UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052912.upa.cvt Date: 1200Z 29 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 29 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 50 SFC 970 306 18.0 1.0 32 17.0 9.3 240 11 293.7 294.5 283.8 306.1 4.24 2 930 669 15.2 -0.8 33 16.0 7.4 258 36 294.4 295.1 283.7 305.8 3.87 3 925 715 15.6 -0.4 33 16.0 7.7 260 39 295.3 296.0 284.2 307.1 4.01 4 913 826 16.6 -0.4 31 17.0 8.0 266 39 297.4 298.1 285.1 309.5 4.06 5 850 1429 11.4 -2.6 37 14.0 4.8 270 38 298.1 298.8 285.0 309.2 3.71 6 723 2749 -1.3 -5.7 72 4.4 -3.1 275 31 298.3 298.9 284.8 308.7 3.45 7 710 2894 -1.9 -10.9 50 9.0 -5.2 275 33 299.2 299.6 284.0 306.4 2.34 8 708 2916 -0.7 -21.7 19 21.0 -6.7 275 34 300.7 300.9 282.9 303.8 0.95 9 702 2984 0.0 -27.0 11 27.0 -7.0 275 35 302.2 302.3 283.1 304.2 0.60 10 700 3007 0.0 -28.0 10 28.0 -7.0 275 35 302.5 302.6 283.1 304.3 0.55 11 668 3380 -1.7 -34.7 6 33.0 -8.7 275 41 304.7 304.7 283.7 305.7 0.30 12 609 4107 -7.7 -33.7 10 26.0 -12.9 274 43 305.9 306.0 284.2 307.2 0.36 13 594 4301 -6.9 -43.9 3 37.0 -12.9 265 42 309.0 309.0 285.1 309.5 0.13 14 593 4314 -6.7 -39.7 5 33.0 -12.6 265 42 309.4 309.4 285.4 310.1 0.20 15 527 5222 -13.9 -29.9 25 16.0 -17.2 275 35 311.4 311.5 286.5 313.5 0.61 16 521 5309 -13.7 -38.7 10 25.0 -17.8 274 36 312.6 312.7 286.6 313.6 0.26 17 500 5620 -15.9 -44.9 6 29.0 -19.7 270 43 313.7 313.7 286.8 314.2 0.14 18 487 5818 -16.5 -51.5 3 35.0 -20.4 255 46 315.3 315.3 287.3 315.5 0.07 19 482 5895 -16.9 -51.9 3 35.0 -20.8 257 45 315.7 315.7 287.4 316.0 0.07 20 412 7048 -27.1 -41.1 25 14.0 -28.7 264 44 317.1 317.1 288.1 318.0 0.25 21 400 7260 -28.5 -44.5 20 16.0 -30.1 265 44 317.9 318.0 288.3 318.6 0.18 22 354 8125 -34.9 -59.9 6 25.0 -36.1 260 50 320.6 320.6 289.0 320.8 0.03 23 339 8427 -37.1 -55.1 14 18.0 -38.1 263 51 321.6 321.7 289.3 321.9 0.06 24 300 9260 -44.3 -57.3 22 13.0 -44.7 275 49 322.9 322.9 289.7 323.1 0.06 25 277 9787 -48.3 -60.3 24 12.0 -48.6 275 46 324.6 324.6 290.2 324.8 0.04 26 256 10298 -52.9 -55.6 72 2.7 -53.0 275 44 325.2 325.2 290.4 325.5 0.08 27 250 10450 -54.3 -57.2 70 2.9 -54.4 275 43 325.3 325.4 290.5 325.6 0.07 28 244 10605 -55.7 -58.2 73 2.5 -55.8 271 43 325.5 325.5 290.5 325.8 0.06 29 235 10843 -57.9 -61.4 64 3.5 -58.0 269 43 325.7 325.7 290.5 325.9 0.04 30 214 11428 -60.9 -65.9 52 5.0 -61.0 265 42 329.9 329.9 291.7 330.0 0.03 31 206 11665 -59.3 -69.3 26 10.0 -59.4 271 45 336.0 336.0 293.3 336.1 0.02 32 200 11850 -60.1 -69.1 30 9.0 -60.2 275 48 337.6 337.6 293.7 337.7 0.02 33 193 12073 -58.7 -72.7 15 14.0 -58.9 278 49 343.3 343.3 295.1 343.3 0.01 34 187 12271 -59.1 -74.1 13 15.0 -59.3 284 47 345.8 345.8 295.7 345.8 0.01 35 172 12804 -52.1 -83.1 1 31.0 -52.5 304 37 365.7 365.7 299.8 365.7 0.00 36 161 13233 -51.7 -84.7 1 33.0 -52.2 273 30 373.4 373.4 301.1 373.4 0.00 37 150 13690 -53.5 -84.5 1 31.0 -53.9 285 38 377.9 377.9 301.9 377.9 0.00 38 143 13996 -54.1 -85.1 1 31.0 -54.5 285 37 382.0 382.0 302.6 382.1 0.00 39 131 14559 -53.5 -85.5 1 32.0 -54.0 297 32 392.8 392.8 304.2 392.8 0.00 40 117 15280 -56.5 -87.5 1 31.0 -56.9 308 27 400.2 400.2 305.2 400.2 0.00 41 109 15730 -54.5 -87.5 1 33.0 -55.0 293 21 412.1 412.1 306.7 412.1 0.00 42 100 16280 -55.7 -87.7 1 32.0 -56.2 310 26 420.1 420.1 307.7 420.1 0.00 43 80 17706 -54.1 -88.1 1 34.0 -54.8 295 15 451.1 451.1 311.0 451.1 0.00 44 70 18560 -55.7 -88.7 1 33.0 -56.4 335 16 465.2 465.2 312.3 465.2 0.00 45 69 18652 -55.7 -88.7 1 33.0 -56.4 322 13 467.1 467.1 312.4 467.2 0.00 46 50 20720 -54.1 -88.1 1 34.0 -55.2 355 17 516.0 516.0 316.1 516.0 0.00 47 36 22844 -49.9 -87.9 0 38.0 -52.2 5 14 577.7 577.7 319.6 577.7 0.00 48 30 24030 -51.5 -88.5 0 37.0 -53.8 60 18 604.2 604.2 320.8 604.3 0.01 49 23 25775 -46.1 -85.1 0 39.0 -50.4 105 12 667.8 667.8 323.3 667.9 0.01 50 20 26700 -48.1 -87.1 0 39.0 -52.2 120 14 688.9 688.9 324.1 689.0 0.01 51 14 29090 -40.7 -81.7 0 41.0 -49.1 80 10 788.0 788.0 327.0 788.3 0.04 52 10 31390 -38.9 -80.9 0 42.0 -49.8 65 14 874.3 874.4 328.9 874.9 0.06 53 9.4 31816 -37.1 -79.1 0 42.0 -49.3 896.8 896.8 329.4 897.6 0.08 54 9.1 32040 -37.5 -79.5 0 42.0 -49.7 903.6 903.7 329.5 904.4 0.08 55 7.0 33885 -28.7 -73.7 0 45.0 -47.9 1010.4 1010.6 331.4 1013.5 0.25 TRP 214 11428 -60.9 -65.9 52 5.0 -61.0 265 42 329.9 329.9 291.7 330.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5570.00 m Freezing level: 736.00 mb = 2614.00 m = 8576.00 ft Freezing level: 702.00 mb = 2984.15 m = 9790.40 ft Freezing level: 700.00 mb = 3007.00 m = 9865.37 ft Wetbulb zero: 773.48 mb = 2198.54 m = 7212.96 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 27.56 % Est. max temperature: 22.45 C = 72.40 F Sfc-Lift cond lev (LCL): 751.39 mb = 2434.88 m = 7988.37 ft T: 1.72 C 700-500 lapse rate: 6.08 C/km ThetaE index: 5.72 C Layer 850.0- 702.0 mb Conv cond level (CCL): 628.59 mb = 3857.86 m = 12656.86 ft Mean mixing ratio: 4.00 g/kg Conv temperature: 29.69 C = 85.44 F Cap Strength: 7.61 C Lifted Index: 7.81 C Risk: None Lifted Index @300 mb: 10.88 C Lifted Index @700 mb: 5.20 C Showalter Index: 6.87 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 13.30 C K Index: -3.30 Risk: None Sweat Index: 119.00 Risk: None Energy Index: 1.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.74 J/kg Max Up Vert Vel: 7.03 m/s Conv Inhibition (B-): 73897.05 J/kg Cap Strength: 7.73 C Lift Cond Lev (LCL): 718.66 mb = 2797.12 m = 9176.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 29 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 ---------------------------------------------------------- 0 970 306 240 11 9.5 5.5 | 141 25 -15.7 19.2 1 936 610 255 32 30.9 8.3 | 195 23 5.7 22.0 2 925 715 260 39 38.4 6.8 | 213 24 13.2 20.5 3 903 914 270 39 39.0 -0.0 | 225 19 13.8 13.7 4 871 1219 270 38 38.0 -0.0 | 223 19 12.8 13.7 5 850 1429 270 38 38.0 -0.0 | 223 19 12.8 13.7 6 809 1829 265 39 38.9 3.4 | 219 22 13.6 17.1 7 779 2134 270 37 37.0 -0.0 | 221 18 11.8 13.7 8 751 2438 270 34 34.0 -0.0 | 213 16 8.8 13.7 9 723 2743 275 31 30.9 -2.7 | 207 12 5.7 11.0 10 700 3007 275 35 34.9 -3.1 | 222 14 9.6 10.6 11 644 3658 275 45 44.8 -3.9 | 244 22 19.6 9.8 12 619 3962 280 44 43.3 -7.6 | 252 19 18.1 6.0 13 595 4267 265 42 41.8 3.7 | 224 24 16.6 17.3 14 572 4572 260 40 39.4 6.9 | 214 25 14.2 20.6 15 550 4877 270 36 36.0 -0.0 | 218 17 10.8 13.7 16 529 5182 275 34 33.9 -3.0 | 219 14 8.7 10.7 17 500 5620 270 43 43.0 -0.0 | 232 22 17.8 13.7 18 488 5791 255 46 44.4 11.9 | 217 32 19.2 25.6 19 469 6096 260 43 42.3 7.5 | 219 27 17.1 21.2 20 400 7260 265 44 43.8 3.8 | 227 26 18.6 17.5 21 380 7620 260 44 43.3 7.6 | 220 28 18.1 21.3 22 348 8230 260 52 51.2 9.0 | 229 35 26.0 22.7 23 305 9144 275 48 47.8 -4.2 | 247 25 22.6 9.5 24 300 9260 275 49 48.8 -4.3 | 248 25 23.6 9.4 25 250 10450 275 43 42.8 -3.7 | 241 20 17.6 9.9 26 241 10668 270 43 43.0 -0.0 | 232 22 17.8 13.7 27 219 11278 265 42 41.8 3.7 | 224 24 16.6 17.3 28 214 11428 265 42 41.8 3.7 | 224 24 16.6 17.3 29 200 11850 275 48 47.8 -4.2 | 247 25 22.6 9.5 30 190 12192 280 49 48.3 -8.5 | 257 24 23.0 5.2 31 172 12802 305 37 30.3 -21.2 | 326 9 5.1 -7.5 32 164 13106 270 28 28.0 -0.0 | 191 14 2.8 13.7 33 150 13690 285 38 36.7 -9.8 | 251 12 11.5 3.9 34 149 13716 280 39 38.4 -6.8 | 242 15 13.2 6.9 35 118 15240 310 27 20.7 -17.4 | 51 6 -4.5 -3.7 36 112 15545 290 24 22.6 -8.2 | 154 6 -2.7 5.5 37 107 15850 295 19 17.2 -8.0 | 125 10 -8.0 5.7 38 100 16280 310 26 19.9 -16.7 | 60 6 -5.3 -3.0 39 97 16459 310 27 20.7 -17.4 | 51 6 -4.5 -3.7 40 93 16764 335 19 8.0 -17.2 | 78 18 -17.2 -3.5 41 84 17374 310 11 8.4 -7.1 | 112 18 -16.8 6.6 42 80 17678 290 14 13.2 -4.8 | 126 15 -12.1 8.9 43 77 17983 340 22 7.5 -20.7 | 68 19 -17.7 -7.0 44 73 18288 350 14 2.4 -13.8 | 90 23 -22.8 -0.1 45 70 18560 335 16 6.8 -14.5 | 87 18 -18.5 -0.8 46 70 18593 320 13 8.4 -10.0 | 102 17 -16.9 3.7 47 63 19202 340 16 5.5 -15.0 | 86 20 -19.7 -1.3 48 60 19507 5 12 -1.0 -12.0 | 94 26 -26.3 1.7 49 58 19812 355 7 0.6 -7.0 | 105 26 -24.6 6.7 50 55 20117 340 14 4.8 -13.2 | 91 20 -20.4 0.5 51 52 20422 285 11 10.6 -2.8 | 127 18 -14.6 10.8 52 50 20720 355 17 1.5 -16.9 | 82 24 -23.7 -3.2 53 50 20726 285 14 13.5 -3.6 | 131 15 -11.7 10.1 54 48 21031 345 18 4.7 -17.4 | 80 21 -20.6 -3.7 55 45 21336 350 10 1.7 -9.8 | 99 24 -23.5 3.8 56 43 21641 30 13 -6.5 -11.3 | 94 32 -31.7 2.4 57 41 21946 50 10 -7.7 -6.4 | 102 34 -32.9 7.3 58 39 22250 330 10 5.0 -8.7 | 104 21 -20.2 5.0 59 38 22555 10 14 -2.4 -13.8 | 90 28 -27.7 -0.1 60 36 22860 5 14 -1.2 -13.9 | 89 26 -26.4 -0.3 61 34 23165 55 10 -8.2 -5.7 | 103 34 -33.4 8.0 62 33 23470 5 1 -0.1 -1.0 | 117 28 -25.3 12.7 63 31 23774 10 10 -1.7 -9.8 | 98 27 -27.0 3.8 64 30 24030 60 18 -15.6 -9.0 | 97 41 -40.8 4.7 65 30 24079 35 24 -13.8 -19.7 | 81 39 -39.0 -6.0 66 28 24384 60 21 -18.2 -10.5 | 94 44 -43.4 3.2 67 26 24994 65 6 -5.4 -2.5 | 110 33 -30.7 11.2 68 24 25603 85 13 -13.0 -1.1 | 108 40 -38.2 12.6 69 22 26213 155 10 -4.2 9.1 | 128 37 -29.4 22.7 70 21 26518 150 10 -5.0 8.7 | 126 38 -30.2 22.3 71 20 26700 120 14 -12.1 7.0 | 119 43 -37.3 20.7 72 20 26822 110 10 -9.4 3.4 | 116 39 -34.6 17.1 73 19 27127 115 15 -13.6 6.3 | 117 44 -38.8 20.0 74 18 27432 215 5 2.9 4.1 | 129 29 -22.4 17.8 75 17 27737 355 10 0.9 -10.0 | 99 25 -24.3 3.7 76 16 28042 45 10 -7.1 -7.1 | 102 33 -32.3 6.6 77 15 28651 55 16 -13.1 -9.2 | 97 39 -38.3 4.5 78 14 28956 70 10 -9.4 -3.4 | 107 36 -34.6 10.3 79 12 30175 150 13 -6.5 11.3 | 128 40 -31.7 24.9 80 10 31390 65 14 -12.7 -5.9 | 102 39 -37.9 7.8 Wind Parameters Mean winds (0-6000m): 268.5 at 38.3 knts Storm direction: 298.5 at 28.7 knts Shear (0-3000m) pos: 4.2 neg: 1.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 93.5 deg Storm rel helicity (0-3000m) pos: 229.5 neg: -25.4 tot: 204.1 m^2/s^2 ave: 68.0 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 6.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.14 Bulk Shear: 21.65 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 ------------------------------------------------------------------------------- 500 256 28 184 21| 30.2 0.0 30.2|187.9 0.0 187.9 375.7 0.97| 33.2 32.1 1000 264 33 204 19| 14.9 0.0 14.9|200.9 -2.6 198.3 198.3 0.90| 18.9 17.0 1500 265 35 210 19| 9.9 1.1 11.1|200.9 -10.5 190.4 126.9 0.79| 13.8 10.8 2000 266 36 213 19| 6.8 0.8 7.6|204.1 -16.5 187.6 93.8 0.68| 11.7 7.9 2500 267 35 213 18| 5.0 0.7 5.7|206.4 -25.4 181.0 72.4 0.58| 10.5 6.0 3000 269 35 214 18| 4.2 1.5 5.7|229.5 -25.4 204.1 68.0 0.60| 10.0 6.1 4000 271 37 222 18| 3.8 1.8 5.6|258.5 -83.9 174.6 43.6 0.39| 10.0 3.9 5000 270 37 221 18| 3.0 1.4 4.4|271.8-104.8 167.1 33.4 0.32| 9.7 3.1 6000 268 38 222 20| 2.7 2.5 5.3|296.5-155.4 141.2 23.5 0.23| 10.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250529.12.gif