UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for ROIG... Searching the city database file for: ROIG ... Date:1200Z 18 DEC 25 Station: ROIG WMO ident: 47918 Latitude: 24.33 Longitude: 124.17 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1019 7 23.2 17.2 69 6.0 19.2 90 12 294.8 296.9 291.6 329.7 12.20 1 1000 171 22.2 17.5 75 4.7 19.1 105 17 295.4 297.6 292.2 331.8 12.68 2 925 842 15.8 15.7 99 0.1 15.7 100 19 295.5 297.7 291.9 330.6 12.21 3 873 1332 12.8 12.7 99 0.1 12.7 100 13 297.3 299.2 291.2 328.1 10.63 4 850 1556 11.0 10.8 99 0.2 10.9 100 10 297.7 299.4 290.5 325.6 9.61 5 787 2196 7.0 6.2 95 0.8 6.5 165 13 300.0 301.4 289.5 322.4 7.58 6 714 2994 4.0 2.0 87 2.0 2.9 248 16 305.2 306.3 290.0 324.0 6.20 7 700 3155 3.0 1.1 87 1.9 2.0 265 17 305.8 306.9 289.9 323.9 5.93 8 662 3605 0.2 -1.7 87 1.9 -0.7 264 20 307.6 308.5 289.8 323.3 5.11 9 647 3789 0.2 -4.7 70 4.9 -2.1 264 22 309.6 310.4 289.6 322.7 4.17 10 621 4117 -1.3 -5.2 75 3.9 -3.1 263 24 311.5 312.3 290.2 324.7 4.18 11 597 4433 0.6 -8.4 51 9.0 -3.4 263 26 317.3 317.9 291.2 328.3 3.40 12 507 5722 -8.9 -18.9 44 10.0 -12.2 260 36 320.9 321.2 290.7 326.7 1.69 13 501 5815 -9.3 -27.3 22 18.0 -13.9 260 37 321.5 321.7 290.1 324.4 0.81 14 500 5830 -9.3 -27.3 22 18.0 -13.9 260 37 321.7 321.9 290.2 324.6 0.81 15 463 6418 -14.3 -16.9 81 2.6 -15.2 253 44 322.6 323.1 291.7 330.1 2.20 16 434 6904 -17.5 -19.3 86 1.8 -18.0 247 49 324.6 325.0 292.0 331.1 1.91 17 400 7510 -21.3 -22.4 91 1.1 -21.6 240 56 327.3 327.6 292.5 332.8 1.58 18 375 7981 -24.7 -26.8 83 2.1 -25.2 242 62 328.9 329.1 292.5 333.0 1.14 19 358 8316 -25.5 -30.5 63 5.0 -26.5 244 66 332.2 332.4 293.2 335.3 0.84 20 307 9417 -30.1 -47.1 17 17.0 -31.9 249 80 340.7 340.7 294.7 341.4 0.18 21 300 9580 -31.1 -48.1 17 17.0 -32.8 250 82 341.5 341.6 294.8 342.2 0.16 22 252 10796 -40.1 -55.1 19 15.0 -41.0 250 89 345.7 345.7 295.7 346.0 0.09 23 250 10850 -40.7 250 89 345.6 24 217 11792 -48.8 250 95 347.4 25 209 12036 -50.9 248 96 347.8 26 200 12320 -53.1 245 97 348.7 27 150 14120 -67.1 250 89 354.5 28 135 14748 -71.3 248 82 357.9 29 114 15728 -78.7 245 72 361.9 30 102 16358 -80.1 249 67 370.9 31 100 16470 -79.3 250 66 374.5 32 89 17133 -79.7 250 55 386.4 33 85 17397 -76.7 250 50 397.6 34 75 18116 -78.3 250 38 408.7 35 72 18354 -72.5 250 34 425.8 36 70 18520 -71.5 250 31 431.4 37 67 18779 -71.1 247 28 437.7 38 60 19427 -74.1 241 20 445.1 39 56 19839 -64.1 237 14 476.7 40 50 20530 -65.9 230 6 488.2 41 44 21309 -64.7 222 5 509.3 42 35 22728 -58.1 209 5 561.0 43 30 23700 -57.9 200 4 586.8 44 20 26280 -52.7 280 17 674.9 45 18 26958 -53.9 691.7 TRP 114 15728 -78.7 245 72 361.9 WND 217 11792 -48.8 250 95 347.4 Sounding variables and indices 1000-500 mb thick: 5659.00 m Freezing level: 643.53 mb = 3832.72 m = 12574.39 ft Freezing level: 604.58 mb = 4332.98 m = 14215.63 ft Freezing level: 591.32 mb = 4514.07 m = 14809.76 ft Wetbulb zero: 672.24 mb = 3481.34 m = 11421.59 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 77.00 % Est. max temperature: 25.80 C = 78.44 F Sfc-Lift cond lev (LCL): 933.14 mb = 766.61 m = 2515.09 ft T: 16.52 C 700-500 lapse rate: 4.60 C/km ThetaE index: 9.35 C Layer 925.0- 714.0 mb Conv cond level (CCL): 927.49 mb = 818.86 m = 2686.52 ft Mean mixing ratio: 12.42 g/kg Conv temperature: 23.90 C = 75.03 F Cap Strength: 2.87 C Lifted Index: 1.40 C Risk: Showers probable Lifted Index @300 mb: 8.49 C Lifted Index @700 mb: -1.71 C Showalter Index: 4.10 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.10 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 186.60 Risk: None Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 184.61 J/kg Max Up Vert Vel: 19.21 m/s Conv Inhibition (B-): 1.09 J/kg Cap Strength: 2.69 C Lift Cond Lev (LCL): 929.20 mb = 802.98 m = 2634.43 ft Lev Free Conv (LFC): 924.20 mb = 849.30 m = 2786.38 ft Equ Level (EL): 614.20 mb = 4205.20 m = 13796.42 ft B at Equ Level: 183.56 J/kg Max Parcel Lev (MPL): 374.20 mb = 7996.20 m = 26233.95 ft Wind level data Storm motion: 283 at 16 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 1019 7 90 12 -12.0 0.0 | 97 28 -27.4 3.5 1 1000 171 105 17 -16.4 4.4 | 104 33 -31.8 7.9 2 925 842 100 19 -18.7 3.3 | 101 35 -34.1 6.8 3 850 1556 100 10 -9.8 1.7 | 102 26 -25.2 5.2 4 700 3155 265 17 16.9 1.5 | 197 5 1.6 5.0 5 500 5830 260 37 36.4 6.4 | 245 23 21.1 9.9 6 400 7510 240 56 48.5 28.0 | 226 46 33.1 31.5 7 300 9580 250 82 77.1 28.0 | 243 69 61.7 31.5 8 250 10850 250 89 83.6 30.4 | 244 76 68.3 33.9 9 217 11792 250 95 89.3 32.5 | 244 82 73.9 36.0 10 200 12320 245 97 87.9 41.0 | 238 85 72.5 44.5 11 150 14120 250 89 83.6 30.4 | 244 76 68.3 33.9 12 114 15728 245 72 65.3 30.4 | 236 60 49.9 33.9 13 100 16470 250 66 62.0 22.6 | 241 53 46.6 26.1 14 70 18520 250 31 29.1 10.6 | 224 20 13.8 14.1 15 50 20530 230 6 4.6 3.9 | 124 13 -10.8 7.4 16 30 23700 200 4 1.4 3.8 | 117 16 -14.0 7.3 17 20 26280 280 17 16.7 -3.0 | 248 1 1.4 0.6 Wind Parameters Mean winds (0-6000m): 252.8 at 21.0 knts Storm direction: 282.8 at 15.8 knts Shear (0-3000m) pos: 3.7 neg: 1.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 82.5 deg Storm rel helicity (0-3000m) pos: 190.6 neg: -13.2 tot: 177.3 m^2/s^2 ave: 59.1 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 5.2 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 1.06 Bulk Shear: 174.54 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 ------------------------------------------------------------------------------- 500 102 17 103 32| 7.0 0.0 7.0| 27.7 -6.0 21.7 43.4 0.37| 7.7 2.9 1000 101 17 102 33| 3.5 0.7 4.2| 28.0 -13.2 14.7 14.7 0.19| 5.4 1.0 1500 101 16 102 32| 2.3 2.5 4.9| 29.3 -13.2 16.0 10.7 0.13| 5.8 0.7 2000 105 15 104 31| 3.1 1.9 5.0| 92.0 -13.2 78.8 39.4 0.43| 6.7 2.9 2500 114 15 108 30| 3.7 1.5 5.2|156.9 -13.2 143.7 57.5 0.57| 7.8 4.5 3000 117 15 110 30| 3.7 1.3 5.0|190.6 -13.2 177.3 59.1 0.58| 8.9 5.2 4000 167 16 135 27| 3.2 1.4 4.6|202.4 -13.2 189.2 47.3 0.58| 8.0 4.7 5000 244 18 184 12| 2.5 1.9 4.4|210.3 -13.2 197.1 39.4 0.55| 7.2 4.0 6000 253 21 206 11| 2.1 2.2 4.4|215.2 -18.4 196.8 32.8 0.49| 6.7 3.3 Wrote GIF file: /home/apache/climate/data/raob//ROIG/skewt/ROIG.skewt.20251218.12.gif