UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 6 DEC 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 1007 22 23.0 18.2 74 4.8 19.8 170 13 295.6 297.9 292.6 333.4 13.17 1 1000 82 21.6 17.2 76 4.4 18.7 145 17 294.8 297.0 291.8 330.4 12.44 2 943 588 16.6 15.8 95 0.8 16.1 150 12 294.7 296.8 291.5 329.2 12.06 3 925 753 17.4 14.0 80 3.4 15.2 150 10 297.1 299.1 291.3 328.7 10.92 4 886 1122 18.4 10.4 60 8.0 13.4 245 8 301.8 303.5 291.3 328.4 8.97 5 850 1477 16.0 9.0 63 7.0 11.7 255 21 302.9 304.5 291.2 328.3 8.50 6 700 3095 4.0 3.8 99 0.2 3.9 285 40 306.9 308.3 291.4 328.8 7.20 7 683 3294 2.4 2.2 99 0.2 2.3 282 40 307.3 308.5 291.0 327.4 6.58 8 562 4845 -6.9 -14.9 53 8.0 -9.7 261 46 314.0 314.4 289.0 321.0 2.14 9 558 4901 -7.5 -15.5 53 8.0 -10.3 260 46 313.9 314.3 288.9 320.6 2.05 10 522 5419 -9.7 -12.5 80 2.8 -10.8 275 48 317.3 317.8 290.7 326.5 2.80 11 500 5750 -12.3 -13.3 92 1.0 -12.7 285 50 318.0 318.6 290.9 327.1 2.74 12 479 6077 -14.5 -14.9 97 0.4 -14.6 282 51 319.3 319.7 291.0 327.6 2.51 13 451 6530 -18.1 -18.8 94 0.7 -18.3 284 67 320.3 320.7 290.8 326.8 1.92 14 404 7347 -22.1 -26.3 69 4.2 -23.1 294 64 325.3 325.6 291.5 329.2 1.11 15 400 7420 -22.7 -26.4 72 3.7 -23.5 295 63 325.5 325.7 291.5 329.4 1.11 16 377 7852 -26.3 -28.8 79 2.5 -26.8 295 61 326.3 326.5 291.6 329.6 0.94 17 365 8086 -27.9 -34.9 51 7.0 -29.0 295 61 327.2 327.3 291.5 329.2 0.54 18 364 8105 -28.3 -32.6 67 4.3 -29.0 294 62 326.9 327.0 291.5 329.4 0.68 19 360 8185 -28.9 -40.9 31 12.0 -30.3 294 62 327.1 327.2 291.2 328.3 0.30 20 347 8447 -31.3 -44.3 27 13.0 -32.6 293 63 327.3 327.4 291.2 328.2 0.21 21 331 8780 -34.3 -40.3 55 6.0 -35.0 292 64 327.7 327.8 291.4 329.0 0.34 22 308 9280 -38.7 -49.7 30 11.0 -39.4 291 65 328.3 328.4 291.4 328.9 0.13 23 300 9460 -40.5 -49.5 37 9.0 -41.1 290 66 328.3 328.3 291.4 328.8 0.14 24 277 9997 -45.5 -50.0 60 4.5 -45.7 287 64 328.6 328.7 291.5 329.2 0.14 25 250 10670 -51.5 -57.5 49 6.0 -51.7 275 69 329.5 329.5 291.6 329.8 0.06 26 234 11093 -55.5 -61.5 47 6.0 -55.6 270 78 329.7 329.7 291.7 329.9 0.04 27 204 11957 -59.0 -70.2 22 11.2 -59.1 260 96 337.4 337.4 293.7 337.5 0.01 28 200 12080 -59.5 -71.5 20 12.0 -59.6 265 90 338.5 338.5 294.0 338.6 0.01 29 198 12143 -58.5 -70.5 20 12.0 -58.6 262 93 341.1 341.1 294.6 341.2 0.01 30 185 12567 -58.7 -74.7 11 16.0 -58.9 281 80 347.5 347.5 296.1 347.5 0.01 31 164 13313 -62.9 -75.9 16 13.0 -63.0 281 92 352.6 352.6 297.2 352.6 0.01 32 150 13860 -62.9 -80.9 7 18.0 -63.0 270 87 361.7 361.7 299.0 361.7 0.00 33 104 16110 -63.1 -86.1 3 23.0 -63.3 269 44 401.3 401.3 305.4 401.3 0.00 34 100 16350 -63.9 -85.9 3 22.0 -64.1 260 46 404.3 404.3 305.7 404.3 0.00 35 70 18530 -65.5 -88.5 3 23.0 -65.7 300 20 444.3 444.3 310.3 444.3 0.00 36 68 18706 -66.5 -88.5 3 22.0 -66.7 298 19 445.8 445.8 310.4 445.8 0.00 37 66 18888 -64.7 -89.7 2 25.0 -65.0 296 18 453.5 453.5 311.2 453.5 0.00 38 65 18982 -59.1 -88.1 1 29.0 -59.6 294 18 467.8 467.8 312.4 467.8 0.00 39 56 19908 -63.3 -88.3 2 25.0 -63.6 283 13 478.5 478.6 313.3 478.6 0.00 40 50 20610 -59.9 -87.9 1 28.0 -60.5 275 10 502.3 502.3 315.1 502.3 0.00 41 46 21130 -58.7 -87.7 1 29.0 -59.4 247 12 517.3 517.3 316.1 517.4 0.00 42 33 23203 -60.1 -88.1 1 28.0 -60.9 137 21 565.2 565.2 318.9 565.2 0.00 43 30 23800 -57.3 -86.3 1 29.0 -58.5 105 23 588.4 588.4 320.0 588.5 0.01 44 20 26390 -52.7 -84.7 1 32.0 -55.5 95 22 674.9 674.9 323.6 675.0 0.02 45 17 27442 -51.7 -83.7 1 32.0 -55.1 710.2 710.2 324.7 710.3 0.02 46 16 27838 -48.5 -83.5 1 35.0 -53.1 733.0 733.1 325.4 733.2 0.02 TRP 204 11957 -61.9 -67.9 45 6.0 -62.0 260 96 332.8 332.8 292.5 332.9 0.02 WND 204 11957 -59.0 -70.2 22 11.2 -59.1 260 96 337.4 337.4 293.7 337.5 0.01 Sounding variables and indices 1000-500 mb thick: 5668.00 m Freezing level: 651.77 mb = 3694.67 m = 12121.47 ft Wetbulb zero: 659.78 mb = 3569.54 m = 11710.95 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 77.41 % Est. max temperature: 30.15 C = 86.27 F Sfc-Lift cond lev (LCL): 938.62 mb = 627.91 m = 2060.04 ft T: 16.79 C 700-500 lapse rate: 6.14 C/km ThetaE index: 5.13 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 812.06 mb = 1857.52 m = 6094.15 ft Mean mixing ratio: 11.81 g/kg Conv temperature: 31.35 C = 88.44 F Cap Strength: 4.61 C Lifted Index: -0.89 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.03 C Lifted Index @700 mb: -0.18 C Showalter Index: -0.22 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 21.30 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 212.00 Risk: None Energy Index: -0.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 148.36 J/kg Max Up Vert Vel: 17.23 m/s Conv Inhibition (B-): 191.94 J/kg Cap Strength: 4.61 C Lift Cond Lev (LCL): 915.09 mb = 845.37 m = 2773.49 ft Lev Free Conv (LFC): 700.09 mb = 3093.96 m = 10150.66 ft Equ Level (EL): 410.09 mb = 7235.90 m = 23739.55 ft B at Equ Level: 145.18 J/kg Max Parcel Lev (MPL): 210.09 mb = 11771.50 m = 38619.92 ft Wind level data Storm motion: 302 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 1007 22 170 13 -2.3 12.8 | 138 35 -23.8 26.2 1 1000 82 145 17 -9.8 13.9 | 131 42 -31.2 27.3 2 974 305 150 23 -11.5 19.9 | 135 47 -33.0 33.3 3 941 610 150 11 -5.5 9.5 | 130 35 -27.0 22.9 4 925 753 150 10 -5.0 8.7 | 130 34 -26.5 22.0 5 908 914 180 3 0.0 3.0 | 127 27 -21.5 16.4 6 876 1219 275 10 10.0 -0.9 | 137 17 -11.5 12.5 7 850 1477 255 21 20.3 5.4 | 176 19 -1.2 18.8 8 845 1524 255 18 17.4 4.7 | 167 19 -4.1 18.0 9 786 2134 280 32 31.5 -5.6 | 232 13 10.0 7.8 10 704 3048 285 43 41.5 -11.1 | 264 20 20.0 2.3 11 700 3095 285 40 38.6 -10.4 | 260 17 17.1 3.0 12 652 3658 275 39 38.9 -3.4 | 240 20 17.4 10.0 13 603 4267 275 43 42.8 -3.7 | 246 23 21.3 9.6 14 559 4877 260 46 45.3 8.0 | 228 32 23.8 21.4 15 500 5750 285 50 48.3 -12.9 | 269 27 26.8 0.4 16 497 5791 280 41 40.4 -7.1 | 252 20 18.9 6.3 17 440 6706 285 74 71.5 -19.2 | 277 50 50.0 -5.8 18 400 7420 295 63 57.1 -26.6 | 290 38 35.6 -13.2 19 373 7925 295 61 55.3 -25.8 | 290 36 33.8 -12.4 20 300 9460 290 66 62.0 -22.6 | 283 42 40.5 -9.2 21 262 10363 285 63 60.9 -16.3 | 274 39 39.4 -2.9 22 250 10670 275 69 68.7 -6.0 | 261 48 47.2 7.4 23 204 11957 260 96 94.5 16.7 | 248 79 73.0 30.1 24 200 12080 265 90 89.7 7.8 | 253 71 68.2 21.2 25 196 12192 260 96 94.5 16.7 | 248 79 73.0 30.1 26 187 12497 280 78 76.8 -13.5 | 270 55 55.3 -0.2 27 169 13106 285 94 90.8 -24.3 | 279 70 69.3 -10.9 28 150 13860 270 87 87.0 -0.0 | 258 67 65.5 13.4 29 146 14021 270 87 87.0 -0.0 | 258 67 65.5 13.4 30 132 14630 275 65 64.8 -5.7 | 260 44 43.3 7.7 31 120 15240 265 84 83.7 7.3 | 252 66 62.2 20.7 32 114 15545 250 63 59.2 21.5 | 227 51 37.7 34.9 33 108 15850 260 50 49.2 8.7 | 231 35 27.7 22.1 34 103 16154 270 43 43.0 -0.0 | 238 25 21.5 13.4 35 100 16350 260 46 45.3 8.0 | 228 32 23.8 21.4 36 98 16459 260 47 46.3 8.2 | 229 33 24.8 21.5 37 70 18530 300 20 17.3 -10.0 | 129 5 -4.2 3.4 38 50 20610 275 10 10.0 -0.9 | 137 17 -11.5 12.5 39 30 23800 105 23 -22.2 6.0 | 114 48 -43.7 19.3 40 20 26390 95 22 -21.9 1.9 | 109 46 -43.4 15.3 Wind Parameters Mean winds (0-6000m): 271.9 at 33.8 knts Storm direction: 301.9 at 25.3 knts Shear (0-3000m) pos: 9.2 neg: 0.9 tot: 10.1 10-3/s Storm rel Dir Shear (0-3000m): 125.2 deg Storm rel helicity (0-3000m) pos: 204.8 neg: -94.5 tot: 110.3 m^2/s^2 ave: 36.8 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 14.6 stream: 5.5 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 0.52 Bulk Shear: 288.05 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 ------------------------------------------------------------------------------- 500 150 19 134 43| 0.0 5.1 5.1| 29.2 -65.9 -36.7 -73.4 -0.18| 21.2 -3.9 1000 152 14 132 38| 6.7 2.6 9.2| 52.4 -89.6 -37.2 -37.2 -0.09| 18.5 -1.7 1500 179 13 141 34| 8.9 1.7 10.6|104.4 -94.5 9.8 6.5 0.12| 19.3 2.4 2000 222 16 157 27| 10.2 1.3 11.5|157.4 -94.5 62.9 31.4 0.28| 18.1 5.1 2500 251 19 171 20| 9.8 1.0 10.8|184.2 -94.5 89.7 35.9 0.35| 16.2 5.6 3000 265 23 185 16| 9.2 0.9 10.1|204.8 -94.5 110.3 36.8 0.38| 14.6 5.5 4000 271 27 205 14| 6.9 1.1 8.0|210.8-130.1 80.7 20.2 0.27| 12.4 3.3 5000 270 31 215 16| 5.5 1.6 7.1|234.8-184.3 50.5 10.1 0.19| 11.5 2.2 6000 272 34 225 17| 5.4 1.3 6.7|383.3-220.5 162.8 27.1 0.25| 12.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251206.23.gif