UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 23 APR 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 110 SFC 976 306 2.0 0.7 91 1.3 1.4 80 3 277.1 277.8 275.8 288.3 4.12 2 925 737 -1.3 -1.3 100 0.0 -1.3 95 19 278.0 278.6 275.8 288.3 3.75 3 850 1406 -5.3 -5.4 99 0.1 -5.3 145 14 280.6 281.1 276.2 289.1 3.00 4 775 2127 -8.9 -9.3 97 0.4 -9.0 66 14 284.2 284.7 277.3 291.3 2.44 5 751 2371 -7.3 -8.6 90 1.3 -7.8 84 11 288.5 289.0 279.7 296.3 2.66 6 700 2917 -9.7 -10.1 97 0.4 -9.8 105 5 291.7 292.2 281.0 299.3 2.53 7 623 3813 -11.3 -12.5 91 1.2 -11.7 305 7 299.8 300.2 284.2 307.0 2.35 8 611 3962 -10.9 -12.6 87 1.7 -11.5 259 10 301.9 302.4 285.1 309.3 2.37 9 550 4761 -16.3 -17.8 88 1.5 -16.7 265 15 304.7 305.1 285.4 310.2 1.71 10 517 5223 -19.5 -21.0 88 1.5 -19.8 268 14 306.3 306.6 285.6 310.8 1.39 11 509 5338 -20.5 -23.7 75 3.2 -21.2 269 13 306.5 306.7 285.4 310.1 1.11 12 500 5470 -21.5 -24.0 80 2.5 -22.0 270 13 306.8 307.0 285.5 310.4 1.10 13 488 5649 -22.9 -23.9 91 1.0 -23.1 271 13 307.2 307.5 285.7 311.0 1.14 14 426 6634 -29.7 -32.8 74 3.1 -30.1 247 12 310.7 310.8 286.3 312.7 0.57 15 400 7080 -33.7 -36.3 77 2.6 -34.0 225 12 311.2 311.3 286.3 312.7 0.43 16 329 8419 -44.9 -48.8 65 3.9 -45.1 200 7 313.7 313.7 286.8 314.2 0.14 17 326 8480 -45.1 -47.6 76 2.5 -45.2 200 7 314.2 314.3 287.0 314.8 0.16 18 312 8772 -47.3 -52.2 57 4.9 -47.5 200 6 315.1 315.2 287.2 315.5 0.10 19 300 9030 -49.7 -53.6 63 3.9 -49.8 200 5 315.3 315.3 287.3 315.6 0.09 20 279 9500 -53.9 -56.9 69 3.0 -53.9 225 3 315.9 315.9 287.5 316.1 0.06 21 276 9569 -54.3 -57.2 70 2.9 -54.4 228 3 316.3 316.3 287.6 316.5 0.06 22 272 9663 -54.1 -66.1 22 12.0 -54.3 233 3 317.9 317.9 288.1 318.0 0.02 23 269 9734 -54.3 -63.3 32 9.0 -54.5 236 3 318.6 318.6 288.3 318.7 0.03 24 255 10074 -56.1 -67.1 24 11.0 -56.2 195 3 320.8 320.8 289.0 320.9 0.02 25 250 10200 -56.3 -69.3 18 13.0 -56.5 200 4 322.4 322.4 289.5 322.4 0.01 26 231 10701 -56.7 -69.7 18 13.0 -56.9 246 11 329.1 329.1 291.5 329.2 0.01 27 206 11431 -54.3 -76.3 5 22.0 -54.6 250 16 343.9 343.9 295.3 343.9 0.01 28 200 11620 -55.3 -76.3 6 21.0 -55.6 255 17 345.2 345.2 295.6 345.2 0.01 29 198 11684 -55.3 -75.3 7 20.0 -55.6 256 18 346.2 346.2 295.8 346.2 0.01 30 183 12186 -54.7 -79.7 3 25.0 -55.0 262 22 355.1 355.1 297.7 355.1 0.00 31 169 12698 -51.1 -81.1 2 30.0 -51.6 255 19 369.2 369.2 300.4 369.2 0.00 32 150 13470 -52.3 -82.3 2 30.0 -52.8 250 21 380.0 380.0 302.2 380.0 0.00 33 142 13823 -53.3 -83.3 1 30.0 -53.8 253 21 384.2 384.2 302.9 384.2 0.00 34 128 14495 -50.3 -82.3 1 32.0 -51.0 256 25 401.2 401.2 305.3 401.2 0.00 35 109 15534 -53.9 -83.9 1 30.0 -54.5 285 17 413.3 413.3 306.9 413.3 0.00 36 104 15836 -51.9 -82.9 1 31.0 -52.7 274 15 422.7 422.7 308.0 422.7 0.00 37 100 16090 -52.1 -83.1 1 31.0 -52.8 265 14 427.1 427.1 308.5 427.1 0.00 38 90 16771 -53.3 -84.3 1 31.0 -54.0 241 15 437.7 437.7 309.7 437.8 0.00 39 81 17453 -51.5 -83.5 1 32.0 -52.5 291 15 454.8 454.8 311.3 454.8 0.00 40 70 18400 -52.1 -84.1 1 32.0 -53.1 250 22 472.9 472.9 312.9 473.0 0.00 41 50 20570 -51.9 -84.9 1 33.0 -53.3 305 7 521.2 521.2 316.4 521.2 0.01 42 30 23860 -53.1 -86.1 1 33.0 -55.0 90 8 599.9 599.9 320.6 599.9 0.01 43 28 24303 -54.3 -86.3 1 32.0 -56.1 120 17 608.5 608.5 321.0 608.6 0.01 44 27 24538 -51.3 -86.3 1 35.0 -53.8 130 14 623.3 623.3 321.6 623.3 0.01 45 20 26490 -50.9 -85.9 1 35.0 -54.1 45 7 680.4 680.4 323.8 680.5 0.01 46 16 27948 -49.3 -85.3 1 36.0 -53.6 70 11 730.4 730.4 325.4 730.6 0.02 47 14 28822 -50.3 -86.3 1 36.0 -54.6 88 13 755.5 755.5 326.1 755.6 0.02 48 11 30409 -46.7 -84.7 1 38.0 -53.2 76 17 822.5 822.5 327.8 822.7 0.03 49 10 31040 -47.3 -85.3 1 38.0 -53.9 40 13 843.0 843.0 328.2 843.2 0.03 50 9.6 31310 -47.3 -85.3 1 38.0 -54.1 852.9 852.9 328.5 853.1 0.03 51 5.9 34612 -35.9 -78.9 0 43.0 -51.4 1029.8 1029.9 331.6 1031.4 0.13 52 5.0 35755 -38.7 -80.7 0 42.0 -53.3 1067.0 1067.0 332.2 1068.4 0.12 53 4.2 36969 -32.3 -76.3 0 44.0 -52.1 1152.1 1152.3 333.3 1156.1 0.29 TRP 255 10074 -56.1 -67.1 24 11.0 -56.2 195 3 320.8 320.8 289.0 320.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5360.00 m Freezing level: 945.09 mb = 567.21 m = 1860.91 ft Wetbulb zero: 949.59 mb = 526.29 m = 1726.65 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 92.91 % Est. max temperature: 6.62 C = 43.92 F Sfc-Lift cond lev (LCL): 956.40 mb = 468.92 m = 1538.45 ft T: 0.75 C 700-500 lapse rate: 4.62 C/km ThetaE index: 0.01 C Layer 925.0- 850.0 mb Conv cond level (CCL): 921.19 mb = 769.64 m = 2525.05 ft Mean mixing ratio: 3.72 g/kg Conv temperature: 3.03 C = 37.45 F Cap Strength: 15.75 C Lifted Index: 15.89 C Risk: None Lifted Index @300 mb: 19.07 C Lifted Index @700 mb: 6.92 C Showalter Index: 15.42 C Risk: None Total Totals Index: 32.30 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 16.10 C K Index: 10.40 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 4.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.20 J/kg Max Up Vert Vel: 4.52 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 15.87 C Lift Cond Lev (LCL): 920.04 mb = 779.50 m = 2557.39 ft Lev Free Conv (LFC): 915.04 mb = 822.62 m = 2698.84 ft Equ Level (EL): 905.04 mb = 909.56 m = 2984.07 ft B at Equ Level: 10.04 J/kg Max Parcel Lev (MPL): 825.04 mb = 1638.51 m = 5375.61 ft Wind level data Storm motion: 240 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 ---------------------------------------------------------- 0 976 306 80 3 -3.0 -0.5 | 65 12 -10.5 -4.8 1 940 610 90 15 -15.0 0.0 | 79 23 -22.5 -4.3 2 925 737 95 19 -18.9 1.7 | 84 27 -26.4 -2.7 3 904 914 110 22 -20.7 7.5 | 96 28 -28.2 3.2 4 870 1219 135 20 -14.1 14.1 | 114 24 -21.7 9.8 5 850 1406 145 14 -8.0 11.5 | 115 17 -15.5 7.1 6 837 1524 145 15 -8.6 12.3 | 116 18 -16.1 8.0 7 805 1829 95 5 -5.0 0.4 | 73 13 -12.5 -3.9 8 774 2134 65 14 -12.7 -5.9 | 63 23 -20.2 -10.2 9 744 2438 90 10 -10.0 0.0 | 76 18 -17.5 -4.3 10 716 2743 115 7 -6.3 3.0 | 84 14 -13.9 -1.4 11 700 2917 105 5 -4.8 1.3 | 76 13 -12.3 -3.0 12 661 3353 230 2 1.5 1.3 | 63 7 -6.0 -3.0 13 635 3658 350 5 0.9 -4.9 | 36 11 -6.6 -9.3 14 610 3962 255 10 9.7 2.6 | 309 3 2.1 -1.7 15 586 4267 265 13 13.0 1.1 | 300 6 5.4 -3.2 16 541 4877 265 15 14.9 1.3 | 292 8 7.4 -3.0 17 500 5470 270 13 13.0 -0.0 | 308 7 5.5 -4.3 18 458 6096 275 14 13.9 -1.2 | 311 8 6.4 -5.5 19 439 6401 240 11 9.5 5.5 | 240 2 2.0 1.2 20 421 6706 250 12 11.3 4.1 | 273 4 3.8 -0.2 21 400 7080 225 12 8.5 8.5 | 193 4 1.0 4.2 22 369 7620 200 9 3.1 8.5 | 133 6 -4.4 4.1 23 300 9030 200 5 1.7 4.7 | 94 6 -5.8 0.4 24 295 9144 210 4 2.0 3.5 | 81 6 -5.5 -0.9 25 256 10058 250 2 1.9 0.7 | 57 7 -5.6 -3.6 26 255 10074 195 3 0.8 2.9 | 78 7 -6.7 -1.4 27 250 10200 200 4 1.4 3.8 | 85 6 -6.1 -0.6 28 232 10668 245 11 10.0 4.6 | 263 2 2.5 0.3 29 221 10973 255 11 10.6 2.8 | 295 3 3.1 -1.5 30 211 11278 255 18 17.4 4.7 | 268 10 9.9 0.3 31 201 11582 245 14 12.7 5.9 | 253 5 5.2 1.6 32 200 11620 255 17 16.4 4.4 | 270 9 8.9 0.1 33 175 12497 265 24 23.9 2.1 | 278 17 16.4 -2.2 34 166 12802 250 17 16.0 5.8 | 260 9 8.5 1.5 35 159 13106 275 19 18.9 -1.7 | 298 13 11.4 -6.0 36 151 13411 240 14 12.1 7.0 | 240 5 4.6 2.7 37 150 13470 250 21 19.7 7.2 | 257 13 12.2 2.9 38 144 13716 260 19 18.7 3.3 | 275 11 11.2 -1.0 39 138 14021 240 25 21.7 12.5 | 240 16 14.1 8.2 40 114 15240 280 24 23.6 -4.2 | 298 18 16.1 -8.5 41 109 15545 285 17 16.4 -4.4 | 314 12 8.9 -8.7 42 100 16090 265 14 13.9 1.2 | 296 7 6.4 -3.1 43 99 16154 280 18 17.7 -3.1 | 306 13 10.2 -7.5 44 94 16459 265 14 13.9 1.2 | 296 7 6.4 -3.1 45 90 16764 240 15 13.0 7.5 | 240 6 5.5 3.2 46 86 17069 265 22 21.9 1.9 | 279 15 14.4 -2.4 47 82 17374 300 16 13.9 -8.0 | 333 14 6.3 -12.3 48 78 17678 265 13 13.0 1.1 | 300 6 5.4 -3.2 49 75 17983 300 10 8.7 -5.0 | 353 9 1.1 -9.3 50 71 18288 245 12 10.9 5.1 | 258 3 3.4 0.7 51 70 18400 250 22 20.7 7.5 | 256 14 13.2 3.2 52 68 18593 250 22 20.7 7.5 | 256 14 13.2 3.2 53 65 18898 275 21 20.9 -1.8 | 295 15 13.4 -6.2 54 62 19202 270 17 17.0 -0.0 | 295 10 9.5 -4.3 55 59 19507 290 21 19.7 -7.2 | 313 17 12.2 -11.5 56 56 19812 340 10 3.4 -9.4 | 17 14 -4.1 -13.7 57 54 20117 235 10 8.2 5.7 | 206 2 0.7 1.4 58 51 20422 260 19 18.7 3.3 | 275 11 11.2 -1.0 59 50 20570 305 7 5.7 -4.0 | 12 9 -1.8 -8.3 60 44 21336 20 7 -2.4 -6.6 | 42 15 -9.9 -10.9 61 37 22555 0 0 -0.0 -0.0 | 60 9 -7.5 -4.3 62 33 23165 115 15 -13.6 6.3 | 95 21 -21.1 2.0 63 32 23470 90 13 -13.0 0.0 | 78 21 -20.5 -4.3 64 30 23860 90 8 -8.0 0.0 | 74 16 -15.5 -4.3 65 29 24079 120 15 -13.0 7.5 | 99 21 -20.5 3.2 66 28 24384 120 18 -15.6 9.0 | 101 24 -23.1 4.7 67 26 24689 140 10 -6.4 7.7 | 103 14 -13.9 3.3 68 25 24994 140 4 -2.6 3.1 | 83 10 -10.1 -1.3 69 24 25298 90 10 -10.0 0.0 | 76 18 -17.5 -4.3 70 23 25603 105 13 -12.6 3.4 | 87 20 -20.1 -1.0 71 22 25908 85 10 -10.0 -0.9 | 73 18 -17.5 -5.2 72 21 26213 100 21 -20.7 3.6 | 89 28 -28.2 -0.7 73 20 26490 45 7 -4.9 -4.9 | 53 16 -12.5 -9.3 74 20 26518 85 14 -13.9 -1.2 | 76 22 -21.5 -5.5 75 19 26822 80 4 -3.9 -0.7 | 66 13 -11.5 -5.0 76 18 27127 50 10 -7.7 -6.4 | 55 19 -15.2 -10.8 77 17 27432 75 11 -10.6 -2.8 | 68 20 -18.1 -7.2 78 17 27737 70 12 -11.3 -4.1 | 66 21 -18.8 -8.4 79 15 28346 70 10 -9.4 -3.4 | 65 19 -16.9 -7.7 80 14 28651 100 10 -9.8 1.7 | 82 18 -17.4 -2.6 81 14 28956 80 15 -14.8 -2.6 | 73 23 -22.3 -6.9 82 13 29261 100 11 -10.8 1.9 | 82 19 -18.3 -2.4 83 13 29566 95 20 -19.9 1.7 | 85 28 -27.4 -2.6 84 12 29870 80 16 -15.8 -2.8 | 73 24 -23.3 -7.1 85 11 30175 90 18 -18.0 0.0 | 80 26 -25.5 -4.3 86 10 31040 40 13 -8.4 -10.0 | 48 21 -15.9 -14.3 Wind Parameters Mean winds (0-6000m): 210.1 at 11.6 knts Storm direction: 240.1 at 8.7 knts Shear (0-3000m) pos: 3.1 neg: 2.6 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 3.0 deg Storm rel helicity (0-3000m) pos: 171.2 neg: -75.7 tot: 95.5 m^2/s^2 ave: 31.8 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 13.7 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 56.40 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 92 13 79 20| 17.9 0.0 17.9| 48.4 0.0 48.4 96.9 0.46| 19.0 8.7 1000 110 17 93 23| 8.2 0.0 8.2|133.5 0.0 133.5 133.5 0.60| 17.8 10.6 1500 118 15 97 21| 5.5 4.6 10.1|135.5 -50.0 85.4 57.0 0.18| 17.7 3.2 2000 110 14 91 21| 4.1 3.9 8.0|148.6 -65.9 82.7 41.3 0.13| 16.3 2.2 2500 107 13 89 20| 3.8 3.2 6.9|166.6 -68.1 98.6 39.4 0.16| 14.7 2.4 3000 108 11 88 18| 3.1 2.6 5.8|171.2 -75.7 95.5 31.8 0.13| 13.7 1.7 4000 112 10 88 17| 1.9 1.5 3.5|171.2-101.5 69.6 17.4 -0.04| 13.3 -0.6 5000 141 11 106 15| 1.4 1.3 2.7|174.0-103.1 70.9 14.2 -0.04| 11.0 -0.4 6000 210 12 163 6| 1.1 0.7 1.8|175.7-108.4 67.3 11.2 -0.06| 9.8 -0.5 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250423.00.gif