UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VG883... Searching the city database file for: VG883 ... Date:0000Z 18 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 1009 24 26.0 24.4 91 1.6 24.9 0 0 298.4 301.9 297.7 355.0 19.41 1 1000 102 25.6 23.3 87 2.3 23.9 340 8 298.8 302.1 297.1 352.1 18.30 2 987 218 28.0 20.0 62 8.0 22.3 356 7 302.3 305.1 295.9 346.8 15.08 3 933 716 23.8 20.4 81 3.4 21.3 65 3 302.9 305.9 297.0 351.4 16.38 4 932 726 23.8 20.4 81 3.4 21.3 66 3 303.0 306.0 297.0 351.6 16.40 5 925 792 24.2 17.2 65 7.0 19.4 75 2 304.1 306.5 295.3 344.1 13.47 6 850 1527 19.4 12.4 64 7.0 14.8 175 1 306.5 308.5 294.0 338.7 10.70 7 828 1752 18.2 11.2 64 7.0 13.7 185 1 307.5 309.4 293.9 338.2 10.14 8 757 2515 14.4 -6.6 23 21.0 4.4 220 2 311.4 312.0 289.1 321.2 3.08 9 753 2560 14.2 -0.8 36 15.0 6.2 222 2 311.6 312.5 290.7 326.7 4.79 10 700 3171 9.2 -2.8 43 12.0 3.1 250 3 312.7 313.5 290.7 326.7 4.45 11 604 4365 -2.5 -5.5 80 3.0 -3.9 259 6 312.6 313.4 290.6 325.9 4.20 12 603 4378 -2.7 -6.8 73 4.1 -4.5 259 6 312.5 313.3 290.2 324.7 3.81 13 600 4417 -2.5 -10.5 54 8.0 -5.8 259 6 313.2 313.8 289.5 322.5 2.86 14 599 4430 -2.3 -15.3 36 13.0 -7.0 259 6 313.6 314.0 288.7 320.0 1.94 15 598 4444 -1.5 259 6 314.7 16 597 4457 0.8 259 6 317.5 17 593 4511 1.8 -42.2 2 44.0 -7.5 260 6 319.3 319.3 288.7 319.9 0.16 18 573 4787 2.0 -45.0 2 47.0 -7.7 262 7 322.7 322.7 289.7 323.1 0.12 19 500 5870 -5.3 -47.3 2 42.0 -12.7 270 10 326.6 326.6 290.9 327.0 0.11 20 400 7590 -16.3 -54.3 2 38.0 -21.0 245 17 333.8 333.8 292.8 334.0 0.06 21 384 7895 -18.5 -56.5 2 38.0 -22.7 247 19 334.8 334.8 293.0 335.0 0.05 22 363 8311 -20.3 -60.3 1 40.0 -24.2 250 21 337.9 337.9 293.8 338.0 0.03 23 300 9690 -30.7 -61.7 3 31.0 -32.8 260 29 342.1 342.1 294.8 342.2 0.03 24 250 10960 -40.5 -67.5 4 27.0 -41.5 255 34 345.9 345.9 295.7 345.9 0.02 25 206 12248 -50.9 -66.9 13 16.0 -51.2 251 34 349.2 349.2 296.5 349.3 0.02 26 204 12312 -51.3 -65.3 17 14.0 -51.7 250 34 349.5 349.6 296.5 349.7 0.03 27 200 12440 -52.1 -68.1 13 16.0 -52.4 250 34 350.3 350.3 296.7 350.4 0.02 28 150 14250 -65.5 -85.5 5 20.0 -65.6 265 32 357.2 357.2 298.1 357.3 0.00 29 140 14666 -68.9 -96.9 1 28.0 -68.9 272 28 358.4 358.4 298.4 358.4 0.00 30 138 14751 -69.5 -90.5 3 21.0 -69.6 273 27 358.8 358.8 298.5 358.8 0.00 31 130 15105 -71.9 -82.9 18 11.0 -71.9 279 24 360.7 360.7 298.8 360.7 0.00 32 119 15623 -74.3 -90.3 7 16.0 -74.3 288 19 365.5 365.5 299.8 365.5 0.00 33 100 16630 -76.1 -103.1 1 27.0 -76.2 305 10 380.7 380.7 302.3 380.7 0.00 34 92 17107 -79.7 -105.7 1 26.0 -79.7 265 8 382.8 382.8 302.7 382.8 0.00 35 90 17231 -80.3 -97.3 4 17.0 -80.3 255 7 384.0 384.0 302.9 384.0 0.00 36 89 17294 -80.3 -98.3 3 18.0 -80.3 255 7 385.2 385.2 303.1 385.2 0.00 37 84 17623 -77.3 -88.3 16 11.0 -77.3 256 8 397.7 397.7 304.9 397.7 0.00 38 81 17833 -74.7 -89.7 8 15.0 -74.7 257 9 407.2 407.2 306.2 407.2 0.00 39 79 17979 -75.5 -102.5 1 27.0 -75.6 258 9 408.5 408.5 306.3 408.5 0.00 40 76 18202 -76.7 -102.7 1 26.0 -76.7 258 10 410.5 410.5 306.6 410.5 0.00 41 70 18680 -72.7 -99.7 1 27.0 -72.8 260 11 428.9 428.9 308.7 428.9 0.00 42 62 19403 -67.1 -86.1 5 19.0 -67.3 219 12 456.4 456.4 311.4 456.4 0.00 43 52 20463 -68.3 -92.3 2 24.0 -68.5 158 13 477.2 477.2 313.2 477.2 0.00 44 50 20700 -65.5 -88.5 3 23.0 -65.8 145 13 489.1 489.1 314.1 489.1 0.00 45 33 23286 -55.7 -85.7 1 30.0 -57.1 88 20 576.9 576.9 319.5 576.9 0.01 46 30 23890 -57.5 -89.5 1 32.0 -58.7 75 21 587.9 587.9 320.0 587.9 0.00 47 29 24104 -57.7 -89.7 1 32.0 -58.9 77 21 593.1 593.1 320.3 593.1 0.00 48 25 25050 -52.7 -85.7 1 33.0 -55.0 84 23 633.1 633.1 322.0 633.2 0.01 49 22 25868 -56.3 -87.3 1 31.0 -58.1 90 25 646.0 646.0 322.5 646.1 0.01 50 20 26480 -51.5 -84.5 1 33.0 -54.5 95 26 678.5 678.5 323.7 678.7 0.02 51 14 28787 -53.1 -86.1 1 33.0 -56.5 746.0 746.0 325.8 746.1 0.02 TRP 90 17231 -80.3 -97.3 4 17.0 -80.3 255 7 384.0 384.0 302.9 384.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 624.51 mb = 4109.48 m = 13482.39 ft Freezing level: 597.35 mb = 4452.31 m = 14607.13 ft Freezing level: 553.00 mb = 5083.80 m = 16678.93 ft Wetbulb zero: 657.33 mb = 3679.89 m = 12072.98 ft Precipitable water: 1.45 inches Sfc-500 mean rel hum: 43.81 % Est. max temperature: 33.81 C = 92.85 F Sfc-Lift cond lev (LCL): 986.27 mb = 224.81 m = 737.55 ft T: 27.94 C 700-500 lapse rate: 5.37 C/km ThetaE index: 30.39 C Layer 925.0- 753.0 mb Conv cond level (CCL): 814.96 mb = 1887.19 m = 6191.50 ft Mean mixing ratio: 15.64 g/kg Conv temperature: 35.83 C = 96.50 F Cap Strength: 2.86 C Lifted Index: -1.86 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.54 C Lifted Index @700 mb: -1.02 C Showalter Index: 2.00 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 160.80 Risk: None Energy Index: -2.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 635.51 J/kg Max Up Vert Vel: 35.65 m/s Conv Inhibition (B-): 125.43 J/kg Cap Strength: 2.86 C Lift Cond Lev (LCL): 885.76 mb = 1168.83 m = 3834.71 ft Lev Free Conv (LFC): 720.76 mb = 2926.33 m = 9600.71 ft Equ Level (EL): 220.76 mb = 11787.89 m = 38673.71 ft B at Equ Level: 631.94 J/kg Max Parcel Lev (MPL): 120.76 mb = 15536.79 m = 50973.10 ft Wind level data Storm motion: 299 at 3 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 24 0 0 -0.0 -0.0 | 119 3 -3.0 1.7 1 1000 102 340 8 2.7 -7.5 | 3 6 -0.3 -5.8 2 925 792 75 2 -1.9 -0.5 | 103 5 -5.0 1.2 3 850 1527 175 1 -0.1 1.0 | 131 4 -3.1 2.7 4 700 3171 250 3 2.8 1.0 | 176 3 -0.2 2.7 5 500 5870 270 10 10.0 -0.0 | 257 7 7.0 1.7 6 400 7590 245 17 15.4 7.2 | 234 15 12.4 8.9 7 300 9690 260 29 28.6 5.0 | 255 26 25.5 6.7 8 250 10960 255 34 32.8 8.8 | 251 32 29.8 10.5 9 200 12440 250 34 31.9 11.6 | 245 32 28.9 13.3 10 150 14250 265 32 31.9 2.8 | 261 29 28.9 4.5 11 100 16630 305 10 8.2 -5.7 | 308 7 5.2 -4.1 12 90 17231 255 7 6.8 1.8 | 227 5 3.7 3.5 13 70 18680 260 11 10.8 1.9 | 245 9 7.8 3.6 14 50 20700 145 13 -7.5 10.6 | 140 16 -10.5 12.3 15 30 23890 75 21 -20.3 -5.4 | 81 24 -23.3 -3.8 16 20 26480 95 26 -25.9 2.3 | 98 29 -28.9 3.9 Wind Parameters Mean winds (0-6000m): 269.0 at 4.6 knts Storm direction: 299.0 at 3.5 knts Shear (0-3000m) pos: 0.5 neg: 0.0 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): 51.4 deg Storm rel helicity (0-3000m) pos: 20.6 neg: -5.0 tot: 15.7 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.0 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 89.86 Bulk Shear: 7.07 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 ------------------------------------------------------------------------------- 500 357 6 34 5| 4.5 0.0 4.5| 10.5 -5.0 5.6 11.1 -0.14| 16.7 -2.3 1000 0 4 50 4| 0.9 0.0 0.9| 16.3 -5.0 11.4 11.4 0.09| 10.5 0.9 1500 7 3 66 4| 0.3 0.0 0.3| 18.0 -5.0 13.1 8.7 0.14| 7.6 1.1 2000 7 3 72 4| 0.4 0.0 0.4| 18.9 -5.0 13.9 7.0 0.17| 5.9 1.0 2500 349 3 71 3| 0.5 0.0 0.5| 19.8 -5.0 14.8 5.9 0.20| 4.9 1.0 3000 307 3 98 1| 0.5 0.0 0.5| 20.6 -5.0 15.7 5.2 0.23| 4.3 1.0 4000 272 3 175 2| 0.7 0.0 0.7| 22.5 -5.0 17.5 4.4 0.29| 3.6 1.0 5000 267 4 198 2| 0.8 0.0 0.8| 24.8 -5.0 19.9 4.0 0.33| 3.1 1.0 6000 269 5 222 2| 0.9 0.0 0.9| 27.3 -5.3 22.0 3.7 0.34| 2.9 1.0 Wrote GIF file: /home/apache/climate/data/raob//VG883/skewt/VG883.skewt.20251018.00.gif