Rossby number (1110 bytes)
1: ...ary [[rotation]]. It is also known as the ''Kibel number''.
9: ...unimportant and can be neglected. When the Rossby number is small, then the effects of planetary rotation ...
12: [[Category:Dimensionless numbers]]

Rossby parameter (827 bytes)
1: ...the Earth. It is important in the generation of [[Rossby wave]]s.
3: The Rossby parameter <math>\beta</math> is given by the equa...
11: ...]]), and should not be confused with the [[Rossby number]].

Rossby wave (2753 bytes)
2: ...mosphere]] in the [[1939]] by [[Carl-Gustaf Arvid Rossby]] who went on to explain their motion.
10: Rossby waves in the atmosphere are easy to observe as la...
15: ... [[Rossby parameter]], and ''k'' is the total wavenumber.
19: In the oceans, Rossby waves are responsible for the asymmetry of circul...
21: Rossby waves are generated by atmospheric forcing from [...

Carl-Gustav Arvid Rossby (2570 bytes)
1: '''Carl-Gustav Arvid Rossby''' ([[December 28]], [[1898]] &ndash; [[August 19...
3: Born in [[Stockholm]], [[Sweden]], Rossby developed an interest in [[meteorology]] and [[oc...
5: In [[1926]], Rossby moved to the [[USA]] to join the [[U.S. Weather B...
7: ... and characterised both the [[jet stream]], and [[Rossby wave]]s in the atmosphere.
9: During [[World War II]], Rossby organised the training of military meteorologists...

Carl-Gustaf Rossby Research Medal (445 bytes)
1: The '''Carl-Gustaf Rossby Research Medal''' is the highest award for
5: pioneer [[Carl-Gustaf Rossby]], who was also its second ([[1953]])

21 (number) (5142 bytes)
1: [[Category:Integers|2 1]] [[Category:Composite numbers|2 1]]
2: ... following [[20 (number)|20]] and preceding [[22 (number)|22]].
5: <tr><td colspan=2>{{numbers_20s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>twenty-one
7: <tr><td>[[Ordinal number|Ordinal]]<td>twenty-first

30 (number) (3491 bytes)
1: '''30''' ('''thirty''') is the [[natural number]] following [[twenty-nine|29]] and preceding [[th...
4: <tr><td colspan=2>{{numbers_30s}}
5: <tr><td>[[Cardinal number|Cardinal]]<td>thirty
6: <tr><td>[[Ordinal number|Ordinal]]<td>thirtieth
16: ...four squares, which makes it a [[square pyramidal number]].

50 (number) (3306 bytes)
1: [[Category:Integers]] [[Category:Composite numbers]]
2: ... following [[49 (number)|49]] and preceding [[51 (number)|51]].
5: <tr><td colspan=2 align=center>{{numbers_50s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>fifty
7: <tr><td>[[Ordinal number|Ordinal]]<td>50th (fiftieth)

45 (number) (3601 bytes)
1: [[Category:Integers]] [[Category:Composite numbers]]
2: ...ollowing [[44 (number)|44]] and followed by [[46 (number)|46]].
5: <tr><td colspan=2 align=center>{{numbers_40s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>forty-five
7: <tr><td>[[Ordinal number|Ordinal]]<td>45th (forty-fifth)

78 (number) (2653 bytes)
1: ...ollowing [[77 (number)|77]] and followed by [[79 (number)|79]].
4: <tr><td colspan=2>{{Numbers_70s}}
5: <tr><td>[[Cardinal number|Cardinal]] <td>seventy-eight
6: <tr><td>[[Ordinal number|Ordinal]]<td>78th (seventy-eighth)
15: ...es it a [[composite number#Sphenic number|sphenic number]].

-1 (number) (5662 bytes)
3: | colspan="2" | {{numbers (integers)}}
18: ...r than negative two (&minus;2) and less than [[0 (number)|0]].
20: ...ut slightly different properties to positive [[1 (number)|one]]. Negative one would be a multiplicative id...
24: .../sup> = 1/''x'', meaning that we define raising a number to the [[exponentiation|power]] &minus;1 to have ...
26: The two square roots of the real number negative one are the [[imaginary unit|imaginary u...

52 (number) (2492 bytes)
1: [[Category:Integers]] [[Category:Composite numbers]]
2: ... following [[51 (number)|51]] and preceding [[53 (number)|53]].
4: <tr><td colspan=2 align=center>{{numbers_50s}}
5: <tr><td>[[Cardinal number|Cardinal]] <td>fifty-two
6: <tr><td>[[Ordinal number|Ordinal]]<td>52nd (fifty-second)

33 (number) (3339 bytes)
1: [[Category:Integers]] [[Category:Composite numbers]]
2: '''33''' is the [[natural number]] following [[thirty-two|32]] and preceding [[thi...
5: <tr><td colspan=2>{{numbers_30s}}
6: <tr><td>[[Cardinal number|Cardinal]]<td>thirty-three
7: <tr><td>[[Ordinal number|Ordinal]]<td>33rd (thirty-third)

40 (number) (4417 bytes)
1: [[Category:Integers]] [[Category:Composite numbers]]
2: ...[[41 (number)|41]]. In English, forty is the only number whose constituent letters appear in alphabetical ...
5: <tr><td colspan=2 align=center>{{msg:numbers_40s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>forty
7: <tr><td>[[Ordinal number|Ordinal]]<td>40th (fortieth)

25 (number) (3429 bytes)
1: ... following [[24 (number)|24]] and preceding [[26 (number)|26]].
4: <tr><td colspan=2>{{numbers_20s}}
5: <tr><td>[[Cardinal number|Cardinal]] <td>twenty-five
6: <tr><td>[[Ordinal number|Ordinal]]<td>twenty-fifth
14: ...[centered octagonal number]] and an [[automorphic number]].

26 (number) (2844 bytes)
1: [[Category:Integers|2 6]] [[Category:Composite numbers|2 6]]
2: ... following [[25 (number)|25]] and preceding [[27 (number)|27]].
5: <tr><td colspan=2>{{numbers_20s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>twenty-six
7: <tr><td>[[Ordinal number|Ordinal]]<td>twenty-sixth

29 (number) (2898 bytes)
2: ... following [[28 (number)|28]] and preceding [[30 (number)|30]].
5: <tr><td colspan=2>{{numbers_20s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>twenty-nine
7: <tr><td>[[Ordinal number|Ordinal]]<td>twenty-ninth
8: <tr><td>[[Factorization]]<td>''[[prime number|prime]]''

28 (number) (3851 bytes)
1: [[Category:Composite numbers|2 8]] [[Category:Integers|2 8]]
2: [[Category:Perfect numbers|28]]
3: ... following [[27 (number)|27]] and preceding [[29 (number)|29]].
6: <tr><td colspan=2>{{numbers_20s}}
7: <tr><td>[[Cardinal number|Cardinal]] <td>twenty-eight

38 (number) (2347 bytes)
1: ... following [[37 (number)|37]] and preceding [[39 (number)|39]].
4: <tr><td colspan=2>{{numbers_30s}}
5: <tr><td>[[Cardinal number|Cardinal]] <td>thirty-eight
6: <tr><td>[[Ordinal number|Ordinal]]<td>38th (thirty-eighth)
22: *The [[atomic number]] of [[strontium]]

27 (number) (3296 bytes)
1: [[Category:Integers|2 7]] [[Category:Composite numbers|2 7]]
2: ... following [[26 (number)|26]] and preceding [[28 (number)|28]]. Twenty-seven is the smallest positive inte...
5: <tr><td colspan=2>{{numbers_20s}}
6: <tr><td>[[Cardinal number|Cardinal]] <td>twenty-seven
7: <tr><td>[[Ordinal number|Ordinal]]<td>twenty-seventh

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