UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 19 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 1019 15 -1.1 -4.1 80 3.0 -2.2 230 5 270.6 271.0 269.9 278.1 2.76 1 1000 160 -2.5 -4.3 87 1.8 -3.1 215 7 270.6 271.1 270.0 278.2 2.77 2 971 393 -4.7 -4.7 100 0.0 -4.7 206 9 270.7 271.2 270.1 278.2 2.77 3 929 739 -7.1 -8.0 93 0.9 -7.4 187 7 271.7 272.1 269.8 277.9 2.25 4 927 756 -3.7 -8.4 70 4.7 -5.2 186 7 275.4 275.7 272.0 281.5 2.18 5 926 764 -3.5 -8.3 69 4.8 -5.1 186 7 275.6 276.0 272.2 281.8 2.20 6 925 773 -3.5 -8.2 70 4.7 -5.0 185 7 275.7 276.1 272.3 282.0 2.22 7 902 972 -3.7 -8.7 68 5.0 -5.3 210 5 277.5 277.9 273.3 283.7 2.19 8 892 1060 -3.7 -11.7 54 8.0 -6.1 226 6 278.4 278.7 273.1 283.4 1.75 9 886 1113 -4.1 -12.1 54 8.0 -6.5 236 6 278.5 278.8 273.1 283.4 1.70 10 878 1184 -4.3 -19.3 30 15.0 -8.0 249 7 279.0 279.2 272.2 281.8 0.94 11 866 1292 -4.7 -21.7 25 17.0 -8.6 257 8 279.7 279.9 272.3 282.1 0.78 12 851 1430 -4.9 -23.9 21 19.0 -9.1 260 11 280.9 281.0 272.8 282.9 0.65 13 850 1439 -4.9 -23.9 21 19.0 -9.1 260 11 281.0 281.1 272.9 283.0 0.65 14 829 1635 -5.7 -22.7 25 17.0 -9.5 267 12 282.2 282.3 273.7 284.4 0.74 15 819 1730 -6.1 -19.1 35 13.0 -9.4 273 14 282.7 282.9 274.5 285.8 1.03 16 813 1788 -6.5 -20.5 32 14.0 -9.8 277 14 282.9 283.1 274.4 285.7 0.92 17 809 1826 -6.5 -25.5 21 19.0 -10.5 280 15 283.3 283.4 274.1 285.1 0.59 18 805 1865 -6.7 -21.7 29 15.0 -10.2 279 15 283.5 283.6 274.6 286.0 0.84 19 798 1933 -6.7 -32.7 11 26.0 -11.2 278 15 284.2 284.3 274.1 285.2 0.31 20 796 1953 -6.9 -27.9 17 21.0 -11.0 278 15 284.2 284.3 274.4 285.7 0.48 21 787 2041 -6.9 -37.9 6 31.0 -11.6 277 15 285.1 285.2 274.4 285.7 0.19 22 777 2141 -7.1 -25.1 22 18.0 -10.9 275 15 286.0 286.1 275.6 287.9 0.64 23 775 2161 -7.1 -30.1 14 23.0 -11.4 276 16 286.2 286.2 275.3 287.5 0.40 24 770 2211 -7.5 -26.5 20 19.0 -11.4 277 17 286.3 286.4 275.6 288.0 0.57 25 753 2385 -7.7 -45.7 3 38.0 -12.6 283 21 287.9 287.9 275.7 288.2 0.08 26 745 2468 -7.9 -45.9 3 38.0 -12.8 284 22 288.5 288.6 276.0 288.8 0.08 27 738 2541 -7.7 -49.7 2 42.0 -12.8 282 22 289.5 289.6 276.5 289.7 0.06 28 723 2701 -8.3 -33.3 11 25.0 -12.7 276 22 290.6 290.7 277.4 291.6 0.32 29 700 2951 -9.3 -42.3 5 33.0 -13.9 275 22 292.2 292.2 278.0 292.6 0.13 30 696 2995 -9.7 -43.7 4 34.0 -14.2 276 22 292.2 292.2 278.0 292.6 0.11 31 695 3006 -9.5 -30.5 16 21.0 -13.5 276 22 292.6 292.6 278.6 294.0 0.43 32 691 3051 -9.9 -16.9 57 7.0 -11.8 276 23 292.6 292.9 280.1 297.1 1.47 33 685 3118 -10.5 -18.5 52 8.0 -12.6 277 23 292.7 292.9 279.8 296.7 1.30 34 680 3175 -11.1 -19.1 52 8.0 -13.1 278 24 292.6 292.8 279.7 296.4 1.24 35 678 3197 -11.3 -16.3 66 5.0 -12.7 278 24 292.6 292.9 280.2 297.4 1.58 36 672 3266 -11.9 -15.6 74 3.7 -12.9 279 25 292.7 293.0 280.4 297.8 1.69 37 663 3369 -12.5 -15.4 79 2.9 -13.3 281 25 293.2 293.5 280.7 298.5 1.74 38 647 3555 -13.9 -16.1 83 2.2 -14.5 283 27 293.6 293.9 280.8 298.8 1.68 39 607 4038 -16.7 -17.9 90 1.2 -17.0 276 32 295.8 296.1 281.5 300.6 1.54 40 543 4868 -22.1 -25.5 74 3.4 -22.7 285 35 299.0 299.1 282.1 301.8 0.88 41 529 5060 -23.5 -25.7 82 2.2 -23.9 284 36 299.5 299.7 282.3 302.4 0.89 42 504 5412 -26.3 -29.4 75 3.1 -26.8 281 38 300.3 300.4 282.4 302.5 0.66 43 503 5427 -26.3 -28.5 82 2.2 -26.6 280 38 300.5 300.6 282.5 302.8 0.72 44 500 5470 -26.5 -29.3 77 2.8 -26.9 280 38 300.7 300.9 282.5 303.0 0.68 45 494 5557 -27.3 -30.4 75 3.1 -27.8 284 38 300.8 300.9 282.5 302.8 0.62 46 483 5718 -28.5 -30.0 87 1.5 -28.7 291 37 301.3 301.4 282.8 303.4 0.66 47 469 5928 -29.9 -32.0 82 2.1 -30.2 293 37 302.1 302.2 283.0 303.9 0.56 48 461 6050 -30.7 -34.5 69 3.8 -31.2 291 37 302.6 302.6 283.0 304.1 0.44 49 460 6065 -30.7 -34.4 70 3.7 -31.1 291 37 302.7 302.8 283.1 304.3 0.45 50 456 6127 -30.9 -35.9 61 5.0 -31.4 289 37 303.2 303.3 283.2 304.6 0.39 51 453 6173 -31.3 -36.3 61 5.0 -31.8 288 37 303.3 303.4 283.2 304.6 0.38 52 448 6252 -31.7 -43.7 30 12.0 -32.7 286 37 303.8 303.8 283.2 304.4 0.18 53 443 6331 -32.3 -43.3 33 11.0 -33.2 284 36 304.0 304.0 283.2 304.7 0.19 54 438 6411 -33.1 -40.1 50 7.0 -33.7 282 36 304.0 304.0 283.4 304.9 0.27 55 400 7040 -38.3 -52.3 22 14.0 -38.9 285 34 305.2 305.2 283.6 305.5 0.08 56 300 8950 -53.7 -57.3 65 3.6 -53.8 280 42 309.7 309.7 285.2 309.9 0.06 57 279 9413 -56.5 -59.8 66 3.3 -56.6 280 44 312.1 312.1 286.1 312.3 0.04 58 250 10110 -55.1 -73.1 9 18.0 -55.3 275 48 324.1 324.2 290.0 324.2 0.01 59 200 11550 -52.3 -78.3 3 26.0 -52.7 280 44 349.9 349.9 296.6 350.0 0.00 60 150 13410 -52.7 -83.7 1 31.0 -53.2 285 32 379.3 379.3 302.1 379.3 0.00 61 100 16030 -54.1 -85.1 1 31.0 -54.7 275 19 423.2 423.2 308.1 423.2 0.00 62 96 16290 -54.5 -85.5 1 31.0 -55.1 277 19 427.4 427.4 308.6 427.4 0.00 63 89 16776 -52.1 -85.1 1 33.0 -52.9 282 19 441.5 441.5 310.0 441.6 0.00 64 70 18320 -53.3 -85.3 1 32.0 -54.2 255 12 470.4 470.4 312.7 470.4 0.00 65 69 18413 -53.3 -85.3 1 32.0 -54.2 269 12 472.3 472.3 312.8 472.3 0.00 66 64 18899 -50.5 -84.5 1 34.0 -51.8 275 24 488.7 488.7 314.1 488.7 0.00 67 61 19211 -51.9 -84.9 1 33.0 -53.1 283 15 492.4 492.4 314.4 492.4 0.00 68 56 19768 -49.3 -84.3 1 35.0 -51.0 272 4 510.5 510.5 315.7 510.5 0.01 69 50 20510 -49.5 -84.5 1 35.0 -51.3 170 11 526.8 526.8 316.7 526.9 0.01 70 37 22473 -51.1 -85.1 1 34.0 -53.1 242 12 570.1 570.1 319.2 570.1 0.01 71 34 23020 -53.1 -86.1 1 33.0 -54.8 230 11 578.8 578.8 319.6 578.8 0.01 72 30 23830 -50.7 -85.7 1 35.0 -53.1 40 2 606.4 606.4 320.9 606.5 0.01 73 27 24519 -50.1 -85.1 1 35.0 -52.9 45 3 626.7 626.7 321.7 626.7 0.01 74 26 24766 -51.9 -85.9 1 34.0 -54.3 3 0 628.3 628.4 321.8 628.4 0.01 75 22 25850 -52.5 -86.5 1 34.0 -55.1 55 5 657.3 657.3 323.0 657.4 0.01 76 20 26470 -50.3 -85.3 1 35.0 -53.7 85 8 682.2 682.2 323.9 682.3 0.01 77 18 27155 -51.3 -86.3 1 35.0 -54.6 132 5 699.9 699.9 324.4 700.0 0.01 78 16 27923 -49.3 -85.3 1 36.0 -53.6 216 3 730.4 730.4 325.4 730.6 0.02 79 15 28345 -49.9 -85.9 1 36.0 -54.2 272 2 742.0 742.1 325.7 742.2 0.02 80 15 28345 -47.7 -84.7 1 37.0 -52.8 272 2 749.4 749.4 325.9 749.5 0.02 81 12 29814 -48.5 -85.5 1 37.0 -54.0 83 17 795.9 795.9 327.1 796.1 0.02 82 12 29814 -45.9 -84.9 0 39.0 -52.5 83 17 805.1 805.1 327.4 805.3 0.02 83 10 31030 -44.5 -83.5 1 39.0 -52.5 30 14 853.4 853.5 328.5 853.8 0.04 84 8.4 32200 -43.5 -83.5 0 40.0 -52.7 901.0 901.0 329.4 901.4 0.04 85 8.1 32446 -41.7 -82.7 0 41.0 -52.1 917.6 917.6 329.8 918.1 0.05 86 8.0 32530 -41.1 -82.1 0 41.0 -51.8 923.2 923.2 329.9 923.8 0.06 87 7.5 32969 -41.1 -82.1 0 41.0 -52.1 940.4 940.4 330.2 941.1 0.06 88 7.3 33152 -41.5 -82.5 0 41.0 -52.5 946.1 946.1 330.3 946.7 0.06 TRP 279 9413 -56.5 -59.8 66 3.3 -56.6 280 44 312.1 312.1 286.1 312.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5310.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 58.72 % Est. max temperature: 7.91 C = 46.24 F Sfc-Lift cond lev (LCL): 972.17 mb = 383.05 m = 1256.70 ft T: -4.61 C 700-500 lapse rate: 6.83 C/km ThetaE index: 1.57 C Layer 878.0- 866.0 mb Conv cond level (CCL): 951.15 mb = 554.41 m = 1818.90 ft Mean mixing ratio: 2.60 g/kg Conv temperature: -0.50 C = 31.10 F Cap Strength: 18.45 C Lifted Index: 18.60 C Risk: None Lifted Index @300 mb: 22.10 C Lifted Index @700 mb: 14.53 C Showalter Index: 15.08 C Risk: None Total Totals Index: 24.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 2.60 C K Index: -35.30 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.17 J/kg Max Up Vert Vel: 5.13 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 18.25 C Lift Cond Lev (LCL): 947.90 mb = 581.25 m = 1906.98 ft Lev Free Conv (LFC): 942.90 mb = 622.69 m = 2042.92 ft Equ Level (EL): 932.90 mb = 706.23 m = 2317.01 ft B at Equ Level: 10.47 J/kg Max Parcel Lev (MPL): 912.90 mb = 876.95 m = 2877.10 ft Wind level data Storm motion: 308 at 17 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 1019 15 230 5 3.8 3.2 | 145 17 -9.6 13.8 1 1000 160 215 7 4.0 5.7 | 150 19 -9.5 16.3 2 982 305 210 10 5.0 8.7 | 156 21 -8.5 19.2 3 944 610 195 8 2.1 7.7 | 148 22 -11.4 18.3 4 925 773 185 7 0.6 7.0 | 144 22 -12.9 17.5 5 909 914 200 5 1.7 4.7 | 142 19 -11.8 15.3 6 874 1219 255 7 6.8 1.8 | 152 14 -6.7 12.4 7 850 1439 260 11 10.8 1.9 | 168 13 -2.6 12.5 8 841 1524 260 11 10.8 1.9 | 168 13 -2.6 12.5 9 809 1829 280 15 14.8 -2.6 | 189 8 1.3 8.0 10 777 2134 275 15 14.9 -1.3 | 189 9 1.5 9.3 11 748 2438 285 22 21.3 -5.7 | 238 9 7.8 4.9 12 719 2743 275 22 21.9 -1.9 | 224 12 8.4 8.6 13 700 2951 275 22 21.9 -1.9 | 224 12 8.4 8.6 14 637 3658 285 28 27.0 -7.2 | 256 14 13.6 3.3 15 612 3962 275 32 31.9 -2.8 | 247 20 18.4 7.8 16 587 4267 280 30 29.5 -5.2 | 252 17 16.1 5.3 17 541 4877 285 35 33.8 -9.1 | 266 20 20.3 1.5 18 500 5470 280 38 37.4 -6.6 | 261 24 23.9 4.0 19 478 5791 295 37 33.5 -15.6 | 284 21 20.1 -5.1 20 457 6096 290 37 34.8 -12.7 | 276 21 21.3 -2.1 21 419 6706 275 35 34.9 -3.1 | 251 23 21.4 7.5 22 400 7040 285 34 32.8 -8.8 | 265 19 19.4 1.8 23 367 7620 290 36 33.8 -12.3 | 275 20 20.4 -1.8 24 300 8950 280 42 41.4 -7.3 | 263 28 27.9 3.3 25 291 9144 280 42 41.4 -7.3 | 263 28 27.9 3.3 26 279 9413 280 44 43.3 -7.6 | 264 30 29.9 2.9 27 250 10110 275 48 47.8 -4.2 | 259 35 34.3 6.4 28 240 10363 275 48 47.8 -4.2 | 259 35 34.3 6.4 29 229 10668 295 42 38.1 -17.7 | 286 26 24.6 -7.2 30 209 11278 275 39 38.9 -3.4 | 254 26 25.4 7.2 31 200 11550 280 44 43.3 -7.6 | 264 30 29.9 2.9 32 165 12802 290 32 30.1 -10.9 | 271 17 16.6 -0.4 33 157 13106 275 34 33.9 -3.0 | 250 22 20.4 7.6 34 150 13410 285 32 30.9 -8.3 | 263 18 17.4 2.3 35 136 14021 295 30 27.2 -12.7 | 279 14 13.7 -2.1 36 130 14326 270 24 24.0 -0.0 | 225 15 10.5 10.6 37 113 15240 285 27 26.1 -7.0 | 254 13 12.6 3.6 38 108 15545 295 24 21.8 -10.1 | 267 8 8.3 0.4 39 100 16030 275 19 18.9 -1.7 | 211 10 5.5 8.9 40 98 16154 275 19 18.9 -1.7 | 211 10 5.5 8.9 41 85 17069 285 19 18.4 -4.9 | 221 7 4.9 5.6 42 77 17678 260 16 15.8 2.8 | 190 14 2.3 13.3 43 74 17983 260 25 24.6 4.3 | 217 19 11.1 14.9 44 70 18288 280 22 21.7 -3.8 | 231 11 8.2 6.7 45 70 18320 255 12 11.6 3.1 | 172 14 -1.9 13.7 46 67 18593 295 13 11.8 -5.5 | 161 5 -1.7 5.1 47 64 18898 275 24 23.9 -2.1 | 231 13 10.4 8.5 48 61 19202 285 15 14.5 -3.9 | 189 7 1.0 6.7 49 58 19507 250 10 9.4 3.4 | 164 15 -4.1 14.0 50 56 19812 275 3 3.0 -0.3 | 134 15 -10.5 10.3 51 53 20117 225 10 7.1 7.1 | 160 19 -6.4 17.6 52 51 20422 235 10 8.2 5.7 | 162 17 -5.3 16.3 53 50 20510 170 11 -1.9 10.8 | 144 26 -15.4 21.4 54 48 20726 165 10 -2.6 9.7 | 142 26 -16.1 20.2 55 44 21336 230 13 10.0 8.4 | 169 19 -3.5 18.9 56 42 21641 265 10 10.0 0.9 | 163 12 -3.5 11.4 57 38 22250 210 16 8.0 13.9 | 167 25 -5.5 24.4 58 37 22555 255 11 10.6 2.8 | 168 14 -2.9 13.4 59 35 22860 260 12 11.8 2.1 | 173 13 -1.7 12.6 60 32 23470 145 10 -5.7 8.2 | 134 27 -19.2 18.8 61 30 23774 175 10 -0.9 10.0 | 145 25 -14.3 20.5 62 30 23830 40 2 -1.3 -1.5 | 121 17 -14.8 9.0 63 29 24079 0 0 -0.0 -0.0 | 128 17 -13.5 10.6 64 28 24384 80 5 -4.9 -0.9 | 118 21 -18.4 9.7 65 26 24689 0 0 -0.0 -0.0 | 128 17 -13.5 10.6 66 20 26470 85 8 -8.0 -0.7 | 115 24 -21.4 9.9 67 17 27432 150 4 -2.0 3.5 | 132 21 -15.5 14.0 68 14 28651 310 2 1.5 -1.3 | 128 15 -11.9 9.3 69 14 28956 50 11 -8.4 -7.1 | 99 22 -21.9 3.5 70 13 29261 25 10 -4.2 -9.1 | 95 18 -17.7 1.5 71 12 29566 70 14 -13.2 -4.8 | 102 27 -26.6 5.8 72 12 29870 85 18 -17.9 -1.6 | 106 33 -31.4 9.0 73 11 30175 105 10 -9.7 2.6 | 120 27 -23.1 13.1 74 10 31030 30 14 -7.0 -12.1 | 86 21 -20.5 -1.6 Wind Parameters Mean winds (0-6000m): 278.1 at 22.8 knts Storm direction: 308.1 at 17.1 knts Shear (0-3000m) pos: 3.9 neg: 1.3 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 82.4 deg Storm rel helicity (0-3000m) pos: 73.4 neg: -33.8 tot: 39.6 m^2/s^2 ave: 13.2 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 58.75 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 ------------------------------------------------------------------------------- 500 211 8 152 20| 0.0 5.1 5.1| 17.9 -11.4 6.6 13.1 0.21| 7.8 1.6 1000 204 7 149 20| 1.9 2.6 4.5| 24.3 -28.3 -4.0 -4.0 -0.01| 7.3 -0.1 1500 221 8 153 18| 3.5 1.7 5.2| 44.4 -28.3 16.1 10.7 0.23| 7.7 1.8 2000 242 9 160 16| 4.0 1.3 5.3| 54.9 -28.3 26.6 13.3 0.31| 7.4 2.3 2500 256 11 168 14| 4.7 1.0 5.7| 71.4 -28.4 42.9 17.2 0.43| 7.7 3.3 3000 263 13 177 12| 3.9 1.3 5.1| 73.4 -33.8 39.6 13.2 0.36| 7.0 2.5 4000 271 17 196 11| 3.6 1.5 5.0| 94.1 -42.9 51.2 12.8 0.36| 6.8 2.4 5000 275 20 215 11| 3.5 1.2 4.6|121.8 -44.7 77.1 15.4 0.39| 6.4 2.5 6000 278 23 231 12| 3.1 1.1 4.2|173.4 -64.4 109.0 18.2 0.39| 6.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250419.12.gif