UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081212.upa.cvt Date: 1200Z 12 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 12 AUG 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 64 320 4 SFC 999 73 28.0 24.3 80 3.7 25.3 320 4 301.2 304.8 298.4 358.7 19.49 2 993 126 26.4 23.1 82 3.3 24.0 313 7 300.2 303.5 297.4 353.6 18.21 3 948 534 22.4 21.4 94 1.0 21.7 300 18 300.1 303.2 296.7 350.4 17.17 4 925 748 21.6 18.5 83 3.1 19.4 310 20 301.4 304.1 295.4 344.5 14.64 5 861 1370 18.0 13.6 75 4.4 15.1 306 23 303.9 306.0 293.8 338.0 11.44 6 850 1481 17.4 13.8 79 3.6 15.0 305 23 304.4 306.6 294.1 339.4 11.75 7 764 2387 12.6 11.0 90 1.6 11.6 300 25 308.6 310.7 294.7 341.6 10.86 8 721 2874 11.2 5.2 67 6.0 7.6 300 26 312.2 313.7 293.3 336.2 7.72 9 710 3002 10.4 7.0 79 3.4 8.3 300 26 312.7 314.4 294.4 340.3 8.89 10 705 3062 10.6 3.6 62 7.0 6.5 300 26 313.6 314.9 293.2 335.6 7.05 11 700 3121 10.0 5.0 71 5.0 7.1 300 26 313.6 315.1 293.8 338.0 7.84 12 673 3447 8.4 4.6 77 3.8 6.1 299 25 315.3 316.8 294.4 340.2 7.93 13 620 4120 4.4 -3.6 56 8.0 0.4 296 23 318.2 319.1 292.6 333.5 4.73 14 595 4454 2.2 -2.1 73 4.3 -0.0 298 21 319.4 320.5 293.6 337.2 5.52 15 567 4842 0.0 -8.0 55 8.0 -3.7 306 20 321.3 322.0 292.6 333.4 3.69 16 545 5158 -1.5 -9.5 54 8.0 -5.1 312 18 323.1 323.8 292.9 334.5 3.41 17 526 5440 -3.3 -6.9 76 3.6 -5.0 317 17 324.3 325.1 294.0 338.6 4.34 18 518 5562 -3.7 -10.7 58 7.0 -6.7 320 16 325.2 325.9 293.4 336.2 3.27 19 500 5840 -5.9 -12.9 58 7.0 -8.7 325 15 325.8 326.4 293.2 335.4 2.83 20 479 6173 -8.1 -9.8 88 1.7 -8.8 331 10 327.2 327.9 294.3 339.9 3.80 21 448 6688 -9.9 -15.9 61 6.0 -12.2 319 10 331.2 331.7 294.3 339.8 2.47 22 433 6949 -11.3 -15.9 69 4.6 -13.0 304 12 332.7 333.2 294.7 341.6 2.56 23 426 7073 -11.9 -19.9 51 8.0 -14.6 295 12 333.5 333.8 294.3 340.0 1.85 24 400 7550 -15.3 -23.3 50 8.0 -17.7 255 3 335.1 335.4 294.4 340.4 1.46 25 384 7857 -17.7 -27.7 41 10.0 -20.2 274 5 335.9 336.1 294.2 339.6 1.02 26 354 8462 -21.9 -26.5 66 4.6 -23.1 252 5 338.1 338.4 295.0 342.7 1.24 27 302 9613 -30.5 -33.1 78 2.6 -31.0 154 17 341.7 341.9 295.4 344.7 0.78 28 300 9660 -30.9 -33.5 78 2.6 -31.3 155 18 341.8 342.0 295.4 344.7 0.75 29 265 10530 -37.5 -41.3 68 3.8 -37.9 101 22 344.5 344.6 295.7 346.1 0.39 30 259 10688 -38.5 -45.5 48 7.0 -39.1 103 24 345.3 345.4 295.8 346.3 0.25 31 250 10930 -40.9 -47.9 47 7.0 -41.4 105 28 345.3 345.3 295.7 346.1 0.20 32 200 12410 -52.3 -58.3 48 6.0 -52.5 80 56 349.9 350.0 296.7 350.3 0.07 33 150 14200 -67.9 -73.9 42 6.0 -67.9 75 75 353.1 353.1 297.3 353.2 0.01 34 143 14485 -70.5 -75.5 48 5.0 -70.5 74 78 353.4 353.4 297.4 353.5 0.01 35 132 14956 -74.1 -79.1 46 5.0 -74.1 71 83 355.2 355.2 297.7 355.2 0.01 36 120 15513 -73.2 -81.9 26 8.7 -73.2 90 109 366.7 366.7 299.9 366.7 0.00 37 119 15562 -73.1 -82.1 24 9.0 -73.1 91 109 367.7 367.7 300.2 367.7 0.00 38 100 16570 -77.3 -85.3 27 8.0 -77.3 105 47 378.4 378.4 302.0 378.4 0.00 39 92 17048 -79.3 -87.3 26 8.0 -79.3 140 22 383.6 383.6 302.8 383.6 0.00 40 88 17305 -72.7 -84.7 15 12.0 -72.8 129 24 401.7 401.7 305.5 401.7 0.00 41 71 18567 -73.7 -86.7 12 13.0 -73.7 74 36 425.0 425.0 308.3 425.0 0.00 42 70 18650 -72.5 -86.5 10 14.0 -72.6 70 37 429.3 429.3 308.7 429.3 0.00 43 61 19469 -66.3 -86.3 4 20.0 -66.5 76 35 460.3 460.3 311.8 460.3 0.00 44 58 19773 -67.7 -87.7 4 20.0 -67.9 78 34 463.8 463.8 312.1 463.9 0.00 45 55 20094 -65.3 -88.3 3 23.0 -65.5 81 33 476.4 476.4 313.2 476.5 0.00 46 51 20551 -67.3 -91.3 2 24.0 -67.5 84 32 482.2 482.2 313.6 482.2 0.00 47 50 20670 -66.7 -91.7 2 25.0 -67.0 85 32 486.3 486.3 314.0 486.3 0.00 48 40 22019 -66.9 -92.9 1 26.0 -67.2 87 45 517.9 517.9 316.2 517.9 0.00 49 32 23388 -60.3 -94.3 0 34.0 -61.2 89 58 569.6 569.6 319.2 569.6 0.00 50 30 23790 -60.9 -93.9 1 33.0 -61.7 90 62 578.6 578.6 319.6 578.6 0.00 51 22 25734 -57.9 -91.9 1 34.0 -59.5 90 70 641.2 641.2 322.3 641.2 0.00 52 20 26340 -54.5 -89.5 1 35.0 -56.8 90 72 669.4 669.4 323.4 669.4 0.01 53 17 27389 -52.7 -88.7 1 36.0 -55.8 88 73 707.0 707.0 324.7 707.0 0.01 54 14 28667 -45.1 -83.1 1 38.0 -51.5 85 75 773.1 773.1 326.5 773.3 0.03 55 11 30294 -41.7 -80.7 1 39.0 -50.6 81 76 840.7 840.7 328.2 841.2 0.05 56 10 30940 -42.3 -80.3 1 38.0 -51.3 80 77 861.6 861.7 328.7 862.3 0.06 57 7.5 32876 -44.5 -82.5 1 38.0 -53.7 926.6 926.7 329.9 927.2 0.06 58 6.4 33941 -43.1 -81.1 1 38.0 -53.8 975.6 975.6 330.8 976.5 0.09 59 5.3 35220 -40.3 1042.2 TRP 92 17048 -79.3 -87.3 26 8.0 -79.3 140 22 383.6 383.6 302.8 383.6 0.00 WND 120 15513 -73.2 -81.9 26 8.7 -73.2 90 109 366.7 366.7 299.9 366.7 0.00 Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 567.00 mb = 4842.00 m = 15885.64 ft Wetbulb zero: 597.37 mb = 4421.84 m = 14507.17 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 73.29 % Est. max temperature: 31.18 C = 88.13 F Sfc-Lift cond lev (LCL): 947.28 mb = 540.54 m = 1773.39 ft T: 22.38 C 700-500 lapse rate: 5.85 C/km ThetaE index: 20.79 C Layer 993.0- 850.0 mb Conv cond level (CCL): 888.75 mb = 1094.95 m = 3592.32 ft Mean mixing ratio: 16.33 g/kg Conv temperature: 29.55 C = 85.18 F Cap Strength: 0.97 C Lifted Index: -2.52 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.86 C Lifted Index @700 mb: -0.27 C Showalter Index: 1.11 C Risk: Showers probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 19.70 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.60 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 544.45 J/kg Max Up Vert Vel: 33.00 m/s Conv Inhibition (B-): 12.00 J/kg Cap Strength: 0.97 C Lift Cond Lev (LCL): 915.04 mb = 841.91 m = 2762.15 ft Lev Free Conv (LFC): 850.04 mb = 1480.55 m = 4857.40 ft Equ Level (EL): 220.04 mb = 11776.52 m = 38636.41 ft B at Equ Level: 542.82 J/kg Max Parcel Lev (MPL): 120.04 mb = 15510.61 m = 50887.22 ft Wind level data Storm motion: 333 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 ---------------------------------------------------------- 0 999 73 320 4 2.6 -3.1 | 157 12 -4.6 10.9 1 973 305 290 15 14.1 -5.1 | 218 11 6.9 8.8 2 925 748 310 20 15.3 -12.9 | 262 8 8.1 1.1 3 850 1481 305 23 18.8 -13.2 | 266 12 11.7 0.8 4 846 1524 300 23 19.9 -11.5 | 259 13 12.7 2.4 5 700 3121 300 26 22.5 -13.0 | 266 15 15.3 0.9 6 607 4267 295 22 19.9 -9.3 | 250 14 12.8 4.6 7 500 5840 325 15 8.6 -12.3 | 221 2 1.4 1.7 8 484 6096 330 11 5.5 -9.5 | 159 5 -1.7 4.4 9 465 6401 335 7 3.0 -6.3 | 151 9 -4.2 7.6 10 429 7010 300 13 11.3 -6.5 | 209 8 4.1 7.4 11 400 7550 255 3 2.9 0.8 | 164 15 -4.3 14.7 12 396 7620 270 5 5.0 -0.0 | 171 14 -2.2 13.9 13 365 8230 280 4 3.9 -0.7 | 166 14 -3.2 13.2 14 336 8839 200 8 2.7 7.5 | 168 22 -4.4 21.5 15 322 9144 195 12 3.1 11.6 | 171 26 -4.1 25.5 16 309 9449 150 15 -7.5 13.0 | 151 31 -14.7 26.9 17 300 9660 155 18 -7.6 16.3 | 154 34 -14.8 30.3 18 296 9754 155 18 -7.6 16.3 | 154 34 -14.8 30.3 19 271 10363 100 19 -18.7 3.3 | 124 31 -25.9 17.2 20 250 10930 105 28 -27.0 7.2 | 122 40 -34.2 21.2 21 248 10973 105 23 -22.2 6.0 | 124 35 -29.4 19.9 22 237 11278 105 31 -29.9 8.0 | 121 43 -37.1 22.0 23 216 11887 90 42 -42.0 0.0 | 106 51 -49.2 13.9 24 207 12192 85 49 -48.8 -4.3 | 100 57 -56.0 9.7 25 200 12410 80 56 -55.1 -9.7 | 94 62 -62.3 4.2 26 170 13411 75 67 -64.7 -17.3 | 87 72 -71.9 -3.4 27 162 13716 75 72 -69.5 -18.6 | 87 77 -76.7 -4.7 28 150 14200 75 75 -72.4 -19.4 | 86 80 -79.6 -5.5 29 126 15240 70 86 -80.8 -29.4 | 80 89 -88.0 -15.5 30 120 15513 90 109 -109.0 0.0 | 97 117 -116.2 13.9 31 113 15850 95 106 -105.6 9.2 | 102 115 -112.8 23.2 32 107 16154 100 95 -93.6 16.5 | 107 105 -100.7 30.4 33 100 16570 105 47 -45.4 12.2 | 116 59 -52.6 26.1 34 92 17048 140 22 -14.1 16.9 | 145 37 -21.3 30.8 35 70 18650 70 37 -34.8 -12.7 | 92 42 -41.9 1.3 36 50 20670 85 32 -31.9 -2.8 | 106 41 -39.1 11.2 37 30 23790 90 62 -62.0 0.0 | 101 71 -69.2 13.9 38 20 26340 90 72 -72.0 0.0 | 100 80 -79.2 13.9 39 10 30940 80 77 -75.8 -13.4 | 90 83 -83.0 0.6 Wind Parameters Mean winds (0-6000m): 302.8 at 20.9 knts Storm direction: 332.8 at 15.7 knts Shear (0-3000m) pos: 0.7 neg: 3.3 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 109.2 deg Storm rel helicity (0-3000m) pos: 51.4 neg: -4.8 tot: 46.6 m^2/s^2 ave: 15.5 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.2 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 66.23 Bulk Shear: 8.22 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 ------------------------------------------------------------------------------- 500 296 13 210 9| 0.0 14.7 14.7| 36.3 0.0 36.3 72.6 0.89| 16.7 14.9 1000 304 17 235 8| 2.0 7.3 9.3| 44.4 0.0 44.4 44.4 0.86| 10.8 9.3 1500 304 19 247 9| 1.3 5.7 7.0| 45.1 -4.8 40.3 26.9 0.67| 8.5 5.8 2000 303 20 252 10| 1.0 4.5 5.5| 47.2 -4.8 42.4 21.2 0.67| 6.7 4.5 2500 302 21 255 11| 0.8 3.8 4.6| 49.3 -4.8 44.5 17.8 0.67| 5.5 3.7 3000 302 22 257 11| 0.7 3.3 4.0| 51.4 -4.8 46.6 15.5 0.67| 4.8 3.2 4000 301 22 258 12| 0.5 2.1 2.6| 51.4 -17.9 33.6 8.4 0.48| 4.0 1.9 5000 301 22 257 12| 0.8 1.7 2.5| 53.7 -20.4 33.3 6.7 0.39| 4.0 1.6 6000 303 21 256 11| 1.2 1.4 2.6| 53.7 -24.3 29.3 4.9 0.21| 4.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250812.12.gif