UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 22 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 127 SFC 978 306 1.4 -4.6 64 6.0 -0.9 115 4 276.3 276.8 273.5 284.0 2.77 2 925 752 -0.5 -2.2 88 1.7 -1.2 160 14 278.8 279.4 275.9 288.6 3.51 3 869 1249 -3.9 -4.6 95 0.7 -4.2 134 16 280.3 280.8 276.2 289.1 3.12 4 850 1423 -5.1 -6.2 92 1.1 -5.5 125 15 280.8 281.3 276.0 288.8 2.83 5 802 1878 -7.1 -8.8 88 1.7 -7.7 121 27 283.4 283.8 276.9 290.4 2.45 6 791 1986 -6.1 -7.3 91 1.2 -6.5 123 29 285.6 286.1 278.4 293.6 2.79 7 700 2934 -11.1 -11.7 95 0.6 -11.3 145 31 290.2 290.6 279.9 296.8 2.23 8 694 3000 -11.5 -12.1 95 0.6 -11.7 142 30 290.5 290.8 280.0 297.0 2.18 9 569 4510 -16.5 -18.2 87 1.7 -17.0 163 4 301.6 301.9 284.0 306.6 1.60 10 559 4644 -15.5 -16.9 89 1.4 -15.9 163 6 304.3 304.6 285.4 310.1 1.82 11 515 5260 -18.3 -19.8 88 1.5 -18.7 201 18 308.1 308.4 286.4 313.1 1.54 12 500 5480 -19.9 -21.6 86 1.7 -20.3 220 16 308.8 309.0 286.5 313.2 1.36 13 400 7090 -32.3 -34.4 82 2.1 -32.6 195 20 313.0 313.1 287.0 314.8 0.52 14 381 7433 -34.9 -37.9 74 3.0 -35.2 192 18 314.0 314.0 287.2 315.3 0.38 15 350 8021 -39.9 -41.9 81 2.0 -40.1 190 23 314.9 315.0 287.4 315.9 0.28 16 346 8100 -40.7 -44.2 69 3.5 -40.9 190 25 314.9 314.9 287.3 315.7 0.22 17 331 8401 -42.7 -43.5 92 0.8 -42.8 190 30 316.2 316.2 287.8 317.1 0.25 18 322 8587 -44.3 -49.2 58 4.9 -44.5 191 31 316.4 316.5 287.8 317.0 0.13 19 320 8629 -44.5 -48.1 67 3.6 -44.7 192 30 316.7 316.8 287.9 317.3 0.15 20 317 8692 -45.1 -56.1 28 11.0 -45.5 194 28 316.8 316.8 287.8 317.0 0.06 21 310 8842 -46.1 -62.1 15 16.0 -46.5 199 24 317.4 317.4 287.9 317.5 0.03 22 300 9060 -46.7 -56.7 31 10.0 -47.0 205 18 319.5 319.5 288.6 319.8 0.06 23 296 9149 -47.3 -56.3 35 9.0 -47.6 205 19 319.9 319.9 288.8 320.2 0.06 24 270 9748 -52.5 -59.5 43 7.0 -52.7 202 20 320.9 320.9 289.0 321.1 0.05 25 264 9892 -53.1 -62.1 33 9.0 -53.3 201 20 322.1 322.1 289.4 322.2 0.03 26 250 10240 -56.3 -64.3 36 8.0 -56.4 185 17 322.4 322.4 289.5 322.5 0.03 27 245 10368 -57.5 -64.5 41 7.0 -57.6 185 16 322.4 322.4 289.5 322.5 0.03 28 236 10603 -58.1 -67.1 31 9.0 -58.2 201 18 325.0 325.0 290.3 325.1 0.02 29 222 10985 -59.7 -68.7 30 9.0 -59.8 210 17 328.3 328.3 291.2 328.3 0.02 30 214 11214 -59.3 -72.3 17 13.0 -59.5 210 23 332.4 332.4 292.4 332.4 0.01 31 205 11484 -56.7 -75.7 7 19.0 -56.9 220 25 340.6 340.6 294.4 340.6 0.01 32 200 11640 -57.9 -75.9 8 18.0 -58.1 220 28 341.1 341.1 294.6 341.1 0.01 33 198 11704 -58.1 -76.1 8 18.0 -58.3 220 28 341.7 341.7 294.7 341.8 0.01 34 162 12984 -53.5 -82.5 2 29.0 -53.9 245 25 369.7 369.7 300.5 369.7 0.00 35 150 13480 -53.9 -83.9 1 30.0 -54.3 250 25 377.2 377.2 301.8 377.2 0.00 36 140 13924 -53.1 -84.1 1 31.0 -53.6 271 22 386.1 386.1 303.2 386.1 0.00 37 122 14806 -55.1 -85.1 1 30.0 -55.5 274 21 398.0 398.0 304.9 398.0 0.00 38 117 15075 -52.7 -84.7 1 32.0 -53.3 265 22 407.2 407.2 306.2 407.2 0.00 39 102 15962 -51.9 -84.9 1 33.0 -52.7 263 18 425.0 425.0 308.3 425.0 0.00 40 100 16090 -52.1 -85.1 1 33.0 -52.8 255 18 427.1 427.1 308.5 427.1 0.00 41 83 17292 -53.7 -85.7 1 32.0 -54.4 256 15 447.2 447.2 310.6 447.2 0.00 42 70 18390 -52.7 -86.7 1 34.0 -53.7 300 18 471.6 471.6 312.8 471.7 0.00 43 55 19944 -50.7 -85.7 1 35.0 -52.2 277 12 509.9 509.9 315.7 509.9 0.00 44 50 20560 -52.3 -86.3 1 34.0 -53.7 315 3 520.2 520.2 316.3 520.3 0.00 45 42 21686 -54.5 -87.5 1 33.0 -55.8 104 6 541.4 541.4 317.6 541.4 0.00 46 30 23850 -53.7 -86.7 1 33.0 -55.5 115 10 598.2 598.2 320.5 598.3 0.01 47 26 24773 -51.7 -86.7 1 35.0 -54.2 76 11 628.9 628.9 321.9 629.0 0.01 48 20 26470 -52.5 -86.5 1 34.0 -55.3 65 17 675.5 675.5 323.6 675.6 0.01 49 19 26802 -52.7 -86.7 1 34.0 -55.6 70 16 684.8 684.8 323.9 684.9 0.01 50 14 28794 -48.7 -85.7 1 37.0 -53.7 113 13 760.9 760.9 326.3 761.0 0.02 51 12 29804 -50.5 -86.5 1 36.0 -55.2 119 15 788.8 788.8 327.0 789.0 0.02 52 10 31000 -48.1 -86.1 0 38.0 -54.4 80 17 840.0 840.0 328.2 840.2 0.02 53 6.6 33769 -43.1 -83.1 0 40.0 -53.7 967.0 967.0 330.7 967.7 0.06 54 5.0 35677 -34.1 -77.1 0 43.0 -51.7 1087.9 1088.0 332.5 1090.6 0.21 TRP 222 10985 -59.7 -68.7 30 9.0 -59.8 210 17 328.3 328.3 291.2 328.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5353.00 m Freezing level: 938.95 mb = 634.63 m = 2082.10 ft Wetbulb zero: Below ground Precipitable water: 0.51 inches Sfc-500 mean rel hum: 89.67 % Est. max temperature: 7.03 C = 44.65 F Sfc-Lift cond lev (LCL): 890.77 mb = 1051.89 m = 3451.04 ft T: -2.55 C 700-500 lapse rate: 3.46 C/km ThetaE index: 0.26 C Layer 850.0- 802.0 mb Conv cond level (CCL): 864.25 mb = 1291.90 m = 4238.47 ft Mean mixing ratio: 3.24 g/kg Conv temperature: 5.49 C = 41.88 F Cap Strength: 17.95 C Lifted Index: 18.22 C Risk: None Lifted Index @300 mb: 22.77 C Lifted Index @700 mb: 6.22 C Showalter Index: 17.23 C Risk: None Total Totals Index: 28.50 C Risk: None Vertical Totals Index: 14.80 C Cross Totals Index: 13.70 C K Index: 8.00 Risk: None Sweat Index: 46.00 Risk: None Energy Index: 5.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.39 J/kg Max Up Vert Vel: 5.36 m/s Conv Inhibition (B-): 74808.79 J/kg Cap Strength: 18.25 C Lift Cond Lev (LCL): 890.20 mb = 1056.95 m = 3467.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 181 at 14 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 ---------------------------------------------------------- 0 978 306 115 4 -3.6 1.7 | 18 13 -3.9 -12.2 1 942 610 140 17 -10.9 13.0 | 85 11 -11.2 -0.9 2 925 752 160 14 -4.8 13.2 | 82 5 -5.1 -0.8 3 906 914 150 16 -8.0 13.9 | 90 8 -8.3 -0.1 4 872 1219 135 16 -11.3 11.3 | 77 12 -11.6 -2.6 5 850 1423 125 15 -12.3 8.6 | 67 14 -12.6 -5.3 6 807 1829 120 26 -22.5 13.0 | 88 23 -22.8 -0.9 7 776 2134 125 31 -25.4 17.8 | 99 26 -25.7 3.9 8 746 2438 120 30 -26.0 15.0 | 92 26 -26.3 1.1 9 717 2743 135 28 -19.8 19.8 | 106 21 -20.1 5.9 10 700 2934 145 31 -17.8 25.4 | 122 21 -18.1 11.5 11 690 3048 140 30 -19.3 23.0 | 115 22 -19.6 9.1 12 662 3353 140 22 -14.1 16.9 | 101 15 -14.5 2.9 13 636 3658 150 20 -10.0 17.3 | 108 11 -10.3 3.4 14 611 3962 170 13 -2.3 12.8 | 67 3 -2.6 -1.1 15 587 4267 175 7 -0.6 7.0 | 8 7 -0.9 -6.9 16 564 4572 160 3 -1.0 2.8 | 7 11 -1.3 -11.1 17 541 4877 175 19 -1.7 18.9 | 159 5 -2.0 5.0 18 520 5182 195 19 4.9 18.4 | 226 6 4.6 4.4 19 500 5480 220 16 10.3 12.3 | 279 10 10.0 -1.7 20 479 5791 220 16 10.3 12.3 | 279 10 10.0 -1.7 21 459 6096 200 16 5.5 15.0 | 258 5 5.2 1.1 22 440 6401 185 15 1.3 14.9 | 224 1 1.0 1.0 23 422 6706 190 12 2.1 11.8 | 320 3 1.8 -2.1 24 400 7090 195 20 5.2 19.3 | 222 7 4.9 5.4 25 370 7620 190 17 3.0 16.7 | 223 4 2.6 2.8 26 324 8534 190 32 5.6 31.5 | 197 18 5.2 17.6 27 300 9060 205 18 7.6 16.3 | 252 8 7.3 2.4 28 296 9144 205 19 8.0 17.2 | 247 8 7.7 3.3 29 257 10058 200 20 6.8 18.8 | 233 8 6.5 4.9 30 250 10240 185 17 1.5 16.9 | 201 3 1.2 3.0 31 245 10363 185 16 1.4 15.9 | 208 2 1.1 2.0 32 234 10668 205 19 8.0 17.2 | 247 8 7.7 3.3 33 222 10973 225 10 7.1 7.1 | 315 10 6.8 -6.8 34 222 10985 210 17 8.5 14.7 | 264 8 8.2 0.8 35 212 11278 210 24 12.0 20.8 | 240 14 11.7 6.9 36 202 11582 225 26 18.4 18.4 | 256 19 18.1 4.5 37 200 11640 220 28 18.0 21.4 | 247 19 17.7 7.5 38 192 11887 220 28 18.0 21.4 | 247 19 17.7 7.5 39 183 12192 235 27 22.1 15.5 | 266 22 21.8 1.6 40 175 12497 250 29 27.3 9.9 | 278 27 26.9 -4.0 41 152 13411 240 21 18.2 10.5 | 281 18 17.9 -3.4 42 150 13480 250 25 23.5 8.6 | 283 24 23.2 -5.4 43 132 14326 290 20 18.8 -6.8 | 318 28 18.5 -20.8 44 114 15240 260 22 21.7 3.8 | 295 24 21.4 -10.1 45 104 15850 270 18 18.0 -0.0 | 308 23 17.7 -13.9 46 100 16090 255 18 17.4 4.7 | 298 19 17.1 -9.3 47 94 16459 255 18 17.4 4.7 | 298 19 17.1 -9.3 48 90 16764 290 13 12.2 -4.4 | 327 22 11.9 -18.4 49 86 17069 260 11 10.8 1.9 | 319 16 10.5 -12.0 50 82 17374 255 17 16.4 4.4 | 301 19 16.1 -9.5 51 78 17678 285 16 15.5 -4.1 | 320 24 15.1 -18.1 52 71 18288 265 18 17.9 1.6 | 305 22 17.6 -12.3 53 70 18390 300 18 15.6 -9.0 | 326 28 15.3 -22.9 54 68 18593 305 18 14.7 -10.3 | 329 28 14.4 -24.2 55 65 18898 320 11 7.1 -8.4 | 343 23 6.8 -22.3 56 62 19202 290 10 9.4 -3.4 | 332 20 9.1 -17.3 57 59 19507 295 10 9.1 -4.2 | 334 20 8.7 -18.1 58 56 19812 240 14 12.1 7.0 | 300 14 11.8 -6.9 59 54 20117 325 10 5.7 -8.2 | 346 23 5.4 -22.1 60 50 20560 315 3 2.1 -2.1 | 354 16 1.8 -16.0 61 44 21336 105 8 -7.7 2.1 | 34 14 -8.0 -11.8 62 37 22555 100 2 -2.0 0.3 | 10 14 -2.3 -13.6 63 33 23165 105 10 -9.7 2.6 | 41 15 -10.0 -11.3 64 32 23470 100 20 -19.7 3.5 | 62 23 -20.0 -10.4 65 30 23774 120 13 -11.3 6.5 | 57 14 -11.6 -7.4 66 30 23850 115 10 -9.1 4.2 | 44 13 -9.4 -9.7 67 29 24079 105 10 -9.7 2.6 | 41 15 -10.0 -11.3 68 28 24384 155 10 -4.2 9.1 | 43 7 -4.5 -4.9 69 26 24689 75 10 -9.7 -2.6 | 31 19 -10.0 -16.5 70 25 24994 80 13 -12.8 -2.3 | 39 21 -13.1 -16.2 71 24 25298 120 12 -10.4 6.0 | 54 13 -10.7 -7.9 72 23 25603 125 10 -8.2 5.7 | 46 12 -8.5 -8.2 73 20 26470 65 17 -15.4 -7.2 | 37 26 -15.7 -21.1 74 19 26822 70 16 -15.0 -5.5 | 38 25 -15.4 -19.4 75 17 27432 90 19 -19.0 0.0 | 54 24 -19.3 -13.9 76 16 28042 75 23 -22.2 -6.0 | 49 30 -22.5 -19.9 77 14 28651 130 16 -12.3 10.3 | 74 13 -12.6 -3.6 78 14 28956 95 10 -10.0 0.9 | 38 17 -10.3 -13.0 79 12 29566 95 20 -19.9 1.7 | 59 24 -20.2 -12.2 80 12 29870 125 14 -11.5 8.0 | 63 13 -11.8 -5.9 81 10 31000 80 17 -16.7 -3.0 | 45 24 -17.1 -16.9 Wind Parameters Mean winds (0-6000m): 151.3 at 18.6 knts Storm direction: 181.3 at 13.9 knts Shear (0-3000m) pos: 3.0 neg: 2.8 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 86.4 deg Storm rel helicity (0-3000m) pos: 158.6 neg: -54.3 tot: 104.3 m^2/s^2 ave: 34.8 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.51 Bulk Shear: 5.73 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 ------------------------------------------------------------------------------- 500 143 12 62 9| 12.3 0.0 12.3| 41.4 0.0 41.4 82.7 0.73| 19.4 14.2 1000 143 14 73 9| 6.2 3.5 9.7| 42.2 -8.8 33.4 33.4 0.42| 13.6 5.7 1500 135 16 76 12| 4.1 5.5 9.6| 68.2 -12.7 55.5 37.0 0.41| 13.2 5.4 2000 130 19 84 15| 4.2 4.1 8.3| 96.3 -20.8 75.5 37.7 0.42| 11.7 4.9 2500 129 21 88 17| 4.2 3.3 7.6|141.1 -27.2 113.9 45.6 0.46| 11.5 5.2 3000 132 22 93 17| 3.0 2.8 5.8|158.6 -54.3 104.3 34.8 0.35| 11.5 4.0 4000 136 21 94 15| 2.5 2.1 4.6|162.6 -63.8 98.8 24.7 0.19| 11.3 2.2 5000 142 19 95 12| 3.0 2.0 5.0|189.5 -64.1 125.3 25.1 0.33| 12.0 3.9 6000 151 19 104 10| 2.7 2.3 5.0|198.5 -70.8 127.7 21.3 0.30| 11.1 3.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250422.12.gif