UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052700.upa.cvt Date: 0000Z 27 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 27 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 191 SFC 986 306 19.2 -1.8 24 21.0 9.0 45 6 293.5 294.1 282.8 303.6 3.39 2 925 854 13.8 -3.2 31 17.0 5.9 30 8 293.4 294.0 282.6 303.1 3.26 3 850 1558 6.8 -4.2 45 11.0 2.0 15 5 293.3 293.9 282.6 303.0 3.29 4 741 2664 -3.5 -7.1 76 3.6 -4.9 1 10 293.8 294.3 282.5 302.8 3.03 5 726 2825 -4.7 -9.0 72 4.3 -6.3 326 8 294.2 294.7 282.3 302.2 2.66 6 721 2879 -4.5 -14.5 46 10.0 -7.7 301 7 295.0 295.3 281.4 300.3 1.72 7 714 2956 -4.9 -15.9 42 11.0 -8.2 266 5 295.4 295.7 281.4 300.2 1.55 8 712 2978 -4.3 -20.3 27 16.0 -8.7 256 5 296.3 296.5 281.2 299.7 1.07 9 700 3112 -4.7 -26.7 16 22.0 -9.8 195 2 297.3 297.4 281.0 299.3 0.61 10 698 3135 -4.7 -30.7 11 26.0 -10.2 189 2 297.5 297.6 280.8 298.9 0.42 11 651 3681 -7.3 -23.3 27 16.0 -11.3 54 1 300.6 300.7 282.8 303.5 0.90 12 637 3850 -7.7 -36.7 8 29.0 -12.9 32 3 302.0 302.0 282.5 302.9 0.26 13 621 4048 -9.1 -41.1 5 32.0 -14.1 6 5 302.6 302.6 282.7 303.2 0.17 14 587 4481 -12.7 -21.7 47 9.0 -15.0 341 9 303.3 303.5 284.2 307.0 1.15 15 567 4745 -14.9 -22.9 50 8.0 -16.8 340 11 303.7 303.9 284.2 307.2 1.07 16 558 4866 -15.1 -37.1 13 22.0 -18.5 336 12 304.9 305.0 283.8 305.9 0.28 17 546 5031 -15.7 -43.7 7 28.0 -19.3 330 13 306.1 306.1 284.0 306.6 0.15 18 543 5072 -15.7 -28.7 32 13.0 -18.3 329 14 306.6 306.7 284.9 308.8 0.66 19 541 5100 -15.7 -27.7 35 12.0 -18.2 328 14 306.9 307.0 285.1 309.3 0.73 20 535 5184 -16.3 -29.3 32 13.0 -18.8 325 15 307.2 307.3 285.1 309.3 0.63 21 512 5514 -18.7 -29.7 37 11.0 -20.7 319 18 308.1 308.3 285.4 310.3 0.64 22 511 5528 -18.9 -25.9 54 7.0 -20.4 318 18 308.1 308.2 285.7 311.1 0.91 23 500 5690 -20.5 -26.5 59 6.0 -21.7 315 19 308.0 308.2 285.7 311.0 0.88 24 472 6111 -24.1 -27.0 77 2.9 -24.6 310 15 308.7 308.9 285.9 311.7 0.89 25 430 6781 -29.7 -31.4 85 1.7 -29.9 300 16 309.9 310.0 286.1 312.1 0.64 26 400 7290 -33.5 -36.1 77 2.6 -33.8 300 14 311.4 311.5 286.4 313.0 0.44 27 358 8062 -39.1 -44.0 60 4.9 -39.4 318 12 314.0 314.0 287.0 314.8 0.22 28 329 8636 -44.3 -46.7 77 2.4 -44.4 312 13 314.5 314.5 287.1 315.2 0.17 29 303 9184 -48.7 -51.7 71 3.0 -48.8 292 8 315.8 315.8 287.5 316.2 0.11 30 300 9250 -49.1 -52.8 65 3.7 -49.2 295 7 316.1 316.2 287.6 316.5 0.10 31 280 9698 -52.5 -58.5 48 6.0 -52.7 287 10 317.6 317.6 288.0 317.8 0.05 32 258 10221 -56.3 -60.2 61 3.9 -56.3 285 14 319.5 319.5 288.6 319.6 0.04 33 250 10420 -57.5 -61.4 61 3.9 -57.6 285 13 320.6 320.6 289.0 320.7 0.04 34 228 10997 -59.7 -66.7 40 7.0 -59.8 270 15 325.8 325.8 290.5 325.9 0.02 35 215 11365 -58.3 -75.3 10 17.0 -58.5 287 18 333.5 333.5 292.7 333.5 0.01 36 205 11664 -57.5 -78.5 5 21.0 -57.7 315 17 339.3 339.3 294.1 339.3 0.00 37 203 11726 -57.1 -77.1 6 20.0 -57.3 323 17 340.9 340.9 294.6 340.9 0.01 38 200 11820 -57.5 -77.5 6 20.0 -57.7 335 16 341.7 341.7 294.7 341.7 0.00 39 192 12077 -57.9 -78.9 5 21.0 -58.1 337 16 345.1 345.1 295.6 345.1 0.00 40 179 12521 -54.7 -82.7 2 28.0 -55.0 338 15 357.3 357.3 298.2 357.3 0.00 41 162 13159 -54.5 -84.5 1 30.0 -54.9 324 16 368.0 368.0 300.2 368.0 0.00 42 150 13650 -54.9 -84.9 1 30.0 -55.3 310 13 375.5 375.5 301.5 375.5 0.00 43 100 16240 -54.9 -86.9 1 32.0 -55.5 315 13 421.7 421.7 307.9 421.7 0.00 44 86 17208 -53.1 -86.1 1 33.0 -53.9 331 19 443.9 443.9 310.3 443.9 0.00 45 73 18261 -54.7 -87.7 1 33.0 -55.5 343 17 461.8 461.8 311.9 461.8 0.00 46 70 18530 -53.5 -87.5 1 34.0 -54.4 325 12 469.9 469.9 312.6 469.9 0.00 47 50 20700 -53.3 -87.3 1 34.0 -54.5 340 14 517.9 517.9 316.2 517.9 0.00 48 42 21826 -52.7 -87.7 1 35.0 -54.2 2 12 545.8 545.8 317.9 545.9 0.00 49 35 23017 -48.1 -87.1 0 39.0 -50.8 41 8 587.1 587.1 320.0 587.1 0.01 50 30 24030 -49.9 -87.9 0 38.0 -52.5 55 10 608.6 608.6 321.0 608.6 0.01 51 25 25222 -50.5 -88.5 0 38.0 -53.4 73 17 639.5 639.5 322.3 639.5 0.01 52 20 26690 -47.1 -86.1 0 39.0 -51.5 285 13 692.0 692.0 324.1 692.1 0.01 53 19 27029 -47.1 -86.1 0 39.0 -51.7 282 12 702.2 702.2 324.5 702.3 0.01 54 17 27762 -48.7 -86.7 0 38.0 -53.1 340 5 719.8 719.8 325.0 719.9 0.01 55 10 31340 -36.7 -78.7 0 42.0 -48.8 125 16 882.5 882.6 329.1 883.4 0.08 56 9.2 31922 -32.7 -76.7 0 44.0 -47.7 919.1 919.2 329.8 920.5 0.12 57 8.9 32156 -33.3 -77.3 0 44.0 -48.1 925.6 925.6 329.9 926.8 0.12 58 7.6 33267 -32.5 -76.5 0 44.0 -48.7 971.6 971.7 330.7 973.3 0.15 59 6.6 34270 -28.1 -74.1 0 46.0 -48.1 1030.1 1030.2 331.7 1033.2 0.25 60 6.5 34380 -28.3 -73.3 1 45.0 -48.3 1033.7 1033.9 331.8 1037.4 0.29 TRP 228 10997 -59.7 -66.7 40 7.0 -59.8 270 15 325.8 325.8 290.5 325.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5499.00 m Freezing level: 778.04 mb = 2287.90 m = 7506.14 ft Wetbulb zero: 818.94 mb = 1857.87 m = 6095.30 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 37.28 % Est. max temperature: 19.02 C = 66.24 F Sfc-Lift cond lev (LCL): 719.29 mb = 2897.93 m = 9507.52 ft T: -4.60 C 700-500 lapse rate: 6.13 C/km ThetaE index: 4.64 C Layer 925.0- 651.0 mb Conv cond level (CCL): 633.25 mb = 3896.29 m = 12782.93 ft Mean mixing ratio: 3.30 g/kg Conv temperature: 27.77 C = 81.99 F Cap Strength: 6.59 C Lifted Index: 6.26 C Risk: None Lifted Index @300 mb: 9.30 C Lifted Index @700 mb: 2.90 C Showalter Index: 6.37 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 16.30 C K Index: 1.10 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.28 J/kg Max Up Vert Vel: 2.13 m/s Conv Inhibition (B-): 56792.94 J/kg Cap Strength: 6.56 C Lift Cond Lev (LCL): 716.06 mb = 2933.41 m = 9623.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 14 at 7 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 ---------------------------------------------------------- 0 986 306 45 6 -4.2 -4.2 | 134 4 -2.6 2.5 1 952 610 35 10 -5.7 -8.2 | 70 4 -4.1 -1.5 2 925 854 30 8 -4.0 -6.9 | 85 2 -2.3 -0.2 3 918 914 40 8 -5.1 -6.1 | 100 4 -3.5 0.6 4 885 1219 35 8 -4.6 -6.6 | 94 3 -2.9 0.2 5 850 1558 15 5 -1.3 -4.8 | 191 2 0.4 1.9 6 822 1829 10 7 -1.2 -6.9 | 289 0 0.5 -0.2 7 791 2134 5 12 -1.0 -12.0 | 353 5 0.6 -5.2 8 761 2438 5 10 -0.9 -10.0 | 346 3 0.8 -3.2 9 733 2743 360 10 -0.0 -10.0 | 333 4 1.7 -3.3 10 700 3112 195 2 0.5 1.9 | 194 9 2.2 8.7 11 652 3658 55 1 -0.8 -0.6 | 188 6 0.8 6.2 12 602 4267 335 7 3.0 -6.3 | 265 5 4.6 0.4 13 579 4572 345 10 2.6 -9.7 | 304 5 4.3 -2.9 14 556 4877 335 12 5.1 -10.9 | 302 8 6.7 -4.1 15 534 5182 325 15 8.6 -12.3 | 298 12 10.3 -5.5 16 500 5690 315 19 13.4 -13.4 | 294 17 15.1 -6.7 17 472 6096 310 15 11.5 -9.6 | 282 13 13.2 -2.9 18 453 6401 300 17 14.7 -8.5 | 276 16 16.4 -1.8 19 400 7290 300 14 12.1 -7.0 | 271 14 13.8 -0.3 20 399 7315 315 12 8.5 -8.5 | 280 10 10.2 -1.7 21 381 7620 320 12 7.7 -9.2 | 285 10 9.4 -2.5 22 333 8534 315 13 9.2 -9.2 | 283 11 10.9 -2.5 23 319 8839 305 13 10.6 -7.5 | 273 12 12.3 -0.7 24 305 9144 290 8 7.5 -2.7 | 246 10 9.2 4.0 25 300 9250 295 7 6.3 -3.0 | 245 9 8.0 3.8 26 264 10058 280 13 12.8 -2.3 | 253 15 14.5 4.5 27 252 10363 290 15 14.1 -5.1 | 264 16 15.8 1.6 28 250 10420 285 13 12.6 -3.4 | 257 15 14.2 3.4 29 240 10668 280 13 12.8 -2.3 | 253 15 14.5 4.5 30 228 10997 270 15 15.0 -0.0 | 248 18 16.7 6.7 31 218 11278 280 18 17.7 -3.1 | 259 20 19.4 3.6 32 208 11582 305 18 14.7 -10.3 | 282 17 16.4 -3.6 33 200 11820 335 16 6.8 -14.5 | 313 11 8.4 -7.8 34 198 11887 335 16 6.8 -14.5 | 313 11 8.4 -7.8 35 180 12497 340 15 5.1 -14.1 | 317 10 6.8 -7.4 36 171 12802 315 14 9.9 -9.9 | 285 12 11.6 -3.2 37 163 13106 320 15 9.6 -11.5 | 293 12 11.3 -4.7 38 156 13411 340 19 6.5 -17.9 | 324 14 8.2 -11.1 39 150 13650 310 13 10.0 -8.4 | 278 12 11.6 -1.6 40 148 13716 335 14 5.9 -12.7 | 308 10 7.6 -5.9 41 129 14630 330 22 11.0 -19.1 | 314 18 12.7 -12.3 42 123 14935 320 18 11.6 -13.8 | 298 15 13.2 -7.0 43 117 15240 320 15 9.6 -11.5 | 293 12 11.3 -4.7 44 111 15545 315 16 11.3 -11.3 | 289 14 13.0 -4.6 45 101 16154 335 15 6.3 -13.6 | 311 11 8.0 -6.9 46 100 16240 315 13 9.2 -9.2 | 283 11 10.9 -2.5 47 97 16459 315 13 9.2 -9.2 | 283 11 10.9 -2.5 48 92 16764 300 13 11.3 -6.5 | 269 13 12.9 0.2 49 88 17069 325 18 10.3 -14.7 | 304 14 12.0 -8.0 50 80 17678 350 23 4.0 -22.7 | 340 17 5.7 -15.9 51 76 17983 325 16 9.2 -13.1 | 300 13 10.8 -6.4 52 73 18288 345 17 4.4 -16.4 | 328 11 6.1 -9.7 53 70 18530 325 12 6.9 -9.8 | 290 9 8.6 -3.1 54 69 18593 355 13 1.1 -13.0 | 336 7 2.8 -6.2 55 66 18898 325 11 6.3 -9.0 | 286 8 8.0 -2.3 56 63 19202 360 13 -0.0 -13.0 | 345 6 1.7 -6.3 57 60 19507 310 12 9.2 -7.7 | 275 11 10.9 -1.0 58 57 19812 360 3 -0.0 -3.0 | 204 4 1.7 3.7 59 55 20117 295 10 9.1 -4.2 | 257 11 10.7 2.5 60 52 20422 315 12 8.5 -8.5 | 280 10 10.2 -1.7 61 50 20700 340 14 4.8 -13.2 | 315 9 6.5 -6.4 62 50 20726 315 10 7.1 -7.1 | 272 9 8.7 -0.3 63 45 21336 355 18 1.6 -17.9 | 344 12 3.2 -11.2 64 43 21641 5 15 -1.3 -14.9 | 357 8 0.4 -8.2 65 41 21946 360 11 -0.0 -11.0 | 339 5 1.7 -4.3 66 39 22250 345 14 3.6 -13.5 | 322 9 5.3 -6.8 67 36 22860 30 10 -5.0 -8.7 | 60 4 -3.3 -1.9 68 31 23774 90 1 -1.0 0.0 | 186 7 0.7 6.7 69 30 24030 55 10 -8.2 -5.7 | 99 7 -6.5 1.0 70 28 24384 60 10 -8.7 -5.0 | 104 7 -7.0 1.7 71 26 24994 50 10 -7.7 -6.4 | 93 6 -6.0 0.3 72 25 25298 80 19 -18.7 -3.3 | 101 17 -17.0 3.4 73 24 25603 120 17 -14.7 8.5 | 139 20 -13.1 15.2 74 23 25908 190 14 2.4 13.8 | 191 21 4.1 20.5 75 22 26213 265 10 10.0 0.9 | 237 14 11.6 7.6 76 21 26518 275 1 1.0 -0.1 | 202 7 2.7 6.7 77 20 26690 285 13 12.6 -3.4 | 257 15 14.2 3.4 78 20 26822 275 10 10.0 -0.9 | 243 13 11.6 5.9 79 19 27127 285 13 12.6 -3.4 | 257 15 14.2 3.4 80 18 27432 310 5 3.8 -3.2 | 237 7 5.5 3.5 81 16 28346 30 4 -2.0 -3.5 | 174 3 -0.3 3.3 82 15 28651 25 20 -8.5 -18.1 | 31 13 -6.8 -11.4 83 14 28956 45 19 -13.4 -13.4 | 60 14 -11.8 -6.7 84 14 29261 65 18 -16.3 -7.6 | 87 15 -14.6 -0.9 85 13 29566 65 22 -19.9 -9.3 | 82 18 -18.3 -2.6 86 12 29870 80 13 -12.8 -2.3 | 112 12 -11.1 4.5 87 12 30175 65 20 -18.1 -8.5 | 84 17 -16.5 -1.7 88 10 31340 125 16 -13.1 9.2 | 144 20 -11.4 15.9 Wind Parameters Mean winds (0-6000m): 343.9 at 9.3 knts Storm direction: 13.9 at 6.9 knts Shear (0-3000m) pos: 1.8 neg: 1.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 51.0 deg Storm rel helicity (0-3000m) pos: 3.0 neg: -40.8 tot: -37.9 m^2/s^2 ave: -12.6 10^-3 m/s^2 rel: -0.42 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 8.19 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 36 8 89 3| 0.0 3.0 3.0| 0.5 -3.9 -3.4 -6.8 -0.59| 6.1 -3.6 1000 36 8 92 3| 0.0 1.1 1.1| 1.5 -4.1 -2.6 -2.6 -0.28| 4.4 -1.2 1500 31 7 100 2| 0.0 1.3 1.3| 2.5 -4.1 -1.5 -1.0 0.08| 4.4 0.3 2000 23 8 65 2| 0.0 1.9 1.9| 3.0 -4.4 -1.4 -0.7 0.13| 4.8 0.6 2500 18 9 35 2| 0.0 1.8 1.8| 3.0 -9.9 -6.9 -2.8 -0.12| 5.2 -0.6 3000 18 8 47 1| 1.8 1.5 3.3| 3.0 -40.8 -37.9 -12.6 -0.42| 7.0 -3.0 4000 14 7 192 0| 1.3 2.2 3.5| 7.1 -41.8 -34.8 -8.7 -0.25| 6.6 -1.7 5000 0 8 298 2| 0.6 2.3 2.9| 10.8 -44.5 -33.8 -6.8 -0.18| 6.4 -1.1 6000 344 9 297 5| 0.5 2.0 2.6| 10.8 -64.2 -53.5 -8.9 -0.22| 6.2 -1.4 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250527.00.gif