UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100623.upa.cvt Date: 2300Z 6 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 6 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 1015 20 18.8 15.5 81 3.3 16.7 125 1 290.7 292.7 289.2 321.6 10.97 1 1000 147 17.2 15.0 87 2.2 15.8 55 5 290.4 292.3 288.9 320.7 10.78 2 958 512 13.8 13.8 100 0.0 13.8 21 12 290.5 292.3 288.7 319.8 10.40 3 928 781 13.4 12.9 97 0.5 13.1 348 10 292.7 294.5 289.2 321.6 10.12 4 925 808 13.8 12.5 92 1.3 13.0 345 10 293.4 295.2 289.3 321.7 9.89 5 911 937 14.6 10.0 74 4.6 11.9 314 13 295.5 297.1 288.8 320.1 8.49 6 850 1523 13.4 5.4 58 8.0 8.9 285 32 300.2 301.4 288.7 319.9 6.63 7 831 1713 12.8 4.8 58 8.0 8.3 276 33 301.5 302.7 289.0 320.9 6.50 8 711 3000 2.0 0.8 92 1.2 1.4 256 41 303.3 304.4 288.9 320.6 5.71 9 700 3126 1.6 1.0 96 0.6 1.3 255 42 304.3 305.3 289.4 322.1 5.89 10 653 3683 -1.7 -1.7 100 0.0 -1.7 262 43 306.6 307.6 289.5 322.5 5.18 11 639 3855 -2.1 -2.6 96 0.5 -2.3 266 45 308.1 309.0 289.8 323.4 4.95 12 577 4662 -5.3 -10.3 68 5.0 -7.3 269 45 313.5 314.0 289.8 323.2 3.03 13 559 4910 -7.1 -14.1 57 7.0 -9.6 265 42 314.2 314.6 289.3 321.7 2.30 14 521 5455 -11.5 -14.6 78 3.1 -12.6 256 37 315.3 315.7 289.7 323.0 2.37 15 500 5770 -12.3 -14.7 82 2.4 -13.2 260 49 318.0 318.5 290.6 326.1 2.45 16 486 5987 -13.5 -15.3 86 1.8 -14.1 267 57 319.2 319.6 290.9 327.1 2.39 17 448 6606 -16.7 -19.8 77 3.1 -17.6 272 60 322.7 323.0 291.3 328.7 1.77 18 400 7450 -22.9 -24.7 85 1.8 -23.3 275 58 325.2 325.5 291.6 329.7 1.29 19 308 9308 -36.1 -38.7 77 2.6 -36.4 280 81 332.0 332.1 292.7 333.6 0.44 20 300 9490 -37.5 -44.5 48 7.0 -38.1 280 83 332.5 332.6 292.6 333.5 0.24 21 298 9536 -37.9 -44.9 48 7.0 -38.5 280 83 332.6 332.6 292.7 333.5 0.23 22 250 10720 -48.9 -53.3 60 4.4 -49.1 275 82 333.4 333.4 292.7 333.8 0.11 23 240 10987 -51.3 -56.0 57 4.7 -51.4 275 82 333.7 333.7 292.8 334.0 0.08 24 221 11518 -54.9 -58.0 68 3.1 -55.0 269 93 336.1 336.1 293.4 336.4 0.07 25 213 11753 -56.7 -62.7 47 6.0 -56.8 267 97 336.9 336.9 293.6 337.0 0.04 26 207 11934 -57.9 -59.4 83 1.5 -57.9 265 99 337.7 337.7 293.8 338.0 0.06 27 205 11995 -58.3 -61.7 65 3.4 -58.3 265 98 338.0 338.1 293.9 338.2 0.05 28 203 12056 -58.5 -68.5 27 10.0 -58.6 265 96 338.7 338.7 294.0 338.8 0.02 29 200 12150 -58.7 -70.7 20 12.0 -58.9 265 94 339.8 339.8 294.3 339.9 0.01 30 164 13389 -62.5 -77.5 12 15.0 -62.6 275 91 353.3 353.3 297.3 353.3 0.01 31 150 13940 -63.3 -81.3 7 18.0 -63.4 280 90 361.0 361.0 298.9 361.0 0.00 32 125 15052 -66.3 -83.6 7 17.4 -66.4 280 101 375.0 375.0 301.4 375.0 0.00 33 113 15661 -67.9 -84.9 7 17.0 -68.0 260 84 382.9 382.9 302.7 382.9 0.00 34 100 16400 -65.5 -86.5 4 21.0 -65.7 260 49 401.2 401.2 305.3 401.2 0.00 35 85 17403 -59.3 -86.3 2 27.0 -59.7 262 38 432.8 432.8 309.1 432.8 0.00 36 72 18436 -62.3 -87.3 2 25.0 -62.6 265 19 447.5 447.5 310.6 447.5 0.00 37 70 18610 -61.3 -88.3 2 27.0 -61.7 265 16 453.2 453.2 311.1 453.3 0.00 38 57 19895 -57.1 -87.1 1 30.0 -57.8 158 11 490.2 490.2 314.2 490.2 0.00 39 53 20353 -58.1 -87.1 1 29.0 -58.8 120 9 498.2 498.2 314.8 498.2 0.00 40 50 20720 -57.7 -86.7 1 29.0 -58.5 90 7 507.5 507.5 315.5 507.5 0.00 41 34 23160 -56.3 -87.3 1 31.0 -57.5 79 28 570.4 570.4 319.2 570.4 0.01 42 30 23960 -53.5 -85.5 1 32.0 -55.4 75 35 598.8 598.8 320.6 598.8 0.01 43 24 25405 -50.7 -84.7 1 34.0 -53.6 646.4 646.4 322.6 646.5 0.01 44 22 25971 -51.1 -85.1 1 34.0 -54.1 661.5 661.5 323.1 661.6 0.01 TRP 113 15661 -67.9 -84.9 7 17.0 -68.0 260 84 382.9 382.9 302.7 382.9 0.00 WND 125 15052 -66.3 -83.6 7 17.4 -66.4 280 101 375.0 375.0 301.4 375.0 0.00 Sounding variables and indices 1000-500 mb thick: 5623.00 m Freezing level: 677.21 mb = 3395.98 m = 11141.52 ft Wetbulb zero: 679.41 mb = 3365.13 m = 11040.32 ft Precipitable water: 1.39 inches Sfc-500 mean rel hum: 79.59 % Est. max temperature: 27.13 C = 80.83 F Sfc-Lift cond lev (LCL): 966.67 mb = 435.33 m = 1428.21 ft T: 14.51 C 700-500 lapse rate: 5.26 C/km ThetaE index: 1.84 C Layer 911.0- 831.0 mb Conv cond level (CCL): 812.95 mb = 1894.48 m = 6215.41 ft Mean mixing ratio: 10.39 g/kg Conv temperature: 29.92 C = 85.86 F Cap Strength: 4.58 C Lifted Index: 3.73 C Risk: None Lifted Index @300 mb: 8.89 C Lifted Index @700 mb: 0.88 C Showalter Index: 4.17 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 17.70 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 177.80 Risk: None Energy Index: 1.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.02 J/kg Max Up Vert Vel: 5.48 m/s Conv Inhibition (B-): 34947.57 J/kg Cap Strength: 4.47 C Lift Cond Lev (LCL): 946.87 mb = 610.64 m = 2003.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 26 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 1015 20 125 1 -0.8 0.6 | 118 27 -24.2 12.9 1 1000 147 55 5 -4.1 -2.9 | 109 29 -27.5 9.5 2 982 305 55 10 -8.2 -5.7 | 102 32 -31.6 6.6 3 947 610 5 13 -1.1 -13.0 | 89 25 -24.6 -0.6 4 925 808 345 10 2.6 -9.7 | 97 21 -20.8 2.7 5 913 914 315 12 8.5 -8.5 | 104 15 -14.9 3.9 6 850 1523 285 32 30.9 -8.3 | 242 9 7.5 4.1 7 819 1829 270 34 34.0 -0.0 | 221 16 10.6 12.3 8 789 2134 265 37 36.9 3.2 | 221 21 13.4 15.6 9 700 3126 255 42 40.6 10.9 | 216 29 17.1 23.2 10 680 3353 255 41 39.6 10.6 | 215 28 16.2 22.9 11 605 4267 275 48 47.8 -4.2 | 252 26 24.4 8.2 12 518 5486 255 37 35.7 9.6 | 209 25 12.3 21.9 13 500 5770 260 49 48.3 8.5 | 230 32 24.8 20.8 14 479 6096 270 61 61.0 -0.0 | 252 40 37.6 12.3 15 400 7450 275 58 57.8 -5.1 | 258 35 34.4 7.3 16 391 7620 275 58 57.8 -5.1 | 258 35 34.4 7.3 17 300 9490 280 83 81.7 -14.4 | 272 58 58.3 -2.1 18 276 10058 280 84 82.7 -14.6 | 272 59 59.3 -2.2 19 250 10720 275 82 81.7 -7.1 | 265 58 58.3 5.2 20 240 10973 275 82 81.7 -7.1 | 265 58 58.3 5.2 21 208 11887 265 100 99.6 8.7 | 255 79 76.2 21.1 22 200 12150 265 94 93.6 8.2 | 254 73 70.2 20.5 23 150 13940 280 90 88.6 -15.6 | 273 65 65.2 -3.3 24 134 14630 280 80 78.8 -13.9 | 272 55 55.4 -1.6 25 125 15052 280 101 99.5 -17.5 | 274 76 76.0 -5.2 26 121 15240 280 101 99.5 -17.5 | 274 76 76.0 -5.2 27 113 15661 260 84 82.7 14.6 | 246 65 59.3 26.9 28 104 16154 255 76 73.4 19.7 | 237 59 50.0 32.0 29 100 16400 260 49 48.3 8.5 | 230 32 24.8 20.8 30 94 16764 260 49 48.3 8.5 | 230 32 24.8 20.8 31 70 18610 265 16 15.9 1.4 | 151 16 -7.5 13.7 32 50 20720 90 7 -7.0 0.0 | 112 33 -30.4 12.3 33 30 23960 75 35 -33.8 -9.1 | 93 57 -57.2 3.3 Wind Parameters Mean winds (0-6000m): 267.8 at 35.3 knts Storm direction: 297.8 at 26.5 knts Shear (0-3000m) pos: 0.0 neg: 7.2 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 99.0 deg Storm rel helicity (0-3000m) pos: 35.1 neg: -143.3 tot: -108.2 m^2/s^2 ave: -36.1 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 12.9 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 226.60 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 44 8 103 30| 0.0 12.8 12.8| 0.0-107.3-107.3 -214.6 -0.82| 17.1-14.0 1000 7 10 96 25| 0.0 8.5 8.5| 29.3-118.7 -89.4 -89.4 -0.29| 17.7 -5.2 1500 320 15 95 14| 0.0 11.3 11.3| 35.0-118.9 -83.9 -55.9 -0.04| 18.7 -0.7 2000 296 19 123 7| 0.0 9.4 9.4| 35.1-132.5 -97.4 -48.7 -0.09| 17.0 -1.6 2500 284 23 172 7| 0.0 8.2 8.2| 35.1-136.0-100.9 -40.4 -0.10| 14.6 -1.4 3000 276 26 194 10| 0.0 7.2 7.2| 35.1-143.3-108.2 -36.1 -0.10| 12.9 -1.4 4000 270 30 209 14| 1.5 5.4 6.9|119.9-149.4 -29.5 -7.4 0.04| 11.5 0.4 5000 270 33 219 16| 1.2 4.0 5.3|147.0-221.4 -74.4 -14.9 -0.04| 10.7 -0.4 6000 268 35 221 18| 2.7 3.3 6.0|313.4-259.4 54.1 9.0 0.08| 11.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251006.23.gif