UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 10 OCT 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 178 SFC 985 306 4.8 -1.2 65 6.0 2.2 220 10 279.2 279.8 276.2 289.0 3.55 2 932 750 1.0 -3.7 71 4.7 -0.9 228 30 279.7 280.3 275.9 288.5 3.12 3 925 810 0.8 -4.2 69 5.0 -1.2 230 32 280.1 280.6 275.9 288.6 3.02 4 906 976 -0.5 -6.5 64 6.0 -2.7 234 32 280.5 280.9 275.5 287.8 2.59 5 894 1083 -0.5 -11.5 43 11.0 -4.0 241 32 281.5 281.8 274.9 286.7 1.77 6 867 1327 -2.3 -12.3 46 10.0 -5.4 260 32 282.1 282.4 275.2 287.1 1.71 7 864 1355 -2.5 -9.5 59 7.0 -4.8 263 31 282.2 282.6 275.8 288.4 2.15 8 861 1383 -2.3 -8.3 63 6.0 -4.4 265 31 282.7 283.1 276.4 289.5 2.37 9 858 1410 -1.5 -3.6 86 2.1 -2.3 268 31 283.8 284.4 278.4 293.5 3.41 10 850 1485 -1.1 -2.4 91 1.3 -1.6 275 31 285.0 285.6 279.4 295.7 3.77 11 838 1599 0.4 -0.3 95 0.7 0.1 291 32 287.7 288.5 281.5 300.5 4.46 12 795 2021 -0.5 -3.8 78 3.3 -1.9 301 37 291.1 291.8 282.1 301.7 3.63 13 738 2613 -3.3 -3.3 100 0.0 -3.3 307 28 294.3 295.1 283.9 306.3 4.06 14 700 3030 -5.7 -5.7 100 0.0 -5.7 310 24 296.2 296.8 284.1 306.8 3.57 15 583 4439 -14.9 -15.4 96 0.5 -15.0 315 36 301.3 301.7 284.4 307.5 1.98 16 576 4531 -14.5 -18.9 69 4.4 -15.7 315 35 302.9 303.1 284.4 307.6 1.49 17 502 5560 -20.7 -23.4 79 2.7 -21.3 320 32 307.4 307.7 285.8 311.3 1.15 18 500 5590 -20.9 -24.5 73 3.6 -21.7 320 32 307.6 307.8 285.7 311.0 1.05 19 451 6344 -25.9 -32.9 52 7.0 -26.9 316 35 310.5 310.6 286.1 312.3 0.53 20 400 7200 -32.9 -35.7 76 2.8 -33.2 320 43 312.2 312.3 286.7 313.8 0.46 21 385 7468 -35.1 -37.6 78 2.5 -35.4 320 44 312.8 312.8 286.8 314.2 0.39 22 300 9160 -48.9 -52.6 65 3.7 -49.0 335 61 316.4 316.4 287.7 316.8 0.10 23 279 9631 -52.7 -55.7 70 3.0 -52.8 333 65 317.6 317.6 288.1 317.9 0.07 24 250 10330 -57.5 -61.6 59 4.1 -57.6 330 72 320.6 320.6 289.0 320.7 0.04 25 239 10613 -59.5 -63.9 56 4.4 -59.6 334 73 321.7 321.7 289.3 321.8 0.03 26 227 10933 -61.6 -65.2 63 3.5 -61.6 330 84 323.3 323.3 289.8 323.4 0.03 27 221 11099 -62.7 -65.8 66 3.1 -62.7 330 81 324.1 324.1 290.0 324.2 0.02 28 217 11211 -62.7 -66.4 61 3.7 -62.7 330 76 325.8 325.8 290.5 325.9 0.02 29 215 11268 -62.7 -67.5 52 4.8 -62.7 330 74 326.6 326.6 290.7 326.7 0.02 30 212 11355 -61.3 -73.3 19 12.0 -61.4 330 70 330.1 330.1 291.7 330.2 0.01 31 203 11626 -57.7 -74.7 10 17.0 -57.9 330 58 339.9 339.9 294.3 340.0 0.01 32 200 11720 -58.1 -75.1 10 17.0 -58.3 330 54 340.8 340.8 294.5 340.8 0.01 33 164 12986 -53.9 -77.9 4 24.0 -54.3 320 38 367.7 367.7 300.2 367.7 0.01 34 157 13267 -54.5 -78.5 4 24.0 -54.9 317 35 371.3 371.3 300.8 371.3 0.01 35 150 13560 -53.7 -78.7 3 25.0 -54.1 300 36 377.5 377.6 301.9 377.6 0.01 36 135 14235 -54.1 -79.1 3 25.0 -54.5 320 33 388.4 388.4 303.6 388.4 0.01 37 130 14477 -52.5 -78.5 3 26.0 -53.1 320 28 395.5 395.5 304.6 395.5 0.01 38 100 16160 -54.9 -81.9 2 27.0 -55.4 305 31 421.7 421.7 307.9 421.7 0.00 39 81 17499 -57.3 -84.3 2 27.0 -57.8 325 18 442.9 442.9 310.1 442.9 0.00 40 71 18339 -53.7 -82.7 2 29.0 -54.5 285 26 467.6 467.6 312.4 467.6 0.01 41 70 18430 -54.1 -83.1 2 29.0 -54.9 295 22 468.6 468.6 312.5 468.7 0.01 42 50 20570 -57.1 -86.1 1 29.0 -57.9 305 18 508.9 508.9 315.6 508.9 0.00 43 41 21821 -58.5 -87.5 1 29.0 -59.3 274 18 535.1 535.2 317.2 535.2 0.00 44 30 23790 -57.1 -87.1 1 30.0 -58.4 270 22 589.0 589.0 320.1 589.0 0.01 45 20 26370 -54.9 -87.9 1 33.0 -57.1 255 22 668.1 668.1 323.3 668.2 0.01 46 12 29657 -52.1 -86.1 1 34.0 -56.3 250 22 783.1 783.2 326.8 783.3 0.02 TRP 221 11099 -62.7 -65.8 66 3.1 -62.7 330 81 324.1 324.1 290.0 324.2 0.02 WND 227 10933 -61.6 -65.2 63 3.5 -61.6 330 84 323.3 323.3 289.8 323.4 0.03 Sounding variables and indices 1000-500 mb thick: 5412.00 m Freezing level: 913.31 mb = 912.38 m = 2993.33 ft Freezing level: 841.20 mb = 1568.49 m = 5145.89 ft Freezing level: 818.89 mb = 1786.50 m = 5861.13 ft Wetbulb zero: 946.66 mb = 624.63 m = 2049.28 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 83.23 % Est. max temperature: 13.57 C = 56.43 F Sfc-Lift cond lev (LCL): 897.91 mb = 1048.13 m = 3438.70 ft T: -0.50 C 700-500 lapse rate: 5.94 C/km ThetaE index: 1.96 C Layer 906.0- 867.0 mb Conv cond level (CCL): 653.04 mb = 3565.01 m = 11696.07 ft Mean mixing ratio: 2.92 g/kg Conv temperature: 23.73 C = 74.71 F Cap Strength: 16.60 C Lifted Index: 16.64 C Risk: None Lifted Index @300 mb: 19.99 C Lifted Index @700 mb: 11.10 C Showalter Index: 11.13 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 18.50 C K Index: 17.40 Risk: < 20 % chance of thunderstorms Sweat Index: 94.00 Risk: None Energy Index: 3.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.61 J/kg Max Up Vert Vel: 4.38 m/s Conv Inhibition (B-): 55186.25 J/kg Cap Strength: 16.62 C Lift Cond Lev (LCL): 850.36 mb = 1481.65 m = 4860.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 24 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 ---------------------------------------------------------- 0 985 306 220 10 6.4 7.7 | 169 29 -5.6 28.3 1 948 610 225 25 17.7 17.7 | 188 39 5.7 38.3 2 925 810 230 32 24.5 20.6 | 197 43 12.5 41.2 3 913 914 230 32 24.5 20.6 | 197 43 12.5 41.2 4 879 1219 250 32 30.1 10.9 | 210 36 18.1 31.6 5 850 1485 275 31 30.9 -2.7 | 227 26 18.9 17.9 6 846 1524 290 32 30.1 -10.9 | 242 20 18.1 9.7 7 814 1829 295 34 30.8 -14.4 | 252 20 18.8 6.2 8 783 2134 305 39 31.9 -22.4 | 275 20 20.0 -1.8 9 754 2438 310 30 23.0 -19.3 | 263 11 11.0 1.3 10 726 2743 305 27 22.1 -15.5 | 243 11 10.1 5.1 11 700 3030 310 24 18.4 -15.4 | 231 8 6.4 5.2 12 698 3048 310 24 18.4 -15.4 | 231 8 6.4 5.2 13 671 3353 295 30 27.2 -12.7 | 242 17 15.2 7.9 14 645 3658 305 34 27.9 -19.5 | 266 16 15.9 1.1 15 619 3962 310 39 29.9 -25.1 | 284 18 17.9 -4.5 16 595 4267 315 37 26.2 -26.2 | 291 15 14.2 -5.5 17 549 4877 315 33 23.3 -23.3 | 283 12 11.3 -2.7 18 500 5590 320 32 20.6 -24.5 | 294 9 8.6 -3.9 19 486 5791 315 32 22.6 -22.6 | 281 11 10.6 -2.0 20 466 6096 315 33 23.3 -23.3 | 283 12 11.3 -2.7 21 400 7200 320 43 27.6 -32.9 | 308 20 15.6 -12.3 22 376 7620 320 44 28.3 -33.7 | 309 21 16.3 -13.1 23 301 9144 335 57 24.1 -51.7 | 339 33 12.1 -31.0 24 300 9160 335 61 25.8 -55.3 | 338 37 13.8 -34.7 25 250 10330 330 72 36.0 -62.4 | 330 48 24.0 -41.7 26 237 10668 335 73 30.9 -66.2 | 338 49 18.9 -45.5 27 227 10933 330 84 42.0 -72.7 | 330 60 30.0 -52.1 28 226 10973 330 84 42.0 -72.7 | 330 60 30.0 -52.1 29 221 11099 330 81 40.5 -70.1 | 330 57 28.5 -49.5 30 200 11720 330 54 27.0 -46.8 | 330 30 15.0 -26.2 31 186 12192 330 47 23.5 -40.7 | 330 23 11.5 -20.1 32 154 13411 315 33 23.3 -23.3 | 283 12 11.3 -2.7 33 150 13560 300 36 31.2 -18.0 | 262 19 19.2 2.6 34 146 13716 300 35 30.3 -17.5 | 260 19 18.3 3.1 35 140 14021 320 37 23.8 -28.3 | 303 14 11.8 -7.7 36 127 14630 320 25 16.1 -19.2 | 250 4 4.1 1.5 37 121 14935 300 30 26.0 -15.0 | 248 15 14.0 5.6 38 115 15240 305 35 28.7 -20.1 | 268 17 16.7 0.5 39 110 15545 320 29 18.6 -22.2 | 284 7 6.6 -1.6 40 100 16154 310 24 18.4 -15.4 | 231 8 6.4 5.2 41 100 16160 305 31 25.4 -17.8 | 258 14 13.4 2.8 42 95 16459 305 31 25.4 -17.8 | 258 14 13.4 2.8 43 91 16764 320 23 14.8 -17.6 | 223 4 2.8 3.0 44 87 17069 300 20 17.3 -10.0 | 207 12 5.3 10.6 45 83 17374 325 22 12.6 -18.0 | 194 3 0.6 2.6 46 79 17678 325 13 7.5 -10.6 | 156 11 -4.5 10.0 47 75 17983 275 13 13.0 -1.1 | 183 20 1.0 19.5 48 72 18288 280 28 27.6 -4.9 | 225 22 15.6 15.8 49 70 18430 295 22 19.9 -9.3 | 215 14 7.9 11.3 50 65 18898 300 21 18.2 -10.5 | 211 12 6.2 10.1 51 56 19812 280 23 22.7 -4.0 | 213 20 10.7 16.6 52 50 20570 305 18 14.7 -10.3 | 195 11 2.7 10.3 53 49 20726 320 20 12.9 -15.3 | 189 5 0.9 5.3 54 46 21031 310 18 13.8 -11.6 | 191 9 1.8 9.0 55 44 21336 255 17 16.4 4.4 | 190 25 4.4 25.0 56 38 22250 290 19 17.9 -6.5 | 203 15 5.9 14.1 57 36 22555 270 17 17.0 -0.0 | 194 21 5.0 20.6 58 35 22860 285 13 12.6 -3.4 | 182 17 0.6 17.3 59 33 23165 230 11 8.4 7.1 | 173 28 -3.6 27.7 60 30 23774 270 20 20.0 -0.0 | 201 22 8.0 20.6 61 30 23790 270 22 22.0 -0.0 | 206 23 10.0 20.6 62 29 24079 270 22 22.0 -0.0 | 206 23 10.0 20.6 63 26 24689 265 26 25.9 2.3 | 211 27 13.9 22.9 64 25 24994 275 20 19.9 -1.7 | 203 20 7.9 18.9 65 24 25298 260 23 22.7 4.0 | 203 27 10.7 24.6 66 23 25603 285 22 21.3 -5.7 | 212 18 9.3 14.9 67 21 26213 240 20 17.3 10.0 | 190 31 5.3 30.6 68 20 26370 255 22 21.3 5.7 | 199 28 9.3 26.3 69 19 26518 265 23 22.9 2.0 | 206 25 10.9 22.6 70 17 26822 245 24 21.8 10.1 | 198 32 9.8 30.8 71 16 27127 270 19 19.0 -0.0 | 199 22 7.0 20.6 72 14 27432 260 17 16.7 3.0 | 191 24 4.7 23.6 73 13 27737 245 16 14.5 6.8 | 185 27 2.5 27.4 74 11 28346 260 34 33.5 5.9 | 219 34 21.5 26.5 75 10 28651 245 32 29.0 13.5 | 206 38 17.0 34.1 76 7 29566 275 22 21.9 -1.9 | 208 21 9.9 18.7 77 6 29870 250 20 18.8 6.8 | 194 28 6.8 27.5 78 6 30175 255 30 29.0 7.8 | 211 33 17.0 28.4 Wind Parameters Mean winds (0-6000m): 299.8 at 31.8 knts Storm direction: 329.8 at 23.9 knts Shear (0-3000m) pos: 6.0 neg: 1.3 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 73.4 deg Storm rel helicity (0-3000m) pos: 437.2 neg: -25.6 tot: 411.6 m^2/s^2 ave: 137.2 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 15.5 stream: 8.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.07 Bulk Shear: 146.38 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 ------------------------------------------------------------------------------- 500 226 22 186 36| 22.7 0.0 22.7|164.3 0.0 164.3 328.5 0.77| 23.0 17.8 1000 234 27 195 38| 12.7 0.0 12.7|288.8 0.0 288.8 288.8 0.77| 19.7 15.2 1500 252 29 207 33| 11.2 0.0 11.2|390.6 0.0 390.6 260.4 0.76| 20.2 15.4 2000 268 31 220 29| 9.0 0.0 9.0|431.7 -3.6 428.1 214.0 0.72| 18.5 13.4 2500 276 30 226 25| 7.2 1.6 8.8|431.7 -21.9 409.8 163.9 0.57| 16.5 9.5 3000 281 30 229 23| 6.0 1.3 7.3|437.2 -25.6 411.6 137.2 0.51| 15.5 8.0 4000 289 31 239 20| 5.9 1.0 6.9|499.5 -25.6 473.9 118.5 0.57| 13.8 7.8 5000 296 32 247 18| 4.7 1.1 5.7|502.7 -31.3 471.3 94.3 0.53| 11.6 6.2 6000 300 32 253 16| 4.1 1.0 5.1|510.4 -37.2 473.2 78.9 0.51| 10.2 5.2 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251010.00.gif