UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 24 APR 25 Station: KOAK WMO ident: 72493 Latitude: 37.73 Longitude: -122.22 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1015 3 12.6 7.6 72 5.0 9.9 255 8 284.5 285.7 282.4 302.5 6.46 1 1000 130 10.8 6.9 77 3.9 8.8 270 9 284.0 285.0 281.9 301.3 6.24 2 958 486 7.2 6.4 95 0.8 6.8 254 11 283.8 284.9 281.9 301.3 6.30 3 948 573 6.4 6.2 99 0.2 6.3 251 11 283.9 284.9 281.9 301.3 6.28 4 925 774 4.8 4.8 100 0.0 4.8 265 9 284.2 285.2 281.5 300.5 5.83 5 915 863 4.4 4.2 99 0.2 4.3 265 10 284.7 285.7 281.5 300.5 5.65 6 913 880 5.4 -1.6 61 7.0 2.3 265 10 285.9 286.5 279.8 296.5 3.72 7 910 907 6.6 -1.4 57 8.0 3.0 265 10 287.4 288.1 280.6 298.3 3.79 8 906 944 9.2 -2.8 43 12.0 3.8 260 9 290.4 291.0 281.5 300.5 3.43 9 891 1082 10.6 -10.4 22 21.0 2.4 237 6 293.3 293.6 281.0 299.2 1.94 10 890 1092 10.8 -10.2 22 21.0 2.5 236 6 293.6 293.9 281.1 299.6 1.97 11 884 1148 10.2 -4.8 34 15.0 3.6 227 5 293.5 294.1 282.4 302.5 3.02 12 876 1223 9.8 -4.2 37 14.0 3.5 217 3 293.9 294.4 282.7 303.4 3.19 13 873 1252 9.8 -5.2 34 15.0 3.2 229 4 294.2 294.7 282.6 303.0 2.97 14 866 1319 9.4 -7.6 29 17.0 2.4 256 5 294.4 294.9 282.1 301.9 2.49 15 850 1473 8.2 -1.8 49 10.0 3.5 320 8 294.7 295.4 284.0 306.4 3.94 16 849 1483 8.2 -1.8 49 10.0 3.5 320 8 294.8 295.5 284.0 306.5 3.94 17 837 1600 8.0 -3.0 46 11.0 2.9 324 10 295.8 296.5 284.1 306.7 3.66 18 832 1649 7.8 -6.2 36 14.0 1.8 326 10 296.1 296.6 283.3 304.8 2.89 19 831 1659 7.8 -8.2 31 16.0 1.3 327 10 296.2 296.7 282.9 303.7 2.48 20 819 1779 6.8 -10.2 29 17.0 0.2 332 9 296.4 296.8 282.5 303.0 2.15 21 815 1819 6.6 -10.4 28 17.0 0.0 334 9 296.6 297.0 282.6 303.1 2.12 22 801 1961 5.4 -10.6 30 16.0 -0.7 341 9 296.8 297.2 282.7 303.3 2.13 23 782 2156 5.2 -22.8 11 28.0 -3.0 348 8 298.6 298.8 281.8 301.2 0.78 24 768 2304 4.4 -32.6 5 37.0 -4.3 328 11 299.3 299.4 281.5 300.4 0.32 25 766 2325 4.4 -33.6 4 38.0 -4.4 325 12 299.5 299.6 281.5 300.5 0.29 26 759 2400 4.8 -41.2 2 46.0 -4.5 316 13 300.8 300.8 281.8 301.2 0.14 27 700 3054 1.0 -47.0 1 48.0 -7.2 300 12 303.6 303.6 283.0 303.9 0.08 28 626 3940 -5.1 -42.1 4 37.0 -11.5 294 16 306.5 306.5 284.2 307.0 0.15 29 509 5527 -17.3 -53.3 3 36.0 -20.9 269 23 310.4 310.4 285.5 310.6 0.05 30 500 5660 -18.1 -53.1 3 35.0 -21.5 265 23 311.0 311.0 285.7 311.2 0.06 31 472 6088 -21.1 -41.1 15 20.0 -23.7 270 27 312.4 312.5 286.5 313.2 0.22 32 464 6215 -22.1 -37.1 24 15.0 -24.2 270 27 312.7 312.8 286.7 313.9 0.34 33 459 6294 -22.7 -38.7 22 16.0 -24.8 269 28 312.9 313.0 286.7 314.0 0.29 34 453 6391 -23.5 -35.5 32 12.0 -25.2 269 28 313.1 313.2 286.9 314.6 0.41 35 450 6439 -23.7 -31.7 48 8.0 -25.0 269 28 313.4 313.6 287.3 315.5 0.60 36 446 6505 -24.3 -32.3 48 8.0 -25.6 268 29 313.5 313.6 287.2 315.5 0.57 37 443 6554 -24.5 -33.5 43 9.0 -25.9 268 29 313.8 313.9 287.3 315.6 0.51 38 417 6992 -27.7 -35.7 46 8.0 -28.7 266 31 315.2 315.3 287.7 316.8 0.44 39 400 7290 -30.1 -36.1 56 6.0 -30.9 265 32 315.9 316.0 287.9 317.4 0.44 40 396 7361 -30.5 -36.5 56 6.0 -31.2 265 32 316.3 316.3 288.0 317.8 0.42 41 391 7451 -31.3 -38.3 50 7.0 -32.1 265 33 316.4 316.4 288.0 317.7 0.36 42 381 7634 -32.9 -39.9 50 7.0 -33.6 265 34 316.6 316.7 288.0 317.7 0.31 43 374 7764 -33.7 -38.3 63 4.6 -34.2 265 34 317.2 317.3 288.3 318.6 0.37 44 371 7821 -34.1 -40.1 55 6.0 -34.7 265 34 317.4 317.5 288.3 318.6 0.31 45 358 8069 -36.1 -40.4 64 4.3 -36.5 265 35 318.0 318.1 288.5 319.2 0.32 46 341 8405 -38.5 -44.5 53 6.0 -38.9 265 35 319.2 319.2 288.8 320.0 0.21 47 335 8526 -39.9 -44.2 63 4.3 -40.2 265 35 318.9 318.9 288.6 319.7 0.22 48 315 8944 -43.1 -47.0 65 3.9 -43.3 265 36 320.1 320.1 289.0 320.8 0.18 49 308 9095 -44.5 -49.1 60 4.6 -44.7 265 36 320.2 320.2 289.0 320.8 0.14 50 300 9270 -46.1 -49.7 67 3.6 -46.3 260 38 320.4 320.4 289.0 320.9 0.14 51 297 9337 -46.9 -50.3 68 3.4 -47.0 259 38 320.2 320.2 288.9 320.7 0.13 52 293 9426 -47.5 -53.5 50 6.0 -47.7 258 38 320.6 320.6 289.0 320.9 0.09 53 288 9539 -48.5 -54.5 50 6.0 -48.7 257 37 320.7 320.7 289.0 321.0 0.08 54 277 9793 -50.9 -55.1 61 4.2 -51.0 253 37 320.8 320.9 289.1 321.1 0.08 55 273 9888 -51.7 -58.7 43 7.0 -51.9 252 36 321.0 321.0 289.1 321.2 0.05 56 269 9983 -52.7 -57.5 56 4.8 -52.8 251 36 320.9 320.9 289.1 321.2 0.06 57 250 10450 -56.9 -63.9 41 7.0 -57.0 255 36 321.5 321.5 289.2 321.6 0.03 58 220 11253 -61.3 -67.3 45 6.0 -61.4 260 33 326.7 326.7 290.8 326.7 0.02 59 200 11850 -58.3 -76.3 8 18.0 -58.5 255 44 340.4 340.4 294.4 340.5 0.01 60 150 13670 -57.1 -84.1 2 27.0 -57.4 240 42 371.7 371.7 300.9 371.7 0.00 61 100 16230 -57.1 -86.1 1 29.0 -57.5 245 30 417.4 417.4 307.4 417.4 0.00 62 70 18480 -57.5 -86.5 1 29.0 -58.0 275 24 461.4 461.4 311.9 461.4 0.00 63 66 18851 -58.5 -86.5 2 28.0 -59.0 275 22 467.0 467.0 312.4 467.0 0.00 64 54 20122 -55.9 -85.9 1 30.0 -56.8 241 21 500.6 500.6 315.0 500.6 0.00 65 50 20610 -57.9 -86.9 1 29.0 -58.6 240 12 507.0 507.0 315.4 507.1 0.00 66 44 21412 -59.3 -87.3 1 28.0 -60.0 257 16 522.5 522.5 316.5 522.5 0.00 67 42 21705 -56.9 -86.9 1 30.0 -57.9 271 16 535.4 535.4 317.2 535.5 0.00 68 40 22013 -58.7 -87.7 1 29.0 -59.5 268 15 538.4 538.4 317.4 538.5 0.00 69 38 22336 -56.9 -86.9 1 30.0 -57.9 326 7 551.0 551.0 318.2 551.0 0.01 70 36 22677 -58.7 -87.7 1 29.0 -59.6 349 2 554.9 554.9 318.3 554.9 0.00 71 35 22855 -56.1 -87.1 1 31.0 -57.3 326 3 566.2 566.2 319.0 566.2 0.01 72 34 23038 -58.3 -87.3 1 29.0 -59.3 303 5 565.1 565.1 318.9 565.1 0.01 73 33 23226 -56.3 -87.3 1 31.0 -57.6 279 6 575.3 575.3 319.4 575.3 0.01 74 32 23421 -57.5 -86.5 1 29.0 -58.6 255 7 577.1 577.1 319.5 577.2 0.01 75 30 23830 -55.9 -86.9 1 31.0 -57.3 235 20 592.2 592.2 320.3 592.3 0.01 76 28 24272 -54.1 -85.1 1 31.0 -55.9 242 17 609.1 609.1 321.0 609.1 0.01 77 25 24998 -55.1 -86.1 1 31.0 -56.9 280 4 626.2 626.2 321.7 626.3 0.01 78 23 25536 -51.3 -84.3 1 33.0 -54.1 315 15 652.5 652.5 322.8 652.6 0.01 79 22 25824 -53.1 -85.1 1 32.0 -55.6 2 15 655.5 655.5 322.9 655.6 0.01 80 20 26440 -52.7 -84.7 1 32.0 -55.5 35 7 674.9 674.9 323.6 675.0 0.02 81 19 26772 -52.9 -84.9 1 32.0 -55.7 4 11 684.2 684.2 323.9 684.3 0.02 82 17 27498 -48.9 -82.9 1 34.0 -53.2 262 5 719.2 719.2 325.0 719.4 0.02 83 17 27498 -49.5 -83.5 1 34.0 -53.5 262 5 717.2 717.2 325.0 717.4 0.02 84 11 30386 -44.7 -80.7 1 36.0 -52.1 220 13 829.8 829.8 328.0 830.3 0.05 85 10 31030 -41.3 -79.3 1 38.0 -50.8 215 18 865.4 865.4 328.7 866.1 0.07 86 9.6 31306 -42.7 -79.7 1 37.0 -51.7 870.3 870.3 328.8 871.0 0.07 87 9.0 31745 -39.3 -79.3 1 40.0 -50.5 899.5 899.6 329.4 900.4 0.08 88 7.5 32990 -40.7 -79.7 1 39.0 -52.0 942.0 942.1 330.2 943.1 0.09 TRP 220 11253 -61.3 -67.3 45 6.0 -61.4 260 33 326.7 326.7 290.8 326.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5530.00 m Freezing level: 687.87 mb = 3199.31 m = 10496.30 ft Wetbulb zero: 814.64 mb = 1822.56 m = 5979.47 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 22.59 % Est. max temperature: 22.54 C = 72.58 F Sfc-Lift cond lev (LCL): 941.22 mb = 631.44 m = 2071.63 ft T: 5.93 C 700-500 lapse rate: 7.33 C/km ThetaE index: 3.97 C Layer 913.0- 910.0 mb Conv cond level (CCL): 939.91 mb = 642.84 m = 2109.04 ft Mean mixing ratio: 6.18 g/kg Conv temperature: 12.04 C = 53.68 F Cap Strength: 9.77 C Lifted Index: 10.01 C Risk: None Lifted Index @300 mb: 13.70 C Lifted Index @700 mb: 9.77 C Showalter Index: 6.55 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 16.30 C K Index: -23.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 1.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.83 J/kg Max Up Vert Vel: 2.77 m/s Conv Inhibition (B-): 0.96 J/kg Cap Strength: 9.77 C Lift Cond Lev (LCL): 939.29 mb = 648.32 m = 2127.00 ft Lev Free Conv (LFC): 934.29 mb = 692.08 m = 2270.59 ft Equ Level (EL): 914.29 mb = 868.94 m = 2850.81 ft B at Equ Level: -0.12 J/kg Max Parcel Lev (MPL): 914.29 mb = 868.94 m = 2850.81 ft Wind level data Storm motion: 317 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 1015 3 255 8 7.7 2.1 | 182 10 0.4 10.0 1 1000 130 270 9 9.0 -0.0 | 192 8 1.6 7.9 2 979 305 260 12 11.8 2.1 | 204 11 4.4 10.0 3 944 610 250 11 10.3 3.8 | 194 12 3.0 11.7 4 925 774 265 9 9.0 0.8 | 190 9 1.6 8.7 5 909 914 265 10 10.0 0.9 | 196 9 2.6 8.8 6 877 1219 215 3 1.7 2.5 | 151 12 -5.6 10.4 7 850 1473 320 8 5.1 -6.1 | 129 3 -2.2 1.8 8 845 1524 320 10 6.4 -7.7 | 107 1 -0.9 0.3 9 814 1829 335 9 3.8 -8.2 | 87 4 -3.6 -0.2 10 784 2134 350 8 1.4 -7.9 | 91 6 -6.0 0.1 11 755 2438 310 14 10.7 -9.0 | 288 4 3.4 -1.1 12 727 2743 315 14 9.9 -9.9 | 308 3 2.5 -2.0 13 701 3048 295 15 13.6 -6.3 | 256 6 6.2 1.6 14 700 3054 300 12 10.4 -6.0 | 237 4 3.0 1.9 15 674 3353 310 10 7.7 -6.4 | 191 2 0.3 1.5 16 648 3658 300 13 11.3 -6.5 | 250 4 3.9 1.4 17 599 4267 285 21 20.3 -5.4 | 259 13 12.9 2.5 18 575 4572 290 20 18.8 -6.8 | 265 11 11.4 1.1 19 553 4877 285 21 20.3 -5.4 | 259 13 12.9 2.5 20 500 5660 265 23 22.9 2.0 | 237 18 15.5 9.9 21 491 5791 265 22 21.9 1.9 | 236 18 14.5 9.9 22 471 6096 270 27 27.0 -0.0 | 248 21 19.6 7.9 23 400 7290 265 32 31.9 2.8 | 246 27 24.5 10.7 24 381 7620 265 34 33.9 3.0 | 248 29 26.5 10.9 25 306 9144 265 36 35.9 3.1 | 249 31 28.5 11.1 26 300 9270 260 38 37.4 6.6 | 244 33 30.1 14.5 27 266 10058 250 36 33.8 12.3 | 233 33 26.5 20.3 28 250 10450 255 36 34.8 9.3 | 238 32 27.4 17.3 29 220 11253 260 33 32.5 5.7 | 241 29 25.1 13.7 30 219 11278 255 40 38.6 10.4 | 240 36 31.3 18.3 31 209 11582 260 33 32.5 5.7 | 241 29 25.1 13.7 32 200 11850 255 44 42.5 11.4 | 241 40 35.1 19.3 33 199 11887 245 40 36.3 16.9 | 229 38 28.9 24.8 34 189 12192 265 42 41.8 3.7 | 251 36 34.5 11.6 35 172 12802 260 50 49.2 8.7 | 248 45 41.9 16.6 36 164 13106 270 42 42.0 -0.0 | 257 36 34.6 7.9 37 150 13670 240 42 36.4 21.0 | 225 41 29.0 28.9 38 149 13716 250 35 32.9 12.0 | 232 32 25.5 19.9 39 142 14021 240 43 37.2 21.5 | 225 42 29.9 29.4 40 135 14326 255 52 50.2 13.5 | 243 48 42.9 21.4 41 117 15240 255 42 40.6 10.9 | 240 38 33.2 18.8 42 101 16154 260 27 26.6 4.7 | 237 23 19.2 12.6 43 100 16230 245 30 27.2 12.7 | 224 29 19.8 20.6 44 96 16459 245 30 27.2 12.7 | 224 29 19.8 20.6 45 88 17069 235 35 28.7 20.1 | 217 35 21.3 28.0 46 79 17678 250 39 36.6 13.3 | 234 36 29.3 21.3 47 72 18288 275 29 28.9 -2.5 | 256 22 21.5 5.4 48 70 18480 275 24 23.9 -2.1 | 251 18 16.5 5.8 49 66 18898 275 22 21.9 -1.9 | 248 16 14.5 6.0 50 62 19202 240 21 18.2 10.5 | 210 21 10.8 18.4 51 60 19507 245 31 28.1 13.1 | 225 30 20.7 21.0 52 57 19812 255 25 24.1 6.5 | 229 22 16.8 14.4 53 54 20117 240 21 18.2 10.5 | 210 21 10.8 18.4 54 52 20422 270 11 11.0 -0.0 | 205 9 3.6 7.9 55 50 20610 240 12 10.4 6.0 | 192 14 3.0 13.9 56 49 20726 265 9 9.0 0.8 | 190 9 1.6 8.7 57 47 21031 240 12 10.4 6.0 | 192 14 3.0 13.9 58 45 21336 250 16 15.0 5.5 | 210 15 7.7 13.4 59 42 21641 275 16 15.9 -1.4 | 233 11 8.6 6.5 60 40 21946 255 17 16.4 4.4 | 216 15 9.1 12.3 61 37 22555 5 1 -0.1 -1.0 | 133 10 -7.5 6.9 62 30 23774 210 10 5.0 8.7 | 172 17 -2.4 16.6 63 30 23830 235 20 16.4 11.5 | 205 21 9.0 19.4 64 29 24079 220 18 11.6 13.8 | 191 22 4.2 21.7 65 28 24384 255 17 16.4 4.4 | 216 15 9.1 12.3 66 25 24994 280 4 3.9 -0.7 | 155 8 -3.4 7.2 67 24 25298 275 10 10.0 -0.9 | 200 8 2.6 7.1 68 23 25603 325 16 9.2 -13.1 | 341 5 1.8 -5.2 69 22 25908 15 15 -3.9 -14.5 | 60 13 -11.3 -6.5 70 21 26213 80 1 -1.0 -0.2 | 133 11 -8.4 7.8 71 20 26440 35 7 -4.0 -5.7 | 101 12 -11.4 2.2 72 19 26822 360 11 -0.0 -11.0 | 67 8 -7.4 -3.1 73 17 27432 275 4 4.0 -0.3 | 156 8 -3.4 7.6 74 15 28346 130 10 -7.7 6.4 | 134 21 -15.0 14.4 75 14 28651 235 1 0.8 0.6 | 142 11 -6.5 8.5 76 10 31030 215 18 10.3 14.7 | 187 23 3.0 22.7 Wind Parameters Mean winds (0-6000m): 287.1 at 14.4 knts Storm direction: 317.1 at 10.8 knts Shear (0-3000m) pos: 2.0 neg: 1.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 78.3 deg Storm rel helicity (0-3000m) pos: 17.7 neg: -41.0 tot: -23.3 m^2/s^2 ave: -7.8 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 8.9 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.61 Bulk Shear: 6.27 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 ------------------------------------------------------------------------------- 500 261 10 197 10| 0.0 3.5 3.5| 8.7 -3.8 4.9 9.8 0.33| 7.1 2.3 1000 259 10 195 10| 0.0 0.3 0.3| 10.3 -13.9 -3.6 -3.6 -0.05| 7.5 -0.4 1500 263 9 188 9| 3.4 0.2 3.6| 16.7 -32.0 -15.3 -10.2 -0.21| 11.0 -2.3 2000 280 9 192 7| 3.1 0.2 3.2| 16.8 -32.5 -15.6 -7.8 -0.21| 9.3 -2.0 2500 292 9 195 5| 2.4 1.6 4.1| 17.1 -37.3 -20.2 -8.1 -0.33| 9.7 -3.1 3000 297 10 205 4| 2.0 1.8 3.9| 17.7 -41.0 -23.3 -7.8 -0.34| 8.9 -3.1 4000 298 11 216 4| 1.8 2.3 4.0| 20.4 -43.8 -23.4 -5.8 -0.28| 8.4 -2.3 5000 294 13 237 5| 1.4 2.3 3.7| 23.4 -51.0 -27.6 -5.5 -0.26| 7.6 -2.0 6000 287 14 240 7| 1.2 2.4 3.6| 36.8 -73.9 -37.1 -6.2 -0.26| 7.3 -1.9 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250424.00.gif