UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 27 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 1002 15 2.8 2.5 98 0.3 2.7 65 2 275.8 276.6 275.7 288.2 4.57 1 1000 29 4.6 2.7 87 1.9 3.7 115 2 277.8 278.5 276.9 290.4 4.64 2 978 210 3.4 1.8 89 1.6 2.7 112 7 278.3 279.1 276.9 290.5 4.45 3 967 301 3.0 0.1 81 2.9 1.7 110 10 278.8 279.5 276.6 289.8 3.98 4 932 599 0.4 -0.1 96 0.5 0.2 139 8 279.1 279.8 276.9 290.4 4.07 5 925 659 0.4 -0.3 95 0.7 0.1 135 10 279.7 280.4 277.1 290.9 4.04 6 850 1333 -3.5 -4.2 95 0.7 -3.8 165 18 282.5 283.0 277.6 291.8 3.29 7 700 2843 -12.1 -13.4 90 1.3 -12.5 160 13 289.1 289.4 279.0 294.9 1.94 8 685 3008 -12.9 -14.2 90 1.3 -13.3 164 15 290.0 290.3 279.3 295.6 1.86 9 640 3523 -16.5 -18.2 87 1.7 -16.9 154 17 291.6 291.8 279.5 295.9 1.42 10 593 4092 -20.9 -21.5 95 0.6 -21.0 140 20 292.9 293.1 279.8 296.5 1.16 11 557 4551 -24.5 -27.4 77 2.9 -24.9 142 21 294.0 294.1 279.7 296.3 0.72 12 534 4857 -26.9 -28.2 89 1.3 -27.1 145 20 294.6 294.8 280.0 296.9 0.70 13 529 4925 -26.9 -28.1 90 1.2 -27.1 143 20 295.4 295.6 280.3 297.7 0.71 14 527 4952 -26.7 -29.6 76 2.9 -27.1 142 20 296.0 296.1 280.4 298.0 0.62 15 525 4980 -26.9 -30.1 74 3.2 -27.3 140 20 296.1 296.2 280.4 298.0 0.60 16 523 5007 -27.1 -30.0 76 2.9 -27.5 139 20 296.2 296.3 280.5 298.1 0.61 17 512 5160 -28.3 -32.2 69 3.9 -28.8 131 21 296.5 296.6 280.5 298.2 0.50 18 501 5316 -29.3 -43.3 25 14.0 -30.4 153 21 297.1 297.2 280.3 297.7 0.17 19 500 5330 -29.3 -42.3 27 13.0 -30.4 155 21 297.3 297.3 280.4 298.0 0.18 20 491 5459 -30.3 -45.3 22 15.0 -31.4 155 21 297.6 297.7 280.5 298.1 0.14 21 485 5546 -29.9 -48.9 14 19.0 -31.2 158 21 299.2 299.2 281.1 299.5 0.09 22 479 5635 -29.5 -42.5 27 13.0 -30.6 162 21 300.7 300.8 281.9 301.4 0.19 23 462 5892 -30.9 -53.9 9 23.0 -32.2 175 22 302.1 302.1 282.3 302.3 0.05 24 456 5984 -31.3 -49.3 15 18.0 -32.5 179 23 302.7 302.8 282.6 303.1 0.09 25 450 6077 -31.7 -58.7 5 27.0 -33.0 184 23 303.4 303.4 282.8 303.5 0.03 26 436 6300 -33.3 -48.3 21 15.0 -34.3 198 24 304.1 304.1 283.2 304.5 0.11 27 430 6397 -33.5 -58.5 6 25.0 -34.7 204 24 305.1 305.1 283.5 305.2 0.03 28 409 6746 -35.7 -58.7 8 23.0 -36.7 205 27 306.6 306.6 284.1 306.8 0.03 29 400 6900 -36.7 -58.7 8 22.0 -37.6 205 29 307.3 307.3 284.4 307.4 0.03 30 374 7363 -39.9 -60.9 9 21.0 -40.6 201 29 309.0 309.0 285.0 309.1 0.03 31 368 7474 -40.7 -54.7 21 14.0 -41.3 202 29 309.4 309.4 285.2 309.6 0.06 32 361 7604 -41.5 -54.5 23 13.0 -42.0 205 29 310.0 310.0 285.4 310.3 0.06 33 340 8009 -44.5 -56.5 25 12.0 -44.9 211 31 311.3 311.3 285.8 311.5 0.05 34 331 8188 -45.7 -62.7 13 17.0 -46.1 214 33 312.0 312.0 286.1 312.1 0.03 35 327 8269 -46.1 -63.1 13 17.0 -46.5 215 33 312.6 312.6 286.3 312.7 0.02 36 325 8310 -46.3 -59.3 22 13.0 -46.7 216 33 312.9 312.9 286.4 313.0 0.04 37 305 8731 -48.3 -65.3 12 17.0 -48.7 230 31 315.8 315.8 287.3 315.9 0.02 38 300 8840 -48.7 -64.7 14 16.0 -49.0 235 30 316.7 316.7 287.7 316.8 0.02 39 295 8950 -49.1 -68.1 9 19.0 -49.4 231 29 317.7 317.7 288.0 317.7 0.01 40 277 9363 -50.5 -62.5 23 12.0 -50.8 221 26 321.4 321.4 289.2 321.5 0.03 41 259 9800 -51.7 -66.7 15 15.0 -52.0 220 27 325.9 325.9 290.6 326.0 0.02 42 250 10030 -50.9 -70.9 8 20.0 -51.2 215 26 330.4 330.4 291.8 330.4 0.01 43 246 10135 -50.5 -75.5 4 25.0 -50.9 217 25 332.5 332.5 292.4 332.5 0.01 44 224 10745 -49.3 -79.3 2 30.0 -49.8 215 24 343.4 343.4 295.1 343.4 0.00 45 208 11231 -47.3 -79.3 1 32.0 -47.9 220 25 353.9 353.9 297.5 353.9 0.00 46 200 11490 -47.5 -79.5 1 32.0 -48.1 210 26 357.6 357.6 298.2 357.6 0.00 47 189 11863 -47.9 -80.9 1 33.0 -48.6 228 27 362.7 362.7 299.2 362.8 0.00 48 172 12486 -46.5 -80.5 1 34.0 -47.3 235 18 375.0 375.0 301.4 375.0 0.00 49 150 13390 -48.3 -81.3 1 33.0 -49.1 215 13 386.8 386.8 303.3 386.9 0.00 50 132 14229 -49.1 -82.1 1 33.0 -49.9 211 16 399.8 399.8 305.2 399.8 0.00 51 123 14693 -47.9 -81.9 1 34.0 -48.8 236 19 410.2 410.2 306.5 410.2 0.00 52 107 15608 -49.9 -82.9 1 33.0 -50.8 248 17 423.0 423.0 308.1 423.1 0.00 53 106 15669 -50.1 -83.1 1 33.0 -51.0 251 16 423.8 423.8 308.2 423.8 0.00 54 100 16050 -49.5 -82.5 1 33.0 -50.5 240 5 432.1 432.1 309.0 432.1 0.00 55 89 16807 -52.1 -84.1 1 32.0 -52.9 211 12 441.5 441.5 310.0 441.6 0.00 56 83 17258 -52.1 -84.1 1 32.0 -53.0 253 17 450.4 450.4 310.9 450.5 0.00 57 82 17337 -50.5 -83.5 1 33.0 -51.5 254 16 455.3 455.3 311.4 455.3 0.00 58 74 18002 -52.9 -84.9 1 32.0 -53.8 267 10 463.8 463.8 312.1 463.8 0.00 59 70 18360 -52.3 -84.3 1 32.0 -53.3 190 13 472.5 472.5 312.8 472.5 0.00 60 69 18453 -52.1 -85.1 1 33.0 -53.1 178 13 474.9 474.9 313.0 474.9 0.00 61 63 19039 -53.7 -85.7 1 32.0 -54.6 234 12 483.9 483.9 313.8 483.9 0.00 62 57 19683 -51.9 -84.9 1 33.0 -53.2 233 12 502.0 502.0 315.1 502.0 0.01 63 50 20530 -52.5 -84.5 1 32.0 -53.8 320 6 519.8 519.8 316.3 519.8 0.01 64 45 21212 -52.9 -84.9 1 32.0 -54.3 147 5 534.7 534.7 317.2 534.7 0.01 65 40 21977 -50.9 -84.9 1 34.0 -52.8 214 10 558.0 558.0 318.5 558.1 0.01 66 34 23035 -51.5 -84.5 1 33.0 -53.5 179 9 583.0 583.0 319.8 583.1 0.01 67 30 23850 -50.7 -84.7 1 34.0 -53.1 160 8 606.4 606.4 320.9 606.5 0.01 68 26 24781 -51.3 -84.3 1 33.0 -53.8 179 8 630.1 630.1 321.9 630.1 0.01 69 20 26500 -47.3 -83.3 1 36.0 -51.7 155 8 691.4 691.4 324.1 691.5 0.02 70 16 27981 -45.7 -82.7 1 37.0 -51.3 130 10 742.2 742.2 325.7 742.4 0.03 71 15 28410 -46.5 -82.5 1 36.0 -52.0 95 8 753.3 753.4 326.0 753.6 0.03 72 14 28868 -46.3 -83.3 1 37.0 -52.1 57 5 769.0 769.0 326.4 769.3 0.03 73 13 29362 -44.3 -82.3 1 38.0 -51.3 16 1 792.4 792.5 327.1 792.7 0.04 74 11 30475 -47.1 -83.1 1 36.0 -53.5 41 8 821.0 821.1 327.7 821.4 0.04 75 10 31110 -44.3 -82.3 1 38.0 -52.4 75 4 854.2 854.2 328.5 854.6 0.05 76 9.4 31525 -43.9 -81.9 1 38.0 -52.4 871.0 871.0 328.8 871.5 0.05 77 9.2 31670 -43.7 -81.7 1 38.0 -52.4 877.1 877.1 329.0 877.6 0.05 TRP 259 9800 -51.7 -66.7 15 15.0 -52.0 220 27 325.9 325.9 290.6 326.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5301.00 m Freezing level: 917.31 mb = 728.13 m = 2388.84 ft Wetbulb zero: 923.48 mb = 672.11 m = 2205.06 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 88.00 % Est. max temperature: 9.41 C = 48.95 F Sfc-Lift cond lev (LCL): 997.26 mb = 51.31 m = 168.35 ft T: 4.45 C 700-500 lapse rate: 6.92 C/km ThetaE index: 0.72 C Layer 967.0- 932.0 mb Conv cond level (CCL): 914.45 mb = 750.41 m = 2461.94 ft Mean mixing ratio: 4.14 g/kg Conv temperature: 7.11 C = 44.79 F Cap Strength: 6.48 C Lifted Index: 6.60 C Risk: None Lifted Index @300 mb: 18.66 C Lifted Index @700 mb: 3.23 C Showalter Index: 5.60 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 25.10 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 95.00 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.94 J/kg Max Up Vert Vel: 4.23 m/s Conv Inhibition (B-): 76796.23 J/kg Cap Strength: 6.17 C Lift Cond Lev (LCL): 929.80 mb = 617.49 m = 2025.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 at 12 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 1002 15 65 2 -1.8 -0.8 | 10 13 -2.2 -13.0 1 1000 29 115 2 -1.8 0.8 | 11 11 -2.2 -11.3 2 966 305 110 10 -9.4 3.4 | 48 13 -9.8 -8.7 3 931 610 140 8 -5.1 6.1 | 43 8 -5.6 -6.0 4 925 659 135 10 -7.1 7.1 | 56 9 -7.5 -5.0 5 896 914 150 17 -8.5 14.7 | 106 9 -8.9 2.6 6 862 1219 150 17 -8.5 14.7 | 106 9 -8.9 2.6 7 850 1333 165 18 -4.7 17.4 | 136 7 -5.1 5.3 8 829 1524 175 16 -1.4 15.9 | 155 4 -1.8 3.8 9 798 1829 160 11 -3.8 10.3 | 67 5 -4.2 -1.8 10 767 2134 165 11 -2.8 10.6 | 66 4 -3.3 -1.5 11 737 2438 160 12 -4.1 11.3 | 80 5 -4.5 -0.8 12 709 2743 160 13 -4.4 12.2 | 91 5 -4.9 0.1 13 700 2843 160 13 -4.4 12.2 | 91 5 -4.9 0.1 14 681 3048 165 15 -3.9 14.5 | 119 5 -4.3 2.4 15 627 3658 150 17 -8.5 14.7 | 106 9 -8.9 2.6 16 602 3962 140 20 -12.9 15.3 | 104 14 -13.3 3.2 17 577 4267 140 21 -13.5 16.1 | 106 14 -13.9 4.0 18 532 4877 145 20 -11.5 16.4 | 110 13 -11.9 4.3 19 510 5182 130 21 -16.1 13.5 | 95 17 -16.5 1.4 20 500 5330 155 21 -8.9 19.0 | 127 12 -9.3 6.9 21 489 5486 155 21 -8.9 19.0 | 127 12 -9.3 6.9 22 448 6096 185 23 2.0 22.9 | 188 11 1.6 10.8 23 429 6401 205 24 10.1 21.8 | 225 14 9.7 9.6 24 400 6900 205 29 12.3 26.3 | 220 18 11.8 14.2 25 376 7315 200 29 9.9 27.3 | 212 18 9.5 15.1 26 359 7620 205 29 12.3 26.3 | 220 18 11.8 14.2 27 328 8230 215 33 18.9 27.0 | 231 24 18.5 14.9 28 314 8534 220 33 21.2 25.3 | 238 25 20.8 13.2 29 300 8839 235 30 24.6 17.2 | 258 25 24.2 5.1 30 300 8840 235 30 24.6 17.2 | 258 25 24.2 5.1 31 286 9144 225 27 19.1 19.1 | 249 20 18.7 7.0 32 261 9754 215 25 14.3 20.5 | 239 16 13.9 8.4 33 259 9800 220 27 17.4 20.7 | 243 19 16.9 8.6 34 250 10030 215 26 14.9 21.3 | 238 17 14.5 9.2 35 238 10363 220 24 15.4 18.4 | 247 16 15.0 6.3 36 227 10668 210 24 12.0 20.8 | 233 14 11.6 8.7 37 216 10973 230 23 17.6 14.8 | 261 17 17.2 2.7 38 200 11490 210 26 13.0 22.5 | 230 16 12.6 10.4 39 197 11582 205 22 9.3 19.9 | 229 12 8.9 7.8 40 188 11887 230 27 20.7 17.4 | 255 21 20.3 5.2 41 180 12192 240 22 19.1 11.0 | 273 19 18.6 -1.1 42 157 13106 225 10 7.1 7.1 | 307 8 6.7 -5.0 43 150 13390 215 13 7.5 10.6 | 282 7 7.0 -1.5 44 143 13716 215 13 7.5 10.6 | 282 7 7.0 -1.5 45 130 14326 210 17 8.5 14.7 | 252 8 8.1 2.6 46 124 14630 240 20 17.3 10.0 | 277 17 16.9 -2.1 47 119 14935 220 17 10.9 13.0 | 265 11 10.5 0.9 48 113 15240 230 23 17.6 14.8 | 261 17 17.2 2.7 49 103 15850 260 13 12.8 2.3 | 308 16 12.4 -9.9 50 100 16050 240 5 4.3 2.5 | 338 10 3.9 -9.6 51 94 16459 245 5 4.5 2.1 | 338 11 4.1 -10.0 52 90 16764 205 11 4.6 10.0 | 297 5 4.2 -2.1 53 85 17069 250 20 18.8 6.8 | 286 19 18.4 -5.3 54 82 17374 255 15 14.5 3.9 | 300 16 14.1 -8.2 55 78 17678 235 11 9.0 6.3 | 304 10 8.6 -5.8 56 74 17983 275 10 10.0 -0.9 | 324 16 9.5 -13.0 57 71 18288 130 2 -1.5 1.3 | 10 11 -2.0 -10.8 58 70 18360 190 13 2.3 12.8 | 249 2 1.8 0.7 59 68 18593 160 14 -4.8 13.2 | 101 5 -5.2 1.0 60 64 18898 220 13 8.4 10.0 | 285 8 7.9 -2.1 61 61 19202 250 10 9.4 3.4 | 314 12 9.0 -8.7 62 59 19507 245 5 4.5 2.1 | 338 11 4.1 -10.0 63 56 19812 225 17 12.0 12.0 | 270 12 11.6 -0.1 64 53 20117 250 13 12.2 4.4 | 303 14 11.8 -7.7 65 50 20530 320 6 3.9 -4.6 | 348 17 3.4 -16.7 66 49 20726 275 10 10.0 -0.9 | 324 16 9.5 -13.0 67 46 21031 75 2 -1.9 -0.5 | 11 13 -2.4 -12.6 68 44 21336 195 7 1.8 6.8 | 345 6 1.4 -5.3 69 40 21946 215 10 5.7 8.2 | 306 7 5.3 -3.9 70 37 22555 190 10 1.7 9.8 | 330 3 1.3 -2.3 71 30 23850 160 8 -2.7 7.5 | 34 6 -3.2 -4.6 72 28 24384 185 8 0.7 8.0 | 356 4 0.3 -4.1 73 20 26500 155 8 -3.4 7.3 | 38 6 -3.8 -4.9 74 17 27432 155 9 -3.8 8.2 | 47 6 -4.2 -4.0 75 17 27737 150 12 -6.0 10.4 | 75 7 -6.4 -1.7 76 13 29566 0 0 -0.0 -0.0 | 2 12 -0.4 -12.1 77 12 29870 40 14 -9.0 -10.7 | 22 25 -9.4 -22.8 78 12 30175 25 10 -4.2 -9.1 | 12 22 -4.6 -21.2 79 10 31110 75 4 -3.9 -1.0 | 18 14 -4.3 -13.1 Wind Parameters Mean winds (0-6000m): 152.0 at 16.2 knts Storm direction: 182.0 at 12.1 knts Shear (0-3000m) pos: 3.3 neg: 0.9 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 104.8 deg Storm rel helicity (0-3000m) pos: 63.5 neg: -7.6 tot: 55.9 m^2/s^2 ave: 18.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 16.61 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 ------------------------------------------------------------------------------- 500 115 7 38 11| 8.2 0.0 8.2| 25.8 -0.9 24.9 49.9 0.63| 12.8 8.1 1000 134 10 56 9| 8.7 0.0 8.7| 47.3 -1.8 45.6 45.6 0.73| 12.0 8.7 1500 146 12 76 8| 5.8 0.0 5.8| 58.8 -1.8 57.0 38.0 0.73| 10.7 7.9 2000 151 12 80 7| 4.3 1.5 5.8| 58.8 -7.5 51.2 25.6 0.45| 9.7 4.4 2500 153 12 79 6| 3.5 1.1 4.5| 60.1 -7.6 52.5 21.0 0.46| 8.2 3.8 3000 155 12 81 6| 3.3 0.9 4.2| 63.5 -7.6 55.9 18.6 0.49| 7.3 3.6 4000 154 14 91 6| 2.5 1.5 4.1| 63.8 -11.8 52.0 13.0 0.37| 6.7 2.5 5000 150 15 97 8| 2.1 1.4 3.4| 68.5 -17.5 51.0 10.2 0.34| 5.8 2.0 6000 152 16 105 8| 2.7 1.1 3.8|120.8 -22.5 98.3 16.4 0.45| 6.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250427.12.gif