UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 22 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 1009 9 25.0 23.2 90 1.8 23.7 150 5 297.4 300.7 296.5 349.6 18.02 1 1002 70 23.6 22.8 95 0.8 23.0 158 14 296.6 299.8 296.1 347.7 17.70 2 1000 87 24.0 23.1 95 0.9 23.3 160 17 297.1 300.4 296.5 349.5 18.07 3 974 319 25.4 21.9 81 3.5 22.9 179 19 300.8 304.0 297.0 351.4 17.23 4 948 559 29.0 16.0 45 13.0 20.1 198 21 306.8 309.1 295.1 343.4 12.15 5 925 778 27.8 17.8 55 10.0 20.8 215 23 307.7 310.4 296.6 350.0 14.00 6 850 1522 22.2 16.2 69 6.0 18.0 240 21 309.4 312.0 296.9 351.2 13.76 7 770 2373 15.6 11.0 74 4.6 12.6 243 20 311.2 313.2 295.3 344.2 10.77 8 700 3178 11.0 4.0 62 7.0 6.9 245 19 314.7 316.1 293.7 337.6 7.30 9 662 3642 7.8 2.8 71 5.0 4.9 246 18 316.1 317.5 294.0 338.5 7.09 10 646 3844 6.8 -4.2 45 11.0 1.3 246 18 317.2 318.1 292.0 331.2 4.34 11 636 3972 5.8 0.9 71 4.9 3.1 246 18 317.5 318.7 293.8 338.0 6.44 12 607 4353 3.6 -0.4 75 4.0 1.4 247 17 319.2 320.4 294.0 338.9 6.13 13 598 4475 2.8 -3.2 65 6.0 -0.3 247 17 319.7 320.6 293.3 336.0 5.06 14 591 4570 2.6 -10.4 38 13.0 -3.1 248 17 320.5 321.1 291.7 330.2 2.93 15 589 4598 2.8 -14.2 27 17.0 -4.0 248 17 321.1 321.5 291.2 328.3 2.16 16 582 4695 1.8 -3.2 69 5.0 -0.8 248 17 321.0 322.0 293.8 337.9 5.20 17 576 4778 1.6 -5.4 60 7.0 -1.9 248 17 321.7 322.6 293.4 336.2 4.44 18 572 4835 1.8 -18.2 21 20.0 -5.5 248 17 322.6 322.9 291.2 328.1 1.59 19 564 4948 1.2 -25.8 11 27.0 -7.1 248 16 323.2 323.3 290.6 326.1 0.83 20 560 5006 0.6 -9.4 47 10.0 -3.9 248 16 323.1 323.8 292.9 334.3 3.35 21 558 5034 0.6 -18.4 23 19.0 -6.3 248 16 323.5 323.8 291.4 329.0 1.61 22 556 5063 0.6 -5.4 64 6.0 -2.4 248 16 323.8 324.7 294.1 339.0 4.60 23 548 5180 0.2 -16.8 27 17.0 -6.2 249 16 324.7 325.0 292.0 331.1 1.87 24 521 5584 -2.9 -9.9 58 7.0 -6.0 249 15 325.6 326.3 293.6 337.3 3.46 25 519 5614 -2.5 -14.5 39 12.0 -7.3 249 15 326.5 327.0 293.0 334.7 2.39 26 505 5831 -3.5 -12.5 50 9.0 -7.3 250 15 327.8 328.4 293.7 337.7 2.90 27 502 5878 -3.9 -14.9 42 11.0 -8.2 250 15 327.9 328.4 293.3 336.1 2.40 28 500 5910 -4.1 -15.1 42 11.0 -8.4 250 15 328.0 328.5 293.4 336.2 2.37 29 493 6021 -4.7 -22.7 23 18.0 -10.5 250 15 328.6 328.9 292.6 333.1 1.25 30 459 6578 -9.1 -15.1 62 6.0 -11.4 248 17 329.9 330.4 294.0 338.8 2.58 31 456 6629 -9.5 -17.5 52 8.0 -12.3 248 17 330.0 330.5 293.7 337.4 2.12 32 448 6765 -10.7 -15.0 71 4.3 -12.3 248 17 330.2 330.7 294.1 339.4 2.66 33 447 6782 -10.7 -12.2 89 1.5 -11.3 247 17 330.4 331.1 294.8 341.9 3.36 34 444 6834 -10.7 -20.7 44 10.0 -13.9 247 17 331.1 331.4 293.6 336.9 1.66 35 440 6903 -10.5 -15.5 67 5.0 -12.4 247 17 332.2 332.7 294.6 341.2 2.60 36 438 6938 -10.5 -18.5 52 8.0 -13.3 247 17 332.6 333.0 294.3 339.7 2.03 37 418 7296 -13.1 -28.1 27 15.0 -17.0 246 18 333.7 333.9 293.6 337.1 0.90 38 415 7351 -13.3 -22.3 47 9.0 -16.1 246 18 334.2 334.5 294.3 339.7 1.54 39 411 7424 -13.7 -28.7 27 15.0 -17.5 246 19 334.6 334.8 293.8 337.8 0.87 40 408 7480 -14.1 -21.1 55 7.0 -16.3 245 19 334.8 335.1 294.6 341.0 1.74 41 400 7630 -15.1 -24.1 46 9.0 -17.7 245 19 335.4 335.6 294.4 340.3 1.36 42 375 8114 -17.3 -29.3 34 12.0 -20.3 249 19 338.7 338.9 294.8 342.1 0.90 43 346 8709 -21.5 -50.5 5 29.0 -25.1 255 18 340.9 340.9 294.6 341.3 0.11 44 300 9740 -29.7 -43.7 24 14.0 -31.4 265 17 343.5 343.6 295.4 344.6 0.27 45 250 11020 -39.7 -42.5 75 2.8 -40.0 255 19 347.0 347.1 296.3 348.5 0.36 46 227 11669 -45.3 -48.3 72 3.0 -45.5 272 15 348.2 348.2 296.4 349.1 0.21 47 203 12403 -50.3 -56.3 49 6.0 -50.5 292 10 351.6 351.6 297.1 352.0 0.09 48 200 12500 -51.3 -56.3 55 5.0 -51.5 295 9 351.5 351.6 297.0 351.9 0.09 49 184 13036 -55.7 -60.0 59 4.3 -55.8 249 8 352.9 352.9 297.3 353.2 0.06 50 173 13426 -58.5 -76.5 8 18.0 -58.7 214 7 354.5 354.5 297.6 354.6 0.01 51 150 14310 -64.9 -79.9 11 15.0 -65.0 135 5 358.3 358.3 298.4 358.3 0.00 52 143 14600 -67.5 -80.5 14 13.0 -67.6 139 5 358.7 358.7 298.4 358.7 0.00 53 111 16093 -76.5 -83.5 32 7.0 -76.5 157 6 368.7 368.8 300.4 368.8 0.00 54 101 16633 -79.1 -87.1 26 8.0 -79.1 164 7 373.8 373.8 301.2 373.8 0.00 55 100 16690 -79.1 -87.1 26 8.0 -79.1 165 7 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 546.26 mb = 5205.93 m = 17079.62 ft Wetbulb zero: 599.45 mb = 4455.06 m = 14616.17 ft Precipitable water: 2.03 inches Sfc-500 mean rel hum: 61.12 % Est. max temperature: 36.84 C = 98.32 F Sfc-Lift cond lev (LCL): 983.31 mb = 235.23 m = 771.76 ft T: 24.89 C 700-500 lapse rate: 5.53 C/km ThetaE index: 13.67 C Layer 770.0- 662.0 mb Conv cond level (CCL): 779.14 mb = 2271.66 m = 7452.87 ft Mean mixing ratio: 15.21 g/kg Conv temperature: 38.61 C = 101.49 F Cap Strength: 5.33 C Lifted Index: -0.66 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.60 C Lifted Index @700 mb: 0.78 C Showalter Index: -1.60 C Risk: Thunderstorms probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 20.30 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 298.11 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 259.26 J/kg Max Up Vert Vel: 22.77 m/s Conv Inhibition (B-): 278.62 J/kg Cap Strength: 5.33 C Lift Cond Lev (LCL): 865.63 mb = 1361.62 m = 4467.22 ft Lev Free Conv (LFC): 670.63 mb = 3534.21 m = 11595.03 ft Equ Level (EL): 250.63 mb = 11002.19 m = 36096.00 ft B at Equ Level: 258.19 J/kg Max Parcel Lev (MPL): 160.63 mb = 13885.77 m = 45556.44 ft Wind level data Storm motion: 267 at 14 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 1009 9 150 5 -2.5 4.3 | 102 17 -16.5 3.6 1 1000 87 160 17 -5.8 16.0 | 128 25 -19.8 15.3 2 925 778 215 23 13.2 18.8 | 178 18 -0.8 18.1 3 850 1522 240 21 18.2 10.5 | 203 11 4.2 9.8 4 700 3178 245 19 17.2 8.0 | 204 8 3.3 7.3 5 500 5910 250 15 14.1 5.1 | 182 4 0.1 4.4 6 400 7630 245 19 17.2 8.0 | 204 8 3.3 7.3 7 300 9740 265 17 16.9 1.5 | 255 3 3.0 0.8 8 250 11020 255 19 18.4 4.9 | 226 6 4.4 4.2 9 200 12500 295 9 8.2 -3.8 | 52 7 -5.8 -4.5 10 150 14310 135 5 -3.5 3.5 | 99 18 -17.5 2.8 11 100 16690 165 7 -1.8 6.8 | 111 17 -15.8 6.1 Wind Parameters Mean winds (0-6000m): 237.1 at 18.6 knts Storm direction: 267.1 at 14.0 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 101.7 deg Storm rel helicity (0-3000m) pos: 179.2 neg: -0.0 tot: 179.2 m^2/s^2 ave: 59.7 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 5.9 10^-3/s Energy-Hel index: 0.29 Bulk Rich Number: 5.83 Bulk Shear: 44.44 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 ------------------------------------------------------------------------------- 500 176 18 138 23| 17.9 0.0 17.9|114.0 0.0 114.0 228.1 0.85| 24.3 20.7 1000 198 20 157 20| 11.0 0.0 11.0|164.0 0.0 164.0 164.0 0.85| 18.1 15.4 1500 210 21 168 17| 7.4 0.0 7.4|178.6 0.0 178.6 119.1 0.82| 14.3 11.7 2000 218 21 175 16| 5.4 0.0 5.4|179.1 0.0 179.1 89.6 0.81| 11.0 8.8 2500 223 20 180 14| 4.3 0.0 4.3|179.2 0.0 179.2 71.7 0.79| 8.9 7.1 3000 227 20 184 13| 3.5 0.0 3.5|179.2 -0.0 179.2 59.7 0.78| 7.6 5.9 4000 232 20 188 12| 2.4 0.0 2.4|179.2 -1.0 178.3 44.6 0.74| 5.9 4.4 5000 235 19 190 11| 1.8 0.0 1.8|179.2 -2.2 177.0 35.4 0.70| 4.9 3.4 6000 237 19 190 10| 1.4 0.0 1.4|179.5 -3.4 176.0 29.3 0.66| 4.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250422.00.gif