UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 23 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 1007 8 24.6 22.9 90 1.7 23.4 170 1 297.2 300.4 296.3 348.5 17.72 1 1002 52 23.8 22.7 94 1.1 23.0 174 14 296.8 300.0 296.1 347.6 17.59 2 1000 69 24.0 22.9 94 1.1 23.2 175 19 297.1 300.4 296.4 348.8 17.85 3 988 175 25.0 23.2 90 1.8 23.7 186 20 299.2 302.5 297.3 353.0 18.41 4 972 320 28.6 19.6 58 9.0 22.2 200 20 304.2 307.0 296.3 348.7 14.93 5 958 450 29.2 19.2 55 10.0 22.1 214 21 306.1 308.8 296.7 350.4 14.77 6 942 601 28.8 19.8 58 9.0 22.3 229 22 307.2 310.1 297.5 354.2 15.62 7 925 763 27.8 18.8 58 9.0 21.3 245 23 307.7 310.5 297.3 352.8 14.93 8 850 1508 22.2 16.2 69 6.0 18.0 250 21 309.4 312.0 296.9 351.2 13.76 9 732 2788 12.2 11.0 92 1.2 11.4 258 13 312.0 314.1 296.0 346.9 11.34 10 700 3162 10.0 8.2 89 1.8 8.9 260 11 313.6 315.4 295.3 344.0 9.80 11 678 3427 8.6 3.7 71 4.9 5.8 256 12 314.9 316.3 293.9 338.0 7.38 12 664 3599 7.4 5.2 86 2.2 6.1 254 13 315.4 317.0 294.7 341.7 8.39 13 657 3686 7.6 2.6 71 5.0 4.7 252 13 316.6 317.9 294.0 338.9 7.04 14 602 4398 1.2 0.2 93 1.0 0.7 242 15 317.2 318.5 293.7 337.7 6.46 15 597 4465 2.4 -1.8 74 4.2 0.2 241 16 319.4 320.4 293.7 337.4 5.62 16 572 4810 0.6 -4.2 70 4.8 -1.8 236 17 321.2 322.1 293.6 337.1 4.90 17 567 4881 0.6 -9.4 47 10.0 -3.8 235 17 322.0 322.6 292.5 332.9 3.31 18 552 5095 -1.3 -3.6 84 2.3 -2.5 232 18 322.2 323.3 294.2 339.5 5.32 19 534 5359 -2.3 -7.3 69 5.0 -4.7 228 19 324.1 324.9 293.8 337.8 4.14 20 530 5419 -2.1 -14.1 39 12.0 -6.9 227 19 325.0 325.5 292.6 333.2 2.42 21 524 5509 -2.7 -7.7 68 5.0 -5.0 226 20 325.4 326.2 294.1 339.0 4.09 22 521 5555 -2.7 -12.7 46 10.0 -6.8 225 20 325.9 326.4 293.1 335.3 2.76 23 519 5585 -3.1 -6.4 78 3.3 -4.7 224 20 325.8 326.7 294.6 340.9 4.57 24 517 5616 -3.3 -5.7 83 2.4 -4.5 224 20 325.9 326.8 294.8 341.9 4.84 25 507 5770 -3.9 -11.9 54 8.0 -7.3 222 21 327.0 327.6 293.6 337.3 3.03 26 502 5849 -4.5 -7.0 83 2.5 -5.7 220 21 327.2 328.1 294.8 342.2 4.51 27 500 5880 -4.5 -8.3 75 3.8 -6.2 220 21 327.6 328.4 294.6 341.3 4.09 28 494 5976 -4.5 -12.5 54 8.0 -7.8 220 21 328.7 329.3 294.0 338.8 2.96 29 492 6008 -4.9 -9.3 71 4.4 -6.9 220 21 328.6 329.3 294.7 341.6 3.84 30 463 6485 -7.7 -20.7 34 13.0 -12.1 220 21 330.8 331.2 293.4 336.5 1.59 31 430 7057 -12.7 -14.3 88 1.6 -13.3 220 21 331.6 332.1 294.7 341.7 2.94 32 428 7093 -12.9 -13.8 93 0.9 -13.3 220 21 331.7 332.4 294.9 342.3 3.08 33 423 7183 -12.3 -20.3 51 8.0 -14.9 220 21 333.6 334.0 294.3 340.0 1.80 34 417 7293 -12.7 -29.7 23 17.0 -17.0 220 21 334.5 334.6 293.7 337.4 0.78 35 412 7385 -13.5 -20.5 56 7.0 -15.8 220 21 334.6 335.0 294.6 341.1 1.82 36 404 7534 -14.7 -19.0 70 4.3 -16.2 220 21 334.9 335.4 294.9 342.4 2.11 37 400 7610 -15.1 -20.0 66 4.9 -16.7 220 21 335.4 335.8 294.9 342.3 1.95 38 393 7743 -15.3 -27.3 35 12.0 -18.5 222 21 336.8 337.0 294.5 340.6 1.04 39 377 8055 -17.9 -30.9 31 13.0 -20.9 226 19 337.4 337.5 294.4 340.3 0.77 40 375 8094 -17.9 -23.9 59 6.0 -19.6 227 19 337.9 338.2 295.1 343.3 1.48 41 372 8154 -18.3 -28.3 41 10.0 -20.8 228 19 338.1 338.4 294.8 341.9 1.00 42 369 8214 -18.7 -23.0 69 4.3 -20.0 228 19 338.4 338.7 295.3 344.3 1.63 43 357 8459 -20.3 -28.3 49 8.0 -22.2 232 18 339.5 339.7 295.1 343.3 1.04 44 351 8584 -21.1 -42.1 13 21.0 -24.4 234 17 340.0 340.1 294.6 341.1 0.27 45 338 8861 -23.5 -45.5 11 22.0 -26.4 238 16 340.5 340.5 294.6 341.2 0.19 46 317 9326 -27.1 -51.1 8 24.0 -29.6 244 15 341.8 341.8 294.8 342.2 0.11 47 314 9394 -27.5 -37.5 38 10.0 -29.1 245 14 342.1 342.2 295.3 344.0 0.48 48 311 9463 -28.1 -37.1 42 9.0 -29.5 246 14 342.2 342.3 295.3 344.2 0.51 49 300 9720 -29.7 -41.7 30 12.0 -31.3 250 13 343.5 343.6 295.5 344.8 0.33 50 296 9816 -29.7 -46.7 18 17.0 -31.6 250 13 344.8 344.9 295.7 345.6 0.19 51 276 10312 -33.5 -49.5 19 16.0 -35.0 252 13 346.3 346.4 296.0 346.9 0.15 52 250 11000 -39.5 -44.2 61 4.7 -39.9 255 13 347.3 347.4 296.3 348.6 0.30 53 226 11680 -45.3 -48.4 71 3.1 -45.5 269 14 348.6 348.7 296.5 349.5 0.21 54 200 12480 -52.3 -55.5 68 3.2 -52.4 285 15 349.9 350.0 296.7 350.4 0.10 55 182 13082 -57.3 -60.3 69 3.0 -57.4 295 12 351.4 351.4 297.0 351.6 0.06 56 173 13401 -59.9 -62.4 72 2.5 -60.0 300 10 352.2 352.2 297.1 352.4 0.05 57 158 13963 -62.9 -67.9 51 5.0 -63.0 310 7 356.4 356.4 298.0 356.5 0.03 58 150 14280 -65.9 -69.8 58 3.9 -66.0 315 5 356.6 356.6 298.0 356.7 0.02 59 100 16660 -79.7 -85.7 36 6.0 -79.7 155 5 373.7 373.7 301.2 373.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 562.26 mb = 4948.38 m = 16234.65 ft Wetbulb zero: 594.55 mb = 4498.59 m = 14758.98 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 74.60 % Est. max temperature: 36.71 C = 98.08 F Sfc-Lift cond lev (LCL): 982.76 mb = 222.59 m = 730.29 ft T: 26.17 C 700-500 lapse rate: 5.33 C/km ThetaE index: 16.18 C Layer 925.0- 664.0 mb Conv cond level (CCL): 788.58 mb = 2150.12 m = 7054.11 ft Mean mixing ratio: 15.82 g/kg Conv temperature: 38.21 C = 100.78 F Cap Strength: 4.51 C Lifted Index: -2.12 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.18 C Lifted Index @700 mb: -1.04 C Showalter Index: -2.00 C Risk: Severe thunderstorms possible Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 20.70 C K Index: 41.10 Risk: > 80 % chance of thunderstorms Sweat Index: 257.40 Risk: None Energy Index: -2.01 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 781.60 J/kg Max Up Vert Vel: 39.54 m/s Conv Inhibition (B-): 203.29 J/kg Cap Strength: 4.51 C Lift Cond Lev (LCL): 862.22 mb = 1382.22 m = 4534.77 ft Lev Free Conv (LFC): 737.22 mb = 2726.67 m = 8945.66 ft Equ Level (EL): 177.22 mb = 13249.39 m = 43468.59 ft B at Equ Level: 776.07 J/kg Max Parcel Lev (MPL): 107.22 mb = 16250.67 m = 53315.21 ft Wind level data Storm motion: 268 at 13 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 1007 8 170 1 -0.2 1.0 | 92 13 -13.1 0.6 1 1000 69 175 19 -1.7 18.9 | 142 24 -14.6 18.5 2 925 763 245 23 20.8 9.7 | 220 12 7.9 9.3 3 850 1508 250 21 19.7 7.2 | 225 10 6.8 6.8 4 700 3162 260 11 10.8 1.9 | 125 3 -2.1 1.5 5 500 5880 220 21 13.5 16.1 | 182 16 0.5 15.7 6 400 7610 220 21 13.5 16.1 | 182 16 0.5 15.7 7 300 9720 250 13 12.2 4.4 | 169 4 -0.8 4.0 8 250 11000 255 13 12.6 3.4 | 172 3 -0.4 2.9 9 200 12480 285 15 14.5 -3.9 | 341 5 1.5 -4.3 10 150 14280 315 5 3.5 -3.5 | 67 10 -9.4 -4.0 11 100 16660 155 5 -2.1 4.5 | 105 16 -15.1 4.1 Wind Parameters Mean winds (0-6000m): 238.1 at 17.3 knts Storm direction: 268.1 at 13.0 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 53.2 deg Storm rel helicity (0-3000m) pos: 166.5 neg: -4.3 tot: 162.2 m^2/s^2 ave: 54.1 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 6.0 10^-3/s Energy-Hel index: 0.81 Bulk Rich Number: 35.82 Bulk Shear: 21.82 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 ------------------------------------------------------------------------------- 500 197 19 157 19| 21.5 0.0 21.5|130.1 0.0 130.1 260.1 0.87| 34.7 30.2 1000 222 21 184 15| 11.4 0.0 11.4|164.9 0.0 164.9 164.9 0.87| 23.0 20.0 1500 232 21 196 13| 7.1 0.0 7.1|166.5 0.0 166.5 111.0 0.85| 16.0 13.5 2000 237 21 202 12| 4.6 0.0 4.6|166.5 -1.0 165.5 82.7 0.78| 12.8 10.0 2500 240 20 204 10| 3.1 0.0 3.1|166.5 -2.6 163.9 65.6 0.71| 10.9 7.8 3000 242 19 204 9| 2.0 0.0 2.0|166.5 -4.3 162.2 54.1 0.63| 9.6 6.0 4000 244 17 200 7| 1.5 0.4 2.0|169.0 -4.7 164.2 41.1 0.61| 7.8 4.8 5000 243 17 196 8| 1.2 0.9 2.1|170.0 -4.9 165.1 33.0 0.57| 6.8 3.9 6000 238 17 191 9| 1.0 1.2 2.2|170.0 -8.9 161.2 26.9 0.51| 6.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250423.00.gif