UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for VG883... Searching the city database file for: VG883 ... Date:0000Z 8 OCT 25 Station: VG883 WMO ident: 41883 Latitude: 24.85 Longitude: 89.37 ------------------------------------------------------------------------------- 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 26 26.4 25.5 95 0.9 25.7 135 4 299.0 302.7 298.7 359.8 20.81 1 1000 87 25.2 24.0 93 1.2 24.3 100 3 298.4 301.8 297.5 354.0 19.11 2 972 337 23.2 23.2 100 0.0 23.2 102 2 298.8 302.2 297.4 353.4 18.73 3 947 566 23.4 21.2 87 2.2 21.8 103 2 301.2 304.3 296.9 351.2 16.97 4 925 772 22.4 21.1 92 1.3 21.5 105 1 302.2 305.4 297.3 353.3 17.28 5 850 1505 18.2 15.3 83 2.9 16.3 295 3 305.2 307.6 295.3 344.0 12.97 6 783 2206 15.2 8.2 63 7.0 10.9 282 6 309.2 310.9 293.3 336.0 8.75 7 775 2293 14.8 9.8 72 5.0 11.6 281 6 309.7 311.6 294.3 339.9 9.87 8 732 2773 10.4 9.8 96 0.6 10.0 272 8 310.0 312.0 294.8 342.0 10.45 9 726 2842 10.0 9.9 99 0.1 9.9 271 9 310.3 312.3 295.0 342.8 10.61 10 703 3110 10.0 5.7 75 4.3 7.4 266 10 313.2 314.7 294.0 338.7 8.20 11 702 3122 10.0 5.7 75 4.3 7.4 265 10 313.3 314.9 294.0 338.8 8.21 12 700 3146 9.8 5.7 76 4.1 7.3 265 10 313.3 314.9 294.0 338.9 8.24 13 595 4479 2.6 -0.8 78 3.4 0.8 231 10 319.9 321.1 294.2 339.4 6.08 14 568 4854 0.8 -9.2 47 10.0 -3.7 222 10 322.1 322.7 292.6 333.2 3.35 15 565 4897 0.6 -4.4 69 5.0 -1.9 220 10 322.3 323.3 293.9 338.3 4.89 16 549 5127 -0.5 -8.5 55 8.0 -4.2 214 10 323.7 324.4 293.3 335.8 3.67 17 502 5838 -4.1 -8.9 69 4.8 -6.3 196 10 327.7 328.4 294.5 340.7 3.89 18 500 5870 -4.5 -9.3 69 4.8 -6.7 195 10 327.6 328.3 294.4 340.3 3.78 19 489 6045 -5.9 -10.2 72 4.3 -7.8 197 10 327.9 328.6 294.3 340.1 3.60 20 400 7590 -14.9 -21.9 55 7.0 -17.1 215 11 335.6 336.0 294.7 341.6 1.66 21 322 9199 -24.5 -34.5 39 10.0 -26.4 136 10 343.8 344.0 295.8 346.3 0.64 22 300 9710 -28.7 -36.7 46 8.0 -30.0 110 10 344.9 345.0 296.0 347.1 0.55 23 250 10990 -38.3 -46.3 43 8.0 -39.0 110 10 349.1 349.2 296.7 350.1 0.24 24 201 12457 -49.3 -58.3 34 9.0 -49.7 110 10 354.2 354.2 297.6 354.5 0.07 25 200 12490 -49.3 -58.3 34 9.0 -49.7 110 10 354.7 354.7 297.7 355.0 0.07 26 150 14320 -62.9 -73.9 21 11.0 -63.0 110 10 361.7 361.7 299.1 361.8 0.01 27 110 16167 -76.7 -102.7 1 26.0 -76.7 369.3 369.3 300.4 369.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 556.27 mb = 5022.21 m = 16476.87 ft Wetbulb zero: 590.29 mb = 4543.31 m = 14905.68 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 77.28 % Est. max temperature: 32.38 C = 90.29 F Sfc-Lift cond lev (LCL): 994.43 mb = 136.18 m = 446.79 ft T: 24.81 C 700-500 lapse rate: 5.25 C/km ThetaE index: 17.30 C Layer 850.0- 775.0 mb Conv cond level (CCL): 905.66 mb = 955.13 m = 3133.58 ft Mean mixing ratio: 17.91 g/kg Conv temperature: 30.42 C = 86.76 F Cap Strength: 1.10 C Lifted Index: -2.59 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.94 C Lifted Index @700 mb: -1.59 C Showalter Index: 0.70 C Risk: Thunderstorms probable Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.80 C K Index: 33.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 199.60 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 781.13 J/kg Max Up Vert Vel: 39.53 m/s Conv Inhibition (B-): 16.27 J/kg Cap Strength: 1.10 C Lift Cond Lev (LCL): 940.41 mb = 627.15 m = 2057.54 ft Lev Free Conv (LFC): 865.41 mb = 1349.23 m = 4426.56 ft Equ Level (EL): 225.41 mb = 11686.32 m = 38340.49 ft B at Equ Level: 780.60 J/kg Max Parcel Lev (MPL): 115.41 mb = 15881.30 m = 52103.37 ft Wind level data Storm motion: 270 at 5 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 26 135 4 -2.8 2.8 | 109 9 -8.2 2.8 1 1000 87 100 3 -3.0 0.5 | 94 8 -8.3 0.5 2 925 772 105 1 -1.0 0.3 | 92 6 -6.4 0.2 3 850 1505 295 3 2.7 -1.3 | 64 3 -2.7 -1.3 4 700 3146 265 10 10.0 0.9 | 259 5 4.6 0.9 5 500 5870 195 10 2.6 9.7 | 164 10 -2.8 9.6 6 400 7590 215 11 6.3 9.0 | 186 9 0.9 9.0 7 300 9710 110 10 -9.4 3.4 | 103 15 -14.8 3.4 8 250 10990 110 10 -9.4 3.4 | 103 15 -14.8 3.4 9 200 12490 110 10 -9.4 3.4 | 103 15 -14.8 3.4 10 150 14320 110 10 -9.4 3.4 | 103 15 -14.8 3.4 Wind Parameters Mean winds (0-6000m): 239.9 at 7.2 knts Storm direction: 269.9 at 5.4 knts Shear (0-3000m) pos: 0.0 neg: 2.1 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 154.7 deg Storm rel helicity (0-3000m) pos: 0.2 neg: -14.0 tot: -13.8 m^2/s^2 ave: -4.6 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 3.0 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 70.70 Bulk Shear: 11.05 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 ------------------------------------------------------------------------------- 500 104 3 94 8| 0.0 2.8 2.8| 0.0 -5.1 -5.1 -10.3 -0.67| 3.6 -2.4 1000 98 2 92 7| 0.0 2.2 2.2| 0.0 -7.9 -7.9 -7.9 -0.69| 2.9 -2.0 1500 88 2 89 7| 0.0 2.4 2.4| 0.2 -11.0 -10.9 -7.3 -0.55| 3.5 -2.0 2000 302 3 67 3| 0.0 2.3 2.3| 0.2 -11.9 -11.8 -5.9 -0.59| 3.2 -1.9 2500 284 3 69 2| 0.0 2.2 2.2| 0.2 -12.8 -12.6 -5.1 -0.64| 3.1 -2.0 3000 274 4 75 1| 0.0 2.1 2.1| 0.2 -14.0 -13.8 -4.6 -0.63| 3.0 -1.9 4000 264 6 197 1| 0.0 1.5 1.5| 0.2 -19.4 -19.3 -4.8 -0.69| 2.8 -1.9 5000 252 7 202 2| 0.0 1.1 1.1| 0.2 -26.5 -26.3 -5.3 -0.72| 2.7 -2.0 6000 240 7 193 4| 0.0 0.8 0.8| 0.7 -33.8 -33.1 -5.5 -0.72| 2.6 -1.9 Wrote GIF file: /home/apache/climate/data/raob//VG883/skewt/VG883.skewt.20251008.00.gif