UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 12 DEC 25 Station: CYJT WMO ident: 71815 Latitude: 48.57 Longitude: -58.57 Elevation: 57.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -126 SFC 977 57 -3.7 -4.3 96 0.6 -3.9 250 13 271.2 271.7 270.5 279.0 2.84 2 951 271 -3.9 -10.9 58 7.0 -6.0 246 34 273.1 273.4 269.9 278.0 1.75 3 925 491 -5.9 -10.9 68 5.0 -7.4 240 37 273.3 273.6 270.1 278.3 1.80 4 856 1091 -11.7 -11.7 100 0.0 -11.7 236 33 273.3 273.6 270.2 278.4 1.82 5 850 1145 -12.1 -12.1 100 0.0 -12.1 235 33 273.5 273.8 270.2 278.4 1.78 6 838 1253 -13.1 -13.9 94 0.8 -13.3 234 32 273.5 273.8 269.9 277.9 1.56 7 700 2602 -21.3 -22.0 94 0.7 -21.4 200 30 278.9 279.1 272.1 281.7 0.94 8 698 2623 -21.5 -22.2 94 0.7 -21.6 201 30 278.9 279.1 272.1 281.6 0.92 9 688 2729 -22.3 -22.8 96 0.5 -22.4 204 28 279.2 279.3 272.2 281.8 0.89 10 640 3256 -26.7 -27.3 95 0.6 -26.8 208 28 280.0 280.1 272.3 281.9 0.64 11 633 3335 -27.3 -30.4 75 3.1 -27.6 208 28 280.2 280.3 272.1 281.7 0.48 12 610 3601 -29.3 -31.4 82 2.1 -29.5 206 27 280.9 281.0 272.5 282.3 0.45 13 607 3636 -29.9 -35.9 56 6.0 -30.4 205 27 280.6 280.6 272.0 281.5 0.29 14 602 3695 -30.5 -38.5 45 8.0 -31.1 206 28 280.6 280.6 271.9 281.3 0.23 15 598 3742 -30.5 -45.5 22 15.0 -31.4 208 30 281.1 281.1 272.0 281.5 0.11 16 534 4541 -34.3 -52.3 14 18.0 -35.1 218 56 285.8 285.8 274.5 286.0 0.06 17 500 5000 -35.5 -53.5 14 18.0 -36.2 210 77 289.8 289.8 276.6 289.9 0.05 18 471 5414 -36.9 -56.9 11 20.0 -37.7 210 83 293.0 293.0 278.2 293.1 0.04 19 466 5488 -36.9 -59.9 7 23.0 -37.7 210 84 293.9 293.9 278.6 294.0 0.03 20 421 6189 -38.2 -59.9 8 21.7 -39.0 205 89 300.9 300.9 281.7 301.0 0.03 21 400 6540 -38.9 -59.9 9 21.0 -39.6 210 84 304.4 304.4 283.2 304.5 0.03 22 375 6981 -40.1 -61.1 9 21.0 -40.8 208 83 308.5 308.5 284.8 308.6 0.03 23 368 7109 -39.1 -60.1 9 21.0 -39.9 207 82 311.5 311.5 285.9 311.6 0.03 24 317 8120 -43.5 -62.5 11 19.0 -44.0 208 79 319.0 319.0 288.5 319.1 0.03 25 300 8490 -43.5 -65.5 7 22.0 -44.1 210 78 324.0 324.1 290.0 324.1 0.02 26 250 9720 -43.1 -66.1 6 23.0 -43.9 215 65 342.0 342.0 294.8 342.1 0.02 27 247 9801 -42.9 -65.9 6 23.0 -43.7 215 64 343.5 343.5 295.2 343.6 0.02 28 229 10308 -44.7 -67.7 6 23.0 -45.4 213 63 348.2 348.2 296.3 348.3 0.02 29 223 10485 -43.7 -69.7 4 26.0 -44.5 212 66 352.4 352.4 297.2 352.5 0.01 30 200 11210 -46.9 -71.9 4 25.0 -47.6 205 72 358.5 358.5 298.4 358.6 0.01 31 176 12050 -50.7 -74.7 4 24.0 -51.2 215 80 365.6 365.6 299.8 365.6 0.01 32 160 12670 -51.5 -75.5 4 24.0 -52.0 223 87 374.4 374.4 301.3 374.4 0.01 33 150 13090 -50.1 -75.1 4 25.0 -50.7 230 80 383.7 383.7 302.8 383.8 0.01 34 143 13403 -49.9 -74.9 4 25.0 -50.5 228 74 389.4 389.4 303.7 389.4 0.01 35 119 14591 -55.1 -80.1 3 25.0 -55.5 219 61 400.8 400.8 305.3 400.8 0.01 36 116 14755 -53.9 -79.9 3 26.0 -54.4 218 64 406.0 406.0 306.0 406.0 0.01 37 102 15575 -57.5 -82.5 3 25.0 -57.9 216 78 414.3 414.3 307.0 414.3 0.00 38 100 15700 -57.3 -82.3 3 25.0 -57.7 220 70 417.0 417.0 307.4 417.0 0.00 39 89 16434 -57.9 -83.9 2 26.0 -58.3 230 82 429.9 430.0 308.9 430.0 0.00 40 81 17028 -56.1 -84.1 2 28.0 -56.7 239 70 445.4 445.4 310.4 445.4 0.00 41 70 17950 -58.1 -85.1 2 27.0 -58.6 215 46 460.1 460.1 311.8 460.1 0.00 42 58 19125 -61.1 -87.1 2 26.0 -61.6 230 70 478.7 478.7 313.4 478.8 0.00 43 56 19344 -58.5 -86.5 2 28.0 -59.1 235 65 489.5 489.5 314.2 489.5 0.00 44 50 20050 -62.1 -88.1 2 26.0 -62.6 235 64 497.1 497.1 314.8 497.2 0.00 45 44 20835 -65.5 -89.5 2 24.0 -65.8 248 51 507.3 507.3 315.5 507.4 0.00 46 30 23150 -68.3 -91.3 2 23.0 -68.6 235 48 558.4 558.4 318.6 558.5 0.00 47 27 23781 -69.1 -92.1 2 23.0 -69.4 225 47 573.3 573.3 319.3 573.3 0.00 48 20 25600 -63.7 -90.7 1 27.0 -64.6 245 61 641.2 641.2 322.3 641.2 0.01 49 19 25915 -63.3 -90.3 1 27.0 -64.3 242 65 651.9 651.9 322.7 651.9 0.01 50 15 27360 -65.1 -91.1 2 26.0 -66.0 245 61 691.5 691.5 324.1 691.6 0.01 51 12 28740 -58.5 -88.5 1 30.0 -60.8 251 75 760.5 760.5 326.2 760.6 0.01 52 10 29880 -60.7 -88.7 1 28.0 -62.9 250 65 793.0 793.0 327.1 793.1 0.01 53 8.9 30600 -63.7 -90.7 1 27.0 -65.4 808.3 808.3 327.4 808.4 0.01 54 8.1 31183 -60.1 -89.1 1 29.0 -62.8 844.6 844.6 328.2 844.8 0.02 55 6.5 32557 -59.9 -89.9 1 30.0 -63.1 900.3 900.3 329.4 900.5 0.02 56 4.0 35669 -48.7 -85.7 1 37.0 -58.4 1088.8 1088.8 332.5 1089.5 0.06 TRP 471 5414 -36.9 -56.9 11 20.0 -37.7 210 83 293.0 293.0 278.2 293.1 0.04 WND 421 6189 -38.2 -59.9 8 21.7 -39.0 205 89 300.9 300.9 281.7 301.0 0.03 Sounding variables and indices 1000-500 mb thick: 5126.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 68.10 % Est. max temperature: -1.03 C = 30.14 F Sfc-Lift cond lev (LCL): 967.72 mb = 132.92 m = 436.08 ft T: -3.77 C 700-500 lapse rate: 5.92 C/km ThetaE index: 0.92 C Layer 951.0- 925.0 mb Conv cond level (CCL): 864.76 mb = 1012.36 m = 3321.34 ft Mean mixing ratio: 1.92 g/kg Conv temperature: -1.63 C = 29.07 F Cap Strength: 6.75 C Lifted Index: 9.71 C Risk: None Lifted Index @300 mb: 32.42 C Lifted Index @700 mb: 2.59 C Showalter Index: 9.66 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 23.40 C K Index: 10.60 Risk: None Sweat Index: 143.00 Risk: None Energy Index: 2.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.41 J/kg Max Up Vert Vel: 3.58 m/s Conv Inhibition (B-): 7.94 J/kg Cap Strength: 8.93 C Lift Cond Lev (LCL): 868.99 mb = 974.58 m = 3197.39 ft Lev Free Conv (LFC): 843.99 mb = 1199.13 m = 3934.12 ft Equ Level (EL): 823.99 mb = 1379.83 m = 4526.93 ft B at Equ Level: 6.02 J/kg Max Parcel Lev (MPL): 783.99 mb = 1752.76 m = 5750.46 ft Wind level data Storm motion: 247 at 34 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 ---------------------------------------------------------- 0 977 57 250 13 12.2 4.4 | 65 21 -18.8 -8.6 1 947 305 245 37 33.5 15.6 | 225 4 2.5 2.6 2 925 491 240 37 32.0 18.5 | 191 6 1.1 5.4 3 911 610 240 37 32.0 18.5 | 191 6 1.1 5.4 4 876 914 240 33 28.6 16.5 | 145 4 -2.4 3.4 5 850 1145 235 33 27.0 18.9 | 146 7 -4.0 5.9 6 842 1219 235 32 26.2 18.4 | 138 7 -4.8 5.3 7 776 1829 225 36 25.5 25.5 | 156 14 -5.5 12.4 8 745 2134 225 26 18.4 18.4 | 113 14 -12.6 5.3 9 715 2438 205 25 10.6 22.7 | 115 23 -20.4 9.6 10 700 2602 200 30 10.3 28.2 | 126 26 -20.7 15.1 11 686 2743 205 28 11.8 25.4 | 123 23 -19.2 12.3 12 658 3048 210 28 14.0 24.2 | 123 20 -17.0 11.2 13 604 3658 205 27 11.4 24.5 | 120 23 -19.6 11.4 14 578 3962 220 41 26.4 31.4 | 166 19 -4.6 18.3 15 554 4267 220 45 28.9 34.5 | 174 21 -2.1 21.4 16 509 4877 215 71 40.7 58.2 | 192 46 9.7 45.1 17 500 5000 210 77 38.5 66.7 | 188 54 7.5 53.6 18 471 5414 210 83 41.5 71.9 | 190 60 10.5 58.8 19 446 5791 210 87 43.5 75.3 | 191 64 12.5 62.3 20 427 6096 205 82 34.7 74.3 | 183 61 3.7 61.2 21 421 6189 205 89 37.6 80.7 | 186 68 6.6 67.6 22 408 6401 205 89 37.6 80.7 | 186 68 6.6 67.6 23 400 6540 210 84 42.0 72.7 | 190 61 11.0 59.7 24 341 7620 205 81 34.2 73.4 | 183 60 3.2 60.3 25 300 8490 210 78 39.0 67.5 | 188 55 8.0 54.5 26 272 9144 210 78 39.0 67.5 | 188 55 8.0 54.5 27 260 9449 215 77 44.2 63.1 | 195 52 13.2 50.0 28 250 9720 215 65 37.3 53.2 | 189 41 6.3 40.2 29 238 10058 215 60 34.4 49.1 | 185 36 3.4 36.1 30 217 10668 210 68 34.0 58.9 | 184 46 3.0 45.8 31 207 10973 205 61 25.8 55.3 | 173 43 -5.2 42.2 32 200 11210 205 72 30.4 65.3 | 179 52 -0.6 52.2 33 157 12802 225 88 62.2 62.2 | 212 58 31.2 49.1 34 150 13090 230 80 61.3 51.4 | 218 49 30.3 38.3 35 124 14326 220 55 35.4 42.1 | 189 29 4.4 29.1 36 107 15240 215 75 43.0 61.4 | 194 50 12.0 48.4 37 102 15545 215 80 45.9 65.5 | 196 55 14.9 52.5 38 100 15700 220 70 45.0 53.6 | 199 43 14.0 40.5 39 98 15850 220 70 45.0 53.6 | 199 43 14.0 40.5 40 89 16459 230 83 63.6 53.4 | 219 52 32.6 40.3 41 80 17069 240 69 59.8 34.5 | 233 36 28.8 21.4 42 77 17374 230 44 33.7 28.3 | 190 15 2.7 15.2 43 70 17950 215 46 26.4 37.7 | 169 25 -4.6 24.6 44 70 17983 210 45 22.5 39.0 | 162 27 -8.5 25.9 45 66 18288 220 46 29.6 35.2 | 176 22 -1.4 22.2 46 60 18898 225 74 52.3 52.3 | 209 45 21.3 39.2 47 52 19812 245 56 50.8 23.7 | 242 22 19.8 10.6 48 50 20050 235 64 52.4 36.7 | 222 32 21.4 23.6 49 47 20422 235 62 50.8 35.6 | 221 30 19.8 22.5 50 43 21031 255 46 44.4 11.9 | 275 13 13.4 -1.2 51 40 21336 245 43 39.0 18.2 | 237 9 8.0 5.1 52 38 21641 240 45 39.0 22.5 | 220 12 8.0 9.4 53 37 21946 250 71 66.7 24.3 | 253 37 35.7 11.2 54 33 22555 235 67 54.9 38.4 | 223 35 23.9 25.4 55 30 23150 235 48 39.3 27.5 | 210 17 8.3 14.5 56 30 23165 245 59 53.5 24.9 | 242 25 22.5 11.9 57 27 23774 225 47 33.2 33.2 | 186 20 2.2 20.2 58 26 24079 215 52 29.8 42.6 | 178 30 -1.2 29.5 59 24 24384 235 67 54.9 38.4 | 223 35 23.9 25.4 60 20 25600 245 61 55.3 25.8 | 242 27 24.3 12.7 61 20 25603 240 68 58.9 34.0 | 233 35 27.9 20.9 62 17 26518 245 58 52.6 24.5 | 242 24 21.6 11.4 63 16 26822 245 76 68.9 32.1 | 243 42 37.9 19.0 64 15 27432 245 60 54.4 25.4 | 242 26 23.4 12.3 65 14 27737 250 76 71.4 26.0 | 252 42 40.4 12.9 66 13 28042 250 61 57.3 20.9 | 254 27 26.3 7.8 67 13 28346 255 85 82.1 22.0 | 260 52 51.1 8.9 68 11 29261 245 63 57.1 26.6 | 243 29 26.1 13.5 69 11 29566 240 69 59.8 34.5 | 233 36 28.8 21.4 70 10 29880 250 65 61.1 22.2 | 253 31 30.1 9.2 Wind Parameters Mean winds (0-6000m): 217.1 at 44.8 knts Storm direction: 247.1 at 33.6 knts Shear (0-3000m) pos: 0.7 neg: 3.8 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 58.0 deg Storm rel helicity (0-3000m) pos: 37.4 neg: -46.1 tot: -8.7 m^2/s^2 ave: -2.9 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 11.7 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 63.82 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 ------------------------------------------------------------------------------- 500 244 31 103 3| 0.0 25.0 25.0| 3.4 -2.2 1.2 2.4 0.25| 29.0 7.2 1000 241 33 141 3| 0.0 10.6 10.6| 3.4 -6.6 -3.2 -3.2 0.10| 17.3 1.7 1500 239 33 145 5| 0.0 7.7 7.7| 7.4 -8.0 -0.5 -0.4 0.11| 13.4 1.5 2000 235 33 147 7| 0.0 4.5 4.5| 9.7 -32.2 -22.6 -11.3 -0.04| 12.5 -0.5 2500 232 32 137 9| 0.0 4.6 4.6| 32.0 -40.5 -8.4 -3.4 -0.01| 13.0 -0.1 3000 228 31 135 11| 0.7 3.8 4.6| 37.4 -46.1 -8.7 -2.9 -0.01| 11.7 -0.1 4000 223 31 134 14| 2.5 2.9 5.5|128.3 -52.7 75.6 18.9 0.17| 11.4 2.0 5000 221 37 154 16| 2.0 6.0 8.0|212.3 -95.0 117.3 23.5 0.18| 13.1 2.4 6000 217 45 170 23| 1.7 5.5 7.2|259.7-217.9 41.7 7.0 0.13| 12.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20251212.12.gif