UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VG977... Searching the city database file for: VG977 ... Date:0000Z 20 APR 25 Station: VG977 WMO ident: 41977 Latitude: 22.35 Longitude: 91.82 ------------------------------------------------------------------------------- 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 39 24.2 22.6 91 1.6 23.0 180 3 297.0 300.2 296.1 347.5 17.45 1 1000 74 24.6 20.2 77 4.4 21.5 140 12 297.8 300.5 294.7 341.4 15.07 2 972 324 25.8 16.8 58 9.0 19.6 156 13 301.4 303.7 293.9 338.1 12.47 3 941 609 23.2 19.9 82 3.3 20.9 175 14 301.5 304.4 296.1 347.9 15.73 4 925 759 22.6 19.5 83 3.1 20.4 185 14 302.4 305.3 296.3 348.6 15.61 5 850 1492 18.2 14.0 76 4.2 15.4 205 9 305.2 307.4 294.5 340.8 11.91 6 844 1553 18.2 12.2 68 6.0 14.3 207 9 305.8 307.8 293.8 337.8 10.64 7 828 1717 16.8 14.7 87 2.1 15.4 212 10 306.0 308.4 295.4 344.5 12.81 8 700 3130 8.2 3.3 71 4.9 5.4 260 17 311.6 312.9 292.6 333.1 6.95 9 649 3750 5.2 -2.8 56 8.0 1.1 315.0 315.9 291.8 330.2 4.80 10 606 4305 1.0 -2.0 80 3.0 -0.6 316.4 317.4 292.7 333.7 5.46 11 603 4345 1.2 -0.2 90 1.4 0.4 317.1 318.3 293.6 337.0 6.27 12 594 4466 2.6 -2.0 72 4.6 0.2 320.0 321.1 293.8 338.0 5.57 13 552 5054 -0.9 -6.9 64 6.0 -3.7 322.7 323.5 293.4 336.3 4.13 14 532 5347 -3.1 -4.1 93 1.0 -3.6 323.5 324.5 294.5 340.9 5.32 15 502 5804 -5.9 -6.8 93 0.9 -6.3 325.5 326.4 294.5 340.7 4.58 16 494 5930 -6.9 -9.1 84 2.2 -7.9 325.7 326.5 294.0 338.7 3.89 17 448 6688 -9.7 -11.1 89 1.4 -10.3 331.5 332.2 295.3 344.0 3.66 18 422 7147 -12.9 -14.9 85 2.0 -13.7 333.1 333.7 295.0 343.0 2.85 19 408 7402 -15.5 -21.5 60 6.0 -17.3 333.0 333.3 294.0 338.9 1.68 20 402 7514 -14.5 -16.1 88 1.6 -15.1 335.7 336.2 295.6 345.2 2.71 21 399 7571 -14.5 -17.4 79 2.9 -15.5 336.4 336.9 295.5 345.0 2.45 22 363 8280 -19.9 -23.8 71 3.9 -21.0 338.4 338.7 295.3 344.0 1.54 23 361 8321 -21.3 -32.3 36 11.0 -23.5 337.1 337.2 294.3 339.7 0.70 24 357 8403 -20.7 -23.7 77 3.0 -21.5 338.9 339.3 295.4 344.7 1.58 25 354 8466 -21.7 -33.7 33 12.0 -24.1 338.4 338.5 294.5 340.8 0.63 26 343 8698 -22.5 -25.3 78 2.8 -23.2 340.4 340.7 295.7 345.6 1.43 27 330 8981 -23.9 -27.4 73 3.5 -24.8 342.2 342.5 295.9 346.8 1.22 28 325 9092 -24.7 -27.0 81 2.3 -25.2 342.6 342.9 296.1 347.4 1.29 29 301 9644 -29.7 -43.7 24 14.0 -31.4 343.2 343.2 295.3 344.3 0.26 30 299 9692 -29.9 -38.9 41 9.0 -31.2 343.6 343.7 295.6 345.3 0.44 31 292 9860 -31.5 -55.5 8 24.0 -33.4 343.6 343.6 295.3 343.9 0.07 32 272 10359 -34.9 -53.9 13 19.0 -36.3 345.7 345.8 295.8 346.1 0.09 33 249 10970 -39.3 -43.6 64 4.3 -39.7 348.0 348.1 296.5 349.3 0.32 34 237 11306 -42.1 -59.1 14 17.0 -42.9 348.8 348.8 296.4 349.0 0.06 35 222 11746 -44.9 -71.9 3 27.0 -45.6 351.0 351.0 296.8 351.1 0.01 36 193 12666 -52.7 -72.7 7 20.0 -53.1 352.9 352.9 297.3 352.9 0.01 37 141 14624 -67.7 -81.7 12 14.0 -67.8 359.8 359.8 298.7 359.8 0.00 38 113 15928 -76.5 -88.5 13 12.0 -76.5 366.9 366.9 300.0 366.9 0.00 39 100 16626 -79.7 -90.7 15 11.0 -79.7 373.7 373.7 301.2 373.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5761.37 m Freezing level: 562.80 mb = 4903.00 m = 16085.76 ft Wetbulb zero: 620.33 mb = 4115.71 m = 13502.81 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 75.61 % Est. max temperature: 32.26 C = 90.06 F Sfc-Lift cond lev (LCL): 981.24 mb = 240.91 m = 790.38 ft T: 25.40 C 700-500 lapse rate: 5.30 C/km ThetaE index: 14.22 C Layer 700.0- 606.0 mb Conv cond level (CCL): 825.00 mb = 1747.34 m = 5732.66 ft Mean mixing ratio: 14.56 g/kg Conv temperature: 33.36 C = 92.04 F Cap Strength: 2.58 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.94 C Lifted Index @700 mb: -0.70 C Showalter Index: 0.28 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.35 C Cross Totals Index: 20.15 C K Index: 33.45 Risk: 60-80 % chance of thunderstorms Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 106.13 J/kg Max Up Vert Vel: 14.57 m/s Conv Inhibition (B-): 96.32 J/kg Cap Strength: 2.58 C Lift Cond Lev (LCL): 885.93 mb = 1133.10 m = 3717.48 ft Lev Free Conv (LFC): 730.93 mb = 2766.14 m = 9075.16 ft Equ Level (EL): 590.93 mb = 4507.39 m = 14787.85 ft B at Equ Level: 71.70 J/kg Max Parcel Lev (MPL): 320.93 mb = 9182.60 m = 30126.26 ft Wind level data Storm motion: 243 at 9 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 39 180 3 0.0 3.0 | 82 9 -8.4 -1.2 1 1000 74 140 12 -7.7 9.2 | 107 17 -16.2 5.0 2 925 759 185 14 1.2 13.9 | 143 12 -7.2 9.7 3 850 1492 205 9 3.8 8.2 | 130 6 -4.6 3.9 4 700 3130 260 17 16.7 3.0 | 279 8 8.3 -1.3 Wind Parameters Mean winds (0-6000m): 213.4 at 12.6 knts Storm direction: 243.4 at 9.4 knts Shear (0-3000m) pos: 3.5 neg: 1.8 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -168.1 deg Storm rel helicity (0-3000m) pos: 65.9 neg: -3.0 tot: 62.8 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 5.56 Bulk Shear: 19.07 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 ------------------------------------------------------------------------------- 500 156 12 117 15| 0.0 10.7 10.7| 39.3 0.0 39.3 78.6 0.72| 16.6 11.9 1000 171 13 129 13| 2.6 5.4 7.9| 49.7 -0.4 49.2 49.2 0.65| 11.4 7.4 1500 179 12 132 12| 2.7 3.6 6.3| 49.7 -3.0 46.7 31.1 0.51| 8.9 4.5 2000 187 12 136 10| 2.9 2.7 5.6| 54.4 -3.0 51.3 25.7 0.56| 7.7 4.3 2500 198 12 146 9| 3.2 2.1 5.4| 59.3 -3.0 56.3 22.5 0.61| 7.1 4.3 3000 211 12 162 7| 3.5 1.8 5.3| 65.9 -3.0 62.8 20.9 0.64| 6.8 4.3 4000 NO DATA | 3.5 1.8 5.3| | 5000 NO DATA | 3.5 1.8 5.3| | 6000 NO DATA | 3.5 1.8 5.3| | Wrote GIF file: /home/apache/climate/data/raob//VG977/skewt/VG977.skewt.20250420.00.gif