UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 30 APR 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 1008 18 28.8 22.8 70 6.0 24.4 270 2 301.3 304.5 297.3 353.1 17.60 1 1000 88 28.4 23.7 76 4.7 24.9 295 1 301.5 305.0 298.1 356.9 18.76 2 946 580 24.8 22.7 88 2.1 23.3 61 1 302.7 306.2 298.3 358.1 18.67 3 934 693 25.0 19.0 69 6.0 20.8 58 2 304.0 306.8 296.3 348.6 14.97 4 925 778 24.2 19.3 74 4.9 20.7 50 3 304.1 306.9 296.6 349.9 15.41 5 857 1444 19.6 17.0 85 2.6 17.8 84 6 306.0 308.6 296.4 349.0 14.37 6 850 1515 19.2 16.5 84 2.7 17.4 90 6 306.3 308.9 296.3 348.4 14.03 7 794 2099 16.2 9.2 63 7.0 11.8 123 8 309.1 310.8 293.6 337.3 9.24 8 748 2604 12.0 8.9 81 3.1 10.0 128 7 309.8 311.7 294.1 339.2 9.62 9 712 3016 10.2 -0.8 46 11.0 4.4 130 7 312.3 313.2 291.2 328.2 5.07 10 700 3158 9.4 1.4 57 8.0 5.0 125 7 312.9 314.0 292.2 331.9 6.06 11 696 3206 9.2 1.2 57 8.0 4.8 126 7 313.2 314.3 292.3 332.0 6.01 12 688 3301 9.4 -5.6 34 15.0 2.1 129 6 314.4 315.1 290.6 326.2 3.66 13 681 3386 8.6 -1.4 49 10.0 3.4 132 6 314.5 315.4 291.9 330.5 5.07 14 676 3447 8.6 -8.4 29 17.0 0.8 133 6 315.1 315.7 290.2 324.9 3.00 15 637 3935 5.2 -0.8 65 6.0 2.0 160 5 316.7 317.8 293.0 334.7 5.67 16 632 4000 5.6 -6.4 42 12.0 -0.2 165 5 317.8 318.6 291.7 330.0 3.75 17 610 4289 4.0 -11.0 33 15.0 -2.5 187 6 319.2 319.8 291.2 328.2 2.71 18 596 4477 3.0 -0.5 78 3.5 1.1 201 6 320.2 321.4 294.4 340.2 6.20 19 593 4518 2.8 -2.2 70 5.0 0.2 204 6 320.4 321.5 293.9 338.2 5.50 20 589 4573 3.2 -16.8 21 20.0 -4.4 209 6 321.5 321.9 291.0 327.4 1.74 21 586 4614 2.4 -6.6 51 9.0 -1.9 211 6 321.1 321.8 292.8 334.1 3.98 22 584 4642 2.4 -13.6 30 16.0 -4.1 212 6 321.4 321.8 291.5 329.1 2.29 23 579 4711 2.0 -8.0 47 10.0 -2.6 214 6 321.7 322.4 292.7 333.6 3.62 24 573 4795 1.8 -24.2 12 26.0 -6.5 217 6 322.4 322.6 290.5 325.7 0.94 25 526 5480 -3.1 -11.1 54 8.0 -6.5 191 8 324.5 325.1 293.0 335.0 3.11 26 521 5555 -3.3 -23.3 20 20.0 -9.6 190 8 325.2 325.4 291.5 329.1 1.12 27 517 5616 -3.9 -13.9 46 10.0 -7.9 190 8 325.2 325.7 292.7 333.7 2.53 28 510 5724 -4.1 -21.1 25 17.0 -9.8 190 7 326.2 326.5 292.0 331.1 1.39 29 500 5880 -4.9 -15.9 42 11.0 -9.1 190 7 327.1 327.5 293.0 334.7 2.21 30 498 5911 -5.1 -14.1 49 9.0 -8.7 191 7 327.2 327.7 293.3 336.0 2.58 31 490 6038 -5.1 -23.1 23 18.0 -10.8 194 7 328.7 329.0 292.5 333.0 1.22 32 447 6752 -9.5 -21.5 37 12.0 -13.4 193 10 331.9 332.2 293.7 337.4 1.53 33 444 6803 -9.7 -28.7 20 19.0 -14.7 193 10 332.3 332.5 293.2 335.3 0.81 34 400 7600 -14.1 -33.1 18 19.0 -18.4 190 14 336.7 336.8 294.0 338.9 0.59 35 392 7754 -14.9 -41.9 8 27.0 -19.7 192 13 337.6 337.6 294.0 338.5 0.25 36 388 7832 -15.1 -39.1 11 24.0 -19.7 193 12 338.3 338.4 294.2 339.6 0.33 37 356 8478 -20.1 -45.1 9 25.0 -23.8 204 11 340.0 340.0 294.5 340.8 0.19 38 332 8994 -24.1 -28.9 64 4.8 -25.2 212 9 341.4 341.6 295.6 345.3 1.06 39 328 9082 -23.9 -39.9 21 16.0 -26.5 214 9 342.8 342.9 295.3 344.3 0.36 40 325 9150 -24.1 -46.1 11 22.0 -27.0 215 9 343.5 343.5 295.3 344.2 0.19 41 322 9217 -24.5 -47.5 10 23.0 -27.4 217 9 343.8 343.9 295.4 344.5 0.16 42 300 9730 -28.9 -49.9 11 21.0 -31.0 230 10 344.6 344.7 295.6 345.2 0.13 43 276 10318 -34.1 -52.1 15 18.0 -35.5 239 8 345.5 345.5 295.7 345.9 0.11 44 264 10626 -36.9 -42.9 54 6.0 -37.5 244 6 345.8 345.8 296.0 347.1 0.33 45 250 11000 -39.3 -47.3 42 8.0 -39.9 230 8 347.6 347.7 296.3 348.5 0.21 46 248 11055 -39.5 -48.5 38 9.0 -40.2 230 8 348.1 348.2 296.4 348.9 0.19 47 241 11251 -41.1 -48.1 47 7.0 -41.6 228 9 348.6 348.6 296.5 349.4 0.20 48 235 11422 -42.7 -47.7 58 5.0 -43.0 227 9 348.7 348.7 296.5 349.6 0.22 49 232 11508 -43.3 -53.3 32 10.0 -43.9 226 10 349.1 349.1 296.5 349.6 0.12 50 226 11684 -44.9 -49.7 59 4.8 -45.2 224 10 349.2 349.3 296.6 350.0 0.18 51 205 12329 -50.5 -52.8 76 2.3 -50.6 216 13 350.3 350.3 296.8 350.9 0.14 52 203 12393 -51.1 -58.1 43 7.0 -51.4 213 14 350.4 350.4 296.8 350.7 0.07 53 200 12490 -52.1 -56.7 58 4.6 -52.2 210 15 350.3 350.3 296.8 350.6 0.09 54 197 12587 -53.1 -56.5 66 3.4 -53.2 208 15 350.2 350.2 296.8 350.6 0.09 55 185 12988 -56.3 -64.3 36 8.0 -56.5 200 15 351.4 351.4 297.0 351.5 0.04 56 180 13161 -57.9 -62.0 59 4.1 -58.0 197 14 351.5 351.5 297.0 351.7 0.05 57 166 13664 -62.5 -65.1 71 2.6 -62.6 186 14 352.1 352.1 297.1 352.2 0.04 58 154 14122 -66.5 -69.5 66 3.0 -66.5 189 17 352.9 352.9 297.3 353.0 0.02 59 150 14280 -67.9 -71.1 63 3.2 -67.9 190 18 353.1 353.1 297.3 353.2 0.02 60 104 16401 -82.1 -87.0 43 4.9 -82.1 175 15 365.0 365.0 299.7 365.0 0.00 61 100 16620 -82.5 -87.4 43 4.9 -82.5 165 16 368.3 368.3 300.2 368.3 0.00 62 78 18018 -79.1 -87.1 26 8.0 -79.1 26 19 402.5 402.5 305.5 402.5 0.00 63 70 18630 -80.9 -88.9 25 8.0 -80.9 15 7 411.3 411.3 306.7 411.3 0.00 64 56 19927 -68.5 -89.5 3 21.0 -68.7 20 2 466.7 466.7 312.4 466.7 0.00 65 54 20145 -69.3 -90.3 3 21.0 -69.5 0 4 469.7 469.7 312.6 469.7 0.00 66 52 20373 -63.7 -89.7 2 26.0 -64.0 332 6 487.9 487.9 314.1 487.9 0.00 67 51 20492 -63.9 -89.9 2 26.0 -64.3 317 8 490.1 490.1 314.2 490.1 0.00 TRP 104 16401 -82.1 -87.0 43 4.9 -82.1 175 15 365.0 365.0 299.7 365.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 555.73 mb = 5046.82 m = 16557.60 ft Wetbulb zero: 632.36 mb = 3995.11 m = 13107.15 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 57.90 % Est. max temperature: 33.48 C = 92.26 F Sfc-Lift cond lev (LCL): 924.29 mb = 784.69 m = 2574.41 ft T: 24.15 C 700-500 lapse rate: 5.25 C/km ThetaE index: 12.64 C Layer 857.0- 748.0 mb Conv cond level (CCL): 866.70 mb = 1345.95 m = 4415.79 ft Mean mixing ratio: 17.51 g/kg Conv temperature: 33.23 C = 91.81 F Cap Strength: 1.80 C Lifted Index: -3.57 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.02 C Lifted Index @700 mb: -2.46 C Showalter Index: -1.35 C Risk: Thunderstorms probable Total Totals Index: 45.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.40 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: -2.69 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1273.85 J/kg Max Up Vert Vel: 50.47 m/s Conv Inhibition (B-): 36.41 J/kg Cap Strength: 1.80 C Lift Cond Lev (LCL): 903.56 mb = 982.60 m = 3223.70 ft Lev Free Conv (LFC): 808.56 mb = 1943.21 m = 6375.28 ft Equ Level (EL): 138.56 mb = 14739.54 m = 48357.49 ft B at Equ Level: 1260.61 J/kg Max Parcel Lev (MPL): 78.56 mb = 17978.21 m = 58982.91 ft Wind level data Storm motion: 179 at 4 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 1008 18 270 2 2.0 -0.0 | 335 5 2.0 -4.3 1 1000 88 295 1 0.9 -0.4 | 349 5 1.0 -4.8 2 976 305 20 1 -0.3 -0.9 | 3 5 -0.3 -5.3 3 943 610 65 1 -0.9 -0.4 | 10 5 -0.9 -4.8 4 925 778 50 3 -2.3 -1.9 | 20 7 -2.3 -6.3 5 911 914 40 4 -2.6 -3.1 | 19 8 -2.5 -7.4 6 850 1515 90 6 -6.0 0.0 | 54 7 -6.0 -4.3 7 849 1524 90 6 -6.0 0.0 | 54 7 -6.0 -4.3 8 790 2134 125 8 -6.6 4.6 | 92 7 -6.5 0.3 9 709 3048 130 7 -5.4 4.5 | 92 5 -5.3 0.2 10 700 3158 125 7 -5.7 4.0 | 87 6 -5.7 -0.3 11 658 3658 140 5 -3.2 3.8 | 81 3 -3.2 -0.5 12 588 4572 210 6 3.0 5.2 | 254 3 3.0 0.9 13 566 4877 220 6 3.9 4.6 | 266 4 3.9 0.3 14 525 5486 190 8 1.4 7.9 | 202 4 1.4 3.5 15 500 5880 190 7 1.2 6.9 | 206 3 1.3 2.6 16 486 6096 195 7 1.8 6.8 | 217 3 1.9 2.4 17 400 7600 190 14 2.4 13.8 | 195 10 2.5 9.5 18 399 7620 190 13 2.3 12.8 | 195 9 2.3 8.5 19 325 9144 215 9 5.2 7.4 | 240 6 5.2 3.0 20 300 9730 230 10 7.7 6.4 | 255 8 7.7 2.1 21 262 10668 245 6 5.4 2.5 | 288 6 5.5 -1.8 22 250 11000 230 8 6.1 5.1 | 263 6 6.2 0.8 23 209 12192 220 12 7.7 9.2 | 238 9 7.8 4.9 24 200 12490 210 15 7.5 13.0 | 221 11 7.5 8.7 25 164 13716 185 14 1.2 13.9 | 188 10 1.3 9.6 26 150 14280 190 18 3.1 17.7 | 193 14 3.2 13.4 27 127 15240 155 8 -3.4 7.3 | 131 4 -3.3 2.9 28 104 16401 175 15 -1.3 14.9 | 173 11 -1.3 10.6 29 103 16459 165 11 -2.8 10.6 | 156 7 -2.8 6.3 30 100 16620 165 16 -4.1 15.5 | 160 12 -4.1 11.1 31 74 18288 360 19 -0.0 -19.0 | 360 23 0.0 -23.3 32 70 18630 15 7 -1.8 -6.8 | 9 11 -1.8 -11.1 33 55 19812 20 2 -0.7 -1.9 | 6 6 -0.6 -6.2 34 46 20726 245 14 12.7 5.9 | 263 13 12.7 1.6 Wind Parameters Mean winds (0-6000m): 149.4 at 5.8 knts Storm direction: 179.4 at 4.3 knts Shear (0-3000m) pos: 1.4 neg: 0.6 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 117.1 deg Storm rel helicity (0-3000m) pos: 23.7 neg: -0.3 tot: 23.5 m^2/s^2 ave: 7.8 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 2.3 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 209.47 Bulk Shear: 6.08 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 ------------------------------------------------------------------------------- 500 352 1 358 5| 2.9 0.0 2.9| 4.0 0.0 4.0 7.9 0.95| 3.2 3.1 1000 37 2 11 6| 1.5 1.7 3.2| 7.0 -0.2 6.8 6.8 0.64| 3.7 2.4 1500 60 3 24 6| 2.0 1.1 3.2| 15.2 -0.2 15.0 10.0 0.77| 3.9 3.0 2000 82 4 38 6| 2.2 0.9 3.1| 22.1 -0.2 21.9 10.9 0.82| 3.9 3.2 2500 98 5 52 6| 1.8 0.7 2.5| 23.7 -0.2 23.5 9.4 0.81| 3.4 2.7 3000 107 5 60 6| 1.4 0.6 2.0| 23.7 -0.3 23.5 7.8 0.78| 2.9 2.3 4000 116 5 68 5| 1.0 0.4 1.4| 24.8 -1.3 23.5 5.9 0.64| 2.9 1.8 5000 133 5 81 4| 0.9 0.3 1.2| 26.9 -2.0 24.9 5.0 0.62| 2.9 1.8 6000 149 6 102 3| 0.7 0.4 1.1| 27.4 -5.1 22.2 3.7 0.46| 2.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250430.00.gif