UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 26 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 1014 3 14.8 4.8 51 10.0 9.6 305 6 286.8 287.7 282.1 301.8 5.32 1 1009 45 12.6 3.6 54 9.0 8.1 309 6 285.0 285.9 280.8 298.8 4.91 2 1006 71 13.0 4.0 54 9.0 8.4 311 6 285.7 286.5 281.3 299.9 5.06 3 1000 122 12.4 3.4 54 9.0 7.9 315 6 285.5 286.4 281.0 299.3 4.88 4 987 231 10.6 3.6 62 7.0 7.1 303 7 284.8 285.7 280.8 298.9 5.02 5 925 767 5.4 2.3 80 3.1 3.9 270 4 284.8 285.7 280.7 298.6 4.88 6 879 1182 1.6 1.6 100 0.0 1.6 232 8 285.1 285.9 280.8 298.8 4.89 7 850 1452 0.0 0.0 100 0.0 0.0 230 10 286.1 286.9 280.8 298.9 4.50 8 826 1681 -1.5 -1.5 100 0.0 -1.5 215 11 286.9 287.6 280.8 298.8 4.15 9 823 1710 -1.5 -3.0 89 1.5 -2.1 212 11 287.2 287.9 280.4 297.9 3.72 10 816 1778 -1.7 -4.2 83 2.5 -2.7 205 11 287.7 288.3 280.3 297.6 3.43 11 790 2035 -2.9 -4.7 87 1.8 -3.6 200 12 289.1 289.7 280.9 299.0 3.41 12 783 2105 -3.5 -6.6 79 3.1 -4.7 200 12 289.2 289.7 280.4 297.9 2.98 13 777 2166 -3.9 -6.2 84 2.3 -4.8 200 12 289.4 289.9 280.7 298.4 3.09 14 766 2279 -4.5 -7.7 78 3.2 -5.7 200 10 289.9 290.4 280.5 298.2 2.79 15 763 2310 -4.3 -11.3 58 7.0 -6.7 200 9 290.5 290.8 279.9 296.8 2.11 16 755 2393 -4.3 -11.3 58 7.0 -6.7 200 8 291.4 291.7 280.3 297.7 2.13 17 752 2424 -3.7 -16.7 36 13.0 -7.5 200 7 292.3 292.6 279.8 296.6 1.37 18 750 2445 -3.3 -17.3 33 14.0 -7.4 200 7 293.0 293.2 280.0 297.0 1.31 19 749 2456 -3.3 -16.3 36 13.0 -7.2 200 7 293.1 293.4 280.2 297.5 1.43 20 740 2551 -3.9 -16.9 36 13.0 -7.8 202 9 293.5 293.7 280.3 297.7 1.37 21 734 2616 -4.1 -13.1 50 9.0 -7.1 203 10 293.9 294.3 281.2 299.7 1.90 22 721 2756 -5.1 -12.1 58 7.0 -7.5 205 13 294.3 294.7 281.6 300.7 2.09 23 716 2811 -5.3 -12.3 58 7.0 -7.7 202 13 294.7 295.1 281.8 301.0 2.07 24 713 2844 -5.5 -11.5 63 6.0 -7.5 201 13 294.8 295.2 282.0 301.6 2.22 25 700 2988 -6.5 -10.0 76 3.5 -7.7 195 13 295.3 295.7 282.6 303.0 2.55 26 698 3010 -6.7 -10.1 77 3.4 -7.9 191 13 295.3 295.8 282.6 303.0 2.54 27 693 3066 -7.1 -11.5 71 4.4 -8.6 185 13 295.5 295.9 282.4 302.4 2.29 28 691 3089 -7.3 -10.7 77 3.4 -8.5 185 14 295.5 295.9 282.5 302.9 2.45 29 685 3157 -7.9 -11.3 77 3.4 -9.1 184 14 295.6 296.0 282.5 302.7 2.35 30 680 3214 -8.3 -13.1 68 4.8 -9.8 184 15 295.7 296.1 282.2 302.0 2.05 31 676 3260 -8.7 -11.3 81 2.6 -9.6 183 16 295.8 296.2 282.6 303.0 2.38 32 658 3468 -10.5 -13.1 81 2.6 -11.3 182 18 296.0 296.4 282.4 302.5 2.12 33 657 3480 -10.5 -13.5 79 3.0 -11.5 182 19 296.2 296.5 282.4 302.5 2.05 34 646 3610 -10.9 -11.7 94 0.8 -11.2 180 20 297.2 297.6 283.2 304.5 2.41 35 643 3646 -10.9 -13.4 82 2.5 -11.7 180 21 297.6 297.9 283.0 304.1 2.11 36 638 3706 -11.1 -14.6 75 3.5 -12.2 180 21 298.0 298.3 283.0 304.0 1.93 37 625 3864 -11.9 -19.9 51 8.0 -14.0 180 22 298.8 299.1 282.5 302.8 1.26 38 620 3925 -12.5 -14.7 84 2.2 -13.2 180 22 298.8 299.2 283.4 304.9 1.97 39 608 4074 -13.3 -14.5 91 1.2 -13.7 180 23 299.6 300.0 283.8 305.9 2.04 40 603 4137 -13.3 -16.8 75 3.5 -14.3 180 23 300.3 300.6 283.7 305.6 1.70 41 601 4162 -13.5 -16.8 76 3.3 -14.5 180 23 300.4 300.7 283.7 305.7 1.71 42 596 4226 -13.9 -16.5 81 2.6 -14.6 180 24 300.6 300.9 283.8 306.1 1.76 43 582 4406 -15.1 -18.3 76 3.2 -16.0 178 25 301.3 301.5 283.8 306.2 1.55 44 578 4458 -15.3 -20.3 66 5.0 -16.6 177 25 301.6 301.9 283.7 305.8 1.32 45 572 4537 -15.9 -21.9 60 6.0 -17.3 176 26 301.8 302.0 283.6 305.5 1.16 46 567 4603 -16.3 -18.5 83 2.2 -16.9 175 27 302.1 302.4 284.2 307.1 1.57 47 563 4657 -16.7 -19.5 79 2.8 -17.4 174 27 302.2 302.5 284.1 306.9 1.45 48 561 4683 -16.7 -18.5 86 1.8 -17.1 173 27 302.6 302.8 284.4 307.6 1.58 49 556 4751 -16.9 -19.1 83 2.2 -17.5 172 28 303.1 303.4 284.5 307.9 1.52 50 554 4778 -16.9 -21.4 68 4.5 -18.0 172 28 303.4 303.6 284.4 307.4 1.25 51 552 4805 -17.1 -22.1 65 5.0 -18.3 171 28 303.5 303.7 284.3 307.3 1.18 52 536 5025 -18.9 -21.6 79 2.7 -19.6 168 29 303.9 304.1 284.5 308.0 1.27 53 509 5408 -21.1 -27.1 58 6.0 -22.2 161 30 305.7 305.9 284.7 308.5 0.81 54 500 5540 -22.1 -29.1 53 7.0 -23.3 160 30 306.1 306.2 284.7 308.4 0.69 55 400 7150 -32.3 -38.3 55 6.0 -32.9 185 34 313.0 313.1 286.8 314.3 0.35 56 300 9120 -46.3 -61.3 17 15.0 -46.7 205 36 320.1 320.1 288.8 320.2 0.03 57 250 10310 -53.1 -66.1 19 13.0 -53.3 210 43 327.1 327.1 290.9 327.2 0.02 58 200 11750 -51.3 -80.3 2 29.0 -51.7 235 32 351.5 351.5 297.0 351.5 0.00 59 150 13610 -53.3 -83.3 1 30.0 -53.8 240 26 378.2 378.2 301.9 378.2 0.00 60 100 16220 -54.5 -84.5 1 30.0 -55.1 230 17 422.4 422.4 308.0 422.4 0.00 61 82 17482 -56.5 -86.5 1 30.0 -57.1 231 20 443.0 443.0 310.2 443.0 0.00 62 77 17883 -54.7 -85.7 1 31.0 -55.4 228 20 454.8 454.8 311.3 454.8 0.00 63 70 18490 -55.7 -85.7 1 30.0 -56.4 220 19 465.2 465.2 312.3 465.2 0.00 64 61 19365 -56.7 -86.7 1 30.0 -57.4 213 24 481.7 481.7 313.6 481.7 0.00 65 55 20024 -55.5 -86.5 1 31.0 -56.4 274 17 498.9 498.9 314.9 498.9 0.00 66 50 20630 -56.7 -86.7 1 30.0 -57.5 270 15 509.9 509.9 315.7 509.9 0.00 67 49 20758 -57.3 -87.3 1 30.0 -58.1 256 12 511.4 511.4 315.7 511.4 0.00 68 46 21157 -55.9 -86.9 1 31.0 -56.9 266 11 524.1 524.1 316.5 524.1 0.00 69 39 22203 -56.9 -86.9 1 30.0 -57.9 255 2 546.9 546.9 317.9 546.9 0.01 70 33 23263 -54.9 -85.9 1 31.0 -56.4 218 3 579.0 579.0 319.6 579.0 0.01 71 30 23870 -55.9 -86.9 1 31.0 -57.3 185 5 592.2 592.2 320.3 592.3 0.01 72 29 24086 -56.5 -86.5 1 30.0 -57.9 183 5 596.4 596.4 320.5 596.4 0.01 73 25 25042 -51.3 -84.3 1 33.0 -53.9 15 1 637.2 637.2 322.2 637.3 0.01 74 23 25583 -53.7 -85.7 1 32.0 -55.9 66 2 645.5 645.5 322.5 645.6 0.01 75 21 26172 -51.1 -84.1 1 33.0 -54.2 121 3 670.3 670.3 323.4 670.5 0.02 76 20 26490 -51.5 -84.5 1 33.0 -54.5 150 3 678.5 678.5 323.7 678.7 0.02 77 19 26823 -51.5 -84.5 1 33.0 -54.6 134 10 688.6 688.6 324.1 688.7 0.02 78 19 26823 -49.9 -83.9 1 34.0 -53.5 134 10 693.5 693.5 324.2 693.7 0.02 79 18 27175 -50.7 -84.7 1 34.0 -54.2 93 6 701.8 701.8 324.5 701.9 0.02 80 11 30440 -42.7 -80.7 1 38.0 -51.1 282 9 837.0 837.1 328.1 837.5 0.05 81 10 31080 -44.7 -81.7 1 37.0 -52.5 260 9 852.7 852.7 328.5 853.2 0.05 82 9.1 31714 -43.3 -81.3 1 38.0 -52.2 260 11 881.4 881.4 329.1 882.0 0.06 83 8.4 32256 -40.9 -80.9 1 40.0 -51.5 260 12 911.2 911.2 329.7 911.9 0.07 84 7.9 32679 -35.7 -78.7 0 43.0 -49.7 260 14 948.1 948.2 330.3 949.3 0.10 85 7.5 33040 -36.5 -78.5 1 42.0 -50.3 260 15 959.0 959.1 330.5 960.3 0.11 86 7.0 33520 -35.5 -78.5 0 43.0 -50.3 260 16 982.3 982.4 330.9 983.7 0.12 TRP 250 10310 -53.1 -66.1 19 13.0 -53.3 210 43 327.1 327.1 290.9 327.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5418.00 m Freezing level: 850.00 mb = 1452.00 m = 4763.72 ft Wetbulb zero: 849.69 mb = 1454.93 m = 4773.33 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 75.19 % Est. max temperature: 13.61 C = 56.50 F Sfc-Lift cond lev (LCL): 872.23 mb = 1244.08 m = 4081.58 ft T: 1.23 C 700-500 lapse rate: 6.11 C/km ThetaE index: 3.01 C Layer 1009.0-1006.0 mb Conv cond level (CCL): 881.52 mb = 1158.60 m = 3801.14 ft Mean mixing ratio: 4.95 g/kg Conv temperature: 13.05 C = 55.49 F Cap Strength: 7.53 C Lifted Index: 7.65 C Risk: None Lifted Index @300 mb: 15.09 C Lifted Index @700 mb: 3.56 C Showalter Index: 7.65 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.10 C Cross Totals Index: 22.10 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 50.00 Risk: None Energy Index: 1.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.73 J/kg Max Up Vert Vel: 2.73 m/s Conv Inhibition (B-): 3.61 J/kg Cap Strength: 7.58 C Lift Cond Lev (LCL): 882.54 mb = 1149.20 m = 3770.30 ft Lev Free Conv (LFC): 867.54 mb = 1287.56 m = 4224.24 ft Equ Level (EL): 827.54 mb = 1665.96 m = 5465.68 ft B at Equ Level: 3.63 J/kg Max Parcel Lev (MPL): 797.54 mb = 1959.59 m = 6429.02 ft Wind level data Storm motion: 212 at 13 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 1014 3 305 6 4.9 -3.4 | 7 14 -1.9 -14.3 1 1000 122 315 6 4.2 -4.2 | 10 15 -2.5 -15.1 2 978 305 295 7 6.3 -3.0 | 2 14 -0.4 -13.8 3 943 610 290 5 4.7 -1.7 | 9 13 -2.1 -12.6 4 925 767 270 4 4.0 -0.0 | 14 11 -2.8 -10.8 5 908 914 245 3 2.7 1.3 | 23 10 -4.1 -9.6 6 875 1219 230 9 6.9 5.8 | 359 5 0.1 -5.1 7 850 1452 230 10 7.7 6.4 | 349 5 0.9 -4.4 8 842 1524 230 10 7.7 6.4 | 349 5 0.9 -4.4 9 810 1829 200 11 3.8 10.3 | 80 3 -3.0 -0.5 10 780 2134 200 12 4.1 11.3 | 99 3 -2.7 0.4 11 750 2438 200 7 2.4 6.6 | 46 6 -4.4 -4.3 12 722 2743 205 13 5.5 11.8 | 126 2 -1.3 0.9 13 700 2988 195 13 3.4 12.6 | 117 4 -3.4 1.7 14 694 3048 185 13 1.1 13.0 | 110 6 -5.7 2.1 15 641 3658 180 21 0.0 21.0 | 146 12 -6.8 10.2 16 591 4267 180 24 0.0 24.0 | 153 15 -6.8 13.2 17 546 4877 170 29 -5.0 28.6 | 146 21 -11.8 17.7 18 504 5486 160 30 -10.3 28.2 | 136 24 -17.0 17.3 19 500 5540 160 30 -10.3 28.2 | 136 24 -17.0 17.3 20 463 6096 170 32 -5.6 31.5 | 149 24 -12.3 20.7 21 444 6401 185 30 2.6 29.9 | 168 19 -4.2 19.0 22 400 7150 185 34 3.0 33.9 | 171 23 -3.8 23.0 23 373 7620 190 38 6.6 37.4 | 180 27 -0.2 26.6 24 300 9120 205 36 15.2 32.6 | 201 23 8.4 21.8 25 299 9144 200 37 12.7 34.8 | 194 25 5.9 23.9 26 250 10310 210 43 21.5 37.2 | 209 30 14.7 26.4 27 237 10668 210 41 20.5 35.5 | 209 28 13.7 24.7 28 226 10973 225 49 34.6 34.6 | 229 37 27.9 23.8 29 200 11750 235 32 26.2 18.4 | 249 21 19.4 7.5 30 187 12192 245 30 27.2 12.7 | 265 20 20.4 1.8 31 178 12497 230 23 17.6 14.8 | 250 12 10.8 3.9 32 170 12802 250 22 20.7 7.5 | 283 14 13.9 -3.3 33 162 13106 230 22 16.9 14.1 | 252 11 10.1 3.3 34 150 13610 240 26 22.5 13.0 | 262 16 15.7 2.2 35 141 14021 250 23 21.6 7.9 | 281 15 14.8 -3.0 36 134 14326 240 31 26.8 15.5 | 257 21 20.1 4.7 37 128 14630 255 24 23.2 6.2 | 286 17 16.4 -4.6 38 116 15240 245 21 19.0 8.9 | 279 12 12.2 -2.0 39 111 15545 230 17 13.0 10.9 | 269 6 6.2 0.1 40 106 15850 250 18 16.9 6.2 | 295 11 10.1 -4.7 41 101 16154 225 21 14.8 14.8 | 244 9 8.1 4.0 42 100 16220 230 17 13.0 10.9 | 269 6 6.2 0.1 43 96 16459 230 17 13.0 10.9 | 269 6 6.2 0.1 44 83 17374 240 21 18.2 10.5 | 272 11 11.4 -0.3 45 80 17678 215 18 10.3 14.7 | 222 5 3.5 3.9 46 76 17983 235 21 17.2 12.0 | 263 10 10.4 1.2 47 72 18288 240 15 13.0 7.5 | 298 7 6.2 -3.3 48 70 18490 220 19 12.2 14.6 | 236 7 5.4 3.7 49 69 18593 205 16 6.8 14.5 | 180 4 -0.0 3.7 50 66 18898 230 22 16.9 14.1 | 252 11 10.1 3.3 51 63 19202 200 20 6.8 18.8 | 180 8 0.1 8.0 52 60 19507 225 27 19.1 19.1 | 236 15 12.3 8.2 53 57 19812 260 23 22.7 4.0 | 293 17 15.9 -6.8 54 54 20117 280 14 13.8 -2.4 | 332 15 7.0 -13.3 55 52 20422 215 10 5.7 8.2 | 22 3 -1.0 -2.7 56 50 20630 270 15 15.0 -0.0 | 323 14 8.2 -10.8 57 49 20726 255 11 10.6 2.8 | 334 9 3.8 -8.0 58 47 21031 260 16 15.8 2.8 | 312 12 9.0 -8.1 59 45 21336 275 4 4.0 -0.3 | 14 12 -2.8 -11.2 60 35 22860 240 1 0.9 0.5 | 30 12 -5.9 -10.3 61 30 23870 185 5 0.4 5.0 | 47 9 -6.3 -5.9 62 28 24384 180 6 0.0 6.0 | 54 8 -6.8 -4.8 63 25 24994 10 1 -0.2 -1.0 | 30 14 -7.0 -11.8 64 20 26490 150 3 -1.5 2.6 | 45 12 -8.3 -8.2 65 20 26518 125 13 -10.6 7.5 | 79 18 -17.4 -3.4 66 19 26822 135 10 -7.1 7.1 | 75 14 -13.9 -3.8 67 17 27432 65 4 -3.6 -1.7 | 40 16 -10.4 -12.5 68 17 27737 330 10 5.0 -8.7 | 5 20 -1.8 -19.5 69 16 28042 350 13 2.3 -12.8 | 11 24 -4.5 -23.6 70 15 28346 315 10 7.1 -7.1 | 359 18 0.3 -17.9 71 14 28651 345 10 2.6 -9.7 | 12 21 -4.2 -20.5 72 10 31080 260 9 8.9 1.6 | 347 10 2.1 -9.3 73 7 33520 260 16 15.8 2.8 | 312 12 9.0 -8.1 Wind Parameters Mean winds (0-6000m): 182.0 at 17.1 knts Storm direction: 212.0 at 12.8 knts Shear (0-3000m) pos: 0.6 neg: 3.3 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 107.5 deg Storm rel helicity (0-3000m) pos: 21.3 neg: -17.8 tot: 3.5 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 57.67 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 ------------------------------------------------------------------------------- 500 301 6 6 14| 0.0 1.4 1.4| 5.6 -7.1 -1.5 -3.0 -0.07| 4.7 -0.3 1000 290 5 8 13| 0.0 3.0 3.0| 15.2 -9.3 6.0 6.0 0.19| 5.4 1.0 1500 263 6 3 10| 0.0 3.5 3.5| 15.2 -14.4 0.9 0.6 -0.07| 5.5 -0.4 2000 242 7 2 7| 0.0 3.7 3.7| 18.6 -14.4 4.2 2.1 0.17| 5.7 1.0 2500 230 8 7 6| 0.7 3.0 3.6| 19.1 -17.4 1.7 0.7 0.04| 5.6 0.2 3000 222 9 13 5| 0.6 3.3 3.9| 21.3 -17.8 3.5 1.2 0.12| 5.9 0.7 4000 203 11 78 3| 0.4 3.8 4.2| 34.4 -17.8 16.6 4.1 0.21| 5.9 1.2 5000 191 14 128 5| 0.3 3.8 4.1| 36.4 -32.3 4.1 0.8 0.13| 5.6 0.7 6000 182 17 135 9| 0.2 3.2 3.5| 67.0 -53.2 13.8 2.3 0.13| 5.5 0.7 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250426.00.gif