UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 20 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 1018 15 1.8 -0.3 86 2.1 1.0 95 3 273.6 274.2 273.2 283.5 3.67 1 1016 30 2.8 -1.8 72 4.6 1.0 98 4 274.7 275.3 273.3 283.7 3.29 2 1000 155 4.2 -3.8 56 8.0 1.1 125 12 277.4 277.8 274.2 285.4 2.88 3 997 179 4.6 -3.4 56 8.0 1.4 125 12 278.0 278.5 274.7 286.3 2.98 4 983 294 3.8 -3.2 60 7.0 1.0 125 11 278.3 278.8 275.0 286.9 3.07 5 974 369 3.2 -2.8 65 6.0 0.8 130 12 278.4 279.0 275.3 287.3 3.19 6 952 554 1.8 0.6 92 1.2 1.3 145 13 278.8 279.6 276.9 290.4 4.19 7 936 690 1.0 1.0 100 0.0 1.0 157 14 279.4 280.1 277.4 291.5 4.39 8 925 785 0.2 0.2 100 0.0 0.2 165 13 279.5 280.2 277.2 291.1 4.19 9 920 828 0.0 0.0 100 0.0 0.0 162 12 279.7 280.4 277.3 291.2 4.15 10 884 1148 -1.1 -1.1 100 0.0 -1.1 193 12 281.8 282.5 278.1 293.0 3.99 11 879 1193 -0.9 -1.0 99 0.1 -0.9 201 13 282.5 283.2 278.5 293.8 4.04 12 850 1461 -1.3 -1.5 99 0.2 -1.4 210 13 284.8 285.5 279.6 296.2 4.03 13 795 1993 -3.5 -4.1 96 0.6 -3.7 203 14 287.9 288.6 280.6 298.2 3.55 14 703 2957 -8.7 -9.0 98 0.3 -8.8 187 10 292.5 293.0 281.6 300.7 2.75 15 700 2990 -8.7 -9.0 98 0.3 -8.8 185 10 292.9 293.3 281.8 301.1 2.76 16 640 3683 -11.1 -12.1 92 1.0 -11.4 209 14 297.7 298.2 283.4 304.9 2.36 17 500 5540 -23.1 -25.1 84 2.0 -23.5 215 7 304.9 305.1 284.6 308.1 1.00 18 488 5717 -24.5 -26.9 80 2.4 -24.9 232 7 305.3 305.4 284.6 308.1 0.87 19 483 5791 -25.1 -27.0 84 1.9 -25.4 239 7 305.4 305.6 284.7 308.3 0.87 20 472 5957 -26.1 -29.6 72 3.5 -26.6 256 6 306.2 306.4 284.8 308.6 0.70 21 437 6508 -29.9 -33.3 72 3.4 -30.3 234 7 308.2 308.3 285.3 310.0 0.53 22 400 7130 -34.7 -37.6 75 2.9 -35.0 210 16 309.9 310.0 285.8 311.2 0.38 23 374 7595 -38.7 -41.4 76 2.7 -38.9 219 16 310.6 310.7 285.9 311.6 0.27 24 361 7837 -39.9 -42.3 78 2.4 -40.1 222 18 312.2 312.2 286.4 313.1 0.26 25 300 9070 -50.7 -53.5 72 2.8 -50.8 225 36 313.9 313.9 286.8 314.2 0.09 26 290 9290 -52.5 -55.7 68 3.2 -52.6 229 38 314.4 314.4 286.9 314.6 0.07 27 268 9794 -57.1 -59.0 79 1.9 -57.1 227 42 314.9 314.9 287.1 315.0 0.05 28 257 10058 -59.3 -62.8 64 3.5 -59.3 226 45 315.4 315.4 287.3 315.5 0.03 29 250 10230 -60.9 -63.5 71 2.6 -60.9 225 46 315.5 315.5 287.3 315.6 0.03 30 247 10305 -61.3 -64.0 70 2.7 -61.3 225 46 316.0 316.0 287.5 316.1 0.03 31 244 10382 -60.9 -63.8 68 2.9 -60.9 225 46 317.7 317.7 288.1 317.8 0.03 32 232 10696 -62.3 -66.0 61 3.7 -62.3 229 39 320.2 320.2 288.8 320.3 0.02 33 229 10776 -62.7 -67.5 52 4.8 -62.7 230 37 320.8 320.8 289.0 320.9 0.02 34 224 10914 -59.7 -71.7 20 12.0 -59.8 233 35 327.4 327.4 291.0 327.5 0.01 35 219 11056 -59.1 -71.1 20 12.0 -59.2 237 34 330.5 330.5 291.9 330.5 0.01 36 200 11630 -57.3 -78.3 5 21.0 -57.5 245 26 342.0 342.0 294.8 342.0 0.00 37 183 12193 -55.5 -81.5 3 26.0 -55.8 253 23 353.8 353.8 297.4 353.8 0.00 38 180 12298 -56.1 -82.1 2 26.0 -56.3 255 21 354.4 354.4 297.6 354.5 0.00 39 168 12739 -52.5 -82.5 1 30.0 -52.9 268 20 367.5 367.5 300.1 367.5 0.00 40 157 13176 -51.9 -82.9 1 31.0 -52.4 248 20 375.7 375.7 301.5 375.7 0.00 41 150 13470 -53.9 -83.9 1 30.0 -54.3 250 16 377.2 377.2 301.8 377.2 0.00 42 149 13513 -53.9 -83.9 1 30.0 -54.3 248 16 377.9 377.9 301.9 377.9 0.00 43 134 14196 -52.7 -83.7 1 31.0 -53.2 263 18 391.7 391.7 304.0 391.7 0.00 44 116 15122 -54.9 -84.9 1 30.0 -55.4 276 21 404.1 404.1 305.7 404.1 0.00 45 110 15462 -54.1 -85.1 1 31.0 -54.6 287 18 411.8 411.8 306.7 411.8 0.00 46 106 15698 -55.7 -85.7 1 30.0 -56.2 275 17 413.2 413.2 306.9 413.2 0.00 47 100 16070 -54.7 -85.7 1 31.0 -55.2 275 19 422.0 422.0 308.0 422.1 0.00 48 94 16464 -55.7 -85.7 1 30.0 -56.2 275 19 427.6 427.6 308.6 427.6 0.00 49 70 18350 -53.3 -86.3 1 33.0 -54.2 285 17 470.4 470.4 312.7 470.4 0.00 50 60 19346 -51.9 -85.9 1 34.0 -53.1 278 10 494.7 494.7 314.5 494.7 0.00 51 57 19678 -52.5 -85.5 1 33.0 -53.7 278 9 500.6 500.6 315.0 500.7 0.00 52 55 19909 -50.5 -85.5 1 35.0 -52.0 290 12 510.4 510.4 315.7 510.4 0.00 53 50 20530 -51.1 -85.1 1 34.0 -52.7 270 6 523.1 523.1 316.5 523.1 0.01 54 44 21362 -50.3 -85.3 1 35.0 -52.1 176 1 544.5 544.5 317.8 544.5 0.01 55 31 23638 -52.1 -86.1 1 34.0 -54.2 271 2 597.0 597.0 320.5 597.0 0.01 56 30 23850 -51.9 -86.9 1 35.0 -54.1 280 2 603.2 603.2 320.7 603.2 0.01 57 28 24297 -51.3 -86.3 1 35.0 -53.7 326 6 616.8 616.8 321.3 616.9 0.01 58 25 25030 -52.7 -86.7 1 34.0 -55.0 17 7 633.1 633.1 322.0 633.2 0.01 59 21 26161 -49.9 -85.9 1 36.0 -53.3 90 7 674.0 674.0 323.6 674.0 0.01 60 20 26480 -49.9 -85.9 1 36.0 -53.4 110 7 683.4 683.4 323.9 683.5 0.01 61 14 28815 -49.1 -86.1 1 37.0 -53.9 51 10 759.5 759.6 326.2 759.7 0.02 62 10 31050 -43.3 -83.3 0 40.0 -51.8 85 10 857.9 857.9 328.5 858.3 0.04 63 8.9 31834 -43.3 -83.3 0 40.0 -52.4 65 10 887.0 887.0 329.2 887.4 0.04 64 8.2 32389 -40.5 -81.5 0 41.0 -51.5 52 9 919.1 919.1 329.8 919.7 0.06 65 7.2 33277 -39.1 -81.1 0 42.0 -51.5 30 9 959.6 959.7 330.5 960.5 0.08 66 7.0 33470 -39.7 -80.7 0 41.0 -51.9 25 9 964.9 965.0 330.6 965.9 0.08 67 6.3 34190 -39.7 -80.7 0 41.0 -52.4 994.4 994.5 331.1 995.5 0.09 TRP 229 10776 -62.7 -67.5 52 4.8 -62.7 230 37 320.8 320.8 289.0 320.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5385.00 m Freezing level: 920.00 mb = 828.47 m = 2718.05 ft Wetbulb zero: 919.36 mb = 834.03 m = 2736.29 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 91.09 % Est. max temperature: 11.64 C = 52.96 F Sfc-Lift cond lev (LCL): 985.25 mb = 275.87 m = 905.08 ft T: 3.93 C 700-500 lapse rate: 5.65 C/km ThetaE index: 0.39 C Layer 925.0- 920.0 mb Conv cond level (CCL): 786.73 mb = 2074.67 m = 6806.57 ft Mean mixing ratio: 3.63 g/kg Conv temperature: 16.65 C = 61.97 F Cap Strength: 10.97 C Lifted Index: 14.38 C Risk: None Lifted Index @300 mb: 18.13 C Lifted Index @700 mb: 8.04 C Showalter Index: 8.58 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 21.60 C K Index: 20.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 33.00 Risk: None Energy Index: 2.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.34 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 66035.38 J/kg Cap Strength: 14.25 C Lift Cond Lev (LCL): 914.07 mb = 880.19 m = 2887.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 224 at 8 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 1018 15 95 3 -3.0 0.3 | 57 10 -8.5 -5.4 1 1000 155 125 12 -9.8 6.9 | 94 15 -15.3 1.2 2 982 305 125 11 -9.0 6.3 | 92 15 -14.5 0.6 3 945 610 150 14 -7.0 12.1 | 117 14 -12.5 6.4 4 925 785 165 13 -3.4 12.6 | 128 11 -8.9 6.8 5 910 914 155 10 -4.2 9.1 | 109 10 -9.7 3.4 6 876 1219 205 13 5.5 11.8 | 180 6 -0.0 6.1 7 850 1461 210 13 6.5 11.3 | 190 6 1.0 5.5 8 811 1829 200 16 5.5 15.0 | 180 9 -0.0 9.3 9 780 2134 205 12 5.1 10.9 | 175 5 -0.4 5.2 10 751 2438 215 13 7.5 10.6 | 201 5 1.9 4.9 11 722 2743 200 11 3.8 10.3 | 159 5 -1.7 4.6 12 700 2990 185 10 0.9 10.0 | 133 6 -4.6 4.3 13 695 3048 185 11 1.0 11.0 | 139 7 -4.6 5.2 14 641 3658 210 14 7.0 12.1 | 193 7 1.5 6.4 15 616 3962 195 11 2.8 10.6 | 152 6 -2.7 4.9 16 591 4267 200 9 3.1 8.5 | 138 4 -2.4 2.7 17 546 4877 185 6 0.5 6.0 | 93 5 -5.0 0.3 18 500 5540 215 7 4.0 5.7 | 91 1 -1.5 0.0 19 462 6096 270 6 6.0 -0.0 | 355 6 0.5 -5.7 20 425 6706 215 8 4.6 6.6 | 132 1 -0.9 0.8 21 407 7010 225 13 9.2 9.2 | 227 5 3.7 3.5 22 400 7130 210 16 8.0 13.9 | 197 9 2.5 8.1 23 389 7315 210 15 7.5 13.0 | 195 8 2.0 7.3 24 372 7620 220 16 10.3 12.3 | 216 8 4.8 6.5 25 340 8230 225 22 15.6 15.6 | 226 14 10.0 9.8 26 300 9070 225 36 25.5 25.5 | 225 28 19.9 19.7 27 297 9144 230 37 28.3 23.8 | 232 29 22.8 18.1 28 250 10230 225 46 32.5 32.5 | 225 38 27.0 26.8 29 245 10363 225 46 32.5 32.5 | 225 38 27.0 26.8 30 229 10776 230 37 28.3 23.8 | 232 29 22.8 18.1 31 202 11582 250 28 26.3 9.6 | 259 21 20.8 3.9 32 200 11630 245 26 23.6 11.0 | 254 19 18.1 5.3 33 192 11887 245 28 25.4 11.8 | 253 21 19.9 6.1 34 175 12497 260 18 17.7 3.1 | 282 12 12.2 -2.6 35 167 12802 270 20 20.0 -0.0 | 292 16 14.5 -5.7 36 159 13106 240 20 17.3 10.0 | 250 13 11.8 4.3 37 151 13411 275 19 18.9 -1.7 | 299 15 13.4 -7.4 38 150 13470 250 16 15.0 5.5 | 271 10 9.5 -0.2 39 144 13716 240 18 15.6 9.0 | 252 11 10.1 3.3 40 131 14326 270 18 18.0 -0.0 | 295 14 12.5 -5.7 41 125 14630 260 19 18.7 3.3 | 280 13 13.2 -2.4 42 114 15240 280 22 21.7 -3.8 | 301 19 16.2 -9.5 43 109 15545 290 17 16.0 -5.8 | 318 16 10.5 -11.5 44 103 15850 260 17 16.7 3.0 | 284 12 11.2 -2.8 45 100 16070 275 19 18.9 -1.7 | 299 15 13.4 -7.4 46 94 16459 275 19 18.9 -1.7 | 299 15 13.4 -7.4 47 82 17374 270 15 15.0 -0.0 | 301 11 9.5 -5.7 48 78 17678 290 17 16.0 -5.8 | 318 16 10.5 -11.5 49 74 17983 285 12 11.6 -3.1 | 325 11 6.1 -8.8 50 71 18288 250 15 14.1 5.1 | 274 9 8.6 -0.6 51 70 18350 285 17 16.4 -4.4 | 313 15 10.9 -10.1 52 67 18593 285 18 17.4 -4.7 | 311 16 11.9 -10.4 53 61 19202 280 15 14.8 -2.6 | 312 12 9.3 -8.3 54 59 19507 275 4 4.0 -0.3 | 14 6 -1.5 -6.1 55 56 19812 280 13 12.8 -2.3 | 318 11 7.3 -8.0 56 53 20117 310 10 7.7 -6.4 | 350 12 2.1 -12.1 57 51 20422 290 1 0.9 -0.3 | 37 8 -4.6 -6.1 58 50 20530 270 6 6.0 -0.0 | 355 6 0.5 -5.7 59 44 21336 175 1 -0.1 1.0 | 50 7 -5.6 -4.7 60 30 23850 280 2 2.0 -0.3 | 30 7 -3.5 -6.1 61 28 24384 335 7 3.0 -6.3 | 12 12 -2.6 -12.1 62 20 26480 110 7 -6.6 2.4 | 75 13 -12.1 -3.3 63 20 26518 60 10 -8.7 -5.0 | 53 18 -14.2 -10.7 64 19 26822 90 10 -10.0 0.0 | 70 17 -15.5 -5.7 65 17 27432 100 7 -6.9 1.2 | 70 13 -12.4 -4.5 66 14 28651 45 10 -7.1 -7.1 | 45 18 -12.6 -12.8 67 14 28956 55 10 -8.2 -5.7 | 50 18 -13.7 -11.4 68 12 29870 40 10 -6.4 -7.7 | 42 18 -11.9 -13.4 69 11 30175 70 11 -10.3 -3.8 | 59 18 -15.8 -9.5 70 10 31050 85 10 -10.0 -0.9 | 67 17 -15.5 -6.6 71 7 33470 25 9 -3.8 -8.2 | 34 17 -9.3 -13.9 Wind Parameters Mean winds (0-6000m): 194.0 at 10.6 knts Storm direction: 224.0 at 7.9 knts Shear (0-3000m) pos: 2.5 neg: 1.1 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 78.1 deg Storm rel helicity (0-3000m) pos: 77.7 neg: -19.1 tot: 58.7 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.76 Bulk Shear: 17.45 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 ------------------------------------------------------------------------------- 500 128 11 93 14| 11.6 0.0 11.6| 41.3 -0.5 40.8 81.7 0.85| 14.4 12.2 1000 144 11 106 13| 5.5 0.0 5.5| 60.9 -7.9 53.0 53.0 0.61| 13.1 8.0 1500 164 12 123 10| 5.1 0.0 5.1| 74.8 -7.9 66.9 44.6 0.68| 11.7 8.0 2000 177 13 138 9| 3.8 0.3 4.2| 74.8 -10.7 64.1 32.0 0.55| 10.3 5.6 2500 184 13 146 8| 3.0 0.3 3.2| 77.7 -12.1 65.6 26.2 0.52| 9.1 4.7 3000 187 12 148 8| 2.5 1.1 3.6| 77.7 -19.1 58.7 19.6 0.36| 8.6 3.1 4000 190 12 153 7| 2.4 1.2 3.6| 88.3 -25.2 63.1 15.8 0.33| 7.8 2.6 5000 191 11 149 6| 2.0 1.3 3.2| 88.4 -29.8 58.6 11.7 0.24| 6.8 1.6 6000 194 11 147 5| 1.8 1.1 2.9| 88.6 -30.9 57.7 9.6 0.18| 6.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250420.12.gif