UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052400.upa.cvt Date: 0000Z 24 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 24 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 131 SFC 980 306 16.6 0.6 34 16.0 8.6 50 7 291.4 292.2 282.7 303.3 4.07 2 925 791 12.6 -2.4 35 15.0 5.6 60 23 292.2 292.8 282.3 302.4 3.46 3 850 1492 6.4 -4.6 45 11.0 1.7 90 19 292.9 293.4 282.3 302.3 3.19 4 776 2230 -0.5 -7.5 59 7.0 -3.2 103 20 293.2 293.7 282.0 301.5 2.80 5 703 3009 -8.1 -8.4 98 0.3 -8.2 114 16 293.2 293.7 282.1 301.7 2.88 6 700 3042 -8.3 -9.2 93 0.9 -8.6 115 16 293.3 293.8 281.9 301.4 2.72 7 684 3221 -9.3 -11.9 81 2.6 -10.2 124 14 294.1 294.5 281.7 300.9 2.24 8 681 3255 -9.3 -13.6 71 4.3 -10.6 125 14 294.5 294.8 281.5 300.5 1.96 9 677 3301 -8.1 -23.1 29 15.0 -11.8 127 13 296.3 296.5 281.0 299.1 0.88 10 669 3394 -7.3 -24.3 24 17.0 -11.4 132 12 298.2 298.4 281.7 300.8 0.80 11 661 3487 -7.7 -21.7 32 14.0 -11.3 136 11 298.8 299.0 282.2 302.1 1.02 12 636 3787 -8.7 -33.7 11 25.0 -13.4 139 9 301.0 301.1 282.3 302.2 0.35 13 586 4416 -13.7 -26.7 33 13.0 -16.4 106 9 302.3 302.4 283.3 304.7 0.73 14 571 4613 -15.1 -22.1 55 7.0 -16.8 99 11 302.9 303.1 284.0 306.6 1.14 15 568 4653 -15.1 -17.8 80 2.7 -15.9 98 12 303.4 303.7 284.8 308.6 1.66 16 565 4693 -15.3 -17.2 85 1.9 -15.9 97 12 303.6 303.9 285.0 309.2 1.76 17 539 5049 -16.7 -19.3 80 2.6 -17.4 72 14 306.0 306.3 285.7 311.0 1.54 18 516 5375 -19.5 -20.0 96 0.5 -19.6 33 11 306.5 306.8 285.8 311.4 1.51 19 512 5433 -18.1 -22.1 71 4.0 -19.1 27 10 308.9 309.1 286.4 313.1 1.27 20 500 5610 -18.9 -22.9 71 4.0 -19.8 15 12 310.0 310.2 286.8 314.0 1.21 21 412 7019 -28.1 -32.5 66 4.4 -28.7 284 2 315.8 315.9 288.1 317.9 0.60 22 400 7230 -29.9 -31.9 83 2.0 -30.2 245 6 316.1 316.3 288.2 318.4 0.66 23 397 7284 -30.3 -31.9 86 1.6 -30.5 245 6 316.3 316.4 288.3 318.6 0.67 24 388 7446 -31.5 -35.8 66 4.3 -32.0 245 7 316.8 316.9 288.2 318.5 0.46 25 376 7667 -33.3 -37.7 65 4.4 -33.8 247 8 317.3 317.4 288.3 318.7 0.40 26 372 7742 -33.9 -37.6 69 3.7 -34.3 250 9 317.5 317.5 288.4 318.9 0.40 27 325 8673 -41.5 -46.5 58 5.0 -41.8 260 15 319.5 319.5 288.8 320.1 0.18 28 321 8757 -42.5 -46.0 68 3.5 -42.7 260 15 319.2 319.3 288.7 319.9 0.19 29 311 8970 -44.1 -51.1 46 7.0 -44.4 260 14 319.9 319.9 288.8 320.3 0.11 30 300 9210 -46.1 -53.1 45 7.0 -46.4 245 16 320.4 320.4 289.0 320.7 0.09 31 270 9904 -52.3 -57.3 55 5.0 -52.4 238 20 321.2 321.2 289.2 321.4 0.06 32 258 10198 -54.3 -61.3 42 7.0 -54.4 236 23 322.4 322.4 289.5 322.6 0.04 33 251 10375 -56.1 -60.5 58 4.4 -56.2 235 24 322.3 322.3 289.5 322.5 0.04 34 250 10400 -56.3 -60.7 58 4.4 -56.4 235 24 322.4 322.4 289.5 322.5 0.04 35 239 10685 -58.7 -63.7 52 5.0 -58.7 241 23 322.9 322.9 289.7 323.0 0.03 36 230 10925 -60.3 -65.1 53 4.8 -60.4 255 15 324.1 324.1 290.0 324.2 0.03 37 228 10980 -59.9 -63.4 63 3.5 -60.0 265 15 325.5 325.5 290.5 325.6 0.03 38 214 11375 -60.9 -65.9 52 5.0 -61.0 325 14 329.9 329.9 291.7 330.0 0.03 39 211 11463 -60.1 -71.1 22 11.0 -60.2 329 13 332.5 332.5 292.4 332.5 0.01 40 206 11614 -58.1 -73.1 13 15.0 -58.3 323 13 337.9 337.9 293.8 337.9 0.01 41 200 11800 -58.1 -74.1 11 16.0 -58.3 255 11 340.8 340.8 294.5 340.8 0.01 42 195 11959 -56.9 -76.9 6 20.0 -57.1 268 10 345.1 345.1 295.6 345.2 0.01 43 191 12091 -53.5 -81.5 2 28.0 -53.8 291 7 352.7 352.7 297.2 352.7 0.00 44 175 12649 -54.5 -80.5 3 26.0 -54.8 343 2 359.9 359.9 298.7 360.0 0.00 45 170 12835 -51.9 -81.9 2 30.0 -52.4 324 4 367.3 367.3 300.1 367.3 0.00 46 159 13265 -53.5 -83.5 1 30.0 -53.9 279 8 371.6 371.6 300.8 371.7 0.00 47 152 13555 -51.9 -83.9 1 32.0 -52.4 249 11 379.2 379.2 302.1 379.2 0.00 48 150 13640 -52.3 -84.3 1 32.0 -52.8 240 12 380.0 380.0 302.2 380.0 0.00 49 145 13859 -53.3 -84.3 1 31.0 -53.8 230 13 381.9 381.9 302.6 381.9 0.00 50 137 14226 -51.5 -84.5 1 33.0 -52.1 242 12 391.4 391.4 304.0 391.4 0.00 51 128 14665 -53.1 -85.1 1 32.0 -53.7 260 3 396.1 396.2 304.7 396.2 0.00 52 111 15586 -51.9 -85.9 1 34.0 -52.6 275 10 414.9 414.9 307.1 414.9 0.00 53 107 15823 -53.1 -86.1 1 33.0 -53.7 302 11 417.0 417.0 307.3 417.0 0.00 54 100 16260 -52.5 -85.5 1 33.0 -53.2 270 11 426.3 426.3 308.4 426.3 0.00 55 95 16592 -52.1 -86.1 1 34.0 -52.9 246 10 433.4 433.4 309.2 433.4 0.00 56 76 18031 -54.1 -87.1 1 33.0 -54.9 265 15 457.8 457.8 311.5 457.8 0.00 57 70 18560 -53.5 -87.5 1 34.0 -54.4 295 6 469.9 469.9 312.6 469.9 0.00 58 50 20740 -51.5 -86.5 1 35.0 -53.0 245 3 522.1 522.1 316.4 522.1 0.00 59 30 24060 -49.9 -86.9 1 37.0 -52.5 360 7 608.6 608.6 321.0 608.6 0.01 60 21 26391 -48.1 -87.1 0 39.0 -52.1 69 11 679.4 679.4 323.7 679.5 0.01 61 20 26710 -49.9 -87.9 0 38.0 -53.4 45 10 683.4 683.4 323.9 683.5 0.01 62 17 27772 -49.5 -87.5 0 38.0 -53.6 46 11 717.2 717.2 325.0 717.3 0.01 63 16 28171 -45.9 -84.9 0 39.0 -51.5 86 8 741.5 741.5 325.7 741.7 0.02 64 12 30104 -40.9 -81.9 0 41.0 -49.9 23 2 822.8 822.8 327.8 823.2 0.04 65 10 31340 -42.1 -83.1 0 41.0 -51.2 40 8 862.4 862.4 328.7 862.8 0.04 66 8.9 32130 -41.5 -82.5 0 41.0 -51.5 893.9 894.0 329.3 894.4 0.05 67 7.3 33496 -33.9 -76.9 1 43.0 -49.4 977.1 977.2 330.8 978.9 0.15 68 5.8 35122 -29.7 -74.7 0 45.0 -49.4 1061.9 1062.0 332.1 1065.3 0.26 TRP 230 10925 -60.3 -65.1 53 4.8 -60.4 255 15 324.1 324.1 290.0 324.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5479.00 m Freezing level: 781.36 mb = 2176.24 m = 7139.81 ft Wetbulb zero: 824.74 mb = 1736.38 m = 5696.72 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 53.79 % Est. max temperature: 18.11 C = 64.60 F Sfc-Lift cond lev (LCL): 770.09 mb = 2290.00 m = 7513.04 ft T: -1.09 C 700-500 lapse rate: 4.13 C/km ThetaE index: 2.60 C Layer 700.0- 669.0 mb Conv cond level (CCL): 731.23 mb = 2698.30 m = 8852.57 ft Mean mixing ratio: 3.59 g/kg Conv temperature: 18.34 C = 65.02 F Cap Strength: 7.60 C Lifted Index: 8.27 C Risk: None Lifted Index @300 mb: 12.71 C Lifted Index @700 mb: -0.35 C Showalter Index: 8.44 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 14.30 C K Index: 19.80 Risk: < 20 % chance of thunderstorms Sweat Index: 50.00 Risk: None Energy Index: 2.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.91 J/kg Max Up Vert Vel: 3.72 m/s Conv Inhibition (B-): 51.40 J/kg Cap Strength: 8.11 C Lift Cond Lev (LCL): 742.82 mb = 2574.34 m = 8445.90 ft Lev Free Conv (LFC): 707.82 mb = 2954.94 m = 9694.57 ft Equ Level (EL): 677.82 mb = 3291.76 m = 10799.62 ft B at Equ Level: 1.87 J/kg Max Parcel Lev (MPL): 667.82 mb = 3407.50 m = 11179.34 ft Wind level data Storm motion: 116 at 11 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 ---------------------------------------------------------- 0 980 306 50 7 -5.4 -4.5 | 334 10 4.5 -9.3 1 945 610 55 23 -18.8 -13.2 | 26 20 -8.9 -18.0 2 925 791 60 23 -19.9 -11.5 | 32 19 -10.0 -16.3 3 911 914 65 23 -20.8 -9.7 | 37 18 -10.9 -14.5 4 878 1219 85 21 -20.9 -1.8 | 59 13 -11.0 -6.7 5 850 1492 90 19 -19.0 0.0 | 62 10 -9.1 -4.8 6 815 1829 95 17 -16.9 1.5 | 65 8 -7.0 -3.3 7 784 2134 100 20 -19.7 3.5 | 82 10 -9.8 -1.3 8 755 2438 110 19 -17.9 6.5 | 102 8 -8.0 1.7 9 727 2743 110 19 -17.9 6.5 | 102 8 -8.0 1.7 10 700 3042 115 16 -14.5 6.8 | 113 5 -4.6 1.9 11 646 3658 145 9 -5.2 7.4 | 242 5 4.7 2.6 12 620 3962 130 10 -7.7 6.4 | 234 3 2.2 1.6 13 596 4267 110 7 -6.6 2.4 | 306 4 3.3 -2.4 14 550 4877 90 15 -15.0 0.0 | 47 7 -5.1 -4.8 15 508 5486 20 10 -3.4 -9.4 | 336 16 6.5 -14.2 16 500 5610 15 12 -3.1 -11.6 | 338 18 6.8 -16.4 17 488 5791 355 13 1.1 -13.0 | 328 21 11.0 -17.8 18 468 6096 355 10 0.9 -10.0 | 324 18 10.8 -14.8 19 412 7010 285 2 1.9 -0.5 | 294 13 11.8 -5.3 20 400 7230 245 6 5.4 2.5 | 278 16 15.3 -2.3 21 378 7620 245 8 7.3 3.4 | 275 17 17.1 -1.4 22 362 7925 260 10 9.8 1.7 | 279 20 19.7 -3.1 23 346 8230 280 10 9.8 -1.7 | 288 21 19.7 -6.6 24 331 8534 260 15 14.8 2.6 | 275 25 24.7 -2.2 25 303 9144 260 14 13.8 2.4 | 276 24 23.7 -2.4 26 300 9210 245 16 14.5 6.8 | 265 24 24.4 1.9 27 289 9449 240 17 14.7 8.5 | 262 25 24.6 3.7 28 251 10363 235 24 19.7 13.8 | 253 31 29.6 8.9 29 250 10400 235 24 19.7 13.8 | 253 31 29.6 8.9 30 240 10668 240 23 19.9 11.5 | 257 31 29.8 6.7 31 230 10925 255 15 14.5 3.9 | 272 24 24.4 -0.9 32 217 11278 320 14 9.0 -10.7 | 309 24 18.9 -15.5 33 207 11582 335 13 5.5 -11.8 | 317 23 15.4 -16.6 34 200 11800 255 11 10.6 2.8 | 275 21 20.5 -2.0 35 197 11887 255 11 10.6 2.8 | 275 21 20.5 -2.0 36 179 12497 0 0 -0.0 -0.0 | 296 11 9.9 -4.8 37 150 13640 240 12 10.4 6.0 | 267 20 20.3 1.2 38 148 13716 235 15 12.3 8.6 | 260 23 22.2 3.8 39 141 14021 225 10 7.1 7.1 | 262 17 17.0 2.3 40 135 14326 250 13 12.2 4.4 | 271 22 22.1 -0.4 41 129 14630 260 3 3.0 0.5 | 288 14 12.9 -4.3 42 117 15240 255 11 10.6 2.8 | 275 21 20.5 -2.0 43 112 15545 270 10 10.0 -0.0 | 284 20 19.9 -4.8 44 107 15850 305 11 9.0 -6.3 | 300 22 18.9 -11.1 45 100 16260 270 11 11.0 -0.0 | 283 21 20.9 -4.8 46 97 16459 270 10 10.0 -0.0 | 284 20 19.9 -4.8 47 92 16764 215 10 5.7 8.2 | 258 16 15.6 3.4 48 88 17069 245 10 9.1 4.2 | 272 19 19.0 -0.6 49 73 18288 270 16 16.0 -0.0 | 281 26 25.9 -4.8 50 70 18560 295 6 5.4 -2.5 | 296 17 15.3 -7.4 51 70 18593 325 10 5.7 -8.2 | 310 20 15.6 -13.0 52 66 18898 320 3 1.9 -2.3 | 301 14 11.8 -7.1 53 50 20726 0 0 -0.0 -0.0 | 296 11 9.9 -4.8 54 50 20740 245 3 2.7 1.3 | 286 13 12.6 -3.6 55 46 21336 310 10 7.7 -6.4 | 303 21 17.6 -11.2 56 30 24060 360 7 -0.0 -7.0 | 320 15 9.9 -11.8 57 27 24689 55 11 -9.0 -6.3 | 355 11 0.9 -11.1 58 24 25603 10 3 -0.5 -3.0 | 310 12 9.4 -7.8 59 23 25908 25 10 -4.2 -9.1 | 338 15 5.7 -13.9 60 21 26518 80 11 -10.8 -1.9 | 8 7 -0.9 -6.7 61 20 26710 45 10 -7.1 -7.1 | 347 12 2.8 -11.9 62 20 26822 65 18 -16.3 -7.6 | 27 14 -6.4 -12.4 63 19 27127 40 10 -6.4 -7.7 | 344 13 3.5 -12.5 64 18 27432 40 5 -3.2 -3.8 | 322 11 6.7 -8.7 65 17 27737 40 10 -6.4 -7.7 | 344 13 3.5 -12.5 66 16 28042 70 13 -12.2 -4.4 | 14 10 -2.3 -9.3 67 16 28346 100 4 -3.9 0.7 | 305 7 6.0 -4.1 68 14 28956 35 20 -11.5 -16.4 | 4 21 -1.6 -21.2 69 14 29261 50 27 -20.7 -17.4 | 26 25 -10.8 -22.2 70 12 29870 20 1 -0.3 -0.9 | 301 11 9.6 -5.8 71 10 31340 40 8 -5.1 -6.1 | 337 12 4.8 -10.9 Wind Parameters Mean winds (0-6000m): 86.0 at 14.7 knts Storm direction: 116.0 at 11.0 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -160.6 deg Storm rel helicity (0-3000m) pos: 109.8 neg: 0.0 tot: 109.8 m^2/s^2 ave: 36.6 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.62 Bulk Shear: 11.15 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 56 18 19 16| 16.6 0.0 16.6| 55.6 0.0 55.6 111.2 0.79| 18.8 14.9 1000 66 20 33 16| 7.9 0.0 7.9| 88.0 0.0 88.0 88.0 0.77| 14.8 11.4 1500 74 20 41 14| 4.5 0.0 4.5| 90.2 0.0 90.2 60.1 0.70| 11.3 7.9 2000 80 19 49 12| 4.3 0.0 4.3|100.7 0.0 100.7 50.3 0.72| 9.8 7.0 2500 86 19 57 11| 3.3 0.0 3.3|104.2 0.0 104.2 41.7 0.72| 8.3 6.0 3000 91 19 62 10| 2.3 0.0 2.3|109.8 0.0 109.8 36.6 0.72| 8.1 5.8 4000 97 16 65 7| 1.5 0.6 2.1|117.0 -0.4 116.6 29.2 0.71| 7.5 5.4 5000 95 15 57 7| 1.2 1.6 2.8|121.7 -26.3 95.3 19.1 0.48| 8.1 3.9 6000 86 15 39 8| 1.0 1.5 2.5|123.7 -78.8 44.9 7.5 0.28| 8.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250524.00.gif