UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for VEBS... Searching the city database file for: VEBS ... Date:2300Z 18 APR 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 1002 46 24.4 21.5 84 2.9 22.3 0 0 297.4 300.3 295.4 344.7 16.32 1 1001 55 24.4 21.8 85 2.6 22.6 298 2 297.5 300.5 295.7 345.7 16.65 2 1000 64 25.0 21.8 82 3.2 22.7 235 4 298.1 301.2 295.8 346.6 16.66 3 997 90 25.6 21.3 77 4.3 22.5 237 6 299.0 302.0 295.8 346.2 16.20 4 957 451 25.2 20.5 75 4.7 21.8 242 21 302.1 305.1 296.5 349.5 16.06 5 929 712 24.2 20.9 82 3.3 21.8 227 25 303.7 306.8 297.5 354.2 16.98 6 925 750 24.2 20.0 77 4.2 21.2 225 26 304.1 307.0 297.1 352.0 16.11 7 897 1019 26.0 13.0 45 13.0 17.4 222 20 308.6 310.6 294.5 340.6 10.55 8 869 1297 25.6 6.6 30 19.0 14.0 224 15 311.0 312.3 292.4 332.8 7.05 9 850 1490 23.8 8.8 38 15.0 14.3 235 14 311.1 312.7 293.6 336.9 8.39 10 761 2445 16.2 9.2 63 7.0 11.7 285 13 312.9 314.7 295.0 342.7 9.65 11 709 3044 12.4 -3.6 33 16.0 4.2 340 22 315.1 315.9 291.2 328.3 4.13 12 700 3151 11.6 -5.4 30 17.0 3.2 340 24 315.3 316.0 290.9 327.1 3.65 13 605 4343 0.0 -7.0 59 7.0 -3.2 340 22 315.4 316.1 291.0 327.4 3.74 14 603 4370 -0.3 -9.3 51 9.0 -4.1 340 21 315.3 315.9 290.4 325.5 3.13 15 600 4410 0.6 -17.4 25 18.0 -5.8 340 21 316.8 317.1 289.5 322.3 1.63 16 590 4545 1.6 -37.4 4 39.0 -7.5 340 21 319.5 319.6 288.9 320.5 0.26 17 551 5091 -2.7 -41.7 3 39.0 -10.5 351 22 320.7 320.7 289.2 321.4 0.18 18 531 5384 -1.9 -41.9 3 40.0 -10.2 358 22 325.1 325.1 290.5 325.8 0.18 19 500 5860 -4.5 360 23 327.6 20 433 6977 -13.3 -44.3 5 31.0 -18.3 333 21 330.1 330.2 291.9 330.8 0.17 21 428 7065 -14.1 -44.1 6 30.0 -18.9 331 21 330.2 330.2 292.0 330.9 0.18 22 422 7173 -12.9 -47.9 4 35.0 -18.3 328 21 333.1 333.1 292.7 333.6 0.12 23 400 7580 -15.3 -51.3 3 36.0 -20.2 345 31 335.1 335.1 293.2 335.4 0.08 24 358 8407 -20.3 -54.3 3 34.0 -24.1 329 40 339.2 339.2 294.2 339.5 0.07 25 300 9690 -29.3 -62.3 3 33.0 -31.6 320 41 344.1 344.1 295.3 344.2 0.03 26 261 10665 -36.9 -66.9 3 30.0 -38.3 315 31 346.9 346.9 296.0 347.0 0.02 27 250 10960 -39.3 -67.3 4 28.0 -40.5 305 29 347.6 347.6 296.1 347.7 0.02 28 233 11442 -42.3 -67.3 5 25.0 -43.2 301 26 350.2 350.2 296.7 350.2 0.02 29 223 11738 -44.7 -53.7 36 9.0 -45.2 295 26 350.9 350.9 296.9 351.4 0.11 30 213 12045 -47.5 -53.5 50 6.0 -47.8 288 25 351.2 351.2 297.0 351.7 0.12 31 200 12460 -50.9 -56.9 49 6.0 -51.1 285 26 352.2 352.2 297.2 352.5 0.09 32 192 12723 -53.3 -59.3 48 6.0 -53.5 285 25 352.5 352.5 297.2 352.7 0.07 33 187 12891 -54.5 -65.5 25 11.0 -54.7 285 24 353.2 353.2 297.4 353.3 0.03 34 169 13527 -60.1 -68.1 34 8.0 -60.2 285 20 354.2 354.3 297.5 354.4 0.02 35 151 14220 -64.1 -78.1 13 14.0 -64.2 285 16 359.0 359.0 298.5 359.0 0.01 36 150 14260 -64.3 -78.3 13 14.0 -64.4 285 16 359.3 359.3 298.5 359.3 0.01 37 114 15889 -75.7 -83.7 27 8.0 -75.7 253 9 367.4 367.4 300.1 367.5 0.00 38 100 16640 -78.1 -86.1 26 8.0 -78.1 360 8 376.8 376.8 301.7 376.8 0.00 39 78 18039 -84.7 -89.7 41 5.0 -84.7 295 12 390.9 390.9 303.9 390.9 0.00 40 70 18640 -83.1 -89.1 34 6.0 -83.1 335 15 406.6 406.6 306.1 406.6 0.00 41 69 18721 -83.1 -89.1 34 6.0 -83.1 342 15 408.3 408.3 306.3 408.3 0.00 42 66 18974 -76.9 -87.9 16 11.0 -76.9 5 14 427.0 427.0 308.5 427.0 0.00 43 62 19337 -74.9 -85.9 17 11.0 -75.0 36 14 439.1 439.1 309.8 439.1 0.00 44 58 19725 -76.9 -87.9 16 11.0 -76.9 70 13 443.1 443.1 310.2 443.1 0.00 45 52 20364 -71.7 -87.7 7 16.0 -71.8 125 12 469.2 469.2 312.5 469.3 0.00 46 51 20480 -67.5 -88.5 4 21.0 -67.7 135 12 481.7 481.7 313.6 481.7 0.00 47 50 20600 -67.1 -88.1 4 21.0 -67.3 145 12 485.4 485.4 313.9 485.4 0.00 48 41 21805 -65.3 -92.3 1 27.0 -65.7 114 17 518.2 518.2 316.2 518.2 0.00 49 36 22613 -57.1 -91.1 1 34.0 -58.2 94 21 559.1 559.1 318.6 559.1 0.00 50 30 23770 -56.5 -91.5 0 35.0 -57.9 65 26 590.6 590.6 320.2 590.6 0.00 51 29 23985 -56.9 -90.9 1 34.0 -58.2 68 27 595.3 595.3 320.4 595.3 0.00 52 20 26380 -49.3 -85.3 1 36.0 -53.0 100 33 685.3 685.3 324.0 685.4 0.01 53 19 26718 -48.9 -85.9 1 37.0 -52.9 100 34 696.6 696.6 324.3 696.7 0.01 54 18 27072 -50.9 -86.9 1 36.0 -54.4 100 34 701.2 701.2 324.5 701.3 0.01 55 15 28273 -46.9 -83.9 1 37.0 -52.3 100 37 752.0 752.0 326.0 752.2 0.02 56 13 29235 -41.3 -80.3 1 39.0 -49.7 100 39 802.8 802.8 327.3 803.3 0.05 57 12 29783 -37.7 -77.7 1 40.0 -48.3 100 40 834.2 834.2 328.1 835.0 0.08 58 10 31040 -38.7 -77.7 1 39.0 -49.7 100 42 875.1 875.1 329.0 876.1 0.10 59 9.2 31611 -40.1 -79.1 1 39.0 -50.7 890.9 890.9 329.2 891.7 0.08 60 6.4 34110 -35.9 -75.9 1 40.0 -50.8 1006.1 1006.2 331.3 1008.5 0.20 61 5.8 34793 -36.7 -76.7 1 40.0 -51.7 1031.3 1031.5 331.7 1033.7 0.19 62 5.2 35555 -33.7 -78.7 0 45.0 -51.4 1077.6 1077.7 332.3 1079.5 0.16 TRP 78 18039 -84.7 -89.7 41 5.0 -84.7 295 12 390.9 390.9 303.9 390.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 605.00 mb = 4343.12 m = 14248.90 ft Freezing level: 602.00 mb = 4382.92 m = 14379.47 ft Freezing level: 575.49 mb = 4747.84 m = 15576.72 ft Wetbulb zero: 652.21 mb = 3729.00 m = 12234.09 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 38.91 % Est. max temperature: 38.10 C = 100.58 F Sfc-Lift cond lev (LCL): 960.83 mb = 416.02 m = 1364.86 ft T: 25.24 C 700-500 lapse rate: 5.94 C/km ThetaE index: 21.39 C Layer 925.0- 850.0 mb Conv cond level (CCL): 765.52 mb = 2393.73 m = 7853.34 ft Mean mixing ratio: 15.71 g/kg Conv temperature: 39.79 C = 103.63 F Cap Strength: 7.30 C Lifted Index: -1.18 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.37 C Lifted Index @700 mb: 1.27 C Showalter Index: 3.57 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 28.30 C Cross Totals Index: 13.30 C K Index: 20.10 Risk: 20-40 % 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+): 475.73 J/kg Max Up Vert Vel: 30.85 m/s Conv Inhibition (B-): 340.32 J/kg Cap Strength: 7.14 C Lift Cond Lev (LCL): 884.30 mb = 1143.88 m = 3752.85 ft Lev Free Conv (LFC): 669.30 mb = 3517.56 m = 11540.40 ft Equ Level (EL): 259.30 mb = 10709.58 m = 35135.98 ft B at Equ Level: 473.86 J/kg Max Parcel Lev (MPL): 139.30 mb = 14699.14 m = 48224.95 ft Wind level data Storm motion: 348 at 15 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 1002 46 0 0 -0.0 -0.0 | 168 15 -3.0 14.3 1 1000 64 235 4 3.3 2.3 | 181 17 0.3 16.6 2 973 305 250 19 17.9 6.5 | 216 26 14.9 20.8 3 925 750 225 26 18.4 18.4 | 205 36 15.4 32.7 4 877 1219 220 15 9.6 11.5 | 195 27 6.7 25.8 5 850 1490 235 14 11.5 8.0 | 201 24 8.5 22.3 6 761 2438 285 13 12.6 -3.4 | 221 15 9.6 10.9 7 734 2743 340 17 5.8 -16.0 | 300 3 2.9 -1.7 8 700 3151 340 24 8.2 -22.6 | 327 10 5.3 -8.2 9 587 4572 340 21 7.2 -19.7 | 322 7 4.2 -5.4 10 524 5486 360 22 -0.0 -22.0 | 21 8 -3.0 -7.7 11 500 5860 360 23 -0.0 -23.0 | 19 9 -3.0 -8.7 12 466 6401 345 20 5.2 -19.3 | 336 5 2.2 -5.0 13 414 7315 325 21 12.0 -17.2 | 288 10 9.1 -2.9 14 400 7580 345 31 8.0 -29.9 | 342 16 5.1 -15.6 15 398 7620 345 27 7.0 -26.1 | 341 12 4.0 -11.8 16 366 8230 330 40 20.0 -34.6 | 320 27 17.0 -20.3 17 300 9690 320 41 26.4 -31.4 | 306 29 23.4 -17.1 18 272 10363 325 33 18.9 -27.0 | 309 20 16.0 -12.7 19 250 10960 305 29 23.8 -16.6 | 276 21 20.8 -2.3 20 250 10973 310 28 21.4 -18.0 | 281 19 18.5 -3.7 21 208 12192 285 24 23.2 -6.2 | 248 22 20.2 8.1 22 200 12460 285 26 25.1 -6.7 | 251 23 22.2 7.6 23 150 14260 285 16 15.5 -4.1 | 231 16 12.5 10.2 24 148 14326 295 20 18.1 -8.5 | 249 16 15.2 5.9 25 134 14935 240 15 13.0 7.5 | 205 24 10.0 21.8 26 121 15545 265 13 13.0 1.1 | 213 18 10.0 15.4 27 114 15850 255 9 8.7 2.3 | 199 18 5.7 16.6 28 109 16154 220 3 1.9 2.3 | 176 17 -1.0 16.6 29 100 16640 360 8 -0.0 -8.0 | 155 7 -3.0 6.3 30 98 16764 350 8 1.4 -7.9 | 166 7 -1.6 6.4 31 78 18039 295 12 10.9 -5.1 | 221 12 7.9 9.2 32 70 18640 335 15 6.3 -13.6 | 258 3 3.4 0.7 33 50 20600 145 12 -6.9 9.8 | 158 26 -9.8 24.1 34 30 23770 65 26 -23.6 -11.0 | 97 27 -26.5 3.3 35 20 26380 100 33 -32.5 5.7 | 119 41 -35.4 20.0 36 10 31040 100 42 -41.4 7.3 | 116 49 -44.3 21.6 Wind Parameters Mean winds (0-6000m): 318.3 at 19.5 knts Storm direction: 348.3 at 14.6 knts Shear (0-3000m) pos: 6.1 neg: 3.3 tot: 9.3 10-3/s Storm rel Dir Shear (0-3000m): 156.3 deg Storm rel helicity (0-3000m) pos: 158.5 neg: -91.4 tot: 67.1 m^2/s^2 ave: 22.4 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 13.3 stream: 4.6 10^-3/s Energy-Hel index: 0.37 Bulk Rich Number: 7.86 Bulk Shear: 60.52 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 ------------------------------------------------------------------------------- 500 244 16 208 24| 0.0 23.4 23.4| 80.5 -16.2 64.3 128.7 0.54| 25.9 14.1 1000 233 19 206 29| 0.0 9.8 9.8| 80.5 -77.5 3.0 3.0 0.18| 19.5 3.5 1500 231 18 203 28| 2.4 6.5 8.9|100.7 -91.4 9.2 6.1 0.17| 15.9 2.7 2000 235 17 205 26| 3.3 4.9 8.2|124.5 -91.4 33.0 16.5 0.23| 13.5 3.1 2500 242 16 207 25| 4.6 3.9 8.5|144.8 -91.4 53.3 21.3 0.28| 12.8 3.6 3000 255 17 215 23| 6.1 3.3 9.3|158.5 -91.4 67.1 22.4 0.34| 13.3 4.6 4000 286 18 238 17| 4.6 2.5 7.0|159.5 -92.4 67.0 16.8 0.33| 10.5 3.4 5000 304 19 254 13| 3.9 2.0 5.9|166.4 -93.0 73.3 14.7 0.35| 8.9 3.1 6000 318 19 271 10| 3.4 1.8 5.2|173.1 -97.4 75.7 12.6 0.34| 8.0 2.7 Wrote GIF file: /home/apache/climate/data/raob//VEBS/skewt/VEBS.skewt.20250418.23.gif