UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081112.upa.cvt Date: 1200Z 11 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 11 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 ------------------------------------------------------------------------------- SFC 1001 70 27.4 24.2 83 3.2 25.0 320 3 300.5 304.0 298.2 357.3 19.33 1 1000 79 27.2 24.5 85 2.7 25.2 0 0 300.4 304.0 298.4 358.3 19.71 2 973 321 24.2 22.7 91 1.5 23.1 280 11 299.7 303.0 297.2 352.8 18.13 3 925 764 22.0 17.8 77 4.2 19.1 290 16 301.8 304.4 295.1 343.1 14.00 4 850 1493 17.4 13.4 77 4.0 14.8 290 18 304.4 306.5 294.0 338.5 11.44 5 804 1968 15.0 12.2 83 2.8 13.2 288 15 306.7 308.8 294.4 340.4 11.18 6 757 2478 12.6 8.3 75 4.3 9.9 286 13 309.4 311.1 293.6 337.3 9.12 7 744 2623 12.4 3.4 54 9.0 7.3 285 12 310.8 312.0 292.0 331.1 6.58 8 706 3063 10.0 6.9 81 3.1 8.1 293 7 312.8 314.5 294.4 340.3 8.88 9 700 3134 10.0 5.4 73 4.6 7.2 295 6 313.6 315.1 294.0 338.7 8.06 10 693 3218 10.0 1.0 54 9.0 5.0 289 7 314.5 315.6 292.6 333.2 5.95 11 691 3242 9.8 1.8 57 8.0 5.3 288 7 314.5 315.7 292.9 334.4 6.32 12 684 3327 10.0 -6.0 32 16.0 2.2 282 8 315.6 316.3 290.9 327.2 3.57 13 662 3598 8.4 -1.6 49 10.0 3.1 257 6 316.8 317.8 292.6 333.2 5.14 14 633 3969 7.2 -12.8 23 20.0 -1.3 284 8 319.5 320.0 290.9 327.1 2.25 15 626 4061 7.0 -16.0 18 23.0 -2.1 287 9 320.3 320.7 290.6 326.2 1.75 16 619 4153 6.2 -6.8 39 13.0 -0.0 289 10 320.4 321.1 292.4 332.6 3.71 17 553 5069 0.0 -12.0 40 12.0 -5.1 298 18 323.6 324.1 292.5 332.8 2.76 18 500 5870 -5.9 -17.9 38 12.0 -10.2 295 26 325.8 326.2 292.3 332.3 1.87 19 490 6028 -6.9 -19.9 35 13.0 -11.2 295 24 326.5 326.8 292.3 332.1 1.61 20 455 6601 -11.3 -17.3 61 6.0 -13.4 295 18 328.0 328.4 293.2 335.5 2.16 21 420 7212 -14.5 -18.8 70 4.3 -15.9 269 8 331.5 331.9 294.0 338.7 2.06 22 400 7580 -17.1 -23.1 60 6.0 -18.8 160 16 332.8 333.1 293.9 338.1 1.49 23 354 8489 -22.5 -32.5 40 10.0 -24.5 121 24 337.3 337.5 294.3 340.0 0.70 24 345 8679 -23.1 -37.1 27 14.0 -25.5 113 26 339.0 339.1 294.5 340.8 0.46 25 325 9114 -26.3 -32.3 57 6.0 -27.5 103 32 340.4 340.6 295.1 343.4 0.78 26 300 9690 -30.1 -34.6 65 4.5 -30.9 75 24 343.0 343.1 295.6 345.6 0.68 27 299 9714 -30.1 -34.8 64 4.7 -30.9 77 25 343.3 343.4 295.7 345.9 0.67 28 257 10763 -39.7 -42.5 75 2.8 -40.0 63 23 344.3 344.4 295.7 345.7 0.35 29 250 10950 -41.1 -44.8 67 3.7 -41.4 60 22 345.0 345.0 295.8 346.1 0.28 30 224 11689 -47.3 -53.3 50 6.0 -47.6 82 25 346.5 346.5 296.0 347.0 0.12 31 200 12430 -53.7 -58.7 54 5.0 -53.8 90 44 347.7 347.7 296.2 348.0 0.07 32 150 14210 -68.9 -72.2 62 3.3 -68.9 85 73 351.4 351.4 297.0 351.5 0.01 33 124 15325 -77.1 -81.1 53 4.0 -77.1 90 83 356.2 356.2 298.0 356.2 0.00 34 116 15708 -76.0 -81.5 41 5.6 -76.0 90 106 365.1 365.1 299.7 365.1 0.00 35 100 16570 -73.5 -82.5 24 9.0 -73.5 115 48 385.7 385.7 303.2 385.7 0.00 36 96 16810 -71.5 -83.5 15 12.0 -71.6 110 51 394.2 394.2 304.4 394.2 0.00 37 90 17188 -73.9 -83.9 20 10.0 -73.9 108 47 396.7 396.7 304.8 396.7 0.00 38 72 18494 -72.5 -85.5 12 13.0 -72.6 101 33 425.8 425.8 308.4 425.9 0.00 39 70 18660 -71.5 -84.5 13 13.0 -71.6 100 31 431.4 431.4 309.0 431.4 0.00 40 67 18921 -68.5 -83.5 10 15.0 -68.7 100 31 443.4 443.4 310.2 443.4 0.01 41 57 19885 -70.3 -83.3 13 13.0 -70.4 100 30 460.3 460.3 311.8 460.3 0.01 42 56 19991 -68.1 -84.1 8 16.0 -68.3 100 30 467.6 467.6 312.4 467.6 0.01 43 53 20320 -69.5 -82.5 13 13.0 -69.6 100 29 471.8 471.8 312.8 471.8 0.01 44 50 20670 -66.5 -82.5 9 16.0 -66.7 100 29 486.8 486.8 314.0 486.8 0.01 45 44 21446 -66.7 -83.7 7 17.0 -67.0 101 37 504.4 504.4 315.2 504.5 0.01 46 41 21878 -62.9 -81.9 6 19.0 -63.4 102 41 524.2 524.2 316.6 524.3 0.01 47 30 23820 -59.7 -88.7 1 29.0 -60.6 105 61 581.9 581.9 319.8 581.9 0.00 48 24 25237 -53.3 -86.3 1 33.0 -55.6 94 63 638.8 638.8 322.3 638.9 0.01 49 20 26410 -53.7 -87.7 1 34.0 -56.2 85 64 671.8 671.8 323.5 671.9 0.01 50 17 27457 -54.5 -87.5 1 33.0 -57.1 85 66 701.2 701.2 324.5 701.3 0.01 51 12 29719 -49.5 -85.5 1 36.0 -54.6 85 71 792.4 792.4 327.1 792.5 0.02 52 10 30940 -40.5 -79.5 1 39.0 -50.5 85 73 868.4 868.4 328.8 869.1 0.07 53 9.7 31148 -39.3 -78.3 1 39.0 -50.1 880.5 880.5 329.1 881.4 0.09 54 9.0 31663 -37.5 -77.5 1 40.0 -49.7 906.5 906.5 329.5 907.7 0.11 55 7.6 32821 -41.1 -77.1 1 36.0 -52.0 936.8 936.9 330.1 938.4 0.14 56 6.8 33580 -39.3 -78.3 1 39.0 -51.8 974.6 974.7 330.8 976.1 0.13 57 6.3 34102 -40.7 -78.7 1 38.0 -52.8 990.2 990.3 331.1 991.7 0.13 58 6.0 34433 -41.7 -78.7 1 37.0 -53.4 999.8 999.9 331.2 1001.4 0.14 59 5.3 35281 -37.7 -78.7 1 41.0 -52.6 1053.8 1053.9 332.0 1055.7 0.15 TRP 124 15325 -77.1 -81.1 53 4.0 -77.1 90 83 356.2 356.2 298.0 356.2 0.00 WND 116 15708 -76.0 -81.5 41 5.6 -76.0 90 106 365.1 365.1 299.7 365.1 0.00 Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 553.00 mb = 5069.40 m = 16631.70 ft Wetbulb zero: 641.38 mb = 3860.11 m = 12664.25 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 58.99 % Est. max temperature: 31.28 C = 88.30 F Sfc-Lift cond lev (LCL): 956.03 mb = 474.98 m = 1558.30 ft T: 23.44 C 700-500 lapse rate: 5.81 C/km ThetaE index: 19.79 C Layer 973.0- 804.0 mb Conv cond level (CCL): 880.76 mb = 1186.51 m = 3892.69 ft Mean mixing ratio: 16.22 g/kg Conv temperature: 30.24 C = 86.43 F Cap Strength: 1.29 C Lifted Index: -2.46 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.00 C Lifted Index @700 mb: -0.22 C Showalter Index: 1.52 C Risk: Showers probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 19.30 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 222.80 Risk: None Energy Index: -1.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 578.25 J/kg Max Up Vert Vel: 34.01 m/s Conv Inhibition (B-): 17.57 J/kg Cap Strength: 1.29 C Lift Cond Lev (LCL): 911.76 mb = 888.34 m = 2914.45 ft Lev Free Conv (LFC): 846.76 mb = 1525.64 m = 5005.32 ft Equ Level (EL): 686.76 mb = 3293.20 m = 10804.34 ft B at Equ Level: 27.36 J/kg Max Parcel Lev (MPL): 106.76 mb = 16190.45 m = 53117.63 ft Wind level data Storm motion: 321 at 11 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 1001 70 320 3 1.9 -2.3 | 141 8 -4.8 5.9 1 1000 79 0 0 -0.0 -0.0 | 141 11 -6.7 8.2 2 975 305 280 11 10.8 -1.9 | 213 8 4.1 6.3 3 925 764 290 16 15.0 -5.5 | 252 9 8.3 2.7 4 850 1493 290 18 16.9 -6.2 | 259 10 10.2 2.1 5 733 2743 285 11 10.6 -2.8 | 216 7 3.9 5.4 6 700 3134 295 6 5.4 -2.5 | 167 6 -1.3 5.7 7 681 3353 280 8 7.9 -1.4 | 190 7 1.2 6.8 8 656 3658 250 6 5.6 2.1 | 174 10 -1.1 10.3 9 632 3962 285 8 7.7 -2.1 | 189 6 1.0 6.2 10 587 4572 300 14 12.1 -7.0 | 257 6 5.4 1.2 11 500 5870 295 26 23.6 -11.0 | 279 17 16.9 -2.8 12 431 7010 295 13 11.8 -5.5 | 242 6 5.1 2.7 13 414 7315 255 5 4.8 1.3 | 169 10 -1.9 9.5 14 400 7580 160 16 -5.5 15.0 | 152 26 -12.2 23.3 15 398 7620 160 14 -4.8 13.2 | 152 24 -11.5 21.4 16 337 8839 105 28 -27.0 7.2 | 115 37 -33.7 15.5 17 310 9449 100 37 -36.4 6.4 | 109 46 -43.1 14.6 18 300 9690 75 24 -23.2 -6.2 | 94 30 -29.9 2.0 19 297 9754 80 27 -26.6 -4.7 | 96 33 -33.3 3.5 20 250 10950 60 22 -19.1 -11.0 | 84 26 -25.8 -2.8 21 249 10973 50 29 -22.2 -18.6 | 70 31 -28.9 -10.4 22 227 11582 80 22 -21.7 -3.8 | 99 29 -28.4 4.4 23 217 11887 85 30 -29.9 -2.6 | 99 37 -36.6 5.6 24 200 12430 90 44 -44.0 0.0 | 99 51 -50.7 8.2 25 198 12497 85 40 -39.8 -3.5 | 96 47 -46.5 4.7 26 188 12802 95 49 -48.8 4.3 | 103 57 -55.5 12.5 27 179 13106 95 47 -46.8 4.1 | 103 55 -53.5 12.3 28 162 13716 85 62 -61.8 -5.4 | 92 69 -68.5 2.8 29 150 14210 85 73 -72.7 -6.4 | 91 79 -79.4 1.9 30 140 14630 85 74 -73.7 -6.4 | 91 80 -80.4 1.8 31 124 15325 90 83 -83.0 0.0 | 95 90 -89.7 8.2 32 119 15545 90 82 -82.0 0.0 | 95 89 -88.7 8.2 33 116 15708 90 106 -106.0 0.0 | 94 113 -112.7 8.2 34 107 16154 95 97 -96.6 8.5 | 99 105 -103.3 16.7 35 100 16570 115 48 -43.5 20.3 | 120 58 -50.2 28.5 36 97 16764 110 51 -47.9 17.4 | 115 60 -54.6 25.7 37 70 18660 100 31 -30.5 5.4 | 110 40 -37.2 13.6 38 50 20670 100 29 -28.6 5.0 | 111 38 -35.3 13.3 39 30 23820 105 61 -58.9 15.8 | 110 70 -65.6 24.0 40 20 26410 85 64 -63.8 -5.6 | 92 71 -70.5 2.6 41 10 30940 85 73 -72.7 -6.4 | 91 79 -79.4 1.9 Wind Parameters Mean winds (0-6000m): 290.8 at 14.1 knts Storm direction: 320.8 at 10.6 knts Shear (0-3000m) pos: 0.5 neg: 1.2 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 34.3 deg Storm rel helicity (0-3000m) pos: 23.2 neg: -19.9 tot: 3.2 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 0.6 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 154.92 Bulk Shear: 3.73 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 ------------------------------------------------------------------------------- 500 282 9 199 7| 0.0 11.9 11.9| 15.4 -1.1 14.3 28.5 0.74| 14.1 10.4 1000 287 12 229 7| 1.6 5.9 7.6| 21.6 -1.1 20.4 20.4 0.76| 8.7 6.6 1500 288 14 241 8| 1.1 4.2 5.3| 23.2 -1.9 21.3 14.2 0.72| 6.3 4.5 2000 288 15 244 8| 0.8 2.5 3.3| 23.2 -7.1 16.0 8.0 0.52| 5.5 2.8 2500 288 14 242 8| 0.6 1.5 2.1| 23.2 -12.1 11.0 4.4 0.35| 5.0 1.8 3000 288 14 238 7| 0.5 1.2 1.8| 23.2 -19.9 3.2 1.1 0.12| 5.0 0.6 4000 286 12 224 7| 0.7 1.1 1.9| 32.8 -25.5 7.3 1.8 0.15| 5.4 0.8 5000 289 12 230 7| 1.0 1.2 2.3| 44.4 -25.5 18.9 3.8 0.26| 5.3 1.4 6000 291 14 244 7| 0.9 1.4 2.3| 48.8 -28.3 20.5 3.4 0.23| 5.3 1.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250811.12.gif