,HAIL,WINDS,WINTER,TOOLS,RADAR,OBSERVATION,SIMULATION,DECISION,SUPPORT,WARNING,FORECAST,PROJECTS,FACETS,MPAR,FLASH,FIELD,PEOPLE,STAFF,DIRECTORY,PUBLICATIONS,JOBS,STUDENTS,MEDIA,NEWS BLOG,VIDEO,PODCASTS,FACT SHEETS,RESOURCES,EDUCATION,WEATHER,EDUCATORS,EVERYONE,THE NATIONAL,STORMS,LABORATORY,LEARNING,THUNDERSTORM,BASICS,WHAT WE DO,READ,RESEARCH,HERE,RAIN SHOWER,HEAR,THUNDER,COMES,SOMETIMES,THE WORD,CONVECTION,SURFACE HEATING,UPWARD,ATMOSPHERIC,MOTION,WHATEVER,MOISTURE,AVAILABLE,SEVERE THUNDERSTORM,CLASSIFIED,INCH,GREATER,IN EXCESS,KNOTS,TORNADO,HOW MANY,WORLDWIDE,MOMENT,IN PROGRESS,THE U S,ALONE,REACH,THE SPRING,SUMMER,MONTHS,AFTERNOON,EVENING,HOURS,YEAR ROUND,AT ALL,THE GULF,COAST,SOUTHEASTERN,WESTERN STATES,AT NIGHT,THE PLAINS STATES,DAMAGE,CAUSE,HAZARDOUS,THE RIGHT,CONDITIONS,RAINFALL,CAUSES,FLASH FLOODING,KILLING,HURRICANES,FIRES,AROUND THE WORLD,UP TO,SIZE,DAMAGES,WINDOWS,KILLS,LIVESTOCK,CAUGHT,OUT IN THE OPEN,STRONG,STRAIGHT LINE WINDS,KNOCK,DOWN,TREES,POWER LINES,MOBILE HOMES,DESTROY,THE BEST,MAN MADE,STRUCTURES,COMMON,GREATEST,THREAT,TEXAS,SOUTHERN,MINNESOTA,NO PLACE,THE UNITED STATES,SAFE,THE THREAT,THE DIFFERENCE,SEVERE THUNDERSTORM WATCH,SEVERE THUNDERSTORM WARNING,NOAA,STORM PREDICTION CENTER,WATCHING,THE WEATHER,ENTIRE,WATCH,COVER,PARTS,STATE,PREPARE,NOAA WEATHER RADIO,YOUR,LOCAL,NOAA NATIONAL WEATHER SERVICE,OFFICE,DESIGNATED,AREA,REPORTED,MEAN,TO LIFE,PROPERTY,IN THE PATH OF THE STORM,ACT NOW,FIND,SHELTER,COUNTIES,THE PATH,DANGER,INGREDIENTS,RISING,UNSTABLE,KEEPS,NUDGE,LIFTING,MECHANISM,THE SUN,THE SURFACE,THE EARTH,ABOVE,SURFACE,FORCED,RISE,HILLS,MOUNTAINS,AREAS,COLD,BUMP,CONTINUE,AS IT,LESS,STAYS,RISES,HEAT,UPPER,THE ATMOSPHERE,THE PROCESS,WATER VAPOR,BEGINS,COOL,THE HEAT,CLOUD,THE CLOUD,EVENTUALLY,TEMPERATURE,BELOW,FREEZING,STORM,ICE,PARTICLES,LIQUID,DROPS,GROW,VAPOR,FROST,COLLECTING,SMALLER,HAVENT,FROZEN,SUPERCOOLED,BOUNCE,EACH OTHER,PARTICLE,RIP OFF,LITTLE BIT,THE OTHER ONE,GRAB,ELECTRIC CHARGE,LOTS,COLLISIONS,BUILD UP,REGIONS,ELECTRIC CHARGES,BOLT OF LIGHTNING,CREATES,THE SOUND,WAVES,THE THUNDERSTORM,LIFE CYCLE,STAGES,STAGE,MATURE,DISSIPATING,MARKED,CUMULUS CLOUD,PUSHED,COLUMN,SOON,LOOKS,TOWER,TOWERING CUMULUS,DEVELOP,LITTLE,NO RAIN,FEED,THE STORM,PRECIPITATION,FALL OUT,RAIN,COOLED,THE GROUND,GUST FRONT,HEAVY RAIN,AMOUNT,BEGINNING,MOVES,LONG DISTANCE,CUTS,FEEDING,INTENSITY,REMAINS,LOOK LIKE,TALL,HEADS,CAULIFLOWER,ANVIL,FLAT,CLOUD FORMATION,WARM AIR,REACHED,POINT,STOPS,SHAPE,DETECTION,FORECASTING,FLOODS,WIND,WILDLIFE,NATIONAL SEVERE STORMS,LABORATORY 12,DAVID,BLVD,NORMAN OK,DEPARTMENT OF,COMMERCE,NATIONAL OCEANIC,ADMINISTRATION,OFFICE OF OCEANIC,ATMOSPHERIC RESEARCH,CONNECT,FACEBOOK,TWITTER,INSTAGRAM,YOUTUBE,FLICKR,