UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121023.upa.cvt Date: 2300Z 10 DEC 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 10 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 1017 22 22.0 17.5 76 4.5 19.0 205 3 293.7 296.0 291.5 329.3 12.46 1 1000 167 20.2 17.0 82 3.2 18.1 185 18 293.4 295.5 291.2 328.3 12.28 2 953 580 16.2 16.1 99 0.1 16.1 172 20 293.4 295.5 291.2 328.0 12.16 3 940 697 15.6 15.6 100 0.0 15.6 167 21 293.9 296.0 291.2 328.0 11.94 4 925 834 15.0 15.0 100 0.0 15.0 160 22 294.6 296.7 291.2 328.1 11.67 5 850 1548 11.6 11.2 97 0.4 11.4 150 16 298.3 300.1 290.9 327.1 9.88 6 775 2317 7.8 5.2 84 2.6 6.3 225 19 302.2 303.5 289.9 323.6 7.17 7 736 2743 7.6 -1.4 53 9.0 3.1 228 19 306.5 307.3 289.0 320.9 4.69 8 735 2754 7.6 -1.4 53 9.0 3.1 227 19 306.6 307.5 289.0 321.1 4.70 9 700 3155 4.4 -2.6 60 7.0 1.0 235 17 307.4 308.2 289.2 321.3 4.51 10 665 3569 0.8 -1.6 84 2.4 -0.4 247 19 307.9 308.8 289.9 323.7 5.12 11 640 3876 -0.7 -8.7 55 8.0 -4.1 250 23 309.5 310.1 288.5 319.3 3.09 12 613 4219 -2.9 -7.9 68 5.0 -5.0 262 26 310.9 311.5 289.3 321.8 3.44 13 586 4574 -4.3 -19.3 30 15.0 -9.1 279 24 313.3 313.5 288.1 318.0 1.42 14 575 4723 -5.5 -23.5 23 18.0 -10.6 280 23 313.5 313.7 287.8 316.9 1.00 15 552 5042 -8.3 -15.3 57 7.0 -10.7 280 21 313.9 314.3 289.0 320.8 2.11 16 540 5212 -9.5 -19.5 44 10.0 -12.5 280 20 314.5 314.7 288.6 319.5 1.51 17 533 5312 -10.7 -14.7 72 4.0 -12.1 280 19 314.2 314.6 289.3 321.7 2.29 18 530 5356 -10.9 -17.9 56 7.0 -13.1 280 19 314.5 314.8 288.8 320.3 1.76 19 517 5546 -12.7 -14.6 86 1.9 -13.3 277 18 314.5 315.0 289.5 322.3 2.38 20 500 5800 -14.3 -16.3 85 2.0 -14.9 260 17 315.6 316.0 289.6 322.7 2.14 21 498 5831 -14.5 -16.2 87 1.7 -15.0 259 17 315.7 316.1 289.6 322.9 2.17 22 488 5985 -15.3 -17.8 81 2.5 -16.1 257 15 316.6 316.9 289.7 323.0 1.93 23 480 6110 -15.7 -24.7 46 9.0 -17.9 255 14 317.6 317.8 289.1 321.3 1.08 24 474 6205 -16.1 -20.5 69 4.4 -17.3 253 14 318.2 318.5 289.8 323.6 1.58 25 469 6285 -15.9 -33.9 20 18.0 -19.3 252 15 319.4 319.5 289.1 321.1 0.46 26 462 6399 -16.1 -43.1 8 27.0 -20.0 250 15 320.6 320.6 289.1 321.3 0.18 27 420 7111 -21.7 -48.7 7 27.0 -24.6 269 18 322.3 322.3 289.6 322.7 0.11 28 400 7470 -24.7 -47.7 10 23.0 -27.1 275 22 322.9 322.9 289.8 323.4 0.13 29 388 7690 -26.9 -46.9 13 20.0 -28.9 273 25 322.8 322.9 289.8 323.4 0.14 30 365 8127 -30.5 -38.5 45 8.0 -31.4 268 32 323.7 323.8 290.3 325.1 0.38 31 364 8147 -30.7 -38.7 45 8.0 -31.7 268 33 323.7 323.8 290.3 325.1 0.37 32 308 9310 -39.3 -51.3 27 12.0 -40.0 264 53 327.5 327.5 291.1 327.9 0.11 33 300 9490 -40.7 -49.7 37 9.0 -41.2 265 56 328.0 328.0 291.3 328.5 0.14 34 273 10123 -46.1 -50.9 58 4.8 -46.3 273 60 329.1 329.2 291.6 329.7 0.13 35 258 10495 -49.3 -54.3 56 5.0 -49.5 277 63 329.8 329.8 291.7 330.2 0.09 36 250 10700 -50.3 -57.3 43 7.0 -50.5 280 64 331.3 331.3 292.2 331.6 0.07 37 236 11073 -53.1 -60.1 42 7.0 -53.3 280 65 332.6 332.6 292.4 332.8 0.05 38 234 11128 -53.1 -61.1 37 8.0 -53.3 280 65 333.4 333.4 292.7 333.5 0.04 39 232 11183 -52.3 -66.3 17 14.0 -52.6 280 66 335.4 335.4 293.2 335.5 0.02 40 203 12036 -56.7 -70.7 16 14.0 -56.9 284 56 341.5 341.5 294.7 341.6 0.01 41 200 12130 -57.3 -71.3 15 14.0 -57.5 285 55 342.0 342.0 294.8 342.1 0.01 42 181 12758 -60.9 -73.9 16 13.0 -61.0 280 74 346.1 346.1 295.8 346.1 0.01 43 180 12793 -60.9 -74.2 16 13.3 -61.0 275 75 346.6 346.6 295.9 346.6 0.01 44 150 13930 -60.9 -82.9 4 22.0 -61.1 265 43 365.2 365.2 299.7 365.2 0.00 45 137 14494 -59.9 -84.9 2 25.0 -60.1 264 41 376.5 376.5 301.7 376.5 0.00 46 108 15955 -66.7 -86.7 4 20.0 -66.8 297 41 390.2 390.2 303.8 390.2 0.00 47 100 16420 -66.5 -87.5 4 21.0 -66.6 290 44 399.2 399.2 305.1 399.2 0.00 48 94 16794 -67.7 -87.7 4 20.0 -67.8 290 43 404.0 404.0 305.7 404.0 0.00 49 84 17477 -64.1 -88.1 2 24.0 -64.3 298 32 424.5 424.5 308.2 424.5 0.00 50 72 18418 -65.7 -89.7 2 24.0 -65.9 308 16 440.3 440.3 309.9 440.3 0.00 51 70 18590 -63.5 -89.5 2 26.0 -63.8 310 13 448.5 448.5 310.7 448.5 0.00 52 52 20401 -65.3 -90.3 2 25.0 -65.6 56 12 484.1 484.1 313.8 484.2 0.00 53 50 20640 -63.5 -90.5 1 27.0 -63.8 70 12 493.8 493.8 314.5 493.9 0.00 54 35 22853 -59.1 -89.1 1 30.0 -60.0 558.4 558.4 318.6 558.4 0.00 TRP 181 12758 -60.9 -73.9 16 13.0 -61.0 280 74 346.1 346.1 295.8 346.1 0.01 WND 180 12793 -60.9 -74.2 16 13.3 -61.0 275 75 346.6 346.6 295.9 346.6 0.01 Sounding variables and indices 1000-500 mb thick: 5633.00 m Freezing level: 651.67 mb = 3732.87 m = 12246.81 ft Wetbulb zero: 675.14 mb = 3447.10 m = 11309.24 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 73.12 % Est. max temperature: 25.73 C = 78.31 F Sfc-Lift cond lev (LCL): 951.97 mb = 589.51 m = 1934.07 ft T: 16.15 C 700-500 lapse rate: 7.07 C/km ThetaE index: 7.16 C Layer 850.0- 735.0 mb Conv cond level (CCL): 947.52 mb = 629.47 m = 2065.17 ft Mean mixing ratio: 12.10 g/kg Conv temperature: 21.86 C = 71.35 F Cap Strength: 1.84 C Lifted Index: -2.19 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.71 C Lifted Index @700 mb: 0.75 C Showalter Index: -1.66 C Risk: Thunderstorms probable Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 25.50 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 373.86 Risk: Showers and thunderstorms possible Energy Index: -0.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 175.68 J/kg Max Up Vert Vel: 18.74 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.78 C Lift Cond Lev (LCL): 946.38 mb = 639.70 m = 2098.72 ft Lev Free Conv (LFC): 941.38 mb = 684.81 m = 2246.74 ft Equ Level (EL): 771.38 mb = 2355.41 m = 7727.64 ft B at Equ Level: 12.75 J/kg Max Parcel Lev (MPL): 731.38 mb = 2795.02 m = 9169.91 ft Wind level data Storm motion: 262 at 14 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 1017 22 205 3 1.3 2.7 | 93 13 -13.0 0.6 1 1000 167 185 18 1.6 17.9 | 141 20 -12.7 15.8 2 984 305 185 18 1.6 17.9 | 141 20 -12.7 15.8 3 925 834 160 22 -7.5 20.7 | 130 29 -21.8 18.6 4 916 914 155 21 -8.9 19.0 | 126 29 -23.2 16.9 5 884 1219 145 20 -11.5 16.4 | 119 29 -25.8 14.3 6 852 1524 155 16 -6.8 14.5 | 120 24 -21.1 12.4 7 850 1548 150 16 -8.0 13.9 | 118 25 -22.3 11.8 8 822 1829 140 13 -8.4 10.0 | 109 24 -22.7 7.9 9 792 2134 210 16 8.0 13.9 | 152 13 -6.3 11.8 10 763 2438 235 21 17.2 12.0 | 196 10 2.9 9.9 11 709 3048 220 17 10.9 13.0 | 163 11 -3.4 10.9 12 700 3155 235 17 13.9 9.8 | 177 8 -0.4 7.7 13 657 3658 250 20 18.8 6.8 | 223 7 4.5 4.7 14 632 3962 250 24 22.6 8.2 | 233 10 8.2 6.1 15 608 4267 265 26 25.9 2.3 | 269 12 11.6 0.2 16 585 4572 280 24 23.6 -4.2 | 304 11 9.3 -6.3 17 520 5486 280 18 17.7 -3.1 | 327 6 3.4 -5.2 18 500 5800 260 17 16.7 3.0 | 251 3 2.4 0.9 19 481 6096 255 14 13.5 3.6 | 153 2 -0.8 1.5 20 461 6401 250 15 14.1 5.1 | 176 3 -0.2 3.0 21 408 7315 275 19 18.9 -1.7 | 309 6 4.6 -3.8 22 400 7470 275 22 21.9 -1.9 | 298 9 7.6 -4.0 23 329 8839 260 44 43.3 7.6 | 259 30 29.0 5.5 24 300 9490 265 56 55.8 4.9 | 266 42 41.5 2.8 25 250 10700 280 64 63.0 -11.1 | 285 50 48.7 -13.2 26 228 11278 280 66 65.0 -11.5 | 285 52 50.7 -13.6 27 200 12130 285 55 53.1 -14.2 | 293 42 38.8 -16.3 28 198 12192 280 53 52.2 -9.2 | 287 40 37.9 -11.3 29 189 12497 285 60 58.0 -15.5 | 292 47 43.7 -17.6 30 181 12758 280 74 72.9 -12.8 | 284 60 58.6 -15.0 31 180 12793 275 75 74.7 -6.5 | 278 61 60.4 -8.6 32 171 13106 275 75 74.7 -6.5 | 278 61 60.4 -8.6 33 155 13716 265 49 48.8 4.3 | 266 35 34.5 2.2 34 150 13930 265 43 42.8 3.7 | 267 29 28.5 1.6 35 141 14326 260 45 44.3 7.8 | 259 31 30.0 5.7 36 121 15240 280 25 24.6 -4.3 | 302 12 10.3 -6.4 37 115 15545 310 28 21.4 -18.0 | 340 21 7.1 -20.1 38 104 16154 290 48 45.1 -16.4 | 301 36 30.8 -18.5 39 100 16420 290 44 41.3 -15.0 | 302 32 27.0 -17.1 40 95 16764 290 44 41.3 -15.0 | 302 32 27.0 -17.1 41 70 18590 310 13 10.0 -8.4 | 23 11 -4.3 -10.5 42 50 20640 70 12 -11.3 -4.1 | 76 26 -25.6 -6.2 Wind Parameters Mean winds (0-6000m): 231.6 at 19.3 knts Storm direction: 261.6 at 14.5 knts Shear (0-3000m) pos: 4.6 neg: 3.9 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 71.4 deg Storm rel helicity (0-3000m) pos: 151.0 neg: -121.4 tot: 29.6 m^2/s^2 ave: 9.9 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 12.6 stream: 2.7 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 5.97 Bulk Shear: 29.41 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 ------------------------------------------------------------------------------- 500 183 16 136 19| 0.0 17.6 17.6| 48.0 -8.7 39.3 78.6 0.58| 20.0 11.7 1000 171 19 133 24| 0.0 9.8 9.8| 48.0 -56.7 -8.7 -8.7 0.17| 14.7 2.4 1500 163 19 129 25| 1.6 6.5 8.1| 53.2 -74.7 -21.6 -14.4 0.09| 12.3 1.1 2000 161 18 126 25| 2.9 4.9 7.8|104.8-105.8 -1.0 -0.5 0.15| 13.3 1.9 2500 173 18 133 23| 5.5 3.9 9.4|151.0-106.8 44.2 17.7 0.30| 14.0 4.2 3000 183 18 140 21| 4.6 3.9 8.5|151.0-121.4 29.6 9.9 0.21| 12.6 2.7 4000 201 18 153 17| 5.2 2.9 8.1|173.0-121.4 51.5 12.9 0.29| 11.3 3.3 5000 221 20 173 13| 4.3 2.4 6.7|211.8-121.4 90.4 18.1 0.38| 10.6 4.1 6000 232 19 185 10| 3.6 2.8 6.4|215.0-126.5 88.5 14.7 0.30| 9.8 3.0 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251210.23.gif