27:
200:
125:
167:
The life cycle of these clouds is fast because the updraft which forms them is most often cut off by the descent of precipitation. In addition, these clouds flow with atmospheric circulation and spend little time above a point on the ground. This explains the variations in intensity and the short
219:. This permits the displacement of electric charges from the bottom to the top that will create lightning and thunder. The showers associated with this kind of clouds are therefore called
175:
They will melt and give raindrops if the temperature rises above it in a deep layer between the cloud and the ground. If the layer is not deep enough, it can produce snow pellets showers.
337:
486:
144:
in a colder environment at altitude will cool but according to the adiabatic thermal gradient forming clouds, and later precipitation above the
183:
On the other hand, raindrops might form in a strong updraft in a convective cloud, even at temperature below freezing in the cloud (
245:, often found along and behind it. However they can be embedded into a continuous rain episode when there is presence of band of
241:
Showers come from individual clouds as well as from groups of these. In mid-latitude regions, showers are often associated with
925:
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346:
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54:
characterized by an abrupt start and end and by rapid variations in intensity. Often strong and short-lived, it comes from
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duration of the showers. The type of precipitation will depend on the temperature structure in the cloud and below it:
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164:, the latter giving short-lived precipitation of rain, snow or ice pellets changing in intensity, i.e. showers.
843:
675:
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590:
172:
In winter, when the temperature in the cloud is below freezing (0 °C), snowflakes will be generated:
904:
250:
838:
595:
140:, becomes heated more than its surroundings and in turn leading to significant evaporation. The raised
818:
752:
580:
190:
Finally, droplets can form and fall in an above freezing layer in other seasons, giving rain showers.
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930:
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59:
20:
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Convection occurs when the Earth's surface, especially within a conditionally unstable or moist
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if the temperature is below it at some point. In a meteorological observation, such as the
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in an otherwise stable air mass. They can also be part of large convection zones called
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Or remain as snow showers, or flurry, if the temperature remains below freezing.
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and other violent phenomena are associated with this type of convection.
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If the convection is more intense, it leads to the formation of
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if the temperature is above the freezing point in the cloud, or
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203:A violent electrical storm results from convective
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128:Vertical motion of the air parcel with a given
187:) and freeze later, giving ice pellet showers.
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629:Convective available potential energy (CAPE)
132:resulting into a convective cloud formation.
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473:
198:
123:
25:
918:
468:
347:Environment and Climate Change Canada
272:
270:
150:convective available potential energy
591:Convective condensation level (CCL)
13:
797:Equivalent potential temperature (
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236:
14:
947:
649:Conditional symmetric instability
495:Meteorological data and variables
247:conditional symmetric instability
16:Sudden and brief rain or snowfall
596:Lifting condensation level (LCL)
334:Meteorological Service of Canada
306:Meteorological Service of Canada
581:Cloud condensation nuclei (CCN)
432:American Meteorological Society
404:American Meteorological Society
376:American Meteorological Society
286:American Meteorological Society
844:Wet-bulb potential temperature
686:Level of free convection (LFC)
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388:
360:
326:
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1:
926:Severe weather and convection
887:Pressure-gradient force (PGF)
809:Sea surface temperature (SST)
644:Convective momentum transport
349:. p. 148. Archived from
260:
701:Bulk Richardson number (BRN)
113:
7:
905:Maximum potential intensity
671:Free convective layer (FCL)
634:Convective inhibition (CIN)
448:
251:mesoscale convective system
152:(CAPE), the clouds will be
10:
952:
839:Wet-bulb globe temperature
696:Maximum parcel level (MPL)
194:
117:
18:
895:
857:
819:Thermodynamic temperature
753:Forest fire weather index
709:
619:
566:
500:
146:lifted condensation level
741:Equivalent temperature (
654:Convective temperature (
538:Surface weather analysis
215:which have a very large
148:(LCL). Depending on the
62:. A shower will produce
788:Potential temperature (
533:Surface solar radiation
21:Shower (disambiguation)
778:Relative humidity (RH)
666:Equilibrium level (EL)
639:Convective instability
208:
133:
43:
202:
127:
29:
867:Atmospheric pressure
834:Wet-bulb temperature
736:Dry-bulb temperature
731:Dew point depression
90:giving respectively
19:For other uses, see
829:Virtual temperature
814:Temperature anomaly
508:Adiabatic processes
310:"METAR Study Guide"
213:cumulonimbus clouds
601:Precipitable water
217:vertical extension
209:
134:
44:
913:
912:
882:Pressure gradient
691:Lifted index (LI)
162:cumulus congestus
158:cumulus mediocris
86:, they are noted
60:cumulus congestus
56:convective clouds
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931:Weather hazards
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314:meteocentre.com
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237:Showery systems
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154:cumulus humilis
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824:Vapor pressure
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368:"Snow pellets"
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356:on 2013-03-13.
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221:thundershowers
207:above the LCL.
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118:Main article:
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32:Reignier-Esery
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936:Precipitation
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877:Barotropicity
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606:Precipitation
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424:"Ice Pellets"
419:
405:
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397:
396:"Snow shower"
391:
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228:
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226:thunderstorms
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120:Precipitation
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52:precipitation
50:is a mode of
49:
41:
37:
33:
28:
22:
798:
789:
783:Mixing ratio
758:Haines Index
742:
720:
655:
568:Condensation
455:April shower
435:. Retrieved
428:AMS Glossary
427:
418:
407:. Retrieved
400:AMS Glossary
399:
390:
379:. Retrieved
372:AMS Glossary
371:
362:
351:the original
338:
328:
317:. Retrieved
313:
300:
289:. Retrieved
282:AMS Glossary
281:
240:
224:
220:
210:
205:cumulonimbus
185:Supercooling
166:
135:
130:mixing ratio
107:
103:
99:
95:
91:
87:
76:snow pellets
47:
45:
36:Haute-Savoie
872:Baroclinity
719:Dew point (
711:Temperature
611:Water vapor
255:squall line
243:cold fronts
72:ice pellets
920:Categories
849:Wind chill
763:Heat index
621:Convection
558:Wind shear
543:Visibility
523:Lapse rate
437:2020-01-01
409:2020-01-01
381:2020-01-01
319:2020-01-01
291:2020-01-01
261:References
253:such as a
142:air parcel
138:atmosphere
30:Shower in
548:Vorticity
528:Lightning
513:Advection
460:Sunshower
160:and then
114:Formation
897:Velocity
859:Pressure
773:Humidity
676:Helicity
518:Buoyancy
449:See also
336:(2013).
278:"Shower"
768:Humidex
681:K Index
501:General
195:Extreme
58:, like
339:MANOBS
48:shower
40:France
576:Cloud
354:(PDF)
343:(PDF)
84:METAR
553:Wind
231:Hail
108:SHGR
106:and
104:SHGS
100:SHPL
96:SHSN
92:SHRA
80:hail
68:snow
64:rain
586:Fog
223:or
922::
430:.
426:.
402:.
398:.
374:.
370:.
345:.
312:.
308:.
284:.
280:.
269:^
257:.
229:.
156:,
110:.
102:,
98:,
94:,
88:SH
78:/
74:/
70:/
46:A
38:,
34:,
804:)
802:e
799:θ
792:)
790:θ
748:)
746:e
743:T
726:)
724:d
721:T
661:)
659:c
656:T
488:e
481:t
474:v
440:.
412:.
384:.
322:.
294:.
42:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
