UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 8 OCT 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 82 SFC 973 306 4.6 3.0 89 1.6 3.8 220 8 279.9 280.8 278.3 293.4 4.88 2 925 716 1.4 0.9 96 0.5 1.2 260 24 280.7 281.5 278.2 293.0 4.41 3 915 804 0.8 0.8 100 0.0 0.8 267 25 281.0 281.8 278.3 293.3 4.43 4 850 1393 -2.3 -4.9 82 2.6 -3.3 265 26 283.7 284.3 278.0 292.6 3.12 5 843 1459 -2.3 -6.0 76 3.7 -3.7 266 26 284.4 284.9 278.0 292.7 2.89 6 744 2437 -9.5 -10.4 93 0.9 -9.8 265 25 286.9 287.3 278.5 293.7 2.33 7 737 2510 -9.5 -12.1 81 2.6 -10.3 263 26 287.7 288.1 278.5 293.8 2.05 8 718 2711 -10.9 -12.2 90 1.3 -11.3 256 28 288.3 288.7 278.9 294.5 2.09 9 706 2841 -11.3 -15.6 70 4.3 -12.5 258 32 289.3 289.5 278.7 294.1 1.61 10 700 2906 -11.9 -15.9 72 4.0 -13.0 260 34 289.3 289.6 278.6 294.1 1.58 11 647 3504 -15.5 -18.2 80 2.7 -16.2 248 33 291.8 292.1 279.6 296.1 1.41 12 602 4043 -19.9 -19.9 100 0.0 -19.9 230 38 292.8 293.0 279.9 296.8 1.31 13 554 4653 -24.5 -25.1 95 0.6 -24.6 230 45 294.4 294.6 280.1 297.2 0.90 14 550 4706 -25.1 -27.5 80 2.4 -25.5 230 46 294.3 294.4 279.8 296.6 0.73 15 524 5056 -28.1 -31.3 74 3.2 -28.5 232 49 294.8 294.9 279.8 296.5 0.53 16 500 5390 -30.9 -32.7 84 1.8 -31.1 235 52 295.4 295.5 280.0 297.0 0.49 17 489 5547 -32.3 -34.3 82 2.0 -32.5 234 53 295.5 295.6 280.0 296.9 0.43 18 476 5736 -33.7 -36.4 77 2.7 -34.0 231 56 296.1 296.2 280.1 297.3 0.36 19 474 5765 -33.5 -40.5 49 7.0 -34.1 230 57 296.7 296.7 280.2 297.5 0.24 20 473 5780 -33.5 -39.5 55 6.0 -34.0 230 57 296.9 296.9 280.3 297.8 0.26 21 466 5885 -34.1 -40.1 55 6.0 -34.6 229 58 297.4 297.4 280.6 298.2 0.25 22 462 5945 -34.5 -45.5 32 11.0 -35.2 228 59 297.6 297.7 280.5 298.1 0.14 23 460 5975 -33.7 -56.7 8 23.0 -34.7 227 60 299.0 299.0 281.0 299.1 0.04 24 402 6915 -35.1 -62.1 5 27.0 -36.2 230 94 308.9 308.9 284.9 309.0 0.02 25 400 6950 -35.1 -62.1 5 27.0 -36.2 230 95 309.4 309.4 285.1 309.5 0.02 26 392 7092 -33.9 -57.9 7 24.0 -35.1 230 99 312.7 312.7 286.4 312.9 0.04 27 346 7959 -40.1 -58.1 13 18.0 -40.8 230 109 315.7 315.7 287.3 315.9 0.04 28 315 8599 -41.9 -64.9 6 23.0 -42.6 229 112 321.8 321.8 289.3 321.9 0.02 29 303 8863 -43.0 -66.0 6 23.0 -43.7 225 113 323.8 323.8 289.9 323.9 0.02 30 300 8930 -43.3 -66.3 6 23.0 -43.9 225 112 324.3 324.3 290.1 324.4 0.02 31 255 10010 -48.5 -68.5 8 20.0 -48.9 230 108 332.1 332.1 292.3 332.1 0.01 32 250 10140 -47.7 -70.7 5 23.0 -48.2 235 100 335.2 335.2 293.1 335.2 0.01 33 243 10328 -45.5 -72.5 3 27.0 -46.2 235 99 341.2 341.2 294.6 341.2 0.01 34 200 11620 -47.9 -78.9 2 31.0 -48.5 235 85 356.9 356.9 298.1 356.9 0.00 35 150 13510 -49.7 -81.7 1 32.0 -50.4 245 75 384.4 384.4 302.9 384.4 0.00 36 122 14860 -50.9 -83.9 1 33.0 -51.6 241 60 405.6 405.6 305.9 405.7 0.00 37 118 15077 -50.5 -83.5 1 33.0 -51.2 240 58 410.3 410.3 306.6 410.3 0.00 38 107 15713 -52.9 -84.9 1 32.0 -53.5 245 54 417.4 417.4 307.4 417.4 0.00 39 100 16150 -52.3 -85.3 1 33.0 -53.0 250 53 426.7 426.7 308.4 426.7 0.00 40 95 16482 -51.1 -85.1 1 34.0 -52.0 250 52 435.3 435.3 309.4 435.3 0.00 41 83 17347 -56.3 -87.3 1 31.0 -56.9 257 39 441.9 441.9 310.1 441.9 0.00 42 72 18251 -54.5 -86.5 1 32.0 -55.3 267 33 464.0 464.0 312.1 464.1 0.00 43 70 18430 -56.1 -87.1 1 31.0 -56.8 255 29 464.4 464.4 312.1 464.4 0.00 44 66 18805 -56.9 -87.9 1 31.0 -57.5 257 28 470.5 470.5 312.7 470.5 0.00 45 64 19002 -52.9 -86.9 1 34.0 -53.9 258 29 483.4 483.4 313.7 483.5 0.00 46 59 19525 -56.1 -88.1 1 32.0 -56.9 249 19 487.6 487.6 314.1 487.7 0.00 47 50 20580 -56.1 -88.1 1 32.0 -57.0 290 17 511.3 511.3 315.7 511.3 0.00 48 46 21111 -57.7 -88.7 1 31.0 -58.5 265 23 519.8 519.8 316.3 519.8 0.00 49 30 23820 -57.3 -88.3 1 31.0 -58.5 235 22 588.4 588.4 320.0 588.5 0.01 50 20 26400 -54.9 -88.9 1 34.0 -57.1 265 14 668.1 668.1 323.3 668.2 0.01 51 12 29669 -54.5 -88.5 1 34.0 -57.9 261 19 774.6 774.7 326.6 774.7 0.01 TRP 255 10010 -48.5 -68.5 8 20.0 -48.9 230 108 332.1 332.1 292.3 332.1 0.01 WND 303 8863 -43.0 -66.0 6 23.0 -43.7 225 113 323.8 323.8 289.9 323.9 0.02 Sounding variables and indices 1000-500 mb thick: 5308.00 m Freezing level: 898.23 mb = 955.66 m = 3135.35 ft Wetbulb zero: 902.62 mb = 912.56 m = 2993.93 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 86.12 % Est. max temperature: 9.53 C = 49.16 F Sfc-Lift cond lev (LCL): 949.24 mb = 506.36 m = 1661.28 ft T: 3.04 C 700-500 lapse rate: 7.65 C/km ThetaE index: 0.66 C Layer 850.0- 843.0 mb Conv cond level (CCL): 905.61 mb = 886.10 m = 2907.13 ft Mean mixing ratio: 4.34 g/kg Conv temperature: 6.04 C = 42.86 F Cap Strength: 3.02 C Lifted Index: 3.01 C Risk: None Lifted Index @300 mb: 22.19 C Lifted Index @700 mb: 1.67 C Showalter Index: 3.36 C Risk: None Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.60 C Cross Totals Index: 26.00 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 216.00 Risk: None Energy Index: 0.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.92 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 54475.12 J/kg Cap Strength: 2.97 C Lift Cond Lev (LCL): 909.95 mb = 847.85 m = 2781.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 28 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 ---------------------------------------------------------- 0 973 306 220 8 5.1 6.1 | 108 24 -22.6 7.3 1 937 610 250 22 20.7 7.5 | 141 11 -7.1 8.7 2 925 716 260 24 23.6 4.2 | 142 7 -4.1 5.4 3 902 914 275 27 26.9 -2.4 | 36 1 -0.9 -1.2 4 869 1219 270 28 28.0 -0.0 | 192 1 0.2 1.2 5 850 1393 265 26 25.9 2.3 | 152 4 -1.8 3.5 6 804 1829 270 26 26.0 -0.0 | 124 2 -1.8 1.2 7 773 2134 265 26 25.9 2.3 | 152 4 -1.8 3.5 8 743 2438 265 25 24.9 2.2 | 140 4 -2.8 3.4 9 715 2743 255 28 27.0 7.2 | 175 8 -0.7 8.4 10 700 2906 260 34 33.5 5.9 | 219 9 5.7 7.1 11 632 3658 245 33 29.9 13.9 | 188 15 2.2 15.1 12 607 3962 230 38 29.1 24.4 | 183 26 1.4 25.6 13 582 4267 230 40 30.6 25.7 | 186 27 2.9 26.9 14 536 4877 230 48 36.8 30.9 | 196 33 9.0 32.0 15 500 5390 235 52 42.6 29.8 | 206 34 14.8 31.0 16 493 5486 235 52 42.6 29.8 | 206 34 14.8 31.0 17 452 6096 225 62 43.8 43.8 | 200 48 16.1 45.0 18 400 6950 230 95 72.8 61.1 | 216 77 45.0 62.3 19 379 7315 230 105 80.4 67.5 | 217 87 52.7 68.7 20 363 7620 230 107 82.0 68.8 | 218 89 54.2 70.0 21 318 8534 230 112 85.8 72.0 | 218 93 58.0 73.2 22 303 8863 225 113 79.9 79.9 | 213 96 52.2 81.1 23 300 8930 225 112 79.2 79.2 | 213 95 51.4 80.4 24 290 9144 225 111 78.5 78.5 | 212 94 50.7 79.7 25 255 10010 230 108 82.7 69.4 | 218 89 55.0 70.6 26 253 10058 230 110 84.3 70.7 | 218 91 56.5 71.9 27 250 10140 235 100 81.9 57.4 | 223 80 54.2 58.5 28 231 10668 235 97 79.5 55.6 | 222 77 51.7 56.8 29 211 11278 230 82 62.8 52.7 | 213 64 35.1 53.9 30 200 11620 235 85 69.6 48.8 | 220 65 41.9 49.9 31 192 11887 240 89 77.1 44.5 | 227 67 49.3 45.7 32 150 13510 245 75 68.0 31.7 | 231 52 40.2 32.9 33 115 15240 240 56 48.5 28.0 | 215 36 20.7 29.2 34 100 16150 250 53 49.8 18.1 | 229 29 22.1 19.3 35 95 16459 250 53 49.8 18.1 | 229 29 22.1 19.3 36 87 17069 250 34 31.9 11.6 | 198 13 4.2 12.8 37 79 17678 265 46 45.8 4.0 | 254 19 18.1 5.2 38 75 17983 245 35 31.7 14.8 | 194 16 4.0 16.0 39 72 18288 270 33 33.0 -0.0 | 257 5 5.2 1.2 40 70 18430 255 29 28.0 7.5 | 182 9 0.3 8.7 41 68 18593 255 27 26.1 7.0 | 168 8 -1.7 8.2 42 62 19202 260 30 29.5 5.2 | 196 7 1.8 6.4 43 59 19507 250 19 17.9 6.5 | 128 13 -9.9 7.7 44 56 19812 235 25 20.5 14.3 | 155 17 -7.3 15.5 45 54 20117 250 35 32.9 12.0 | 201 14 5.1 13.2 46 50 20580 290 17 16.0 -5.8 | 69 13 -11.8 -4.6 47 47 21031 265 24 23.9 2.1 | 130 5 -3.8 3.3 48 44 21336 265 20 19.9 1.7 | 111 8 -7.8 2.9 49 42 21641 260 27 26.6 4.7 | 169 6 -1.2 5.9 50 40 21946 245 15 13.6 6.3 | 118 16 -14.2 7.5 51 38 22250 250 16 15.0 5.5 | 118 14 -12.7 6.7 52 37 22555 280 13 12.8 -2.3 | 86 15 -14.9 -1.1 53 35 22860 270 9 9.0 -0.0 | 94 19 -18.8 1.2 54 33 23165 235 19 15.6 10.9 | 135 17 -12.2 12.1 55 32 23470 265 24 23.9 2.1 | 130 5 -3.8 3.3 56 30 23774 270 22 22.0 -0.0 | 102 6 -5.8 1.2 57 30 23820 235 22 18.0 12.6 | 145 17 -9.7 13.8 58 29 24079 240 22 19.1 11.0 | 144 15 -8.7 12.2 59 27 24384 270 13 13.0 -0.0 | 95 15 -14.8 1.2 60 25 24994 275 14 13.9 -1.2 | 90 14 -13.8 -0.0 61 24 25298 245 16 14.5 6.8 | 121 15 -13.2 7.9 62 21 26213 250 14 13.2 4.8 | 112 16 -14.6 6.0 63 20 26400 265 14 13.9 1.2 | 100 14 -13.8 2.4 64 19 26518 225 12 8.5 8.5 | 117 22 -19.3 9.7 65 17 26822 270 14 14.0 -0.0 | 95 14 -13.8 1.2 66 16 27127 255 17 16.4 4.4 | 116 13 -11.3 5.6 67 14 27432 255 23 22.2 6.0 | 142 9 -5.5 7.1 68 13 27737 265 19 18.9 1.7 | 108 9 -8.8 2.8 69 9 28956 245 18 16.3 7.6 | 128 14 -11.4 8.8 70 7 29566 250 29 27.3 9.9 | 177 11 -0.5 11.1 71 6 29870 275 28 27.9 -2.4 | 354 1 0.1 -1.3 Wind Parameters Mean winds (0-6000m): 242.4 at 37.0 knts Storm direction: 272.4 at 27.8 knts Shear (0-3000m) pos: 3.7 neg: 2.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 91.6 deg Storm rel helicity (0-3000m) pos: 68.1 neg: -14.3 tot: 53.8 m^2/s^2 ave: 17.9 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 47.64 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 ------------------------------------------------------------------------------- 500 251 18 125 13| 21.3 0.0 21.3| 47.9 -0.7 47.3 94.5 0.41| 24.5 10.1 1000 263 23 127 6| 11.5 0.0 11.5| 48.0 -2.2 45.8 45.8 0.20| 16.7 3.3 1500 265 24 131 5| 7.4 0.0 7.4| 48.0 -3.6 44.4 29.6 0.13| 12.3 1.6 2000 265 24 133 5| 5.6 0.6 6.1| 48.9 -4.0 44.9 22.4 0.14| 9.9 1.4 2500 264 25 140 5| 4.5 1.6 6.0| 59.2 -4.4 54.9 21.9 0.24| 9.5 2.3 3000 263 26 160 5| 3.7 2.0 5.7| 68.1 -14.3 53.8 17.9 0.21| 9.5 2.0 4000 255 29 181 9| 2.8 3.4 6.2| 79.1 -33.6 45.5 11.4 0.12| 9.3 1.1 5000 248 33 190 14| 2.8 3.3 6.1|159.5 -33.6 125.8 25.2 0.21| 8.7 1.9 6000 242 37 196 19| 2.3 4.5 6.8|226.6 -78.1 148.5 24.8 0.18| 9.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251008.00.gif