UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112900.upa.cvt Date: 0000Z 29 NOV 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 29 NOV 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1016 9 20.6 10.6 53 10.0 14.6 0 0 292.4 293.8 287.1 315.1 7.91 1 1000 145 19.8 10.8 56 9.0 14.4 40 9 293.0 294.4 287.5 316.3 8.15 2 927 792 13.6 8.6 72 5.0 10.7 59 9 293.0 294.4 287.0 314.8 7.58 3 925 810 13.6 7.6 67 6.0 10.2 60 9 293.2 294.5 286.6 313.6 7.09 4 912 929 13.2 4.2 54 9.0 8.4 81 8 294.0 295.0 285.5 310.5 5.67 5 902 1022 14.4 3.4 48 11.0 8.5 97 8 296.2 297.1 286.1 312.1 5.42 6 901 1032 14.2 9.7 74 4.5 11.5 99 8 296.0 297.6 288.9 320.4 8.41 7 884 1192 14.0 12.2 89 1.8 12.9 127 7 297.5 299.3 290.8 326.9 10.15 8 865 1376 13.8 7.8 67 6.0 10.3 159 6 299.1 300.5 289.3 321.7 7.69 9 850 1523 12.6 9.8 83 2.8 10.9 185 5 299.3 301.0 290.5 325.7 8.98 10 833 1693 11.8 9.9 88 1.9 10.6 188 6 300.2 301.9 291.0 327.4 9.23 11 818 1845 13.0 11.5 91 1.5 12.0 191 7 303.1 305.0 292.9 334.2 10.48 12 800 2033 12.8 6.8 67 6.0 9.3 194 7 304.8 306.2 291.2 328.2 7.77 13 795 2085 14.4 -11.6 15 26.0 3.5 195 8 307.0 307.4 286.5 313.4 1.98 14 778 2268 14.0 -23.0 6 37.0 1.5 199 9 308.5 308.7 285.7 311.1 0.77 15 775 2301 14.6 -12.4 14 27.0 3.2 199 9 309.5 309.9 287.3 315.7 1.90 16 767 2389 13.6 5.6 58 8.0 8.9 201 9 309.4 310.8 292.3 332.2 7.46 17 760 2466 13.6 -2.4 33 16.0 5.4 202 10 310.2 311.0 289.8 323.4 4.22 18 752 2555 12.6 5.6 62 7.0 8.5 204 10 310.0 311.5 292.6 333.4 7.61 19 737 2724 11.2 7.2 76 4.0 8.8 207 11 310.3 311.9 293.6 336.9 8.68 20 714 2988 9.0 7.9 93 1.1 8.3 212 12 310.7 312.5 294.2 339.6 9.41 21 700 3152 7.8 6.1 89 1.7 6.8 215 13 311.1 312.7 293.6 337.2 8.47 22 686 3318 6.8 5.5 91 1.3 6.0 219 13 311.8 313.4 293.7 337.4 8.29 23 675 3451 7.6 -2.4 49 10.0 2.5 222 13 314.2 315.1 291.5 329.2 4.75 24 671 3499 7.2 1.2 66 6.0 3.9 223 13 314.2 315.4 292.7 333.8 6.23 25 661 3622 6.2 -1.8 56 8.0 2.1 226 13 314.5 315.4 291.9 330.5 5.08 26 657 3672 6.0 -4.0 49 10.0 1.0 227 13 314.8 315.6 291.3 328.6 4.33 27 642 3861 7.2 -35.8 3 43.0 -4.0 232 12 318.2 318.3 288.5 319.3 0.28 28 614 4227 6.8 -36.2 3 43.0 -4.4 240 12 321.9 321.9 289.6 322.9 0.28 29 586 4609 5.4 -37.6 3 43.0 -5.5 249 12 324.6 324.6 290.4 325.5 0.26 30 500 5880 -4.5 -37.5 6 33.0 -11.9 280 11 327.6 327.6 291.3 328.7 0.30 31 400 7600 -17.5 -32.5 26 15.0 -20.7 305 29 332.2 332.4 292.9 334.6 0.62 32 388 7827 -19.3 -31.3 34 12.0 -21.8 303 28 332.8 332.9 293.2 335.5 0.72 33 385 7885 -19.7 -31.7 34 12.0 -22.2 302 27 333.0 333.1 293.2 335.6 0.70 34 377 8041 -17.3 -46.3 6 29.0 -21.6 301 26 338.2 338.2 294.0 338.8 0.16 35 351 8574 -18.9 -52.9 3 34.0 -23.2 296 23 343.0 343.0 295.1 343.3 0.08 36 300 9720 -28.7 -56.7 5 28.0 -31.1 285 15 344.9 344.9 295.6 345.2 0.06 37 250 10990 -40.1 -62.1 8 22.0 -41.1 270 21 346.4 346.5 295.9 346.6 0.04 38 240 11267 -42.9 -62.9 9 20.0 -43.7 267 22 346.3 346.3 295.8 346.5 0.03 39 217 11937 -48.3 -61.3 21 13.0 -48.7 260 25 348.1 348.1 296.3 348.3 0.05 40 200 12470 -51.3 -69.3 10 18.0 -51.7 255 27 351.5 351.5 297.0 351.6 0.02 41 193 12700 -52.9 -70.9 10 18.0 -53.2 257 27 352.6 352.6 297.2 352.6 0.01 42 168 13576 -61.3 -68.3 39 7.0 -61.4 264 28 352.8 352.9 297.3 353.0 0.02 43 167 13613 -61.5 -69.5 34 8.0 -61.6 264 28 353.1 353.1 297.3 353.2 0.02 44 164 13725 -61.9 -76.9 12 15.0 -62.0 265 28 354.3 354.3 297.5 354.3 0.01 45 154 14110 -64.9 -71.9 37 7.0 -65.0 269 29 355.6 355.6 297.8 355.7 0.02 46 150 14270 -66.3 -73.3 37 7.0 -66.4 270 29 355.9 355.9 297.9 355.9 0.01 47 144 14517 -67.5 -83.5 9 16.0 -67.6 272 29 358.0 358.0 298.3 358.0 0.00 48 123 15446 -76.3 -82.3 38 6.0 -76.3 280 27 358.4 358.4 298.4 358.5 0.00 49 116 15783 -77.9 -86.9 22 9.0 -77.9 283 26 361.5 361.5 299.0 361.5 0.00 50 113 15933 -75.9 -89.9 9 14.0 -75.9 284 26 368.0 368.0 300.2 368.0 0.00 51 100 16630 -81.3 -92.3 14 11.0 -81.3 290 25 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 539.09 mb = 5302.08 m = 17395.06 ft Wetbulb zero: 653.94 mb = 3710.26 m = 12172.61 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 43.38 % Est. max temperature: 27.23 C = 81.01 F Sfc-Lift cond lev (LCL): 875.94 mb = 1269.77 m = 4165.85 ft T: 13.92 C 700-500 lapse rate: 4.51 C/km ThetaE index: 23.09 C Layer 800.0- 775.0 mb Conv cond level (CCL): 549.89 mb = 5118.13 m = 16791.55 ft Mean mixing ratio: 7.76 g/kg Conv temperature: 54.14 C = 129.45 F Cap Strength: 15.87 C Lifted Index: 14.58 C Risk: None Lifted Index @300 mb: 21.38 C Lifted Index @700 mb: 9.42 C Showalter Index: 8.84 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 17.10 C Cross Totals Index: 14.30 C K Index: 25.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 138.60 Risk: None Energy Index: 0.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.48 J/kg Max Up Vert Vel: 1.72 m/s Conv Inhibition (B-): 11497.56 J/kg Cap Strength: 15.86 C Lift Cond Lev (LCL): 864.84 mb = 1377.37 m = 4518.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 8 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 1016 9 0 0 -0.0 -0.0 | 82 8 -7.5 -1.1 1 1000 145 40 9 -5.8 -6.9 | 59 16 -13.3 -8.0 2 925 810 60 9 -7.8 -4.5 | 70 16 -15.3 -5.6 3 850 1523 185 5 0.4 5.0 | 119 8 -7.1 3.9 4 700 3152 215 13 7.5 10.6 | 180 10 -0.1 9.5 5 500 5880 280 11 10.8 -1.9 | 312 4 3.3 -3.0 6 400 7600 305 29 23.8 -16.6 | 318 24 16.2 -17.7 7 300 9720 285 15 14.5 -3.9 | 306 9 7.0 -5.0 8 250 10990 270 21 21.0 -0.0 | 275 14 13.5 -1.1 9 200 12470 255 27 26.1 7.0 | 252 19 18.6 5.9 10 150 14270 270 29 29.0 -0.0 | 273 22 21.5 -1.1 11 100 16630 290 25 23.5 -8.6 | 301 19 16.0 -9.7 Wind Parameters Mean winds (0-6000m): 231.7 at 10.1 knts Storm direction: 261.7 at 7.6 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 92.6 deg Storm rel helicity (0-3000m) pos: 78.0 neg: -10.5 tot: 67.5 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 42.14 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 45 8 63 15| 9.3 0.0 9.3| 8.1 -10.5 -2.4 -4.9 -0.21| 11.4 -2.4 1000 54 8 67 15| 4.1 0.0 4.1| 35.6 -10.5 25.1 25.1 0.24| 9.1 2.2 1500 62 8 72 15| 1.7 0.0 1.7| 59.0 -10.5 48.5 32.3 0.39| 9.6 3.8 2000 80 7 81 15| 1.9 0.0 1.9| 64.6 -10.5 54.1 27.0 0.44| 7.9 3.5 2500 116 8 99 14| 2.0 0.0 2.0| 70.9 -10.5 60.4 24.2 0.49| 6.9 3.4 3000 163 8 124 12| 2.1 0.0 2.1| 78.0 -10.5 67.5 22.5 0.53| 6.3 3.3 4000 201 9 151 9| 1.6 0.0 1.6| 87.3 -10.5 76.8 19.2 0.56| 5.4 3.0 5000 218 10 168 7| 1.2 0.0 1.2| 93.2 -10.5 82.7 16.5 0.60| 4.8 2.9 6000 232 10 185 5| 1.1 0.0 1.1| 97.5 -10.8 86.6 14.4 0.61| 4.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251129.00.gif