UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100823.upa.cvt Date: 2300Z 8 OCT 25 Searching for VIDD... Searching the city database file for: VIDD ... Date:2300Z 8 OCT 25 Station: VIDD WMO ident: 42182 Latitude: 28.58 Longitude: 77.20 Elevation: 216.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 107 SFC 981 216 20.2 19.4 95 0.8 19.6 0 0 295.0 297.6 293.5 336.8 14.60 2 979 236 19.6 18.5 93 1.1 18.9 333 0 294.5 297.0 292.8 334.1 13.82 3 978 246 20.0 18.4 91 1.6 18.9 320 0 295.0 297.5 292.9 334.4 13.74 4 977 255 21.0 18.7 87 2.3 19.4 307 0 296.1 298.6 293.4 336.5 14.02 5 956 466 21.2 17.2 78 4.0 18.5 287 7 298.2 300.5 293.3 336.0 13.02 6 925 783 19.6 16.2 81 3.4 17.3 340 11 299.4 301.7 293.4 336.2 12.62 7 850 1504 15.2 10.3 73 4.9 12.1 325 6 302.1 303.8 291.6 329.6 9.29 8 739 2674 7.8 -0.2 57 8.0 3.7 331 9 306.3 307.3 289.3 322.0 5.10 9 734 2730 8.2 -4.8 39 13.0 2.1 330 9 307.4 308.0 288.3 318.7 3.64 10 713 2969 6.0 -1.0 61 7.0 2.4 315 7 307.5 308.4 289.6 322.9 4.99 11 700 3120 5.0 -4.0 52 9.0 0.7 310 11 308.0 308.8 288.9 320.7 4.06 12 688 3261 4.8 -15.2 22 20.0 -2.6 310 13 309.3 309.6 287.1 314.9 1.70 13 638 3870 0.0 -15.0 31 15.0 -5.4 305 15 310.6 311.0 287.6 316.7 1.87 14 589 4507 -2.3 -40.3 4 38.0 -9.9 298 17 315.1 315.2 287.3 315.8 0.19 15 546 5105 -4.7 -45.7 2 41.0 -11.9 292 19 319.2 319.2 288.6 319.6 0.12 16 514 5577 -8.7 -38.7 7 30.0 -14.5 287 20 319.9 319.9 289.0 320.9 0.26 17 500 5790 -10.1 -41.1 6 31.0 -15.6 285 21 320.7 320.8 289.2 321.5 0.21 18 479 6120 -11.9 -44.9 5 33.0 -17.1 279 30 322.5 322.5 289.7 323.0 0.15 19 470 6266 -11.3 -50.3 2 39.0 -16.9 272 32 325.0 325.0 290.3 325.3 0.08 20 438 6804 -14.5 -46.5 5 32.0 -19.2 249 37 327.5 327.6 291.2 328.1 0.13 21 426 7015 -14.7 -50.7 3 36.0 -19.6 248 38 329.9 329.9 291.7 330.2 0.09 22 400 7490 -17.9 -51.9 3 34.0 -22.0 245 42 331.7 331.7 292.3 332.0 0.08 23 364 8187 -22.9 -52.9 5 30.0 -26.0 248 40 334.1 334.1 292.9 334.4 0.08 24 300 9570 -34.5 -60.5 5 26.0 -36.0 255 36 336.7 336.8 293.6 336.9 0.04 25 284 9953 -37.7 -62.7 6 25.0 -38.8 253 38 337.5 337.5 293.7 337.6 0.03 26 250 10830 -42.3 -70.3 3 28.0 -43.2 245 63 343.2 343.2 295.1 343.2 0.01 27 200 12300 -52.4 -74.9 5 22.5 -52.8 235 91 349.8 349.8 296.6 349.8 0.01 28 181 12938 -56.9 -76.9 6 20.0 -57.1 237 84 352.6 352.6 297.2 352.6 0.01 29 150 14110 -63.1 -82.1 6 19.0 -63.2 240 64 361.4 361.4 299.0 361.4 0.00 30 113 15823 -70.9 -85.9 9 15.0 -70.9 255 56 377.3 377.3 301.8 377.3 0.00 31 100 16550 -69.7 -86.7 7 17.0 -69.8 265 30 393.1 393.1 304.2 393.1 0.00 32 70 18690 -66.3 -87.3 4 21.0 -66.5 225 13 442.5 442.5 310.1 442.6 0.00 33 50 20730 -62.9 -91.9 1 29.0 -63.3 350 10 495.3 495.3 314.6 495.3 0.00 34 30 23910 -55.5 -90.5 1 35.0 -57.0 50 8 593.3 593.3 320.3 593.4 0.00 35 20 26510 -54.3 -89.3 1 35.0 -56.7 110 29 670.0 670.0 323.4 670.0 0.01 36 10 31050 -46.7 -83.7 1 37.0 -53.6 335 15 845.2 845.2 328.3 845.6 0.04 TRP 113 15823 -70.9 -85.9 9 15.0 -70.9 255 56 377.3 377.3 301.8 377.3 0.00 WND 200 12300 -52.4 -74.9 5 22.5 -52.8 235 91 349.8 349.8 296.6 349.8 0.01 Sounding variables and indices 1000-500 mb thick: 5683.00 m Freezing level: 638.00 mb = 3869.82 m = 12696.11 ft Wetbulb zero: 697.40 mb = 3150.28 m = 10335.43 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 41.33 % Est. max temperature: 27.96 C = 82.33 F Sfc-Lift cond lev (LCL): 969.83 mb = 326.73 m = 1071.93 ft T: 21.07 C 700-500 lapse rate: 5.66 C/km ThetaE index: 17.46 C Layer 850.0- 713.0 mb Conv cond level (CCL): 838.73 mb = 1615.66 m = 5300.67 ft Mean mixing ratio: 12.46 g/kg Conv temperature: 27.67 C = 81.81 F Cap Strength: 1.87 C Lifted Index: -1.27 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.45 C Lifted Index @700 mb: -1.11 C Showalter Index: 1.31 C Risk: Showers probable Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.40 C K Index: 26.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 156.60 Risk: None Energy Index: -1.52 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 153.40 J/kg Max Up Vert Vel: 17.52 m/s Conv Inhibition (B-): 51.51 J/kg Cap Strength: 1.87 C Lift Cond Lev (LCL): 882.98 mb = 1179.43 m = 3869.47 ft Lev Free Conv (LFC): 767.98 mb = 2352.67 m = 7718.62 ft Equ Level (EL): 467.98 mb = 6298.76 m = 20664.97 ft B at Equ Level: 151.41 J/kg Max Parcel Lev (MPL): 357.98 mb = 8306.48 m = 27251.90 ft Wind level data Storm motion: 331 at 10 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 ---------------------------------------------------------- 0 981 216 0 0 -0.0 -0.0 | 151 10 -4.8 8.7 1 972 305 240 1 0.9 0.5 | 157 10 -4.0 9.2 2 942 610 330 12 6.0 -10.4 | 325 2 1.2 -1.6 3 925 783 340 11 3.8 -10.3 | 34 2 -1.1 -1.6 4 911 914 335 9 3.8 -8.2 | 120 1 -1.0 0.6 5 879 1219 320 6 3.9 -4.6 | 167 4 -1.0 4.1 6 850 1504 325 6 3.4 -4.9 | 160 4 -1.4 3.8 7 848 1524 325 6 3.4 -4.9 | 160 4 -1.4 3.8 8 788 2134 310 5 3.8 -3.2 | 170 6 -1.0 5.5 9 760 2438 335 11 4.6 -10.0 | 9 1 -0.2 -1.2 10 732 2743 330 9 4.5 -7.8 | 161 1 -0.3 0.9 11 706 3048 310 6 4.6 -3.9 | 177 5 -0.2 4.9 12 700 3120 310 11 8.4 -7.1 | 245 4 3.6 1.7 13 680 3353 310 14 10.7 -9.0 | 272 6 5.9 -0.3 14 500 5790 285 21 20.3 -5.4 | 258 16 15.4 3.3 15 500 5791 285 22 21.3 -5.7 | 259 17 16.4 3.0 16 480 6096 280 30 29.5 -5.2 | 262 25 24.7 3.5 17 443 6706 250 36 33.8 12.3 | 234 36 29.0 21.1 18 400 7490 245 42 38.1 17.7 | 231 42 33.2 26.5 19 300 9570 255 36 34.8 9.3 | 239 35 29.9 18.1 20 267 10363 250 40 37.6 13.7 | 236 40 32.8 22.4 21 250 10830 245 63 57.1 26.6 | 236 63 52.3 35.4 22 245 10973 245 62 56.2 26.2 | 236 62 51.4 34.9 23 203 12192 240 87 75.3 43.5 | 233 88 70.5 52.2 24 200 12300 235 91 74.5 52.2 | 229 93 69.7 60.9 25 194 12497 235 91 74.5 52.2 | 229 93 69.7 60.9 26 160 13716 240 70 60.6 35.0 | 232 71 55.8 43.7 27 152 14021 240 65 56.3 32.5 | 231 66 51.5 41.2 28 150 14110 240 64 55.4 32.0 | 231 65 50.6 40.7 29 113 15823 255 56 54.1 14.5 | 245 54 49.3 23.2 30 107 16154 255 58 56.0 15.0 | 245 56 51.2 23.8 31 100 16550 265 30 29.9 2.6 | 246 28 25.1 11.4 32 70 18690 225 13 9.2 9.2 | 194 18 4.4 17.9 33 50 20730 350 10 1.7 -9.8 | 70 3 -3.1 -1.1 34 30 23910 50 8 -6.1 -5.1 | 108 12 -11.0 3.6 35 20 26510 110 29 -27.3 9.9 | 120 37 -32.1 18.7 36 10 31050 335 15 6.3 -13.6 | 343 5 1.5 -4.9 Wind Parameters Mean winds (0-6000m): 301.1 at 13.3 knts Storm direction: 331.1 at 10.0 knts Shear (0-3000m) pos: 0.5 neg: 1.9 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 108.0 deg Storm rel helicity (0-3000m) pos: 29.6 neg: -0.7 tot: 28.9 m^2/s^2 ave: 9.6 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 18.03 Bulk Shear: 8.51 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 ------------------------------------------------------------------------------- 500 328 7 158 3| 0.0 11.7 11.7| 20.3 0.0 20.3 40.7 0.87| 19.6 17.1 1000 331 8 151 2| 0.0 3.1 3.1| 21.9 0.0 21.9 21.9 0.82| 13.1 10.7 1500 328 7 157 3| 0.1 2.1 2.2| 22.3 -0.5 21.8 14.5 0.78| 9.1 7.1 2000 326 7 161 3| 0.1 1.8 1.9| 23.5 -0.5 23.0 11.5 0.74| 7.6 5.6 2500 327 7 160 3| 0.6 1.4 2.0| 23.8 -0.5 23.3 9.3 0.53| 7.7 4.0 3000 325 7 167 3| 0.5 1.9 2.4| 29.6 -0.7 28.9 9.6 0.55| 8.1 4.5 4000 318 9 218 2| 0.4 2.0 2.4| 31.3 -1.7 29.5 7.4 0.51| 6.7 3.4 5000 310 11 246 4| 0.3 1.9 2.2| 31.3 -5.7 25.6 5.1 0.45| 5.8 2.6 6000 301 13 254 7| 0.2 2.7 2.9| 36.3 -26.7 9.6 1.6 0.32| 6.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//VIDD/skewt/VIDD.skewt.20251008.23.gif