UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100923.upa.cvt Date: 2300Z 9 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 9 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 1013 23 24.4 15.4 57 9.0 18.5 290 13 296.5 298.4 291.2 328.0 10.92 1 1010 49 22.8 13.8 57 9.0 17.1 289 14 295.1 296.9 289.8 323.5 9.86 2 1000 135 22.2 14.2 60 8.0 17.1 285 17 295.4 297.2 290.2 324.8 10.23 3 925 806 15.8 12.8 82 3.0 13.9 300 23 295.5 297.3 290.1 324.5 10.09 4 905 992 14.8 11.9 83 2.9 13.0 300 31 296.3 298.0 290.1 324.4 9.71 5 891 1124 15.6 9.6 67 6.0 12.0 300 36 298.4 300.0 289.7 323.2 8.45 6 850 1523 13.4 2.4 47 11.0 7.5 295 33 300.2 301.2 287.5 316.2 5.35 7 826 1763 11.4 -1.6 40 13.0 5.0 276 33 300.5 301.3 286.4 313.0 4.12 8 820 1824 11.8 -10.2 20 22.0 2.7 271 33 301.6 302.0 284.7 308.3 2.14 9 789 2145 11.2 -36.8 2 48.0 -0.7 270 38 304.3 304.3 283.4 305.0 0.21 10 768 2370 10.4 -14.6 16 25.0 0.8 274 46 305.8 306.1 285.7 310.9 1.60 11 741 2666 8.2 -2.8 46 11.0 2.8 279 57 306.5 307.3 288.6 319.5 4.20 12 725 2846 8.2 -18.8 13 27.0 -1.3 281 59 308.5 308.7 286.2 312.4 1.19 13 700 3134 5.2 -8.8 36 14.0 -0.8 285 57 308.2 308.8 287.8 317.1 2.81 14 683 3333 3.2 -1.7 70 4.9 0.8 289 59 308.2 309.1 289.8 323.5 4.95 15 676 3417 2.6 -8.4 44 11.0 -2.1 290 58 308.4 309.0 288.1 317.9 3.00 16 663 3573 1.0 -9.0 47 10.0 -3.2 289 57 308.3 308.9 287.9 317.6 2.92 17 656 3658 0.6 -17.4 25 18.0 -5.5 288 56 308.8 309.1 286.6 313.7 1.49 18 619 4120 -2.1 -29.1 11 27.0 -8.9 286 52 310.9 311.0 286.4 312.8 0.56 19 571 4754 -7.1 -28.1 17 21.0 -12.2 282 48 312.3 312.4 286.9 314.6 0.66 20 552 5018 -7.3 -48.3 2 41.0 -13.6 281 47 315.1 315.1 287.2 315.4 0.09 21 500 5780 -12.1 -52.1 2 40.0 -17.2 275 56 318.3 318.3 288.3 318.5 0.06 22 492 5903 -12.9 -50.9 3 38.0 -17.8 273 56 318.8 318.8 288.4 319.1 0.07 23 425 6998 -22.3 -43.3 13 21.0 -24.9 281 60 320.4 320.4 289.1 321.1 0.20 24 400 7440 -25.5 -51.5 7 26.0 -27.8 275 59 321.8 321.9 289.4 322.2 0.08 25 333 8742 -35.3 -60.3 6 25.0 -36.5 269 74 325.7 325.8 290.5 325.9 0.03 26 326 8890 -36.1 -53.1 16 17.0 -37.1 268 76 326.6 326.6 290.9 327.0 0.08 27 300 9460 -41.7 -52.7 29 11.0 -42.3 265 84 326.6 326.6 290.9 327.0 0.10 28 270 10166 -48.3 -53.0 58 4.7 -48.5 265 96 327.0 327.0 291.0 327.4 0.10 29 264 10314 -49.5 -55.0 52 5.5 -49.7 265 98 327.3 327.3 291.0 327.6 0.08 30 253 10593 -51.9 -58.9 43 7.0 -52.1 265 92 327.8 327.8 291.2 328.0 0.05 31 250 10670 -52.1 -63.1 25 11.0 -52.3 265 90 328.6 328.6 291.3 328.7 0.03 32 244 10827 -51.7 -73.7 5 22.0 -52.0 267 89 331.5 331.5 292.2 331.5 0.01 33 232 11153 -52.3 -76.3 4 24.0 -52.6 270 86 335.4 335.4 293.2 335.4 0.01 34 200 12110 -53.1 -78.1 3 25.0 -53.4 280 89 348.7 348.7 296.3 348.7 0.00 35 195 12273 -52.3 -78.3 3 26.0 -52.7 280 92 352.5 352.5 297.2 352.5 0.00 36 150 13940 -60.1 -83.1 3 23.0 -60.3 280 92 366.5 366.5 299.9 366.5 0.00 37 116 15516 -67.1 -86.1 5 19.0 -67.2 270 76 381.5 381.5 302.5 381.5 0.00 38 106 16062 -65.9 -86.9 4 21.0 -66.0 270 74 393.8 393.8 304.3 393.8 0.00 39 100 16420 -60.3 -87.3 2 27.0 -60.6 270 52 411.2 411.2 306.7 411.2 0.00 40 93 16874 -58.3 -86.3 2 28.0 -58.7 274 51 423.8 423.8 308.2 423.8 0.00 41 78 17960 -66.1 -88.1 3 22.0 -66.2 310 25 429.5 429.5 308.8 429.5 0.00 42 70 18620 -63.5 -88.5 2 25.0 -63.8 265 19 448.5 448.5 310.7 448.5 0.00 43 64 19171 -61.9 -88.9 2 27.0 -62.3 298 18 463.7 463.7 312.1 463.7 0.00 44 61 19466 -63.7 -89.7 2 26.0 -64.0 316 18 466.1 466.1 312.3 466.1 0.00 45 59 19673 -58.7 -88.7 1 30.0 -59.3 329 17 481.8 481.8 313.6 481.8 0.00 46 50 20710 -58.9 -87.9 1 29.0 -59.6 30 16 504.7 504.7 315.3 504.7 0.00 47 30 23940 -55.7 -86.7 1 31.0 -57.2 85 28 592.8 592.8 320.3 592.8 0.01 48 26 24853 -55.1 -87.1 1 32.0 -56.9 619.3 619.3 321.5 619.3 0.01 TRP 78 17960 -66.1 -88.1 3 22.0 -66.2 310 25 429.5 429.5 308.8 429.5 0.00 WND 264 10314 -49.5 -55.0 52 5.5 -49.7 265 98 327.3 327.3 291.0 327.6 0.08 Sounding variables and indices 1000-500 mb thick: 5645.00 m Freezing level: 647.78 mb = 3760.52 m = 12337.51 ft Wetbulb zero: 795.12 mb = 2080.69 m = 6826.34 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 31.93 % Est. max temperature: 27.58 C = 81.65 F Sfc-Lift cond lev (LCL): 887.67 mb = 1155.72 m = 3791.69 ft T: 15.43 C 700-500 lapse rate: 6.54 C/km ThetaE index: 19.77 C Layer 925.0- 768.0 mb Conv cond level (CCL): 762.30 mb = 2431.40 m = 7976.95 ft Mean mixing ratio: 10.13 g/kg Conv temperature: 33.93 C = 93.07 F Cap Strength: 4.37 C Lifted Index: 1.83 C Risk: Showers probable Lifted Index @300 mb: 2.08 C Lifted Index @700 mb: 2.90 C Showalter Index: 6.45 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 14.50 C K Index: 13.90 Risk: None Sweat Index: 150.80 Risk: None Energy Index: 0.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.33 J/kg Max Up Vert Vel: 1.63 m/s Conv Inhibition (B-): 26071.02 J/kg Cap Strength: 4.31 C Lift Cond Lev (LCL): 885.84 mb = 1173.25 m = 3849.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 33 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 1013 23 290 13 12.2 -4.4 | 147 22 -11.8 18.4 1 1000 135 285 17 16.4 -4.4 | 158 20 -7.6 18.4 2 980 305 300 16 13.9 -8.0 | 146 18 -10.1 14.8 3 925 806 300 23 19.9 -11.5 | 160 12 -4.1 11.3 4 913 914 300 28 24.2 -14.0 | 182 9 0.2 8.8 5 881 1219 300 40 34.6 -20.0 | 255 11 10.6 2.8 6 850 1523 295 33 29.9 -13.9 | 214 11 5.9 8.9 7 819 1829 270 33 33.0 -0.0 | 201 25 9.0 22.8 8 790 2134 270 38 38.0 -0.0 | 211 27 14.0 22.8 9 734 2743 280 60 59.1 -10.4 | 250 37 35.1 12.4 10 700 3134 285 57 55.1 -14.8 | 255 32 31.1 8.1 11 681 3353 290 59 55.4 -20.2 | 265 32 31.4 2.7 12 606 4267 285 50 48.3 -12.9 | 248 26 24.3 9.9 13 540 5182 280 46 45.3 -8.0 | 235 26 21.3 14.9 14 500 5780 275 56 55.8 -4.9 | 241 37 31.8 18.0 15 479 6096 270 57 57.0 -0.0 | 235 40 33.0 22.8 16 442 6706 285 61 58.9 -15.8 | 259 36 34.9 7.1 17 400 7440 275 59 58.8 -5.1 | 243 39 34.8 17.7 18 390 7620 275 59 58.8 -5.1 | 243 39 34.8 17.7 19 300 9460 265 84 83.7 7.3 | 243 67 59.7 30.2 20 264 10314 265 98 97.6 8.5 | 247 80 73.6 31.4 21 262 10363 265 98 97.6 8.5 | 247 80 73.6 31.4 22 250 10670 265 90 89.7 7.8 | 245 72 65.7 30.7 23 217 11582 275 82 81.7 -7.1 | 255 60 57.7 15.7 24 200 12110 280 89 87.6 -15.5 | 263 64 63.6 7.4 25 188 12497 280 96 94.5 -16.7 | 265 71 70.5 6.2 26 171 13106 265 92 91.6 8.0 | 245 74 67.6 30.9 27 150 13940 280 92 90.6 -16.0 | 264 67 66.6 6.9 28 148 14021 280 91 89.6 -15.8 | 264 66 65.6 7.0 29 115 15545 270 76 76.0 -0.0 | 246 57 52.0 22.8 30 110 15850 270 87 87.0 -0.0 | 250 67 63.0 22.8 31 100 16420 270 52 52.0 -0.0 | 231 36 28.0 22.8 32 95 16764 270 53 53.0 -0.0 | 232 37 29.0 22.8 33 78 17960 310 25 19.2 -16.1 | 144 8 -4.9 6.8 34 70 18620 265 19 18.9 1.7 | 168 25 -5.1 24.5 35 50 20710 30 16 -8.0 -13.9 | 106 33 -32.0 9.0 36 30 23940 85 28 -27.9 -2.4 | 111 56 -51.9 20.4 Wind Parameters Mean winds (0-6000m): 283.6 at 44.2 knts Storm direction: 313.6 at 33.1 knts Shear (0-3000m) pos: 5.3 neg: 3.8 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 106.6 deg Storm rel helicity (0-3000m) pos: 290.0 neg: -54.9 tot: 235.0 m^2/s^2 ave: 78.3 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 14.7 stream: 6.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 104.30 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 ------------------------------------------------------------------------------- 500 295 17 151 18| 6.8 0.0 6.8| 24.0 -16.8 7.2 14.4 0.12| 11.0 1.3 1000 298 20 156 15| 3.4 6.8 10.2| 51.2 -16.8 34.4 34.4 0.48| 12.4 5.9 1500 298 26 173 11| 2.3 4.8 7.1| 66.9 -37.5 29.4 19.6 0.28| 13.5 3.7 2000 292 28 188 13| 1.7 5.6 7.3| 85.4 -54.9 30.5 15.2 0.18| 14.6 2.6 2500 287 31 202 15| 4.7 4.5 9.2|202.7 -54.9 147.8 59.1 0.35| 15.1 5.2 3000 285 35 217 17| 5.3 3.8 9.0|290.0 -54.9 235.0 78.3 0.41| 14.7 6.0 4000 286 41 233 19| 4.2 2.7 6.9|337.2 -98.7 238.5 59.6 0.35| 12.8 4.5 5000 285 43 236 21| 3.4 2.3 5.7|337.2-148.6 188.6 37.7 0.26| 11.0 2.8 6000 284 44 237 23| 2.8 3.0 5.8|356.5-178.6 177.9 29.7 0.22| 10.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251009.23.gif