UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052312.upa.cvt Date: 1200Z 23 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 23 MAY 25 Station: CYAH WMO ident: 71823 Latitude: 53.75 Longitude: -73.68 Elevation: 306.00 ------------------------------------------------------------------------------- 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 158 SFC 983 306 6.4 3.4 81 3.0 4.9 60 2 280.9 281.8 278.9 294.7 4.97 2 975 372 8.8 0.8 57 8.0 5.1 73 4 284.0 284.7 279.4 295.7 4.15 3 960 499 10.0 -1.0 46 11.0 5.0 98 8 286.5 287.1 280.0 297.1 3.70 4 955 542 10.0 -1.0 46 11.0 4.9 107 9 286.9 287.6 280.3 297.6 3.72 5 925 803 8.0 -1.0 53 9.0 3.9 115 10 287.5 288.2 280.7 298.5 3.84 6 850 1494 2.4 -2.3 71 4.7 0.4 85 12 288.7 289.3 281.1 299.6 3.80 7 750 2491 -5.7 -5.7 100 0.0 -5.7 116 15 290.4 291.0 281.4 300.1 3.33 8 700 3028 -9.5 -9.7 98 0.2 -9.6 125 13 292.0 292.4 281.2 299.7 2.61 9 696 3072 -9.7 -10.4 95 0.7 -9.9 118 17 292.2 292.7 281.2 299.6 2.49 10 692 3117 -8.1 -20.1 37 12.0 -11.2 125 17 294.5 294.7 280.4 298.0 1.12 11 684 3207 -7.5 -24.5 24 17.0 -11.5 138 17 296.1 296.3 280.7 298.6 0.77 12 654 3555 -9.3 -29.3 18 20.0 -13.4 154 13 297.9 298.0 281.1 299.6 0.52 13 597 4254 -14.1 -34.1 17 20.0 -17.4 143 9 300.2 300.3 282.0 301.4 0.36 14 559 4751 -17.3 -35.3 19 18.0 -20.0 169 13 302.2 302.2 282.7 303.3 0.34 15 548 4899 -18.5 -26.5 49 8.0 -20.1 186 14 302.4 302.6 283.4 305.1 0.80 16 546 4927 -18.3 -20.6 82 2.3 -18.8 190 14 303.0 303.3 284.3 307.4 1.36 17 544 4954 -18.1 -19.1 92 1.0 -18.4 194 14 303.6 303.8 284.8 308.5 1.55 18 500 5580 -21.7 -22.2 96 0.5 -21.8 210 13 306.6 306.8 285.6 310.8 1.29 19 492 5698 -22.3 -22.8 96 0.5 -22.4 207 13 307.3 307.5 285.8 311.3 1.24 20 489 5743 -22.1 -25.1 77 3.0 -22.7 206 13 308.0 308.2 285.8 311.4 1.02 21 486 5788 -22.1 -24.2 83 2.1 -22.5 205 13 308.6 308.8 286.1 312.3 1.11 22 482 5849 -21.9 -25.5 73 3.6 -22.7 210 14 309.6 309.8 286.4 312.9 1.00 23 475 5956 -22.1 -31.1 44 9.0 -23.6 218 15 310.6 310.7 286.3 312.7 0.60 24 465 6112 -22.7 -25.8 76 3.1 -23.3 231 16 311.8 312.0 287.1 315.2 1.00 25 442 6482 -24.1 -31.1 52 7.0 -25.3 259 16 314.6 314.7 287.7 316.8 0.65 26 406 7094 -29.1 -34.1 62 5.0 -29.8 251 19 315.8 315.9 288.0 317.7 0.53 27 400 7200 -29.9 -35.9 56 6.0 -30.7 250 19 316.1 316.2 288.0 317.7 0.45 28 393 7326 -30.9 -35.9 61 5.0 -31.5 249 20 316.4 316.5 288.1 318.0 0.45 29 390 7380 -31.1 -39.1 45 8.0 -32.0 248 20 316.9 316.9 288.1 318.1 0.33 30 366 7827 -35.1 -39.3 65 4.2 -35.5 239 25 317.3 317.4 288.3 318.6 0.35 31 337 8397 -39.9 -45.9 53 6.0 -40.3 235 29 318.4 318.4 288.4 319.1 0.19 32 330 8540 -41.1 -44.6 69 3.5 -41.3 235 30 318.6 318.7 288.6 319.4 0.22 33 319 8769 -43.1 -49.1 52 6.0 -43.4 235 31 319.0 319.0 288.6 319.5 0.14 34 312 8918 -44.3 -48.6 62 4.3 -44.5 235 32 319.3 319.3 288.7 319.9 0.15 35 300 9180 -46.3 -51.3 57 5.0 -46.5 235 36 320.1 320.1 288.9 320.5 0.11 36 299 9202 -46.5 -51.5 57 5.0 -46.7 235 36 320.1 320.1 288.9 320.5 0.11 37 265 9989 -53.7 -56.6 70 2.9 -53.8 242 39 320.8 320.9 289.1 321.1 0.07 38 250 10360 -56.7 -58.7 78 2.0 -56.8 245 40 321.8 321.8 289.3 322.0 0.06 39 248 10411 -56.9 -58.5 82 1.6 -56.9 243 38 322.2 322.2 289.5 322.4 0.06 40 242 10566 -57.7 -63.7 46 6.0 -57.8 235 33 323.3 323.3 289.8 323.4 0.03 41 237 10697 -57.5 -67.5 27 10.0 -57.6 239 35 325.5 325.5 290.5 325.6 0.02 42 227 10970 -57.5 -66.5 31 9.0 -57.6 225 36 329.6 329.6 291.6 329.6 0.02 43 224 11054 -56.7 -67.7 24 11.0 -56.9 232 32 332.0 332.0 292.3 332.1 0.02 44 213 11371 -58.9 -68.9 26 10.0 -59.0 244 21 333.4 333.4 292.7 333.5 0.02 45 206 11583 -55.9 -75.9 6 20.0 -56.1 230 20 341.3 341.3 294.7 341.4 0.01 46 201 11738 -57.1 -76.1 7 19.0 -57.3 238 15 341.9 341.9 294.8 341.9 0.01 47 200 11770 -56.9 -75.9 7 19.0 -57.1 240 14 342.7 342.7 295.0 342.7 0.01 48 196 11899 -54.7 -76.7 5 22.0 -55.0 240 14 348.2 348.2 296.2 348.2 0.01 49 191 12064 -55.7 -76.7 6 21.0 -55.9 240 14 349.1 349.1 296.4 349.2 0.01 50 183 12338 -53.5 -79.5 3 26.0 -53.9 223 15 357.0 357.0 298.1 357.0 0.00 51 177 12552 -53.9 -79.9 3 26.0 -54.2 213 17 359.8 359.8 298.7 359.8 0.00 52 172 12737 -52.7 -81.7 2 29.0 -53.1 237 15 364.7 364.7 299.6 364.7 0.00 53 158 13284 -53.7 -83.7 1 30.0 -54.1 242 14 372.0 372.0 300.9 372.0 0.00 54 155 13407 -51.9 -83.9 1 32.0 -52.4 241 14 377.1 377.1 301.8 377.1 0.00 55 150 13620 -51.9 -82.9 1 31.0 -52.4 240 13 380.6 380.6 302.3 380.7 0.00 56 140 14068 -51.1 -84.1 1 33.0 -51.7 254 15 389.6 389.6 303.8 389.6 0.00 57 110 15626 -53.5 -85.5 1 32.0 -54.1 267 9 412.9 412.9 306.9 413.0 0.00 58 100 16240 -52.9 -84.9 1 32.0 -53.6 275 10 425.5 425.5 308.3 425.5 0.00 59 95 16571 -53.5 -85.5 1 32.0 -54.2 272 11 430.6 430.6 308.9 430.6 0.00 60 70 18540 -52.7 -85.7 1 33.0 -53.7 140 2 471.6 471.6 312.8 471.7 0.00 61 50 20720 -52.9 -85.9 1 33.0 -54.2 165 5 518.8 518.8 316.2 518.8 0.00 62 31 23825 -48.5 -85.5 1 37.0 -51.4 11 14 606.7 606.7 320.9 606.8 0.01 63 30 24040 -49.7 -85.7 1 36.0 -52.4 20 14 609.1 609.2 321.0 609.2 0.01 64 25 25226 -51.9 -86.9 1 35.0 -54.4 78 11 635.4 635.4 322.1 635.5 0.01 65 22 26062 -47.7 -85.7 0 38.0 -51.7 88 11 671.6 671.6 323.5 671.7 0.01 66 20 26690 -48.3 -85.3 1 37.0 -52.3 85 11 688.3 688.3 324.0 688.4 0.01 67 14 29045 -47.7 -85.7 0 38.0 -53.0 90 9 764.3 764.3 326.3 764.4 0.02 68 10 31310 -39.3 -81.3 0 42.0 -50.0 65 18 872.8 872.9 328.9 873.4 0.05 69 5.9 34978 -32.3 -76.3 0 44.0 -50.1 1045.4 1045.5 331.9 1047.9 0.20 TRP 242 10566 -57.7 -63.7 46 6.0 -57.8 235 33 323.3 323.3 289.8 323.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5422.00 m Freezing level: 820.37 mb = 1789.32 m = 5870.39 ft Wetbulb zero: 843.91 mb = 1551.29 m = 5089.49 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 59.38 % Est. max temperature: 14.39 C = 57.90 F Sfc-Lift cond lev (LCL): 938.76 mb = 682.28 m = 2238.41 ft T: 8.93 C 700-500 lapse rate: 4.78 C/km ThetaE index: 2.14 C Layer 700.0- 684.0 mb Conv cond level (CCL): 779.59 mb = 2182.56 m = 7160.54 ft Mean mixing ratio: 3.88 g/kg Conv temperature: 15.31 C = 59.56 F Cap Strength: 7.19 C Lifted Index: 8.75 C Risk: None Lifted Index @300 mb: 15.85 C Lifted Index @700 mb: 1.14 C Showalter Index: 7.52 C Risk: None Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.40 C K Index: 21.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 37.00 Risk: None Energy Index: 2.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.97 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 60816.11 J/kg Cap Strength: 8.51 C Lift Cond Lev (LCL): 815.51 mb = 1823.84 m = 5983.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 181 at 9 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 ---------------------------------------------------------- 0 983 306 60 2 -1.7 -1.0 | 11 10 -1.9 -10.2 1 947 610 120 11 -9.5 5.5 | 69 10 -9.7 -3.7 2 925 803 115 10 -9.1 4.2 | 62 11 -9.3 -5.0 3 912 914 120 10 -8.7 5.0 | 65 10 -8.9 -4.2 4 879 1219 95 10 -10.0 0.9 | 51 13 -10.2 -8.3 5 850 1494 85 12 -12.0 -1.0 | 50 16 -12.1 -10.3 6 847 1524 85 12 -12.0 -1.0 | 50 16 -12.1 -10.3 7 815 1829 105 12 -11.6 3.1 | 63 13 -11.8 -6.1 8 784 2134 110 12 -11.3 4.1 | 66 13 -11.5 -5.1 9 754 2438 115 15 -13.6 6.3 | 78 14 -13.8 -2.9 10 726 2743 120 12 -10.4 6.0 | 73 11 -10.6 -3.2 11 700 3028 125 13 -10.6 7.5 | 81 11 -10.8 -1.7 12 698 3048 115 17 -15.4 7.2 | 83 16 -15.6 -2.0 13 671 3353 160 17 -5.8 16.0 | 138 9 -6.0 6.8 14 644 3658 150 10 -5.0 8.7 | 84 5 -5.2 -0.5 15 619 3962 170 10 -1.7 9.8 | 108 2 -1.9 0.6 16 594 4267 140 9 -5.8 6.9 | 69 6 -6.0 -2.3 17 571 4572 150 11 -5.5 9.5 | 93 6 -5.7 0.3 18 549 4877 185 14 1.2 13.9 | 192 5 1.0 4.7 19 527 5182 230 14 10.7 9.0 | 271 11 10.5 -0.2 20 506 5486 215 14 8.0 11.5 | 254 8 7.8 2.3 21 500 5580 210 13 6.5 11.3 | 252 7 6.3 2.1 22 486 5791 205 13 5.5 11.8 | 244 6 5.3 2.6 23 466 6096 230 16 12.3 10.3 | 265 12 12.1 1.1 24 447 6401 260 16 15.8 2.8 | 292 17 15.6 -6.4 25 400 7200 250 19 17.9 6.5 | 279 18 17.7 -2.7 26 376 7620 245 22 19.9 9.3 | 270 20 19.7 0.1 27 360 7925 235 26 21.3 14.9 | 255 22 21.1 5.7 28 302 9144 235 34 27.9 19.5 | 250 30 27.7 10.3 29 300 9180 235 36 29.5 20.6 | 249 31 29.3 11.4 30 250 10360 245 40 36.3 16.9 | 258 37 36.1 7.7 31 242 10566 235 33 27.0 18.9 | 250 29 26.8 9.7 32 238 10668 240 35 30.3 17.5 | 255 31 30.1 8.3 33 227 10973 225 36 25.5 25.5 | 237 30 25.3 16.3 34 216 11278 250 21 19.7 7.2 | 276 20 19.5 -2.0 35 206 11582 230 20 15.3 12.9 | 256 16 15.1 3.7 36 200 11770 240 14 12.1 7.0 | 280 12 11.9 -2.2 37 196 11887 240 14 12.1 7.0 | 280 12 11.9 -2.2 38 187 12192 240 14 12.1 7.0 | 280 12 11.9 -2.2 39 179 12497 205 17 7.2 15.4 | 228 9 7.0 6.2 40 170 12802 245 15 13.6 6.3 | 282 14 13.4 -2.9 41 150 13620 240 13 11.3 6.5 | 284 11 11.1 -2.7 42 148 13716 235 13 10.6 7.5 | 279 11 10.5 -1.7 43 141 14021 255 16 15.5 4.1 | 288 16 15.3 -5.1 44 134 14326 245 11 10.0 4.6 | 295 11 9.8 -4.6 45 128 14630 270 11 11.0 -0.0 | 310 14 10.8 -9.2 46 122 14935 260 10 9.8 1.7 | 308 12 9.7 -7.5 47 117 15240 240 8 6.9 4.0 | 308 9 6.7 -5.2 48 111 15545 270 10 10.0 -0.0 | 313 13 9.8 -9.2 49 106 15850 260 6 5.9 1.0 | 325 10 5.7 -8.2 50 101 16154 260 10 9.8 1.7 | 308 12 9.7 -7.5 51 100 16240 275 10 10.0 -0.9 | 316 14 9.8 -10.1 52 97 16459 275 11 11.0 -1.0 | 313 15 10.8 -10.2 53 84 17374 250 10 9.4 3.4 | 302 11 9.2 -5.8 54 76 17983 250 10 9.4 3.4 | 302 11 9.2 -5.8 55 73 18288 330 10 5.0 -8.7 | 345 19 4.8 -17.9 56 70 18540 140 2 -1.3 1.5 | 11 8 -1.5 -7.7 57 63 19202 185 1 0.1 1.0 | 1 8 -0.1 -8.2 58 50 20720 165 5 -1.3 4.8 | 19 5 -1.5 -4.4 59 45 21336 270 8 8.0 -0.0 | 320 12 7.8 -9.2 60 30 24040 20 14 -4.8 -13.2 | 13 23 -5.0 -22.4 61 30 24079 355 1 0.1 -1.0 | 1 10 -0.1 -10.2 62 28 24384 25 15 -6.3 -13.6 | 16 24 -6.5 -22.8 63 26 24994 70 11 -10.3 -3.8 | 39 17 -10.5 -13.0 64 24 25603 90 10 -10.0 0.0 | 48 14 -10.2 -9.2 65 23 25908 80 12 -11.8 -2.1 | 47 16 -12.0 -11.3 66 22 26213 95 10 -10.0 0.9 | 51 13 -10.2 -8.3 67 21 26518 65 12 -10.9 -5.1 | 38 18 -11.1 -14.3 68 20 26690 85 11 -11.0 -1.0 | 48 15 -11.2 -10.2 69 20 26822 90 21 -21.0 0.0 | 67 23 -21.2 -9.2 70 19 27127 95 15 -14.9 1.3 | 62 17 -15.1 -7.9 71 18 27432 65 11 -10.0 -4.6 | 36 17 -10.2 -13.9 72 17 27737 125 17 -13.9 9.8 | 92 14 -14.1 0.5 73 16 28042 145 10 -5.7 8.2 | 80 6 -5.9 -1.0 74 16 28346 0 0 -0.0 -0.0 | 1 9 -0.2 -9.2 75 14 28956 110 11 -10.3 3.8 | 63 12 -10.5 -5.4 76 13 29566 0 0 -0.0 -0.0 | 1 9 -0.2 -9.2 77 12 29870 10 10 -1.7 -9.8 | 6 19 -1.9 -19.1 78 10 31310 65 18 -16.3 -7.6 | 44 24 -16.5 -16.8 Wind Parameters Mean winds (0-6000m): 151.2 at 12.3 knts Storm direction: 181.2 at 9.2 knts Shear (0-3000m) pos: 3.5 neg: 0.7 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 116.3 deg Storm rel helicity (0-3000m) pos: 91.8 neg: -15.0 tot: 76.8 m^2/s^2 ave: 25.6 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.28 Bulk Shear: 7.45 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 ------------------------------------------------------------------------------- 500 115 8 52 10| 9.3 0.0 9.3| 31.4 -3.2 28.2 56.3 0.79| 12.8 10.1 1000 111 9 55 11| 4.6 2.2 6.8| 32.6 -11.7 20.9 20.9 0.41| 9.4 3.9 1500 103 10 55 12| 3.9 1.4 5.3| 44.4 -12.6 31.8 21.2 0.43| 8.3 3.6 2000 105 11 58 12| 3.6 1.1 4.6| 53.4 -12.6 40.8 20.4 0.48| 7.0 3.3 2500 108 11 62 12| 2.7 0.9 3.6| 57.6 -15.0 42.6 17.0 0.43| 6.4 2.8 3000 112 12 67 12| 3.5 0.7 4.2| 91.8 -15.0 76.8 25.6 0.54| 7.8 4.2 4000 123 12 74 10| 1.8 0.9 2.8| 94.5 -25.4 69.1 17.3 0.32| 7.7 2.4 5000 135 12 84 9| 2.4 0.7 3.1|123.2 -27.8 95.4 19.1 0.45| 8.5 3.8 6000 151 12 104 6| 2.3 0.8 3.1|147.7 -33.4 114.4 19.1 0.43| 8.5 3.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250523.12.gif