UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102123.upa.cvt Date: 2300Z 21 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 21 OCT 25 Station: Y4775 WMO ident: 94775 ------------------------------------------------------------------------------- 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 1001 24 25.4 18.4 65 7.0 20.6 20 3 298.5 300.9 293.7 337.5 13.42 1 1000 33 24.4 17.4 65 7.0 19.6 30 2 297.5 299.8 292.8 334.1 12.60 2 977 237 22.6 17.6 73 5.0 19.2 330 8 297.7 300.1 293.2 335.6 13.07 3 970 300 24.6 15.6 57 9.0 18.6 311 10 300.4 302.5 292.9 334.3 11.56 4 937 605 28.4 11.4 35 17.0 17.4 321 27 307.2 308.9 293.0 334.7 9.07 5 925 720 27.8 10.8 35 17.0 16.9 325 33 307.7 309.4 292.9 334.5 8.82 6 906 903 26.8 8.8 32 18.0 15.5 325 37 308.5 310.0 292.4 332.6 7.86 7 864 1321 26.2 4.2 24 22.0 13.1 320 47 312.1 313.3 291.9 330.8 5.99 8 850 1464 25.4 4.4 26 21.0 12.9 320 46 312.8 313.9 292.3 332.1 6.17 9 833 1641 24.6 4.6 27 20.0 12.6 310 44 313.7 314.9 292.7 333.8 6.39 10 700 3131 11.8 -1.2 40 13.0 4.8 300 32 315.6 316.5 292.1 331.5 5.01 11 610 4261 1.0 -5.0 64 6.0 -1.9 310 30 315.8 316.6 291.6 329.6 4.32 12 580 4665 -2.1 -8.1 63 6.0 -4.8 303 28 316.7 317.4 291.2 328.3 3.58 13 505 5753 -9.3 -35.3 10 26.0 -14.7 299 37 320.8 320.9 289.4 322.2 0.38 14 500 5830 -9.7 -35.7 10 26.0 -15.0 300 37 321.2 321.3 289.5 322.5 0.36 15 462 6433 -13.5 -19.5 61 6.0 -15.4 299 38 323.8 324.2 291.7 329.9 1.77 16 458 6499 -14.1 -15.2 91 1.1 -14.5 298 39 323.9 324.4 292.4 332.5 2.56 17 400 7510 -20.9 -26.9 59 6.0 -22.3 280 45 327.8 328.0 292.2 331.6 1.06 18 396 7584 -21.3 -27.3 58 6.0 -22.7 280 45 328.2 328.5 292.2 331.9 1.03 19 381 7868 -23.5 -26.9 74 3.4 -24.2 280 47 329.0 329.2 292.5 333.0 1.11 20 374 8004 -23.7 -42.7 16 19.0 -26.2 280 48 330.5 330.5 292.1 331.4 0.24 21 365 8182 -24.3 -48.3 9 24.0 -27.0 280 49 332.0 332.0 292.4 332.5 0.13 22 344 8611 -28.1 -49.1 12 21.0 -30.2 279 48 332.5 332.5 292.5 333.0 0.13 23 329 8930 -30.3 -36.3 56 6.0 -31.2 277 48 333.7 333.9 293.2 335.7 0.52 24 307 9419 -34.5 -38.7 66 4.2 -35.0 276 47 334.5 334.6 293.4 336.2 0.44 25 300 9580 -35.7 -43.7 44 8.0 -36.5 275 47 335.1 335.1 293.3 336.1 0.27 26 299 9603 -35.7 -44.7 39 9.0 -36.5 274 47 335.4 335.4 293.4 336.3 0.24 27 283 9982 -38.9 -44.9 53 6.0 -39.4 285 45 336.1 336.2 293.6 337.1 0.25 28 252 10767 -44.9 -56.9 25 12.0 -45.4 271 51 338.5 338.6 294.0 338.8 0.07 29 250 10820 -45.3 -57.3 25 12.0 -45.8 270 51 338.7 338.7 294.1 339.0 0.07 30 227 11459 -51.1 -59.1 38 8.0 -51.3 254 63 339.3 339.3 294.2 339.6 0.06 31 222 11604 -51.6 -63.8 22 12.2 -51.9 250 66 340.7 340.7 294.5 340.8 0.03 32 214 11843 -52.5 -71.5 8 19.0 -52.8 250 66 342.9 342.9 295.0 343.0 0.01 33 200 12280 -54.5 -73.5 8 19.0 -54.8 260 60 346.5 346.5 295.8 346.5 0.01 34 161 13635 -63.9 -77.9 13 14.0 -64.0 269 50 352.8 352.8 297.3 352.8 0.01 35 150 14070 -60.9 -81.9 5 21.0 -61.1 265 53 365.2 365.2 299.7 365.2 0.00 36 147 14196 -60.5 -82.5 4 22.0 -60.7 266 51 368.0 368.0 300.2 368.0 0.00 37 124 15241 -67.3 -84.3 7 17.0 -67.4 270 59 374.0 374.0 301.2 374.0 0.00 38 112 15858 -65.9 -85.9 5 20.0 -66.0 265 48 387.6 387.6 303.5 387.6 0.00 39 100 16540 -69.9 -86.9 7 17.0 -70.0 305 32 392.7 392.7 304.2 392.7 0.00 40 96 16781 -70.9 -86.9 8 16.0 -71.0 305 36 395.3 395.3 304.6 395.3 0.00 41 88 17294 -71.1 -87.1 8 16.0 -71.2 294 33 404.9 404.9 305.9 404.9 0.00 42 83 17643 -66.3 -87.3 4 21.0 -66.5 287 31 421.5 421.5 307.9 421.5 0.00 43 71 18576 -70.3 -89.3 5 19.0 -70.4 267 25 432.2 432.2 309.1 432.2 0.00 44 70 18660 -68.9 -88.9 4 20.0 -69.0 265 25 437.0 437.0 309.6 437.0 0.00 45 67 18925 -64.5 -88.5 2 24.0 -64.7 280 22 452.0 452.0 311.0 452.0 0.00 46 64 19205 -66.1 -89.1 3 23.0 -66.3 296 20 454.5 454.5 311.3 454.5 0.00 47 50 20720 -61.7 -87.7 2 26.0 -62.1 20 5 498.1 498.1 314.8 498.1 0.00 48 44 21511 -59.1 -87.1 1 28.0 -59.8 28 8 523.0 523.0 316.5 523.0 0.00 49 30 23910 -57.3 -86.3 1 29.0 -58.5 50 15 588.4 588.4 320.0 588.5 0.01 50 24 25323 -56.7 -86.7 1 30.0 -58.3 629.0 629.0 321.9 629.0 0.01 TRP 96 16781 -70.9 -86.9 8 16.0 -71.0 305 36 395.3 395.3 304.6 395.3 0.00 WND 222 11604 -51.6 -63.8 22 12.2 -51.9 250 66 340.7 340.7 294.5 340.8 0.03 Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 600.32 mb = 4391.69 m = 14408.25 ft Wetbulb zero: 635.00 mb = 3931.53 m = 12898.57 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 41.31 % Est. max temperature: 39.65 C = 103.37 F Sfc-Lift cond lev (LCL): 903.73 mb = 925.12 m = 3035.14 ft T: 26.77 C 700-500 lapse rate: 7.97 C/km ThetaE index: 11.60 C Layer 700.0- 500.0 mb Conv cond level (CCL): 669.68 mb = 3494.74 m = 11465.55 ft Mean mixing ratio: 10.34 g/kg Conv temperature: 42.61 C = 108.70 F Cap Strength: 10.01 C Lifted Index: -0.52 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.78 C Lifted Index @700 mb: 5.92 C Showalter Index: 0.56 C Risk: Thunderstorms probable Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 35.10 C Cross Totals Index: 14.10 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 185.80 Risk: None Energy Index: -1.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 92.45 J/kg Max Up Vert Vel: 13.60 m/s Conv Inhibition (B-): 792.67 J/kg Cap Strength: 10.01 C Lift Cond Lev (LCL): 791.50 mb = 2078.84 m = 6820.26 ft Lev Free Conv (LFC): 566.50 mb = 4850.30 m = 15912.85 ft Equ Level (EL): 376.50 mb = 7955.37 m = 26099.98 ft B at Equ Level: 88.94 J/kg Max Parcel Lev (MPL): 296.50 mb = 9661.13 m = 31696.25 ft Wind level data Storm motion: 335 at 25 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 1001 24 20 3 -1.0 -2.8 | 150 23 -11.5 20.0 1 1000 33 30 2 -1.0 -1.7 | 151 24 -11.5 21.1 2 970 305 310 10 7.7 -6.4 | 170 17 -2.8 16.4 3 925 720 325 33 18.9 -27.0 | 296 9 8.4 -4.2 4 905 914 325 37 21.2 -30.3 | 305 13 10.7 -7.4 5 874 1219 320 47 30.2 -36.0 | 304 24 19.7 -13.1 6 850 1464 320 46 29.6 -35.2 | 303 23 19.1 -12.4 7 815 1829 300 42 36.4 -21.0 | 266 26 25.9 1.9 8 786 2134 300 41 35.5 -20.5 | 265 25 25.0 2.4 9 700 3131 300 32 27.7 -16.0 | 248 19 17.2 6.9 10 608 4267 310 30 23.0 -19.3 | 254 13 12.5 3.6 11 585 4572 305 27 22.1 -15.5 | 238 14 11.6 7.4 12 542 5182 290 37 34.8 -12.7 | 247 26 24.3 10.2 13 500 5830 300 37 32.0 -18.5 | 259 22 21.5 4.4 14 483 6096 305 36 29.5 -20.6 | 263 19 19.0 2.2 15 400 7510 280 45 44.3 -7.8 | 246 37 33.8 15.0 16 362 8230 280 49 48.3 -8.5 | 249 40 37.8 14.4 17 300 9580 275 47 46.8 -4.1 | 243 41 36.3 18.8 18 292 9754 270 46 46.0 -0.0 | 237 42 35.5 22.9 19 280 10058 290 45 42.3 -15.4 | 257 33 31.8 7.5 20 250 10820 270 51 51.0 -0.0 | 241 47 40.5 22.9 21 222 11604 250 66 62.0 22.6 | 229 69 51.5 45.4 22 213 11887 250 66 62.0 22.6 | 229 69 51.5 45.4 23 200 12280 260 60 59.1 10.4 | 236 59 48.6 33.3 24 167 13411 265 43 42.8 3.7 | 231 42 32.3 26.6 25 151 14021 275 63 62.8 -5.5 | 252 55 52.3 17.4 26 150 14070 265 53 52.8 4.6 | 237 50 42.3 27.5 27 137 14630 270 43 43.0 -0.0 | 235 40 32.5 22.9 28 130 14935 280 46 45.3 -8.0 | 247 38 34.8 14.9 29 124 15240 270 59 59.0 -0.0 | 245 54 48.5 22.9 30 112 15850 265 48 47.8 4.2 | 234 46 37.3 27.0 31 100 16540 305 32 26.2 -18.4 | 254 16 15.7 4.5 32 96 16764 305 32 26.2 -18.4 | 254 16 15.7 4.5 33 96 16781 305 36 29.5 -20.6 | 263 19 19.0 2.2 34 70 18660 265 25 24.9 2.2 | 210 29 14.4 25.0 35 50 20720 20 5 -1.7 -4.7 | 146 22 -12.2 18.2 36 30 23910 50 15 -11.5 -9.6 | 121 26 -22.0 13.2 Wind Parameters Mean winds (0-6000m): 305.3 at 33.5 knts Storm direction: 335.3 at 25.2 knts Shear (0-3000m) pos: 3.2 neg: 3.5 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 100.4 deg Storm rel helicity (0-3000m) pos: 79.6 neg: -138.6 tot: -59.0 m^2/s^2 ave: -19.7 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 0.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1.26 Bulk Shear: 73.22 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 ------------------------------------------------------------------------------- 500 317 10 167 16| 0.0 21.5 21.5| 54.5 -1.6 52.9 105.8 0.65| 23.4 15.1 1000 323 22 204 6| 9.6 10.8 20.4| 79.6 -1.6 78.1 78.1 0.65| 21.7 14.1 1500 322 30 272 8| 6.4 9.2 15.5| 79.6 -22.2 57.4 38.3 0.46| 18.0 8.2 2000 316 33 275 12| 4.8 7.1 11.9| 79.6-106.3 -26.7 -13.3 0.16| 17.0 2.8 2500 313 34 271 15| 3.8 4.9 8.8| 79.6-121.3 -41.6 -16.6 0.12| 14.4 1.7 3000 310 34 268 16| 3.2 3.5 6.7| 79.6-138.6 -59.0 -19.7 0.07| 12.8 0.9 4000 309 34 263 16| 2.4 2.6 5.0| 85.0-142.1 -57.1 -14.3 0.07| 10.3 0.7 5000 308 33 260 16| 1.9 2.9 4.9| 96.2-153.6 -57.4 -11.5 0.05| 9.7 0.5 6000 305 34 258 17| 2.1 2.4 4.6|134.3-153.6 -19.3 -3.2 0.10| 9.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251021.23.gif