UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 18 JAN 26 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 18 23.6 21.4 87 2.2 22.1 100 4 296.2 299.1 295.0 342.6 16.14 1 1006 27 25.2 23.4 90 1.8 23.9 103 4 297.8 301.2 296.8 351.0 18.30 2 1000 79 25.0 23.1 89 1.9 23.6 120 3 298.1 301.4 296.8 350.7 18.07 3 972 329 23.2 21.9 92 1.3 22.3 187 4 298.8 301.9 296.4 349.1 17.27 4 959 447 23.6 16.6 65 7.0 18.9 194 4 300.3 302.6 293.6 336.9 12.48 5 940 622 22.6 14.6 61 8.0 17.3 206 3 301.0 303.1 292.8 333.9 11.18 6 925 762 21.6 13.6 60 8.0 16.4 215 3 301.4 303.3 292.4 332.8 10.64 7 901 990 19.6 18.0 90 1.6 18.5 244 2 301.6 304.3 295.4 344.5 14.57 8 861 1381 18.0 12.0 68 6.0 14.1 342 1 303.9 305.8 292.9 334.6 10.29 9 850 1491 16.6 14.1 85 2.5 15.0 10 1 303.5 305.8 294.1 339.1 11.99 10 814 1858 14.0 11.8 87 2.2 12.6 20 1 304.6 306.6 293.5 336.7 10.75 11 730 2767 6.8 1.8 70 5.0 4.1 265 3 306.3 307.4 290.2 324.6 5.98 12 700 3111 5.2 -10.8 30 16.0 -1.4 315 1 308.2 308.7 287.4 315.9 2.39 13 689 3241 8.8 -31.2 4 40.0 -2.4 331 4 313.6 313.7 287.1 315.1 0.41 14 681 3337 9.4 -37.6 2 47.0 -2.5 344 7 315.4 315.4 287.5 316.2 0.22 15 635 3913 6.8 25 16 318.8 16 598 4405 6.8 25 17 324.3 17 549 5097 0.4 -41.6 3 42.0 -8.7 38 18 324.7 324.8 290.4 325.4 0.18 18 500 5840 -3.9 -47.9 2 44.0 -11.9 20 9 328.3 328.3 291.3 328.7 0.10 19 472 6293 -6.3 -50.3 2 44.0 -13.6 11 8 330.8 330.8 292.0 331.1 0.08 20 433 6963 -9.5 -53.5 1 44.0 -16.1 13 7 335.0 335.0 293.1 335.2 0.06 21 400 7570 -14.5 -54.5 2 40.0 -19.7 15 6 336.1 336.2 293.4 336.4 0.06 22 362 8318 -19.3 -45.3 8 26.0 -23.1 36 4 339.5 339.5 294.4 340.2 0.18 23 300 9680 -31.3 -52.3 11 21.0 -33.1 165 10 341.3 341.3 294.7 341.7 0.10 24 297 9751 -31.7 -52.7 11 21.0 -33.4 167 10 341.7 341.7 294.8 342.1 0.10 25 272 10365 -37.5 -46.5 39 9.0 -38.3 186 11 342.0 342.0 295.0 342.8 0.22 26 257 10753 -40.9 -51.9 30 11.0 -41.6 195 13 342.5 342.6 295.0 343.1 0.12 27 250 10940 -42.1 -54.1 26 12.0 -42.8 195 18 343.5 343.5 295.3 343.9 0.10 28 211 12071 -50.1 -65.1 15 15.0 -50.5 177 11 348.1 348.1 296.3 348.2 0.03 29 208 12165 -50.7 -57.7 43 7.0 -51.0 176 10 348.6 348.6 296.4 348.9 0.08 30 205 12260 -51.3 -70.3 9 19.0 -51.7 167 17 349.1 349.1 296.4 349.1 0.01 31 201 12388 -52.5 -62.5 29 10.0 -52.8 149 31 349.1 349.1 296.5 349.3 0.04 32 200 12420 -52.9 -63.9 25 11.0 -53.2 145 34 349.0 349.0 296.4 349.2 0.04 33 198 12485 -53.5 -71.5 9 18.0 -53.8 146 34 349.0 349.1 296.4 349.1 0.01 34 188 12815 -55.9 -63.9 36 8.0 -56.1 149 37 350.4 350.4 296.7 350.6 0.04 35 186 12883 -56.5 -68.5 21 12.0 -56.7 150 37 350.5 350.5 296.8 350.6 0.02 36 171 13409 -61.1 -68.1 39 7.0 -61.2 156 42 351.4 351.4 297.0 351.5 0.02 37 164 13666 -62.7 -76.7 14 14.0 -62.8 159 44 352.9 352.9 297.3 353.0 0.01 38 150 14210 -66.3 -76.3 23 10.0 -66.4 150 42 355.9 355.9 297.9 355.9 0.01 39 143 14501 -66.9 -79.9 14 13.0 -67.0 146 35 359.7 359.7 298.7 359.7 0.00 40 141 14587 -66.3 -84.3 6 18.0 -66.4 145 33 362.2 362.2 299.1 362.2 0.00 41 100 16600 -82.3 -90.3 24 8.0 -82.3 20 3 368.7 368.7 300.4 368.7 0.00 42 83 17625 -87.3 -94.3 26 7.0 -87.3 45 8 378.7 378.7 302.1 378.7 0.00 43 77 18038 -82.5 -92.5 16 10.0 -82.5 45 9 396.9 396.9 304.8 396.9 0.00 44 70 18570 -81.5 -91.5 17 10.0 -81.5 60 9 410.0 410.0 306.5 410.0 0.00 45 67 18815 -81.3 -91.3 17 10.0 -81.3 76 8 415.6 415.6 307.2 415.6 0.00 46 50 20510 -68.7 -91.7 2 23.0 -68.9 65 8 481.6 481.6 313.6 481.6 0.00 47 47 20881 -67.9 -90.9 2 23.0 -68.1 74 10 492.1 492.1 314.4 492.1 0.00 48 44 21276 -69.7 -91.7 3 22.0 -69.9 83 12 497.1 497.1 314.7 497.1 0.00 49 37 22328 -62.1 -91.1 1 29.0 -62.7 86 13 541.9 541.9 317.6 541.9 0.00 50 32 23227 -61.5 -89.5 1 28.0 -62.2 82 14 566.4 566.4 319.0 566.5 0.00 51 30 23625 -62.9 -89.9 1 27.0 -63.6 80 14 573.2 573.2 319.3 573.2 0.00 TRP 83 17625 -87.3 -94.3 26 7.0 -87.3 45 8 378.7 378.7 302.1 378.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 544.44 mb = 5166.42 m = 16949.97 ft Wetbulb zero: 707.43 mb = 3024.31 m = 9922.17 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 57.65 % Est. max temperature: 31.21 C = 88.19 F Sfc-Lift cond lev (LCL): 975.50 mb = 296.95 m = 974.22 ft T: 23.43 C 700-500 lapse rate: 3.33 C/km ThetaE index: 24.05 C Layer 814.0- 681.0 mb Conv cond level (CCL): 850.17 mb = 1489.27 m = 4885.99 ft Mean mixing ratio: 14.12 g/kg Conv temperature: 31.00 C = 87.79 F Cap Strength: 5.14 C Lifted Index: 2.35 C Risk: None Lifted Index @300 mb: 1.96 C Lifted Index @700 mb: -2.91 C Showalter Index: 3.23 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 18.00 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 180.20 Risk: None Energy Index: -1.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 100.50 J/kg Max Up Vert Vel: 14.18 m/s Conv Inhibition (B-): 58.63 J/kg Cap Strength: 5.00 C Lift Cond Lev (LCL): 895.02 mb = 1047.19 m = 3435.61 ft Lev Free Conv (LFC): 810.02 mb = 1899.14 m = 6230.69 ft Equ Level (EL): 690.02 mb = 3228.75 m = 10592.90 ft B at Equ Level: 98.66 J/kg Max Parcel Lev (MPL): 610.02 mb = 4241.82 m = 13916.57 ft Wind level data Storm motion: 60 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 1007 18 100 4 -3.9 0.7 | 200 4 1.4 3.8 1 1000 79 120 3 -2.6 1.5 | 211 5 2.7 4.6 2 975 305 185 4 0.3 4.0 | 219 9 5.7 7.1 3 941 610 205 3 1.3 2.7 | 229 9 6.6 5.8 4 925 762 215 3 1.7 2.5 | 232 9 7.1 5.6 5 909 914 225 2 1.4 1.4 | 236 8 6.8 4.5 6 850 1491 10 1 -0.2 -1.0 | 248 6 5.2 2.1 7 847 1524 15 1 -0.3 -1.0 | 247 6 5.1 2.2 8 787 2134 25 1 -0.4 -0.9 | 246 5 4.9 2.2 9 705 3048 210 4 2.0 3.5 | 228 10 7.3 6.6 10 700 3111 315 1 0.7 -0.7 | 248 7 6.0 2.4 11 654 3658 25 15 -6.3 -13.6 | 5 11 -1.0 -10.5 12 585 4572 25 18 -7.6 -16.3 | 10 13 -2.3 -13.2 13 563 4877 40 18 -11.6 -13.8 | 30 12 -6.2 -10.7 14 522 5486 35 17 -9.8 -13.9 | 22 12 -4.4 -10.8 15 500 5840 20 9 -3.1 -8.5 | 337 6 2.3 -5.3 16 484 6096 10 8 -1.4 -7.9 | 320 6 3.9 -4.8 17 400 7570 15 6 -1.6 -5.8 | 305 5 3.8 -2.7 18 397 7620 20 6 -2.1 -5.6 | 307 4 3.3 -2.5 19 323 9144 55 2 -1.6 -1.1 | 242 4 3.7 2.0 20 300 9680 165 10 -2.6 9.7 | 192 13 2.7 12.8 21 260 10668 195 11 2.8 10.6 | 211 16 8.2 13.7 22 250 10940 195 18 4.7 17.4 | 206 23 10.0 20.5 23 207 12192 175 10 -0.9 10.0 | 199 14 4.5 13.1 24 200 12420 145 34 -19.5 27.9 | 155 34 -14.2 31.0 25 162 13716 160 44 -15.0 41.3 | 168 46 -9.7 44.5 26 150 14210 150 42 -21.0 36.4 | 158 42 -15.7 39.5 27 126 15240 135 17 -12.0 12.0 | 156 17 -6.7 15.1 28 102 16459 110 6 -5.6 2.1 | 177 5 -0.3 5.2 29 100 16600 20 3 -1.0 -2.8 | 266 4 4.3 0.3 30 83 17625 45 8 -5.7 -5.7 | 7 3 -0.3 -2.5 31 74 18288 45 9 -6.4 -6.4 | 18 3 -1.0 -3.2 32 70 18570 60 9 -7.8 -4.5 | 61 3 -2.5 -1.4 33 56 19812 140 3 -1.9 2.3 | 212 6 3.4 5.4 34 50 20510 65 8 -7.3 -3.4 | 82 2 -1.9 -0.3 35 42 21336 90 13 -13.0 0.0 | 112 8 -7.7 3.1 36 30 22860 80 14 -13.8 -2.4 | 95 8 -8.4 0.7 37 25 23774 90 17 -17.0 0.0 | 105 12 -11.7 3.1 Wind Parameters Mean winds (0-6000m): 29.7 at 8.2 knts Storm direction: 59.7 at 6.2 knts Shear (0-3000m) pos: 0.7 neg: 0.8 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 30.3 deg Storm rel helicity (0-3000m) pos: 15.9 neg: -11.2 tot: 4.7 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.10 Bulk Shear: 16.48 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 ------------------------------------------------------------------------------- 500 168 4 215 8| 5.7 0.0 5.7| 6.4 0.0 6.4 12.7 0.48| 6.8 3.3 1000 190 3 223 9| 2.9 0.0 2.9| 11.9 0.0 11.9 11.9 0.60| 4.9 2.9 1500 194 3 227 8| 1.4 0.0 1.4| 14.2 -0.7 13.5 9.0 0.51| 4.3 2.2 2000 193 2 228 8| 1.0 0.0 1.0| 14.2 -0.8 13.4 6.7 0.50| 3.3 1.6 2500 205 2 231 8| 0.8 0.4 1.2| 15.9 -0.9 15.0 6.0 0.49| 3.1 1.5 3000 203 2 230 8| 0.7 0.8 1.5| 15.9 -11.2 4.7 1.6 0.15| 3.5 0.5 4000 25 4 282 4| 2.6 0.6 3.2| 60.0 -11.2 48.8 12.2 0.54| 5.6 3.0 5000 28 7 326 4| 2.0 0.3 2.3| 76.8 -12.1 64.7 12.9 0.56| 5.1 2.9 6000 30 8 343 4| 1.7 1.2 2.9| 76.8 -32.3 44.5 7.4 0.31| 5.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20260118.00.gif