UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 26 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 204 SFC 987 306 7.4 -12.6 23 20.0 0.7 340 1 281.6 281.9 274.5 285.9 1.47 2 925 840 2.0 -14.0 29 16.0 -3.0 225 3 281.4 281.6 274.3 285.5 1.40 3 859 1431 -3.3 -15.3 39 12.0 -6.7 240 8 281.8 282.1 274.5 285.8 1.35 4 857 1449 -2.5 -22.5 20 20.0 -7.3 242 8 282.9 283.0 274.0 285.1 0.73 5 850 1514 -2.5 -26.5 14 24.0 -7.7 250 9 283.5 283.6 274.1 285.1 0.52 6 848 1533 -2.3 -26.3 14 24.0 -7.6 249 9 283.9 284.0 274.3 285.6 0.53 7 828 1722 -3.1 -32.1 9 29.0 -8.6 237 11 285.0 285.1 274.6 286.0 0.31 8 778 2212 -6.1 -33.1 10 27.0 -10.9 250 8 286.9 287.0 275.6 287.9 0.30 9 762 2374 -7.5 -23.5 27 16.0 -11.1 250 10 287.1 287.3 276.4 289.5 0.75 10 704 2985 -11.3 -30.3 19 19.0 -14.7 237 12 289.5 289.6 277.1 290.9 0.44 11 700 3029 -11.7 -30.7 19 19.0 -15.0 235 13 289.5 289.6 277.1 290.9 0.42 12 639 3720 -17.5 -29.5 34 12.0 -19.4 239 6 290.6 290.7 277.8 292.2 0.52 13 618 3969 -19.5 -28.5 45 9.0 -21.0 230 7 291.1 291.2 278.1 293.0 0.59 14 604 4139 -20.5 -32.5 33 12.0 -22.2 225 8 291.8 291.9 278.2 293.2 0.41 15 553 4786 -25.1 -37.1 32 12.0 -26.4 247 11 293.8 293.9 279.0 294.8 0.29 16 500 5510 -31.1 -40.1 41 9.0 -31.9 265 14 295.1 295.2 279.5 295.9 0.23 17 435 6480 -37.9 -43.9 53 6.0 -38.3 264 27 298.5 298.5 281.0 299.1 0.18 18 416 6785 -40.5 -45.5 59 5.0 -40.8 267 31 299.0 299.0 281.1 299.5 0.16 19 400 7050 -42.7 -45.8 72 3.1 -42.9 270 34 299.5 299.5 281.4 300.0 0.16 20 384 7324 -45.1 -46.4 87 1.3 -45.2 272 39 299.9 299.9 281.5 300.4 0.15 21 382 7359 -45.3 -47.0 83 1.7 -45.4 273 40 300.0 300.1 281.5 300.6 0.15 22 379 7412 -45.5 -50.5 57 5.0 -45.7 273 41 300.5 300.5 281.7 300.8 0.10 23 353 7882 -49.3 -51.3 79 2.0 -49.4 277 47 301.5 301.5 282.1 301.9 0.10 24 347 7994 -50.1 -57.1 43 7.0 -50.3 278 49 301.9 301.9 282.2 302.1 0.05 25 334 8243 -50.9 -58.9 38 8.0 -51.1 280 51 304.1 304.1 283.1 304.3 0.04 26 332 8282 -51.1 -61.1 29 10.0 -51.3 279 53 304.4 304.4 283.2 304.5 0.03 27 324 8441 -50.9 -66.9 13 16.0 -51.1 277 58 306.8 306.8 284.1 306.8 0.01 28 314 8645 -51.5 -62.5 26 11.0 -51.7 274 66 308.7 308.7 284.9 308.8 0.03 29 300 8940 -52.7 -63.7 25 11.0 -52.9 270 77 311.1 311.1 285.7 311.2 0.02 30 277 9453 -54.1 -67.5 18 13.4 -54.3 270 89 316.2 316.2 287.5 316.3 0.02 31 271 9594 -54.5 -68.5 16 14.0 -54.7 270 88 317.6 317.6 288.0 317.7 0.01 32 257 9933 -54.9 -72.9 9 18.0 -55.1 273 83 321.9 321.9 289.3 321.9 0.01 33 250 10110 -54.5 -78.5 4 24.0 -54.7 275 77 325.0 325.0 290.3 325.1 0.00 34 211 11203 -51.7 -81.7 2 30.0 -52.1 276 55 345.6 345.6 295.6 345.6 0.00 35 200 11550 -52.7 -82.7 1 30.0 -53.1 280 54 349.3 349.3 296.5 349.3 0.00 36 183 12123 -52.9 -82.9 1 30.0 -53.3 277 52 358.0 358.0 298.3 358.0 0.00 37 150 13410 -51.5 -83.5 1 32.0 -52.1 290 34 381.3 381.3 302.5 381.3 0.00 38 140 13858 -50.7 -83.7 1 33.0 -51.3 277 33 390.3 390.3 303.8 390.3 0.00 39 124 14646 -52.3 -84.3 1 32.0 -52.9 266 29 401.2 401.2 305.4 401.2 0.00 40 109 15485 -49.3 -84.3 1 35.0 -50.3 279 34 421.9 421.9 307.9 422.0 0.00 41 100 16050 -49.5 -84.5 1 35.0 -50.5 280 21 432.1 432.1 309.0 432.1 0.00 42 92 16596 -48.7 -84.7 1 36.0 -49.8 296 20 444.1 444.1 310.3 444.1 0.00 43 78 17669 -52.9 -85.9 1 33.0 -53.8 253 11 456.9 456.9 311.5 456.9 0.00 44 74 18010 -50.9 -85.9 1 35.0 -52.0 247 14 468.0 468.0 312.5 468.0 0.00 45 70 18370 -51.9 -85.9 1 34.0 -52.9 275 16 473.4 473.4 312.9 473.4 0.00 46 50 20550 -53.1 -87.1 1 34.0 -54.4 35 4 518.3 518.3 316.2 518.4 0.00 47 30 23860 -51.5 -86.5 1 35.0 -53.8 115 7 604.2 604.2 320.8 604.3 0.01 48 20 26490 -51.7 -86.7 1 35.0 -54.7 60 20 677.9 677.9 323.7 678.0 0.01 49 16 27944 -51.1 -87.1 1 36.0 -54.8 101 16 724.6 724.6 325.2 724.7 0.01 50 10 31030 -47.9 -85.9 0 38.0 -54.3 80 9 840.7 840.8 328.2 841.0 0.02 51 8.2 32343 -46.5 -85.5 0 39.0 -54.3 895.4 895.4 329.3 895.7 0.03 52 6.8 33607 -39.1 -81.1 0 42.0 -51.8 975.5 975.5 330.8 976.4 0.08 53 5.6 34946 -36.3 -79.3 0 43.0 -51.8 1043.5 1043.6 331.9 1045.1 0.13 54 5.2 35459 -36.7 -79.7 0 43.0 -52.4 1064.1 1064.1 332.2 1065.7 0.13 55 4.9 35875 -32.3 -76.3 0 44.0 -51.2 1102.4 1102.6 332.7 1105.7 0.24 56 4.7 36168 -32.9 -76.9 0 44.0 -51.7 1112.9 1113.0 332.8 1116.0 0.23 TRP 271 9594 -54.5 -68.5 16 14.0 -54.7 270 88 317.6 317.6 288.0 317.7 0.01 WND 277 9453 -54.1 -67.5 18 13.4 -54.3 270 89 316.2 316.2 287.5 316.3 0.02 Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: 900.09 mb = 1062.86 m = 3487.02 ft Wetbulb zero: 975.66 mb = 401.10 m = 1315.92 ft Precipitable water: 0.15 inches Sfc-500 mean rel hum: 27.61 % Est. max temperature: 10.32 C = 50.57 F Sfc-Lift cond lev (LCL): 724.18 mb = 2767.04 m = 9078.10 ft T: -9.94 C 700-500 lapse rate: 7.82 C/km ThetaE index: 0.72 C Layer 857.0- 850.0 mb Conv cond level (CCL): 628.34 mb = 3845.49 m = 12616.28 ft Mean mixing ratio: 1.41 g/kg Conv temperature: 16.60 C = 61.88 F Cap Strength: 8.04 C Lifted Index: 8.43 C Risk: None Lifted Index @300 mb: 18.06 C Lifted Index @700 mb: 6.88 C Showalter Index: 8.84 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 28.60 C Cross Totals Index: 4.60 C K Index: -16.90 Risk: None Sweat Index: 32.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.12 J/kg Max Up Vert Vel: 0.50 m/s Conv Inhibition (B-): 75573.73 J/kg Cap Strength: 8.43 C Lift Cond Lev (LCL): 720.00 mb = 2811.69 m = 9224.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 8 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 ---------------------------------------------------------- 0 987 306 340 1 0.3 -0.9 | 91 7 -7.3 0.1 1 951 610 300 3 2.6 -1.5 | 85 5 -5.0 -0.4 2 925 840 225 3 2.1 2.1 | 120 6 -5.5 3.2 3 916 914 235 3 2.5 1.7 | 118 6 -5.1 2.8 4 882 1219 215 6 3.4 4.9 | 145 7 -4.2 6.0 5 850 1514 250 9 8.5 3.1 | 192 4 0.9 4.1 6 816 1829 230 12 9.2 7.7 | 190 9 1.6 8.8 7 785 2134 250 7 6.6 2.4 | 164 4 -1.0 3.4 8 755 2438 250 11 10.3 3.8 | 210 6 2.7 4.8 9 726 2743 245 9 8.2 3.8 | 187 5 0.6 4.9 10 700 3029 235 13 10.6 7.5 | 200 9 3.1 8.5 11 698 3048 230 12 9.2 7.7 | 190 9 1.6 8.8 12 670 3353 245 10 9.1 4.2 | 196 5 1.5 5.3 13 643 3658 240 6 5.2 3.0 | 149 5 -2.4 4.1 14 592 4267 220 9 5.8 6.9 | 167 8 -1.8 7.9 15 568 4572 225 11 7.8 7.8 | 181 9 0.2 8.8 16 545 4877 260 11 10.8 1.9 | 228 4 3.2 3.0 17 502 5486 265 13 13.0 1.1 | 248 6 5.4 2.2 18 500 5510 265 14 13.9 1.2 | 250 7 6.4 2.3 19 459 6096 260 22 21.7 3.8 | 251 15 14.1 4.9 20 400 7050 270 34 34.0 -0.0 | 268 26 26.4 1.1 21 367 7620 275 45 44.8 -3.9 | 274 37 37.2 -2.9 22 334 8230 280 51 50.2 -8.9 | 280 43 42.6 -7.8 23 300 8940 270 77 77.0 -0.0 | 269 69 69.4 1.1 24 291 9144 270 77 77.0 -0.0 | 269 69 69.4 1.1 25 277 9453 270 89 89.0 -0.0 | 269 81 81.4 1.1 26 271 9594 270 88 88.0 -0.0 | 269 80 80.4 1.1 27 264 9754 270 89 89.0 -0.0 | 269 81 81.4 1.1 28 250 10110 275 77 76.7 -6.7 | 275 69 69.1 -5.7 29 229 10668 280 64 63.0 -11.1 | 280 56 55.4 -10.1 30 209 11278 275 54 53.8 -4.7 | 275 46 46.2 -3.7 31 200 11550 280 54 53.2 -9.4 | 280 46 45.6 -8.3 32 173 12497 275 50 49.8 -4.4 | 274 42 42.2 -3.3 33 165 12802 280 54 53.2 -9.4 | 280 46 45.6 -8.3 34 150 13410 290 34 31.9 -11.6 | 293 27 24.4 -10.6 35 150 13411 295 36 32.6 -15.2 | 299 29 25.0 -14.2 36 143 13716 275 34 33.9 -3.0 | 274 26 26.3 -1.9 37 130 14326 285 31 29.9 -8.0 | 287 23 22.3 -7.0 38 124 14630 265 29 28.9 2.5 | 260 22 21.3 3.6 39 119 14935 285 27 26.1 -7.0 | 288 19 18.5 -5.9 40 113 15240 275 27 26.9 -2.4 | 274 19 19.3 -1.3 41 108 15545 280 35 34.5 -6.1 | 281 27 26.9 -5.0 42 103 15850 300 26 22.5 -13.0 | 309 19 14.9 -11.9 43 100 16050 280 21 20.7 -3.6 | 281 13 13.1 -2.6 44 98 16154 280 21 20.7 -3.6 | 281 13 13.1 -2.6 45 94 16459 305 19 15.6 -10.9 | 321 13 8.0 -9.8 46 90 16764 285 22 21.3 -5.7 | 289 14 13.7 -4.6 47 82 17374 325 13 7.5 -10.6 | 1 10 -0.1 -9.6 48 78 17678 250 11 10.3 3.8 | 210 6 2.7 4.8 49 74 17983 245 14 12.7 5.9 | 216 9 5.1 7.0 50 71 18288 270 11 11.0 -0.0 | 253 4 3.4 1.1 51 70 18370 275 16 15.9 -1.4 | 272 8 8.3 -0.3 52 68 18593 270 15 15.0 -0.0 | 262 7 7.4 1.1 53 65 18898 295 16 14.5 -6.8 | 310 9 6.9 -5.7 54 62 19202 325 14 8.0 -11.5 | 358 10 0.4 -10.4 55 59 19507 340 10 3.4 -9.4 | 27 9 -4.2 -8.3 56 50 20550 35 4 -2.3 -3.3 | 77 10 -9.9 -2.2 57 46 21031 80 2 -2.0 -0.3 | 94 10 -9.6 0.7 58 44 21336 110 3 -2.8 1.0 | 101 11 -10.4 2.1 59 40 21946 270 16 16.0 -0.0 | 263 8 8.4 1.1 60 38 22250 305 17 13.9 -9.8 | 324 11 6.3 -8.7 61 35 22860 360 10 -0.0 -10.0 | 40 12 -7.6 -8.9 62 33 23165 5 11 -1.0 -11.0 | 41 13 -8.6 -9.9 63 32 23470 60 10 -8.7 -5.0 | 76 17 -16.3 -3.9 64 30 23860 115 7 -6.3 3.0 | 106 15 -13.9 4.0 65 26 24689 120 1 -0.9 0.5 | 100 9 -8.5 1.6 66 23 25603 25 10 -4.2 -9.1 | 56 14 -11.8 -8.0 67 22 25908 70 10 -9.4 -3.4 | 82 17 -17.0 -2.4 68 21 26213 50 17 -13.0 -10.9 | 64 23 -20.6 -9.9 69 20 26490 60 20 -17.3 -10.0 | 70 26 -24.9 -8.9 70 20 26518 75 10 -9.7 -2.6 | 85 17 -17.3 -1.5 71 19 26822 50 13 -10.0 -8.4 | 67 19 -17.6 -7.3 72 18 27127 75 21 -20.3 -5.4 | 81 28 -27.9 -4.4 73 17 27432 80 11 -10.8 -1.9 | 87 18 -18.4 -0.9 74 17 27737 90 15 -15.0 0.0 | 93 23 -22.6 1.1 75 15 28346 120 17 -14.7 8.5 | 113 24 -22.3 9.6 76 14 28651 140 10 -6.4 7.7 | 122 17 -14.0 8.7 77 13 29566 75 10 -9.7 -2.6 | 85 17 -17.3 -1.5 78 12 29870 90 12 -12.0 0.0 | 93 20 -19.6 1.1 79 10 31030 80 9 -8.9 -1.6 | 88 16 -16.5 -0.5 Wind Parameters Mean winds (0-6000m): 247.9 at 10.2 knts Storm direction: 277.9 at 7.7 knts Shear (0-3000m) pos: 0.7 neg: 1.5 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 21.5 neg: -9.3 tot: 12.2 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 9.83 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 ------------------------------------------------------------------------------- 500 290 2 92 5| 0.0 3.5 3.5| 3.9 -1.3 2.6 5.2 0.39| 5.9 2.3 1000 242 3 121 5| 0.0 3.8 3.8| 10.9 -1.3 9.6 9.6 0.60| 5.4 3.3 1500 241 5 143 5| 1.7 2.5 4.2| 15.7 -2.0 13.7 9.2 0.51| 6.4 3.3 2000 241 6 154 5| 1.1 1.9 3.0| 17.5 -4.7 12.8 6.4 0.36| 6.6 2.4 2500 243 7 164 4| 0.9 1.7 2.6| 19.1 -6.8 12.3 4.9 0.31| 6.1 1.9 3000 241 8 172 5| 0.7 1.5 2.2| 21.5 -9.3 12.2 4.1 0.25| 6.2 1.6 4000 239 8 170 5| 0.5 1.3 1.8| 24.5 -14.1 10.4 2.6 0.17| 5.7 0.9 5000 241 9 179 5| 1.3 1.0 2.3| 38.6 -14.1 24.5 4.9 0.28| 5.6 1.6 6000 248 10 201 5| 1.1 1.6 2.6| 45.4 -14.5 30.9 5.1 0.26| 5.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250426.00.gif