UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 22 APR 25 Station: PAKN WMO ident: 70326 Latitude: 58.68 Longitude: -156.65 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1010 15 5.8 3.8 87 2.0 4.8 165 6 278.2 279.0 277.5 291.7 4.97 1 1000 90 5.2 3.5 89 1.7 4.4 180 11 278.4 279.2 277.6 291.8 4.92 2 981 246 3.6 2.5 93 1.1 3.1 169 18 278.3 279.1 277.2 291.1 4.67 3 970 338 3.0 0.9 86 2.1 2.1 166 20 278.6 279.3 276.7 290.1 4.21 4 943 566 0.6 0.5 99 0.1 0.5 169 20 278.4 279.1 276.6 289.9 4.20 5 925 721 0.0 0.0 100 0.0 0.0 170 22 279.3 280.0 277.0 290.7 4.13 6 850 1393 -4.1 -4.1 100 0.0 -4.1 170 18 281.9 282.4 277.3 291.2 3.32 7 700 2900 -13.1 -13.7 95 0.6 -13.3 170 18 288.0 288.3 278.4 293.6 1.89 8 623 3780 -18.5 -19.7 90 1.2 -18.8 178 21 291.6 291.8 279.3 295.5 1.29 9 618 3840 -18.1 -18.9 93 0.8 -18.3 180 22 292.7 292.9 280.0 297.0 1.39 10 579 4324 -21.3 -21.7 97 0.4 -21.4 185 23 294.5 294.7 280.5 298.1 1.16 11 569 4453 -21.9 -22.8 92 0.9 -22.1 185 24 295.2 295.4 280.7 298.6 1.07 12 567 4479 -22.3 -24.0 86 1.7 -22.6 185 24 295.0 295.2 280.5 298.1 0.97 13 560 4570 -22.9 -24.2 89 1.3 -23.1 185 24 295.4 295.6 280.7 298.4 0.96 14 551 4689 -23.9 -25.3 88 1.4 -24.1 185 25 295.6 295.7 280.6 298.4 0.89 15 546 4755 -24.7 -28.1 73 3.4 -25.2 185 25 295.4 295.5 280.3 297.6 0.69 16 530 4971 -26.7 -30.5 70 3.8 -27.2 185 26 295.5 295.6 280.2 297.4 0.57 17 525 5040 -27.1 -32.1 62 5.0 -27.8 185 25 295.8 295.9 280.2 297.5 0.49 18 514 5192 -28.1 -30.2 82 2.1 -28.4 185 25 296.4 296.5 280.6 298.4 0.60 19 506 5305 -28.9 -31.3 80 2.4 -29.2 185 24 296.8 296.9 280.7 298.6 0.55 20 501 5376 -29.7 -36.7 51 7.0 -30.4 185 24 296.7 296.7 280.3 297.8 0.33 21 500 5390 -29.9 -37.9 46 8.0 -30.7 185 24 296.6 296.6 280.3 297.6 0.29 22 497 5433 -30.5 -40.5 37 10.0 -31.4 185 24 296.4 296.4 280.1 297.1 0.22 23 490 5533 -31.3 -39.3 45 8.0 -32.0 185 24 296.6 296.6 280.2 297.5 0.26 24 478 5708 -32.7 -44.7 29 12.0 -33.6 187 26 297.0 297.0 280.2 297.5 0.15 25 476 5738 -32.5 -44.5 29 12.0 -33.3 187 26 297.6 297.6 280.5 298.1 0.15 26 473 5782 -32.1 -48.1 19 16.0 -33.1 187 27 298.6 298.6 280.9 299.0 0.10 27 468 5857 -32.3 -39.3 50 7.0 -32.9 188 28 299.3 299.3 281.4 300.2 0.27 28 465 5902 -32.1 -34.1 82 2.0 -32.3 188 28 300.1 300.1 282.0 301.6 0.46 29 461 5963 -32.5 -37.5 61 5.0 -33.0 189 29 300.3 300.4 282.0 301.4 0.33 30 458 6009 -32.9 -37.2 65 4.3 -33.3 189 29 300.4 300.4 282.0 301.5 0.34 31 454 6071 -33.3 -38.3 61 5.0 -33.7 190 30 300.6 300.7 282.0 301.7 0.31 32 450 6133 -33.5 -41.5 44 8.0 -34.1 191 31 301.1 301.2 282.1 301.9 0.22 33 432 6417 -35.9 -41.9 54 6.0 -36.3 198 40 301.6 301.7 282.3 302.4 0.22 34 430 6449 -35.7 -41.7 54 6.0 -36.1 199 41 302.3 302.3 282.6 303.1 0.23 35 426 6514 -35.9 -41.9 54 6.0 -36.4 200 43 302.8 302.9 282.8 303.6 0.23 36 423 6563 -35.5 -37.8 79 2.3 -35.7 201 44 304.0 304.0 283.5 305.2 0.35 37 400 6950 -37.9 -40.9 73 3.0 -38.1 200 46 305.7 305.8 284.1 306.7 0.27 38 393 7071 -38.7 -42.0 71 3.3 -38.9 200 45 306.2 306.3 284.2 307.1 0.24 39 362 7629 -42.5 -44.4 82 1.9 -42.6 200 43 308.4 308.5 285.0 309.2 0.20 40 357 7722 -43.1 -46.0 73 2.9 -43.3 201 43 308.9 308.9 285.1 309.5 0.17 41 344 7971 -44.9 -47.9 72 3.0 -45.0 203 45 309.7 309.7 285.4 310.2 0.15 42 336 8127 -45.9 -48.8 72 2.9 -46.0 204 45 310.4 310.5 285.7 310.9 0.13 43 328 8286 -47.3 -48.8 84 1.5 -47.4 205 46 310.7 310.7 285.7 311.2 0.14 44 324 8367 -47.9 -52.0 63 4.1 -48.0 206 47 310.9 310.9 285.8 311.3 0.10 45 322 8408 -48.3 -51.8 67 3.5 -48.4 206 47 310.9 310.9 285.8 311.3 0.10 46 317 8511 -49.1 -53.1 63 4.0 -49.2 207 47 311.2 311.2 285.9 311.5 0.09 47 313 8594 -49.3 -56.3 44 7.0 -49.5 208 48 312.1 312.1 286.1 312.3 0.06 48 311 8635 -49.5 -56.5 44 7.0 -49.7 208 48 312.3 312.4 286.2 312.6 0.06 49 303 8805 -50.5 -60.5 30 10.0 -50.7 210 49 313.3 313.3 286.5 313.4 0.04 50 300 8870 -50.9 -59.9 34 9.0 -51.1 210 46 313.6 313.6 286.6 313.8 0.04 51 298 8914 -51.1 -60.1 33 9.0 -51.3 215 42 313.9 313.9 286.8 314.1 0.04 52 296 8957 -50.9 -58.9 38 8.0 -51.1 215 41 314.8 314.8 287.1 315.0 0.05 53 290 9091 -50.7 -66.7 13 16.0 -51.0 215 37 316.9 317.0 287.8 317.0 0.02 54 251 10034 -49.9 -72.9 5 23.0 -50.3 220 31 331.5 331.5 292.2 331.5 0.01 55 250 10060 -49.7 -73.7 4 24.0 -50.1 220 31 332.2 332.2 292.3 332.2 0.01 56 249 10086 -48.3 -74.3 3 26.0 -48.8 221 31 334.6 334.6 293.0 334.7 0.01 57 240 10329 -47.1 -76.1 2 29.0 -47.7 229 26 340.0 340.0 294.3 340.0 0.01 58 200 11530 -48.1 -80.1 1 32.0 -48.7 240 20 356.6 356.6 298.0 356.6 0.00 59 150 13430 -49.3 -81.3 1 32.0 -50.0 260 22 385.1 385.1 303.1 385.1 0.00 60 100 16070 -53.7 -84.7 1 31.0 -54.3 290 15 424.0 424.0 308.2 424.0 0.00 61 75 17924 -51.9 -85.9 1 34.0 -52.9 269 13 464.1 464.1 312.1 464.1 0.00 62 70 18370 -52.5 -85.5 1 33.0 -53.5 285 10 472.1 472.1 312.8 472.1 0.00 63 55 19924 -52.7 -86.7 1 34.0 -53.9 286 15 505.3 505.3 315.3 505.3 0.00 64 50 20540 -51.3 -86.3 1 35.0 -52.8 290 13 522.6 522.6 316.5 522.6 0.00 65 48 20805 -50.3 -85.3 1 35.0 -52.0 286 12 531.1 531.1 317.0 531.1 0.01 66 41 21830 -51.1 -86.1 1 35.0 -52.9 112 2 553.6 553.6 318.3 553.6 0.01 67 37 22499 -49.3 -85.3 1 36.0 -51.7 145 6 574.7 574.7 319.4 574.8 0.01 68 35 22861 -51.7 -85.7 1 34.0 -53.7 145 9 577.7 577.7 319.6 577.7 0.01 69 32 23442 -51.3 -86.3 1 35.0 -53.5 159 10 593.7 593.7 320.3 593.8 0.01 70 30 23860 -51.7 -86.7 1 35.0 -53.9 10 8 603.7 603.7 320.7 603.7 0.01 71 27 24542 -52.9 -86.9 1 34.0 -55.1 42 8 618.8 618.8 321.5 618.8 0.01 72 20 26490 -50.1 -86.1 1 36.0 -53.5 90 5 682.8 682.8 323.9 682.9 0.01 73 17 27558 -48.7 -85.7 1 37.0 -53.1 101 12 719.8 719.8 325.1 719.9 0.01 74 16 27960 -45.9 -84.9 0 39.0 -51.5 128 8 741.5 741.5 325.7 741.7 0.02 75 14 28852 -45.5 -84.5 0 39.0 -51.7 89 10 771.7 771.8 326.5 771.9 0.02 76 13 29347 -46.3 -85.3 0 39.0 -52.4 95 16 785.5 785.5 326.9 785.7 0.02 77 10 31110 -41.9 -82.9 0 41.0 -51.2 55 9 863.1 863.2 328.7 863.5 0.04 78 9.9 31178 -41.7 -82.7 0 41.0 -51.1 55 9 866.4 866.4 328.8 866.8 0.04 79 8.6 32125 -43.3 -83.3 0 40.0 -52.5 51 9 895.7 895.8 329.4 896.2 0.04 80 7.0 33510 -42.1 -83.1 0 41.0 -52.9 45 8 955.0 955.0 330.4 955.6 0.06 81 6.1 34446 -39.9 -80.9 0 41.0 -52.7 1002.8 1002.9 331.2 1003.9 0.09 TRP 298 8914 -51.1 -60.1 33 9.0 -51.3 215 42 313.9 313.9 286.8 314.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5300.00 m Freezing level: 925.00 mb = 721.00 m = 2365.46 ft Wetbulb zero: 924.64 mb = 724.11 m = 2375.65 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 92.21 % Est. max temperature: 9.15 C = 48.48 F Sfc-Lift cond lev (LCL): 979.40 mb = 259.71 m = 852.07 ft T: 3.51 C 700-500 lapse rate: 6.75 C/km ThetaE index: 1.85 C Layer 981.0- 925.0 mb Conv cond level (CCL): 948.91 mb = 515.70 m = 1691.92 ft Mean mixing ratio: 4.38 g/kg Conv temperature: 6.07 C = 42.93 F Cap Strength: 6.06 C Lifted Index: 5.82 C Risk: None Lifted Index @300 mb: 16.29 C Lifted Index @700 mb: 2.06 C Showalter Index: 5.41 C Risk: None Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 25.80 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 112.00 Risk: None Energy Index: 1.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.97 J/kg Max Up Vert Vel: 3.45 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 6.04 C Lift Cond Lev (LCL): 945.50 mb = 544.76 m = 1787.25 ft Lev Free Conv (LFC): 940.50 mb = 587.48 m = 1927.41 ft Equ Level (EL): 920.50 mb = 759.76 m = 2492.62 ft B at Equ Level: 5.87 J/kg Max Parcel Lev (MPL): 830.50 mb = 1573.14 m = 5161.16 ft Wind level data Storm motion: 208 at 15 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 1010 15 165 6 -1.6 5.8 | 48 12 -8.6 -7.6 1 1000 90 180 11 0.0 11.0 | 71 7 -7.1 -2.4 2 974 305 165 20 -5.2 19.3 | 116 14 -12.2 5.9 3 938 610 170 20 -3.5 19.7 | 121 12 -10.5 6.3 4 925 721 170 22 -3.8 21.7 | 127 14 -10.9 8.2 5 903 914 175 20 -1.7 19.9 | 126 11 -8.8 6.5 6 869 1219 175 18 -1.6 17.9 | 117 10 -8.6 4.5 7 850 1393 170 18 -3.1 17.7 | 113 11 -10.2 4.3 8 804 1829 165 17 -4.4 16.4 | 105 12 -11.5 3.0 9 773 2134 165 13 -3.4 12.6 | 85 10 -10.4 -0.9 10 743 2438 175 15 -1.3 14.9 | 100 9 -8.4 1.5 11 714 2743 170 16 -2.8 15.8 | 103 10 -9.8 2.3 12 700 2900 170 18 -3.1 17.7 | 113 11 -10.2 4.3 13 686 3048 170 17 -3.0 16.7 | 108 11 -10.0 3.3 14 632 3658 175 20 -1.7 19.9 | 126 11 -8.8 6.5 15 606 3962 185 23 2.0 22.9 | 152 11 -5.1 9.5 16 582 4267 185 23 2.0 22.9 | 152 11 -5.1 9.5 17 536 4877 185 26 2.3 25.9 | 159 13 -4.8 12.5 18 500 5390 185 24 2.1 23.9 | 155 12 -5.0 10.5 19 493 5486 185 24 2.1 23.9 | 155 12 -5.0 10.5 20 452 6096 190 30 5.2 29.5 | 173 16 -1.9 16.1 21 414 6706 205 49 20.7 44.4 | 204 34 13.6 31.0 22 400 6950 200 46 15.7 43.2 | 196 31 8.7 29.8 23 362 7620 200 43 14.7 40.4 | 196 28 7.6 27.0 24 301 8839 210 49 24.5 42.4 | 211 34 17.4 29.0 25 300 8870 210 46 23.0 39.8 | 211 31 15.9 26.4 26 298 8914 215 42 24.1 34.4 | 219 27 17.0 21.0 27 288 9144 215 36 20.6 29.5 | 220 21 13.6 16.1 28 275 9449 215 25 14.3 20.5 | 226 10 7.3 7.0 29 262 9754 220 35 22.5 26.8 | 229 20 15.4 13.4 30 250 10060 220 31 19.9 23.7 | 231 16 12.9 10.3 31 228 10668 240 20 17.3 10.0 | 289 11 10.2 -3.4 32 208 11278 225 21 14.8 14.8 | 260 8 7.8 1.4 33 200 11530 240 20 17.3 10.0 | 289 11 10.2 -3.4 34 198 11582 245 23 20.8 9.7 | 285 14 13.8 -3.7 35 189 11887 235 18 14.7 10.3 | 292 8 7.7 -3.1 36 165 12802 245 21 19.0 8.9 | 291 13 12.0 -4.6 37 150 13411 265 19 18.9 1.7 | 315 17 11.9 -11.8 38 150 13430 260 22 21.7 3.8 | 303 17 14.6 -9.6 39 144 13716 255 20 19.3 5.2 | 304 15 12.2 -8.3 40 125 14630 280 21 20.7 -3.6 | 321 22 13.6 -17.1 41 114 15240 280 19 18.7 -3.3 | 325 20 11.6 -16.7 42 108 15545 260 18 17.7 3.1 | 314 15 10.7 -10.3 43 100 16070 290 15 14.1 -5.1 | 339 20 7.0 -18.6 44 94 16459 265 17 16.9 1.5 | 320 15 9.9 -12.0 45 86 17069 275 20 19.9 -1.7 | 320 20 12.9 -15.2 46 82 17374 285 17 16.4 -4.4 | 332 20 9.3 -17.8 47 78 17678 255 15 14.5 3.9 | 322 12 7.4 -9.6 48 71 18288 290 10 9.4 -3.4 | 352 17 2.3 -16.9 49 70 18370 285 10 9.7 -2.6 | 351 16 2.6 -16.0 50 68 18593 275 12 12.0 -1.0 | 341 15 4.9 -14.5 51 65 18898 295 10 9.1 -4.2 | 354 18 2.0 -17.7 52 62 19202 290 12 11.3 -4.1 | 347 18 4.2 -17.5 53 59 19507 270 12 12.0 -0.0 | 340 14 4.9 -13.4 54 56 19812 295 16 14.5 -6.8 | 340 22 7.4 -20.2 55 53 20117 270 13 13.0 -0.0 | 336 15 5.9 -13.4 56 51 20422 305 12 9.8 -6.9 | 352 21 2.8 -20.3 57 50 20540 290 13 12.2 -4.4 | 344 19 5.1 -17.9 58 49 20726 285 12 11.6 -3.1 | 345 17 4.5 -16.5 59 46 21031 290 13 12.2 -4.4 | 344 19 5.1 -17.9 60 44 21336 330 5 2.5 -4.3 | 14 18 -4.6 -17.8 61 40 21946 145 1 -0.6 0.8 | 31 15 -7.6 -12.6 62 33 23165 145 12 -6.9 9.8 | 76 14 -14.0 -3.6 63 32 23470 160 10 -3.4 9.4 | 69 11 -10.5 -4.0 64 30 23860 10 8 -1.4 -7.9 | 22 23 -8.5 -21.3 65 28 24384 35 9 -5.2 -7.4 | 30 24 -12.2 -20.8 66 24 25298 75 1 -1.0 -0.3 | 30 16 -8.0 -13.7 67 22 25908 45 14 -9.9 -9.9 | 36 29 -17.0 -23.3 68 21 26213 85 11 -11.0 -1.0 | 51 23 -18.0 -14.4 69 20 26490 90 5 -5.0 0.0 | 42 18 -12.1 -13.4 70 20 26518 70 10 -9.4 -3.4 | 44 24 -16.5 -16.9 71 19 26822 90 10 -10.0 0.0 | 52 22 -17.1 -13.4 72 18 27127 70 11 -10.3 -3.8 | 45 24 -17.4 -17.2 73 17 27432 85 12 -12.0 -1.0 | 53 24 -19.0 -14.5 74 17 27737 120 12 -10.4 6.0 | 67 19 -17.5 -7.4 75 15 28346 140 1 -0.6 0.8 | 31 15 -7.7 -12.7 76 14 28956 80 11 -10.8 -1.9 | 49 24 -17.9 -15.3 77 13 29261 90 17 -17.0 0.0 | 61 28 -24.1 -13.4 78 13 29566 105 13 -12.6 3.4 | 63 22 -19.6 -10.1 79 10 31110 55 9 -7.4 -5.2 | 38 24 -14.4 -18.6 80 7 33510 45 8 -5.7 -5.7 | 34 23 -12.7 -19.1 Wind Parameters Mean winds (0-6000m): 177.8 at 20.2 knts Storm direction: 207.8 at 15.2 knts Shear (0-3000m) pos: 2.5 neg: 0.8 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 60.8 deg Storm rel helicity (0-3000m) pos: 47.0 neg: -23.9 tot: 23.1 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.88 Bulk Shear: 3.17 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 ------------------------------------------------------------------------------- 500 169 16 104 11| 14.4 0.0 14.4| 29.6 0.0 29.6 59.1 0.73| 16.9 12.3 1000 170 18 115 11| 6.9 0.0 6.9| 35.5 -1.8 33.7 33.7 0.59| 11.4 6.8 1500 171 18 115 11| 4.6 0.9 5.5| 35.5 -8.4 27.1 18.1 0.42| 8.7 3.7 2000 170 18 113 11| 3.5 1.4 4.9| 35.5 -18.7 16.9 8.4 0.25| 7.5 1.9 2500 170 17 109 11| 3.0 1.2 4.2| 41.5 -22.3 19.2 7.7 0.25| 6.9 1.7 3000 170 17 109 11| 2.5 0.8 3.3| 47.0 -23.9 23.1 7.7 0.26| 6.4 1.7 4000 172 18 113 10| 2.8 0.6 3.4| 69.6 -23.9 45.7 11.4 0.39| 5.9 2.3 5000 175 19 123 10| 2.2 0.3 2.6| 74.1 -24.5 49.5 9.9 0.39| 5.0 2.0 6000 178 20 131 10| 2.2 0.3 2.5| 88.1 -26.8 61.3 10.2 0.40| 4.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250422.00.gif