UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VI874... Searching the city database file for: VI874 ... Date:0000Z 17 OCT 25 Station: VI874 WMO ident: 42874 Latitude: 21.22 Longitude: 81.67 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 0 SFC 978 224 24.2 22.5 90 1.7 23.0 0 0 299.2 302.5 296.9 351.3 17.81 2 977 234 24.4 18.4 69 6.0 20.2 349 0 299.5 302.0 294.3 339.7 13.76 3 964 369 24.4 18.4 69 6.0 20.2 311 2 300.7 303.2 294.7 341.6 13.95 4 925 782 22.8 16.8 69 6.0 18.7 70 8 302.6 305.0 294.7 341.4 13.12 5 850 1513 17.6 12.6 72 5.0 14.3 35 6 304.6 306.6 293.6 337.0 10.85 6 779 2254 14.4 2.4 44 12.0 7.7 341 9 308.8 309.9 290.8 326.9 5.85 7 731 2788 10.4 -0.6 46 11.0 4.6 329 8 310.1 311.1 290.5 325.7 5.01 8 700 3147 7.4 -4.6 42 12.0 1.6 305 8 310.7 311.4 289.6 322.9 3.88 9 699 3159 7.4 -4.6 42 12.0 1.6 304 8 310.8 311.5 289.7 323.1 3.89 10 654 3703 5.2 -2.8 56 8.0 1.1 248 12 314.3 315.2 291.5 329.4 4.76 11 632 3981 4.6 -4.4 52 9.0 0.1 235 11 316.7 317.5 291.9 330.7 4.37 12 625 4072 4.8 -9.2 35 14.0 -1.4 237 8 317.9 318.5 291.1 327.9 3.05 13 620 4137 5.0 -17.0 19 22.0 -3.3 238 7 318.9 319.2 290.1 324.4 1.63 14 612 4243 5.0 -37.0 3 42.0 -5.4 239 4 320.1 320.1 289.0 321.1 0.26 15 534 5341 -1.3 -22.3 18 21.0 -8.2 273 6 325.3 325.5 291.6 329.5 1.20 16 517 5597 -3.7 -17.7 33 14.0 -8.8 248 8 325.4 325.8 292.2 331.7 1.84 17 500 5860 -5.1 -24.1 21 19.0 -10.9 230 9 326.8 327.0 291.9 330.7 1.09 18 439 6870 -11.7 -37.7 10 26.0 -16.9 228 6 330.9 330.9 292.3 332.2 0.34 19 420 7209 -12.9 -58.9 1 46.0 -18.5 231 5 333.5 333.5 292.7 333.7 0.03 20 408 7429 -13.5 -59.5 1 46.0 -19.0 233 4 335.5 335.5 293.2 335.7 0.03 21 400 7580 -14.3 -59.3 1 45.0 -19.6 235 3 336.4 336.4 293.4 336.5 0.03 22 361 8349 -19.5 -62.5 1 43.0 -23.7 234 7 339.5 339.5 294.2 339.6 0.02 23 300 9690 -31.1 -59.1 5 28.0 -33.1 240 11 341.5 341.6 294.7 341.7 0.04 24 253 10878 -39.1 -76.1 1 37.0 -40.3 266 23 346.7 346.8 295.9 346.8 0.00 25 250 10960 -39.5 -76.5 1 37.0 -40.6 265 24 347.3 347.3 296.0 347.4 0.00 26 200 12450 -51.9 -84.9 1 33.0 -52.3 260 31 350.6 350.6 296.8 350.6 0.00 27 186 12917 -55.1 -87.1 1 32.0 -55.4 352.8 352.8 297.2 352.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5860.00 m Freezing level: 550.10 mb = 5114.18 m = 16778.59 ft Wetbulb zero: 631.39 mb = 3989.29 m = 13088.05 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 43.16 % Est. max temperature: 30.77 C = 87.39 F Sfc-Lift cond lev (LCL): 954.43 mb = 468.93 m = 1538.46 ft T: 24.01 C 700-500 lapse rate: 4.61 C/km ThetaE index: 18.69 C Layer 925.0- 699.0 mb Conv cond level (CCL): 773.19 mb = 2317.11 m = 7601.98 ft Mean mixing ratio: 13.05 g/kg Conv temperature: 33.89 C = 93.00 F Cap Strength: 2.58 C Lifted Index: 1.38 C Risk: Showers probable Lifted Index @300 mb: 2.51 C Lifted Index @700 mb: -0.53 C Showalter Index: 2.97 C Risk: Showers probable Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 17.70 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 172.20 Risk: None Energy Index: -1.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.19 J/kg Max Up Vert Vel: 6.81 m/s Conv Inhibition (B-): 120.51 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 851.18 mb = 1501.04 m = 4924.60 ft Lev Free Conv (LFC): 706.18 mb = 3074.19 m = 10085.82 ft Equ Level (EL): 656.18 mb = 3675.82 m = 12059.64 ft B at Equ Level: 23.11 J/kg Max Parcel Lev (MPL): 606.18 mb = 4320.13 m = 14173.48 ft Wind level data Storm motion: 332 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 ---------------------------------------------------------- 0 978 224 0 0 -0.0 -0.0 | 152 6 -2.6 4.9 1 970 305 275 1 1.0 -0.1 | 162 5 -1.6 4.8 2 941 610 85 7 -7.0 -0.6 | 114 10 -9.6 4.3 3 925 782 70 8 -7.5 -2.7 | 102 10 -10.1 2.1 4 911 914 65 9 -8.2 -3.8 | 96 11 -10.8 1.1 5 879 1219 50 9 -6.9 -5.8 | 85 10 -9.5 -0.9 6 850 1513 35 6 -3.4 -4.9 | 90 6 -6.0 -0.0 7 819 1829 355 7 0.6 -7.0 | 43 3 -2.0 -2.1 8 790 2134 345 9 2.3 -8.7 | 4 4 -0.3 -3.8 9 761 2438 335 9 3.8 -8.2 | 340 3 1.2 -3.3 10 734 2743 330 8 4.0 -6.9 | 326 2 1.4 -2.0 11 708 3048 325 8 4.6 -6.6 | 310 3 2.0 -1.7 12 700 3147 305 8 6.6 -4.6 | 266 4 4.0 0.3 13 657 3658 250 12 11.3 4.1 | 224 12 8.7 9.0 14 633 3962 235 11 9.0 6.3 | 210 13 6.4 11.2 15 609 4267 240 3 2.6 1.5 | 180 6 0.0 6.4 16 587 4572 330 3 1.5 -2.6 | 154 3 -1.1 2.3 17 565 4877 325 4 2.3 -3.3 | 169 2 -0.3 1.6 18 524 5486 255 7 6.8 1.8 | 212 8 4.2 6.7 19 500 5860 230 9 6.9 5.8 | 202 11 4.3 10.7 20 485 6096 220 9 5.8 6.9 | 195 12 3.2 11.8 21 400 7580 235 3 2.5 1.7 | 179 7 -0.1 6.6 22 398 7620 225 3 2.1 2.1 | 176 7 -0.5 7.0 23 323 9144 245 11 10.0 4.6 | 218 12 7.4 9.5 24 300 9690 240 11 9.5 5.5 | 214 12 6.9 10.4 25 261 10668 270 20 20.0 -0.0 | 254 18 17.4 4.9 26 250 10960 265 24 23.9 2.1 | 252 22 21.3 7.0 27 208 12192 255 32 30.9 8.3 | 245 31 28.3 13.2 28 200 12450 260 31 30.5 5.4 | 250 30 27.9 10.3 Wind Parameters Mean winds (0-6000m): 302.0 at 7.4 knts Storm direction: 332.0 at 5.5 knts Shear (0-3000m) pos: 1.3 neg: 2.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 106.7 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -28.7 tot: -21.6 m^2/s^2 ave: -7.2 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.47 Bulk Shear: 15.72 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 81 4 122 8| 7.9 0.0 7.9| 6.1 -7.1 -1.0 -1.9 -0.15| 15.8 -2.4 1000 66 7 104 9| 3.9 2.0 5.9| 6.1 -17.8 -11.6 -11.6 -0.32| 10.1 -3.2 1500 55 7 97 8| 2.6 2.7 5.3| 7.0 -20.4 -13.4 -8.9 -0.30| 9.0 -2.7 2000 36 7 83 7| 2.0 3.1 5.1| 7.0 -23.9 -16.8 -8.4 -0.38| 7.9 -3.0 2500 19 7 67 5| 1.6 2.6 4.1| 7.0 -25.4 -18.4 -7.4 -0.41| 6.8 -2.8 3000 7 8 54 4| 1.3 2.6 3.9| 7.0 -28.7 -21.6 -7.2 -0.46| 6.5 -3.0 4000 331 8 328 3| 1.0 1.5 2.5| 7.0 -60.5 -53.5 -13.4 -0.52| 7.3 -3.8 5000 326 7 307 2| 1.2 1.6 2.8| 8.4 -62.5 -54.1 -10.8 -0.43| 6.9 -3.0 6000 302 7 255 4| 1.0 1.7 2.7| 8.4 -73.2 -64.8 -10.8 -0.43| 6.5 -2.8 Wrote GIF file: /home/apache/climate/data/raob//VI874/skewt/VI874.skewt.20251017.00.gif