UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 13 DEC 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 1010 18 24.6 19.6 74 5.0 21.1 0 0 296.9 299.5 293.9 338.4 14.36 1 1000 105 23.8 20.5 82 3.3 21.5 25 4 297.0 299.7 294.6 341.3 15.35 2 974 335 22.2 19.8 86 2.4 20.5 26 11 297.6 300.3 294.6 341.3 15.09 3 962 444 23.2 19.5 80 3.7 20.6 30 11 299.7 302.4 295.1 343.5 14.99 4 925 786 21.6 18.5 83 3.1 19.4 55 10 301.4 304.1 295.4 344.5 14.64 5 850 1517 16.6 16.2 97 0.4 16.3 85 13 303.5 306.1 295.4 344.4 13.76 6 837 1648 15.6 15.4 99 0.2 15.5 88 13 303.8 306.3 295.1 343.3 13.26 7 776 2290 13.2 6.2 62 7.0 9.0 100 10 307.9 309.3 292.1 331.3 7.68 8 705 3092 8.0 7.3 95 0.7 7.6 102 6 310.7 312.4 294.0 338.8 9.14 9 700 3151 8.8 6.2 84 2.6 7.2 105 6 312.2 313.9 294.0 338.6 8.53 10 693 3234 8.6 3.6 71 5.0 5.7 109 6 312.9 314.3 293.1 335.2 7.17 11 679 3403 7.4 5.6 88 1.8 6.3 117 6 313.4 315.0 294.2 339.6 8.43 12 634 3967 5.2 -1.8 61 7.0 1.5 141 6 317.1 318.1 292.8 334.0 5.29 13 628 4045 5.4 -7.6 39 13.0 -0.7 144 6 318.2 318.9 291.5 329.4 3.44 14 608 4309 3.0 0.7 85 2.3 1.7 154 5 318.4 319.7 294.2 339.5 6.64 15 584 4635 1.6 -4.4 64 6.0 -1.4 166 4 320.4 321.4 293.3 335.8 4.73 16 557 5015 -1.3 -1.6 98 0.3 -1.4 176 5 321.4 322.6 294.6 341.2 6.12 17 542 5233 -2.5 -3.5 93 1.0 -3.0 187 5 322.5 323.5 294.4 340.2 5.46 18 536 5321 -2.9 -8.9 63 6.0 -5.6 191 5 323.0 323.7 293.1 335.1 3.64 19 526 5471 -3.9 -4.3 97 0.4 -4.1 199 5 323.6 324.6 294.6 340.9 5.30 20 509 5730 -5.3 -8.5 78 3.2 -6.8 216 6 324.9 325.7 293.9 338.1 3.96 21 500 5870 -6.5 -9.2 81 2.7 -7.7 225 6 325.1 325.9 293.8 337.8 3.81 22 462 6482 -11.7 -11.7 100 0.0 -11.7 243 7 326.1 326.7 293.7 337.4 3.38 23 448 6717 -13.3 -13.6 98 0.3 -13.4 247 7 326.9 327.5 293.6 337.1 2.99 24 441 6837 -13.5 -18.4 67 4.9 -15.1 250 7 328.2 328.6 293.1 335.2 2.03 25 429 7047 -12.1 -19.1 56 7.0 -14.5 254 8 332.5 332.9 294.2 339.5 1.97 26 421 7191 -12.7 -26.7 30 14.0 -16.5 257 8 333.6 333.8 293.6 337.3 1.02 27 400 7580 -15.1 -30.1 27 15.0 -18.7 265 9 335.4 335.5 293.9 338.3 0.78 28 393 7713 -15.5 -35.5 16 20.0 -19.6 256 8 336.5 336.6 293.9 338.3 0.47 29 374 8085 -17.7 -34.7 21 17.0 -21.2 242 7 338.4 338.5 294.4 340.5 0.54 30 358 8409 -20.5 -30.5 40 10.0 -22.7 230 7 338.9 339.1 294.8 342.1 0.84 31 317 9296 -26.9 -48.9 11 22.0 -29.3 212 6 342.0 342.1 295.0 342.6 0.14 32 300 9690 -30.7 -48.7 15 18.0 -32.5 245 5 342.1 342.1 295.0 342.7 0.15 33 297 9761 -31.3 -48.3 17 17.0 -33.0 246 5 342.2 342.3 295.0 342.9 0.16 34 284 10077 -34.1 -43.1 40 9.0 -35.1 251 7 342.6 342.7 295.3 343.8 0.30 35 283 10102 -34.3 -42.3 44 8.0 -35.2 251 7 342.7 342.8 295.3 344.0 0.33 36 281 10151 -34.1 -49.1 21 15.0 -35.4 252 7 343.7 343.7 295.4 344.3 0.16 37 279 10201 -34.3 -43.3 40 9.0 -35.3 253 8 344.1 344.2 295.6 345.3 0.30 38 250 10960 -40.5 -50.5 33 10.0 -41.2 235 12 345.9 345.9 295.8 346.5 0.15 39 239 11263 -43.5 -50.5 46 7.0 -43.9 228 13 345.8 345.8 295.8 346.5 0.16 40 207 12209 -51.1 -63.1 23 12.0 -51.4 205 15 348.4 348.4 296.3 348.6 0.04 41 200 12430 -53.3 -61.3 37 8.0 -53.5 205 16 348.4 348.4 296.3 348.6 0.05 42 188 12826 -56.9 -60.8 61 3.9 -57.0 204 17 348.8 348.8 296.4 349.0 0.06 43 185 12928 -57.3 -65.3 36 8.0 -57.5 203 17 349.7 349.7 296.6 349.9 0.03 44 177 13206 -59.9 -65.9 45 6.0 -60.0 202 18 349.9 349.9 296.7 350.1 0.03 45 172 13384 -61.3 -73.3 19 12.0 -61.4 201 18 350.5 350.5 296.7 350.5 0.01 46 158 13906 -65.9 -70.0 56 4.1 -66.0 200 20 351.3 351.3 296.9 351.4 0.02 47 150 14220 -68.3 -73.3 49 5.0 -68.4 200 22 352.4 352.4 297.2 352.5 0.01 48 130 15062 -75.5 -81.5 38 6.0 -75.5 192 25 354.2 354.3 297.5 354.3 0.00 49 116 15712 -80.3 -88.3 25 8.0 -80.3 183 26 357.1 357.1 298.1 357.1 0.00 50 102 16438 -79.9 -90.9 14 11.0 -79.9 170 25 371.2 371.2 300.8 371.2 0.00 51 100 16550 -80.7 -90.7 17 10.0 -80.7 185 14 371.8 371.8 300.9 371.8 0.00 52 92 17018 -83.7 -92.7 19 9.0 -83.7 165 6 374.8 374.8 301.4 374.8 0.00 53 85 17464 -79.5 -91.5 12 12.0 -79.5 105 6 391.9 391.9 304.0 391.9 0.00 54 78 17950 -82.1 -92.1 16 10.0 -82.1 40 6 396.3 396.3 304.7 396.3 0.00 55 73 18323 -81.9 -90.9 20 9.0 -81.9 7 6 404.3 404.3 305.7 404.3 0.00 56 70 18560 -79.3 -89.3 18 10.0 -79.3 90 5 414.7 414.7 307.1 414.7 0.00 57 57 19751 -71.1 -90.1 4 19.0 -71.2 311 3 458.4 458.4 311.6 458.4 0.00 58 50 20530 -69.1 -91.1 3 22.0 -69.3 110 3 480.7 480.7 313.5 480.7 0.00 59 43 21433 -68.3 -92.3 2 24.0 -68.5 101 11 503.8 503.8 315.2 503.8 0.00 60 39 22026 -63.7 -90.7 1 27.0 -64.1 90 15 529.7 529.7 316.9 529.7 0.00 61 39 22026 -63.7 -90.7 1 27.0 -64.1 90 15 529.7 529.7 316.9 529.7 0.00 TRP 92 17018 -83.7 -92.7 19 9.0 -83.7 165 6 374.8 374.8 301.4 374.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 569.10 mb = 4844.60 m = 15894.15 ft Wetbulb zero: 629.84 mb = 4020.64 m = 13190.90 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 80.67 % Est. max temperature: 30.96 C = 87.72 F Sfc-Lift cond lev (LCL): 938.94 mb = 655.43 m = 2150.35 ft T: 22.21 C 700-500 lapse rate: 5.63 C/km ThetaE index: 13.16 C Layer 850.0- 705.0 mb Conv cond level (CCL): 866.99 mb = 1345.89 m = 4415.58 ft Mean mixing ratio: 14.91 g/kg Conv temperature: 30.75 C = 87.36 F Cap Strength: 2.31 C Lifted Index: -0.89 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.68 C Lifted Index @700 mb: 0.25 C Showalter Index: -1.48 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.70 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 226.40 Risk: None Energy Index: -1.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 121.21 J/kg Max Up Vert Vel: 15.57 m/s Conv Inhibition (B-): 67.88 J/kg Cap Strength: 2.31 C Lift Cond Lev (LCL): 915.15 mb = 878.54 m = 2882.30 ft Lev Free Conv (LFC): 740.15 mb = 2685.20 m = 8809.60 ft Equ Level (EL): 690.15 mb = 3268.40 m = 10722.96 ft B at Equ Level: 30.65 J/kg Max Parcel Lev (MPL): 350.15 mb = 8570.91 m = 28119.45 ft Wind level data Storm motion: 131 at 6 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 1010 18 0 0 -0.0 -0.0 | 311 6 4.4 -3.8 1 1000 105 25 4 -1.7 -3.6 | 340 8 2.7 -7.4 2 977 305 25 11 -4.6 -10.0 | 1 14 -0.3 -13.8 3 944 610 35 12 -6.9 -9.8 | 10 14 -2.5 -13.6 4 925 786 55 10 -8.2 -5.7 | 22 10 -3.8 -9.6 5 911 914 60 10 -8.7 -5.0 | 26 10 -4.3 -8.8 6 850 1517 85 13 -13.0 -1.1 | 60 10 -8.6 -4.9 7 849 1524 85 13 -13.0 -1.1 | 60 10 -8.6 -4.9 8 790 2134 100 11 -10.8 1.9 | 74 7 -6.5 -1.9 9 709 3048 100 6 -5.9 1.0 | 29 3 -1.5 -2.8 10 700 3151 105 6 -5.8 1.6 | 32 3 -1.4 -2.3 11 657 3658 130 7 -5.4 4.5 | 125 1 -1.0 0.7 12 587 4572 165 4 -1.0 3.9 | 269 3 3.3 0.0 13 565 4877 170 5 -0.9 4.9 | 252 4 3.5 1.1 14 524 5486 200 5 1.7 4.7 | 262 6 6.1 0.9 15 500 5870 225 6 4.2 4.2 | 267 9 8.6 0.4 16 485 6096 235 6 4.9 3.4 | 272 9 9.3 -0.4 17 400 7580 265 9 9.0 0.8 | 283 14 13.3 -3.0 18 398 7620 260 8 7.9 1.4 | 281 12 12.3 -2.4 19 323 9144 200 6 2.1 5.6 | 254 7 6.4 1.8 20 300 9690 245 5 4.5 2.1 | 281 9 8.9 -1.7 21 261 10668 260 10 9.8 1.7 | 278 14 14.2 -2.1 22 250 10960 235 12 9.8 6.9 | 258 15 14.2 3.1 23 207 12192 205 15 6.3 13.6 | 228 15 10.7 9.8 24 200 12430 205 16 6.8 14.5 | 226 15 11.1 10.7 25 163 13716 200 19 6.5 17.9 | 218 18 10.9 14.0 26 150 14220 200 22 7.5 20.7 | 215 21 11.9 16.9 27 126 15240 190 26 4.5 25.6 | 202 24 8.9 21.8 28 102 16459 170 25 -4.3 24.6 | 180 21 0.0 20.8 29 100 16550 185 14 1.2 13.9 | 209 12 5.6 10.1 30 92 17018 165 6 -1.6 5.8 | 235 3 2.8 2.0 31 73 18288 355 6 0.5 -6.0 | 333 11 4.9 -9.8 32 70 18560 90 5 -5.0 0.0 | 9 4 -0.6 -3.8 33 57 19812 305 3 2.5 -1.7 | 309 9 6.8 -5.5 34 50 20530 110 3 -2.8 1.0 | 331 3 1.6 -2.8 35 42 21336 100 12 -11.8 2.1 | 77 8 -7.4 -1.7 36 35 22250 75 19 -18.4 -4.9 | 58 16 -14.0 -8.7 Wind Parameters Mean winds (0-6000m): 101.1 at 7.7 knts Storm direction: 131.1 at 5.8 knts Shear (0-3000m) pos: 1.5 neg: 0.5 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 80.5 deg Storm rel helicity (0-3000m) pos: 53.5 neg: -3.8 tot: 49.7 m^2/s^2 ave: 16.6 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 9.97 Bulk Shear: 12.15 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 27 8 357 11| 12.0 0.0 12.0| 21.9 0.0 21.9 43.7 0.70| 13.0 9.1 1000 39 9 8 11| 5.4 0.0 5.4| 36.4 0.0 36.4 36.4 0.70| 9.9 7.0 1500 54 10 21 11| 4.5 0.0 4.5| 49.2 0.0 49.2 32.8 0.76| 8.3 6.4 2000 65 11 32 10| 2.9 0.0 2.9| 52.9 0.0 52.9 26.5 0.74| 7.0 5.2 2500 72 11 39 9| 1.8 0.0 1.8| 53.5 -1.6 51.8 20.7 0.64| 6.2 4.0 3000 76 10 41 8| 1.5 0.5 2.0| 53.5 -3.8 49.7 16.6 0.53| 5.6 3.0 4000 84 9 45 7| 1.0 0.4 1.4| 55.0 -3.8 51.2 12.8 0.56| 4.9 2.8 5000 92 8 48 5| 0.6 0.3 0.9| 55.8 -4.6 51.3 10.3 0.52| 4.4 2.3 6000 101 8 54 4| 0.4 0.2 0.6| 59.5 -4.6 55.0 9.2 0.51| 4.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20251213.00.gif