UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 24 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 -0.5 -1.1 96 0.6 -0.7 271.8 272.4 271.8 281.2 3.48 1 1000 99 -1.3 -1.3 100 0.0 -1.3 230 6 271.9 272.4 271.8 281.2 3.47 2 962 407 -3.3 -3.3 100 0.0 -3.3 280 6 272.9 273.4 271.9 281.3 3.11 3 958 440 -1.9 -3.6 88 1.7 -2.6 285 5 274.6 275.1 272.9 283.0 3.05 4 957 448 -1.5 -3.9 84 2.4 -2.4 286 5 275.1 275.6 273.1 283.3 2.99 5 956 456 0.0 -6.0 64 6.0 -2.1 288 5 276.7 277.1 273.3 283.8 2.55 6 955 465 0.8 -5.2 64 6.0 -1.4 289 5 277.6 278.0 274.1 285.2 2.71 7 951 499 1.0 -3.9 70 4.9 -0.9 294 5 278.1 278.6 274.8 286.5 3.01 8 945 549 1.0 -7.0 55 8.0 -1.9 303 5 278.6 279.0 274.2 285.4 2.39 9 939 601 0.6 -6.4 59 7.0 -1.9 311 5 278.7 279.1 274.5 285.8 2.52 10 934 643 0.4 -3.8 73 4.2 -1.2 318 5 278.9 279.5 275.4 287.6 3.09 11 925 721 0.0 -5.0 69 5.0 -1.9 330 5 279.3 279.8 275.2 287.3 2.84 12 915 808 0.0 -6.0 64 6.0 -2.2 340 4 280.2 280.6 275.5 287.7 2.66 13 850 1393 -4.9 -7.1 85 2.2 -5.7 50 1 281.0 281.5 275.9 288.5 2.64 14 838 1505 -5.9 -7.4 89 1.5 -6.4 61 1 281.1 281.6 275.9 288.5 2.61 15 828 1599 -6.3 -7.5 91 1.2 -6.7 70 2 281.7 282.1 276.2 289.1 2.62 16 817 1703 -6.5 -10.2 75 3.7 -7.7 81 2 282.5 282.9 276.0 288.7 2.15 17 804 1828 -7.1 -12.1 67 5.0 -8.6 93 2 283.2 283.5 276.0 288.6 1.88 18 751 2355 -11.9 -13.3 89 1.4 -12.3 146 4 283.5 283.9 276.1 288.9 1.82 19 733 2541 -12.9 -15.9 78 3.0 -13.7 164 4 284.4 284.7 276.1 288.9 1.51 20 729 2582 -12.5 -17.0 69 4.5 -13.6 169 4 285.3 285.6 276.4 289.4 1.38 21 711 2773 -13.9 -20.9 55 7.0 -15.4 188 5 285.8 286.0 276.1 288.9 1.02 22 703 2859 -14.7 -20.7 60 6.0 -16.0 197 5 285.9 286.0 276.2 289.0 1.05 23 700 2891 -14.9 -20.9 60 6.0 -16.2 200 5 286.0 286.2 276.2 289.1 1.03 24 661 3322 -17.7 -24.7 54 7.0 -19.0 217 13 287.6 287.7 276.6 290.0 0.78 25 653 3413 -17.9 -30.9 31 13.0 -19.8 221 15 288.3 288.4 276.5 289.8 0.44 26 651 3435 -18.1 -30.1 34 12.0 -20.0 222 16 288.4 288.4 276.6 289.9 0.48 27 645 3504 -18.7 -34.7 23 16.0 -20.8 224 17 288.4 288.5 276.4 289.5 0.31 28 642 3539 -18.7 -45.7 7 27.0 -21.3 226 18 288.8 288.9 276.2 289.2 0.10 29 628 3703 -19.3 -46.3 7 27.0 -21.8 232 21 290.0 290.0 276.8 290.3 0.10 30 618 3822 -19.1 -47.1 7 28.0 -21.7 237 23 291.5 291.6 277.6 291.8 0.09 31 613 3883 -19.5 -38.5 17 19.0 -21.8 239 24 291.8 291.8 277.9 292.5 0.22 32 608 3943 -19.9 -44.9 9 25.0 -22.4 242 26 292.0 292.0 277.9 292.4 0.11 33 589 4178 -20.9 -50.9 5 30.0 -23.4 251 30 293.5 293.5 278.4 293.7 0.06 34 574 4368 -22.1 -53.1 4 31.0 -24.4 259 34 294.2 294.3 278.8 294.4 0.05 35 555 4615 -22.3 -57.3 3 35.0 -24.7 269 39 296.9 296.9 280.0 297.0 0.03 36 550 4682 -21.5 -58.5 2 37.0 -24.1 272 40 298.6 298.6 280.7 298.7 0.03 37 533 4913 -21.9 -58.9 2 37.0 -24.5 281 45 300.8 300.8 281.7 300.9 0.03 38 507 5279 -24.1 -55.1 4 31.0 -26.3 296 52 302.5 302.5 282.4 302.6 0.04 39 500 5380 -23.5 -56.5 3 33.0 -25.9 300 54 304.4 304.4 283.2 304.5 0.04 40 499 5395 -23.5 -56.5 3 33.0 -25.9 301 51 304.6 304.6 283.2 304.7 0.04 41 474 5769 -24.9 -58.9 3 34.0 -27.1 305 57 307.3 307.3 284.4 307.4 0.03 42 448 6176 -28.1 -55.1 6 27.0 -29.9 309 60 308.3 308.3 284.8 308.5 0.05 43 444 6240 -28.7 -50.7 10 22.0 -30.3 308 61 308.3 308.4 284.8 308.7 0.08 44 441 6288 -29.1 -43.1 25 14.0 -30.4 307 61 308.4 308.5 285.0 309.1 0.19 45 440 6304 -29.1 -40.1 34 11.0 -30.2 307 62 308.6 308.7 285.2 309.6 0.26 46 439 6321 -29.1 -32.2 74 3.1 -29.5 306 62 308.8 309.0 285.6 310.8 0.58 47 435 6386 -29.5 -31.2 85 1.7 -29.7 305 63 309.1 309.3 285.8 311.4 0.65 48 428 6501 -30.1 -33.9 69 3.8 -30.6 303 64 309.8 309.9 285.9 311.6 0.51 49 422 6602 -30.7 -32.3 86 1.6 -30.9 302 66 310.3 310.4 286.2 312.4 0.60 50 420 6635 -30.7 -32.8 82 2.1 -31.0 301 66 310.7 310.8 286.3 312.7 0.58 51 418 6669 -30.9 -33.0 82 2.1 -31.2 301 66 310.9 311.0 286.4 312.9 0.57 52 417 6686 -31.1 -31.9 93 0.8 -31.2 300 67 310.8 311.0 286.4 313.0 0.63 53 414 6737 -31.3 -32.0 94 0.7 -31.4 299 67 311.2 311.4 286.5 313.4 0.63 54 412 6771 -31.5 -32.3 93 0.8 -31.6 299 66 311.4 311.5 286.6 313.5 0.62 55 400 6980 -31.9 -36.3 65 4.4 -32.4 295 63 313.5 313.6 287.1 315.0 0.43 TRP WND Sounding variables and indices 1000-500 mb thick: 5281.00 m Freezing level: Surface below freezing Freezing level: 956.00 mb = 456.40 m = 1497.35 ft Freezing level: 915.00 mb = 808.07 m = 2651.11 ft Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 48.45 % Est. max temperature: 8.60 C = 47.49 F Sfc-Lift cond lev (LCL): 1001.49 mb = 87.56 m = 287.26 ft T: -1.19 C 700-500 lapse rate: 3.46 C/km ThetaE index: 1.14 C Layer 945.0- 939.0 mb Conv cond level (CCL): 844.94 mb = 1439.88 m = 4723.95 ft Mean mixing ratio: 3.05 g/kg Conv temperature: 8.79 C = 47.81 F Cap Strength: 15.90 C Lifted Index: 17.38 C Risk: None Lifted Index @700 mb: 4.94 C Showalter Index: 13.86 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.40 C K Index: 5.50 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.28 J/kg Max Up Vert Vel: 9.83 m/s Conv Inhibition (B-): 2461.72 J/kg Cap Strength: 15.80 C Lift Cond Lev (LCL): 919.21 mb = 771.32 m = 2530.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 126 at 2 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 1000 99 230 6 4.6 3.9 | 247 7 6.2 2.6 1 925 721 330 5 2.5 -4.3 | 323 7 4.1 -5.5 2 850 1393 50 1 -0.8 -0.6 | 335 2 0.9 -1.9 3 700 2891 200 5 1.7 4.7 | 224 5 3.4 3.5 4 500 5380 300 54 46.8 -27.0 | 300 56 48.4 -28.2 5 1015 305 225 6 4.2 4.2 | 243 7 5.9 3.0 6 973 610 325 9 5.2 -7.4 | 322 11 6.8 -8.6 7 932 914 360 5 -0.0 -5.0 | 345 6 1.6 -6.2 8 893 1219 90 3 -3.0 0.0 | 48 2 -1.4 -1.2 9 820 1829 140 7 -4.5 5.4 | 145 5 -2.9 4.2 10 786 2134 115 7 -6.3 3.0 | 110 5 -4.7 1.7 11 754 2438 140 9 -5.8 6.9 | 144 7 -4.1 5.7 12 722 2743 185 4 0.3 4.0 | 216 3 2.0 2.8 13 636 3658 275 1 1.0 -0.1 | 296 3 2.6 -1.3 14 584 4267 280 7 6.9 -1.2 | 286 9 8.5 -2.4 15 560 4572 285 18 17.4 -4.7 | 287 20 19.0 -5.9 16 536 4877 305 31 25.4 -17.8 | 305 33 27.0 -19.0 17 493 5486 300 55 47.6 -27.5 | 300 57 49.3 -28.7 18 452 6096 310 59 45.2 -37.9 | 310 61 46.8 -39.1 19 416 6706 300 67 58.0 -33.5 | 300 69 59.7 -34.7 20 400 6980 295 63 57.1 -26.6 | 295 65 58.7 -27.8 21 380 7315 300 61 52.8 -30.5 | 300 63 54.5 -31.7 Wind Parameters Mean winds (0-6000m): 96.4 at 2.7 knts Storm direction: 126.4 at 2.0 knts Storm rel Dir Shear (0-3000m): 175.9 deg Energy-Hel index: -3.02 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 ------------------------------------------------------------------------------- 500 261 6 273 7| | | 1000 296 5 299 7| | | 1500 305 4 306 6| | | 2000 313 3 311 5| | | 2500 271 3 284 5| | | 3000 243 4 265 5| | | 4000 241 7 254 8| | | 5000 277 13 281 15| | | 6000 96 3 49 1| | | Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250424.12.gif