UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101623.upa.cvt Date: 2300Z 16 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 16 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 1012 19 28.8 13.8 40 15.0 19.0 290 13 300.9 302.7 291.7 329.9 9.84 1 1000 124 27.4 12.4 39 15.0 17.8 295 13 300.5 302.2 290.9 327.3 9.08 2 932 741 21.2 10.2 49 11.0 14.4 307 25 300.3 301.9 290.3 325.1 8.41 3 925 806 21.0 11.0 53 10.0 14.7 305 27 300.8 302.4 290.9 327.2 8.94 4 850 1533 16.4 10.4 68 6.0 12.6 275 35 303.3 305.1 292.0 331.2 9.36 5 739 2708 7.6 3.5 75 4.1 5.3 262 18 306.1 307.4 290.7 326.4 6.67 6 700 3153 4.2 -1.8 65 6.0 1.2 265 19 307.1 308.0 289.3 321.9 4.79 7 689 3282 3.4 -2.6 65 6.0 0.5 265 19 307.6 308.5 289.3 321.8 4.59 8 678 3412 3.6 -9.4 38 13.0 -1.9 262 19 309.3 309.8 288.1 318.1 2.76 9 585 4585 -7.1 -9.0 86 1.9 -7.9 245 15 310.1 310.8 288.9 320.6 3.31 10 541 5189 -11.3 -11.6 98 0.3 -11.4 260 23 312.1 312.7 289.2 321.5 2.91 11 505 5715 -14.3 -18.7 69 4.4 -15.6 251 30 314.7 315.0 288.9 320.4 1.73 12 500 5790 -14.9 -18.8 72 3.9 -16.0 250 31 314.9 315.2 288.9 320.6 1.73 13 484 6036 -16.7 -19.7 78 3.0 -17.6 250 33 315.6 315.9 289.1 321.1 1.66 14 480 6098 -16.3 -24.3 50 8.0 -18.3 250 33 316.8 317.1 288.9 320.7 1.11 15 470 6257 -16.5 -35.5 18 19.0 -19.8 258 25 318.5 318.6 288.7 319.9 0.40 16 465 6337 -16.7 -36.7 16 20.0 -20.1 262 21 319.2 319.3 288.9 320.5 0.35 17 412 7235 -24.1 -44.1 14 20.0 -26.4 242 36 320.9 321.0 289.2 321.6 0.18 18 406 7342 -24.9 -36.9 32 12.0 -26.6 244 38 321.3 321.3 289.6 322.7 0.40 19 400 7450 -25.7 -41.7 21 16.0 -27.6 245 40 321.6 321.6 289.5 322.5 0.25 20 340 8603 -35.7 -46.7 31 11.0 -36.5 264 43 323.3 323.3 289.9 323.9 0.17 21 311 9216 -40.7 -55.7 18 15.0 -41.4 272 39 324.6 324.7 290.2 324.9 0.06 22 300 9460 -42.5 -56.5 20 14.0 -43.1 275 37 325.5 325.5 290.5 325.7 0.06 23 250 10660 -52.7 -62.7 29 10.0 -52.9 265 39 327.7 327.7 291.1 327.9 0.03 24 236 11029 -55.5 -64.5 32 9.0 -55.6 270 50 328.9 328.9 291.5 329.0 0.03 25 200 12080 -56.5 -73.5 10 17.0 -56.7 260 65 343.3 343.3 295.1 343.3 0.01 26 195 12241 -55.7 -75.0 7 19.3 -56.0 260 71 347.0 347.0 296.0 347.0 0.01 27 181 12719 -53.5 -79.5 3 26.0 -53.9 260 69 358.1 358.1 298.3 358.1 0.00 28 150 13920 -56.9 -82.9 2 26.0 -57.2 270 46 372.0 372.0 300.9 372.1 0.00 29 112 15737 -64.3 -86.3 3 22.0 -64.4 264 33 390.6 390.6 303.9 390.6 0.00 30 110 15847 -64.7 -86.7 3 22.0 -64.8 260 35 391.9 391.9 304.0 391.9 0.00 31 100 16430 -63.9 -86.9 3 23.0 -64.1 260 34 404.3 404.3 305.7 404.3 0.00 32 80 17790 -66.5 -89.5 3 23.0 -66.7 285 22 425.6 425.6 308.3 425.6 0.00 33 71 18522 -61.3 -89.3 1 28.0 -61.7 303 13 451.4 451.4 311.0 451.4 0.00 34 70 18610 -61.9 -88.9 2 27.0 -62.2 305 12 452.0 452.0 311.0 452.0 0.00 35 66 18973 -63.3 -89.3 2 26.0 -63.6 333 12 456.6 456.6 311.5 456.6 0.00 36 56 19982 -63.1 -90.1 1 27.0 -63.4 51 11 479.0 479.0 313.4 479.0 0.00 37 52 20443 -58.3 -88.3 1 30.0 -59.0 86 11 500.4 500.4 315.0 500.5 0.00 38 50 20690 -58.5 -88.5 1 30.0 -59.2 105 11 505.6 505.6 315.4 505.6 0.00 39 32 23510 -55.7 -87.7 1 32.0 -57.1 92 28 582.0 582.0 319.8 582.0 0.01 40 30 23920 -56.3 -88.3 1 32.0 -57.7 90 30 591.2 591.2 320.2 591.2 0.01 41 28 24357 -57.3 -88.3 1 31.0 -58.6 600.2 600.2 320.6 600.2 0.01 42 22 25895 -53.5 -86.5 1 33.0 -55.9 654.3 654.3 322.9 654.4 0.01 TRP 236 11029 -55.5 -64.5 32 9.0 -55.6 270 50 328.9 328.9 291.5 329.0 0.03 WND 195 12241 -55.7 -75.0 7 19.3 -56.0 260 71 347.0 347.0 296.0 347.0 0.01 Sounding variables and indices 1000-500 mb thick: 5666.00 m Freezing level: 646.71 mb = 3806.57 m = 12488.59 ft Wetbulb zero: 686.74 mb = 3308.18 m = 10853.48 ft Precipitable water: 1.29 inches Sfc-500 mean rel hum: 67.40 % Est. max temperature: 30.79 C = 87.43 F Sfc-Lift cond lev (LCL): 813.15 mb = 1905.05 m = 6250.09 ft T: 13.61 C 700-500 lapse rate: 7.24 C/km ThetaE index: 13.13 C Layer 739.0- 585.0 mb Conv cond level (CCL): 737.71 mb = 2722.16 m = 8930.86 ft Mean mixing ratio: 8.85 g/kg Conv temperature: 34.05 C = 93.28 F Cap Strength: 3.80 C Lifted Index: -2.03 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.04 C Lifted Index @700 mb: 1.13 C Showalter Index: -4.26 C Risk: Severe thunderstorms possible Total Totals Index: 56.60 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.30 C Cross Totals Index: 25.30 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 377.80 Risk: Showers and thunderstorms possible Energy Index: -2.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 232.18 J/kg Max Up Vert Vel: 21.55 m/s Conv Inhibition (B-): 215.30 J/kg Cap Strength: 3.80 C Lift Cond Lev (LCL): 798.39 mb = 2058.88 m = 6754.79 ft Lev Free Conv (LFC): 623.39 mb = 4079.61 m = 13384.39 ft Equ Level (EL): 293.39 mb = 9606.73 m = 31517.75 ft B at Equ Level: 231.67 J/kg Max Parcel Lev (MPL): 203.39 mb = 11973.40 m = 39282.33 ft Wind level data Storm motion: 298 at 17 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 1012 19 290 13 12.2 -4.4 | 143 5 -2.7 3.6 1 1000 124 295 13 11.8 -5.5 | 129 4 -3.2 2.6 2 946 610 310 20 15.3 -12.9 | 356 5 0.4 -4.8 3 925 806 305 27 22.1 -15.5 | 316 10 7.2 -7.4 4 913 914 300 32 27.7 -16.0 | 302 15 12.8 -7.9 5 851 1524 285 39 37.7 -10.1 | 275 23 22.7 -2.0 6 850 1533 275 35 34.9 -3.1 | 256 21 19.9 5.0 7 791 2134 270 25 25.0 -0.0 | 231 13 10.0 8.1 8 763 2438 260 18 17.7 3.1 | 194 12 2.8 11.2 9 700 3153 265 19 18.9 1.7 | 202 11 4.0 9.7 10 682 3353 265 19 18.9 1.7 | 202 11 4.0 9.7 11 656 3658 245 17 15.4 7.2 | 182 15 0.5 15.3 12 607 4267 245 16 14.5 6.8 | 178 15 -0.5 14.8 13 584 4572 245 15 13.6 6.3 | 175 14 -1.4 14.4 14 540 5182 260 23 22.7 4.0 | 213 14 7.7 12.1 15 500 5790 250 31 29.1 10.6 | 217 23 14.2 18.7 16 480 6096 250 33 31.0 11.3 | 220 25 16.1 19.4 17 461 6401 265 17 16.9 1.5 | 192 10 2.0 9.6 18 424 7010 240 32 27.7 16.0 | 208 27 12.8 24.1 19 400 7450 245 40 36.3 16.9 | 220 33 21.3 25.0 20 358 8230 260 45 44.3 7.8 | 242 33 29.4 15.9 21 300 9449 275 37 36.9 -3.2 | 258 22 21.9 4.9 22 300 9460 275 37 36.9 -3.2 | 258 22 21.9 4.9 23 274 10058 270 36 36.0 -0.0 | 249 23 21.0 8.1 24 262 10363 260 39 38.4 6.8 | 238 28 23.5 14.8 25 250 10660 265 39 38.9 3.4 | 244 27 23.9 11.5 26 236 11029 270 50 50.0 -0.0 | 257 36 35.0 8.1 27 206 11887 275 47 46.8 -4.1 | 263 32 31.9 4.0 28 200 12080 260 65 64.0 11.3 | 248 53 49.1 19.4 29 195 12241 260 71 69.9 12.3 | 250 59 55.0 20.4 30 187 12497 260 71 69.9 12.3 | 250 59 55.0 20.4 31 155 13716 260 61 60.1 10.6 | 248 49 45.1 18.7 32 150 13920 270 46 46.0 -0.0 | 255 32 31.0 8.1 33 148 14021 265 45 44.8 3.9 | 248 32 29.9 12.0 34 140 14326 280 49 48.3 -8.5 | 271 33 33.3 -0.4 35 127 14935 260 56 55.1 9.7 | 246 44 40.2 17.8 36 115 15545 270 30 30.0 -0.0 | 242 17 15.0 8.1 37 105 16154 250 40 37.6 13.7 | 226 31 22.6 21.8 38 100 16430 260 34 33.5 5.9 | 233 23 18.5 14.0 39 95 16764 260 34 33.5 5.9 | 233 23 18.5 14.0 40 70 18610 305 12 9.8 -6.9 | 103 5 -5.1 1.2 41 50 20690 105 11 -10.6 2.8 | 113 28 -25.6 10.9 42 30 23920 90 30 -30.0 0.0 | 100 46 -45.0 8.1 Wind Parameters Mean winds (0-6000m): 268.4 at 22.7 knts Storm direction: 298.4 at 17.0 knts Shear (0-3000m) pos: 1.5 neg: 2.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 57.6 deg Storm rel helicity (0-3000m) pos: 3.3 neg: -157.5 tot: -154.2 m^2/s^2 ave: -51.4 10^-3 m/s^2 rel: -0.71 Storm rel vorticity (0-3000m) horiz: 10.4 stream: -7.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.93 Bulk Shear: 21.24 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 ------------------------------------------------------------------------------- 500 300 15 101 2| 7.6 0.0 7.6| 0.0 -3.2 -3.2 -6.5 -0.68| 8.1 -5.6 1000 303 21 323 4| 3.8 7.8 11.6| 0.0 -28.2 -28.2 -28.2 -0.62| 12.5 -7.8 1500 297 26 295 9| 2.5 7.8 10.3| 0.0 -64.5 -64.5 -43.0 -0.65| 11.6 -7.6 2000 290 27 277 11| 1.9 4.2 6.1| 0.0-128.1-128.1 -64.0 -0.70| 12.8 -9.0 2500 286 26 265 10| 1.5 3.0 4.5| 0.0-157.5-157.5 -63.0 -0.74| 12.2 -9.0 3000 283 25 255 10| 1.5 2.5 4.0| 3.3-157.5-154.2 -51.4 -0.71| 10.4 -7.3 4000 277 23 237 9| 1.1 2.5 3.6| 4.1-175.2-171.0 -42.8 -0.70| 8.8 -6.1 5000 272 22 223 10| 1.4 1.9 3.3| 29.0-179.6-150.6 -30.1 -0.55| 7.8 -4.3 6000 268 23 221 12| 1.2 2.2 3.4| 50.2-179.6-129.5 -21.6 -0.42| 7.7 -3.2 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251016.23.gif