UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for KNKX... Searching the city database file for: KNKX ... Date:0000Z 18 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 ------------------------------------------------------------------------------- 0 1000 126 300 10 SFC 999 146 17.0 5.0 45 12.0 10.6 300 10 290.2 291.2 283.8 305.9 5.47 2 995 179 15.8 4.8 48 11.0 10.0 294 10 289.4 290.3 283.3 304.8 5.42 3 985 263 15.2 2.2 41 13.0 8.6 278 11 289.6 290.4 282.5 302.7 4.55 4 925 781 10.0 2.0 57 8.0 6.1 270 13 289.5 290.4 282.7 303.3 4.78 5 892 1082 7.2 2.6 73 4.6 4.9 278 11 289.7 290.6 283.2 304.5 5.17 6 890 1100 7.0 1.0 66 6.0 4.1 278 11 289.6 290.5 282.5 302.9 4.62 7 850 1476 3.4 1.2 85 2.2 2.4 265 10 289.7 290.6 282.9 303.8 4.91 8 821 1756 0.6 0.6 100 0.0 0.6 276 12 289.6 290.5 282.8 303.6 4.87 9 799 1974 -0.7 -0.7 100 0.0 -0.7 263 10 290.5 291.3 282.8 303.6 4.55 10 766 2310 -1.7 -1.9 99 0.2 -1.8 277 11 293.0 293.7 283.7 305.6 4.34 11 764 2331 -1.7 -3.2 89 1.5 -2.4 281 11 293.2 293.9 283.3 304.8 3.95 12 762 2352 -0.9 -6.9 64 6.0 -3.3 285 12 294.3 294.8 282.7 303.2 2.99 13 761 2363 1.0 -15.0 29 16.0 -4.3 287 12 296.4 296.7 281.9 301.3 1.57 14 757 2405 2.2 -16.8 23 19.0 -4.0 294 13 298.2 298.4 282.4 302.4 1.35 15 753 2448 2.4 -18.6 19 21.0 -4.2 299 14 298.8 299.1 282.4 302.6 1.17 16 736 2632 1.6 -26.4 10 28.0 -5.7 278 17 299.9 300.0 282.1 301.9 0.60 17 731 2687 2.8 -38.2 3 41.0 -5.8 271 17 301.8 301.9 282.4 302.5 0.19 18 726 2743 2.6 -31.4 6 34.0 -5.6 265 18 302.2 302.3 282.8 303.5 0.38 19 700 3037 1.0 -29.0 9 30.0 -6.5 255 15 303.6 303.7 283.5 305.3 0.50 20 693 3118 0.4 -30.6 8 31.0 -7.0 255 15 303.8 303.9 283.5 305.3 0.43 21 670 3387 -1.5 -33.5 7 32.0 -8.5 273 16 304.6 304.7 283.7 305.8 0.34 22 648 3652 -3.9 -23.9 19 20.0 -9.3 252 16 304.8 305.0 284.4 307.6 0.86 23 620 3999 -6.5 -32.5 11 26.0 -11.9 253 16 305.7 305.8 284.2 307.1 0.40 24 615 4062 -7.1 -27.1 19 20.0 -11.9 253 16 305.7 305.9 284.5 308.0 0.67 25 610 4126 -7.7 -28.7 17 21.0 -12.5 254 16 305.8 305.9 284.5 307.7 0.59 26 607 4164 -7.9 -22.9 29 15.0 -11.9 254 16 306.0 306.1 285.0 309.3 1.00 27 598 4280 -9.1 -22.1 34 13.0 -12.6 255 16 305.9 306.1 285.1 309.4 1.09 28 597 4293 -9.3 -22.3 34 13.0 -12.7 255 16 305.8 306.0 285.1 309.3 1.07 29 591 4371 -9.7 -28.7 20 19.0 -13.9 256 15 306.2 306.3 284.7 308.3 0.60 30 588 4410 -9.9 -24.9 28 15.0 -13.6 257 15 306.4 306.6 285.1 309.3 0.86 31 579 4529 -10.9 -25.9 28 15.0 -14.4 259 14 306.6 306.8 285.1 309.3 0.80 32 568 4676 -11.9 -38.9 9 27.0 -16.3 261 13 307.1 307.2 284.5 307.9 0.23 33 554 4867 -13.1 -25.1 36 12.0 -15.9 265 12 307.9 308.1 285.7 310.9 0.90 34 549 4936 -13.7 -24.7 39 11.0 -16.3 261 12 308.0 308.2 285.7 311.1 0.94 35 538 5089 -15.1 -27.1 35 12.0 -17.7 246 11 308.1 308.3 285.6 310.7 0.77 36 534 5145 -14.9 -34.9 16 20.0 -18.3 240 10 309.0 309.1 285.4 310.3 0.37 37 513 5448 -16.9 -32.9 24 16.0 -19.7 235 12 310.1 310.2 285.9 311.8 0.47 38 500 5640 -18.5 -36.5 19 18.0 -21.2 235 13 310.5 310.5 285.9 311.7 0.34 39 453 6364 -25.1 -39.1 26 14.0 -26.8 238 11 311.1 311.2 286.1 312.1 0.28 40 441 6557 -26.7 -43.7 18 17.0 -28.4 247 11 311.5 311.5 286.1 312.1 0.18 41 409 7094 -31.5 -43.5 30 12.0 -32.6 243 12 312.1 312.1 286.3 312.8 0.20 42 403 7198 -32.5 -40.5 45 8.0 -33.3 248 13 312.1 312.1 286.4 313.1 0.28 43 400 7250 -32.9 -40.9 45 8.0 -33.6 250 13 312.2 312.3 286.5 313.2 0.27 44 399 7268 -32.9 -40.9 45 8.0 -33.6 251 13 312.5 312.5 286.5 313.4 0.27 45 394 7356 -33.3 -43.3 36 10.0 -34.1 253 13 313.1 313.1 286.7 313.8 0.21 46 380 7610 -35.5 -43.5 44 8.0 -36.1 241 12 313.4 313.5 286.8 314.2 0.21 47 378 7646 -35.7 -44.7 39 9.0 -36.4 239 12 313.6 313.7 286.8 314.3 0.19 48 376 7683 -35.9 -48.9 25 13.0 -36.7 237 13 313.8 313.9 286.8 314.3 0.12 49 369 7814 -37.1 -48.1 31 11.0 -37.8 231 16 313.9 314.0 286.9 314.4 0.13 50 364 7908 -38.1 -49.1 31 11.0 -38.7 226 18 313.8 313.8 286.8 314.3 0.12 51 345 8276 -39.9 -57.9 13 18.0 -40.6 225 30 316.2 316.2 287.6 316.4 0.04 52 344 8296 -39.7 -59.7 10 20.0 -40.5 225 31 316.8 316.8 287.7 316.9 0.04 53 340 8376 -39.9 -58.9 11 19.0 -40.6 225 33 317.6 317.6 288.0 317.7 0.04 54 314 8915 -44.3 -61.3 13 17.0 -44.8 225 41 318.7 318.7 288.3 318.9 0.03 55 300 9220 -45.5 -62.5 13 17.0 -46.0 235 40 321.2 321.2 289.2 321.3 0.03 56 290 9446 -46.9 -64.9 11 18.0 -47.3 235 40 322.4 322.4 289.5 322.4 0.02 57 250 10430 -48.3 -73.3 4 25.0 -48.8 250 42 334.3 334.3 292.9 334.3 0.01 58 200 11880 -52.1 -79.1 2 27.0 -52.5 245 45 350.3 350.3 296.7 350.3 0.00 59 184 12418 -54.3 -80.3 3 26.0 -54.6 235 50 355.1 355.1 297.7 355.2 0.00 60 150 13730 -54.1 -84.1 1 30.0 -54.5 250 50 376.9 376.9 301.8 376.9 0.00 61 100 16280 -60.9 -86.9 2 26.0 -61.2 250 53 410.1 410.1 306.5 410.1 0.00 62 94 16666 -60.1 -87.1 2 27.0 -60.4 260 44 419.0 419.0 307.6 419.0 0.00 63 88 17077 -61.7 -87.7 2 26.0 -62.0 260 30 423.7 423.7 308.2 423.7 0.00 64 72 18325 -60.5 -88.5 1 28.0 -60.9 255 26 451.3 451.3 311.0 451.3 0.00 65 70 18500 -61.7 -88.7 2 27.0 -62.0 205 28 452.4 452.4 311.1 452.4 0.00 66 58 19656 -64.1 -90.1 2 26.0 -64.4 251 26 472.0 472.0 312.8 472.0 0.00 67 56 19872 -61.7 -88.7 2 27.0 -62.1 267 20 482.2 482.2 313.6 482.2 0.00 68 50 20570 -63.1 -89.1 2 26.0 -63.5 170 17 494.8 494.8 314.6 494.8 0.00 69 47 20953 -61.1 -89.1 1 28.0 -61.6 177 15 508.4 508.4 315.5 508.4 0.00 70 46 21086 -61.9 -88.9 2 27.0 -62.4 187 16 509.6 509.6 315.6 509.6 0.00 71 43 21507 -58.3 -88.3 1 30.0 -59.1 216 21 528.4 528.4 316.8 528.4 0.00 72 41 21807 -58.1 -88.1 1 30.0 -59.0 250 19 536.1 536.1 317.3 536.2 0.00 73 38 22285 -59.1 -88.1 1 29.0 -59.9 263 22 545.4 545.4 317.8 545.4 0.00 74 36 22626 -57.1 -88.1 1 31.0 -58.2 292 17 559.1 559.1 318.6 559.1 0.00 75 35 22804 -57.7 -87.7 1 30.0 -58.7 318 13 562.0 562.0 318.8 562.0 0.01 76 32 23370 -57.3 -87.3 1 30.0 -58.5 58 3 577.7 577.7 319.6 577.7 0.01 77 30 23780 -55.7 -86.7 1 31.0 -57.2 175 11 592.8 592.8 320.3 592.8 0.01 78 27 24454 -53.7 -85.7 1 32.0 -55.7 199 12 616.5 616.5 321.3 616.6 0.01 79 26 24696 -54.9 -85.9 1 31.0 -56.7 246 11 619.8 619.8 321.5 619.9 0.01 80 23 25480 -54.7 -86.7 1 32.0 -56.8 286 12 642.5 642.5 322.4 642.6 0.01 81 21 26064 -52.9 -84.9 1 32.0 -55.5 250 5 664.9 664.9 323.2 665.0 0.01 82 21 26064 -53.5 -85.5 1 32.0 -55.9 250 5 663.1 663.1 323.2 663.2 0.01 83 20 26380 -50.9 -84.9 1 34.0 -54.1 300 6 680.4 680.4 323.8 680.5 0.01 84 15 28270 -48.7 -83.7 1 35.0 -53.4 233 6 746.0 746.0 325.8 746.2 0.02 85 13 29223 -44.1 -82.1 1 38.0 -51.2 231 10 793.1 793.1 327.1 793.5 0.04 86 10 30990 -43.5 -81.5 1 38.0 -52.0 260 26 857.2 857.2 328.5 857.7 0.05 87 8.5 32085 -42.9 -81.9 1 39.0 -52.4 900.3 900.3 329.4 900.9 0.06 88 7.5 32941 -36.3 -79.3 0 43.0 -50.2 959.9 959.9 330.5 961.0 0.10 89 7.1 33320 -37.5 -79.5 0 42.0 -51.0 970.1 970.1 330.7 971.2 0.10 TRP 184 12418 -54.3 -80.3 3 26.0 -54.6 235 50 355.1 355.1 297.7 355.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5514.00 m Freezing level: 810.85 mb = 1856.69 m = 6091.44 ft Freezing level: 761.53 mb = 2357.12 m = 7733.24 ft Freezing level: 688.16 mb = 3174.43 m = 10414.66 ft Wetbulb zero: 810.66 mb = 1857.77 m = 6094.98 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 40.43 % Est. max temperature: 16.47 C = 61.65 F Sfc-Lift cond lev (LCL): 834.48 mb = 1624.76 m = 5330.51 ft T: 1.91 C 700-500 lapse rate: 7.49 C/km ThetaE index: 4.37 C Layer 764.0- 757.0 mb Conv cond level (CCL): 815.84 mb = 1806.73 m = 5927.51 ft Mean mixing ratio: 4.80 g/kg Conv temperature: 16.60 C = 61.89 F Cap Strength: 8.54 C Lifted Index: 8.14 C Risk: None Lifted Index @300 mb: 12.81 C Lifted Index @700 mb: 8.54 C Showalter Index: 7.85 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.70 C K Index: -6.90 Risk: None Sweat Index: 47.40 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.37 J/kg Max Up Vert Vel: 0.86 m/s Conv Inhibition (B-): 70600.59 J/kg Cap Strength: 8.56 C Lift Cond Lev (LCL): 818.90 mb = 1776.79 m = 5829.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 10 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 ---------------------------------------------------------- 0 999 146 300 10 8.7 -5.0 | 17 2 -0.5 -1.6 1 980 305 270 12 12.0 -0.0 | 220 4 2.9 3.4 2 944 610 275 14 13.9 -1.2 | 246 5 4.8 2.2 3 925 781 270 13 13.0 -0.0 | 229 5 3.9 3.4 4 910 914 275 10 10.0 -0.9 | 198 3 0.8 2.5 5 877 1219 280 11 10.8 -1.9 | 229 2 1.7 1.5 6 850 1476 265 10 10.0 0.9 | 191 4 0.8 4.3 7 845 1524 265 10 10.0 0.9 | 191 4 0.8 4.3 8 814 1829 280 13 12.8 -2.3 | 253 4 3.7 1.1 9 783 2134 245 6 5.4 2.5 | 148 7 -3.7 5.9 10 754 2438 300 14 12.1 -7.0 | 320 5 3.0 -3.6 11 726 2743 265 18 17.9 1.6 | 241 10 8.8 5.0 12 700 3037 255 15 14.5 3.9 | 216 9 5.3 7.3 13 699 3048 250 15 14.1 5.1 | 210 10 5.0 8.5 14 672 3353 275 16 15.9 -1.4 | 254 7 6.8 2.0 15 646 3658 250 16 15.0 5.5 | 214 11 5.9 8.9 16 597 4267 255 16 15.5 4.1 | 220 10 6.3 7.5 17 552 4877 265 12 12.0 1.0 | 212 5 2.8 4.4 18 531 5182 235 10 8.2 5.7 | 174 9 -0.9 9.1 19 500 5640 235 13 10.6 7.5 | 188 11 1.5 10.9 20 490 5791 225 12 8.5 8.5 | 177 12 -0.7 11.9 21 469 6096 230 12 9.2 7.7 | 180 11 0.1 11.1 22 450 6401 240 11 9.5 5.5 | 182 9 0.4 8.9 23 431 6706 255 11 10.6 2.8 | 193 6 1.5 6.3 24 414 7010 240 11 9.5 5.5 | 182 9 0.4 8.9 25 400 7250 250 13 12.2 4.4 | 201 8 3.1 7.8 26 396 7315 255 13 12.6 3.4 | 207 8 3.4 6.8 27 379 7620 240 12 10.4 6.0 | 188 9 1.3 9.4 28 362 7925 225 19 13.4 13.4 | 194 17 4.3 16.8 29 332 8534 225 39 27.6 27.6 | 211 36 18.4 31.0 30 303 9144 225 42 29.7 29.7 | 212 39 20.6 33.1 31 300 9220 235 40 32.8 22.9 | 222 35 23.6 26.3 32 264 10058 235 40 32.8 22.9 | 222 35 23.6 26.3 33 253 10363 250 46 43.2 15.7 | 241 39 34.1 19.1 34 250 10430 250 42 39.5 14.4 | 240 35 30.3 17.8 35 230 10973 225 46 32.5 32.5 | 213 43 23.4 35.9 36 209 11582 245 44 39.9 18.6 | 234 38 30.7 22.0 37 200 11880 245 45 40.8 19.0 | 235 39 31.6 22.4 38 200 11887 245 44 39.9 18.6 | 234 38 30.7 22.0 39 184 12418 235 50 41.0 28.7 | 225 45 31.8 32.1 40 182 12497 230 48 36.8 30.9 | 219 44 27.6 34.3 41 158 13411 245 56 50.8 23.7 | 237 50 41.6 27.1 42 150 13730 250 50 47.0 17.1 | 242 43 37.8 20.5 43 118 15240 245 51 46.2 21.6 | 236 45 37.1 25.0 44 107 15850 235 53 43.4 30.4 | 225 48 34.3 33.8 45 100 16280 250 53 49.8 18.1 | 242 46 40.7 21.5 46 97 16459 250 54 50.7 18.5 | 242 47 41.6 21.9 47 93 16764 265 39 38.9 3.4 | 257 30 29.7 6.8 48 88 17069 260 30 29.5 5.2 | 247 22 20.4 8.6 49 84 17374 250 33 31.0 11.3 | 236 26 21.9 14.7 50 80 17678 260 40 39.4 6.9 | 251 32 30.3 10.3 51 76 17983 245 29 26.3 12.3 | 228 23 17.1 15.7 52 72 18288 265 25 24.9 2.2 | 251 17 15.8 5.6 53 70 18500 205 28 11.8 25.4 | 185 29 2.7 28.8 54 69 18593 210 21 10.5 18.2 | 184 22 1.4 21.6 55 66 18898 205 28 11.8 25.4 | 185 29 2.7 28.8 56 62 19202 225 34 24.0 24.0 | 208 31 14.9 27.4 57 57 19812 260 23 22.7 4.0 | 241 15 13.5 7.4 58 54 20117 295 10 9.1 -4.2 | 5 1 -0.1 -0.8 59 51 20422 265 1 1.0 0.1 | 113 9 -8.1 3.5 60 50 20570 170 17 -3.0 16.7 | 149 23 -12.1 20.1 61 49 20726 150 15 -7.5 13.0 | 135 23 -16.6 16.4 62 46 21031 185 15 1.3 14.9 | 157 20 -7.8 18.3 63 44 21336 195 22 5.7 21.3 | 172 25 -3.4 24.7 64 40 21946 265 18 17.9 1.6 | 241 10 8.8 5.0 65 38 22250 260 22 21.7 3.8 | 240 14 12.5 7.2 66 36 22555 280 19 18.7 -3.3 | 269 10 9.6 0.1 67 35 22860 325 12 6.9 -9.8 | 19 7 -2.3 -6.4 68 32 23470 75 1 -1.0 -0.3 | 107 11 -10.1 3.1 69 30 23774 170 10 -1.7 9.8 | 141 17 -10.9 13.3 70 30 23780 175 11 -1.0 11.0 | 145 18 -10.1 14.4 71 29 24079 170 12 -2.1 11.8 | 144 19 -11.2 15.2 72 27 24384 185 12 1.0 12.0 | 152 17 -8.1 15.4 73 26 24689 245 11 10.0 4.6 | 186 8 0.8 8.1 74 25 24994 265 16 15.9 1.4 | 235 8 6.8 4.8 75 24 25298 265 14 13.9 1.2 | 226 7 4.8 4.6 76 23 25603 300 11 9.5 -5.5 | 350 2 0.4 -2.1 77 22 25908 305 10 8.2 -5.7 | 22 3 -0.9 -2.3 78 21 26213 200 1 0.3 0.9 | 116 10 -8.8 4.3 79 20 26380 300 6 5.2 -3.0 | 96 4 -3.9 0.4 80 18 27127 215 10 5.7 8.2 | 164 12 -3.4 11.6 81 17 27432 255 11 10.6 2.8 | 193 6 1.5 6.3 82 16 27737 275 12 12.0 -1.0 | 230 4 2.8 2.4 83 16 28042 245 16 14.5 6.8 | 208 11 5.4 10.2 84 15 28346 230 4 3.1 2.6 | 135 9 -6.1 6.0 85 14 28651 255 13 12.6 3.4 | 207 8 3.4 6.8 86 14 28956 195 10 2.6 9.7 | 153 15 -6.6 13.1 87 12 29566 270 11 11.0 -0.0 | 209 4 1.9 3.4 88 12 29870 235 12 9.8 6.9 | 184 10 0.7 10.3 89 11 30175 245 18 16.3 7.6 | 213 13 7.2 11.0 90 10 30990 260 26 25.6 4.5 | 244 18 16.5 7.9 Wind Parameters Mean winds (0-6000m): 260.4 at 13.0 knts Storm direction: 290.4 at 9.8 knts Shear (0-3000m) pos: 1.6 neg: 2.3 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -155.1 deg Storm rel helicity (0-3000m) pos: 18.2 neg: -41.9 tot: -23.8 m^2/s^2 ave: -7.9 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 10.0 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 1.58 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 ------------------------------------------------------------------------------- 500 276 12 236 4| 0.0 6.7 6.7| 1.9 -1.3 0.6 1.3 -0.46| 9.2 -4.2 1000 275 12 230 4| 1.6 3.3 5.0| 2.4 -4.5 -2.0 -2.0 -0.44| 7.2 -3.2 1500 274 11 222 3| 1.1 2.7 3.8| 3.9 -5.8 -1.9 -1.2 -0.35| 6.2 -2.2 2000 274 11 217 3| 0.8 2.1 2.9| 5.9 -14.6 -8.7 -4.4 -0.42| 7.3 -3.0 2500 276 11 226 3| 1.9 1.7 3.6| 14.1 -23.5 -9.4 -3.8 -0.15| 9.9 -1.5 3000 273 12 228 4| 1.6 2.3 3.8| 18.2 -41.9 -23.8 -7.9 -0.22| 10.0 -2.2 4000 268 13 227 6| 1.3 2.0 3.2| 28.8 -54.9 -26.0 -6.5 -0.20| 9.1 -1.8 5000 266 13 223 6| 1.0 2.0 3.0| 29.4 -64.0 -34.6 -6.9 -0.23| 8.3 -1.9 6000 260 13 213 7| 0.9 1.8 2.7| 36.6 -70.4 -33.8 -5.6 -0.21| 7.5 -1.6 Wrote GIF file: /home/apache/climate/data/raob//KNKX/skewt/KNKX.skewt.20250418.00.gif