UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042511.upa.cvt Date: 1100Z 25 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 25 APR 25 Station: NFFN WMO ident: 91680 Latitude: -17.75 Longitude: 177.45 Elevation: 18.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1017 18 23.2 23.2 100 0.0 23.2 0 0 294.9 298.1 295.8 346.2 17.87 1 1002 138 26.0 20.0 70 6.0 21.8 106 11 299.0 301.7 294.8 342.2 14.85 2 1000 154 26.0 20.0 70 6.0 21.8 120 12 299.1 301.9 294.9 342.5 14.88 3 925 837 21.0 17.1 78 3.9 18.4 100 17 300.8 303.2 294.3 340.1 13.38 4 917 912 20.4 16.6 79 3.8 17.8 100 18 300.9 303.3 294.1 339.3 13.07 5 858 1487 18.6 11.6 64 7.0 14.1 123 12 304.8 306.7 293.0 334.9 10.05 6 850 1568 19.0 7.0 46 12.0 11.8 125 12 306.0 307.4 291.3 328.5 7.41 7 815 1928 17.6 3.6 39 14.0 9.6 119 16 308.3 309.4 290.9 327.0 6.09 8 722 2952 11.4 2.4 54 9.0 6.3 93 15 312.3 313.5 292.3 332.0 6.31 9 705 3151 10.4 0.4 50 10.0 4.9 82 12 313.4 314.4 292.0 330.9 5.59 10 700 3210 10.4 -2.6 40 13.0 3.7 75 11 314.0 314.9 291.2 328.3 4.51 11 690 3330 10.8 -3.2 37 14.0 3.6 67 10 315.7 316.6 291.6 329.7 4.38 12 672 3549 9.4 -4.6 37 14.0 2.4 25 4 316.6 317.3 291.6 329.6 4.04 13 653 3786 7.4 1.4 66 6.0 4.0 11 1 316.9 318.2 293.7 337.5 6.50 14 639 3964 7.6 -6.4 36 14.0 0.8 29 3 319.1 319.8 292.0 331.2 3.71 15 636 4003 7.0 1.0 66 6.0 3.7 33 4 318.9 320.1 294.2 339.6 6.48 16 625 4146 5.8 -2.2 56 8.0 1.6 46 5 319.1 320.1 293.3 335.9 5.21 17 610 4345 5.6 -18.4 16 24.0 -3.3 57 7 321.1 321.4 290.6 326.1 1.47 18 589 4630 4.0 -31.0 6 35.0 -5.8 40 6 322.4 322.5 290.0 324.2 0.49 19 585 4685 3.6 -30.4 6 34.0 -6.1 37 6 322.6 322.7 290.1 324.5 0.52 20 583 4713 3.6 -25.4 10 29.0 -5.6 36 6 322.9 323.1 290.5 325.9 0.83 21 564 4981 1.4 -21.6 16 23.0 -6.4 20 5 323.4 323.6 291.0 327.6 1.20 22 551 5168 -0.3 -7.3 59 7.0 -3.6 10 5 323.6 324.4 293.5 336.8 4.01 23 542 5300 -0.3 -12.3 40 12.0 -5.4 2 5 325.1 325.6 292.9 334.4 2.74 24 523 5584 -2.9 -7.9 68 5.0 -5.2 346 4 325.3 326.1 294.0 338.7 4.04 25 521 5614 -3.1 -9.1 63 6.0 -5.8 344 4 325.4 326.1 293.7 337.7 3.69 26 519 5644 -2.5 -18.5 28 16.0 -8.2 342 4 326.5 326.8 292.4 332.4 1.71 27 517 5675 -2.3 -21.3 22 19.0 -8.7 340 4 327.1 327.4 292.2 331.8 1.35 28 504 5877 -3.1 -35.1 6 32.0 -10.9 329 3 328.5 328.6 291.7 330.0 0.38 29 500 5940 -3.7 -30.7 10 27.0 -10.9 325 3 328.5 328.6 291.9 330.7 0.59 30 491 6084 -4.9 -32.9 9 28.0 -11.9 324 4 328.8 328.9 291.9 330.6 0.49 31 488 6132 -5.5 -17.5 38 12.0 -9.9 324 4 328.6 329.0 293.2 335.5 1.98 32 485 6180 -5.9 -18.9 35 13.0 -10.5 323 4 328.7 329.1 293.0 334.9 1.77 33 483 6213 -5.7 -36.7 7 31.0 -12.7 323 5 329.3 329.4 291.9 330.6 0.34 34 479 6278 -5.9 -34.9 8 29.0 -12.8 323 5 329.9 330.0 292.1 331.4 0.41 35 477 6311 -6.3 -20.3 32 14.0 -11.1 322 5 329.8 330.1 293.2 335.4 1.60 36 474 6361 -6.3 -37.3 7 31.0 -13.2 322 5 330.4 330.4 292.2 331.6 0.33 37 456 6663 -8.3 -34.3 10 26.0 -14.3 320 7 331.5 331.6 292.6 333.3 0.46 38 453 6714 -8.7 -23.7 29 15.0 -13.3 319 7 331.7 331.9 293.3 336.1 1.25 39 448 6801 -9.3 -39.3 7 30.0 -15.4 319 8 332.0 332.0 292.6 333.1 0.28 40 414 7408 -13.3 -41.3 8 28.0 -18.4 321 12 334.4 334.4 293.2 335.4 0.25 41 404 7594 -14.3 -27.3 32 13.0 -17.7 333 15 335.4 335.7 294.1 339.2 1.01 42 400 7670 -14.7 -29.7 27 15.0 -18.4 335 14 335.9 336.0 294.0 338.9 0.81 43 367 8314 -20.1 -28.1 49 8.0 -22.0 335 10 337.1 337.3 294.6 340.9 1.03 44 352 8622 -21.9 -41.9 15 20.0 -24.9 322 10 338.7 338.7 294.3 339.8 0.27 45 347 8727 -22.7 -40.7 18 18.0 -25.5 325 10 339.0 339.1 294.4 340.2 0.32 46 342 8833 -23.5 -30.5 53 7.0 -25.0 328 10 339.3 339.5 295.0 342.6 0.88 47 340 8875 -23.7 -33.7 39 10.0 -25.6 329 10 339.6 339.7 294.8 342.1 0.65 48 338 8919 -23.1 -47.1 9 24.0 -26.2 330 10 341.0 341.0 294.7 341.7 0.16 49 334 9006 -23.3 -44.3 13 21.0 -26.2 333 10 341.9 341.9 295.0 342.8 0.22 50 300 9780 -29.7 -48.7 14 19.0 -31.7 340 10 343.5 343.6 295.3 344.1 0.15 51 279 10291 -33.3 -57.3 7 24.0 -35.0 323 10 345.5 345.6 295.7 345.8 0.06 52 257 10861 -37.7 -54.7 15 17.0 -38.8 300 10 347.3 347.3 296.1 347.6 0.09 53 255 10915 -38.1 -51.1 24 13.0 -39.1 297 10 347.4 347.5 296.2 348.0 0.14 54 250 11050 -39.5 -49.5 34 10.0 -40.2 260 7 347.3 347.4 296.2 348.0 0.17 55 231 11588 -44.5 -47.2 74 2.7 -44.7 235 11 347.7 347.7 296.3 348.6 0.23 56 229 11646 -45.1 -51.1 51 6.0 -45.4 234 11 347.6 347.7 296.3 348.3 0.15 57 200 12540 -52.5 -58.5 48 6.0 -52.7 220 11 349.6 349.6 296.6 349.9 0.07 58 150 14330 -67.5 -73.5 42 6.0 -67.5 330 9 353.8 353.8 297.4 353.9 0.01 59 100 16690 -80.1 -88.1 25 8.0 -80.1 45 2 373.0 373.0 301.1 373.0 0.00 60 91 17218 -83.1 -89.1 34 6.0 -83.1 50 7 377.2 377.2 301.8 377.2 0.00 61 78 18077 -81.9 -88.9 29 7.0 -81.9 46 4 396.7 396.7 304.8 396.7 0.00 62 70 18690 -77.3 -90.3 11 13.0 -77.3 85 19 419.0 419.0 307.6 419.0 0.00 63 67 18943 -75.7 -90.7 8 15.0 -75.7 79 22 427.8 427.8 308.6 427.8 0.00 64 63 19306 -68.9 -92.9 2 24.0 -69.1 95 23 450.4 450.4 310.9 450.4 0.00 65 55 20124 -66.5 -90.5 2 24.0 -66.7 84 15 473.7 473.7 313.0 473.7 0.00 66 50 20700 -67.7 -89.7 3 22.0 -67.9 65 15 484.0 484.0 313.8 484.0 0.00 67 48 20946 -68.3 -90.3 3 22.0 -68.5 65 14 488.2 488.2 314.1 488.2 0.00 68 30 23870 -54.1 -86.1 1 32.0 -55.8 75 26 597.2 597.2 320.5 597.2 0.01 69 29 24088 -52.9 -84.9 1 32.0 -54.9 74 25 606.3 606.3 320.9 606.3 0.01 70 23 25578 -54.7 -85.7 1 31.0 -56.8 100 28 642.5 642.5 322.4 642.6 0.01 71 20 26480 -51.1 -84.1 1 33.0 -54.2 100 43 679.8 679.8 323.7 679.9 0.02 72 15 28376 -45.3 -81.3 1 36.0 -51.3 85 42 757.3 757.3 326.1 757.6 0.04 TRP 91 17218 -83.1 -89.1 34 6.0 -83.1 50 7 377.2 377.2 301.8 377.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 553.29 mb = 5134.87 m = 16846.50 ft Wetbulb zero: 620.15 mb = 4209.65 m = 13811.03 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 47.64 % Est. max temperature: 32.52 C = 90.53 F Sfc-Lift cond lev (LCL): 1017.43 mb = 18.00 m = 59.05 ft T: 23.20 C 700-500 lapse rate: 5.16 C/km ThetaE index: 15.55 C Layer 925.0- 722.0 mb Conv cond level (CCL): 784.30 mb = 2252.51 m = 7390.04 ft Mean mixing ratio: 14.39 g/kg Conv temperature: 37.92 C = 100.25 F Cap Strength: 3.55 C Lifted Index: 2.43 C Risk: None Lifted Index @300 mb: 3.39 C Lifted Index @700 mb: 2.24 C Showalter Index: 8.26 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 10.70 C K Index: 16.70 Risk: < 20 % chance of thunderstorms Sweat Index: 111.00 Risk: None Energy Index: 0.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.73 J/kg Max Up Vert Vel: 4.63 m/s Conv Inhibition (B-): 27165.27 J/kg Cap Strength: 3.52 C Lift Cond Lev (LCL): 903.83 mb = 1037.46 m = 3403.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 123 at 7 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1017 18 0 0 -0.0 -0.0 | 303 7 6.2 -4.1 1 1000 154 120 12 -10.4 6.0 | 114 5 -4.1 1.9 2 983 305 105 14 -13.5 3.6 | 86 7 -7.3 -0.5 3 949 610 95 16 -15.9 1.4 | 74 10 -9.7 -2.7 4 925 837 100 17 -16.7 3.0 | 84 11 -10.5 -1.2 5 917 914 100 18 -17.7 3.1 | 85 12 -11.5 -1.0 6 854 1524 125 12 -9.8 6.9 | 128 5 -3.6 2.8 7 850 1568 125 12 -9.8 6.9 | 128 5 -3.6 2.8 8 795 2134 115 18 -16.3 7.6 | 109 11 -10.1 3.5 9 767 2438 85 15 -14.9 -1.3 | 58 10 -8.7 -5.4 10 714 3048 95 15 -14.9 1.3 | 72 9 -8.7 -2.8 11 700 3210 75 11 -10.6 -2.8 | 32 8 -4.4 -7.0 12 688 3353 65 10 -9.1 -4.2 | 19 9 -2.8 -8.3 13 662 3658 0 0 -0.0 -0.0 | 303 7 6.2 -4.1 14 614 4267 60 7 -6.1 -3.5 | 359 8 0.2 -7.6 15 500 5940 325 3 1.7 -2.5 | 310 10 8.0 -6.6 16 419 7315 315 11 7.8 -7.8 | 310 18 14.0 -11.9 17 403 7620 335 15 6.3 -13.6 | 325 22 12.6 -17.7 18 400 7670 335 14 5.9 -12.7 | 324 21 12.2 -16.8 19 386 7925 320 13 8.4 -10.0 | 314 20 14.6 -14.1 20 371 8230 340 10 3.4 -9.4 | 324 17 9.7 -13.5 21 356 8534 320 10 6.4 -7.7 | 313 17 12.7 -11.8 22 314 9449 345 10 2.6 -9.7 | 327 16 8.8 -13.8 23 300 9780 340 10 3.4 -9.4 | 324 17 9.7 -13.5 24 276 10363 320 10 6.4 -7.7 | 313 17 12.7 -11.8 25 253 10973 295 10 9.1 -4.2 | 299 17 15.3 -8.3 26 250 11050 260 7 6.9 1.2 | 282 13 13.1 -2.9 27 231 11582 235 11 9.0 6.3 | 262 15 15.3 2.2 28 201 12497 215 11 6.3 9.0 | 249 13 12.6 4.9 29 200 12540 220 11 7.1 8.4 | 252 14 13.3 4.3 30 174 13411 225 10 7.1 7.1 | 257 14 13.3 3.0 31 166 13716 235 11 9.0 6.3 | 262 15 15.3 2.2 32 158 14021 315 12 8.5 -8.5 | 311 19 14.7 -12.6 33 150 14326 310 10 7.7 -6.4 | 307 17 13.9 -10.5 34 150 14330 330 9 4.5 -7.8 | 318 16 10.7 -11.9 35 142 14630 335 9 3.8 -8.2 | 321 16 10.1 -12.3 36 116 15850 15 22 -5.7 -21.3 | 359 25 0.6 -25.4 37 110 16154 10 21 -3.6 -20.7 | 354 25 2.6 -24.8 38 104 16459 330 10 5.0 -8.7 | 319 17 11.2 -12.8 39 100 16690 45 2 -1.4 -1.4 | 319 7 4.8 -5.5 40 93 17069 45 2 -1.4 -1.4 | 319 7 4.8 -5.5 41 91 17218 50 7 -5.4 -4.5 | 354 9 0.9 -8.6 42 84 17678 20 11 -3.8 -10.3 | 350 15 2.5 -14.5 43 79 17983 0 0 -0.0 -0.0 | 303 7 6.2 -4.1 44 75 18288 140 12 -7.7 9.2 | 164 5 -1.5 5.1 45 70 18690 85 19 -18.9 -1.7 | 66 14 -12.7 -5.8 46 68 18898 75 21 -20.3 -5.4 | 56 17 -14.0 -9.6 47 64 19202 95 25 -24.9 2.2 | 84 19 -18.7 -1.9 48 58 19812 95 15 -14.9 1.3 | 72 9 -8.7 -2.8 49 50 20700 65 15 -13.6 -6.3 | 35 13 -7.3 -10.5 50 47 21031 65 14 -12.7 -5.9 | 33 12 -6.4 -10.0 51 45 21336 95 11 -11.0 1.0 | 56 6 -4.7 -3.2 52 41 21946 75 22 -21.3 -5.7 | 57 18 -15.0 -9.8 53 39 22250 90 29 -29.0 0.0 | 80 23 -22.8 -4.1 54 37 22555 75 24 -23.2 -6.2 | 59 20 -16.9 -10.3 55 35 22860 100 22 -21.7 3.8 | 89 15 -15.4 -0.3 56 30 23774 90 30 -30.0 0.0 | 80 24 -23.8 -4.1 57 30 23870 75 26 -25.1 -6.7 | 60 22 -18.9 -10.8 58 26 24689 70 21 -19.7 -7.2 | 50 18 -13.5 -11.3 59 25 24994 75 16 -15.5 -4.1 | 48 12 -9.2 -8.3 60 24 25298 100 23 -22.7 4.0 | 90 16 -16.4 -0.1 61 20 26480 100 43 -42.3 7.5 | 95 36 -36.1 3.4 62 20 26518 115 30 -27.2 12.7 | 112 23 -20.9 8.6 63 18 26822 100 43 -42.3 7.5 | 95 36 -36.1 3.4 64 15 27432 85 42 -41.8 -3.7 | 78 36 -35.6 -7.8 65 10 28956 80 50 -49.2 -8.7 | 73 45 -43.0 -12.8 Wind Parameters Mean winds (0-6000m): 93.4 at 10.0 knts Storm direction: 123.4 at 7.5 knts Shear (0-3000m) pos: 2.3 neg: 1.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 128.0 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -34.6 tot: 4.1 m^2/s^2 ave: 1.4 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.09 Bulk Shear: 1.33 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 108 12 83 5| 15.8 0.0 15.8| 17.2 -5.4 11.8 23.6 0.63| 21.6 13.6 1000 102 14 82 8| 8.7 0.0 8.7| 25.3 -6.7 18.6 18.6 0.60| 13.5 8.0 1500 106 14 88 8| 4.1 0.0 4.1| 33.8 -6.7 27.1 18.1 0.60| 11.5 6.9 2000 109 14 95 7| 3.1 1.3 4.4| 33.8 -9.9 23.9 11.9 0.48| 9.9 4.7 2500 108 15 93 8| 2.5 1.9 4.4| 33.8 -34.6 -0.9 -0.3 0.19| 10.0 1.9 3000 105 15 88 8| 2.3 1.6 3.9| 38.7 -34.6 4.1 1.4 0.22| 8.7 1.9 4000 101 13 74 6| 1.8 1.9 3.7| 46.6 -76.8 -30.2 -7.6 -0.06| 9.5 -0.5 5000 96 11 59 6| 1.5 1.8 3.3| 53.8 -86.1 -32.3 -6.5 -0.06| 8.4 -0.5 6000 93 10 46 5| 1.3 1.6 2.8| 53.8 -97.8 -44.0 -7.3 -0.10| 7.4 -0.8 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250425.11.gif