UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 23 APR 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1004 6 28.8 24.9 80 3.9 25.9 120 1 301.6 305.3 298.9 361.1 20.12 1 1000 37 28.4 24.8 81 3.6 25.7 120 1 301.5 305.2 298.9 360.9 20.08 2 941 576 24.0 23.1 95 0.9 23.3 167 15 302.4 305.9 298.6 359.4 19.24 3 926 718 26.0 24.4 91 1.6 24.8 179 19 305.8 309.8 300.5 369.7 21.21 4 925 728 26.0 24.5 91 1.5 24.9 180 19 305.9 309.9 300.6 370.3 21.37 5 915 824 25.4 24.0 92 1.4 24.4 188 18 306.2 310.1 300.5 369.4 20.95 6 901 960 26.8 20.8 70 6.0 22.4 200 17 309.0 312.3 299.1 362.0 17.42 7 863 1341 25.2 16.2 57 9.0 18.9 233 12 311.2 313.8 297.2 352.7 13.55 8 850 1475 24.0 16.0 61 8.0 18.4 245 11 311.3 313.9 297.3 352.9 13.58 9 800 2003 20.6 12.6 60 8.0 15.2 236 9 313.1 315.3 296.4 348.8 11.54 10 708 3045 11.8 8.8 82 3.0 9.9 217 5 314.5 316.5 295.7 345.9 10.10 11 700 3140 11.2 7.3 77 3.9 8.8 215 5 314.9 316.7 295.2 343.6 9.21 12 670 3506 10.0 4.0 66 6.0 6.5 221 8 317.5 319.0 294.7 341.7 7.63 13 557 5014 -1.1 -2.3 92 1.2 -1.7 246 21 321.6 322.8 294.4 340.4 5.81 14 544 5202 -2.5 -4.4 87 1.9 -3.4 249 23 322.1 323.1 294.0 338.7 5.08 15 540 5261 -2.1 -5.9 75 3.8 -4.0 250 24 323.3 324.2 293.9 338.3 4.56 16 524 5500 -3.3 -5.0 88 1.7 -4.1 254 26 324.6 325.6 294.6 341.2 5.04 17 508 5745 -4.9 -4.9 100 0.0 -4.9 258 28 325.6 326.6 295.0 342.9 5.24 18 500 5870 -5.5 -7.5 86 2.0 -6.4 260 29 326.3 327.2 294.5 340.8 4.36 19 456 6586 -9.3 -13.6 71 4.3 -11.0 266 27 330.3 330.9 294.4 340.4 2.94 20 449 6705 -8.9 -26.9 22 18.0 -14.0 267 27 332.3 332.4 293.2 335.7 0.94 21 445 6774 -9.3 -20.3 40 11.0 -13.0 268 27 332.6 332.9 294.0 338.7 1.71 22 423 7164 -11.7 -27.7 25 16.0 -16.0 271 26 334.4 334.6 293.8 337.8 0.93 23 416 7291 -12.5 -23.5 39 11.0 -15.8 272 26 335.0 335.2 294.3 340.0 1.38 24 414 7328 -11.9 -25.9 30 14.0 -15.9 273 26 336.2 336.4 294.4 340.3 1.12 25 402 7552 -13.7 -20.7 55 7.0 -16.0 275 25 336.7 337.1 295.1 343.3 1.83 26 400 7590 -13.9 -21.9 51 8.0 -16.4 275 25 336.9 337.3 295.0 342.9 1.66 27 398 7628 -13.9 -31.9 20 18.0 -18.1 274 25 337.4 337.5 294.3 339.9 0.66 28 387 7840 -15.3 -49.3 4 34.0 -20.3 270 24 338.3 338.3 294.0 338.7 0.11 29 370 8178 -18.3 -26.3 49 8.0 -20.4 264 22 338.7 338.9 295.1 343.1 1.21 30 366 8259 -18.3 -33.3 26 15.0 -21.5 263 22 339.7 339.9 294.8 342.1 0.63 31 355 8486 -20.3 -27.3 54 7.0 -22.1 258 21 340.0 340.3 295.3 344.3 1.15 32 331 9000 -24.3 -28.9 66 4.6 -25.4 249 18 341.4 341.6 295.6 345.4 1.06 33 317 9314 -26.7 -31.2 66 4.5 -27.6 243 17 342.3 342.5 295.7 345.7 0.89 34 300 9710 -28.7 -39.7 34 11.0 -30.3 235 15 344.9 345.0 295.8 346.5 0.40 35 299 9734 -28.7 -40.7 31 12.0 -30.4 235 15 345.3 345.3 295.9 346.7 0.37 36 298 9758 -29.1 -41.1 30 12.0 -30.7 236 15 345.0 345.1 295.8 346.4 0.35 37 274 10353 -33.9 -42.9 40 9.0 -34.9 242 16 346.5 346.5 296.1 347.7 0.32 38 271 10430 -34.5 -50.5 18 16.0 -35.8 243 16 346.7 346.7 296.0 347.3 0.14 39 268 10508 -34.9 -44.9 35 10.0 -36.0 244 16 347.2 347.3 296.3 348.3 0.26 40 250 10990 -38.9 -49.9 30 11.0 -39.7 250 17 348.2 348.3 296.4 348.9 0.16 41 236 11382 -42.5 -51.5 37 9.0 -43.0 250 18 348.6 348.6 296.4 349.2 0.14 42 233 11469 -43.1 -60.1 14 17.0 -43.9 250 18 348.9 349.0 296.4 349.2 0.05 43 222 11793 -45.7 -54.7 36 9.0 -46.2 250 19 349.8 349.8 296.7 350.2 0.10 44 200 12480 -51.1 -62.1 26 11.0 -51.4 250 21 351.8 351.9 297.1 352.0 0.04 45 180 13156 -55.5 -69.5 16 14.0 -55.8 245 17 355.4 355.4 297.8 355.5 0.02 46 150 14290 -64.7 -72.7 32 8.0 -64.8 235 11 358.6 358.6 298.4 358.7 0.01 47 130 15148 -71.5 -76.5 47 5.0 -71.5 251 11 361.4 361.4 299.0 361.5 0.01 48 100 16670 -78.1 -86.1 26 8.0 -78.1 280 11 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5833.00 m Freezing level: 568.20 mb = 4864.09 m = 15958.09 ft Wetbulb zero: 580.94 mb = 4669.95 m = 15321.19 ft Precipitable water: 2.42 inches Sfc-500 mean rel hum: 76.92 % Est. max temperature: 38.46 C = 101.23 F Sfc-Lift cond lev (LCL): 949.37 mb = 497.94 m = 1633.64 ft T: 24.64 C 700-500 lapse rate: 6.12 C/km ThetaE index: 17.60 C Layer 915.0- 850.0 mb Conv cond level (CCL): 808.40 mb = 1912.08 m = 6273.16 ft Mean mixing ratio: 19.92 g/kg Conv temperature: 40.00 C = 104.01 F Cap Strength: 4.22 C Lifted Index: -6.69 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.75 C Lifted Index @700 mb: -2.59 C Showalter Index: -3.53 C Risk: Severe thunderstorms possible Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 21.50 C K Index: 41.60 Risk: > 80 % chance of thunderstorms Sweat Index: 283.00 Risk: None Energy Index: -2.36 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2643.69 J/kg Max Up Vert Vel: 72.71 m/s Conv Inhibition (B-): 159.82 J/kg Cap Strength: 4.22 C Lift Cond Lev (LCL): 923.99 mb = 737.70 m = 2420.23 ft Lev Free Conv (LFC): 748.99 mb = 2564.87 m = 8414.83 ft Equ Level (EL): 118.99 mb = 15661.56 m = 51382.43 ft B at Equ Level: 2592.41 J/kg Wind level data Storm motion: 270 at 10 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 6 120 1 -0.9 0.5 | 93 11 -11.2 0.5 1 1000 37 120 1 -0.9 0.5 | 93 11 -11.2 0.5 2 925 728 180 19 0.0 19.0 | 152 22 -10.3 19.0 3 850 1475 245 11 10.0 4.6 | 176 5 -0.3 4.7 4 700 3140 215 5 2.9 4.1 | 119 8 -7.4 4.1 5 500 5870 260 29 28.6 5.0 | 254 19 18.3 5.1 6 400 7590 275 25 24.9 -2.2 | 278 15 14.6 -2.1 7 300 9710 235 15 12.3 8.6 | 193 9 2.0 8.6 8 250 10990 250 17 16.0 5.8 | 224 8 5.7 5.8 9 200 12480 250 21 19.7 7.2 | 233 12 9.4 7.2 10 150 14290 235 11 9.0 6.3 | 169 6 -1.3 6.3 11 100 16670 280 11 10.8 -1.9 | 344 2 0.5 -1.9 Wind Parameters Mean winds (0-6000m): 240.2 at 13.7 knts Storm direction: 270.2 at 10.3 knts Shear (0-3000m) pos: 2.0 neg: 1.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 29.5 deg Storm rel helicity (0-3000m) pos: 114.4 neg: -10.1 tot: 104.3 m^2/s^2 ave: 34.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.2 10^-3/s Energy-Hel index: 1.89 Bulk Rich Number: 95.59 Bulk Shear: 27.66 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 ------------------------------------------------------------------------------- 500 158 7 116 14| 12.8 0.0 12.8| 44.0 0.0 44.0 88.0 0.78| 13.8 10.7 1000 183 12 140 15| 8.2 0.0 8.2|106.7 0.0 106.7 106.7 0.78| 14.9 11.6 1500 193 12 148 14| 3.9 0.0 3.9|114.4 -0.5 114.0 76.0 0.62| 13.6 8.4 2000 204 12 153 12| 3.0 0.6 3.6|114.4 -3.4 111.0 55.5 0.53| 10.8 5.8 2500 209 11 153 11| 2.4 0.9 3.3|114.4 -6.6 107.9 43.1 0.47| 9.1 4.2 3000 211 10 150 10| 2.0 1.1 3.1|114.4 -10.1 104.3 34.8 0.41| 8.0 3.2 4000 215 10 150 9| 2.4 0.8 3.2|130.9 -10.9 120.0 30.0 0.48| 7.0 3.4 5000 225 11 164 8| 2.9 0.7 3.6|155.0 -10.9 144.1 28.8 0.55| 6.7 3.6 6000 240 14 193 7| 3.1 0.6 3.6|189.7 -10.9 178.8 29.8 0.58| 6.4 3.7 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250423.12.gif