UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for KVBG... Searching the city database file for: KVBG ... Date:0000Z 27 DEC 25 Station: KVBG WMO ident: 72393 Latitude: 34.73 Longitude: -120.58 Elevation: 112.00 ------------------------------------------------------------------------------- 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 112 15.0 11.0 77 4.0 12.6 300 4 287.9 289.3 285.7 311.0 8.24 1 1000 127 14.0 10.2 78 3.8 11.8 270 9 287.1 288.5 284.9 309.0 7.83 2 925 778 8.2 4.9 80 3.3 6.5 260 11 287.7 288.7 283.1 304.3 5.87 3 850 1470 2.4 0.2 85 2.2 1.4 270 13 288.7 289.5 282.1 301.7 4.56 4 818 1779 -0.3 -1.2 94 0.9 -0.7 261 13 289.0 289.7 281.9 301.3 4.28 5 795 2007 -1.1 -8.1 59 7.0 -3.7 249 18 290.5 291.0 280.6 298.2 2.61 6 787 2087 -1.7 -4.8 79 3.1 -3.0 243 20 290.7 291.3 281.6 300.6 3.40 7 782 2138 -1.5 -11.5 46 10.0 -5.0 240 22 291.4 291.8 280.3 297.5 2.03 8 763 2333 -3.1 -7.3 73 4.2 -4.7 234 21 291.8 292.3 281.5 300.3 2.89 9 747 2501 -4.3 -9.3 68 5.0 -6.1 228 20 292.2 292.7 281.3 299.8 2.53 10 738 2596 -4.5 -17.5 35 13.0 -8.2 225 21 293.0 293.3 280.0 297.1 1.31 11 728 2704 -5.5 -14.5 49 9.0 -8.3 221 22 293.1 293.4 280.6 298.3 1.71 12 700 3011 -6.5 -20.5 32 14.0 -10.2 235 25 295.3 295.5 280.7 298.7 1.07 13 683 3203 -7.1 -28.1 17 21.0 -11.6 240 30 296.7 296.8 280.7 298.5 0.55 14 632 3804 -10.9 -19.9 47 9.0 -13.3 223 42 299.0 299.3 282.6 303.0 1.25 15 611 4063 -12.3 -38.3 9 26.0 -16.3 217 42 300.3 300.4 281.8 301.1 0.23 16 557 4763 -17.9 -44.9 7 27.0 -21.0 214 45 301.8 301.8 282.3 302.2 0.13 17 508 5444 -23.9 -35.9 32 12.0 -25.4 218 50 302.5 302.6 282.9 303.7 0.35 18 500 5560 -24.1 -40.1 21 16.0 -25.9 220 56 303.7 303.7 283.2 304.5 0.23 19 497 5604 -24.3 -42.3 17 18.0 -26.2 221 58 303.9 304.0 283.2 304.6 0.19 20 492 5677 -23.9 -50.9 6 27.0 -26.1 223 61 305.3 305.3 283.6 305.6 0.07 21 457 6215 -22.1 -61.1 2 39.0 -25.0 226 83 314.1 314.1 286.8 314.2 0.02 22 451 6312 -21.7 -56.7 3 35.0 -24.6 223 89 315.8 315.8 287.4 315.9 0.04 23 400 7180 -28.1 -56.1 5 28.0 -30.0 230 97 318.5 318.5 288.3 318.7 0.05 24 318 8793 -40.3 -55.3 19 15.0 -41.0 230 117 323.1 323.1 289.8 323.4 0.07 25 300 9190 -42.7 -60.7 12 18.0 -43.3 225 123 325.2 325.2 290.3 325.3 0.04 26 282 9602 -46.1 -63.0 13 16.9 -46.6 225 127 326.1 326.1 290.6 326.2 0.03 27 268 9937 -48.9 -64.9 14 16.0 -49.3 220 124 326.8 326.8 290.8 326.9 0.02 28 250 10390 -50.7 -68.7 10 18.0 -51.0 220 121 330.7 330.7 291.9 330.8 0.01 29 200 11820 -58.5 -75.5 9 17.0 -58.7 230 103 340.1 340.1 294.4 340.2 0.01 30 195 11979 -59.5 -76.5 9 17.0 -59.6 230 104 341.0 341.0 294.6 341.0 0.01 31 185 12310 -56.1 -79.1 4 23.0 -56.3 232 95 351.7 351.7 297.0 351.7 0.00 32 172 12769 -59.7 -79.7 6 20.0 -59.9 231 92 353.1 353.1 297.3 353.1 0.00 33 162 13146 -57.1 -82.1 3 25.0 -57.3 240 84 363.6 363.6 299.4 363.6 0.00 34 150 13630 -59.3 -83.3 3 24.0 -59.5 240 69 367.9 367.9 300.2 367.9 0.00 35 142 13972 -60.3 -84.3 3 24.0 -60.5 232 75 372.0 372.0 300.9 372.0 0.00 36 111 15521 -56.3 -84.3 2 28.0 -56.7 240 40 406.6 406.6 306.1 406.6 0.00 37 100 16180 -58.9 -84.9 2 26.0 -59.2 225 29 413.9 413.9 307.0 413.9 0.00 38 90 16832 -62.9 -86.9 3 24.0 -63.1 220 39 418.6 418.6 307.6 418.6 0.00 39 84 17258 -60.3 -86.3 2 26.0 -60.6 239 47 432.2 432.2 309.1 432.3 0.00 40 74 18043 -61.5 -87.5 2 26.0 -61.9 237 45 445.7 445.7 310.4 445.7 0.00 41 71 18301 -57.3 -86.3 1 29.0 -57.9 244 42 459.9 459.9 311.8 459.9 0.00 42 70 18390 -58.1 -86.1 2 28.0 -58.6 240 44 460.1 460.1 311.8 460.1 0.00 43 60 19358 -59.3 -87.3 1 28.0 -59.8 244 24 478.1 478.1 313.3 478.2 0.00 TRP 195 11979 -59.5 -76.5 9 17.0 -59.6 230 104 341.0 341.0 294.6 341.0 0.01 WND 282 9602 -46.1 -63.0 13 16.9 -46.6 225 127 326.1 326.1 290.6 326.2 0.03 Sounding variables and indices 1000-500 mb thick: 5433.00 m Freezing level: 821.56 mb = 1744.36 m = 5722.90 ft Wetbulb zero: 828.66 mb = 1674.49 m = 5493.66 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 47.27 % Est. max temperature: 15.72 C = 60.30 F Sfc-Lift cond lev (LCL): 944.69 mb = 602.12 m = 1975.45 ft T: 9.77 C 700-500 lapse rate: 6.90 C/km ThetaE index: 12.78 C Layer 1000.0- 787.0 mb Conv cond level (CCL): 897.90 mb = 1021.34 m = 3350.82 ft Mean mixing ratio: 6.61 g/kg Conv temperature: 15.15 C = 59.26 F Cap Strength: 0.98 C Lifted Index: 0.67 C Risk: Showers probable Lifted Index @300 mb: 13.65 C Lifted Index @700 mb: -0.43 C Showalter Index: 3.65 C Risk: None Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 24.30 C K Index: 12.70 Risk: None Sweat Index: 120.40 Risk: None Energy Index: 0.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 82.22 J/kg Max Up Vert Vel: 12.82 m/s Conv Inhibition (B-): 2.94 J/kg Cap Strength: 0.91 C Lift Cond Lev (LCL): 904.99 mb = 956.95 m = 3139.55 ft Lev Free Conv (LFC): 879.99 mb = 1186.20 m = 3891.68 ft Equ Level (EL): 679.99 mb = 3237.16 m = 10620.48 ft B at Equ Level: 81.32 J/kg Max Parcel Lev (MPL): 479.99 mb = 5857.05 m = 19215.79 ft Wind level data Storm motion: 257 at 24 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 112 300 4 3.5 -2.0 | 70 21 -19.9 -7.3 1 1000 127 270 9 9.0 -0.0 | 70 15 -14.3 -5.3 2 979 305 285 12 11.6 -3.1 | 54 14 -11.7 -8.4 3 944 610 270 12 12.0 -0.0 | 65 13 -11.3 -5.3 4 925 778 260 11 10.8 1.9 | 75 13 -12.5 -3.4 5 910 914 260 12 11.8 2.1 | 74 12 -11.5 -3.3 6 876 1219 260 11 10.8 1.9 | 75 13 -12.5 -3.4 7 850 1470 270 13 13.0 -0.0 | 63 12 -10.3 -5.3 8 844 1524 265 13 13.0 1.1 | 68 11 -10.4 -4.2 9 812 1829 260 13 12.8 2.3 | 74 11 -10.5 -3.1 10 782 2134 240 22 19.1 11.0 | 143 7 -4.3 5.7 11 752 2438 230 20 15.3 12.9 | 133 11 -8.0 7.5 12 724 2743 220 22 14.1 16.9 | 141 15 -9.2 11.5 13 700 3011 235 25 20.5 14.3 | 162 9 -2.8 9.0 14 697 3048 240 26 22.5 13.0 | 174 8 -0.8 7.7 15 669 3353 240 34 29.4 17.0 | 208 13 6.1 11.7 16 643 3658 225 42 29.7 29.7 | 195 25 6.4 24.4 17 617 3962 220 43 27.6 32.9 | 189 28 4.3 27.6 18 593 4267 210 40 20.0 34.6 | 174 29 -3.3 29.3 19 570 4572 220 44 28.3 33.7 | 190 29 5.0 28.4 20 547 4877 210 46 23.0 39.8 | 179 35 -0.3 34.5 21 526 5182 210 44 22.0 38.1 | 178 33 -1.3 32.8 22 505 5486 220 51 32.8 39.1 | 196 35 9.5 33.7 23 500 5560 220 56 36.0 42.9 | 199 40 12.7 37.6 24 484 5791 225 66 46.7 46.7 | 209 47 23.3 41.3 25 464 6096 230 76 58.2 48.9 | 219 56 34.9 43.5 26 445 6401 220 94 60.4 72.0 | 209 76 37.1 66.7 27 427 6706 230 92 70.5 59.1 | 221 72 47.1 53.8 28 409 7010 230 93 71.2 59.8 | 221 73 47.9 54.4 29 400 7180 230 97 74.3 62.4 | 222 76 51.0 57.0 30 392 7315 230 102 78.1 65.6 | 222 81 54.8 60.2 31 376 7620 230 100 76.6 64.3 | 222 79 53.3 58.9 32 360 7925 230 110 84.3 70.7 | 223 89 60.9 65.4 33 344 8230 230 110 84.3 70.7 | 223 89 60.9 65.4 34 330 8534 230 115 88.1 73.9 | 223 94 64.8 68.6 35 315 8839 230 118 90.4 75.8 | 224 97 67.1 70.5 36 302 9144 225 121 85.6 85.6 | 218 102 62.2 80.2 37 300 9190 225 123 87.0 87.0 | 218 104 63.6 81.6 38 289 9449 225 121 85.6 85.6 | 218 102 62.2 80.2 39 282 9602 225 127 89.8 89.8 | 218 107 66.5 84.5 40 276 9754 220 123 79.1 94.2 | 212 105 55.7 88.9 41 263 10058 220 124 79.7 95.0 | 212 106 56.4 89.7 42 251 10363 220 121 77.8 92.7 | 212 103 54.4 87.4 43 250 10390 220 121 77.8 92.7 | 212 103 54.4 87.4 44 239 10668 220 120 77.1 91.9 | 212 102 53.8 86.6 45 228 10973 220 113 72.6 86.6 | 211 95 49.3 81.2 46 218 11278 230 115 88.1 73.9 | 223 94 64.8 68.6 47 208 11582 230 112 85.8 72.0 | 223 91 62.5 66.7 48 200 11820 230 103 78.9 66.2 | 222 82 55.6 60.9 49 198 11887 230 102 78.1 65.6 | 222 81 54.8 60.2 50 195 11979 230 104 79.7 66.8 | 222 83 56.3 61.5 51 189 12192 230 96 73.5 61.7 | 222 75 50.2 56.4 52 180 12497 235 93 76.2 53.3 | 228 71 52.9 48.0 53 171 12802 230 92 70.5 59.1 | 221 72 47.1 53.8 54 163 13106 240 85 73.6 42.5 | 234 63 50.3 37.2 55 155 13411 240 78 67.5 39.0 | 233 56 44.2 33.7 56 150 13630 240 69 59.8 34.5 | 231 47 36.4 29.2 57 148 13716 240 70 60.6 35.0 | 231 48 37.3 29.7 58 141 14021 230 76 58.2 48.9 | 219 56 34.9 43.5 59 134 14326 240 63 54.6 31.5 | 230 41 31.2 26.2 60 128 14630 240 68 58.9 34.0 | 231 46 35.6 28.7 61 122 14935 240 65 56.3 32.5 | 231 43 33.0 27.2 62 116 15240 240 54 46.8 27.0 | 227 32 23.4 21.7 63 111 15545 240 39 33.8 19.5 | 216 18 10.4 14.2 64 105 15850 250 32 30.1 10.9 | 230 9 6.7 5.6 65 100 16154 225 29 20.5 20.5 | 169 15 -2.8 15.2 66 100 16180 225 29 20.5 20.5 | 169 15 -2.8 15.2 67 96 16459 230 41 31.4 26.4 | 201 23 8.1 21.0 68 91 16764 220 37 23.8 28.3 | 181 23 0.5 23.0 69 87 17069 220 48 30.9 36.8 | 193 32 7.5 31.4 70 82 17374 250 46 43.2 15.7 | 242 22 19.9 10.4 71 79 17678 240 38 32.9 19.0 | 215 17 9.6 13.7 72 75 17983 235 46 37.7 26.4 | 214 25 14.4 21.1 73 71 18288 245 42 38.1 17.7 | 230 19 14.7 12.4 74 70 18390 240 44 38.1 22.0 | 222 22 14.8 16.7 75 67 18593 245 43 39.0 18.2 | 231 20 15.6 12.8 76 63 18898 260 34 33.5 5.9 | 267 10 10.2 0.6 77 59 19202 240 22 19.1 11.0 | 143 7 -4.3 5.7 Wind Parameters Mean winds (0-6000m): 227.1 at 31.9 knts Storm direction: 257.1 at 23.9 knts Shear (0-3000m) pos: 1.9 neg: 3.4 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 114.6 deg Storm rel helicity (0-3000m) pos: 63.4 neg: -26.7 tot: 36.7 m^2/s^2 ave: 12.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 2.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.90 Bulk Shear: 91.43 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 ------------------------------------------------------------------------------- 500 278 11 61 14| 0.0 9.0 9.0| 8.6 -17.9 -9.3 -18.6 -0.15| 12.5 -1.9 1000 270 11 66 13| 0.0 4.5 4.5| 15.9 -18.1 -2.2 -2.2 0.02| 8.1 0.1 1500 268 12 67 13| 0.6 3.0 3.6| 18.1 -24.2 -6.1 -4.1 -0.04| 6.6 -0.3 2000 263 13 70 11| 0.5 4.8 5.2| 35.6 -24.2 11.4 5.7 0.26| 7.8 2.1 2500 254 14 81 10| 0.4 4.1 4.5| 39.6 -26.7 12.9 5.2 0.23| 7.6 1.7 3000 248 16 94 9| 1.9 3.4 5.3| 63.4 -26.7 36.7 12.2 0.35| 8.3 2.9 4000 238 22 141 8| 1.4 5.0 6.4| 73.2 -93.6 -20.4 -5.1 0.14| 9.7 1.3 5000 230 26 164 12| 1.5 4.3 5.8|122.6-163.5 -40.9 -8.2 0.09| 9.6 0.9 6000 227 32 180 16| 4.5 3.6 8.1|436.0-163.5 272.5 45.4 0.28| 11.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//KVBG/skewt/KVBG.skewt.20251227.00.gif