UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 18 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 1005 15 -1.3 -2.6 91 1.3 -1.8 245 10 271.5 272.0 271.1 279.9 3.14 1 1000 49 -1.5 -2.7 92 1.2 -2.0 235 9 271.6 272.2 271.2 280.1 3.13 2 948 471 -5.1 -5.1 100 0.0 -5.1 243 27 272.2 272.6 270.9 279.7 2.75 3 925 664 -6.3 -6.4 99 0.1 -6.3 245 27 272.9 273.3 271.1 279.9 2.56 4 879 1062 -8.7 -9.1 97 0.4 -8.8 255 26 274.4 274.8 271.4 280.5 2.18 5 872 1124 -6.9 -7.2 98 0.3 -7.0 259 26 276.9 277.3 273.5 284.0 2.55 6 850 1323 -7.7 -8.0 98 0.3 -7.8 265 23 278.1 278.5 274.0 285.0 2.46 7 841 1406 -8.5 -8.8 98 0.3 -8.6 267 20 278.1 278.5 273.8 284.7 2.33 8 838 1433 -6.9 -7.5 95 0.6 -7.1 268 19 280.1 280.5 275.3 287.4 2.59 9 832 1489 -7.1 -8.5 90 1.4 -7.5 269 17 280.4 280.8 275.2 287.3 2.42 10 798 1814 -8.5 -10.5 85 2.0 -9.1 261 15 282.3 282.7 275.9 288.5 2.15 11 782 1970 -9.7 -11.2 89 1.5 -10.2 267 16 282.6 283.0 276.0 288.6 2.08 12 773 2060 -9.7 -12.4 81 2.7 -10.5 271 16 283.6 283.9 276.2 289.1 1.91 13 765 2140 -10.3 -13.5 77 3.2 -11.2 275 17 283.8 284.1 276.1 288.9 1.76 14 711 2700 -13.9 -16.1 83 2.2 -14.5 279 19 285.8 286.1 276.9 290.4 1.53 15 700 2818 -14.7 -17.5 79 2.8 -15.4 275 20 286.2 286.4 276.8 290.3 1.38 16 683 3003 -16.1 -19.2 77 3.1 -16.8 276 21 286.7 286.9 276.8 290.4 1.22 17 679 3047 -16.5 -20.8 69 4.3 -17.4 276 21 286.7 286.9 276.6 290.0 1.07 18 651 3362 -18.9 -21.2 82 2.3 -19.4 278 22 287.5 287.6 277.0 290.8 1.08 19 641 3477 -19.5 -22.2 79 2.7 -20.0 279 22 288.1 288.2 277.2 291.1 1.01 20 631 3593 -20.3 -25.3 64 5.0 -21.2 280 23 288.4 288.6 277.1 290.8 0.77 21 618 3746 -21.3 -24.8 73 3.5 -21.9 281 24 289.0 289.2 277.4 291.6 0.83 22 602 3939 -23.1 -28.1 64 5.0 -23.8 282 25 289.1 289.2 277.2 291.1 0.63 23 567 4374 -26.7 -29.2 79 2.5 -27.1 286 27 289.9 290.0 277.6 291.8 0.60 24 559 4476 -26.9 -30.9 69 4.0 -27.4 288 27 290.8 290.9 277.9 292.5 0.52 25 550 4592 -28.1 -31.1 75 3.0 -28.5 290 26 290.7 290.8 277.9 292.4 0.52 26 544 4671 -28.5 -32.9 66 4.4 -29.0 290 27 291.2 291.3 277.9 292.6 0.44 27 529 4870 -29.9 -33.4 71 3.5 -30.3 290 29 291.8 291.9 278.3 293.2 0.43 28 511 5116 -31.5 -35.3 69 3.8 -31.9 293 34 292.8 292.9 278.6 294.0 0.37 29 508 5157 -31.3 -35.6 66 4.3 -31.7 294 35 293.5 293.6 279.0 294.7 0.36 30 505 5199 -30.3 -40.3 37 10.0 -31.2 294 36 295.3 295.3 279.6 296.0 0.23 31 504 5213 -30.1 -40.1 37 10.0 -31.0 294 37 295.7 295.7 279.7 296.4 0.23 32 502 5242 -30.3 -39.3 41 9.0 -31.1 295 37 295.8 295.8 279.8 296.6 0.25 33 500 5270 -30.5 -40.5 37 10.0 -31.4 295 38 295.9 295.9 279.8 296.6 0.22 34 496 5327 -30.9 -43.9 27 13.0 -31.9 296 39 296.0 296.1 279.8 296.6 0.16 35 487 5458 -31.1 -38.1 50 7.0 -31.7 299 41 297.4 297.4 280.6 298.3 0.29 36 483 5516 -31.5 -38.5 50 7.0 -32.1 300 41 297.6 297.6 280.7 298.5 0.28 37 480 5561 -31.9 -38.9 50 7.0 -32.5 299 42 297.6 297.6 280.7 298.5 0.27 38 475 5635 -32.5 -43.5 33 11.0 -33.3 299 43 297.7 297.8 280.6 298.3 0.17 39 470 5710 -32.7 -39.7 50 7.0 -33.3 298 43 298.4 298.5 281.0 299.3 0.26 40 467 5755 -32.9 -39.9 50 7.0 -33.5 298 44 298.7 298.7 281.1 299.6 0.25 41 432 6300 -37.1 -41.4 64 4.3 -37.4 294 47 300.1 300.1 281.7 300.9 0.24 42 428 6365 -37.7 -42.7 59 5.0 -38.0 293 47 300.1 300.2 281.7 300.8 0.21 43 422 6462 -38.3 -41.9 69 3.6 -38.5 293 47 300.6 300.6 281.9 301.4 0.23 44 411 6644 -39.7 -45.7 53 6.0 -40.0 291 47 301.0 301.1 282.0 301.6 0.16 45 409 6678 -39.7 -44.7 59 5.0 -40.0 291 46 301.5 301.5 282.2 302.1 0.17 46 406 6728 -40.1 -46.1 53 6.0 -40.4 291 46 301.6 301.6 282.2 302.1 0.15 47 403 6779 -40.5 -45.4 59 4.9 -40.8 290 46 301.7 301.7 282.3 302.3 0.16 48 400 6830 -40.7 -46.7 52 6.0 -41.0 290 46 302.1 302.1 282.4 302.6 0.14 49 399 6847 -40.7 -46.7 52 6.0 -41.0 290 46 302.3 302.3 282.5 302.8 0.14 50 377 7228 -44.3 -48.7 61 4.4 -44.5 292 44 302.5 302.5 282.5 302.9 0.12 51 375 7264 -44.5 -48.5 64 4.0 -44.7 293 44 302.7 302.7 282.7 303.1 0.12 52 368 7389 -45.1 -52.1 45 7.0 -45.3 294 43 303.5 303.5 282.9 303.8 0.08 53 367 7408 -45.1 -54.1 36 9.0 -45.4 294 43 303.8 303.8 283.0 304.0 0.07 54 365 7444 -44.7 -60.7 15 16.0 -45.1 294 43 304.8 304.8 283.4 304.9 0.03 55 360 7536 -44.5 -59.5 17 15.0 -44.9 294 42 306.2 306.3 284.0 306.4 0.03 56 300 8740 -49.1 -62.1 21 13.0 -49.4 285 38 316.1 316.2 287.5 316.3 0.03 57 289 8986 -50.1 -64.1 18 14.0 -50.4 290 37 318.1 318.1 288.2 318.2 0.02 58 250 9940 -48.9 -70.9 6 22.0 -49.3 275 34 333.4 333.4 292.6 333.4 0.01 59 200 11400 -49.9 -72.9 5 23.0 -50.4 285 35 353.8 353.8 297.4 353.8 0.01 60 150 13290 -49.1 -74.1 4 25.0 -49.8 260 24 385.5 385.5 303.1 385.5 0.01 61 100 15940 -50.5 -76.5 3 26.0 -51.4 240 24 430.2 430.2 308.9 430.2 0.01 62 96 16207 -50.5 -77.5 3 27.0 -51.4 238 24 435.2 435.2 309.4 435.3 0.01 63 93 16415 -48.5 -76.5 2 28.0 -49.7 231 22 443.1 443.1 310.2 443.2 0.01 64 88 16779 -48.9 -75.9 3 27.0 -50.0 259 13 449.4 449.4 310.8 449.5 0.01 65 80 17401 -52.9 -79.9 2 27.0 -53.7 208 11 453.6 453.6 311.2 453.6 0.01 66 76 17732 -52.5 -81.5 2 29.0 -53.4 243 21 461.1 461.1 311.9 461.1 0.01 67 75 17818 -50.5 -79.5 2 29.0 -51.7 239 20 467.0 467.0 312.4 467.1 0.01 68 71 18177 -49.9 -77.9 2 28.0 -51.1 224 14 475.7 475.7 313.1 475.8 0.01 69 70 18270 -48.3 -78.3 2 30.0 -49.8 220 12 481.1 481.1 313.5 481.1 0.01 70 69 18364 -48.3 -78.3 2 30.0 -49.8 225 17 483.0 483.0 313.7 483.1 0.01 71 60 19280 -49.3 -78.3 2 29.0 -50.8 201 17 500.5 500.5 315.0 500.6 0.01 72 57 19614 -51.1 -81.1 2 30.0 -52.5 185 22 503.8 503.8 315.2 503.9 0.01 73 54 19966 -50.5 -79.5 2 29.0 -52.0 220 20 513.0 513.1 315.8 513.1 0.01 74 53 20088 -48.5 -79.5 2 31.0 -50.4 232 20 520.4 520.4 316.4 520.5 0.01 75 50 20470 -49.1 -81.1 1 32.0 -51.0 225 6 527.8 527.8 316.8 527.8 0.01 76 44 21303 -50.3 -82.3 1 32.0 -52.1 188 10 544.5 544.5 317.8 544.5 0.01 77 42 21607 -48.9 -81.9 1 33.0 -51.1 211 14 555.2 555.2 318.4 555.3 0.01 78 34 22978 -52.9 -84.9 1 32.0 -54.6 176 17 579.3 579.3 319.6 579.4 0.01 79 33 23171 -51.1 -85.1 1 34.0 -53.2 195 20 589.1 589.1 320.1 589.1 0.01 80 31 23577 -50.7 -83.7 1 33.0 -53.1 200 16 600.8 600.8 320.6 600.8 0.01 81 30 23790 -51.1 -84.1 1 33.0 -53.4 145 2 605.3 605.3 320.9 605.4 0.01 82 28 24238 -50.9 -83.9 1 33.0 -53.4 172 5 618.0 618.0 321.4 618.0 0.01 83 26 24717 -53.7 -85.7 1 32.0 -55.8 177 15 623.2 623.2 321.6 623.3 0.01 84 24 25235 -50.7 -84.7 1 34.0 -53.6 228 12 646.4 646.4 322.6 646.5 0.01 85 24 25235 -51.7 -84.7 1 33.0 -54.3 228 12 643.5 643.5 322.4 643.6 0.01 86 20 26420 -50.5 -85.5 1 35.0 -53.8 345 3 681.6 681.6 323.8 681.7 0.01 87 17 27485 -49.7 -84.7 1 35.0 -53.7 137 12 716.6 716.6 325.0 716.7 0.02 88 16 27882 -49.9 -84.9 1 35.0 -54.0 168 11 728.5 728.5 325.3 728.6 0.02 89 15 28307 -48.1 -85.1 1 37.0 -53.0 144 10 748.0 748.0 325.9 748.2 0.02 90 14 28762 -48.3 -84.3 1 36.0 -53.4 102 10 762.3 762.3 326.3 762.4 0.02 91 12 29785 -45.9 -83.9 1 38.0 -52.5 60 8 805.1 805.1 327.4 805.4 0.03 92 11 30364 -46.9 -83.9 1 37.0 -53.4 43 7 821.8 821.8 327.8 822.1 0.03 93 10 31000 -44.3 -83.3 1 39.0 -52.4 25 6 854.2 854.2 328.5 854.5 0.04 94 9.7 31204 -44.9 -83.9 0 39.0 -52.8 23 6 859.4 859.4 328.6 859.7 0.04 95 8.7 31932 -44.3 -84.3 0 40.0 -52.9 17 7 888.9 888.9 329.2 889.3 0.04 96 8.4 32168 -42.1 -83.1 0 41.0 -52.1 15 7 906.5 906.5 329.5 907.0 0.05 97 8.3 32249 -42.1 -83.1 0 41.0 -52.1 15 7 909.6 909.6 329.6 910.1 0.05 98 7.8 32668 -44.3 -83.3 1 39.0 -53.4 11 7 917.1 917.1 329.8 917.6 0.05 99 7.1 33303 -40.5 -81.5 0 41.0 -52.2 6 8 957.7 957.8 330.5 958.5 0.07 100 7.0 33400 -40.5 -81.5 0 41.0 -52.2 5 8 961.6 961.7 330.5 962.4 0.07 101 6.7 33698 -41.7 -82.7 0 41.0 -52.9 968.7 968.8 330.7 969.4 0.06 TRP 289 8986 -50.1 -64.1 18 14.0 -50.4 290 37 318.1 318.1 288.2 318.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5221.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 81.03 % Est. max temperature: 5.05 C = 41.09 F Sfc-Lift cond lev (LCL): 984.60 mb = 171.76 m = 563.52 ft T: -2.55 C 700-500 lapse rate: 6.44 C/km ThetaE index: 0.43 C Layer 948.0- 925.0 mb Conv cond level (CCL): 950.23 mb = 452.82 m = 1485.60 ft Mean mixing ratio: 2.79 g/kg Conv temperature: -0.60 C = 30.91 F Cap Strength: 13.45 C Lifted Index: 13.48 C Risk: None Lifted Index @300 mb: 25.70 C Lifted Index @700 mb: 8.01 C Showalter Index: 9.53 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 22.50 C K Index: 12.00 Risk: None Sweat Index: 84.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.39 J/kg Max Up Vert Vel: 3.84 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 11.73 C Lift Cond Lev (LCL): 947.88 mb = 472.39 m = 1549.82 ft Lev Free Conv (LFC): 942.88 mb = 513.86 m = 1685.87 ft Equ Level (EL): 922.88 mb = 681.84 m = 2236.99 ft B at Equ Level: 7.24 J/kg Max Parcel Lev (MPL): 872.88 mb = 1115.84 m = 3660.86 ft Wind level data Storm motion: 309 at 19 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 1005 15 245 10 9.1 4.2 | 160 17 -6.0 16.2 1 1000 49 235 9 7.4 5.2 | 156 19 -7.7 17.1 2 968 305 240 25 21.7 12.5 | 195 25 6.6 24.5 3 931 610 245 28 25.4 11.8 | 203 26 10.3 23.8 4 925 664 245 27 24.5 11.4 | 202 25 9.4 23.4 5 896 914 245 27 24.5 11.4 | 202 25 9.4 23.4 6 861 1219 265 25 24.9 2.2 | 215 17 9.9 14.1 7 850 1323 265 23 22.9 2.0 | 209 16 7.9 14.0 8 828 1524 270 16 16.0 -0.0 | 185 12 1.0 12.0 9 796 1829 260 15 14.8 2.6 | 179 15 -0.3 14.6 10 765 2134 275 17 16.9 -1.5 | 190 11 1.9 10.5 11 735 2438 275 18 17.9 -1.6 | 196 11 2.9 10.4 12 707 2743 280 19 18.7 -3.3 | 203 9 3.7 8.7 13 700 2818 275 20 19.9 -1.7 | 206 11 4.9 10.2 14 624 3658 280 23 22.7 -4.0 | 224 11 7.6 8.0 15 574 4267 285 28 27.0 -7.2 | 249 13 12.0 4.7 16 550 4572 290 26 24.4 -8.9 | 252 10 9.4 3.1 17 528 4877 290 29 27.3 -9.9 | 260 12 12.2 2.0 18 500 5270 295 38 34.4 -16.1 | 282 20 19.4 -4.1 19 485 5486 300 41 35.5 -20.5 | 293 22 20.5 -8.5 20 444 6096 295 48 43.5 -20.3 | 286 30 28.5 -8.3 21 400 6830 290 46 43.2 -15.7 | 278 28 28.2 -3.8 22 355 7620 295 42 38.1 -17.7 | 284 24 23.0 -5.8 23 339 7925 300 40 34.6 -20.0 | 292 21 19.6 -8.0 24 309 8534 280 41 40.4 -7.1 | 259 26 25.3 4.8 25 300 8740 285 38 36.7 -9.8 | 264 22 21.7 2.1 26 289 8986 290 37 34.8 -12.7 | 272 20 19.7 -0.7 27 282 9144 290 37 34.8 -12.7 | 272 20 19.7 -0.7 28 250 9940 275 34 33.9 -3.0 | 244 21 18.8 9.0 29 234 10363 275 37 36.9 -3.2 | 248 24 21.8 8.7 30 200 11400 285 35 33.8 -9.1 | 261 19 18.8 2.9 31 177 12192 280 33 32.5 -5.7 | 250 19 17.5 6.2 32 150 13290 260 24 23.6 4.2 | 208 18 8.6 16.1 33 134 14021 250 26 24.4 8.9 | 204 23 9.4 20.9 34 128 14326 245 22 19.9 9.3 | 193 22 4.9 21.3 35 122 14630 255 26 25.1 6.7 | 208 21 10.1 18.7 36 117 14935 265 24 23.9 2.1 | 212 17 8.9 14.1 37 111 15240 255 18 17.4 4.7 | 188 17 2.3 16.6 38 106 15545 215 16 9.2 13.1 | 167 26 -5.9 25.1 39 100 15940 240 24 20.8 12.0 | 193 25 5.7 24.0 40 97 16154 240 24 20.8 12.0 | 193 25 5.7 24.0 41 92 16459 230 22 16.9 14.1 | 184 26 1.8 26.1 42 88 16764 260 13 12.8 2.3 | 171 14 -2.2 14.2 43 84 17069 220 8 5.1 6.1 | 151 21 -9.9 18.1 44 80 17374 205 10 4.2 9.1 | 153 24 -10.8 21.0 45 77 17678 245 22 19.9 9.3 | 193 22 4.9 21.3 46 70 18270 220 12 7.7 9.2 | 161 22 -7.3 21.2 47 70 18288 235 18 14.7 10.3 | 179 22 -0.3 22.3 48 67 18593 195 12 3.1 11.6 | 153 26 -11.9 23.6 49 64 18898 220 15 9.6 11.5 | 167 24 -5.4 23.5 50 61 19202 210 16 8.0 13.9 | 165 27 -7.0 25.8 51 58 19507 175 22 -1.9 21.9 | 153 38 -17.0 33.9 52 53 20117 235 20 16.4 11.5 | 183 23 1.3 23.4 53 50 20422 230 24 18.4 15.4 | 187 28 3.3 27.4 54 50 20470 225 6 4.2 4.2 | 146 19 -10.8 16.2 55 48 20726 240 16 13.9 8.0 | 177 20 -1.2 20.0 56 44 21336 185 10 0.9 10.0 | 147 26 -14.2 21.9 57 42 21641 215 14 8.0 11.5 | 163 24 -7.0 23.4 58 38 22250 185 2 0.2 2.0 | 133 20 -14.9 14.0 59 36 22555 135 10 -7.1 7.1 | 131 29 -22.1 19.0 60 33 23165 195 20 5.2 19.3 | 162 33 -9.9 31.3 61 32 23470 195 19 4.9 18.4 | 162 32 -10.1 30.3 62 30 23774 210 10 5.0 8.7 | 154 23 -10.0 20.6 63 30 23790 145 2 -1.1 1.6 | 130 21 -16.2 13.6 64 29 24079 195 1 0.3 1.0 | 131 20 -14.8 12.9 65 27 24384 150 8 -4.0 6.9 | 135 27 -19.0 18.9 66 25 24994 200 20 6.8 18.8 | 165 32 -8.2 30.8 67 24 25298 235 10 8.2 5.7 | 159 19 -6.9 17.7 68 20 26420 345 3 0.8 -2.9 | 122 17 -14.3 9.1 69 20 26518 180 1 0.0 1.0 | 131 20 -15.0 13.0 70 18 27127 70 10 -9.4 -3.4 | 109 26 -24.4 8.5 71 17 27432 130 12 -9.2 7.7 | 129 31 -24.2 19.7 72 16 27737 165 13 -3.4 12.6 | 143 31 -18.4 24.5 73 16 28042 170 10 -1.7 9.8 | 142 28 -16.8 21.8 74 14 28956 85 10 -10.0 -0.9 | 114 27 -25.0 11.1 75 10 31000 25 6 -2.5 -5.4 | 110 19 -17.6 6.5 76 7 33400 5 8 -0.7 -8.0 | 104 16 -15.7 4.0 Wind Parameters Mean winds (0-6000m): 278.5 at 25.6 knts Storm direction: 308.5 at 19.2 knts Shear (0-3000m) pos: 2.7 neg: 3.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 49.9 deg Storm rel helicity (0-3000m) pos: 143.4 neg: -36.4 tot: 107.0 m^2/s^2 ave: 35.7 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 33.10 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 ------------------------------------------------------------------------------- 500 240 20 186 22| 0.0 17.6 17.6| 91.0 0.0 91.0 182.0 0.87| 18.7 16.2 1000 243 24 195 23| 2.0 8.8 10.8|109.5 -4.1 105.4 105.4 0.77| 12.0 9.2 1500 250 23 199 21| 4.9 5.9 10.8|125.3 -31.0 94.3 62.9 0.36| 13.1 4.7 2000 252 21 196 19| 3.7 4.4 8.1|130.5 -36.4 94.1 47.0 0.31| 11.3 3.5 2500 256 21 196 18| 3.2 3.5 6.7|137.0 -36.4 100.6 40.3 0.34| 9.7 3.3 3000 260 20 198 16| 2.7 3.3 5.9|143.4 -36.4 107.0 35.7 0.36| 8.7 3.1 4000 265 21 203 15| 2.3 2.5 4.8|160.6 -36.4 124.2 31.0 0.42| 7.3 3.1 5000 271 22 213 14| 2.5 2.0 4.5|182.1 -36.4 145.7 29.1 0.45| 6.9 3.1 6000 279 26 232 13| 2.9 2.2 5.1|219.5 -52.2 167.3 27.9 0.42| 7.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250418.12.gif