UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 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 1011 15 1.2 -0.1 91 1.3 0.7 225 9 273.5 274.1 273.2 283.6 3.75 1 1000 99 0.6 -0.3 94 0.9 0.2 205 12 273.8 274.4 273.4 283.9 3.74 2 943 567 -2.9 -2.9 100 0.0 -2.9 229 20 274.8 275.4 273.3 283.8 3.27 3 931 669 -3.3 -4.6 91 1.3 -3.8 233 21 275.4 275.9 273.2 283.5 2.91 4 925 720 -3.7 -4.7 93 1.0 -4.1 235 21 275.5 276.0 273.2 283.6 2.91 5 914 814 -4.1 -5.4 91 1.3 -4.6 230 20 276.1 276.5 273.3 283.8 2.79 6 891 1015 -4.9 -6.9 86 2.0 -5.6 227 20 277.3 277.7 273.7 284.4 2.55 7 884 1077 -5.3 -7.5 84 2.2 -6.0 228 21 277.5 277.9 273.6 284.4 2.46 8 876 1149 -6.1 -7.6 89 1.5 -6.6 229 22 277.4 277.8 273.6 284.3 2.46 9 872 1185 -6.3 -9.1 80 2.8 -7.2 229 22 277.5 277.9 273.3 283.7 2.20 10 850 1384 -7.7 -9.3 88 1.6 -8.2 235 21 278.1 278.5 273.6 284.4 2.22 11 838 1494 -8.7 -10.1 90 1.4 -9.1 230 20 278.2 278.5 273.5 284.2 2.11 12 819 1672 -9.7 -14.0 71 4.3 -10.9 222 18 278.9 279.2 273.2 283.5 1.58 13 799 1862 -10.7 -16.7 61 6.0 -12.2 215 16 279.8 280.1 273.2 283.6 1.29 14 752 2325 -13.9 -21.9 51 8.0 -15.5 223 19 281.3 281.4 273.4 283.9 0.88 15 748 2366 -14.3 -22.3 51 8.0 -15.9 224 19 281.3 281.4 273.3 283.8 0.85 16 740 2447 -14.9 -20.9 60 6.0 -16.2 225 19 281.5 281.6 273.7 284.4 0.98 17 739 2457 -14.9 -20.9 60 6.0 -16.2 225 19 281.6 281.8 273.8 284.5 0.98 18 737 2478 -14.9 -22.9 50 8.0 -16.4 226 19 281.8 281.9 273.6 284.3 0.82 19 728 2571 -15.7 -24.7 46 9.0 -17.3 227 19 281.9 282.0 273.5 284.1 0.71 20 723 2623 -16.1 -25.1 46 9.0 -17.7 228 19 282.0 282.2 273.5 284.1 0.69 21 716 2696 -16.9 -21.3 69 4.4 -17.8 229 19 281.9 282.1 273.9 284.9 0.97 22 702 2844 -18.1 -20.2 84 2.1 -18.5 226 21 282.2 282.4 274.3 285.5 1.09 23 700 2865 -18.3 -20.7 81 2.4 -18.8 225 22 282.2 282.4 274.2 285.4 1.05 24 698 2886 -18.5 -21.1 80 2.6 -19.0 226 22 282.2 282.4 274.2 285.3 1.02 25 697 2897 -18.7 -22.0 75 3.3 -19.3 226 22 282.1 282.3 274.0 284.9 0.94 26 696 2908 -18.7 -25.7 54 7.0 -19.8 226 22 282.2 282.4 273.6 284.3 0.68 27 677 3114 -19.5 -29.5 41 10.0 -21.0 232 21 283.6 283.7 274.0 285.1 0.49 28 659 3313 -20.9 -31.9 37 11.0 -22.4 238 20 284.2 284.3 274.3 285.5 0.40 29 650 3414 -21.7 -30.7 44 9.0 -22.9 238 20 284.4 284.5 274.5 285.9 0.46 30 644 3483 -22.1 -27.1 64 5.0 -22.9 234 20 284.7 284.8 274.9 286.7 0.64 31 642 3505 -22.1 -26.0 71 3.9 -22.7 233 20 285.0 285.1 275.2 287.2 0.71 32 635 3586 -22.5 -25.0 80 2.5 -22.9 229 19 285.4 285.6 275.5 287.8 0.79 33 630 3644 -22.7 -26.6 70 3.9 -23.3 226 19 285.8 286.0 275.6 288.0 0.69 34 619 3773 -23.9 -26.6 78 2.7 -24.3 231 22 285.9 286.0 275.6 288.1 0.70 35 614 3832 -24.1 -30.1 58 6.0 -24.9 235 23 286.3 286.4 275.6 287.9 0.51 36 612 3856 -24.3 -29.1 64 4.8 -24.9 237 24 286.4 286.5 275.7 288.1 0.56 37 609 3892 -24.1 -34.1 39 10.0 -25.3 239 25 287.0 287.1 275.7 288.1 0.35 38 601 3988 -24.5 -41.5 19 17.0 -26.1 245 27 287.6 287.7 275.7 288.2 0.17 39 599 4012 -24.7 -40.7 21 16.0 -26.2 244 27 287.7 287.7 275.7 288.3 0.18 40 595 4061 -25.1 -37.1 32 12.0 -26.3 241 27 287.8 287.8 275.9 288.6 0.27 41 585 4184 -25.9 -39.9 26 14.0 -27.2 235 27 288.2 288.3 276.1 288.9 0.20 42 527 4931 -31.7 -43.7 30 12.0 -32.5 230 27 290.0 290.0 276.9 290.5 0.15 43 511 5148 -33.5 -43.5 36 10.0 -34.1 230 31 290.4 290.4 277.1 290.9 0.16 44 500 5300 -34.5 -45.5 32 11.0 -35.1 230 34 291.0 291.0 277.4 291.4 0.13 45 491 5427 -35.7 -46.7 31 11.0 -36.3 231 35 291.0 291.0 277.4 291.4 0.12 46 481 5570 -36.9 -45.9 39 9.0 -37.4 232 36 291.3 291.3 277.5 291.7 0.13 47 469 5744 -38.1 -48.1 34 10.0 -38.6 233 37 291.9 291.9 277.7 292.2 0.10 48 454 5968 -39.1 -55.1 17 16.0 -39.7 234 38 293.4 293.4 278.4 293.5 0.05 49 450 6029 -39.3 -51.3 27 12.0 -39.8 235 39 293.8 293.9 278.7 294.1 0.08 50 445 6105 -39.7 -55.7 17 16.0 -40.2 235 39 294.3 294.3 278.8 294.4 0.05 51 400 6830 -42.9 -61.9 11 19.0 -43.4 220 37 299.2 299.2 281.0 299.3 0.02 52 399 6847 -42.9 -61.9 11 19.0 -43.4 220 38 299.4 299.5 281.1 299.5 0.02 53 363 7482 -43.9 -67.9 5 24.0 -44.4 228 30 306.3 306.3 284.0 306.4 0.01 54 304 8671 -43.5 -72.5 3 29.0 -44.2 230 25 322.8 322.8 289.6 322.9 0.01 55 300 8760 -43.1 -72.1 3 29.0 -43.8 230 26 324.6 324.6 290.2 324.6 0.01 56 294 8896 -42.1 -75.1 2 33.0 -42.9 230 26 327.9 327.9 291.1 327.9 0.00 57 250 9990 -43.7 -76.7 1 33.0 -44.5 245 19 341.1 341.1 294.6 341.1 0.00 58 200 11490 -45.9 -80.9 1 35.0 -46.7 230 13 360.1 360.1 298.7 360.1 0.00 59 150 13400 -47.5 -82.5 1 35.0 -48.3 300 13 388.2 388.2 303.5 388.2 0.00 60 100 16050 -52.1 -85.1 1 33.0 -52.8 250 21 427.1 427.1 308.5 427.1 0.00 61 88 16874 -53.3 -85.3 1 32.0 -54.1 294 19 440.6 440.6 309.9 440.6 0.00 62 76 17819 -51.9 -85.9 1 34.0 -52.9 312 16 462.3 462.4 312.0 462.4 0.00 63 70 18350 -53.1 -86.1 1 33.0 -54.0 305 11 470.8 470.8 312.7 470.8 0.00 64 61 19239 -52.7 -85.7 1 33.0 -53.8 294 11 490.6 490.6 314.2 490.6 0.00 65 58 19566 -51.3 -85.3 1 34.0 -52.6 294 10 500.9 500.9 315.0 500.9 0.00 66 54 20030 -52.3 -86.3 1 34.0 -53.6 308 11 508.9 508.9 315.6 508.9 0.00 67 50 20530 -51.3 -86.3 1 35.0 -52.8 285 7 522.6 522.6 316.5 522.6 0.00 68 43 21510 -49.7 -85.7 1 36.0 -51.7 312 9 549.6 549.6 318.1 549.6 0.01 69 41 21820 -51.5 -85.5 1 34.0 -53.2 295 8 552.6 552.6 318.2 552.6 0.01 70 39 22144 -50.9 -85.9 1 35.0 -52.8 239 3 562.1 562.1 318.8 562.1 0.01 71 34 23031 -52.7 -86.7 1 34.0 -54.5 40 12 579.8 579.8 319.6 579.9 0.01 72 31 23628 -51.5 -86.5 1 35.0 -53.7 20 9 598.6 598.6 320.6 598.6 0.01 73 30 23840 -52.7 -86.7 1 34.0 -54.7 350 8 601.0 601.0 320.6 601.0 0.01 74 27 24519 -53.7 -86.7 1 33.0 -55.7 48 12 616.5 616.5 321.3 616.6 0.01 75 25 25017 -51.7 -86.7 1 35.0 -54.2 63 3 636.0 636.0 322.2 636.1 0.01 76 20 26470 -50.3 -86.3 1 36.0 -53.7 65 11 682.2 682.2 323.9 682.3 0.01 77 13 29311 -46.7 -84.7 1 38.0 -52.7 98 12 784.1 784.1 326.8 784.3 0.02 78 11 30417 -48.5 -85.5 1 37.0 -54.3 41 9 816.0 816.0 327.6 816.2 0.02 79 10 31050 -44.9 -84.9 0 40.0 -52.7 30 7 851.9 852.0 328.4 852.2 0.03 80 9.0 31756 -43.7 -83.7 0 40.0 -52.5 31 10 882.6 882.6 329.1 883.0 0.04 81 8.9 31831 -43.3 -83.3 0 40.0 -52.4 32 10 887.0 887.0 329.2 887.4 0.04 82 8.8 31907 -43.1 -83.1 0 40.0 -52.3 32 11 890.6 890.7 329.2 891.1 0.05 83 8.2 32381 -43.9 -83.9 0 40.0 -53.0 33 13 905.6 905.7 329.5 906.1 0.04 84 7.6 32892 -42.9 -82.9 0 40.0 -52.9 34 15 929.6 929.6 330.0 930.1 0.05 85 7.0 33450 -39.9 -80.9 0 41.0 -52.0 35 17 964.1 964.2 330.6 965.0 0.08 86 6.9 33548 -39.1 -81.1 0 42.0 -51.7 971.4 971.4 330.7 972.3 0.08 87 6.5 33957 -40.1 -81.1 0 41.0 -52.4 983.9 984.0 330.9 984.9 0.09 88 6.1 34391 -40.1 -81.1 0 41.0 -52.8 1001.9 1002.0 331.2 1003.0 0.09 89 5.5 35103 -36.7 -78.7 0 42.0 -52.0 1047.1 1047.2 331.9 1049.0 0.15 90 5.1 35624 -37.7 -79.7 0 42.0 -52.8 1065.5 1065.5 332.2 1067.2 0.14 TRP 399 6847 -42.9 -61.9 11 19.0 -43.4 220 38 299.4 299.5 281.1 299.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5201.00 m Freezing level: 990.23 mb = 179.29 m = 588.23 ft Wetbulb zero: 995.91 mb = 131.70 m = 432.07 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 59.41 % Est. max temperature: 5.51 C = 41.93 F Sfc-Lift cond lev (LCL): 990.64 mb = 174.04 m = 571.00 ft T: 0.04 C 700-500 lapse rate: 6.65 C/km ThetaE index: 0.87 C Layer 838.0- 799.0 mb Conv cond level (CCL): 948.79 mb = 518.53 m = 1701.21 ft Mean mixing ratio: 3.34 g/kg Conv temperature: 2.43 C = 36.37 F Cap Strength: 6.09 C Lifted Index: 6.50 C Risk: None Lifted Index @300 mb: 28.95 C Lifted Index @700 mb: 1.60 C Showalter Index: 6.03 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 25.20 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 136.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.99 J/kg Max Up Vert Vel: 4.24 m/s Conv Inhibition (B-): 78166.23 J/kg Cap Strength: 6.14 C Lift Cond Lev (LCL): 949.96 mb = 508.72 m = 1669.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 18 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 1011 15 225 9 6.4 6.4 | 106 12 -11.1 3.2 1 1000 99 205 12 5.1 10.9 | 122 15 -12.3 7.7 2 974 305 220 21 13.5 16.1 | 163 14 -3.9 13.0 3 938 610 230 20 15.3 12.9 | 168 10 -2.1 9.7 4 925 720 235 21 17.2 12.0 | 179 9 -0.2 8.9 5 902 914 225 18 12.7 12.7 | 154 11 -4.7 9.6 6 868 1219 230 23 17.6 14.8 | 181 12 0.2 11.6 7 850 1384 235 21 17.2 12.0 | 179 9 -0.2 8.9 8 802 1829 215 16 9.2 13.1 | 140 13 -8.2 10.0 9 770 2134 220 19 12.2 14.6 | 155 13 -5.2 11.4 10 740 2438 225 19 13.4 13.4 | 159 11 -4.0 10.3 11 711 2743 230 19 14.6 12.2 | 162 10 -2.9 9.1 12 700 2865 225 22 15.6 15.6 | 171 13 -1.9 12.4 13 654 3353 240 20 17.3 10.0 | 179 7 -0.1 6.9 14 627 3658 225 19 13.4 13.4 | 159 11 -4.0 10.3 15 602 3962 245 27 24.5 11.4 | 220 11 7.1 8.3 16 577 4267 230 27 20.7 17.4 | 193 15 3.3 14.2 17 530 4877 230 26 19.9 16.7 | 190 14 2.5 13.6 18 500 5300 230 34 26.0 21.9 | 205 21 8.6 18.7 19 445 6096 235 39 31.9 22.4 | 217 24 14.5 19.2 20 426 6401 230 43 32.9 27.6 | 212 29 15.5 24.5 21 400 6830 220 37 23.8 28.3 | 194 26 6.4 25.2 22 399 6847 220 38 24.4 29.1 | 195 27 7.0 26.0 23 356 7620 230 28 21.4 18.0 | 195 15 4.0 14.9 24 310 8534 230 24 18.4 15.4 | 185 12 1.0 12.3 25 300 8760 230 26 19.9 16.7 | 190 14 2.5 13.6 26 283 9144 230 25 19.2 16.1 | 188 13 1.7 12.9 27 271 9449 215 20 11.5 16.4 | 156 15 -5.9 13.2 28 259 9754 240 23 19.9 11.5 | 197 9 2.5 8.4 29 250 9990 245 19 17.2 8.0 | 178 5 -0.2 4.9 30 226 10668 235 17 13.9 9.8 | 152 7 -3.5 6.6 31 206 11278 265 12 12.0 1.0 | 69 6 -5.5 -2.1 32 200 11490 230 13 10.0 8.4 | 125 9 -7.5 5.2 33 197 11582 230 11 8.4 7.1 | 114 10 -9.0 3.9 34 188 11887 220 17 10.9 13.0 | 147 12 -6.5 9.9 35 180 12192 235 25 20.5 14.3 | 195 12 3.1 11.2 36 172 12497 255 21 20.3 5.4 | 231 4 2.9 2.3 37 164 12802 245 18 16.3 7.6 | 166 5 -1.1 4.5 38 157 13106 255 22 21.3 5.7 | 236 5 3.8 2.6 39 150 13400 300 13 11.3 -6.5 | 33 11 -6.2 -9.6 40 143 13716 300 15 13.0 -7.5 | 23 12 -4.4 -10.6 41 124 14630 285 14 13.5 -3.6 | 30 8 -3.9 -6.8 42 119 14935 255 17 16.4 4.4 | 142 2 -1.0 1.3 43 113 15240 285 21 20.3 -5.4 | 342 9 2.9 -8.6 44 108 15545 305 20 16.4 -11.5 | 4 15 -1.0 -14.6 45 103 15850 250 12 11.3 4.1 | 99 6 -6.1 1.0 46 100 16050 250 21 19.7 7.2 | 210 5 2.3 4.0 47 98 16154 250 21 19.7 7.2 | 210 5 2.3 4.0 48 90 16764 290 20 18.8 -6.8 | 352 10 1.4 -10.0 49 85 17069 300 17 14.7 -8.5 | 13 12 -2.7 -11.6 50 74 17983 315 16 11.3 -11.3 | 23 16 -6.1 -14.4 51 71 18288 295 11 10.0 -4.6 | 44 11 -7.4 -7.8 52 70 18350 305 11 9.0 -6.3 | 42 13 -8.4 -9.4 53 67 18593 305 13 10.6 -7.5 | 33 13 -6.8 -10.6 54 64 18898 310 11 8.4 -7.1 | 41 14 -9.0 -10.2 55 61 19202 295 11 10.0 -4.6 | 44 11 -7.4 -7.8 56 59 19507 290 10 9.4 -3.4 | 51 10 -8.0 -6.6 57 56 19812 310 10 7.7 -6.4 | 46 14 -9.8 -9.6 58 51 20422 305 13 10.6 -7.5 | 33 13 -6.8 -10.6 59 50 20530 285 7 6.8 -1.8 | 65 12 -10.7 -4.9 60 44 21336 295 8 7.3 -3.4 | 57 12 -10.2 -6.5 61 42 21641 325 10 5.7 -8.2 | 46 16 -11.7 -11.3 62 38 22250 220 2 1.3 1.5 | 84 16 -16.1 -1.6 63 37 22555 300 10 8.7 -5.0 | 47 12 -8.8 -8.1 64 35 22860 345 14 3.6 -13.5 | 40 22 -13.8 -16.7 65 33 23165 85 10 -10.0 -0.9 | 82 28 -27.4 -4.0 66 30 23840 350 8 1.4 -7.9 | 56 19 -16.0 -11.0 67 29 24079 15 1 -0.3 -1.0 | 77 18 -17.7 -4.1 68 28 24384 30 13 -6.5 -11.3 | 59 28 -23.9 -14.4 69 26 24689 70 10 -9.4 -3.4 | 76 28 -26.8 -6.6 70 25 24994 65 2 -1.8 -0.8 | 78 20 -19.2 -4.0 71 24 25298 45 12 -8.5 -8.5 | 66 28 -25.9 -11.6 72 22 25908 20 10 -3.4 -9.4 | 59 24 -20.8 -12.5 73 21 26213 35 10 -5.7 -8.2 | 64 26 -23.2 -11.3 74 20 26470 65 11 -10.0 -4.6 | 74 28 -27.4 -7.8 75 20 26518 60 13 -11.3 -6.5 | 71 30 -28.7 -9.6 76 19 26822 50 12 -9.2 -7.7 | 68 29 -26.6 -10.8 77 18 27127 35 11 -6.3 -9.0 | 63 27 -23.7 -12.1 78 17 27432 70 7 -6.6 -2.4 | 77 25 -24.0 -5.5 79 16 28042 75 10 -9.7 -2.6 | 78 28 -27.1 -5.7 80 15 28346 65 10 -9.1 -4.2 | 74 27 -26.5 -7.4 81 14 28651 50 10 -7.7 -6.4 | 69 27 -25.1 -9.6 82 14 28956 65 14 -12.7 -5.9 | 73 31 -30.1 -9.1 83 13 29566 120 11 -9.5 5.5 | 95 27 -26.9 2.4 84 12 29870 120 10 -8.7 5.0 | 94 26 -26.1 1.9 85 11 30175 45 10 -7.1 -7.1 | 67 27 -24.5 -10.2 86 10 31050 30 7 -3.5 -6.1 | 66 23 -20.9 -9.2 87 7 33450 35 17 -9.8 -13.9 | 58 32 -27.2 -17.1 Wind Parameters Mean winds (0-6000m): 229.8 at 23.6 knts Storm direction: 259.8 at 17.7 knts Shear (0-3000m) pos: 2.7 neg: 0.8 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 67.7 deg Storm rel helicity (0-3000m) pos: 90.0 neg: -31.1 tot: 58.9 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.22 Bulk Shear: 7.37 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 ------------------------------------------------------------------------------- 500 219 17 147 12| 11.6 0.0 11.6| 49.4 0.0 49.4 98.7 0.84| 17.4 14.5 1000 225 18 156 11| 5.8 0.3 6.2| 59.2 -10.5 48.7 48.7 0.52| 13.4 7.1 1500 227 19 162 11| 3.9 0.2 4.1| 69.2 -17.3 51.9 34.6 0.42| 11.8 4.9 2000 226 19 159 11| 2.9 1.1 4.0| 75.3 -31.1 44.2 22.1 0.28| 10.7 3.0 2500 225 19 158 11| 2.7 0.9 3.6| 82.4 -31.1 51.3 20.5 0.31| 9.2 2.8 3000 225 19 160 11| 2.7 0.8 3.4| 90.0 -31.1 58.9 19.6 0.33| 8.6 2.8 4000 228 20 165 10| 2.9 0.6 3.5|118.2 -37.1 81.1 20.3 0.36| 8.8 3.1 5000 229 21 172 11| 2.3 1.0 3.3|124.1 -55.9 68.2 13.6 0.26| 8.0 2.1 6000 230 24 183 12| 2.8 0.8 3.6|161.8 -55.9 105.9 17.7 0.31| 7.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250422.12.gif