UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VG977... Searching the city database file for: VG977 ... Date:0000Z 12 OCT 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 1007 36 25.4 24.9 97 0.5 25.0 0 0 298.0 301.6 298.0 356.3 20.06 1 1000 97 25.4 22.7 85 2.7 23.5 135 8 298.5 301.8 296.6 349.9 17.63 2 974 329 25.2 21.4 79 3.8 22.5 157 7 300.6 303.7 296.5 349.6 16.70 3 965 411 24.8 20.6 78 4.2 21.8 165 7 301.0 303.9 296.2 348.1 16.03 4 925 782 22.0 19.9 88 2.1 20.5 200 5 301.8 304.7 296.4 349.0 16.01 5 850 1515 18.2 15.1 82 3.1 16.1 215 8 305.2 307.6 295.1 343.5 12.80 6 789 2150 14.2 12.1 87 2.1 12.9 213 9 307.5 309.6 294.7 341.7 11.32 7 740 2691 12.0 10.1 88 1.9 10.8 211 10 310.8 312.8 295.1 343.1 10.55 8 736 2737 11.8 6.8 71 5.0 8.8 211 10 311.1 312.7 293.6 337.1 8.45 9 700 3157 10.4 7.2 81 3.2 8.4 210 11 314.0 315.8 294.9 342.4 9.15 10 631 4012 6.4 0.4 65 6.0 3.1 217 11 318.9 320.1 294.0 338.9 6.26 11 625 4090 6.0 -1.0 61 7.0 2.2 218 11 319.3 320.4 293.7 337.6 5.70 12 491 6018 -6.3 -7.4 92 1.1 -6.8 234 11 327.1 327.9 294.8 342.0 4.47 13 490 6033 -6.5 -8.6 85 2.1 -7.5 234 11 327.0 327.8 294.5 340.7 4.08 14 484 6130 -6.3 -12.3 62 6.0 -8.8 235 11 328.4 329.0 294.0 338.9 3.07 15 482 6162 -6.3 -23.3 25 17.0 -11.6 235 11 328.8 329.0 292.6 333.1 1.21 16 478 6227 -6.9 -12.9 62 6.0 -9.4 236 11 328.8 329.4 294.1 339.0 2.97 17 472 6325 -7.5 -20.5 35 13.0 -11.8 237 11 329.3 329.6 293.0 334.9 1.59 18 470 6358 -7.9 -7.9 100 0.0 -7.9 237 11 329.2 330.1 295.3 344.3 4.49 19 468 6391 -8.1 -10.7 82 2.6 -9.2 237 11 329.3 330.1 294.7 341.6 3.62 20 465 6441 -7.7 -44.7 3 37.0 -14.5 238 11 330.4 330.5 292.0 331.0 0.15 21 456 6593 -8.5 -20.5 37 12.0 -12.5 239 11 331.3 331.6 293.6 337.1 1.64 22 454 6627 -8.5 -22.5 31 14.0 -12.9 239 11 331.7 332.0 293.5 336.7 1.38 23 372 8140 -18.9 -32.9 28 14.0 -21.8 253 11 337.4 337.5 294.3 339.8 0.64 24 367 8240 -19.5 -23.9 68 4.4 -20.7 253 11 337.9 338.2 295.1 343.4 1.51 25 352 8549 -20.9 -26.9 59 6.0 -22.4 256 11 340.0 340.3 295.4 344.5 1.20 26 351 8570 -21.1 -36.1 25 15.0 -23.9 256 11 340.0 340.1 294.8 342.0 0.50 27 348 8633 -21.3 -44.3 11 23.0 -24.6 257 11 340.6 340.6 294.7 341.5 0.21 28 345 8697 -21.9 -36.9 24 15.0 -24.6 258 11 340.6 340.7 294.9 342.5 0.47 29 342 8761 -21.9 -49.9 6 28.0 -25.4 258 11 341.5 341.5 294.8 342.0 0.12 30 338 8848 -22.5 -45.5 10 23.0 -25.6 259 11 341.8 341.9 295.0 342.6 0.19 31 335 8913 -22.9 -43.9 13 21.0 -25.9 260 11 342.1 342.2 295.1 343.1 0.23 32 334 8935 -23.1 -33.1 40 10.0 -25.1 260 11 342.2 342.3 295.5 344.9 0.70 33 329 9045 -24.1 -31.1 52 7.0 -25.6 261 11 342.3 342.5 295.6 345.6 0.87 34 325 9134 -24.5 -66.5 1 42.0 -27.7 262 11 342.9 342.9 295.0 343.0 0.02 35 313 9407 -26.9 -47.9 12 21.0 -29.3 264 11 343.3 343.3 295.3 343.9 0.16 36 311 9453 -27.3 -38.3 34 11.0 -29.0 265 11 343.4 343.4 295.6 345.1 0.45 37 302 9664 -28.5 -49.5 11 21.0 -30.7 267 11 344.6 344.6 295.6 345.1 0.14 38 278 10251 -33.3 -55.3 9 22.0 -35.0 272 11 345.9 345.9 295.8 346.2 0.08 39 256 10824 -38.1 -56.1 13 18.0 -39.2 278 11 347.1 347.1 296.0 347.4 0.07 40 250 10987 -39.5 -47.5 42 8.0 -40.2 279 11 347.3 347.4 296.3 348.2 0.21 41 243 11181 -40.7 -55.7 18 15.0 -41.6 281 11 348.4 348.4 296.4 348.7 0.08 42 187 12906 -55.7 -67.7 21 12.0 -55.9 299 11 351.2 351.3 296.9 351.3 0.02 43 121 15540 -77.3 -87.3 19 10.0 -77.3 328 11 358.3 358.3 298.4 358.3 0.00 44 112 15982 -77.9 -88.9 15 11.0 -77.9 333 11 365.2 365.2 299.7 365.2 0.00 45 108 16192 -74.9 -84.9 20 10.0 -74.9 336 11 374.7 374.7 301.4 374.7 0.00 46 100 16638 -75.9 -85.9 19 10.0 -75.9 341 11 381.1 381.1 302.4 381.1 0.00 47 70 18700 -75.5 -87.5 14 12.0 -75.6 5 11 422.9 422.9 308.0 422.9 0.00 48 50 20680 -67.9 -86.9 5 19.0 -68.1 75 28 483.5 483.5 313.7 483.5 0.00 49 30 23840 -57.7 -83.7 2 26.0 -58.9 85 28 587.3 587.3 320.0 587.4 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5775.44 m Freezing level: 559.63 mb = 5030.21 m = 16503.12 ft Wetbulb zero: 591.86 mb = 4525.16 m = 14846.15 ft Precipitable water: 2.18 inches Sfc-500 mean rel hum: 78.92 % Est. max temperature: 32.34 C = 90.21 F Sfc-Lift cond lev (LCL): 1000.20 mb = 95.28 m = 312.59 ft T: 25.40 C 700-500 lapse rate: 5.81 C/km ThetaE index: 8.23 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 873.44 mb = 1279.21 m = 4196.83 ft Mean mixing ratio: 16.45 g/kg Conv temperature: 31.57 C = 88.83 F Cap Strength: 1.34 C Lifted Index: -2.17 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.08 C Lifted Index @700 mb: 0.01 C Showalter Index: -0.00 C Risk: Thunderstorms probable Total Totals Index: 44.05 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.57 C Cross Totals Index: 20.47 C K Index: 35.47 Risk: > 80 % chance of thunderstorms Sweat Index: 208.20 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 278.18 J/kg Max Up Vert Vel: 23.59 m/s Conv Inhibition (B-): 35.25 J/kg Cap Strength: 1.34 C Lift Cond Lev (LCL): 915.92 mb = 867.54 m = 2846.21 ft Lev Free Conv (LFC): 810.92 mb = 1916.62 m = 6288.04 ft Equ Level (EL): 690.92 mb = 3264.57 m = 10710.42 ft B at Equ Level: 31.89 J/kg Max Parcel Lev (MPL): 140.92 mb = 14617.79 m = 47958.05 ft Wind level data Storm motion: 234 at 6 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 36 0 0 -0.0 -0.0 | 54 6 -4.9 -3.6 1 1000 97 135 8 -5.7 5.7 | 101 11 -10.5 2.1 2 925 782 200 5 1.7 4.7 | 109 3 -3.1 1.1 3 850 1515 215 8 4.6 6.6 | 175 3 -0.3 3.0 4 700 3157 210 11 5.5 9.5 | 186 6 0.6 5.9 5 70 18700 5 11 -1.0 -11.0 | 22 16 -5.8 -14.5 6 50 20680 75 28 -27.0 -7.2 | 71 34 -31.9 -10.8 7 30 23840 85 28 -27.9 -2.4 | 80 33 -32.8 -6.0 Wind Parameters Mean winds (0-6000m): 203.5 at 8.1 knts Storm direction: 233.5 at 6.0 knts Shear (0-3000m) pos: 1.4 neg: 0.5 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 132.4 deg Storm rel helicity (0-3000m) pos: 19.9 neg: -0.3 tot: 19.7 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 48.55 Bulk Shear: 5.73 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 ------------------------------------------------------------------------------- 500 151 7 106 8| 6.3 0.0 6.3| 16.6 0.0 16.6 33.2 0.67| 13.5 9.1 1000 169 6 112 7| 3.1 0.0 3.1| 17.4 -0.3 17.1 17.1 0.58| 8.5 4.9 1500 186 6 124 5| 2.8 0.0 2.8| 19.1 -0.3 18.9 12.6 0.63| 6.5 4.1 2000 196 7 136 4| 2.1 0.2 2.3| 19.4 -0.3 19.2 9.6 0.61| 5.1 3.1 2500 201 7 146 4| 1.7 0.4 2.0| 19.7 -0.3 19.4 7.8 0.60| 4.3 2.6 3000 203 8 155 4| 1.4 0.5 1.9| 19.9 -0.3 19.7 6.6 0.58| 3.7 2.2 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//VG977/skewt/VG977.skewt.20251012.00.gif