UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 17 OCT 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 1007 20 25.2 22.7 86 2.5 23.4 210 2 297.8 300.9 296.3 348.6 17.50 1 1006 29 27.0 23.9 83 3.1 24.7 194 2 299.6 303.1 297.7 354.9 18.88 2 1000 81 26.6 23.8 85 2.8 24.6 100 3 299.8 303.2 297.7 355.1 18.88 3 925 768 22.6 20.4 87 2.2 21.1 70 19 302.4 305.5 296.9 351.3 16.53 4 850 1503 18.0 17.9 99 0.1 17.9 85 17 305.0 307.9 296.8 350.9 15.36 5 849 1513 18.0 17.6 98 0.4 17.7 85 17 305.1 307.9 296.7 350.2 15.09 6 798 2043 16.6 9.6 63 7.0 12.1 102 19 309.1 310.8 293.8 337.9 9.45 7 700 3149 10.4 5.5 72 4.9 7.5 80 21 314.0 315.6 294.1 339.3 8.12 8 695 3209 10.6 4.6 66 6.0 7.1 79 21 314.9 316.3 294.0 338.9 7.68 9 622 4122 3.8 1.1 83 2.7 2.3 75 17 317.2 318.5 293.9 338.4 6.68 10 578 4716 2.2 -3.8 64 6.0 -0.9 83 15 322.1 323.1 293.9 338.4 5.00 11 574 4772 2.2 -5.8 55 8.0 -1.7 87 15 322.7 323.6 293.6 336.9 4.32 12 500 5870 -6.1 -8.7 82 2.6 -7.3 85 15 325.6 326.4 294.0 338.8 3.97 13 485 6109 -7.5 -8.2 95 0.7 -7.8 85 17 326.7 327.6 294.6 340.9 4.25 14 483 6141 -6.9 -10.3 77 3.4 -8.4 86 17 327.9 328.6 294.3 340.1 3.62 15 479 6206 -6.9 -11.6 69 4.7 -8.9 87 17 328.6 329.3 294.3 339.8 3.29 16 458 6556 -8.7 -15.7 57 7.0 -11.3 96 16 330.6 331.1 294.1 339.1 2.46 17 454 6624 -8.9 -13.8 68 4.9 -10.9 97 16 331.2 331.8 294.6 341.2 2.90 18 452 6659 -8.7 -21.7 34 13.0 -12.9 98 16 331.9 332.2 293.6 337.2 1.49 19 450 6693 -8.7 -17.7 48 9.0 -12.0 99 15 332.3 332.7 294.3 339.7 2.11 20 447 6745 -8.7 -29.7 17 21.0 -14.2 100 15 332.9 333.1 293.2 335.6 0.73 21 443 6815 -8.9 -25.9 24 17.0 -13.9 102 15 333.5 333.7 293.7 337.3 1.05 22 436 6939 -9.9 -17.9 52 8.0 -12.8 104 15 333.8 334.2 294.7 341.4 2.15 23 423 7172 -11.5 -18.5 56 7.0 -14.0 110 14 334.6 335.1 294.8 342.1 2.10 24 421 7209 -11.5 -24.5 33 13.0 -15.3 111 14 335.1 335.4 294.2 339.6 1.25 25 410 7412 -13.1 -19.1 61 6.0 -15.2 116 14 335.6 336.0 295.0 342.9 2.06 26 400 7600 -14.3 -22.3 51 8.0 -16.8 120 13 336.4 336.7 294.8 342.2 1.60 27 394 7714 -14.7 -24.7 42 10.0 -17.6 121 13 337.3 337.6 294.8 342.1 1.31 28 358 8433 -19.5 -26.5 54 7.0 -21.3 125 11 340.3 340.5 295.4 344.8 1.22 29 326 9121 -24.9 -30.9 57 6.0 -26.2 130 10 342.1 342.3 295.6 345.4 0.89 30 318 9301 -26.3 -28.6 81 2.3 -26.8 135 11 342.6 342.8 295.9 346.8 1.14 31 300 9720 -29.1 -33.1 68 4.0 -29.8 150 12 344.4 344.5 296.0 347.4 0.78 32 285 10083 -32.3 -36.0 70 3.7 -32.9 156 14 344.9 345.0 296.0 347.3 0.62 33 250 10990 -39.3 -44.3 59 5.0 -39.8 165 17 347.6 347.7 296.4 348.8 0.30 34 215 12006 -47.7 -52.7 56 5.0 -48.0 169 18 349.9 350.0 296.7 350.5 0.13 35 212 12099 -48.3 -55.3 44 7.0 -48.6 170 18 350.4 350.4 296.8 350.8 0.10 36 200 12480 -51.7 -54.7 70 3.0 -51.8 190 26 350.9 350.9 296.9 351.4 0.11 37 199 12513 -51.9 -54.8 71 2.9 -52.0 190 26 351.1 351.1 297.0 351.6 0.11 38 185 12981 -56.1 -61.1 53 5.0 -56.2 194 26 351.7 351.7 297.0 351.9 0.06 39 170 13513 -60.9 -65.9 52 5.0 -61.0 198 25 352.3 352.3 297.1 352.5 0.03 40 150 14280 -67.5 -73.5 42 6.0 -67.5 175 19 353.8 353.8 297.4 353.9 0.01 41 131 15083 -72.9 -78.9 40 6.0 -72.9 187 9 358.1 358.1 298.3 358.1 0.01 42 116 15789 -76.3 -85.3 23 9.0 -76.3 179 5 364.5 364.5 299.5 364.5 0.00 43 101 16574 -82.1 -86.2 49 4.1 -82.1 30 6 368.1 368.1 300.2 368.1 0.00 44 100 16630 -82.1 -86.4 48 4.3 -82.1 35 7 369.1 369.1 300.4 369.1 0.00 45 87 17410 -82.7 -86.7 50 4.0 -82.7 71 16 382.9 382.9 302.7 382.9 0.00 46 78 18021 -82.1 -88.1 35 6.0 -82.1 98 24 396.3 396.3 304.7 396.3 0.00 47 76 18168 -78.5 -86.5 26 8.0 -78.5 105 26 406.8 406.8 306.1 406.8 0.00 48 71 18558 -76.7 -87.7 16 11.0 -76.7 95 25 418.6 418.6 307.6 418.6 0.00 49 70 18640 -77.1 -89.1 13 12.0 -77.1 90 25 419.4 419.4 307.6 419.4 0.00 50 69 18723 -77.1 -89.1 13 12.0 -77.1 90 25 421.2 421.2 307.9 421.2 0.00 51 65 19075 -66.3 -93.3 1 27.0 -66.5 88 23 452.0 452.0 311.0 452.0 0.00 52 50 20660 -67.5 -91.5 2 24.0 -67.7 85 25 484.4 484.4 313.8 484.4 0.00 53 37 22488 -64.9 -91.9 1 27.0 -65.3 84 33 534.7 534.7 317.2 534.7 0.00 54 33 23198 -58.3 -91.3 1 33.0 -59.3 91 38 570.0 570.0 319.2 570.0 0.00 55 30 23800 -57.3 -89.3 1 32.0 -58.6 100 44 588.4 588.4 320.0 588.5 0.00 56 24 25207 -58.5 -89.5 1 31.0 -59.8 96 42 623.7 623.7 321.6 623.8 0.01 TRP 101 16574 -82.1 -86.2 49 4.1 -82.1 30 6 368.1 368.1 300.2 368.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 554.39 mb = 5063.04 m = 16610.81 ft Wetbulb zero: 589.95 mb = 4550.15 m = 14928.12 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 75.92 % Est. max temperature: 32.21 C = 89.98 F Sfc-Lift cond lev (LCL): 971.38 mb = 336.84 m = 1105.10 ft T: 25.11 C 700-500 lapse rate: 6.06 C/km ThetaE index: 17.19 C Layer 925.0- 700.0 mb Conv cond level (CCL): 895.26 mb = 1052.03 m = 3451.49 ft Mean mixing ratio: 17.53 g/kg Conv temperature: 30.88 C = 87.58 F Cap Strength: 1.15 C Lifted Index: -4.19 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.31 C Lifted Index @700 mb: -0.99 C Showalter Index: -3.48 C Risk: Severe thunderstorms possible Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 24.00 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 263.80 Risk: None Energy Index: -2.43 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 864.01 J/kg Max Up Vert Vel: 41.57 m/s Conv Inhibition (B-): 10.39 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 923.51 mb = 782.05 m = 2565.75 ft Lev Free Conv (LFC): 868.51 mb = 1315.78 m = 4316.82 ft Equ Level (EL): 818.51 mb = 1826.05 m = 5990.90 ft B at Equ Level: 11.36 J/kg Max Parcel Lev (MPL): 88.51 mb = 17313.60 m = 56802.46 ft Wind level data Storm motion: 115 at 13 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 1007 20 210 2 1.0 1.7 | 286 13 12.5 -3.7 1 1000 81 100 3 -3.0 0.5 | 300 10 8.6 -4.9 2 975 305 80 16 -15.8 -2.8 | 27 9 -4.2 -8.2 3 942 610 75 20 -19.3 -5.2 | 36 13 -7.8 -10.6 4 925 768 70 19 -17.9 -6.5 | 28 13 -6.3 -11.9 5 910 914 70 18 -16.9 -6.2 | 25 13 -5.4 -11.6 6 850 1503 85 17 -16.9 -1.5 | 38 9 -5.4 -6.9 7 848 1524 85 17 -16.9 -1.5 | 38 9 -5.4 -6.9 8 789 2134 105 19 -18.4 4.9 | 86 7 -6.8 -0.5 9 708 3048 90 22 -22.0 0.0 | 63 12 -10.5 -5.4 10 700 3149 80 21 -20.7 -3.6 | 45 13 -9.1 -9.1 11 657 3658 75 18 -17.4 -4.7 | 30 12 -5.8 -10.1 12 587 4572 75 16 -15.5 -4.1 | 22 10 -3.9 -9.6 13 565 4877 95 14 -13.9 1.2 | 30 5 -2.4 -4.2 14 524 5486 95 13 -13.0 1.1 | 18 5 -1.4 -4.3 15 500 5870 85 15 -14.9 -1.3 | 27 8 -3.4 -6.7 16 486 6096 85 17 -16.9 -1.5 | 38 9 -5.4 -6.9 17 400 7600 120 13 -11.3 6.5 | 195 1 0.3 1.1 18 399 7620 120 13 -11.3 6.5 | 195 1 0.3 1.1 19 324 9144 130 10 -7.7 6.4 | 255 4 3.9 1.0 20 300 9720 150 12 -6.0 10.4 | 228 7 5.5 5.0 21 262 10668 165 16 -4.1 15.5 | 216 12 7.4 10.0 22 250 10990 165 17 -4.4 16.4 | 213 13 7.1 11.0 23 209 12192 170 18 -3.1 17.7 | 214 15 8.4 12.3 24 200 12480 190 26 4.5 25.6 | 218 26 16.1 20.2 25 164 13716 200 25 8.6 23.5 | 228 27 20.1 18.1 26 150 14280 175 19 -1.7 18.9 | 216 17 9.9 13.5 27 127 15240 190 7 1.2 6.9 | 263 13 12.8 1.5 28 103 16459 165 2 -0.5 1.9 | 288 12 11.0 -3.5 29 101 16574 30 6 -3.0 -5.2 | 321 14 8.5 -10.6 30 100 16630 35 7 -4.0 -5.7 | 326 13 7.5 -11.1 31 75 18288 110 27 -25.4 9.2 | 105 14 -13.8 3.8 32 70 18640 90 25 -25.0 0.0 | 68 15 -13.5 -5.4 33 58 19812 85 21 -20.9 -1.8 | 52 12 -9.4 -7.2 34 50 20660 85 25 -24.9 -2.2 | 60 15 -13.4 -7.6 35 45 21336 80 25 -24.6 -4.3 | 53 16 -13.1 -9.8 36 35 22860 85 35 -34.9 -3.1 | 70 25 -23.3 -8.5 37 30 23800 100 44 -43.3 7.6 | 94 32 -31.8 2.2 38 26 24384 100 44 -43.3 7.6 | 94 32 -31.8 2.2 39 21 25298 90 39 -39.0 0.0 | 79 28 -27.5 -5.4 Wind Parameters Mean winds (0-6000m): 85.1 at 17.0 knts Storm direction: 115.1 at 12.8 knts Shear (0-3000m) pos: 1.5 neg: 4.1 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 136.8 deg Storm rel helicity (0-3000m) pos: 50.2 neg: -16.9 tot: 33.3 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 3.1 10^-3/s Energy-Hel index: 0.26 Bulk Rich Number: 251.78 Bulk Shear: 3.43 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 81 12 3 7| 0.0 20.8 20.8| 30.3 0.0 30.3 60.6 0.73| 21.5 15.6 1000 75 15 20 10| 0.0 9.9 9.9| 32.6 -8.6 24.0 24.0 0.52| 13.3 6.9 1500 77 16 24 10| 1.3 6.6 7.9| 38.1 -8.6 29.4 19.6 0.52| 10.1 5.3 2000 81 17 31 9| 2.3 5.0 7.3| 48.2 -8.6 39.5 19.8 0.58| 9.0 5.2 2500 86 17 40 9| 1.9 4.4 6.2| 50.2 -11.5 38.7 15.5 0.52| 7.9 4.1 3000 88 18 46 9| 1.5 4.1 5.7| 50.2 -16.9 33.3 11.1 0.43| 7.2 3.1 4000 85 18 43 10| 1.2 2.9 4.0| 50.2 -41.2 9.0 2.2 0.21| 6.4 1.4 5000 84 18 40 9| 1.5 2.2 3.7| 52.1 -43.8 8.3 1.7 0.18| 5.9 1.1 6000 85 17 38 9| 1.2 2.1 3.4| 55.4 -44.6 10.9 1.8 0.19| 5.3 1.0 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20251017.00.gif