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@@ 437-450 (lines=14) @@
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| 434 |
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parcel_prof = parcel_profile(p, temperature[0], dewpoint[0]).to('degC') |
| 435 |
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cape, cin = cape_cin(p, temperature, dewpoint, parcel_prof) |
| 436 |
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assert_almost_equal(cape, 0.0 * units('joule / kilogram'), 6) |
| 437 |
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assert_almost_equal(cin, 0.0 * units('joule / kilogram'), 6) |
| 438 |
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| 439 |
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| 440 |
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def test_find_append_zero_crossings(): |
| 441 |
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"""Tests finding and appending zero crossings of an x, y series.""" |
| 442 |
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x = np.arange(11) * units.hPa |
| 443 |
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y = np.array([3, 2, 1, -1, 2, 2, 0, 1, 0, -1, 2]) * units.degC |
| 444 |
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x2, y2 = _find_append_zero_crossings(x, y) |
| 445 |
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| 446 |
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x_truth = np.array([0., 1., 2., 2.5, 3., 3.33333333, 4., 5., |
| 447 |
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6., 7., 8., 9., 9.33333333, 10.]) * units.hPa |
| 448 |
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y_truth = np.array([3, 2, 1, 0, -1, 0, 2, 2, 0, 1, 0, -1, 0, 2]) * units.degC |
| 449 |
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assert_array_almost_equal(x2, x_truth, 6) |
| 450 |
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assert_almost_equal(y2, y_truth, 6) |
| 451 |
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| 452 |
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| 453 |
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def test_most_unstable_parcel(): |
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@@ 561-573 (lines=13) @@
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| 558 |
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tmp[2, :] = 290 |
| 559 |
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tmp[3, :] = 288. |
| 560 |
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tmpk = tmp * units.kelvin |
| 561 |
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isentlev = [296., 297] * units.kelvin |
| 562 |
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isentprs = isentropic_interpolation(isentlev, lev, tmpk) |
| 563 |
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trueprs = 936.18057 * units.hPa |
| 564 |
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assert_almost_equal(isentprs[0][1], trueprs, 3) |
| 565 |
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| 566 |
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| 567 |
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def test_isentropic_pressure_adition_args_interp(): |
| 568 |
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"""Test calculation of isentropic pressure function, additional args.""" |
| 569 |
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lev = [100000., 95000., 90000., 85000.] * units.Pa |
| 570 |
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tmp = np.ones((4, 5, 5)) |
| 571 |
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tmp[0, :] = 296. |
| 572 |
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tmp[1, :] = 292. |
| 573 |
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tmp[2, :] = 290. |
| 574 |
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tmp[3, :] = 288. |
| 575 |
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rh = np.ones((4, 5, 5)) |
| 576 |
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rh[0, :] = 100. |
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@@ 525-537 (lines=13) @@
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| 522 |
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tmp[2, :] = 290. |
| 523 |
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tmp[3, :] = 288. |
| 524 |
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tmpk = tmp * units.kelvin |
| 525 |
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isentlev = [296.] * units.kelvin |
| 526 |
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isentprs = isentropic_interpolation(isentlev, lev, tmpk, tmpk_out=True) |
| 527 |
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truetmp = 296. * units.kelvin |
| 528 |
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assert_almost_equal(isentprs[1], truetmp, 3) |
| 529 |
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| 530 |
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| 531 |
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def test_isentropic_pressure_p_increase_rh_out(): |
| 532 |
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"""Test calculation of isentropic pressure function, p increasing order.""" |
| 533 |
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lev = [85000., 90000., 95000., 100000.] * units.Pa |
| 534 |
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tmp = np.ones((4, 5, 5)) |
| 535 |
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tmp[0, :] = 288. |
| 536 |
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tmp[1, :] = 290. |
| 537 |
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tmp[2, :] = 292. |
| 538 |
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tmp[3, :] = 296. |
| 539 |
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tmpk = tmp * units.kelvin |
| 540 |
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rh = np.ones((4, 5, 5)) |
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@@ 489-501 (lines=13) @@
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| 486 |
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tmp[2, :] = 292. |
| 487 |
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tmp[3, :] = 296. |
| 488 |
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tmpk = tmp * units.kelvin |
| 489 |
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isentlev = [296.] * units.kelvin |
| 490 |
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isentprs = isentropic_interpolation(isentlev, lev, tmpk) |
| 491 |
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trueprs = 1000. * units.hPa |
| 492 |
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assert_almost_equal(isentprs[0], trueprs, 3) |
| 493 |
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| 494 |
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| 495 |
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def test_isentropic_pressure_adition_args(): |
| 496 |
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"""Test calculation of isentropic pressure function, additional args.""" |
| 497 |
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lev = [100000., 95000., 90000., 85000.] * units.Pa |
| 498 |
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tmp = np.ones((4, 5, 5)) |
| 499 |
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tmp[0, :] = 296. |
| 500 |
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tmp[1, :] = 292. |
| 501 |
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tmp[2, :] = 290. |
| 502 |
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tmp[3, :] = 288. |
| 503 |
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rh = np.ones((4, 5, 5)) |
| 504 |
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rh[0, :] = 100. |
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@@ 453-465 (lines=13) @@
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| 450 |
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assert_almost_equal(y2, y_truth, 6) |
| 451 |
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| 452 |
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| 453 |
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def test_most_unstable_parcel(): |
| 454 |
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"""Tests calculating the most unstable parcel.""" |
| 455 |
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levels = np.array([1000., 959., 867.9]) * units.mbar |
| 456 |
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temperatures = np.array([18.2, 22.2, 17.4]) * units.celsius |
| 457 |
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dewpoints = np.array([19., 19., 14.3]) * units.celsius |
| 458 |
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ret = most_unstable_parcel(levels, temperatures, dewpoints, depth=100 * units.hPa) |
| 459 |
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assert_almost_equal(ret[0], 959.0 * units.hPa, 6) |
| 460 |
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assert_almost_equal(ret[1], 22.2 * units.degC, 6) |
| 461 |
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assert_almost_equal(ret[2], 19.0 * units.degC, 6) |
| 462 |
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| 463 |
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| 464 |
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def test_isentropic_pressure(): |
| 465 |
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"""Test calculation of isentropic pressure function.""" |
| 466 |
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lev = [100000., 95000., 90000., 85000.] * units.Pa |
| 467 |
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tmp = np.ones((4, 5, 5)) |
| 468 |
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tmp[0, :] = 296. |
Unidata /
MetPy
