UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 6 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 ------------------------------------------------------------------------------- SFC 1003 57 -6.3 -12.3 62 6.0 -7.9 300 16 266.6 266.9 265.1 270.7 1.48 1 1000 78 -6.1 -13.1 58 7.0 -7.9 295 15 267.0 267.3 265.3 270.9 1.39 2 998 94 -6.3 -13.3 58 7.0 -8.1 295 16 267.0 267.2 265.2 270.8 1.37 3 925 681 -11.7 -16.3 69 4.6 -12.7 300 32 267.3 267.5 265.0 270.6 1.16 4 924 689 -11.7 -16.4 68 4.7 -12.7 300 32 267.4 267.6 265.1 270.6 1.15 5 870 1146 -16.3 -16.8 96 0.5 -16.4 304 31 267.3 267.5 265.0 270.6 1.18 6 866 1181 -16.7 -18.4 87 1.7 -17.0 304 31 267.2 267.4 264.7 270.1 1.03 7 863 1207 -16.7 -16.7 100 0.0 -16.7 305 31 267.5 267.7 265.2 270.8 1.20 8 850 1321 -17.7 -17.7 100 0.0 -17.7 310 35 267.6 267.8 265.1 270.7 1.12 9 840 1409 -18.3 -19.9 87 1.6 -18.6 308 36 267.9 268.0 265.0 270.5 0.94 10 838 1427 -18.7 -18.7 100 0.0 -18.7 308 36 267.6 267.8 265.0 270.6 1.04 11 837 1436 -18.7 -20.2 88 1.5 -19.0 308 36 267.7 267.9 264.8 270.3 0.92 12 836 1445 -18.3 -28.3 41 10.0 -19.6 308 36 268.2 268.3 264.3 269.5 0.44 13 831 1490 -18.7 -26.7 49 8.0 -19.8 307 36 268.3 268.4 264.5 269.8 0.52 14 828 1517 -18.7 -34.7 23 16.0 -20.4 306 36 268.6 268.6 264.1 269.3 0.24 15 822 1571 -18.3 -37.3 17 19.0 -20.3 305 36 269.5 269.6 264.7 270.1 0.19 16 785 1913 -20.5 -32.5 33 12.0 -21.8 301 38 270.8 270.8 265.8 271.7 0.32 17 738 2368 -22.1 -32.1 40 10.0 -23.2 305 43 273.8 273.9 268.0 274.9 0.35 18 713 2623 -19.1 -39.1 15 20.0 -21.2 305 48 279.9 279.9 271.4 280.4 0.18 19 700 2760 -18.7 -47.7 6 29.0 -21.2 310 54 281.8 281.8 272.3 282.0 0.07 20 688 2889 -18.1 -48.1 5 30.0 -20.7 309 55 283.8 283.9 273.5 284.1 0.07 21 576 4191 -27.1 -43.1 20 16.0 -28.4 309 68 288.1 288.1 275.9 288.6 0.15 22 561 4381 -28.3 -49.3 12 21.0 -29.6 308 71 288.9 288.9 276.2 289.1 0.08 23 549 4536 -27.9 -57.9 4 30.0 -29.5 306 73 291.1 291.1 277.3 291.2 0.03 24 520 4923 -30.9 -50.9 12 20.0 -32.0 305 69 292.1 292.1 277.8 292.3 0.07 25 500 5200 -32.1 -53.1 11 21.0 -33.2 305 69 293.9 293.9 278.7 294.1 0.06 26 469 5648 -35.0 -57.4 8 22.4 -35.9 300 71 295.8 295.8 279.5 295.9 0.03 27 400 6740 -42.1 -68.1 4 26.0 -42.6 305 68 300.3 300.3 281.5 300.3 0.01 28 398 6774 -42.5 -68.5 4 26.0 -43.0 304 68 300.2 300.2 281.4 300.2 0.01 29 373 7212 -43.7 -68.7 5 25.0 -44.2 298 67 304.2 304.2 283.1 304.3 0.01 30 300 8660 -49.5 -71.5 6 22.0 -49.8 270 50 315.6 315.6 287.3 315.6 0.01 31 281 9084 -51.9 -72.9 6 21.0 -52.2 280 60 318.1 318.1 288.1 318.1 0.01 32 271 9319 -50.9 -74.9 4 24.0 -51.2 278 62 322.9 322.9 289.6 322.9 0.01 33 259 9612 -52.1 -75.1 5 23.0 -52.4 282 63 325.3 325.3 290.3 325.3 0.01 34 250 9840 -51.9 -75.9 4 24.0 -52.2 285 64 328.9 328.9 291.4 328.9 0.01 35 240 10104 -50.5 -77.5 3 27.0 -50.9 288 59 334.9 334.9 293.0 334.9 0.00 36 212 10905 -53.3 -80.3 2 27.0 -53.6 282 64 342.6 342.6 295.0 342.6 0.00 37 200 11280 -52.3 -81.3 2 29.0 -52.7 285 64 349.9 349.9 296.6 350.0 0.00 38 191 11579 -51.7 -81.7 2 30.0 -52.1 282 65 355.5 355.6 297.8 355.6 0.00 39 184 11823 -49.1 -81.1 1 32.0 -49.7 279 66 363.6 363.6 299.4 363.6 0.00 40 164 12582 -48.5 -81.5 1 33.0 -49.2 275 61 376.8 376.8 301.7 376.8 0.00 41 150 13170 -48.7 -81.7 1 33.0 -49.4 275 51 386.2 386.2 303.2 386.2 0.00 42 128 14208 -49.7 -82.7 1 33.0 -50.5 275 39 402.3 402.3 305.5 402.3 0.00 43 107 15366 -54.5 -84.5 1 30.0 -55.1 270 49 414.3 414.3 307.0 414.3 0.00 44 100 15800 -52.9 -84.9 1 32.0 -53.6 265 70 425.5 425.5 308.3 425.5 0.00 45 96 16064 -53.5 -84.5 1 31.0 -54.2 265 70 429.3 429.3 308.7 429.4 0.00 46 79 17321 -53.3 -85.3 1 32.0 -54.1 270 56 454.4 454.4 311.3 454.4 0.00 47 74 17747 -48.7 -83.7 1 35.0 -50.1 253 37 472.6 472.6 312.8 472.7 0.00 48 70 18110 -52.7 -84.7 1 32.0 -53.7 215 10 471.6 471.6 312.8 471.7 0.00 49 62 18884 -56.1 -86.1 1 30.0 -56.8 215 1 480.8 480.8 313.5 480.8 0.00 50 50 20240 -57.9 -86.9 1 29.0 -58.6 245 32 507.0 507.0 315.4 507.1 0.00 51 46 20762 -60.7 -88.7 1 28.0 -61.3 243 33 512.5 512.5 315.8 512.5 0.00 52 43 21186 -56.5 -87.5 1 31.0 -57.5 253 21 532.8 532.8 317.1 532.9 0.00 53 39 21801 -60.1 -88.1 1 28.0 -60.8 200 13 538.8 538.8 317.5 538.8 0.00 54 31 23243 -57.3 -87.3 1 30.0 -58.5 299 24 582.9 582.9 319.8 583.0 0.01 55 30 23450 -58.3 -88.3 1 30.0 -59.4 285 23 585.7 585.7 319.9 585.7 0.01 56 28 23883 -59.7 -88.7 1 29.0 -60.7 282 22 593.5 593.5 320.3 593.5 0.01 57 27 24113 -56.7 -87.7 1 31.0 -58.2 284 23 608.1 608.1 321.0 608.2 0.01 58 25 24598 -59.3 -88.3 1 29.0 -60.4 337 14 614.2 614.2 321.2 614.2 0.01 59 20 26020 -52.5 -85.5 1 33.0 -55.3 25 10 675.5 675.5 323.6 675.6 0.01 60 17 27075 -51.1 -85.1 1 34.0 -54.6 12 16 712.1 712.1 324.8 712.2 0.02 61 16 27468 -53.7 -85.7 1 32.0 -56.6 39 26 716.1 716.1 325.0 716.2 0.02 62 10 30530 -48.1 -84.1 1 36.0 -54.4 310 14 840.0 840.0 328.2 840.3 0.03 63 8.8 31375 -46.7 -83.7 1 37.0 -54.1 876.7 876.7 329.0 877.1 0.04 64 8.3 31762 -47.7 -83.7 1 36.0 -54.9 887.6 887.6 329.2 888.0 0.04 TRP 281 9084 -51.9 -72.9 6 21.0 -52.2 280 60 318.1 318.1 288.1 318.1 0.01 WND 469 5648 -35.0 -57.4 8 22.4 -35.9 300 71 295.8 295.8 279.5 295.9 0.03 Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 32.85 % Est. max temperature: -5.34 C = 22.38 F Sfc-Lift cond lev (LCL): 911.61 mb = 791.75 m = 2597.56 ft T: -12.73 C 700-500 lapse rate: 5.49 C/km ThetaE index: 1.01 C Layer 837.0- 831.0 mb Conv cond level (CCL): 872.00 mb = 1129.00 m = 3704.03 ft Mean mixing ratio: 1.25 g/kg Conv temperature: -5.63 C = 21.87 F Cap Strength: 18.01 C Lifted Index: 19.24 C Risk: None Lifted Index @300 mb: 31.84 C Lifted Index @700 mb: 11.22 C Showalter Index: 19.21 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 14.40 C K Index: -32.30 Risk: None Sweat Index: 139.00 Risk: None Energy Index: 4.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.32 J/kg Max Up Vert Vel: 1.62 m/s Conv Inhibition (B-): 73057.68 J/kg Cap Strength: 19.04 C Lift Cond Lev (LCL): 872.93 mb = 1120.97 m = 3677.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 335 at 39 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 1003 57 300 16 13.9 -8.0 | 174 28 -3.0 27.6 1 1000 78 295 15 13.6 -6.3 | 174 29 -3.3 29.2 2 971 305 300 31 26.8 -15.5 | 206 22 10.0 20.1 3 934 610 300 32 27.7 -16.0 | 209 22 10.8 19.6 4 925 681 300 32 27.7 -16.0 | 209 22 10.8 19.6 5 897 914 300 31 26.8 -15.5 | 206 22 10.0 20.1 6 862 1219 305 31 25.4 -17.8 | 206 20 8.5 17.8 7 850 1321 310 35 26.8 -22.5 | 217 16 9.9 13.1 8 794 1829 300 38 32.9 -19.0 | 224 23 16.0 16.6 9 762 2134 305 39 31.9 -22.4 | 229 20 15.1 13.2 10 731 2438 305 44 36.0 -25.2 | 242 22 19.2 10.3 11 702 2743 305 50 41.0 -28.7 | 254 25 24.1 6.9 12 700 2760 310 54 41.4 -34.7 | 268 24 24.5 0.9 13 619 3658 305 60 49.1 -34.4 | 268 32 32.3 1.2 14 569 4267 310 70 53.6 -45.0 | 284 38 36.7 -9.4 15 545 4572 305 73 59.8 -41.9 | 278 43 42.9 -6.3 16 523 4877 305 69 56.5 -39.6 | 276 40 39.6 -4.0 17 500 5200 305 69 56.5 -39.6 | 276 40 39.6 -4.0 18 469 5648 300 71 61.5 -35.5 | 270 45 44.6 0.1 19 459 5791 300 71 61.5 -35.5 | 270 45 44.6 0.1 20 439 6096 300 70 60.6 -35.0 | 269 44 43.7 0.6 21 400 6740 305 68 55.7 -39.0 | 275 39 38.8 -3.4 22 384 7010 295 68 61.6 -28.7 | 261 45 44.7 6.8 23 367 7315 300 67 58.0 -33.5 | 267 41 41.1 2.1 24 351 7620 295 66 59.8 -27.9 | 260 44 42.9 7.7 25 300 8660 270 50 50.0 -0.0 | 223 49 33.1 35.6 26 292 8839 270 52 52.0 -0.0 | 225 50 35.1 35.6 27 281 9084 280 60 59.1 -10.4 | 239 49 42.2 25.2 28 278 9144 275 61 60.8 -5.3 | 235 53 43.9 30.3 29 250 9840 285 64 61.8 -16.6 | 247 49 44.9 19.0 30 231 10363 290 54 50.7 -18.5 | 243 38 33.9 17.1 31 220 10668 280 64 63.0 -11.1 | 242 52 46.1 24.5 32 200 11280 285 64 61.8 -16.6 | 247 49 44.9 19.0 33 174 12192 275 68 67.7 -5.9 | 240 59 50.9 29.6 34 150 13170 275 51 50.8 -4.4 | 227 46 33.9 31.1 35 126 14326 275 38 37.9 -3.3 | 213 38 21.0 32.3 36 120 14630 265 43 42.8 3.7 | 213 47 25.9 39.3 37 109 15240 270 51 51.0 -0.0 | 224 49 34.1 35.6 38 104 15545 270 46 46.0 -0.0 | 219 46 29.1 35.6 39 100 15800 265 70 69.7 6.1 | 232 67 52.8 41.7 40 95 16154 265 70 69.7 6.1 | 232 67 52.8 41.7 41 78 17374 270 55 55.0 -0.0 | 227 52 38.1 35.6 42 75 17678 255 44 42.5 11.4 | 209 53 25.6 47.0 43 71 17983 245 15 13.6 6.3 | 176 42 -3.3 41.9 44 70 18110 215 10 5.7 8.2 | 166 45 -11.2 43.8 45 68 18288 215 10 5.7 8.2 | 166 45 -11.2 43.8 46 62 18898 215 1 0.6 0.8 | 156 40 -16.3 36.4 47 59 19202 225 19 13.4 13.4 | 176 49 -3.5 49.0 48 53 19812 255 27 26.1 7.0 | 192 44 9.2 42.6 49 50 20240 245 32 29.0 13.5 | 194 51 12.1 49.1 50 49 20422 240 37 32.0 18.5 | 196 56 15.2 54.1 51 44 21031 245 30 27.2 12.7 | 192 49 10.3 48.3 52 42 21336 260 12 11.8 2.1 | 172 38 -5.1 37.7 53 40 21641 180 10 0.0 10.0 | 160 49 -16.9 45.6 54 36 22250 255 21 20.3 5.4 | 185 41 3.4 41.0 55 35 22555 280 22 21.7 -3.8 | 189 32 4.8 31.8 56 33 22860 275 26 25.9 -2.3 | 195 35 9.0 33.3 57 31 23165 305 25 20.5 -14.3 | 190 22 3.6 21.2 58 30 23450 285 23 22.2 -6.0 | 190 30 5.3 29.6 59 30 23470 285 21 20.3 -5.4 | 186 30 3.4 30.1 60 27 24079 280 23 22.7 -4.0 | 190 32 5.8 31.6 61 26 24384 315 21 14.8 -14.8 | 174 21 -2.0 20.7 62 25 24689 345 11 2.8 -10.6 | 151 29 -14.0 24.9 63 24 24994 270 10 10.0 -0.0 | 169 36 -6.9 35.6 64 22 25298 300 13 11.3 -6.5 | 169 30 -5.6 29.1 65 21 25603 360 27 -0.0 -27.0 | 117 19 -16.9 8.6 66 20 26020 25 10 -4.2 -9.1 | 141 34 -21.1 26.5 67 19 26213 30 16 -8.0 -13.9 | 131 33 -24.9 21.7 68 19 26518 10 5 -0.9 -4.9 | 150 35 -17.8 30.6 69 18 26822 25 12 -5.1 -10.9 | 138 33 -22.0 24.7 70 17 27127 10 17 -3.0 -16.7 | 134 27 -19.8 18.8 71 16 27432 40 26 -16.7 -19.9 | 115 37 -33.6 15.7 72 15 27737 35 29 -16.6 -23.8 | 109 36 -33.5 11.8 73 13 28651 360 22 -0.0 -22.0 | 129 22 -16.9 13.6 74 12 29261 25 15 -6.3 -13.6 | 133 32 -23.2 22.0 75 12 29566 10 11 -1.9 -10.8 | 143 31 -18.8 24.7 76 10 30530 310 14 10.7 -9.0 | 167 27 -6.2 26.6 Wind Parameters Mean winds (0-6000m): 304.6 at 52.5 knts Storm direction: 334.6 at 39.4 knts Shear (0-3000m) pos: 3.9 neg: 3.1 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 94.5 deg Storm rel helicity (0-3000m) pos: 234.0 neg: -7.1 tot: 226.9 m^2/s^2 ave: 75.6 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 6.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 88.52 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 ------------------------------------------------------------------------------- 500 299 27 196 23| 0.0 16.3 16.3| 98.7 0.0 98.7 197.4 0.94| 16.5 15.5 1000 300 29 202 23| 0.8 8.1 8.9| 99.7 -6.5 93.2 93.2 0.77| 9.4 7.3 1500 302 31 205 21| 1.9 5.4 7.3|123.4 -7.1 116.3 77.5 0.70| 9.3 6.5 2000 302 32 210 21| 1.4 4.7 6.1|136.4 -7.1 129.3 64.6 0.64| 8.5 5.5 2500 303 34 215 21| 2.6 3.8 6.4|176.6 -7.1 169.5 67.8 0.69| 8.5 5.9 3000 304 37 224 20| 3.9 3.1 7.1|234.0 -7.1 226.9 75.6 0.71| 9.0 6.4 4000 305 43 240 21| 4.0 2.8 6.8|293.4 -8.4 285.0 71.2 0.67| 8.4 5.6 5000 305 49 252 24| 3.2 2.6 5.8|325.0 -73.1 251.8 50.4 0.52| 8.2 4.2 6000 305 53 258 27| 2.6 2.5 5.1|325.0-126.5 198.5 33.1 0.42| 7.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20251206.12.gif