UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 27 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 7 25.6 24.5 94 1.1 24.8 110 3 297.7 301.3 297.5 354.3 19.47 1 1009 33 24.8 24.7 99 0.1 24.7 124 4 297.2 300.8 297.6 354.5 19.77 2 1000 111 24.8 24.4 98 0.4 24.5 165 9 298.0 301.5 297.7 354.9 19.59 3 925 796 21.6 20.3 92 1.3 20.7 180 25 301.4 304.4 296.6 349.8 16.42 4 924 805 21.6 20.4 93 1.2 20.8 180 25 301.5 304.5 296.7 350.2 16.55 5 890 1132 21.2 16.2 73 5.0 17.8 196 20 304.3 306.8 295.1 343.4 13.13 6 875 1279 21.6 12.6 57 9.0 15.7 203 17 306.2 308.2 293.8 337.9 10.53 7 874 1289 21.6 13.6 60 8.0 16.3 203 17 306.3 308.4 294.4 340.2 11.27 8 850 1531 19.8 15.2 75 4.6 16.7 215 13 306.9 309.3 295.7 345.7 12.89 9 792 2138 16.0 16.0 100 0.0 16.0 230 12 309.1 311.8 297.4 353.4 14.60 10 787 2192 15.4 14.3 93 1.1 14.7 231 11 309.0 311.5 296.4 348.9 13.14 11 734 2783 13.4 7.4 67 6.0 9.7 245 10 313.0 314.7 294.4 340.5 8.84 12 727 2864 13.4 0.4 41 13.0 6.3 247 10 313.9 314.9 292.0 331.0 5.42 13 726 2875 13.2 0.2 41 13.0 6.1 247 10 313.8 314.8 291.9 330.7 5.35 14 700 3182 11.0 -2.0 40 13.0 4.2 255 9 314.7 315.6 291.6 329.7 4.72 15 696 3230 10.8 -2.2 40 13.0 4.0 256 9 315.0 315.9 291.7 329.8 4.68 16 628 4077 3.4 2.9 97 0.5 3.1 278 8 315.9 317.4 294.2 339.6 7.53 17 601 4434 1.8 -1.1 81 2.9 0.3 287 7 318.1 319.2 293.5 336.9 5.88 18 548 5171 -4.7 -5.1 97 0.4 -4.9 306 6 318.8 319.8 292.9 334.3 4.78 19 544 5229 -3.7 -9.7 63 6.0 -6.3 307 6 320.7 321.4 292.2 331.8 3.37 20 542 5258 -0.9 -31.9 7 31.0 -9.0 308 6 324.4 324.5 290.6 326.2 0.49 21 541 5273 -0.7 -30.7 8 30.0 -8.8 309 6 324.8 324.9 290.8 326.8 0.55 22 525 5513 -1.9 -30.9 9 29.0 -9.6 315 6 326.1 326.3 291.2 328.2 0.55 23 500 5900 -4.3 -34.3 8 30.0 -11.5 325 5 327.8 327.9 291.5 329.4 0.42 24 451 6699 -10.9 -31.9 16 21.0 -15.8 320 6 329.3 329.4 292.1 331.5 0.59 25 438 6923 -11.5 -43.5 5 32.0 -17.1 319 6 331.3 331.4 292.3 332.1 0.19 26 411 7406 -14.5 -39.5 10 25.0 -19.1 316 7 333.5 333.6 293.0 334.7 0.30 27 406 7498 -15.3 -24.3 46 9.0 -17.9 316 7 333.7 333.9 293.9 338.4 1.32 28 400 7610 -15.7 -38.7 12 23.0 -20.0 315 7 334.6 334.7 293.3 335.9 0.34 29 381 7975 -17.9 -28.9 38 11.0 -20.5 310 8 336.4 336.6 294.3 339.8 0.92 30 372 8153 -18.7 -46.7 7 28.0 -22.7 307 9 337.6 337.7 293.9 338.2 0.15 31 352 8562 -21.3 -59.3 2 38.0 -25.0 302 10 339.5 339.5 294.2 339.6 0.04 32 334 8947 -23.9 -56.9 3 33.0 -27.1 296 11 341.1 341.1 294.6 341.3 0.05 33 300 9720 -30.3 -61.3 3 31.0 -32.4 285 13 342.7 342.7 295.0 342.8 0.03 34 297 9792 -30.9 -41.9 33 11.0 -32.3 285 13 342.8 342.9 295.3 344.1 0.32 35 287 10034 -33.1 -50.1 17 17.0 -34.6 285 14 343.0 343.1 295.2 343.6 0.14 36 278 10258 -35.1 -51.1 18 16.0 -36.4 285 15 343.3 343.3 295.2 343.8 0.13 37 272 10410 -36.5 -44.5 43 8.0 -37.3 285 15 343.4 343.5 295.4 344.5 0.27 38 270 10461 -36.9 -38.4 86 1.5 -37.1 285 15 343.6 343.7 295.6 345.6 0.51 39 259 10748 -39.1 -46.1 47 7.0 -39.7 285 16 344.4 344.5 295.6 345.4 0.24 40 253 10909 -40.5 -44.2 68 3.7 -40.8 285 17 344.7 344.7 295.7 345.9 0.30 41 250 10990 -41.1 -45.1 65 4.0 -41.4 285 17 345.0 345.0 295.7 346.1 0.27 42 238 11322 -43.5 -51.5 41 8.0 -44.0 286 20 346.2 346.3 295.9 346.8 0.14 43 233 11465 -44.7 -47.0 78 2.3 -44.9 287 21 346.5 346.6 296.1 347.5 0.24 44 231 11522 -44.7 -58.7 19 14.0 -45.3 287 21 347.4 347.4 296.1 347.6 0.06 45 200 12470 -52.3 -56.3 62 4.0 -52.4 290 29 349.9 350.0 296.7 350.3 0.09 46 191 12766 -54.9 -58.5 64 3.6 -55.0 288 30 350.4 350.4 296.8 350.7 0.07 47 179 13178 -58.1 -73.1 13 15.0 -58.3 284 31 351.7 351.7 297.0 351.8 0.01 48 164 13724 -62.5 -73.5 21 11.0 -62.6 280 32 353.3 353.3 297.4 353.3 0.01 49 150 14270 -66.1 -74.1 32 8.0 -66.2 275 33 356.2 356.2 298.0 356.3 0.01 50 131 15077 -72.5 -77.5 47 5.0 -72.5 254 25 358.8 358.8 298.5 358.9 0.01 51 102 16518 -79.9 -85.9 36 6.0 -79.9 215 9 371.2 371.2 300.8 371.3 0.00 52 100 16630 -79.5 -85.5 36 6.0 -79.5 250 7 374.1 374.1 301.3 374.1 0.00 TRP 102 16518 -79.9 -85.9 36 6.0 -79.9 215 9 371.2 371.2 300.8 371.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 586.32 mb = 4637.75 m = 15215.54 ft Wetbulb zero: 598.39 mb = 4468.35 m = 14659.75 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 70.94 % Est. max temperature: 34.50 C = 94.11 F Sfc-Lift cond lev (LCL): 996.41 mb = 142.59 m = 467.81 ft T: 24.65 C 700-500 lapse rate: 5.63 C/km ThetaE index: 23.74 C Layer 787.0- 696.0 mb Conv cond level (CCL): 929.10 mb = 757.13 m = 2483.99 ft Mean mixing ratio: 17.92 g/kg Conv temperature: 29.08 C = 84.34 F Cap Strength: 2.36 C Lifted Index: -2.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.13 C Lifted Index @700 mb: -0.21 C Showalter Index: 0.25 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.50 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 213.40 Risk: None Energy Index: -3.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1108.46 J/kg Max Up Vert Vel: 47.08 m/s Conv Inhibition (B-): 63.74 J/kg Cap Strength: 2.19 C Lift Cond Lev (LCL): 949.36 mb = 567.60 m = 1862.19 ft Lev Free Conv (LFC): 704.36 mb = 3129.80 m = 10268.23 ft Equ Level (EL): 174.36 mb = 13341.93 m = 43772.20 ft B at Equ Level: 1105.88 J/kg Wind level data Storm motion: 255 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 7 110 3 -2.8 1.0 | 84 10 -10.4 -1.1 1 1000 111 165 9 -2.3 8.7 | 124 12 -9.9 6.6 2 925 796 180 25 0.0 25.0 | 162 24 -7.6 22.9 3 850 1531 215 13 7.5 10.6 | 179 9 -0.2 8.6 4 700 3182 255 9 8.7 2.3 | 258 1 1.1 0.2 5 500 5900 325 5 2.9 -4.1 | 38 8 -4.7 -6.2 6 400 7610 315 7 4.9 -4.9 | 21 8 -2.7 -7.0 7 300 9720 285 13 12.6 -3.4 | 318 7 4.9 -5.5 8 250 10990 285 17 16.4 -4.4 | 306 11 8.8 -6.5 9 200 12470 290 29 27.3 -9.9 | 301 23 19.6 -12.0 10 150 14270 275 33 32.9 -2.9 | 281 26 25.3 -5.0 11 102 16518 215 9 5.2 7.4 | 155 6 -2.5 5.3 12 100 16630 250 7 6.6 2.4 | 106 1 -1.0 0.3 Wind Parameters Mean winds (0-6000m): 224.6 at 10.5 knts Storm direction: 254.6 at 7.9 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 147.4 deg Storm rel helicity (0-3000m) pos: 106.5 neg: 0.0 tot: 106.5 m^2/s^2 ave: 35.5 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 4.8 10^-3/s Energy-Hel index: 0.72 Bulk Rich Number: 74.54 Bulk Shear: 14.87 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 ------------------------------------------------------------------------------- 500 169 12 134 14| 17.6 0.0 17.6| 48.2 0.0 48.2 96.4 0.83| 17.8 14.8 1000 178 17 151 17| 10.9 0.0 10.9| 89.9 0.0 89.9 89.9 0.74| 15.1 11.2 1500 184 17 157 16| 4.9 0.0 4.9|101.6 0.0 101.6 67.7 0.61| 13.9 8.4 2000 190 16 161 15| 3.5 0.0 3.5|104.1 0.0 104.1 52.1 0.59| 11.2 6.6 2500 196 15 165 13| 2.6 0.0 2.6|105.6 0.0 105.6 42.3 0.58| 9.5 5.6 3000 201 14 168 11| 2.0 0.0 2.0|106.5 0.0 106.5 35.5 0.58| 8.4 4.8 4000 211 13 173 9| 1.4 0.0 1.4|107.7 0.0 107.7 26.9 0.59| 6.8 4.0 5000 219 12 178 7| 1.0 0.0 1.0|110.0 0.0 110.0 22.0 0.59| 5.8 3.4 6000 225 11 178 5| 0.7 0.0 0.7|113.2 -0.3 113.0 18.8 0.59| 5.1 3.0 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250427.00.gif