UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102023.upa.cvt Date: 2300Z 20 OCT 25 Searching for VEBS... Searching the city database file for: VEBS ... Date:2300Z 20 OCT 25 Station: VEBS WMO ident: 42971 Latitude: 20.25 Longitude: 85.83 Elevation: 46.00 ------------------------------------------------------------------------------- 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 1006 46 24.4 23.1 92 1.3 23.5 340 5 297.0 300.3 296.4 349.0 17.96 1 1000 98 25.0 23.1 89 1.9 23.6 15 8 298.1 301.4 296.8 350.7 18.07 2 996 133 25.8 23.1 85 2.7 23.9 19 8 299.3 302.6 297.1 352.3 18.15 3 970 366 25.0 23.9 94 1.1 24.2 46 10 300.8 304.3 298.4 358.5 19.60 4 951 540 24.8 20.1 75 4.7 21.5 63 12 302.3 305.2 296.4 348.8 15.76 5 925 783 23.0 21.0 89 2.0 21.6 65 16 302.8 306.0 297.4 353.7 17.17 6 894 1081 20.6 19.4 93 1.2 19.8 72 16 303.3 306.3 296.8 351.0 16.06 7 850 1519 18.2 15.9 86 2.3 16.7 85 14 305.2 307.7 295.6 345.5 13.49 8 811 1920 17.6 9.6 59 8.0 12.6 85 9 308.7 310.4 293.6 337.0 9.29 9 735 2754 13.6 2.6 47 11.0 7.3 105 9 313.1 314.3 292.5 332.8 6.29 10 700 3163 10.6 3.6 62 7.0 6.5 100 10 314.2 315.6 293.4 336.5 7.10 11 677 3441 8.6 3.8 72 4.8 5.8 100 10 315.0 316.4 293.9 338.4 7.45 12 625 4099 5.2 -3.8 52 9.0 0.7 102 9 318.4 319.3 292.6 333.3 4.62 13 601 4418 3.2 -1.5 71 4.7 0.7 100 7 319.7 320.8 293.9 338.1 5.71 14 561 4974 0.0 -7.0 59 7.0 -3.3 94 5 322.3 323.0 293.2 335.5 4.03 15 511 5718 -3.7 -10.7 58 7.0 -6.7 118 7 326.5 327.1 293.7 337.6 3.31 16 502 5858 -3.7 -16.7 36 13.0 -8.6 122 8 328.2 328.6 293.2 335.3 2.06 17 500 5890 -3.9 -15.9 39 12.0 -8.5 125 8 328.3 328.7 293.3 335.9 2.21 18 471 6361 -7.1 -14.1 57 7.0 -9.9 152 7 330.0 330.5 294.1 339.4 2.73 19 441 6873 -10.3 -21.3 40 11.0 -13.9 91 3 332.2 332.5 293.8 337.8 1.58 20 400 7620 -15.5 -17.8 82 2.3 -16.3 185 3 334.8 335.3 295.1 343.2 2.36 21 300 9730 -29.5 -42.5 27 13.0 -31.2 290 9 343.8 343.9 295.5 345.0 0.30 22 250 11000 -40.3 -50.3 33 10.0 -41.0 275 13 346.2 346.2 295.9 346.8 0.15 23 200 12480 -52.7 -63.7 25 11.0 -52.9 260 24 349.3 349.3 296.5 349.5 0.04 24 150 14280 -66.9 -76.9 23 10.0 -67.0 255 24 354.8 354.8 297.7 354.9 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 561.00 mb = 4973.75 m = 16317.89 ft Wetbulb zero: 593.85 mb = 4514.37 m = 14810.74 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 66.81 % Est. max temperature: 32.32 C = 90.18 F Sfc-Lift cond lev (LCL): 987.53 mb = 208.49 m = 684.02 ft T: 25.54 C 700-500 lapse rate: 5.32 C/km ThetaE index: 20.88 C Layer 894.0- 700.0 mb Conv cond level (CCL): 897.27 mb = 1049.29 m = 3442.51 ft Mean mixing ratio: 17.53 g/kg Conv temperature: 30.64 C = 87.14 F Cap Strength: 1.46 C Lifted Index: -2.04 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.74 C Lifted Index @700 mb: -0.79 C Showalter Index: 0.71 C Risk: Thunderstorms probable Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 19.80 C K Index: 31.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.80 Risk: None Energy Index: -1.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1067.04 J/kg Max Up Vert Vel: 46.20 m/s Conv Inhibition (B-): 21.12 J/kg Cap Strength: 1.46 C Lift Cond Lev (LCL): 922.43 mb = 807.33 m = 2648.69 ft Lev Free Conv (LFC): 867.43 mb = 1342.91 m = 4405.83 ft Equ Level (EL): 837.43 mb = 1646.30 m = 5401.19 ft B at Equ Level: 20.36 J/kg Max Parcel Lev (MPL): 737.43 mb = 2726.48 m = 8945.05 ft Wind level data Storm motion: 120 at 7 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 1006 46 340 5 1.7 -4.7 | 316 11 7.7 -8.1 1 1000 98 15 8 -2.1 -7.7 | 341 12 4.0 -11.2 2 977 305 40 9 -5.8 -6.9 | 359 10 0.2 -10.3 3 943 610 70 13 -12.2 -4.4 | 38 10 -6.2 -7.9 4 925 783 65 16 -14.5 -6.8 | 40 13 -8.5 -10.2 5 880 1219 75 16 -15.5 -4.1 | 51 12 -9.4 -7.6 6 850 1519 85 14 -13.9 -1.2 | 60 9 -7.9 -4.7 7 790 2134 85 6 -6.0 -0.5 | 359 4 0.0 -4.0 8 736 2743 105 9 -8.7 2.3 | 67 3 -2.7 -1.1 9 700 3163 100 10 -9.8 1.7 | 66 4 -3.8 -1.7 10 634 3962 100 9 -8.9 1.6 | 56 3 -2.8 -1.9 11 611 4267 105 8 -7.7 2.1 | 51 2 -1.7 -1.4 12 567 4877 80 5 -4.9 -0.9 | 346 4 1.1 -4.3 13 546 5182 135 6 -4.2 4.2 | 246 2 1.8 0.8 14 506 5791 115 7 -6.3 3.0 | 34 1 -0.3 -0.5 15 500 5890 125 8 -6.6 4.6 | 155 1 -0.5 1.1 16 468 6401 155 7 -3.0 6.3 | 227 4 3.1 2.9 17 450 6706 85 4 -4.0 -0.3 | 332 4 2.0 -3.8 18 416 7315 110 2 -1.9 0.7 | 304 5 4.1 -2.8 19 400 7620 185 3 0.3 3.0 | 274 6 6.3 -0.5 20 400 7620 0 0 -0.0 -0.0 | 300 7 6.0 -3.4 21 384 7925 245 3 2.7 1.3 | 284 9 8.7 -2.2 22 368 8230 350 6 1.0 -5.9 | 323 12 7.1 -9.4 23 339 8839 255 4 3.9 1.0 | 284 10 9.9 -2.4 24 312 9449 260 7 6.9 1.2 | 280 13 12.9 -2.2 25 300 9730 290 9 8.5 -3.1 | 294 16 14.5 -6.5 26 286 10058 300 10 8.7 -5.0 | 300 17 14.7 -8.4 27 274 10363 290 16 15.0 -5.5 | 293 23 21.1 -8.9 28 251 10973 280 15 14.8 -2.6 | 286 22 20.8 -6.0 29 250 11000 275 13 13.0 -1.1 | 284 20 19.0 -4.6 30 200 12480 260 24 23.6 4.2 | 269 30 29.7 0.7 31 164 13716 245 26 23.6 11.0 | 256 31 29.6 7.5 32 156 14021 255 29 28.0 7.5 | 263 34 34.0 4.1 33 150 14280 255 24 23.2 6.2 | 265 29 29.2 2.8 34 141 14630 250 23 21.6 7.9 | 261 28 27.6 4.4 35 134 14935 265 16 15.9 1.4 | 275 22 22.0 -2.0 36 128 15240 305 11 9.0 -6.3 | 303 18 15.0 -9.8 37 121 15545 290 6 5.6 -2.1 | 295 13 11.7 -5.5 38 109 16154 165 12 -3.1 11.6 | 200 9 2.9 8.1 39 99 16764 170 21 -3.6 20.7 | 188 17 2.4 17.2 Wind Parameters Mean winds (0-6000m): 89.8 at 9.3 knts Storm direction: 119.8 at 6.9 knts Shear (0-3000m) pos: 3.2 neg: 1.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 110.0 deg Storm rel helicity (0-3000m) pos: 59.5 neg: -8.0 tot: 51.6 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.1 10^-3/s Energy-Hel index: 0.38 Bulk Rich Number: 134.92 Bulk Shear: 7.91 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 40 9 0 11| 13.0 0.0 13.0| 38.6 0.0 38.6 77.2 0.98| 14.3 14.1 1000 58 12 23 11| 8.7 0.0 8.7| 49.2 0.0 49.2 49.2 0.88| 10.1 8.8 1500 66 13 34 11| 5.4 0.0 5.4| 56.4 0.0 56.4 37.6 0.81| 8.3 6.7 2000 70 12 37 10| 4.0 1.7 5.7| 56.4 -6.8 49.6 24.8 0.50| 7.9 3.9 2500 73 11 35 8| 3.5 1.3 4.8| 58.5 -7.9 50.6 20.2 0.48| 7.1 3.4 3000 77 11 38 8| 3.2 1.1 4.3| 59.5 -8.0 51.6 17.2 0.49| 6.3 3.1 4000 83 11 43 7| 2.3 0.9 3.2| 59.5 -8.7 50.9 12.7 0.45| 4.9 2.2 5000 85 10 41 6| 1.8 0.9 2.7| 59.5 -12.0 47.6 9.5 0.28| 4.7 1.3 6000 90 9 43 5| 1.7 0.7 2.4| 60.1 -12.8 47.4 7.9 0.26| 4.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//VEBS/skewt/VEBS.skewt.20251020.23.gif