UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080912.upa.cvt Date: 1200Z 9 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 9 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 1000 81 29.6 23.6 70 6.0 25.2 290 3 302.8 306.2 298.3 358.0 18.65 1 999 90 28.2 21.2 66 7.0 23.2 290 3 301.4 304.4 296.4 348.7 16.06 2 946 569 23.2 20.2 83 3.0 21.1 313 10 301.1 304.0 296.2 348.0 15.95 3 929 727 23.2 17.2 69 6.0 19.1 304 14 302.7 305.1 294.9 342.3 13.41 4 925 765 23.0 17.0 69 6.0 18.9 300 15 302.8 305.3 294.8 342.2 13.29 5 850 1497 18.0 15.3 84 2.7 16.2 295 17 305.0 307.4 295.2 343.8 12.97 6 800 2014 14.8 13.8 94 1.0 14.1 295 12 306.9 309.3 295.4 344.6 12.50 7 710 3021 11.8 7.0 72 4.8 8.8 352 5 314.3 316.0 294.8 342.0 8.89 8 700 3140 11.0 6.4 73 4.6 8.2 340 7 314.7 316.3 294.7 341.7 8.65 9 683 3344 9.6 5.8 77 3.8 7.3 332 7 315.3 317.0 294.8 341.9 8.50 10 678 3404 9.2 5.7 79 3.5 7.1 330 7 315.5 317.2 294.8 342.2 8.51 11 666 3552 9.0 -4.0 40 13.0 2.4 324 7 316.9 317.8 291.9 330.7 4.27 12 661 3614 8.8 -10.2 25 19.0 0.3 321 7 317.4 317.9 290.6 326.1 2.66 13 655 3689 8.0 -2.0 49 10.0 2.7 319 7 317.3 318.3 292.7 333.5 5.05 14 642 3853 7.0 -5.0 42 12.0 1.1 312 6 318.0 318.8 292.0 331.3 4.11 15 634 3956 7.4 -20.6 12 28.0 -2.6 308 6 319.6 319.8 289.9 323.6 1.17 16 627 4047 6.8 -8.2 33 15.0 -0.2 304 6 319.9 320.6 291.9 330.7 3.29 17 614 4218 5.4 -3.6 52 9.0 0.8 298 6 320.2 321.2 293.3 335.7 4.78 18 553 5062 0.0 -12.0 40 12.0 -5.1 249 12 323.6 324.1 292.5 332.8 2.76 19 532 5370 -1.5 -17.5 28 16.0 -7.4 244 14 325.4 325.7 292.2 331.7 1.82 20 500 5860 -4.7 -16.7 38 12.0 -9.2 235 17 327.3 327.7 292.9 334.5 2.07 21 447 6733 -10.1 -21.1 40 11.0 -13.6 236 7 331.2 331.5 293.5 336.8 1.59 22 408 7430 -15.1 -20.1 66 5.0 -16.7 321 3 333.5 333.9 294.4 340.2 1.90 23 400 7580 -16.1 -22.1 60 6.0 -17.9 345 2 334.1 334.4 294.3 339.9 1.63 24 384 7887 -17.5 -25.5 50 8.0 -19.7 326 3 336.1 336.4 294.5 340.7 1.25 25 317 9295 -27.5 -34.5 51 7.0 -28.7 125 19 341.2 341.3 295.2 343.7 0.65 26 300 9690 -30.1 -34.7 64 4.6 -30.9 115 26 343.0 343.1 295.6 345.5 0.67 27 280 10177 -34.1 -36.8 76 2.7 -34.5 107 28 344.0 344.2 295.8 346.3 0.58 28 250 10960 -40.1 -44.3 64 4.2 -40.5 95 30 346.4 346.5 296.1 347.7 0.30 29 200 12440 -52.5 -58.5 48 6.0 -52.7 75 51 349.6 349.6 296.6 349.9 0.07 30 191 12737 -55.1 -63.1 36 8.0 -55.3 75 53 350.1 350.1 296.7 350.3 0.04 31 155 14041 -66.3 -71.1 51 4.8 -66.4 84 63 352.5 352.6 297.2 352.6 0.02 32 150 14240 -67.9 -73.9 42 6.0 -67.9 85 65 353.1 353.1 297.3 353.2 0.01 33 126 15258 -76.5 -81.4 46 4.9 -76.5 81 71 355.6 355.6 297.8 355.6 0.00 34 111 15977 -79.5 -84.5 43 5.0 -79.5 84 72 363.1 363.1 299.3 363.1 0.00 35 109 16080 -77.1 -85.1 27 8.0 -77.1 85 72 369.5 369.5 300.5 369.6 0.00 36 107 16187 -73.5 -84.5 17 11.0 -73.5 90 69 378.3 378.3 302.0 378.3 0.00 37 100 16580 -73.7 -84.7 17 11.0 -73.7 140 39 385.3 385.3 303.1 385.3 0.00 38 84 17605 -74.9 -85.9 17 11.0 -74.9 106 38 402.6 402.6 305.6 402.6 0.00 39 76 18192 -74.3 -87.3 12 13.0 -74.3 89 32 415.5 415.5 307.2 415.6 0.00 40 74 18350 -71.1 -87.1 8 16.0 -71.2 84 30 425.5 425.5 308.3 425.5 0.00 41 70 18680 -72.9 -86.9 10 14.0 -73.0 75 27 428.4 428.4 308.7 428.4 0.00 42 66 19027 -69.9 -87.9 6 18.0 -70.0 77 30 442.2 442.2 310.1 442.2 0.00 43 60 19592 -70.3 -87.3 7 17.0 -70.4 80 35 453.5 453.5 311.2 453.6 0.00 44 56 20005 -66.7 -87.7 4 21.0 -66.9 82 38 470.8 470.8 312.7 470.8 0.00 45 50 20690 -65.7 -88.7 3 23.0 -66.0 85 44 488.7 488.7 314.1 488.7 0.00 46 47 21065 -66.3 -89.3 3 23.0 -66.6 86 45 495.9 495.9 314.7 496.0 0.00 47 41 21900 -62.3 -90.3 1 28.0 -62.9 89 48 525.7 525.7 316.6 525.7 0.00 48 36 22702 -62.3 -91.3 1 29.0 -62.9 91 51 545.6 545.6 317.8 545.6 0.00 49 31 23634 -58.3 -92.3 1 34.0 -59.4 94 54 580.2 580.2 319.7 580.3 0.00 50 30 23840 -58.3 -92.3 1 34.0 -59.4 95 55 585.7 585.7 319.9 585.7 0.00 51 28 24275 -59.3 -93.3 0 34.0 -60.4 95 58 594.6 594.6 320.3 594.6 0.00 52 21 26097 -56.3 -91.3 0 35.0 -58.2 95 69 654.6 654.6 322.9 654.7 0.00 53 20 26410 -54.1 -89.1 1 35.0 -56.5 95 71 670.6 670.6 323.4 670.6 0.01 54 16 27862 -47.3 -84.3 1 37.0 -52.3 89 70 737.0 737.0 325.6 737.1 0.02 55 14 28750 -44.7 -82.7 1 38.0 -51.2 86 70 774.5 774.5 326.6 774.7 0.03 56 11 30349 -48.5 -85.5 1 37.0 -54.3 80 69 816.0 816.0 327.6 816.2 0.02 57 10 30980 -45.3 -83.3 1 38.0 -52.9 85 85 850.5 850.5 328.4 850.8 0.04 58 9.0 31686 -43.2 -81.2 1 38.0 -52.2 90 90 884.5 884.6 329.1 885.1 0.06 59 8.6 31993 -42.3 -80.3 1 38.0 -52.0 899.6 899.7 329.4 900.4 0.07 60 7.8 32661 -36.7 -76.7 1 40.0 -50.1 947.5 947.6 330.3 949.2 0.14 61 6.6 33821 -35.7 -75.7 1 40.0 -50.6 998.1 998.2 331.2 1000.5 0.20 62 6.3 34143 -37.1 -77.1 1 40.0 -51.4 1005.5 1005.6 331.3 1007.5 0.17 63 6.0 34482 -36.1 -76.1 1 40.0 -51.2 1024.0 1024.1 331.6 1026.5 0.21 64 4.9 35873 -41.1 1062.1 TRP 11 30349 -48.5 -85.5 1 37.0 -54.3 80 69 816.0 816.0 327.6 816.2 0.02 WND 9.0 31686 -43.2 -81.2 1 38.0 -52.2 90 90 884.5 884.6 329.1 885.1 0.06 Sounding variables and indices 1000-500 mb thick: 5778.81 m Freezing level: 553.00 mb = 5061.82 m = 16606.82 ft Wetbulb zero: 639.67 mb = 3883.04 m = 12739.48 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 62.47 % Est. max temperature: 31.85 C = 89.33 F Sfc-Lift cond lev (LCL): 917.13 mb = 839.02 m = 2752.65 ft T: 22.49 C 700-500 lapse rate: 5.77 C/km ThetaE index: 15.85 C Layer 999.0- 850.0 mb Conv cond level (CCL): 838.87 mb = 1609.49 m = 5280.40 ft Mean mixing ratio: 14.96 g/kg Conv temperature: 32.27 C = 90.08 F Cap Strength: 2.05 C Lifted Index: -0.33 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.41 C Lifted Index @700 mb: 1.49 C Showalter Index: 0.58 C Risk: Thunderstorms probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.00 C K Index: 33.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 234.60 Risk: None Energy Index: -1.81 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 91.29 J/kg Max Up Vert Vel: 13.51 m/s Conv Inhibition (B-): 156.32 J/kg Cap Strength: 2.05 C Lift Cond Lev (LCL): 881.82 mb = 1178.86 m = 3867.61 ft Lev Free Conv (LFC): 516.82 mb = 5598.77 m = 18368.43 ft Equ Level (EL): 306.82 mb = 9529.07 m = 31262.96 ft B at Equ Level: 89.68 J/kg Max Parcel Lev (MPL): 226.82 mb = 11605.42 m = 38075.06 ft Wind level data Storm motion: 314 at 8 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 1000 81 290 3 2.8 -1.0 | 147 5 -2.9 4.6 1 1000 74 290 3 2.8 -1.0 | 147 5 -2.9 4.6 2 941 610 315 11 7.8 -7.8 | 317 3 2.0 -2.1 3 925 765 300 15 13.0 -7.5 | 285 7 7.2 -1.9 4 878 1219 295 16 14.5 -6.8 | 277 9 8.7 -1.1 5 850 1497 295 17 15.4 -7.2 | 279 10 9.6 -1.6 6 788 2134 295 11 10.0 -4.6 | 257 4 4.2 1.0 7 734 2743 325 7 4.0 -5.7 | 87 2 -1.7 -0.1 8 708 3048 355 5 0.4 -5.0 | 97 5 -5.3 0.6 9 700 3140 340 7 2.4 -6.6 | 74 3 -3.4 -0.9 10 609 4267 295 6 5.4 -2.5 | 174 3 -0.3 3.1 11 586 4572 265 10 10.0 0.9 | 213 8 4.2 6.5 12 544 5182 245 13 11.8 5.5 | 208 13 6.0 11.1 13 504 5791 240 16 13.9 8.0 | 211 16 8.1 13.6 14 500 5860 235 17 13.9 9.8 | 208 17 8.2 15.4 15 485 6096 225 15 10.6 10.6 | 197 17 4.8 16.2 16 466 6401 215 9 5.2 7.4 | 177 13 -0.6 13.0 17 431 7010 255 5 4.8 1.3 | 172 7 -0.9 6.9 18 400 7580 345 2 0.5 -1.9 | 125 6 -5.2 3.7 19 398 7620 330 5 2.5 -4.3 | 112 4 -3.3 1.3 20 382 7925 325 3 1.7 -2.5 | 128 5 -4.0 3.2 21 366 8230 90 6 -6.0 0.0 | 116 13 -11.8 5.6 22 337 8839 135 12 -8.5 8.5 | 135 20 -14.2 14.1 23 300 9690 115 26 -23.6 11.0 | 120 34 -29.3 16.6 24 250 10960 95 30 -29.9 2.6 | 103 37 -35.6 8.2 25 250 10973 100 25 -24.6 4.3 | 108 32 -30.4 10.0 26 238 11278 90 32 -32.0 0.0 | 98 38 -37.8 5.6 27 208 12192 70 48 -45.1 -16.4 | 78 52 -50.9 -10.8 28 200 12440 75 51 -49.3 -13.2 | 82 56 -55.0 -7.6 29 189 12802 75 53 -51.2 -13.7 | 82 58 -57.0 -8.1 30 150 14240 85 65 -64.8 -5.7 | 90 71 -70.5 -0.0 31 140 14630 85 68 -67.7 -5.9 | 90 74 -73.5 -0.3 32 133 14935 80 70 -68.9 -12.2 | 85 75 -74.7 -6.5 33 108 16154 85 72 -71.7 -6.3 | 90 77 -77.5 -0.6 34 100 16580 140 39 -25.1 29.9 | 139 47 -30.8 35.5 35 97 16764 130 47 -36.0 30.2 | 131 55 -41.8 35.8 36 70 18680 75 27 -26.1 -7.0 | 88 32 -31.8 -1.4 37 50 20690 85 44 -43.8 -3.8 | 92 50 -49.6 1.8 38 30 23840 95 55 -54.8 4.8 | 100 61 -60.6 10.4 39 20 26410 95 71 -70.7 6.2 | 99 77 -76.5 11.8 40 11 30349 80 69 -68.0 -12.0 | 85 74 -73.7 -6.4 41 10 30980 85 85 -84.7 -7.4 | 89 90 -90.4 -1.8 Wind Parameters Mean winds (0-6000m): 284.3 at 10.7 knts Storm direction: 314.3 at 8.1 knts Shear (0-3000m) pos: 1.4 neg: 0.6 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -57.9 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -9.4 tot: -4.7 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 23.90 Bulk Shear: 3.82 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 ------------------------------------------------------------------------------- 500 309 7 160 1| 8.0 0.0 8.0| 3.0 0.0 3.0 6.0 0.68| 8.5 5.7 1000 304 11 275 3| 4.0 3.3 7.3| 3.0 -4.5 -1.4 -1.4 0.17| 7.7 1.3 1500 300 13 277 5| 2.7 2.4 5.1| 3.5 -5.5 -2.0 -1.3 0.14| 5.8 0.8 2000 299 13 275 6| 2.0 0.9 3.0| 3.5 -8.9 -5.3 -2.7 0.02| 5.6 0.1 2500 299 12 274 5| 1.5 0.8 2.3| 4.1 -9.0 -4.9 -2.0 0.09| 5.6 0.5 3000 302 11 275 4| 1.4 0.6 2.1| 4.7 -9.4 -4.7 -1.6 0.10| 5.5 0.5 4000 306 10 275 2| 1.1 1.1 2.2| 6.3 -10.4 -4.1 -1.0 0.14| 4.9 0.7 5000 298 10 252 3| 0.9 1.9 2.8| 9.5 -12.0 -2.5 -0.5 0.16| 5.0 0.8 6000 284 11 237 6| 0.7 1.9 2.6| 11.5 -30.8 -19.3 -3.2 0.07| 4.9 0.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250809.12.gif