PULSE STORM- Storm with a strong updraft due to strong instability release that develops in a weak shear environment. Pulse storms can produce brief severe weather.
Pulse Storm: A thunderstorm within which a brief period (pulse) of strong updraft occurs, during and immediately after which the storm produces a short episode of severe weather.
Pulse Storm - A thunderstorm that lasts for a brief period (pulse). If the storm contains strong updrafts, the storm can produce a short episode of severe weather.
A short-lived overshooting top, or one that forms and dissipates in cycles, may indicate the presence of a pulse storm. PenumbraIn solar-terrestrial terms, the sunspot area that may surround the darker umbra or umbrae.
The bottom sequence depicts the radar history of the severe pulse storm. Note that the initial radar echo in the pulse storm develops at higher levels than in the non-severe single cell storms.
A storm which undergoes only one cycle (pulse), and then dissipates, is known as a pulse storm.
Cyclogenesis - Development or intensification of a low-pressure center (cyclone).
A thunderstorm that undergoes cycles of intensification and weakening (pulses) tornadoes (i.e., a tornado family) and/or several bursts of severe weather. A storm that undergoes only one cycle (pulse), and then dissipates, is known as a pulse storm.
A persistent and/or large overshooting top (anvil dome) often is present on a supercell. A short-lived overshooting top, or one that forms and dissipates in cycles, may indicate the presence of a pulse storm or a cyclic storm.
weakening (pulses) while maintaining its individuality. Cyclic storms are capable of producing multiple tornadoes and/or several bursts of severe weather. A storm which undergoes only one cycle (pulse), and then dissipates, is known as a pulse storm.
Cyclic supercells are capable of producing multiple tornadoes (i.e., a tornado family) and/or several bursts of severe weather. A storm which undergoes only one cycle (pulse), and then dissipates, is known as a pulse storm.
 See also: Weather, Pulse, Storm, Severe weather, Updraft
  
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