UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100823.upa.cvt Date: 2300Z 8 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 8 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 1010 19 28.0 14.0 42 14.0 18.8 360 6 300.3 302.1 291.6 329.7 9.99 1 1006 54 28.6 11.6 35 17.0 17.8 344 8 301.2 302.8 290.7 326.6 8.55 2 1000 107 28.0 10.0 32 18.0 16.8 320 11 301.1 302.6 290.0 324.1 7.72 3 925 789 21.4 6.4 38 15.0 12.7 315 24 301.2 302.4 288.9 320.6 6.52 4 881 1209 17.8 5.8 45 12.0 10.9 315 28 301.7 302.9 289.2 321.3 6.57 5 850 1514 16.0 4.0 45 12.0 9.3 305 45 302.9 304.0 289.0 321.0 6.00 6 742 2653 8.2 0.2 57 8.0 4.0 283 41 306.4 307.4 289.5 322.5 5.23 7 700 3133 6.0 -2.0 56 8.0 2.0 300 48 309.1 310.0 289.9 323.8 4.72 8 699 3145 6.0 -2.0 56 8.0 2.0 300 48 309.3 310.1 290.0 324.0 4.73 9 666 3538 2.6 -3.4 65 6.0 -0.3 307 52 309.7 310.6 289.9 323.7 4.47 10 656 3660 1.8 -8.2 47 10.0 -2.5 310 53 310.2 310.8 288.8 320.1 3.14 11 616 4164 -2.3 -4.1 87 1.8 -3.1 306 49 311.1 312.0 290.4 325.5 4.58 12 568 4802 -6.9 -7.6 95 0.7 -7.2 297 43 313.0 313.7 290.3 325.1 3.80 13 539 5210 -8.1 -10.2 85 2.1 -8.9 292 46 316.3 316.9 290.8 326.9 3.27 14 500 5790 -11.5 -12.4 93 0.9 -11.8 285 50 319.0 319.6 291.3 328.7 2.95 15 404 7397 -21.3 -26.0 66 4.7 -22.4 294 55 326.4 326.6 291.8 330.4 1.14 16 400 7470 -21.9 -26.0 69 4.1 -22.8 295 55 326.5 326.8 291.9 330.6 1.15 17 300 9520 -39.1 -40.9 83 1.8 -39.3 290 71 330.3 330.3 292.2 331.6 0.36 18 266 10331 -46.3 -48.0 83 1.7 -46.4 283 80 331.3 331.3 292.3 332.0 0.19 19 250 10740 -49.5 -51.1 83 1.6 -49.6 275 90 332.5 332.5 292.5 333.0 0.14 20 248 10793 -50.1 -51.5 85 1.4 -50.1 274 92 332.3 332.4 292.5 332.9 0.13 21 224 11451 -54.1 -56.6 74 2.5 -54.2 267 118 336.0 336.0 293.4 336.4 0.08 22 218 11625 -54.6 -57.3 73 2.6 -54.7 265 125 337.8 337.8 293.9 338.1 0.08 23 215 11713 -54.9 -57.6 72 2.7 -55.0 265 125 338.7 338.8 294.1 339.1 0.07 24 214 11743 -55.1 -59.4 59 4.3 -55.2 265 125 338.9 338.9 294.1 339.1 0.06 25 213 11773 -52.9 -76.9 4 24.0 -53.2 265 125 342.8 342.8 295.0 342.8 0.01 26 211 11834 -51.9 -72.9 6 21.0 -52.2 265 125 345.3 345.3 295.6 345.3 0.01 27 200 12180 -53.1 -73.1 7 20.0 -53.4 270 105 348.7 348.7 296.4 348.7 0.01 28 150 13990 -62.3 -80.3 7 18.0 -62.4 270 91 362.8 362.8 299.2 362.8 0.00 29 137 14546 -65.9 -81.9 9 16.0 -66.0 280 75 365.9 365.9 299.8 365.9 0.00 30 100 16460 -65.7 -85.7 5 20.0 -65.8 290 22 400.8 400.8 305.3 400.8 0.00 31 70 18630 -63.7 -85.7 3 22.0 -64.0 325 21 448.1 448.1 310.7 448.1 0.00 32 50 20730 -57.3 -83.3 2 26.0 -58.1 105 12 508.4 508.5 315.5 508.5 0.01 33 30 23970 -54.3 -82.3 2 28.0 -56.0 70 32 596.6 596.6 320.5 596.7 0.02 34 20 26580 -53.3 -80.3 2 27.0 -55.9 85 35 673.0 673.0 323.5 673.3 0.03 TRP 137 14546 -65.9 -81.9 9 16.0 -66.0 280 75 365.9 365.9 299.8 365.9 0.00 WND 218 11625 -54.6 -57.3 73 2.6 -54.7 265 125 337.8 337.8 293.9 338.1 0.08 Sounding variables and indices 1000-500 mb thick: 5683.00 m Freezing level: 638.44 mb = 3881.16 m = 12733.30 ft Wetbulb zero: 670.43 mb = 3484.20 m = 11430.96 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 62.31 % Est. max temperature: 30.22 C = 86.40 F Sfc-Lift cond lev (LCL): 823.26 mb = 1781.96 m = 5846.26 ft T: 14.17 C 700-500 lapse rate: 6.59 C/km ThetaE index: 9.02 C Layer 1006.0- 881.0 mb Conv cond level (CCL): 671.09 mb = 3476.12 m = 11404.44 ft Mean mixing ratio: 7.17 g/kg Conv temperature: 37.40 C = 99.32 F Cap Strength: 4.63 C Lifted Index: 3.54 C Risk: None Lifted Index @300 mb: 6.11 C Lifted Index @700 mb: 4.54 C Showalter Index: 4.36 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 15.50 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 188.00 Risk: None Energy Index: 1.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.52 J/kg Max Up Vert Vel: 1.02 m/s Conv Inhibition (B-): 35286.38 J/kg Cap Strength: 4.47 C Lift Cond Lev (LCL): 755.69 mb = 2499.96 m = 8201.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 31 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 1010 19 360 6 -0.0 -6.0 | 141 26 -16.1 20.2 1 1000 107 320 11 7.1 -8.4 | 153 20 -9.1 17.8 2 978 305 310 12 9.2 -7.7 | 159 20 -6.9 18.5 3 925 789 315 24 17.0 -17.0 | 185 9 0.8 9.2 4 912 914 310 24 18.4 -15.4 | 192 11 2.2 10.8 5 880 1219 315 28 19.8 -19.8 | 210 7 3.7 6.4 6 850 1514 305 45 36.9 -25.8 | 269 21 20.7 0.4 7 819 1829 300 52 45.0 -26.0 | 270 29 28.9 0.2 8 789 2134 290 43 40.4 -14.7 | 245 27 24.3 11.5 9 761 2438 275 38 37.9 -3.3 | 223 32 21.7 22.9 10 700 3133 300 48 41.6 -24.0 | 265 26 25.4 2.2 11 655 3658 310 53 40.6 -34.1 | 288 26 24.5 -7.9 12 606 4267 305 48 39.3 -27.5 | 273 23 23.2 -1.3 13 583 4572 300 42 36.4 -21.0 | 256 21 20.2 5.2 14 500 5790 285 50 48.3 -12.9 | 248 35 32.2 13.3 15 480 6096 285 50 48.3 -12.9 | 248 35 32.2 13.3 16 400 7470 295 55 49.8 -23.2 | 265 34 33.7 3.0 17 360 8230 295 58 52.6 -24.5 | 267 36 36.4 1.7 18 300 9520 290 71 66.7 -24.3 | 268 51 50.6 1.9 19 253 10668 280 84 82.7 -14.6 | 260 68 66.6 11.6 20 250 10740 275 90 89.7 -7.8 | 256 76 73.5 18.4 21 218 11625 265 125 124.5 10.9 | 251 115 108.4 37.1 22 209 11887 265 125 124.5 10.9 | 251 115 108.4 37.1 23 200 12180 270 105 105.0 -0.0 | 254 93 88.9 26.2 24 190 12497 275 104 103.6 -9.1 | 259 89 87.5 17.1 25 173 13106 275 114 113.6 -9.9 | 261 99 97.4 16.3 26 150 13990 270 91 91.0 -0.0 | 251 79 74.9 26.2 27 149 14021 270 104 104.0 -0.0 | 253 92 87.9 26.2 28 137 14546 280 75 73.9 -13.0 | 257 59 57.7 13.2 29 116 15545 285 62 59.9 -16.0 | 257 45 43.7 10.2 30 105 16154 265 37 36.9 3.2 | 215 36 20.7 29.4 31 100 16460 290 22 20.7 -7.5 | 194 19 4.5 18.7 32 95 16764 290 23 21.6 -7.9 | 197 19 5.5 18.3 33 70 18630 325 21 12.0 -17.2 | 156 10 -4.1 9.0 34 50 20730 105 12 -11.6 3.1 | 137 40 -27.7 29.3 35 30 23970 70 32 -30.1 -10.9 | 108 49 -46.2 15.3 36 20 26580 85 35 -34.9 -3.1 | 114 56 -51.0 23.2 Wind Parameters Mean winds (0-6000m): 298.4 at 41.0 knts Storm direction: 328.4 at 30.8 knts Shear (0-3000m) pos: 2.6 neg: 6.7 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 115.5 deg Storm rel helicity (0-3000m) pos: 225.0 neg: -165.9 tot: 59.1 m^2/s^2 ave: 19.7 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 16.1 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 114.88 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 ------------------------------------------------------------------------------- 500 315 12 157 19| 0.0 14.4 14.4| 49.8 0.0 49.8 99.6 0.62| 15.3 9.5 1000 314 17 166 15| 0.0 11.2 11.2| 67.1 0.0 67.1 67.1 0.61| 12.7 7.7 1500 312 23 183 11| 0.0 14.4 14.4|102.0 0.0 102.0 68.0 0.60| 15.9 9.5 2000 307 29 220 11| 0.0 11.4 11.4|103.9 -56.6 47.2 23.6 0.33| 15.9 5.3 2500 301 32 228 15| 0.0 8.0 8.0|116.1-165.9 -49.7 -19.9 0.09| 16.2 1.5 3000 298 34 232 17| 2.6 6.7 9.2|225.0-165.9 59.1 19.7 0.23| 16.1 3.8 4000 301 38 248 18| 3.4 4.8 8.2|314.0-185.8 128.2 32.1 0.29| 14.2 4.1 5000 301 40 252 19| 2.7 4.2 6.9|314.0-247.6 66.4 13.3 0.17| 12.9 2.2 6000 298 41 251 21| 2.2 4.3 6.5|314.0-270.9 43.2 7.2 0.14| 11.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251008.23.gif