UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 25 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 1003 15 2.8 1.9 94 0.9 2.4 100 4 275.7 276.4 275.4 287.6 4.37 1 1000 32 3.4 1.6 88 1.8 2.6 90 6 276.5 277.3 275.7 288.3 4.29 2 996 65 3.4 1.0 84 2.4 2.4 92 6 276.9 277.6 275.7 288.2 4.12 3 942 514 0.0 -0.2 99 0.2 -0.1 137 18 277.9 278.5 276.0 288.9 4.00 4 925 660 -0.9 -1.1 99 0.2 -1.0 150 24 278.4 279.0 276.1 288.9 3.81 5 910 790 -1.7 -1.7 100 0.0 -1.7 153 27 278.9 279.5 276.2 289.1 3.71 6 853 1303 -4.1 -4.1 100 0.0 -4.1 175 24 281.6 282.1 277.1 290.9 3.30 7 850 1331 -4.1 -4.1 100 0.0 -4.1 175 22 281.9 282.4 277.3 291.2 3.32 8 784 1967 -6.1 -6.6 96 0.5 -6.3 178 10 286.3 286.8 279.0 294.9 2.97 9 716 2672 -9.7 -10.6 93 0.9 -10.0 186 15 289.9 290.3 280.0 296.9 2.38 10 700 2847 -9.7 -10.6 93 0.9 -10.0 200 19 291.7 292.2 280.9 299.0 2.43 11 693 2925 -9.9 -10.8 93 0.9 -10.2 202 20 292.4 292.8 281.1 299.6 2.42 12 594 4100 -15.9 -16.9 92 1.0 -16.2 201 14 298.6 298.9 283.0 303.9 1.71 13 573 4371 -16.9 -18.2 90 1.3 -17.3 217 12 300.5 300.8 283.6 305.5 1.59 14 500 5380 -24.1 -25.9 85 1.8 -24.4 225 12 303.7 303.8 284.1 306.7 0.93 15 461 5967 -27.9 -30.2 81 2.3 -28.2 233 14 306.0 306.2 284.7 308.3 0.67 16 438 6332 -30.9 -32.5 86 1.6 -31.1 228 16 306.8 306.9 284.8 308.7 0.57 17 400 6970 -35.3 -38.0 76 2.7 -35.5 220 16 309.1 309.2 285.4 310.4 0.36 18 383 7271 -36.9 -40.1 72 3.2 -37.2 220 17 310.9 310.9 286.0 311.9 0.30 19 378 7361 -37.7 -41.9 65 4.2 -38.0 220 18 311.0 311.0 286.0 311.9 0.25 20 365 7601 -39.9 -42.4 77 2.5 -40.1 220 19 311.2 311.2 286.1 312.1 0.25 21 350 7886 -42.1 -45.4 70 3.3 -42.3 220 19 312.0 312.0 286.3 312.7 0.19 22 336 8161 -44.1 -47.2 71 3.1 -44.3 209 19 312.9 312.9 286.6 313.5 0.16 23 332 8241 -44.5 -49.1 60 4.6 -44.7 205 19 313.4 313.4 286.7 313.9 0.13 24 324 8403 -45.7 -48.7 72 3.0 -45.9 197 19 314.0 314.0 286.9 314.5 0.14 25 312 8653 -47.9 -50.5 74 2.6 -48.0 189 19 314.3 314.3 287.0 314.7 0.12 26 308 8738 -48.7 -51.7 71 3.0 -48.8 187 19 314.3 314.4 287.0 314.7 0.11 27 303 8845 -49.5 -51.4 80 1.9 -49.6 186 19 314.7 314.7 287.1 315.1 0.11 28 300 8910 -50.3 -53.3 70 3.0 -50.4 185 19 314.5 314.5 287.0 314.8 0.09 29 298 8954 -50.7 -54.3 65 3.6 -50.8 184 19 314.5 314.5 287.0 314.8 0.08 30 290 9132 -51.9 -54.3 75 2.4 -52.0 180 20 315.2 315.3 287.3 315.6 0.08 31 279 9383 -53.9 -56.2 76 2.3 -53.9 172 18 315.9 315.9 287.5 316.1 0.07 32 276 9452 -54.3 -57.6 67 3.3 -54.4 171 18 316.3 316.3 287.6 316.5 0.06 33 275 9476 -54.5 -57.1 73 2.6 -54.6 180 20 316.3 316.3 287.6 316.5 0.06 34 273 9523 -54.5 -56.6 77 2.1 -54.5 181 20 317.0 317.0 287.8 317.2 0.07 35 271 9570 -54.7 -57.5 71 2.8 -54.8 182 20 317.3 317.4 287.9 317.6 0.06 36 269 9618 -54.1 -61.1 42 7.0 -54.2 182 20 318.9 318.9 288.4 319.0 0.04 37 266 9690 -54.1 -66.1 22 12.0 -54.3 183 20 319.9 319.9 288.7 320.0 0.02 38 263 9763 -54.3 -67.3 19 13.0 -54.5 185 20 320.7 320.7 289.0 320.7 0.02 39 257 9912 -53.7 -67.7 16 14.0 -53.9 187 19 323.7 323.7 289.9 323.7 0.02 40 250 10090 -54.7 -68.7 16 14.0 -54.9 190 19 324.7 324.7 290.2 324.8 0.01 41 246 10193 -54.9 -68.9 16 14.0 -55.1 192 19 325.9 325.9 290.6 326.0 0.01 42 219 10939 -52.7 -73.7 6 21.0 -53.0 243 19 340.4 340.4 294.4 340.4 0.01 43 211 11181 -50.5 -74.5 4 24.0 -50.9 221 16 347.4 347.4 296.1 347.5 0.01 44 200 11530 -49.9 -75.9 3 26.0 -50.4 220 19 353.8 353.8 297.4 353.8 0.01 45 195 11695 -49.1 -76.1 3 27.0 -49.7 224 20 357.6 357.6 298.2 357.6 0.01 46 186 12003 -49.9 -77.9 2 28.0 -50.4 231 23 361.2 361.2 299.0 361.2 0.01 47 181 12181 -48.1 -78.1 2 30.0 -48.7 235 24 366.9 366.9 300.0 367.0 0.00 48 179 12254 -47.9 -78.9 2 31.0 -48.6 238 23 368.4 368.4 300.3 368.4 0.00 49 162 12907 -49.9 -81.9 1 32.0 -50.5 253 20 375.7 375.7 301.5 375.7 0.00 50 150 13410 -48.7 -81.7 1 33.0 -49.4 260 25 386.2 386.2 303.2 386.2 0.00 51 148 13498 -48.5 -82.5 1 34.0 -49.3 260 24 388.0 388.0 303.5 388.0 0.00 52 143 13724 -50.1 -82.1 1 32.0 -50.8 260 22 389.0 389.0 303.6 389.0 0.00 53 134 14150 -49.1 -83.1 1 34.0 -49.9 247 26 398.1 398.1 304.9 398.1 0.00 54 114 15203 -52.5 -84.5 1 32.0 -53.1 275 16 410.6 410.6 306.6 410.6 0.00 55 100 16050 -52.7 -84.7 1 32.0 -53.4 275 16 425.9 425.9 308.4 425.9 0.00 56 91 16657 -53.9 -84.9 1 31.0 -54.6 273 17 435.2 435.2 309.4 435.2 0.00 57 75 17904 -52.1 -85.1 1 33.0 -53.1 278 16 463.7 463.7 312.1 463.7 0.00 58 70 18350 -53.3 -86.3 1 33.0 -54.2 280 18 470.4 470.4 312.7 470.4 0.00 59 65 18828 -53.7 -85.7 1 32.0 -54.6 288 11 479.6 479.6 313.4 479.6 0.00 60 53 20151 -50.7 -84.7 1 34.0 -52.2 287 6 515.3 515.3 316.0 515.4 0.01 61 50 20530 -51.7 -84.7 1 33.0 -53.1 265 4 521.6 521.6 316.4 521.7 0.01 62 47 20931 -51.9 -84.9 1 33.0 -53.4 157 2 530.5 530.5 316.9 530.5 0.01 63 40 21979 -50.7 -84.7 1 34.0 -52.6 117 4 558.5 558.5 318.6 558.6 0.01 64 35 22846 -52.3 -85.3 1 33.0 -54.1 72 4 576.1 576.1 319.5 576.1 0.01 65 30 23850 -49.3 -85.3 1 36.0 -52.1 20 3 610.2 610.2 321.0 610.3 0.01 66 29 24072 -49.1 -85.1 1 36.0 -52.0 39 5 616.7 616.7 321.3 616.8 0.01 67 27 24537 -51.1 -85.1 1 34.0 -53.7 71 8 623.9 623.9 321.6 623.9 0.01 68 22 25868 -50.7 -85.7 1 35.0 -53.8 125 4 662.7 662.7 323.2 662.8 0.01 69 20 26490 -48.9 -84.9 1 36.0 -52.7 150 2 686.5 686.5 324.0 686.6 0.01 70 18 27183 -47.7 -84.7 1 37.0 -52.2 83 6 711.3 711.3 324.8 711.4 0.02 71 16 27958 -49.1 -85.1 1 36.0 -53.5 109 15 731.1 731.1 325.4 731.2 0.02 72 13 29326 -46.9 -83.9 1 37.0 -52.8 131 14 783.4 783.4 326.8 783.7 0.03 73 12 29856 -47.1 -84.1 1 37.0 -53.2 140 13 800.9 800.9 327.3 801.1 0.03 74 10 31070 -44.1 -83.1 1 39.0 -52.2 155 8 854.9 855.0 328.5 855.3 0.04 75 8.3 32327 -41.7 -82.7 0 41.0 -52.0 911.2 911.2 329.7 911.7 0.05 TRP 275 9476 -54.5 -57.1 73 2.6 -54.6 180 20 316.3 316.3 287.6 316.5 0.06 WND Sounding variables and indices 1000-500 mb thick: 5348.00 m Freezing level: 942.00 mb = 514.24 m = 1687.11 ft Wetbulb zero: 944.14 mb = 495.95 m = 1627.11 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 93.30 % Est. max temperature: 8.66 C = 47.58 F Sfc-Lift cond lev (LCL): 989.13 mb = 120.34 m = 394.80 ft T: 2.98 C 700-500 lapse rate: 5.68 C/km ThetaE index: 0.10 C Layer 996.0- 942.0 mb Conv cond level (CCL): 934.03 mb = 582.23 m = 1910.19 ft Mean mixing ratio: 3.97 g/kg Conv temperature: 5.20 C = 41.35 F Cap Strength: 11.73 C Lifted Index: 13.15 C Risk: None Lifted Index @300 mb: 18.29 C Lifted Index @700 mb: 6.80 C Showalter Index: 11.21 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 20.00 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 56.00 Risk: None Energy Index: 3.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.48 J/kg Max Up Vert Vel: 4.12 m/s Conv Inhibition (B-): 79803.67 J/kg Cap Strength: 12.91 C Lift Cond Lev (LCL): 938.98 mb = 539.98 m = 1771.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 11 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 1003 15 100 4 -3.9 0.7 | 55 14 -11.4 -8.0 1 1000 32 90 6 -6.0 0.0 | 57 16 -13.5 -8.7 2 967 305 110 9 -8.5 3.1 | 71 17 -15.9 -5.6 3 931 610 150 22 -11.0 19.1 | 119 21 -18.5 10.4 4 925 660 150 24 -12.0 20.8 | 122 23 -19.5 12.1 5 896 914 155 29 -12.3 26.3 | 132 26 -19.7 17.6 6 862 1219 175 28 -2.4 27.9 | 153 22 -9.9 19.2 7 850 1331 175 22 -1.9 21.9 | 145 16 -9.4 13.2 8 829 1524 175 20 -1.7 19.9 | 141 15 -9.2 11.2 9 798 1829 185 10 0.9 10.0 | 101 7 -6.6 1.3 10 767 2134 170 11 -1.9 10.8 | 103 10 -9.4 2.2 11 738 2438 175 13 -1.1 13.0 | 116 10 -8.6 4.3 12 709 2743 190 16 2.8 15.8 | 146 9 -4.7 7.1 13 700 2847 200 19 6.5 17.9 | 174 9 -1.0 9.2 14 682 3048 205 22 9.3 19.9 | 189 11 1.8 11.3 15 655 3353 215 13 7.5 10.6 | 179 2 -0.0 2.0 16 629 3658 210 18 9.0 15.6 | 192 7 1.5 6.9 17 604 3962 195 14 3.6 13.5 | 141 6 -3.9 4.8 18 580 4267 210 13 6.5 11.3 | 159 3 -1.0 2.6 19 557 4572 235 9 7.4 5.2 | 2 4 -0.1 -3.5 20 535 4877 225 12 8.5 8.5 | 281 1 1.0 -0.2 21 500 5380 225 12 8.5 8.5 | 281 1 1.0 -0.2 22 493 5486 225 12 8.5 8.5 | 281 1 1.0 -0.2 23 452 6096 235 15 12.3 8.6 | 271 5 4.8 -0.1 24 415 6706 215 18 10.3 14.7 | 205 7 2.8 6.1 25 400 6970 220 16 10.3 12.3 | 218 5 2.8 3.6 26 363 7620 220 19 12.2 14.6 | 219 8 4.7 5.9 27 347 7925 220 19 12.2 14.6 | 219 8 4.7 5.9 28 317 8534 190 19 3.3 18.7 | 157 11 -4.2 10.0 29 300 8910 185 19 1.7 18.9 | 150 12 -5.8 10.3 30 289 9144 180 20 0.0 20.0 | 147 14 -7.5 11.3 31 276 9449 170 18 -3.1 17.7 | 130 14 -10.6 9.1 32 275 9476 180 20 0.0 20.0 | 147 14 -7.5 11.3 33 250 10090 190 19 3.3 18.7 | 157 11 -4.2 10.0 34 240 10363 195 20 5.2 19.3 | 168 11 -2.3 10.6 35 218 10973 245 19 17.2 8.0 | 274 10 9.7 -0.6 36 208 11278 210 14 7.0 12.1 | 172 3 -0.5 3.4 37 200 11530 220 19 12.2 14.6 | 219 8 4.7 5.9 38 181 12192 235 24 19.7 13.8 | 247 13 12.2 5.1 39 165 12802 260 19 18.7 3.3 | 296 12 11.2 -5.4 40 157 13106 240 21 18.2 10.5 | 260 11 10.7 1.8 41 150 13410 260 25 24.6 4.3 | 284 18 17.1 -4.3 42 143 13716 260 22 21.7 3.8 | 289 15 14.2 -4.9 43 137 14021 240 27 23.4 13.5 | 253 17 15.9 4.8 44 124 14630 275 23 22.9 -2.0 | 305 19 15.4 -10.7 45 113 15240 275 16 15.9 -1.4 | 320 13 8.5 -10.1 46 108 15545 265 22 21.9 1.9 | 295 16 14.4 -6.8 47 103 15850 285 19 18.4 -4.9 | 321 17 10.9 -13.6 48 100 16050 275 16 15.9 -1.4 | 320 13 8.5 -10.1 49 94 16459 275 16 15.9 -1.4 | 320 13 8.5 -10.1 50 85 17069 270 19 19.0 -0.0 | 307 14 11.5 -8.7 51 78 17678 280 20 19.7 -3.5 | 315 17 12.2 -12.1 52 71 18288 275 8 8.0 -0.7 | 357 9 0.5 -9.4 53 70 18350 280 18 17.7 -3.1 | 319 16 10.2 -11.8 54 67 18593 265 15 14.9 1.3 | 315 10 7.5 -7.4 55 64 18898 295 10 9.1 -4.2 | 353 13 1.6 -12.9 56 59 19507 325 10 5.7 -8.2 | 6 17 -1.7 -16.9 57 50 20530 265 4 4.0 0.3 | 23 9 -3.5 -8.3 58 49 20726 160 1 -0.3 0.9 | 45 11 -7.8 -7.7 59 44 21336 150 5 -2.5 4.3 | 66 11 -10.0 -4.3 60 30 23850 20 3 -1.0 -2.8 | 37 14 -8.5 -11.5 61 28 24384 65 9 -8.2 -3.8 | 51 20 -15.6 -12.5 62 20 26490 150 2 -1.0 1.7 | 51 11 -8.5 -6.9 63 17 27432 60 8 -6.9 -4.0 | 49 19 -14.4 -12.7 64 17 27737 105 15 -14.5 3.9 | 78 22 -22.0 -4.8 65 11 30175 145 13 -7.5 10.6 | 98 15 -14.9 2.0 66 10 31070 155 8 -3.4 7.3 | 83 11 -10.9 -1.4 Wind Parameters Mean winds (0-6000m): 190.8 at 15.3 knts Storm direction: 220.8 at 11.5 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 131.9 deg Storm rel helicity (0-3000m) pos: 223.0 neg: -31.7 tot: 191.2 m^2/s^2 ave: 63.7 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 6.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 32.77 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 ------------------------------------------------------------------------------- 500 117 10 75 17| 15.4 0.0 15.4| 70.3 0.0 70.3 140.7 0.89| 17.3 15.4 1000 144 18 107 19| 13.9 0.0 13.9|154.9 0.0 154.9 154.9 0.86| 17.2 14.9 1500 156 20 122 18| 6.7 0.0 6.7|190.0 -16.7 173.3 115.5 0.65| 16.4 10.7 2000 160 18 122 16| 2.7 0.0 2.7|190.2 -31.7 158.4 79.2 0.42| 15.3 6.4 2500 162 17 121 15| 2.8 0.0 2.8|198.6 -31.7 166.9 66.7 0.44| 13.2 5.8 3000 168 17 126 14| 3.9 0.0 3.9|223.0 -31.7 191.2 63.7 0.52| 12.8 6.6 4000 178 17 135 12| 2.3 0.5 2.8|225.2 -40.9 184.3 46.1 0.37| 11.9 4.4 5000 184 16 138 10| 1.7 0.4 2.1|226.3 -42.0 184.3 36.9 0.28| 10.8 3.1 6000 191 15 144 8| 1.7 0.3 2.0|226.3 -42.1 184.2 30.7 0.27| 9.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250425.12.gif