UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for VT453... Searching the city database file for: VT453 ... Date:1200Z 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 1004 18 34.4 24.4 56 10.0 26.9 200 6 307.2 310.8 299.9 366.2 19.51 1 1000 54 31.6 24.6 67 7.0 26.3 200 6 304.8 308.4 299.5 364.1 19.84 2 957 448 27.8 23.1 76 4.7 24.3 198 5 304.8 308.3 299.0 361.3 18.91 3 925 750 26.6 20.6 70 6.0 22.2 130 2 306.5 309.6 298.1 356.8 16.74 4 863 1361 22.8 13.8 57 9.0 16.7 108 10 308.7 310.9 295.2 343.8 11.57 5 850 1493 21.6 14.6 64 7.0 16.8 110 11 308.8 311.1 295.8 346.4 12.39 6 741 2667 12.8 8.7 76 4.1 10.2 116 12 311.5 313.4 294.6 341.0 9.58 7 733 2758 12.4 6.4 67 6.0 8.8 117 12 312.1 313.6 293.7 337.6 8.26 8 707 3061 12.0 -10.0 20 22.0 2.1 120 12 314.9 315.4 289.7 323.1 2.53 9 700 3145 11.8 -7.2 26 19.0 2.8 120 11 315.6 316.2 290.5 325.9 3.18 10 699 3157 11.8 -7.2 26 19.0 2.8 120 11 315.7 316.3 290.6 326.0 3.18 11 675 3447 8.8 2.8 66 6.0 5.4 132 10 315.5 316.8 293.7 337.4 6.95 12 667 3546 8.4 3.7 72 4.7 5.6 135 9 316.1 317.6 294.3 339.8 7.51 13 663 3595 8.6 -1.4 49 10.0 3.3 137 9 316.9 317.9 292.7 333.5 5.21 14 652 3733 7.8 -6.2 36 14.0 1.0 142 9 317.5 318.2 291.6 329.5 3.69 15 642 3861 6.8 -2.2 53 9.0 2.1 147 8 317.8 318.8 292.8 334.1 5.07 16 624 4094 6.2 -11.8 26 18.0 -1.5 156 8 319.7 320.2 291.1 327.9 2.48 17 588 4579 4.6 -18.4 17 23.0 -4.0 175 6 323.3 323.6 291.3 328.6 1.52 18 566 4888 2.8 -24.2 12 27.0 -6.0 185 6 324.7 324.9 291.2 328.1 0.95 19 500 5880 -3.5 -22.5 21 19.0 -9.7 220 7 328.8 329.0 292.6 333.2 1.26 20 497 5928 -3.9 -22.9 21 19.0 -10.1 221 7 328.8 329.1 292.6 333.2 1.22 21 485 6121 -4.7 -20.7 27 16.0 -10.2 225 7 330.2 330.5 293.2 335.5 1.52 22 450 6709 -6.5 -36.5 7 30.0 -13.5 237 8 335.1 335.1 293.4 336.5 0.37 23 400 7620 -12.9 -34.9 14 22.0 -17.8 255 9 338.2 338.3 294.3 340.1 0.49 24 375 8108 -16.3 -39.3 12 23.0 -20.6 262 8 340.0 340.1 294.6 341.3 0.34 25 352 8579 -20.3 -31.3 37 11.0 -22.7 275 6 340.8 341.0 295.3 343.9 0.79 26 330 9053 -23.9 -36.9 29 13.0 -26.2 287 4 342.2 342.3 295.3 344.2 0.49 27 314 9413 -26.7 -52.7 7 26.0 -29.3 268 4 343.2 343.3 295.2 343.6 0.09 28 306 9598 -27.7 -49.7 10 22.0 -30.0 252 4 344.4 344.4 295.5 344.9 0.13 29 300 9740 -29.1 -38.1 42 9.0 -30.4 240 4 344.4 344.5 295.8 346.2 0.48 30 298 9788 -29.5 -35.5 56 6.0 -30.5 240 4 344.5 344.6 296.0 346.9 0.62 31 290 9982 -30.7 -43.7 27 13.0 -32.3 241 6 345.4 345.5 295.8 346.6 0.27 32 285 10105 -31.7 -40.7 41 9.0 -32.9 242 6 345.7 345.8 296.0 347.3 0.38 33 281 10205 -32.3 -46.3 24 14.0 -33.8 242 7 346.3 346.3 296.0 347.1 0.21 34 272 10435 -34.1 -41.1 49 7.0 -35.0 244 8 346.9 347.0 296.3 348.4 0.39 35 265 10617 -35.5 -53.5 14 18.0 -36.8 245 10 347.4 347.5 296.1 347.9 0.10 36 250 11020 -39.3 -54.3 19 15.0 -40.2 240 12 347.6 347.7 296.2 348.0 0.10 37 226 11703 -44.9 -50.9 51 6.0 -45.3 208 9 349.2 349.3 296.6 349.9 0.16 38 214 12066 -47.3 -59.3 24 12.0 -47.8 191 8 351.0 351.0 296.9 351.3 0.06 39 200 12510 -51.5 -59.5 38 8.0 -51.8 150 9 351.2 351.2 297.0 351.5 0.06 40 194 12707 -53.5 -59.5 48 6.0 -53.7 158 8 351.1 351.1 296.9 351.4 0.06 41 180 13183 -57.5 -66.5 31 9.0 -57.6 177 7 352.2 352.2 297.1 352.3 0.03 42 175 13360 -59.1 -61.9 70 2.8 -59.2 185 6 352.4 352.4 297.2 352.6 0.05 43 174 13396 -59.3 -61.1 79 1.8 -59.3 186 6 352.6 352.6 297.3 352.9 0.06 44 169 13578 -60.3 -65.2 52 4.9 -60.4 194 6 353.9 353.9 297.5 354.1 0.04 45 157 14033 -64.1 -71.1 38 7.0 -64.2 190 10 355.0 355.0 297.7 355.1 0.02 46 150 14310 -66.7 -72.7 42 6.0 -66.7 180 15 355.2 355.2 297.7 355.2 0.01 47 114 15920 -79.5 -83.5 51 4.0 -79.5 268 8 360.4 360.4 298.8 360.4 0.00 48 100 16660 -81.3 -87.3 35 6.0 -81.3 350 12 370.6 370.6 300.7 370.7 0.00 49 89 17305 -84.7 -88.9 47 4.2 -84.7 60 9 376.4 376.4 301.6 376.4 0.00 50 76 18191 -76.7 -86.7 19 10.0 -76.7 74 13 410.5 410.5 306.6 410.5 0.00 51 70 18660 -78.3 -88.3 18 10.0 -78.3 340 2 416.9 416.9 307.3 416.9 0.00 52 53 20283 -70.5 -89.5 4 19.0 -70.6 253 10 469.5 469.5 312.6 469.5 0.00 53 52 20396 -71.1 -90.1 4 19.0 -71.2 267 11 470.6 470.6 312.7 470.6 0.00 54 50 20630 -68.1 -89.1 3 21.0 -68.3 295 12 483.0 483.0 313.7 483.0 0.00 55 43 21546 -62.3 -88.3 2 26.0 -62.8 301 7 518.6 518.6 316.2 518.6 0.00 56 41 21839 -63.3 -88.3 2 25.0 -63.8 282 8 523.2 523.2 316.5 523.2 0.00 57 32 23383 -56.7 -86.7 1 30.0 -57.9 251 6 579.3 579.3 319.6 579.3 0.01 58 30 23790 -58.5 -86.5 2 28.0 -59.6 275 3 585.2 585.2 319.9 585.2 0.01 59 23 25466 -57.1 -86.1 1 29.0 -58.7 32 9 635.5 635.5 322.1 635.5 0.01 TRP 89 17305 -84.7 -88.9 47 4.2 -84.7 60 9 376.4 376.4 301.6 376.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5826.00 m Freezing level: 536.67 mb = 5329.16 m = 17483.91 ft Wetbulb zero: 631.66 mb = 3993.73 m = 13102.62 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 46.75 % Est. max temperature: 35.95 C = 96.71 F Sfc-Lift cond lev (LCL): 870.06 mb = 1288.90 m = 4228.61 ft T: 23.25 C 700-500 lapse rate: 5.59 C/km ThetaE index: 23.24 C Layer 741.0- 700.0 mb Conv cond level (CCL): 830.41 mb = 1692.38 m = 5552.36 ft Mean mixing ratio: 18.10 g/kg Conv temperature: 36.47 C = 97.64 F Cap Strength: 2.59 C Lifted Index: -3.81 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.80 C Lifted Index @700 mb: -1.34 C Showalter Index: 0.76 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 18.10 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 204.20 Risk: None Energy Index: -2.47 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1979.29 J/kg Max Up Vert Vel: 62.92 m/s Conv Inhibition (B-): 61.19 J/kg Cap Strength: 2.59 C Lift Cond Lev (LCL): 875.51 mb = 1233.92 m = 4048.26 ft Lev Free Conv (LFC): 800.51 mb = 2006.05 m = 6581.45 ft Equ Level (EL): 110.51 mb = 16095.32 m = 52805.52 ft B at Equ Level: 1932.67 J/kg Max Parcel Lev (MPL): 70.51 mb = 18618.57 m = 61083.81 ft Wind level data Storm motion: 172 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 1004 18 200 6 2.1 5.6 | 279 3 2.9 -0.4 1 1000 54 200 6 2.1 5.6 | 279 3 2.9 -0.4 2 972 305 205 7 3.0 6.3 | 266 4 3.8 0.3 3 940 610 190 3 0.5 3.0 | 336 3 1.4 -3.1 4 925 750 130 2 -1.5 1.3 | 8 5 -0.7 -4.8 5 908 914 100 5 -4.9 0.9 | 38 7 -4.0 -5.2 6 850 1493 110 11 -10.3 3.8 | 76 10 -9.5 -2.3 7 847 1524 110 11 -10.3 3.8 | 76 10 -9.5 -2.3 8 788 2134 110 11 -10.3 3.8 | 76 10 -9.5 -2.3 9 708 3048 120 12 -10.4 6.0 | 90 10 -9.5 -0.1 10 700 3145 120 11 -9.5 5.5 | 86 9 -8.7 -0.6 11 657 3658 140 9 -5.8 6.9 | 99 5 -4.9 0.8 12 587 4572 175 6 -0.5 6.0 | 286 0 0.4 -0.1 13 566 4877 185 6 0.5 6.0 | 274 1 1.4 -0.1 14 525 5486 220 7 4.5 5.4 | 278 5 5.4 -0.7 15 500 5880 220 7 4.5 5.4 | 278 5 5.4 -0.7 16 486 6096 225 7 4.9 4.9 | 281 6 5.8 -1.1 17 400 7620 255 9 8.7 2.3 | 291 10 9.6 -3.7 18 400 7620 250 10 9.4 3.4 | 285 11 10.3 -2.7 19 325 9144 290 4 3.8 -1.4 | 328 9 4.6 -7.4 20 300 9740 240 4 3.5 2.0 | 313 6 4.3 -4.1 21 263 10668 245 10 9.1 4.2 | 281 10 9.9 -1.9 22 250 11020 240 12 10.4 6.0 | 270 11 11.3 -0.1 23 210 12192 185 7 0.6 7.0 | 239 2 1.5 0.9 24 200 12510 150 9 -4.5 7.8 | 115 4 -3.6 1.7 25 165 13716 200 5 1.7 4.7 | 298 3 2.6 -1.4 26 150 14310 180 15 0.0 15.0 | 186 9 0.9 8.9 27 128 15240 170 15 -2.6 14.8 | 169 9 -1.7 8.7 28 104 16459 350 3 0.5 -3.0 | 351 9 1.4 -9.0 29 100 16660 350 12 2.1 -11.8 | 351 18 3.0 -17.9 30 89 17305 60 9 -7.8 -4.5 | 33 13 -6.9 -10.6 31 75 18288 75 13 -12.6 -3.4 | 51 15 -11.7 -9.4 32 70 18660 340 2 0.7 -1.9 | 349 8 1.6 -8.0 33 57 19812 195 7 1.8 6.8 | 256 3 2.7 0.7 34 50 20630 295 12 10.9 -5.1 | 314 16 11.7 -11.2 35 45 21336 315 7 4.9 -4.9 | 332 12 5.8 -11.0 36 35 22860 220 9 5.8 6.9 | 263 7 6.7 0.8 37 30 23790 275 3 3.0 -0.3 | 329 7 3.9 -6.3 38 26 24384 360 5 -0.0 -5.0 | 355 11 0.9 -11.1 39 18 25908 85 15 -14.9 -1.3 | 62 16 -14.1 -7.4 Wind Parameters Mean winds (0-6000m): 141.8 at 8.2 knts Storm direction: 171.8 at 6.1 knts Shear (0-3000m) pos: 1.1 neg: 1.6 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 170.5 deg Storm rel helicity (0-3000m) pos: 25.1 neg: -0.5 tot: 24.6 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.6 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 275.44 Bulk Shear: 7.19 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 ------------------------------------------------------------------------------- 500 202 6 278 3| 0.0 1.9 1.9| 2.0 -0.5 1.4 2.8 0.51| 3.9 2.0 1000 181 5 322 2| 0.0 4.7 4.7| 10.3 -0.5 9.8 9.8 0.74| 6.2 4.5 1500 141 6 66 3| 1.7 3.1 4.9| 19.6 -0.5 19.1 12.7 0.77| 5.9 4.5 2000 126 7 72 5| 1.3 2.3 3.6| 19.6 -0.5 19.1 9.6 0.77| 4.4 3.4 2500 122 8 73 6| 1.2 1.9 3.0| 22.0 -0.5 21.5 8.6 0.78| 3.7 2.9 3000 120 9 76 7| 1.1 1.6 2.7| 25.1 -0.5 24.6 8.2 0.79| 3.3 2.6 4000 124 9 81 7| 0.8 1.2 2.0| 28.5 -1.3 27.2 6.8 0.65| 3.4 2.2 5000 131 8 85 6| 0.9 0.9 1.8| 28.7 -1.3 27.3 5.5 0.57| 3.3 1.9 6000 142 8 95 4| 1.0 0.8 1.8| 29.6 -1.3 28.3 4.7 0.54| 3.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250430.12.gif