UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for KNKX... Searching the city database file for: KNKX ... Date:0000Z 28 APR 25 Station: KNKX WMO ident: 72293 Latitude: 32.87 Longitude: -117.13 Elevation: 146.00 ------------------------------------------------------------------------------- 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 146 16.8 6.8 52 10.0 11.3 250 12 289.8 290.9 284.4 307.4 6.19 1 1000 155 16.2 7.2 55 9.0 11.2 255 9 289.4 290.5 284.4 307.5 6.37 2 989 249 14.2 7.2 63 7.0 10.3 270 10 288.3 289.4 284.0 306.5 6.45 3 954 551 10.6 6.6 76 4.0 8.5 288 12 287.6 288.7 283.7 305.7 6.41 4 925 808 8.4 5.9 84 2.5 7.1 295 12 287.9 289.0 283.7 305.7 6.30 5 892 1107 5.2 5.2 100 0.0 5.2 297 12 287.6 288.7 283.5 305.2 6.22 6 886 1162 4.8 4.7 99 0.1 4.8 296 12 287.7 288.8 283.3 304.8 6.05 7 884 1181 4.8 2.6 86 2.2 3.7 296 12 287.9 288.8 282.5 302.8 5.22 8 880 1218 4.4 4.1 98 0.3 4.2 295 12 287.9 288.9 283.2 304.4 5.84 9 875 1264 4.0 4.0 100 0.0 4.0 300 12 287.9 289.0 283.2 304.5 5.83 10 869 1320 3.6 2.2 91 1.4 2.9 306 12 288.1 289.0 282.5 302.8 5.16 11 860 1405 3.4 1.4 87 2.0 2.4 315 12 288.7 289.6 282.5 302.8 4.92 12 851 1490 3.0 1.2 88 1.8 2.1 324 12 289.2 290.1 282.7 303.2 4.90 13 850 1500 3.0 1.1 87 1.9 2.1 325 12 289.3 290.1 282.7 303.3 4.87 14 839 1606 3.6 0.5 80 3.1 2.1 300 15 291.0 291.8 283.2 304.7 4.73 15 800 1990 0.4 -0.5 94 0.9 -0.0 297 16 291.6 292.4 283.4 304.9 4.61 16 787 2122 1.4 -3.1 72 4.5 -0.6 295 16 294.0 294.7 283.5 305.4 3.86 17 745 2562 0.0 -7.0 59 7.0 -2.9 289 21 297.1 297.7 283.9 306.3 3.03 18 740 2616 0.0 -9.0 51 9.0 -3.5 291 22 297.7 298.2 283.7 305.7 2.61 19 729 2736 -0.7 -8.7 55 8.0 -3.8 295 24 298.2 298.7 284.0 306.5 2.71 20 718 2858 -1.1 -10.1 50 9.0 -4.5 299 23 299.1 299.5 284.1 306.7 2.47 21 714 2902 0.0 -19.0 22 19.0 -5.8 300 22 300.8 301.0 283.2 304.6 1.19 22 708 2970 0.0 -20.0 21 20.0 -6.1 302 22 301.5 301.7 283.4 305.1 1.10 23 700 3061 -0.5 -21.5 19 21.0 -6.6 305 22 301.9 302.1 283.4 305.1 0.98 24 680 3293 -1.3 -26.3 13 25.0 -7.8 301 22 303.6 303.7 283.7 305.7 0.66 25 676 3340 -1.3 -17.3 28 16.0 -6.5 300 22 304.1 304.3 284.8 308.7 1.45 26 647 3688 -3.5 -17.5 33 14.0 -7.9 280 28 305.4 305.7 285.4 310.2 1.49 27 619 4037 -4.7 -24.7 19 20.0 -10.0 283 30 307.9 308.1 285.6 310.7 0.83 28 612 4127 -5.3 -22.3 25 17.0 -10.1 284 30 308.2 308.4 285.9 311.7 1.04 29 579 4560 -8.9 -23.9 29 15.0 -12.8 283 31 309.0 309.1 286.1 312.1 0.96 30 528 5268 -14.1 -30.1 24 16.0 -17.4 282 31 311.0 311.1 286.4 313.0 0.59 31 504 5620 -15.9 -40.9 10 25.0 -19.6 285 33 312.9 313.0 286.6 313.7 0.21 32 503 5635 -16.1 -41.1 10 25.0 -19.7 285 33 312.9 312.9 286.6 313.6 0.21 33 500 5680 -16.5 -41.5 10 25.0 -20.1 285 33 312.9 313.0 286.6 313.7 0.20 34 425 6869 -27.1 -49.1 11 22.0 -29.0 286 33 314.3 314.3 286.9 314.7 0.10 35 400 7300 -30.5 -52.5 10 22.0 -32.0 270 38 315.3 315.4 287.3 315.6 0.07 36 380 7663 -33.5 -52.5 13 19.0 -34.7 274 42 316.1 316.1 287.5 316.4 0.08 37 359 8061 -35.7 -55.7 11 20.0 -36.7 268 46 318.3 318.3 288.2 318.5 0.06 38 349 8258 -35.9 -60.9 6 25.0 -37.0 265 49 320.6 320.6 288.9 320.7 0.03 39 342 8399 -35.1 -64.1 4 29.0 -36.4 264 58 323.5 323.6 289.9 323.6 0.02 40 340 8440 -34.5 -54.5 11 20.0 -35.7 263 61 324.9 324.9 290.3 325.2 0.07 41 334 8565 -33.9 -58.9 6 25.0 -35.3 262 68 327.4 327.4 291.0 327.6 0.04 42 319 8886 -35.9 -60.9 6 25.0 -37.1 260 85 328.9 329.0 291.5 329.1 0.03 43 305 9196 -38.5 -60.6 8 22.1 -39.5 260 91 329.5 329.5 291.6 329.6 0.04 44 300 9310 -39.5 -60.5 9 21.0 -40.4 260 88 329.7 329.7 291.7 329.8 0.04 45 273 9947 -45.1 -61.1 15 16.0 -45.6 260 86 330.6 330.6 291.9 330.7 0.04 46 268 10070 -46.1 -64.1 11 18.0 -46.6 260 85 330.9 330.9 292.0 331.0 0.03 47 266 10120 -45.9 -65.9 9 20.0 -46.4 260 85 331.9 331.9 292.3 332.0 0.02 48 250 10530 -48.7 -65.7 12 17.0 -49.1 260 81 333.7 333.7 292.7 333.8 0.02 49 244 10689 -49.5 -65.5 14 16.0 -49.9 260 82 334.8 334.8 293.0 334.9 0.02 50 208 11714 -58.3 -66.3 35 8.0 -58.4 262 83 336.6 336.6 293.5 336.7 0.02 51 206 11774 -58.7 -66.7 35 8.0 -58.8 262 81 336.9 337.0 293.6 337.0 0.02 52 201 11929 -58.3 -69.3 23 11.0 -58.5 265 77 340.0 340.0 294.3 340.0 0.02 53 200 11960 -58.3 -69.3 23 11.0 -58.5 265 76 340.4 340.4 294.4 340.5 0.02 54 198 12023 -58.5 -70.5 20 12.0 -58.6 266 75 341.1 341.1 294.6 341.2 0.01 55 192 12217 -60.3 -71.3 22 11.0 -60.4 267 73 341.2 341.2 294.6 341.3 0.01 56 183 12516 -61.9 -74.9 16 13.0 -62.0 270 70 343.3 343.4 295.1 343.4 0.01 57 179 12653 -59.7 -82.7 3 23.0 -59.9 268 71 349.1 349.1 296.4 349.1 0.00 58 176 12760 -55.7 -83.7 2 28.0 -56.0 266 73 357.4 357.4 298.2 357.4 0.00 59 173 12870 -55.1 -83.1 2 28.0 -55.4 263 72 360.1 360.1 298.7 360.2 0.00 60 150 13780 -56.7 -83.7 2 27.0 -57.0 255 55 372.4 372.4 301.0 372.4 0.00 61 100 16320 -60.1 -86.1 2 26.0 -60.4 255 29 411.6 411.6 306.7 411.6 0.00 62 82 17553 -62.7 -87.7 2 25.0 -63.0 244 27 430.3 430.3 308.9 430.3 0.00 63 77 17943 -60.3 -87.3 2 27.0 -60.7 258 30 443.1 443.1 310.2 443.1 0.00 64 74 18195 -53.7 -85.7 1 32.0 -54.5 238 31 462.1 462.1 312.0 462.1 0.00 65 70 18550 -57.5 -85.5 2 28.0 -58.0 150 5 461.4 461.4 311.9 461.4 0.00 66 65 19015 -61.1 -87.1 2 26.0 -61.5 226 10 463.4 463.4 312.1 463.4 0.00 67 59 19614 -63.5 -88.5 2 25.0 -63.8 207 5 471.0 471.0 312.7 471.0 0.00 68 56 19935 -64.3 -89.3 2 25.0 -64.6 190 6 476.3 476.3 313.1 476.3 0.00 69 54 20158 -62.5 -89.5 1 27.0 -62.9 179 11 485.4 485.4 313.9 485.4 0.00 70 53 20275 -58.7 -87.7 1 29.0 -59.3 191 14 496.8 496.8 314.7 496.8 0.00 71 50 20640 -60.3 -87.3 2 27.0 -60.9 80 10 501.4 501.4 315.1 501.4 0.00 72 46 21158 -61.3 -88.3 2 27.0 -61.9 129 9 511.1 511.1 315.7 511.1 0.00 73 30 23850 -54.9 -84.9 1 30.0 -56.5 70 11 595.0 595.0 320.4 595.0 0.01 74 25 25013 -55.7 -85.7 1 30.0 -57.4 89 15 624.5 624.5 321.7 624.6 0.01 75 23 25547 -52.9 -84.9 1 32.0 -55.3 106 10 647.8 647.8 322.6 647.9 0.01 76 20 26450 -51.9 -83.9 1 32.0 -54.8 270 7 677.3 677.3 323.7 677.4 0.02 77 18 27136 -49.7 -83.7 1 34.0 -53.5 263 10 705.0 705.0 324.6 705.1 0.02 78 17 27510 -50.3 -83.3 1 33.0 -54.1 316 13 714.7 714.7 324.9 714.8 0.02 79 13 29274 -47.1 -82.1 1 35.0 -52.9 45 6 782.7 782.8 326.8 783.1 0.04 80 12 29803 -48.5 -82.5 1 34.0 -54.0 73 10 795.9 795.9 327.1 796.2 0.04 81 11 30380 -44.7 -81.7 1 37.0 -52.1 225 12 829.8 829.8 328.0 830.2 0.05 82 10 31020 -43.3 -80.3 1 37.0 -51.8 270 17 857.9 857.9 328.6 858.5 0.06 83 8.9 31809 -40.7 -79.7 1 39.0 -51.1 897.0 897.1 329.4 897.8 0.08 TRP 183 12516 -61.9 -74.9 16 13.0 -62.0 270 70 343.3 343.4 295.1 343.4 0.01 WND 305 9196 -38.5 -60.6 8 22.1 -39.5 260 91 329.5 329.5 291.6 329.6 0.04 Sounding variables and indices 1000-500 mb thick: 5525.00 m Freezing level: 740.00 mb = 2616.40 m = 8583.88 ft Freezing level: 714.00 mb = 2902.39 m = 9522.17 ft Freezing level: 708.00 mb = 2970.02 m = 9744.04 ft Wetbulb zero: 800.70 mb = 1982.95 m = 6505.68 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 49.51 % Est. max temperature: 16.16 C = 61.08 F Sfc-Lift cond lev (LCL): 862.59 mb = 1380.52 m = 4529.22 ft T: 3.46 C 700-500 lapse rate: 6.11 C/km ThetaE index: 2.92 C Layer 892.0- 880.0 mb Conv cond level (CCL): 895.87 mb = 1071.46 m = 3515.24 ft Mean mixing ratio: 6.37 g/kg Conv temperature: 14.65 C = 58.37 F Cap Strength: 8.54 C Lifted Index: 8.44 C Risk: None Lifted Index @300 mb: 16.99 C Lifted Index @700 mb: 5.69 C Showalter Index: 10.20 C Risk: None Total Totals Index: 37.10 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 17.60 C K Index: -0.40 Risk: None Sweat Index: 70.20 Risk: None Energy Index: 2.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.33 J/kg Max Up Vert Vel: 4.76 m/s Conv Inhibition (B-): 3.16 J/kg Cap Strength: 8.46 C Lift Cond Lev (LCL): 891.49 mb = 1111.76 m = 3647.46 ft Lev Free Conv (LFC): 886.49 mb = 1157.76 m = 3798.39 ft Equ Level (EL): 846.49 mb = 1533.58 m = 5031.38 ft B at Equ Level: 10.93 J/kg Max Parcel Lev (MPL): 786.49 mb = 2126.97 m = 6978.15 ft Wind level data Storm motion: 318 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 1002 146 250 12 11.3 4.1 | 180 17 -0.1 17.0 1 1000 155 255 9 8.7 2.3 | 170 15 -2.7 15.2 2 982 305 280 10 9.8 -1.7 | 172 11 -1.6 11.1 3 947 610 290 13 12.2 -4.4 | 186 8 0.8 8.4 4 925 808 295 12 10.9 -5.1 | 176 8 -0.5 7.8 5 913 914 300 13 11.3 -6.5 | 179 6 -0.1 6.4 6 880 1219 295 12 10.9 -5.1 | 176 8 -0.5 7.8 7 850 1500 325 12 6.9 -9.8 | 124 5 -4.5 3.0 8 847 1524 300 14 12.1 -7.0 | 187 6 0.7 5.9 9 816 1829 300 17 14.7 -8.5 | 217 5 3.3 4.4 10 786 2134 295 16 14.5 -6.8 | 207 7 3.1 6.1 11 756 2438 285 19 18.4 -4.9 | 221 11 7.0 7.9 12 728 2743 295 24 21.8 -10.1 | 255 11 10.4 2.7 13 701 3048 305 21 17.2 -12.0 | 262 6 5.8 0.8 14 700 3061 305 22 18.0 -12.6 | 268 7 6.6 0.2 15 674 3353 300 22 19.1 -11.0 | 256 8 7.7 1.9 16 648 3658 280 28 27.6 -4.9 | 244 18 16.2 8.0 17 600 4267 285 31 29.9 -8.0 | 255 19 18.5 4.8 18 554 4877 280 30 29.5 -5.2 | 247 20 18.1 7.6 19 500 5680 285 33 31.9 -8.5 | 258 21 20.5 4.3 20 472 6096 290 32 30.1 -10.9 | 264 19 18.7 1.9 21 416 7010 285 33 31.9 -8.5 | 258 21 20.5 4.3 22 400 7300 270 38 38.0 -0.0 | 244 30 26.6 12.9 23 382 7620 275 42 41.8 -3.7 | 253 32 30.4 9.2 24 350 8230 265 48 47.8 4.2 | 245 40 36.4 17.0 25 321 8839 260 85 83.7 14.8 | 249 77 72.3 27.6 26 307 9144 260 86 84.7 14.9 | 249 78 73.3 27.8 27 305 9196 260 91 89.6 15.8 | 250 83 78.2 28.7 28 300 9310 260 88 86.7 15.3 | 250 80 75.3 28.1 29 294 9449 260 91 89.6 15.8 | 250 83 78.2 28.7 30 250 10530 260 81 79.8 14.1 | 249 73 68.4 26.9 31 212 11582 260 86 84.7 14.9 | 249 78 73.3 27.8 32 200 11960 265 76 75.7 6.6 | 253 67 64.3 19.5 33 183 12516 270 70 70.0 -0.0 | 258 60 58.6 12.9 34 175 12802 265 73 72.7 6.4 | 253 64 61.3 19.2 35 159 13411 250 66 62.0 22.6 | 235 62 50.6 35.4 36 150 13780 255 55 53.1 14.2 | 237 50 41.7 27.1 37 131 14630 265 45 44.8 3.9 | 243 37 33.4 16.8 38 125 14935 250 47 44.2 16.1 | 229 44 32.8 28.9 39 119 15240 250 50 47.0 17.1 | 230 47 35.6 30.0 40 103 16154 250 48 45.1 16.4 | 229 45 33.7 29.3 41 100 16320 255 29 28.0 7.5 | 219 26 16.6 20.4 42 98 16459 255 29 28.0 7.5 | 219 26 16.6 20.4 43 89 17069 240 19 16.5 9.5 | 193 23 5.1 22.4 44 84 17374 250 27 25.4 9.2 | 212 26 14.0 22.1 45 80 17678 240 27 23.4 13.5 | 204 29 12.0 26.4 46 77 17983 260 30 29.5 5.2 | 225 26 18.1 18.1 47 73 18288 230 31 23.7 19.9 | 201 35 12.3 32.8 48 70 18550 150 5 -2.5 4.3 | 141 22 -13.9 17.2 49 70 18593 240 14 12.1 7.0 | 182 20 0.7 19.9 50 57 19812 200 3 1.0 2.8 | 147 19 -10.4 15.7 51 54 20117 175 10 -0.9 10.0 | 152 26 -12.3 22.8 52 52 20422 205 17 7.2 15.4 | 172 29 -4.2 28.3 53 50 20640 80 10 -9.8 -1.7 | 118 24 -21.2 11.1 54 49 20726 50 10 -7.7 -6.4 | 109 20 -19.1 6.4 55 45 21336 160 8 -2.7 7.5 | 145 25 -14.1 20.4 56 41 21946 0 0 -0.0 -0.0 | 138 17 -11.4 12.9 57 39 22250 110 12 -11.3 4.1 | 127 28 -22.7 17.0 58 37 22555 280 3 3.0 -0.5 | 146 15 -8.4 12.3 59 33 23165 35 16 -9.2 -13.1 | 89 21 -20.6 -0.3 60 32 23470 120 10 -8.7 5.0 | 132 27 -20.1 17.9 61 30 23850 70 11 -10.3 -3.8 | 113 24 -21.7 9.1 62 29 24079 65 10 -9.1 -4.2 | 113 22 -20.5 8.6 63 28 24384 65 14 -12.7 -5.9 | 106 25 -24.1 6.9 64 26 24689 70 18 -16.9 -6.2 | 103 29 -28.3 6.7 65 25 24994 85 16 -15.9 -1.4 | 113 30 -27.3 11.5 66 24 25298 135 10 -7.1 7.1 | 137 27 -18.5 19.9 67 23 25603 100 10 -9.8 1.7 | 124 26 -21.2 14.6 68 22 25908 100 10 -9.8 1.7 | 124 26 -21.2 14.6 69 20 26450 270 7 7.0 -0.0 | 161 14 -4.4 12.9 70 20 26518 185 3 0.3 3.0 | 145 19 -11.1 15.8 71 18 27127 260 10 9.8 1.7 | 174 15 -1.6 14.6 72 17 27432 315 14 9.9 -9.9 | 153 3 -1.5 3.0 73 16 27737 320 10 6.4 -7.7 | 136 7 -5.0 5.2 74 16 28042 340 16 5.5 -15.0 | 70 6 -5.9 -2.2 75 15 28346 350 10 1.7 -9.8 | 107 10 -9.7 3.0 76 14 28956 50 1 -0.8 -0.6 | 135 17 -12.2 12.2 77 12 29566 40 10 -6.4 -7.7 | 106 19 -17.8 5.2 78 12 29870 80 10 -9.8 -1.7 | 118 24 -21.2 11.1 79 11 30175 210 10 5.0 8.7 | 163 22 -6.4 21.5 80 10 31020 270 17 17.0 -0.0 | 204 14 5.6 12.9 Wind Parameters Mean winds (0-6000m): 288.4 at 22.9 knts Storm direction: 318.4 at 17.2 knts Shear (0-3000m) pos: 2.7 neg: 1.3 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 84.7 deg Storm rel helicity (0-3000m) pos: 40.1 neg: -18.1 tot: 22.1 m^2/s^2 ave: 7.4 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 19.45 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 ------------------------------------------------------------------------------- 500 281 11 177 11| 9.0 0.0 9.0| 5.6 -7.6 -2.0 -4.1 0.01| 10.0 0.1 1000 289 12 178 9| 4.9 0.0 4.9| 5.9 -10.0 -4.1 -4.1 -0.07| 6.7 -0.4 1500 295 12 177 8| 4.1 0.0 4.1| 13.6 -16.6 -2.9 -2.0 0.04| 8.2 0.3 2000 296 13 183 7| 3.0 0.4 3.5| 16.1 -18.1 -1.9 -1.0 0.06| 7.0 0.4 2500 294 14 193 7| 2.4 1.6 4.0| 31.9 -18.1 13.8 5.5 0.22| 7.3 1.6 3000 295 16 204 7| 2.7 1.3 4.0| 40.1 -18.1 22.1 7.4 0.25| 7.5 1.9 4000 292 18 224 8| 2.3 2.3 4.6| 54.1 -29.6 24.5 6.1 0.17| 7.5 1.3 5000 289 21 235 10| 1.8 1.9 3.8| 63.3 -42.6 20.8 4.2 0.15| 6.5 1.0 6000 288 23 241 12| 1.9 1.6 3.5| 87.8 -42.6 45.2 7.5 0.21| 5.9 1.2 Wrote GIF file: /home/apache/climate/data/raob//KNKX/skewt/KNKX.skewt.20250428.00.gif