UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062600.upa.cvt Date: 0000Z 26 JUN 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 26 JUN 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 167 SFC 984 306 10.0 4.0 66 6.0 7.0 305 5 284.5 285.4 280.9 299.0 5.18 2 925 811 5.2 0.8 73 4.4 3.2 280 21 284.6 285.4 280.0 297.0 4.38 3 850 1495 -0.7 -1.4 95 0.7 -1.0 295 21 285.4 286.1 280.0 296.9 4.06 4 828 1704 -2.5 -2.5 100 0.0 -2.5 295 20 285.7 286.3 279.8 296.6 3.84 5 734 2650 -7.9 -10.5 82 2.6 -8.8 308 27 289.8 290.2 279.8 296.7 2.34 6 720 2799 -8.7 -12.3 75 3.6 -9.8 313 28 290.5 290.9 279.8 296.7 2.06 7 707 2940 -9.9 -11.9 85 2.0 -10.5 321 28 290.7 291.1 280.1 297.2 2.17 8 700 3017 -9.9 -13.7 74 3.8 -11.1 325 28 291.5 291.9 280.1 297.2 1.89 9 694 3083 -10.3 -13.9 75 3.6 -11.4 324 28 291.8 292.1 280.2 297.5 1.88 10 681 3229 -10.1 -22.1 37 12.0 -12.9 322 31 293.6 293.8 279.8 296.6 0.95 11 664 3423 -10.5 -26.5 26 16.0 -13.9 319 33 295.3 295.4 280.2 297.4 0.66 12 653 3552 -10.9 -21.9 40 11.0 -13.6 317 35 296.2 296.4 281.1 299.5 1.01 13 641 3694 -11.5 -31.5 17 20.0 -15.2 315 37 297.1 297.2 280.7 298.6 0.43 14 640 3706 -11.7 -26.7 28 15.0 -14.8 315 37 297.0 297.2 281.0 299.2 0.67 15 638 3730 -11.7 -23.7 36 12.0 -14.5 315 37 297.3 297.5 281.4 300.1 0.88 16 633 3790 -12.3 -22.3 43 10.0 -14.7 314 38 297.3 297.5 281.5 300.5 1.01 17 616 3997 -13.3 -26.3 33 13.0 -16.0 312 39 298.5 298.6 281.7 300.8 0.72 18 606 4121 -14.3 -20.3 60 6.0 -15.8 311 39 298.7 298.9 282.5 302.7 1.26 19 580 4452 -16.9 -21.6 67 4.7 -18.0 310 41 299.4 299.7 282.7 303.2 1.17 20 576 4504 -16.9 -19.1 83 2.2 -17.4 310 41 300.0 300.3 283.2 304.7 1.47 21 501 5535 -24.1 -29.0 64 4.9 -24.9 315 44 303.5 303.6 283.7 305.8 0.69 22 500 5550 -24.3 -29.1 64 4.8 -25.1 315 44 303.4 303.5 283.7 305.7 0.69 23 480 5847 -26.9 -30.3 73 3.4 -27.4 312 46 303.8 303.9 283.8 305.9 0.64 24 464 6093 -27.9 -36.9 42 9.0 -28.9 310 47 305.5 305.5 284.1 306.7 0.35 25 458 6186 -28.3 -34.3 56 6.0 -29.0 310 47 306.1 306.2 284.4 307.7 0.46 26 456 6218 -28.3 -39.3 34 11.0 -29.5 310 48 306.5 306.6 284.4 307.5 0.28 27 445 6394 -29.1 -37.1 46 8.0 -30.0 310 49 307.6 307.7 284.9 308.9 0.36 28 441 6458 -29.7 -35.7 56 6.0 -30.4 310 49 307.7 307.8 285.0 309.1 0.41 29 404 7080 -34.1 -44.1 36 10.0 -34.9 310 53 309.8 309.8 285.5 310.5 0.19 30 400 7150 -34.7 -44.7 36 10.0 -35.4 310 53 309.9 309.9 285.5 310.5 0.18 31 349 8085 -41.9 -52.9 29 11.0 -42.4 310 56 312.5 312.5 286.3 312.8 0.08 32 327 8521 -45.5 -54.5 36 9.0 -45.8 310 57 313.4 313.4 286.6 313.7 0.07 33 300 9090 -48.9 -56.9 39 8.0 -49.1 310 58 316.4 316.4 287.6 316.7 0.06 34 297 9156 -49.3 -57.3 39 8.0 -49.5 310 58 316.8 316.8 287.8 317.0 0.06 35 291 9290 -47.7 -62.7 16 15.0 -48.1 307 62 320.9 320.9 289.0 321.0 0.03 36 283 9474 -46.3 -66.3 9 20.0 -46.8 304 67 325.5 325.5 290.5 325.6 0.02 37 263 9961 -44.8 -71.4 4 26.6 -45.4 295 80 334.6 334.6 293.0 334.6 0.01 38 259 10064 -44.5 -72.5 3 28.0 -45.2 295 80 336.5 336.5 293.4 336.5 0.01 39 250 10300 -44.5 -74.5 2 30.0 -45.2 300 71 339.9 339.9 294.3 339.9 0.01 40 238 10631 -43.1 -76.1 1 33.0 -43.9 300 75 346.8 346.8 295.9 346.9 0.01 41 201 11767 -44.7 -78.7 1 34.0 -45.6 295 71 361.5 361.5 299.0 361.5 0.00 42 200 11800 -44.7 -78.7 1 34.0 -45.6 295 71 362.0 362.0 299.1 362.0 0.00 43 189 12180 -43.3 -79.3 1 36.0 -44.3 295 70 370.1 370.1 300.6 370.2 0.00 44 154 13546 -47.5 -81.5 1 34.0 -48.3 299 59 385.3 385.3 303.1 385.3 0.00 45 150 13720 -47.5 -81.5 1 34.0 -48.3 300 57 388.2 388.2 303.5 388.2 0.00 46 136 14367 -48.3 -82.3 1 34.0 -49.1 300 54 397.8 397.8 304.9 397.8 0.00 47 123 15030 -47.7 -82.7 1 35.0 -48.7 300 52 410.5 410.5 306.6 410.5 0.00 48 100 16390 -50.1 -84.1 1 34.0 -51.0 290 38 430.9 430.9 308.9 430.9 0.00 49 76 18165 -53.3 -86.3 1 33.0 -54.1 291 32 459.4 459.4 311.7 459.4 0.00 50 72 18516 -49.1 -84.1 1 35.0 -50.5 296 35 475.5 475.5 313.1 475.5 0.00 51 70 18700 -50.3 -84.3 1 34.0 -51.5 290 23 476.8 476.8 313.2 476.8 0.00 52 50 20890 -51.7 -85.7 1 34.0 -53.1 315 17 521.6 521.6 316.4 521.7 0.01 53 35 23224 -48.1 -84.1 1 36.0 -50.8 346 1 587.1 587.1 320.0 587.1 0.01 54 30 24240 -48.7 -84.7 1 36.0 -51.6 5 6 611.9 611.9 321.2 611.9 0.01 55 27 24931 -49.1 -85.1 1 36.0 -52.1 31 9 629.5 629.5 321.9 629.5 0.01 56 20 26920 -43.9 -82.9 1 39.0 -49.5 70 24 701.8 701.8 324.5 702.0 0.02 57 10 31660 -36.5 -79.5 0 43.0 -48.8 40 20 883.3 883.3 329.1 884.0 0.07 58 9.5 32016 -36.3 -79.3 0 43.0 -49.0 897.1 897.2 329.4 897.9 0.08 59 8.6 32713 -31.9 -75.9 0 44.0 -47.8 940.2 940.2 330.2 941.8 0.15 60 8.0 33223 -32.7 -76.7 0 44.0 -48.5 956.6 956.7 330.5 958.2 0.14 61 6.0 35280 -25.3 -72.3 0 47.0 -47.9 1070.6 1070.9 332.3 1075.4 0.36 TRP 297 9156 -49.3 -57.3 39 8.0 -49.5 310 58 316.8 316.8 287.8 317.0 0.06 WND 263 9961 -44.8 -71.4 4 26.6 -45.4 295 80 334.6 334.6 293.0 334.6 0.01 Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: 858.90 mb = 1413.85 m = 4638.55 ft Wetbulb zero: 868.00 mb = 1325.46 m = 4348.58 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 71.13 % Est. max temperature: 11.13 C = 52.03 F Sfc-Lift cond lev (LCL): 898.16 mb = 1049.20 m = 3442.21 ft T: 3.15 C 700-500 lapse rate: 5.68 C/km ThetaE index: 2.37 C Layer 925.0- 734.0 mb Conv cond level (CCL): 863.92 mb = 1363.64 m = 4473.83 ft Mean mixing ratio: 4.57 g/kg Conv temperature: 10.81 C = 51.46 F Cap Strength: 6.47 C Lifted Index: 6.38 C Risk: None Lifted Index @300 mb: 13.45 C Lifted Index @700 mb: 0.98 C Showalter Index: 6.79 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 22.90 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 86.00 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.34 J/kg Max Up Vert Vel: 4.32 m/s Conv Inhibition (B-): 5.73 J/kg Cap Strength: 6.45 C Lift Cond Lev (LCL): 871.69 mb = 1291.17 m = 4236.08 ft Lev Free Conv (LFC): 846.69 mb = 1526.05 m = 5006.67 ft Equ Level (EL): 766.69 mb = 2307.75 m = 7571.28 ft B at Equ Level: 9.31 J/kg Max Parcel Lev (MPL): 706.69 mb = 2943.63 m = 9657.45 ft Wind level data Storm motion: 339 at 24 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 ---------------------------------------------------------- 0 984 306 305 5 4.1 -2.9 | 167 20 -4.7 19.7 1 948 610 280 21 20.7 -3.6 | 212 22 11.9 18.9 2 925 811 280 21 20.7 -3.6 | 212 22 11.9 18.9 3 913 914 280 21 20.7 -3.6 | 212 22 11.9 18.9 4 879 1219 290 19 17.9 -6.5 | 209 18 9.1 16.0 5 850 1495 295 21 19.0 -8.9 | 217 17 10.2 13.6 6 815 1829 295 20 18.1 -8.5 | 214 17 9.3 14.1 7 784 2134 305 22 18.0 -12.6 | 223 14 9.2 9.9 8 754 2438 305 24 19.7 -13.8 | 231 14 10.9 8.8 9 725 2743 310 28 21.4 -18.0 | 250 13 12.7 4.5 10 700 3017 325 28 16.1 -22.9 | 273 7 7.3 -0.4 11 697 3048 325 28 16.1 -22.9 | 273 7 7.3 -0.4 12 643 3658 315 37 26.2 -26.2 | 282 18 17.4 -3.6 13 593 4267 310 40 30.6 -25.7 | 278 22 21.8 -3.2 14 547 4877 310 43 32.9 -27.6 | 282 25 24.1 -5.1 15 500 5550 315 44 31.1 -31.1 | 291 24 22.3 -8.6 16 463 6096 310 47 36.0 -30.2 | 286 28 27.2 -7.7 17 400 7150 310 53 40.6 -34.1 | 290 34 31.8 -11.5 18 373 7620 310 55 42.1 -35.4 | 291 36 33.3 -12.8 19 300 9090 310 58 44.4 -37.3 | 292 39 35.6 -14.8 20 298 9144 310 58 44.4 -37.3 | 292 39 35.6 -14.8 21 297 9156 310 58 44.4 -37.3 | 292 39 35.6 -14.8 22 263 9961 295 80 72.5 -33.8 | 280 65 63.7 -11.3 23 259 10058 295 80 72.5 -33.8 | 280 65 63.7 -11.3 24 250 10300 300 71 61.5 -35.5 | 284 54 52.7 -13.0 25 237 10668 300 75 65.0 -37.5 | 285 58 56.2 -15.0 26 200 11800 295 71 64.3 -30.0 | 278 56 55.6 -7.5 27 172 12802 295 69 62.5 -29.2 | 277 54 53.7 -6.6 28 150 13720 300 57 49.4 -28.5 | 278 41 40.6 -6.0 29 119 15240 300 51 44.2 -25.5 | 275 35 35.4 -3.0 30 114 15545 305 43 35.2 -24.7 | 275 27 26.4 -2.1 31 100 16390 290 38 35.7 -13.0 | 251 29 26.9 9.5 32 94 16764 290 38 35.7 -13.0 | 251 29 26.9 9.5 33 78 17983 300 34 29.4 -17.0 | 255 21 20.7 5.5 34 75 18288 285 31 29.9 -8.0 | 236 26 21.1 14.5 35 71 18593 300 36 31.2 -18.0 | 259 23 22.4 4.5 36 70 18700 290 23 21.6 -7.9 | 221 19 12.8 14.7 37 68 18898 285 24 23.2 -6.2 | 221 22 14.4 16.3 38 65 19202 305 18 14.7 -10.3 | 206 14 6.0 12.2 39 62 19507 285 22 21.3 -5.7 | 217 21 12.5 16.8 40 59 19812 310 21 16.1 -13.5 | 219 12 7.3 9.0 41 54 20422 325 18 10.3 -14.7 | 191 8 1.5 7.8 42 51 20726 280 11 10.8 -1.9 | 186 21 2.0 20.6 43 50 20890 315 17 12.0 -12.0 | 197 11 3.2 10.5 44 49 21031 320 19 12.2 -14.6 | 203 9 3.4 8.0 45 47 21336 295 17 15.4 -7.2 | 203 17 6.6 15.3 46 45 21641 330 21 10.5 -18.2 | 201 5 1.7 4.3 47 43 21946 350 19 3.3 -18.7 | 125 7 -5.5 3.8 48 41 22250 325 10 5.7 -8.2 | 168 15 -3.1 14.3 49 39 22555 20 13 -4.4 -12.2 | 128 17 -13.2 10.3 50 35 23165 345 1 0.3 -1.0 | 158 23 -8.5 21.6 51 30 24240 5 6 -0.5 -6.0 | 151 19 -9.3 16.5 52 24 25603 55 12 -9.8 -6.9 | 130 24 -18.6 15.6 53 23 25908 90 10 -10.0 0.0 | 140 29 -18.8 22.5 54 22 26213 50 4 -3.1 -2.6 | 149 23 -11.9 20.0 55 21 26518 25 10 -4.2 -9.1 | 136 19 -13.0 13.5 56 20 26920 70 24 -22.6 -8.2 | 115 34 -31.3 14.3 57 19 27127 35 22 -12.6 -18.0 | 102 22 -21.4 4.5 58 19 27432 70 24 -22.6 -8.2 | 115 34 -31.3 14.3 59 17 28042 85 16 -15.9 -1.4 | 131 33 -24.7 21.1 60 16 28346 115 10 -9.1 4.2 | 146 32 -17.9 26.7 61 15 28956 60 2 -1.7 -1.0 | 154 24 -10.5 21.5 62 14 29261 55 10 -8.2 -5.7 | 135 24 -17.0 16.8 63 14 29566 70 10 -9.4 -3.4 | 136 26 -18.2 19.1 64 12 30175 55 10 -8.2 -5.7 | 135 24 -17.0 16.8 65 10 31660 40 20 -12.9 -15.3 | 108 23 -21.6 7.2 Wind Parameters Mean winds (0-6000m): 308.7 at 32.2 knts Storm direction: 338.7 at 24.2 knts Shear (0-3000m) pos: 3.6 neg: 2.8 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 114.0 deg Storm rel helicity (0-3000m) pos: 133.0 neg: -8.7 tot: 124.4 m^2/s^2 ave: 41.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 48.62 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 ------------------------------------------------------------------------------- 500 282 16 200 20| 0.0 17.1 17.1| 76.2 0.0 76.2 152.4 0.89| 17.6 15.7 1000 284 18 206 20| 2.2 8.5 10.8| 79.3 -4.7 74.6 74.6 0.69| 11.2 7.7 1500 288 19 209 19| 1.9 5.7 7.6| 86.5 -8.7 77.8 51.9 0.64| 8.4 5.4 2000 292 20 212 18| 2.5 4.3 6.8|100.3 -8.7 91.6 45.8 0.65| 7.6 4.9 2500 296 21 216 17| 3.2 3.4 6.6|122.5 -8.7 113.8 45.5 0.70| 7.5 5.2 3000 301 22 223 15| 3.6 2.8 6.4|133.0 -8.7 124.4 41.5 0.64| 7.9 5.1 4000 306 26 240 14| 2.7 3.5 6.2|134.1 -14.7 119.4 29.8 0.51| 7.3 3.7 5000 307 29 252 15| 2.4 3.0 5.4|158.4 -14.7 143.7 28.7 0.52| 6.4 3.4 6000 309 32 262 17| 2.0 3.0 5.0|169.4 -29.6 139.8 23.3 0.46| 6.0 2.8 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250626.00.gif