UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 23 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 4.8 0.4 73 4.4 2.9 230 7 277.2 277.8 275.5 287.9 3.89 1 1006 45 3.6 -0.2 76 3.8 2.0 224 7 276.3 276.9 274.8 286.5 3.74 2 1000 91 3.2 -0.4 77 3.6 1.7 215 6 276.4 277.0 274.8 286.5 3.71 3 961 411 0.2 -0.8 93 1.0 -0.2 228 4 276.5 277.1 275.0 286.8 3.75 4 950 504 -0.5 -2.4 87 1.9 -1.3 213 4 276.7 277.2 274.5 286.0 3.37 5 933 648 -1.7 -2.6 94 0.9 -2.0 186 3 276.9 277.5 274.7 286.2 3.38 6 925 716 -2.1 -3.2 92 1.1 -2.5 170 4 277.2 277.7 274.6 286.2 3.26 7 913 820 -2.9 -3.6 95 0.7 -3.1 173 5 277.4 277.9 274.7 286.3 3.20 8 892 1004 -4.3 -4.8 96 0.5 -4.5 181 5 277.8 278.3 274.6 286.1 3.00 9 878 1129 -4.9 -6.9 86 2.0 -5.6 189 4 278.4 278.9 274.4 285.7 2.59 10 850 1383 -6.7 -8.2 89 1.5 -7.2 170 5 279.1 279.5 274.5 286.0 2.42 11 831 1559 -7.9 -8.9 93 1.0 -8.2 180 5 279.7 280.1 274.8 286.3 2.34 12 819 1672 -8.5 -10.7 84 2.2 -9.2 186 5 280.2 280.6 274.6 286.1 2.06 13 804 1815 -9.7 -10.8 92 1.1 -10.1 194 5 280.4 280.8 274.8 286.4 2.08 14 755 2297 -13.1 -16.3 77 3.2 -13.9 172 5 281.8 282.1 274.5 286.0 1.42 15 720 2656 -16.1 -16.8 94 0.7 -16.3 116 4 282.4 282.6 274.9 286.6 1.42 16 716 2698 -16.3 -17.5 90 1.2 -16.6 109 3 282.6 282.8 274.9 286.6 1.35 17 705 2815 -16.9 -20.1 76 3.2 -17.6 125 5 283.2 283.4 274.8 286.5 1.10 18 700 2868 -17.5 -20.3 79 2.8 -18.1 145 6 283.1 283.3 274.8 286.4 1.09 19 668 3216 -20.3 -21.6 89 1.3 -20.5 159 9 283.8 284.0 275.0 286.8 1.02 20 661 3294 -20.5 -22.6 83 2.1 -20.9 162 9 284.4 284.6 275.2 287.3 0.94 21 651 3406 -21.3 -22.7 88 1.4 -21.5 172 10 284.7 284.9 275.4 287.6 0.95 22 648 3440 -21.3 -23.8 80 2.5 -21.7 177 10 285.1 285.3 275.5 287.8 0.86 23 638 3554 -22.3 -23.7 88 1.4 -22.5 195 11 285.3 285.4 275.6 288.0 0.88 24 629 3659 -22.3 -24.6 82 2.3 -22.7 212 12 286.4 286.6 276.1 289.0 0.83 25 620 3764 -23.3 -25.0 86 1.7 -23.6 209 12 286.5 286.6 276.1 288.9 0.81 26 610 3883 -24.1 -26.1 83 2.0 -24.4 202 13 286.9 287.0 276.2 289.2 0.74 27 606 3931 -24.5 -28.8 67 4.3 -25.1 198 13 286.9 287.0 276.0 288.8 0.58 28 600 4003 -25.1 -27.3 82 2.2 -25.4 196 13 287.1 287.2 276.2 289.2 0.68 29 597 4039 -25.5 -27.5 83 2.0 -25.8 198 13 287.0 287.1 276.2 289.1 0.67 30 595 4064 -25.7 -28.9 74 3.2 -26.1 199 13 287.1 287.2 276.1 288.9 0.59 31 592 4100 -25.9 -29.1 74 3.2 -26.3 201 13 287.2 287.3 276.2 289.1 0.58 32 589 4137 -26.1 -27.4 89 1.3 -26.3 203 13 287.4 287.5 276.5 289.6 0.68 33 585 4186 -26.5 -27.3 93 0.8 -26.6 205 13 287.5 287.6 276.5 289.7 0.70 34 575 4310 -27.5 -27.8 97 0.3 -27.5 211 13 287.8 287.9 276.6 289.9 0.68 35 555 4564 -28.9 -31.1 81 2.2 -29.2 219 10 289.0 289.1 277.0 290.7 0.51 36 551 4615 -29.3 -31.3 83 2.0 -29.5 221 9 289.2 289.3 277.0 290.8 0.51 37 547 4667 -29.9 -32.2 80 2.3 -30.2 223 9 289.1 289.1 276.9 290.6 0.47 38 545 4693 -30.1 -34.1 68 4.0 -30.5 223 8 289.1 289.2 276.9 290.4 0.39 39 541 4746 -30.3 -34.7 65 4.4 -30.7 225 8 289.5 289.6 277.0 290.7 0.37 40 537 4798 -30.7 -37.7 50 7.0 -31.3 227 7 289.6 289.7 276.9 290.5 0.28 41 520 5025 -32.7 -40.7 45 8.0 -33.3 232 8 289.9 289.9 277.0 290.6 0.21 42 517 5066 -32.9 -37.9 61 5.0 -33.3 233 8 290.1 290.2 277.2 291.1 0.28 43 508 5189 -34.1 -37.8 69 3.7 -34.4 235 10 290.1 290.2 277.2 291.1 0.29 44 500 5300 -35.1 -39.9 61 4.8 -35.4 230 10 290.2 290.3 277.2 291.0 0.24 45 496 5356 -35.7 -40.1 64 4.4 -36.0 229 11 290.2 290.2 277.2 291.0 0.23 46 494 5384 -35.9 -41.9 54 6.0 -36.3 228 11 290.3 290.3 277.1 290.9 0.20 47 490 5440 -36.3 -42.3 54 6.0 -36.7 226 11 290.5 290.5 277.2 291.1 0.19 48 481 5568 -37.5 -44.5 48 7.0 -37.9 217 13 290.5 290.5 277.2 291.0 0.15 49 466 5786 -38.7 -49.7 30 11.0 -39.2 196 14 291.7 291.7 277.6 292.0 0.09 50 460 5875 -39.5 -49.5 34 10.0 -39.9 196 14 291.8 291.8 277.7 292.1 0.09 51 433 6286 -41.9 -55.9 20 14.0 -42.3 209 15 293.8 293.8 278.6 294.0 0.05 52 413 6605 -43.1 -59.1 16 16.0 -43.5 208 18 296.3 296.3 279.7 296.4 0.03 53 406 6720 -43.7 -58.7 17 15.0 -44.1 195 15 296.9 296.9 280.0 297.1 0.03 54 400 6820 -42.9 -59.9 14 17.0 -43.3 190 14 299.2 299.2 281.0 299.3 0.03 55 379 7184 -44.1 -65.1 8 21.0 -44.6 204 13 302.3 302.3 282.3 302.4 0.02 56 300 8760 -42.7 -74.7 2 32.0 -43.4 290 4 325.2 325.2 290.3 325.2 0.01 57 250 9990 -42.7 -77.7 1 35.0 -43.6 335 8 342.6 342.6 295.0 342.6 0.00 58 200 11490 -44.7 -80.7 1 36.0 -45.6 300 10 362.0 362.0 299.1 362.0 0.00 59 150 13400 -47.3 -82.3 1 35.0 -48.1 310 14 388.6 388.6 303.6 388.6 0.00 60 100 16050 -52.3 -85.3 1 33.0 -53.0 265 9 426.7 426.7 308.4 426.7 0.00 61 87 16954 -51.9 -84.9 1 33.0 -52.8 294 16 444.8 444.8 310.4 444.8 0.00 62 79 17578 -53.7 -85.7 1 32.0 -54.5 302 13 453.5 453.5 311.2 453.6 0.00 63 70 18360 -52.3 -85.3 1 33.0 -53.3 310 13 472.5 472.5 312.8 472.5 0.00 64 67 18642 -51.7 -85.7 1 34.0 -52.8 315 14 479.8 479.8 313.4 479.8 0.00 65 50 20530 -52.5 -85.5 1 33.0 -53.8 285 11 519.8 519.8 316.3 519.8 0.01 66 47 20931 -50.5 -85.5 1 35.0 -52.2 285 12 533.8 533.8 317.2 533.9 0.01 67 34 23029 -53.1 -87.1 1 34.0 -54.8 33 10 578.8 578.8 319.6 578.8 0.01 68 33 23222 -51.5 -86.5 1 35.0 -53.6 54 10 588.0 588.0 320.0 588.0 0.01 69 32 23422 -52.1 -86.1 1 34.0 -54.1 51 10 591.6 591.6 320.2 591.6 0.01 70 30 23840 -51.5 -86.5 1 35.0 -53.8 60 7 604.2 604.2 320.8 604.3 0.01 71 24 25293 -49.5 -85.5 1 36.0 -52.7 346 1 649.9 649.9 322.7 649.9 0.01 72 24 25293 -49.5 -85.5 1 36.0 -52.7 346 1 649.9 649.9 322.7 649.9 0.01 73 20 26480 -51.5 -86.5 1 35.0 -54.6 80 4 678.5 678.5 323.7 678.6 0.01 74 19 26814 -51.5 -86.5 1 35.0 -54.7 75 4 688.6 688.6 324.0 688.6 0.01 75 14 28814 -49.3 -85.3 1 36.0 -54.0 97 12 758.9 758.9 326.2 759.0 0.02 76 11 30414 -45.5 -84.5 0 39.0 -52.6 43 12 826.9 826.9 327.9 827.1 0.03 77 10 31050 -45.9 -84.9 0 39.0 -53.2 50 16 848.2 848.2 328.4 848.5 0.03 78 8.7 31974 -44.9 -83.9 0 39.0 -53.2 50 15 886.6 886.6 329.2 887.0 0.04 79 7.0 33440 -38.9 -80.9 0 42.0 -51.6 50 13 968.2 968.3 330.7 969.2 0.08 80 6.4 34057 -37.1 -79.1 0 42.0 -51.4 1001.0 1001.1 331.2 1002.4 0.12 TRP 406 6720 -43.7 -58.7 17 15.0 -44.1 195 15 296.9 296.9 280.0 297.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5209.00 m Freezing level: 957.86 mb = 437.77 m = 1436.25 ft Wetbulb zero: 965.46 mb = 374.12 m = 1227.42 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 82.72 % Est. max temperature: 6.52 C = 43.73 F Sfc-Lift cond lev (LCL): 943.74 mb = 556.29 m = 1825.06 ft T: -0.94 C 700-500 lapse rate: 7.24 C/km ThetaE index: 1.33 C Layer 1006.0- 961.0 mb Conv cond level (CCL): 924.81 mb = 717.61 m = 2354.35 ft Mean mixing ratio: 3.54 g/kg Conv temperature: 4.80 C = 40.64 F Cap Strength: 3.94 C Lifted Index: 3.85 C Risk: None Lifted Index @300 mb: 27.48 C Lifted Index @700 mb: 0.53 C Showalter Index: 4.20 C Risk: None Total Totals Index: 55.30 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.40 C Cross Totals Index: 26.90 C K Index: 17.40 Risk: < 20 % chance of thunderstorms Sweat Index: 146.00 Risk: None Energy Index: 1.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.13 J/kg Max Up Vert Vel: 2.87 m/s Conv Inhibition (B-): 73416.48 J/kg Cap Strength: 3.86 C Lift Cond Lev (LCL): 931.37 mb = 661.43 m = 2170.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 230 at 6 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 15 230 7 5.4 4.5 | 233 1 0.8 0.6 1 1000 91 215 6 3.4 4.9 | 133 2 -1.1 1.0 2 974 305 245 5 4.5 2.1 | 0 2 -0.0 -1.8 3 937 610 195 3 0.8 2.9 | 75 4 -3.8 -1.0 4 925 716 170 4 -0.7 3.9 | 91 5 -5.2 0.1 5 902 914 175 6 -0.5 6.0 | 113 5 -5.1 2.1 6 868 1219 195 3 0.8 2.9 | 75 4 -3.8 -1.0 7 850 1383 170 5 -0.9 4.9 | 101 6 -5.4 1.0 8 802 1829 195 5 1.3 4.8 | 106 3 -3.2 1.0 9 771 2134 190 5 0.9 4.9 | 106 4 -3.7 1.0 10 740 2438 155 5 -2.1 4.5 | 96 7 -6.7 0.7 11 712 2743 100 3 -3.0 0.5 | 66 8 -7.5 -3.4 12 700 2868 145 6 -3.4 4.9 | 97 8 -8.0 1.0 13 655 3353 165 10 -2.6 9.7 | 129 9 -7.1 5.8 14 628 3658 215 12 6.9 9.8 | 201 6 2.3 6.0 15 602 3962 195 13 3.4 12.6 | 172 9 -1.2 8.7 16 577 4267 210 13 6.5 11.3 | 195 8 2.0 7.4 17 530 4877 230 6 4.6 3.9 | 290 0 0.1 -0.0 18 508 5182 235 10 8.2 5.7 | 243 4 3.6 1.9 19 500 5300 230 10 7.7 6.4 | 231 4 3.1 2.6 20 487 5486 225 12 8.5 8.5 | 221 6 3.9 4.6 21 465 5791 195 14 3.6 13.5 | 175 10 -0.9 9.6 22 445 6096 200 14 4.8 13.2 | 182 9 0.2 9.3 23 425 6401 215 16 9.2 13.1 | 207 10 4.6 9.2 24 407 6706 205 19 8.0 17.2 | 195 14 3.5 13.3 25 406 6720 195 15 3.9 14.5 | 176 11 -0.7 10.6 26 400 6820 190 14 2.4 13.8 | 168 10 -2.1 9.9 27 389 7010 190 14 2.4 13.8 | 168 10 -2.1 9.9 28 372 7315 215 12 6.9 9.8 | 201 6 2.3 6.0 29 355 7620 215 9 5.2 7.4 | 190 4 0.6 3.5 30 300 8760 290 4 3.8 -1.4 | 9 5 -0.8 -5.2 31 283 9144 255 10 9.7 2.6 | 284 5 5.1 -1.3 32 271 9449 275 11 11.0 -1.0 | 307 8 6.4 -4.8 33 259 9754 265 10 10.0 0.9 | 299 6 5.4 -3.0 34 250 9990 335 8 3.4 -7.3 | 6 11 -1.2 -11.1 35 247 10058 325 11 6.3 -9.0 | 352 13 1.8 -12.9 36 236 10363 325 10 5.7 -8.2 | 354 12 1.2 -12.1 37 226 10668 300 5 4.3 -2.5 | 2 6 -0.2 -6.4 38 216 10973 285 10 9.7 -2.6 | 322 8 5.1 -6.5 39 200 11490 300 10 8.7 -5.0 | 335 10 4.1 -8.9 40 188 11887 310 12 9.2 -7.7 | 338 12 4.6 -11.6 41 172 12497 290 13 12.2 -4.4 | 317 11 7.7 -8.3 42 164 12802 275 15 14.9 -1.3 | 296 12 10.4 -5.2 43 150 13400 310 14 10.7 -9.0 | 334 14 6.2 -12.9 44 150 13411 300 14 12.1 -7.0 | 325 13 7.6 -10.9 45 130 14326 300 21 18.2 -10.5 | 316 20 13.6 -14.4 46 124 14630 300 14 12.1 -7.0 | 325 13 7.6 -10.9 47 113 15240 300 16 13.9 -8.0 | 322 15 9.3 -11.9 48 108 15545 275 12 12.0 -1.0 | 304 9 7.4 -4.9 49 103 15850 305 13 10.6 -7.5 | 332 13 6.1 -11.3 50 100 16050 265 9 9.0 0.8 | 305 5 4.4 -3.1 51 98 16154 300 10 8.7 -5.0 | 335 10 4.1 -8.9 52 94 16459 265 9 9.0 0.8 | 305 5 4.4 -3.1 53 90 16764 300 18 15.6 -9.0 | 319 17 11.0 -12.9 54 85 17069 290 14 13.2 -4.8 | 315 12 8.6 -8.7 55 82 17374 315 16 11.3 -11.3 | 336 17 6.8 -15.2 56 78 17678 295 12 10.9 -5.1 | 325 11 6.3 -8.9 57 71 18288 295 15 13.6 -6.3 | 318 14 9.1 -10.2 58 70 18360 310 13 10.0 -8.4 | 336 13 5.4 -12.2 59 64 18898 320 14 9.0 -10.7 | 343 15 4.5 -14.6 60 53 20117 325 10 5.7 -8.2 | 354 12 1.2 -12.1 61 51 20422 280 10 9.8 -1.7 | 317 8 5.3 -5.6 62 50 20530 285 11 10.6 -2.8 | 318 9 6.1 -6.7 63 46 21031 285 12 11.6 -3.1 | 315 10 7.0 -7.0 64 44 21336 360 9 -0.0 -9.0 | 19 14 -4.5 -12.9 65 42 21641 315 11 7.8 -7.8 | 344 12 3.2 -11.7 66 40 21946 355 11 1.0 -11.0 | 14 15 -3.6 -14.8 67 38 22250 10 10 -1.7 -9.8 | 25 15 -6.3 -13.7 68 35 22860 5 10 -0.9 -10.0 | 21 15 -5.4 -13.8 69 33 23165 55 10 -8.2 -5.7 | 53 16 -12.7 -9.6 70 32 23470 50 10 -7.7 -6.4 | 50 16 -12.2 -10.3 71 30 23774 85 12 -12.0 -1.0 | 73 17 -16.5 -4.9 72 30 23840 60 7 -6.1 -3.5 | 55 13 -10.6 -7.4 73 28 24384 110 7 -6.6 2.4 | 82 11 -11.1 -1.5 74 24 25298 345 1 0.3 -1.0 | 42 6 -4.3 -4.8 75 23 25603 330 10 5.0 -8.7 | 358 13 0.5 -12.5 76 22 25908 350 13 2.3 -12.8 | 8 17 -2.3 -16.7 77 20 26480 80 4 -3.9 -0.7 | 62 10 -8.5 -4.6 78 19 26822 75 4 -3.9 -1.0 | 60 10 -8.4 -4.9 79 17 27432 90 6 -6.0 0.0 | 70 11 -10.5 -3.9 80 16 28042 70 10 -9.4 -3.4 | 62 16 -13.9 -7.3 81 15 28346 75 18 -17.4 -4.7 | 69 24 -21.9 -8.5 82 14 28651 100 11 -10.8 1.9 | 83 16 -15.4 -2.0 83 13 29261 90 15 -15.0 0.0 | 79 20 -19.5 -3.9 84 13 29566 100 15 -14.8 2.6 | 86 19 -19.3 -1.3 85 12 29870 85 15 -14.9 -1.3 | 75 20 -19.5 -5.2 86 11 30175 40 10 -6.4 -7.7 | 44 16 -11.0 -11.5 87 10 31050 50 16 -12.3 -10.3 | 50 22 -16.8 -14.2 88 7 33440 50 13 -10.0 -8.4 | 50 19 -14.5 -12.2 Wind Parameters Mean winds (0-6000m): 199.5 at 8.0 knts Storm direction: 229.5 at 6.0 knts Shear (0-3000m) pos: 0.5 neg: 1.6 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -125.9 deg Storm rel helicity (0-3000m) pos: 20.2 neg: -12.4 tot: 7.8 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.75 Bulk Shear: 2.37 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 ------------------------------------------------------------------------------- 500 228 5 58 1| 0.0 3.9 3.9| 1.0 -0.6 0.4 0.8 -0.23| 7.9 -1.8 1000 206 5 100 2| 0.0 2.7 2.7| 5.3 -1.5 3.8 3.8 0.06| 7.0 0.4 1500 197 5 100 3| 0.0 1.9 1.9| 7.8 -3.7 4.1 2.7 0.05| 6.5 0.3 2000 195 5 102 3| 0.3 1.4 1.8| 8.0 -3.7 4.4 2.2 0.06| 5.3 0.3 2500 190 5 103 4| 0.3 2.0 2.2| 8.0 -7.0 1.0 0.4 -0.04| 5.1 -0.2 3000 182 5 102 4| 0.5 1.6 2.1| 20.2 -12.4 7.8 2.6 0.06| 5.7 0.4 4000 185 6 121 5| 1.5 1.2 2.7| 45.0 -17.4 27.6 6.9 0.24| 6.3 1.5 5000 194 7 137 4| 1.1 1.0 2.0| 52.4 -17.4 34.9 7.0 0.26| 6.2 1.6 6000 200 8 153 4| 0.9 1.2 2.0| 54.3 -31.4 22.9 3.8 0.12| 6.3 0.8 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250423.00.gif