UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for KVBG... Searching the city database file for: KVBG ... Date:1200Z 25 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 1000 112 15.0 12.3 84 2.7 13.4 170 19 288.1 289.7 286.5 313.4 9.02 1 925 756 10.6 8.8 89 1.8 9.6 175 48 290.1 291.5 286.0 312.0 7.70 2 850 1454 5.2 4.9 98 0.3 5.1 190 42 291.6 292.7 285.3 309.9 6.40 3 700 3016 -3.3 -3.4 99 0.1 -3.3 215 51 298.8 299.6 285.9 311.6 4.25 4 500 5600 -19.7 -21.9 83 2.2 -20.2 225 76 309.0 309.3 286.5 313.4 1.32 5 400 7220 -32.5 -35.3 76 2.8 -32.9 230 65 312.7 312.8 286.9 314.4 0.47 6 300 9170 -47.1 -66.1 10 19.0 -47.5 235 105 319.0 319.0 288.4 319.0 0.02 7 265 9983 -51.1 -70.1 9 19.0 -51.4 240 112 324.7 324.7 290.2 324.7 0.01 8 260 10106 -51.7 -70.7 9 19.0 -52.0 235 108 325.5 325.5 290.5 325.6 0.01 9 250 10360 -51.9 -71.9 7 20.0 -52.2 240 110 328.9 328.9 291.4 328.9 0.01 10 200 11800 -54.3 -79.3 3 25.0 -54.6 235 94 346.8 346.8 295.9 346.8 0.00 11 150 13630 -58.5 -84.5 2 26.0 -58.7 230 83 369.3 369.3 300.4 369.3 0.00 12 100 16160 -57.1 -86.1 1 29.0 -57.5 225 55 417.4 417.4 307.4 417.4 0.00 TRP 260 10106 -51.7 -70.7 9 19.0 -52.0 235 108 325.5 325.5 290.5 325.6 0.01 WND 265 9983 -51.1 -70.1 9 19.0 -51.4 240 112 324.7 324.7 290.2 324.7 0.01 Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: 758.24 mb = 2409.58 m = 7905.34 ft Wetbulb zero: 759.75 mb = 2357.02 m = 7732.90 ft Precipitable water: 1.05 inches Sfc-500 mean rel hum: 92.84 % Est. max temperature: 18.44 C = 65.20 F Sfc-Lift cond lev (LCL): 960.46 mb = 445.24 m = 1460.73 ft T: 12.72 C 700-500 lapse rate: 6.35 C/km ThetaE index: 3.46 C Layer 925.0- 700.0 mb Conv cond level (CCL): 906.25 mb = 925.05 m = 3034.89 ft Mean mixing ratio: 8.13 g/kg Conv temperature: 17.35 C = 63.24 F Cap Strength: 0.75 C Lifted Index: 1.08 C Risk: Showers probable Lifted Index @300 mb: 4.91 C Lifted Index @700 mb: -0.33 C Showalter Index: 2.66 C Risk: Showers probable Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.60 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 325.50 Risk: Showers and thunderstorms possible Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.93 J/kg Max Up Vert Vel: 11.13 m/s Conv Inhibition (B-): 4.90 J/kg Cap Strength: 1.11 C Lift Cond Lev (LCL): 920.28 mb = 798.22 m = 2618.81 ft Lev Free Conv (LFC): 885.28 mb = 1118.29 m = 3668.89 ft Equ Level (EL): 585.28 mb = 4390.58 m = 14404.61 ft B at Equ Level: 61.74 J/kg Max Parcel Lev (MPL): 445.28 mb = 6441.45 m = 21133.10 ft Wind level data Storm motion: 244 at 38 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 1000 112 170 19 -3.3 18.7 | 93 38 -37.8 1.8 1 977 305 160 43 -14.7 40.4 | 116 55 -49.2 23.5 2 942 610 175 39 -3.4 38.9 | 120 44 -37.9 22.0 3 925 756 175 48 -4.2 47.8 | 129 50 -38.7 30.9 4 907 914 180 50 0.0 50.0 | 134 48 -34.5 33.1 5 875 1219 185 48 4.2 47.8 | 136 43 -30.3 30.9 6 850 1454 190 42 7.3 41.4 | 132 37 -27.2 24.5 7 843 1524 190 40 6.9 39.4 | 129 36 -27.5 22.5 8 811 1829 190 42 7.3 41.4 | 132 37 -27.2 24.5 9 781 2134 200 38 13.0 35.7 | 131 29 -21.5 18.8 10 752 2438 215 42 24.1 34.4 | 149 20 -10.4 17.5 11 724 2743 215 46 26.4 37.7 | 159 22 -8.1 20.8 12 700 3016 215 51 29.3 41.8 | 168 25 -5.2 24.9 13 697 3048 215 51 29.3 41.8 | 168 25 -5.2 24.9 14 670 3353 225 50 35.4 35.4 | 183 18 0.9 18.5 15 644 3658 235 49 40.1 28.1 | 207 13 5.7 11.2 16 619 3962 230 49 37.5 31.5 | 192 15 3.1 14.6 17 595 4267 230 49 37.5 31.5 | 192 15 3.1 14.6 18 572 4572 230 53 40.6 34.1 | 200 18 6.1 17.2 19 549 4877 230 61 46.7 39.2 | 209 25 12.2 22.3 20 528 5182 225 66 46.7 46.7 | 202 32 12.2 29.8 21 507 5486 220 72 46.3 55.2 | 197 40 11.8 38.3 22 500 5600 225 76 53.7 53.7 | 208 42 19.3 36.9 23 487 5791 230 75 57.5 48.2 | 216 39 23.0 31.3 24 467 6096 230 66 50.6 42.4 | 212 30 16.1 25.5 25 448 6401 230 63 48.3 40.5 | 210 27 13.8 23.6 26 429 6706 230 66 50.6 42.4 | 212 30 16.1 25.5 27 412 7010 230 68 52.1 43.7 | 213 32 17.6 26.8 28 400 7220 230 65 49.8 41.8 | 212 29 15.3 24.9 29 394 7315 230 66 50.6 42.4 | 212 30 16.1 25.5 30 377 7620 230 62 47.5 39.9 | 210 26 13.0 23.0 31 360 7925 230 66 50.6 42.4 | 212 30 16.1 25.5 32 345 8230 230 68 52.1 43.7 | 213 32 17.6 26.8 33 329 8534 230 73 55.9 46.9 | 216 37 21.4 30.0 34 315 8839 230 86 65.9 55.3 | 219 50 31.4 38.4 35 301 9144 240 103 89.2 51.5 | 238 65 54.7 34.6 36 300 9170 235 105 86.0 60.2 | 230 67 51.5 43.3 37 287 9449 230 109 83.5 70.1 | 223 72 49.0 53.2 38 274 9754 235 109 89.3 62.5 | 230 71 54.8 45.6 39 265 9983 240 112 97.0 56.0 | 238 74 62.5 39.1 40 262 10058 240 110 95.3 55.0 | 238 72 60.8 38.1 41 260 10106 235 108 88.5 61.9 | 230 70 54.0 45.1 42 250 10360 240 110 95.3 55.0 | 238 72 60.8 38.1 43 250 10363 240 110 95.3 55.0 | 238 72 60.8 38.1 44 238 10668 240 102 88.3 51.0 | 238 64 53.8 34.1 45 227 10973 240 109 94.4 54.5 | 238 71 59.9 37.6 46 217 11278 240 101 87.5 50.5 | 238 63 53.0 33.6 47 207 11582 235 95 77.8 54.5 | 229 57 43.3 37.6 48 200 11800 235 94 77.0 53.9 | 229 56 42.5 37.0 49 197 11887 235 94 77.0 53.9 | 229 56 42.5 37.0 50 188 12192 230 95 72.8 61.1 | 221 58 38.3 44.2 51 179 12497 230 88 67.4 56.6 | 220 52 32.9 39.7 52 171 12802 230 100 76.6 64.3 | 222 63 42.1 47.4 53 163 13106 240 93 80.5 46.5 | 237 55 46.1 29.6 54 155 13411 230 82 62.8 52.7 | 218 46 28.3 35.8 55 150 13630 230 83 63.6 53.4 | 219 47 29.1 36.5 56 148 13716 230 84 64.3 54.0 | 219 48 29.9 37.1 57 141 14021 230 80 61.3 51.4 | 218 44 26.8 34.5 58 134 14326 235 75 61.4 43.0 | 226 38 27.0 26.1 59 128 14630 230 83 63.6 53.4 | 219 47 29.1 36.5 60 122 14935 230 81 62.0 52.1 | 218 45 27.6 35.2 61 116 15240 235 86 70.4 49.3 | 228 48 36.0 32.5 62 110 15545 230 75 57.5 48.2 | 216 39 23.0 31.3 63 105 15850 230 68 52.1 43.7 | 213 32 17.6 26.8 64 100 16154 230 55 42.1 35.4 | 202 20 7.6 18.5 65 100 16160 225 55 38.9 38.9 | 191 22 4.4 22.0 Wind Parameters Mean winds (0-6000m): 213.9 at 51.2 knts Storm direction: 243.9 at 38.4 knts Shear (0-3000m) pos: 6.9 neg: 0.0 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 78.0 deg Storm rel helicity (0-3000m) pos: 528.0 neg: -42.8 tot: 485.3 m^2/s^2 ave: 161.8 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 15.9 stream: 8.1 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 0.32 Bulk Shear: 193.02 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 ------------------------------------------------------------------------------- 500 166 37 114 48| 20.9 0.0 20.9|257.1 0.0 257.1 514.1 0.61| 36.7 22.3 1000 173 42 122 47| 15.7 0.0 15.7|408.1 0.0 408.1 408.1 0.65| 26.6 17.4 1500 178 43 126 44| 8.1 0.0 8.1|415.0 -39.6 375.3 250.2 0.49| 21.3 10.5 2000 182 42 127 42| 6.1 0.0 6.1|427.2 -42.8 384.5 192.2 0.44| 18.3 8.1 2500 187 42 130 38| 6.9 0.0 6.9|487.7 -42.8 444.9 178.0 0.49| 17.4 8.4 3000 192 43 135 36| 6.9 0.0 6.9|528.0 -42.8 485.3 161.8 0.51| 15.9 8.1 4000 203 45 145 30| 5.7 0.4 6.1|575.8 -53.4 522.5 130.6 0.49| 14.3 7.0 5000 210 47 155 26| 4.5 1.8 6.3|603.0 -69.3 533.6 106.7 0.45| 13.3 6.0 6000 214 51 167 26| 3.4 2.4 5.8|735.8-118.8 616.9 102.8 0.40| 13.8 5.6 Wrote GIF file: /home/apache/climate/data/raob//KVBG/skewt/KVBG.skewt.20251225.12.gif