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 VV839... Searching the city database file for: VV839 ... Date:0000Z 30 APR 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 1012 6 25.6 24.0 91 1.6 24.5 155 1 297.7 301.2 297.2 352.6 18.88 1 1000 110 24.6 23.7 95 0.9 24.0 155 1 297.8 301.2 297.1 352.2 18.76 2 943 623 20.8 20.3 97 0.5 20.5 170 7 298.9 301.9 295.7 345.8 16.10 3 934 707 21.6 18.3 82 3.3 19.3 173 8 300.6 303.2 294.9 342.5 14.31 4 925 791 21.2 17.5 79 3.7 18.7 175 9 301.0 303.5 294.6 341.3 13.73 5 850 1522 17.4 15.2 87 2.2 15.9 195 9 304.4 306.8 295.0 342.8 12.89 6 846 1562 17.4 14.9 85 2.5 15.7 196 9 304.8 307.1 295.0 342.7 12.70 7 733 2779 11.8 7.2 73 4.6 9.0 241 14 311.4 313.1 293.9 338.3 8.73 8 700 3164 9.0 6.5 84 2.5 7.5 255 15 312.5 314.1 294.1 339.4 8.71 9 662 3624 6.4 5.1 91 1.3 5.6 260 14 314.6 316.2 294.5 340.6 8.35 10 653 3737 6.2 -0.8 61 7.0 2.5 261 14 315.6 316.6 292.6 333.1 5.53 11 633 3991 4.8 -2.2 60 7.0 1.2 264 14 316.8 317.8 292.6 333.2 5.15 12 627 4069 4.2 0.6 77 3.6 2.2 265 14 317.0 318.2 293.6 337.2 6.39 13 583 4658 1.2 -1.0 85 2.2 0.0 271 13 320.1 321.3 294.3 339.8 6.11 14 565 4910 0.0 -2.8 81 2.8 -1.4 274 12 321.6 322.7 294.2 339.5 5.52 15 560 4982 0.4 -4.5 70 4.9 -2.1 275 12 322.9 323.9 294.0 338.9 4.90 16 512 5694 -5.3 -6.5 91 1.2 -5.9 283 11 324.4 325.3 294.2 339.5 4.60 17 501 5864 -5.9 -6.2 98 0.3 -6.1 285 11 325.7 326.6 294.7 341.6 4.81 18 500 5880 -5.9 -6.2 98 0.3 -6.1 285 11 325.8 326.8 294.7 341.8 4.82 19 469 6380 -8.1 -11.0 80 2.9 -9.4 268 15 329.1 329.8 294.6 341.1 3.52 20 466 6430 -7.9 -11.6 75 3.7 -9.5 266 15 330.0 330.7 294.7 341.5 3.38 21 424 7158 -13.1 -14.7 88 1.6 -13.7 241 21 332.4 333.0 294.9 342.4 2.89 22 400 7600 -15.9 -17.9 85 2.0 -16.6 225 25 334.3 334.8 294.9 342.6 2.34 23 308 9522 -28.1 -41.1 28 13.0 -29.9 243 21 343.2 343.3 295.4 344.5 0.34 24 300 9710 -29.7 -40.7 34 11.0 -31.2 245 21 343.5 343.6 295.5 345.0 0.36 25 257 10800 -38.5 -53.5 19 15.0 -39.5 258 28 346.1 346.1 295.8 346.5 0.10 26 250 10990 -39.7 -53.7 21 14.0 -40.6 260 29 347.0 347.1 296.1 347.5 0.10 27 223 11758 -46.7 -53.7 45 7.0 -47.0 260 33 347.8 347.8 296.3 348.3 0.11 28 200 12470 -52.3 -62.3 29 10.0 -52.6 260 36 349.9 350.0 296.7 350.1 0.04 29 195 12633 -53.5 -67.5 17 14.0 -53.8 259 36 350.6 350.6 296.8 350.7 0.02 30 187 12900 -56.3 -62.3 47 6.0 -56.4 258 35 350.3 350.3 296.7 350.5 0.05 31 173 13388 -60.1 -70.1 26 10.0 -60.2 255 33 351.9 351.9 297.1 352.0 0.02 32 156 14023 -65.7 -71.7 43 6.0 -65.8 251 32 352.9 352.9 297.3 353.0 0.02 33 150 14260 -66.9 -73.9 37 7.0 -67.0 250 31 354.8 354.8 297.7 354.9 0.01 34 124 15387 -75.9 -80.5 48 4.6 -75.9 276 29 358.3 358.3 298.4 358.4 0.00 35 100 16620 -79.5 -85.5 36 6.0 -79.5 305 27 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 556.63 mb = 5031.62 m = 16507.76 ft Wetbulb zero: 582.76 mb = 4661.61 m = 15293.81 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 82.19 % Est. max temperature: 31.70 C = 89.06 F Sfc-Lift cond lev (LCL): 989.17 mb = 205.27 m = 673.46 ft T: 23.89 C 700-500 lapse rate: 5.49 C/km ThetaE index: 11.25 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 901.27 mb = 1015.68 m = 3332.24 ft Mean mixing ratio: 16.55 g/kg Conv temperature: 29.91 C = 85.83 F Cap Strength: 1.13 C Lifted Index: -1.99 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.13 C Lifted Index @700 mb: -0.86 C Showalter Index: -0.24 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.10 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 211.40 Risk: None Energy Index: -0.26 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 307.40 J/kg Max Up Vert Vel: 24.80 m/s Conv Inhibition (B-): 34.22 J/kg Cap Strength: 1.08 C Lift Cond Lev (LCL): 941.54 mb = 636.79 m = 2089.18 ft Lev Free Conv (LFC): 726.54 mb = 2853.02 m = 9360.20 ft Equ Level (EL): 306.54 mb = 9555.82 m = 31350.74 ft B at Equ Level: 306.22 J/kg Max Parcel Lev (MPL): 156.54 mb = 14001.92 m = 45937.49 ft Wind level data Storm motion: 278 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 1012 6 155 1 -0.4 0.9 | 103 9 -8.7 2.0 1 1000 110 155 1 -0.4 0.9 | 103 9 -8.7 2.0 2 925 791 175 9 -0.8 9.0 | 138 14 -9.1 10.1 3 850 1522 195 9 2.3 8.7 | 149 11 -6.0 9.8 4 700 3164 255 15 14.5 3.9 | 231 8 6.2 5.0 5 500 5880 285 11 10.6 -2.8 | 307 3 2.3 -1.8 6 400 7600 225 25 17.7 17.7 | 207 21 9.4 18.8 7 300 9710 245 21 19.0 8.9 | 227 15 10.7 10.0 8 250 10990 260 29 28.6 5.0 | 253 21 20.3 6.1 9 200 12470 260 36 35.5 6.3 | 255 28 27.2 7.3 10 150 14260 250 31 29.1 10.6 | 241 24 20.8 11.7 11 100 16620 305 27 22.1 -15.5 | 316 20 13.8 -14.4 Wind Parameters Mean winds (0-6000m): 247.5 at 11.2 knts Storm direction: 277.5 at 8.4 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 116.9 deg Storm rel helicity (0-3000m) pos: 58.4 neg: 0.0 tot: 58.4 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 18.53 Bulk Shear: 16.59 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 ------------------------------------------------------------------------------- 500 164 3 113 10| 4.8 0.0 4.8| 10.5 0.0 10.5 21.0 0.82| 4.8 4.0 1000 174 5 126 11| 4.2 0.0 4.2| 22.9 0.0 22.9 22.9 0.83| 4.7 3.9 1500 180 7 133 11| 2.8 0.0 2.8| 28.0 0.0 28.0 18.7 0.81| 3.9 3.1 2000 188 7 139 11| 2.6 0.0 2.6| 37.9 0.0 37.9 19.0 0.84| 3.8 3.2 2500 198 8 148 11| 2.5 0.0 2.5| 48.1 0.0 48.1 19.3 0.87| 3.9 3.4 3000 211 9 158 10| 2.5 0.0 2.5| 58.4 0.0 58.4 19.5 0.89| 4.1 3.6 4000 229 10 177 8| 1.8 0.0 1.8| 64.9 0.0 64.9 16.2 0.87| 3.6 3.1 5000 240 11 190 7| 1.3 0.0 1.3| 67.6 0.0 67.6 13.5 0.86| 3.2 2.7 6000 248 11 201 6| 1.0 0.0 1.1| 69.3 -0.8 68.5 11.4 0.80| 2.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250430.00.gif