UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050500.upa.cvt Date: 0000Z 5 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 5 MAY 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 4 24.6 23.9 96 0.7 24.1 20 2 297.2 300.6 297.0 351.8 18.86 1 1001 57 24.4 23.7 96 0.7 23.9 110 3 297.5 300.9 297.0 351.8 18.74 2 1000 66 24.6 23.4 93 1.2 23.8 125 3 297.8 301.1 296.9 351.2 18.41 3 996 101 26.0 23.3 85 2.7 24.0 134 4 299.5 302.8 297.3 353.3 18.38 4 984 209 26.4 24.6 90 1.8 25.1 161 7 300.9 304.6 298.8 360.4 20.17 5 980 245 26.4 24.4 89 2.0 24.9 170 7 301.3 305.0 298.8 360.3 20.00 6 925 755 23.0 20.3 85 2.7 21.1 210 10 302.8 305.9 297.0 351.5 16.42 7 884 1150 21.2 17.0 77 4.2 18.3 198 7 304.9 307.5 295.8 346.5 13.92 8 850 1490 19.2 15.9 81 3.3 17.0 195 5 306.3 308.8 295.9 346.8 13.49 9 700 3141 10.8 7.9 82 2.9 9.0 85 15 314.4 316.3 295.4 344.3 9.60 10 636 3935 6.2 2.8 79 3.4 4.2 73 16 318.0 319.4 294.7 341.4 7.39 11 550 5118 1.4 -3.5 70 4.9 -1.2 97 11 325.7 326.8 295.1 343.5 5.38 12 500 5880 -3.9 -6.2 84 2.3 -5.0 80 12 328.3 329.2 295.4 344.4 4.82 13 459 6552 -8.3 -12.2 73 3.9 -9.9 87 13 330.9 331.6 294.8 342.1 3.27 14 436 6950 -11.1 -11.9 94 0.8 -11.5 94 14 332.3 333.0 295.4 344.4 3.53 15 400 7610 -14.1 -17.6 75 3.5 -15.3 105 15 336.7 337.2 295.6 345.2 2.40 16 388 7840 -15.7 -23.7 50 8.0 -18.0 104 15 337.5 337.8 295.0 342.8 1.46 17 377 8056 -16.9 -20.6 73 3.7 -18.1 108 15 338.7 339.1 295.7 345.8 1.97 18 369 8217 -17.7 -25.7 50 8.0 -19.9 112 15 339.7 340.0 295.4 344.4 1.28 19 362 8360 -18.5 -26.5 49 8.0 -20.6 114 15 340.5 340.8 295.5 345.0 1.21 20 347 8673 -21.3 -25.1 71 3.8 -22.3 120 16 340.9 341.2 295.8 346.2 1.44 21 343 8758 -21.9 -26.9 64 5.0 -23.2 122 16 341.2 341.5 295.7 345.8 1.23 22 339 8845 -22.5 -24.9 81 2.4 -23.1 124 16 341.5 341.8 296.0 347.0 1.50 23 331 9019 -23.3 -30.3 53 7.0 -24.8 127 16 342.8 343.0 295.8 346.3 0.93 24 327 9108 -24.1 -28.1 69 4.0 -25.1 129 16 342.9 343.1 296.0 347.2 1.16 25 320 9265 -25.1 -31.1 57 6.0 -26.3 133 15 343.6 343.8 296.0 347.0 0.89 26 300 9730 -29.1 -31.9 77 2.8 -29.6 145 12 344.4 344.6 296.1 347.7 0.88 27 295 9849 -30.3 -32.3 83 2.0 -30.7 147 12 344.3 344.5 296.1 347.6 0.86 28 274 10368 -34.3 -36.0 85 1.7 -34.6 158 14 345.9 346.0 296.3 348.4 0.65 29 250 11000 -39.1 -42.6 69 3.5 -39.5 140 12 347.9 348.0 296.5 349.4 0.36 30 219 11894 -46.5 -51.4 57 4.9 -46.8 114 16 349.9 350.0 296.8 350.6 0.15 31 200 12490 -51.7 -56.3 58 4.6 -51.9 95 16 350.9 350.9 296.9 351.3 0.09 32 187 12922 -55.5 -60.5 54 5.0 -55.6 95 17 351.6 351.6 297.0 351.8 0.06 33 173 13413 -59.9 -62.9 68 3.0 -60.0 95 19 352.2 352.2 297.1 352.4 0.05 34 170 13522 -60.5 -65.5 52 5.0 -60.6 95 19 353.0 353.0 297.3 353.1 0.03 35 150 14290 -66.7 -72.7 42 6.0 -66.7 105 26 355.2 355.2 297.7 355.2 0.01 36 129 15185 -73.7 -80.7 33 7.0 -73.7 128 31 358.3 358.3 298.4 358.3 0.00 37 112 15996 -80.5 -84.7 49 4.2 -80.5 133 37 360.3 360.3 298.8 360.3 0.00 38 100 16630 -83.3 -89.3 34 6.0 -83.3 115 39 366.8 366.8 300.0 366.8 0.00 39 94 16974 -83.9 -89.9 34 6.0 -83.9 120 31 372.2 372.2 300.9 372.2 0.00 40 90 17218 -79.7 -87.7 25 8.0 -79.7 119 28 385.2 385.2 303.1 385.2 0.00 41 81 17810 -83.3 -88.3 41 5.0 -83.3 117 22 389.6 389.6 303.7 389.6 0.00 42 70 18630 -79.9 -89.9 17 10.0 -79.9 225 15 413.4 413.4 306.9 413.5 0.00 43 59 19618 -73.1 -91.1 5 18.0 -73.2 285 25 449.4 449.4 310.8 449.5 0.00 44 56 19929 -67.7 -90.7 2 23.0 -67.9 275 24 468.5 468.5 312.5 468.5 0.00 45 52 20379 -64.3 -90.3 2 26.0 -64.6 213 13 486.5 486.5 314.0 486.5 0.00 46 50 20620 -63.9 -89.9 2 26.0 -64.3 180 8 492.9 492.9 314.4 492.9 0.00 47 48 20871 -63.3 -89.3 2 26.0 -63.7 184 9 500.1 500.1 314.9 500.1 0.00 48 42 21690 -65.1 -90.1 2 25.0 -65.5 178 12 515.1 515.1 316.0 515.1 0.00 49 30 23780 -57.7 -88.7 1 31.0 -58.9 85 38 587.3 587.3 320.0 587.4 0.00 50 28 24216 -57.3 -88.3 1 31.0 -58.6 85 53 600.2 600.2 320.6 600.2 0.01 51 27 24447 -54.1 -88.1 1 34.0 -56.0 85 77 615.4 615.4 321.3 615.5 0.01 52 27 24447 -54.1 -88.1 1 34.0 -56.0 85 77 615.4 615.4 321.3 615.5 0.01 53 24 25208 -51.1 -86.1 1 35.0 -53.9 91 73 645.2 645.2 322.5 645.3 0.01 54 21 26073 -53.3 -86.3 1 33.0 -55.8 98 68 663.7 663.7 323.2 663.8 0.01 TRP 94 16974 -83.9 -89.9 34 6.0 -83.9 120 31 372.2 372.2 300.9 372.2 0.00 WND 27 24447 -54.1 -88.1 1 34.0 -56.0 85 77 615.4 615.4 321.3 615.5 0.01 Sounding variables and indices 1000-500 mb thick: 5814.00 m Freezing level: 536.79 mb = 5319.53 m = 17452.30 ft Wetbulb zero: 568.38 mb = 4850.66 m = 15914.04 ft Precipitable water: 2.45 inches Sfc-500 mean rel hum: 79.91 % Est. max temperature: 33.44 C = 92.19 F Sfc-Lift cond lev (LCL): 997.24 mb = 90.46 m = 296.78 ft T: 25.57 C 700-500 lapse rate: 5.37 C/km ThetaE index: 13.90 C Layer 980.0- 850.0 mb Conv cond level (CCL): 880.02 mb = 1189.44 m = 3902.31 ft Mean mixing ratio: 18.01 g/kg Conv temperature: 32.53 C = 90.56 F Cap Strength: 1.20 C Lifted Index: -2.57 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.25 C Lifted Index @700 mb: -1.06 C Showalter Index: 0.24 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.80 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 212.80 Risk: None Energy Index: -0.50 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1067.95 J/kg Max Up Vert Vel: 46.22 m/s Conv Inhibition (B-): 31.39 J/kg Cap Strength: 1.20 C Lift Cond Lev (LCL): 925.41 mb = 751.13 m = 2464.30 ft Lev Free Conv (LFC): 810.41 mb = 1895.63 m = 6219.17 ft Equ Level (EL): 150.41 mb = 14273.42 m = 46828.24 ft B at Equ Level: 1061.85 J/kg Max Parcel Lev (MPL): 80.41 mb = 17851.58 m = 58567.45 ft Wind level data Storm motion: 131 at 7 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 4 20 2 -0.7 -1.9 | 324 8 5.0 -6.7 1 1000 66 125 3 -2.5 1.7 | 314 4 3.2 -3.1 2 973 305 185 9 0.8 9.0 | 237 8 6.4 4.1 3 940 610 210 11 5.5 9.5 | 247 12 11.1 4.7 4 925 755 210 10 5.0 8.7 | 250 11 10.6 3.8 5 908 914 200 9 3.1 8.5 | 247 9 8.7 3.6 6 850 1490 195 5 1.3 4.8 | 270 7 6.9 -0.0 7 847 1524 195 5 1.3 4.8 | 270 7 6.9 -0.0 8 788 2134 135 2 -1.4 1.4 | 309 5 4.2 -3.4 9 708 3048 90 12 -12.0 0.0 | 53 8 -6.4 -4.8 10 700 3141 85 15 -14.9 -1.3 | 57 11 -9.3 -6.1 11 657 3658 60 19 -16.5 -9.5 | 37 18 -10.8 -14.3 12 587 4572 105 8 -7.7 2.1 | 37 3 -2.1 -2.8 13 566 4877 95 11 -11.0 1.0 | 54 7 -5.3 -3.9 14 525 5486 100 12 -11.8 2.1 | 66 7 -6.2 -2.7 15 500 5880 80 12 -11.8 -2.1 | 42 9 -6.2 -6.9 16 486 6096 80 12 -11.8 -2.1 | 42 9 -6.2 -6.9 17 400 7610 105 15 -14.5 3.9 | 84 9 -8.9 -0.9 18 399 7620 100 15 -14.8 2.6 | 76 9 -9.1 -2.2 19 325 9144 130 16 -12.3 10.3 | 129 9 -6.6 5.5 20 300 9730 145 12 -6.9 9.8 | 166 5 -1.2 5.0 21 262 10668 165 15 -3.9 14.5 | 190 10 1.8 9.7 22 250 11000 140 12 -7.7 9.2 | 155 5 -2.1 4.4 23 209 12192 105 17 -16.4 4.4 | 88 11 -10.8 -0.4 24 200 12490 95 16 -15.9 1.4 | 72 11 -10.3 -3.4 25 164 13716 95 20 -19.9 1.7 | 78 15 -14.3 -3.1 26 150 14290 105 26 -25.1 6.7 | 96 20 -19.5 1.9 27 127 15240 130 32 -24.5 20.6 | 130 25 -18.9 15.7 28 103 16459 135 40 -28.3 28.3 | 136 33 -22.6 23.5 29 100 16630 115 39 -35.3 16.5 | 111 32 -29.7 11.7 30 94 16974 120 31 -26.8 15.5 | 117 24 -21.2 10.7 31 74 18288 115 17 -15.4 7.2 | 104 10 -9.8 2.4 32 70 18630 225 15 10.6 10.6 | 250 17 16.2 5.8 33 57 19812 295 27 24.5 -11.4 | 298 34 30.1 -16.2 34 50 20620 180 8 0.0 8.0 | 241 6 5.6 3.2 35 45 21336 190 10 1.7 9.8 | 236 9 7.4 5.0 36 35 22860 140 19 -12.2 14.6 | 146 12 -6.6 9.7 37 30 23780 85 38 -37.9 -3.3 | 76 33 -32.2 -8.1 38 27 24384 85 59 -58.8 -5.1 | 79 54 -53.1 -10.0 39 27 24447 85 77 -76.7 -6.7 | 81 72 -71.1 -11.5 40 18 25908 105 63 -60.9 16.3 | 102 56 -55.2 11.5 41 17 26213 110 57 -53.6 19.5 | 107 50 -47.9 14.7 Wind Parameters Mean winds (0-6000m): 100.6 at 9.9 knts Storm direction: 130.6 at 7.4 knts Shear (0-3000m) pos: 0.0 neg: 1.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 89.6 deg Storm rel helicity (0-3000m) pos: 21.4 neg: -7.5 tot: 13.9 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 1.2 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 62.84 Bulk Shear: 17.00 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 ------------------------------------------------------------------------------- 500 183 7 250 6| 0.0 12.7 12.7| 2.3 -6.7 -4.4 -8.8 -0.35| 16.4 -5.8 1000 197 8 248 9| 0.0 5.3 5.3| 6.9 -7.5 -0.6 -0.6 -0.20| 10.8 -2.2 1500 197 8 252 8| 0.0 2.4 2.4| 12.5 -7.5 5.0 3.3 -0.06| 8.4 -0.5 2000 195 7 257 8| 0.0 1.1 1.1| 16.5 -7.5 9.1 4.5 0.05| 7.3 0.3 2500 189 6 259 7| 0.0 1.4 1.4| 19.1 -7.5 11.7 4.7 0.13| 6.8 0.9 3000 170 7 249 5| 0.0 1.9 1.9| 21.4 -7.5 13.9 4.6 0.18| 6.8 1.2 4000 113 9 66 3| 0.5 2.1 2.6| 30.9 -23.9 6.9 1.7 0.10| 7.3 0.7 5000 104 10 55 4| 1.2 2.0 3.2| 34.7 -25.1 9.6 1.9 0.10| 7.1 0.7 6000 101 10 54 5| 1.0 1.8 2.8| 36.4 -31.9 4.5 0.8 0.06| 6.3 0.4 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250505.00.gif