UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 8 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 142 SFC 980 306 -0.5 -1.4 94 0.9 -0.9 240 4 274.2 274.8 273.3 283.8 3.52 2 936 671 -2.5 -2.5 100 0.0 -2.5 289 19 275.8 276.4 274.1 285.1 3.39 3 925 764 -3.3 -3.3 100 0.0 -3.3 295 18 275.9 276.5 273.9 284.8 3.23 4 908 910 -4.3 -4.3 100 0.0 -4.3 295 21 276.4 276.9 273.9 284.8 3.06 5 859 1347 -5.7 -10.1 71 4.4 -7.1 306 24 279.3 279.7 274.1 285.2 2.06 6 850 1429 -6.5 -10.0 76 3.5 -7.6 310 24 279.3 279.7 274.2 285.3 2.10 7 772 2173 -12.1 -14.0 86 1.9 -12.6 306 24 281.1 281.4 274.5 286.0 1.68 8 742 2475 -14.1 -16.7 81 2.6 -14.7 309 24 282.1 282.4 274.7 286.2 1.39 9 720 2703 -14.9 -22.9 50 8.0 -16.5 306 27 283.7 283.8 274.7 286.2 0.84 10 714 2767 -15.3 -23.3 50 8.0 -16.9 305 27 283.9 284.1 274.8 286.4 0.82 11 711 2798 -15.5 -20.4 66 4.9 -16.6 305 27 284.1 284.2 275.2 287.2 1.06 12 700 2916 -16.3 -23.3 55 7.0 -17.6 305 26 284.4 284.6 275.1 287.0 0.84 13 691 3013 -16.3 -26.3 42 10.0 -18.1 305 26 285.5 285.6 275.3 287.5 0.65 14 665 3301 -18.3 -29.3 37 11.0 -20.0 305 26 286.4 286.5 275.6 288.0 0.51 15 651 3459 -19.3 -29.3 41 10.0 -20.8 305 26 287.0 287.1 276.0 288.6 0.52 16 631 3691 -20.3 -35.3 25 15.0 -22.2 305 26 288.4 288.5 276.3 289.4 0.30 17 626 3750 -20.5 -30.5 40 10.0 -22.0 304 26 288.9 289.0 276.9 290.4 0.48 18 624 3774 -20.5 -36.5 23 16.0 -22.4 303 26 289.1 289.2 276.7 290.0 0.27 19 616 3869 -20.9 -39.9 16 19.0 -22.9 302 27 289.7 289.8 276.9 290.4 0.19 20 602 4039 -21.9 -36.9 24 15.0 -23.7 299 27 290.5 290.5 277.3 291.4 0.27 21 598 4088 -22.3 -31.3 44 9.0 -23.5 298 27 290.6 290.7 277.7 292.1 0.47 22 555 4632 -25.9 -30.6 65 4.7 -26.5 289 27 292.6 292.7 278.8 294.3 0.54 23 500 5380 -31.3 -37.3 55 6.0 -31.9 275 31 294.9 294.9 279.5 295.9 0.31 24 414 6687 -40.9 -52.9 26 12.0 -41.3 259 33 298.9 298.9 281.0 299.1 0.07 25 400 6920 -42.7 -53.7 29 11.0 -43.1 255 34 299.5 299.5 281.2 299.7 0.06 26 379 7282 -45.7 -54.7 36 9.0 -46.0 251 34 300.2 300.2 281.5 300.4 0.06 27 359 7642 -46.9 -59.9 21 13.0 -47.2 255 40 303.3 303.3 282.7 303.4 0.03 28 347 7868 -45.5 -63.5 11 18.0 -45.9 255 43 308.1 308.1 284.7 308.2 0.02 29 300 8840 -44.5 -69.5 5 25.0 -45.1 240 48 322.6 322.6 289.6 322.7 0.01 30 260 9797 -44.3 -74.3 2 30.0 -45.0 236 59 336.4 336.4 293.4 336.4 0.01 31 250 10060 -43.5 -76.5 1 33.0 -44.3 240 57 341.4 341.4 294.7 341.4 0.00 32 236 10447 -42.5 -77.5 1 35.0 -43.4 240 64 348.6 348.6 296.3 348.6 0.00 33 235 10476 -42.5 -77.6 1 35.0 -43.5 240 65 349.0 349.0 296.4 349.0 0.00 34 200 11560 -43.5 -79.5 1 36.0 -44.5 240 54 363.9 363.9 299.4 363.9 0.00 35 160 13052 -45.5 -81.5 1 36.0 -46.4 255 54 384.5 384.5 302.9 384.5 0.00 36 150 13480 -47.5 -81.5 1 34.0 -48.3 240 52 388.2 388.2 303.5 388.2 0.00 37 145 13703 -48.3 -82.3 1 34.0 -49.1 241 51 390.6 390.6 303.9 390.6 0.00 38 123 14780 -49.7 -83.7 1 34.0 -50.5 244 47 406.9 406.9 306.1 406.9 0.00 39 106 15744 -53.1 -85.1 1 32.0 -53.7 256 44 418.1 418.1 307.5 418.1 0.00 40 100 16120 -52.1 -85.1 1 33.0 -52.8 265 44 427.1 427.1 308.5 427.1 0.00 41 92 16664 -50.1 -85.1 1 35.0 -51.1 265 45 441.3 441.3 310.0 441.3 0.00 42 70 18430 -56.1 -87.1 1 31.0 -56.8 245 30 464.4 464.4 312.1 464.4 0.00 43 66 18803 -57.5 -87.5 1 30.0 -58.1 261 29 469.2 469.2 312.5 469.2 0.00 44 50 20570 -54.9 -87.9 1 33.0 -55.9 255 7 514.1 514.1 315.9 514.1 0.00 45 44 21377 -58.7 -88.7 1 30.0 -59.5 223 20 524.0 524.0 316.5 524.0 0.00 46 41 21822 -55.9 -88.9 1 33.0 -57.0 269 23 541.6 541.6 317.6 541.7 0.00 47 30 23800 -56.7 -88.7 1 32.0 -58.0 245 12 590.1 590.1 320.2 590.1 0.00 48 27 24464 -57.9 -89.9 1 32.0 -59.2 215 14 604.7 604.7 320.8 604.8 0.00 49 21 26059 -54.3 -88.3 1 34.0 -56.6 255 11 660.7 660.7 323.1 660.7 0.01 50 20 26370 -55.7 -88.7 1 33.0 -57.8 245 14 665.7 665.7 323.3 665.7 0.01 51 18 27041 -55.7 -88.7 1 33.0 -57.9 242 15 686.0 686.0 324.0 686.1 0.01 TRP 359 7642 -46.9 -59.9 21 13.0 -47.2 255 40 303.3 303.3 282.7 303.4 0.03 WND 235 10476 -42.5 -77.6 1 35.0 -43.5 240 65 349.0 349.0 296.4 349.0 0.00 Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 64.34 % Est. max temperature: 5.02 C = 41.04 F Sfc-Lift cond lev (LCL): 966.16 mb = 418.91 m = 1374.35 ft T: -1.12 C 700-500 lapse rate: 6.09 C/km ThetaE index: 0.31 C Layer 925.0- 859.0 mb Conv cond level (CCL): 919.69 mb = 809.48 m = 2655.75 ft Mean mixing ratio: 3.18 g/kg Conv temperature: 1.33 C = 34.40 F Cap Strength: 7.71 C Lifted Index: 8.93 C Risk: None Lifted Index @300 mb: 26.91 C Lifted Index @700 mb: 2.96 C Showalter Index: 8.47 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 21.30 C K Index: 7.80 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.30 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 56551.64 J/kg Cap Strength: 8.92 C Lift Cond Lev (LCL): 921.30 mb = 795.64 m = 2610.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 19 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 ---------------------------------------------------------- 0 980 306 240 4 3.5 2.0 | 155 19 -8.3 17.4 1 943 610 285 20 19.3 -5.2 | 216 13 7.6 10.2 2 925 764 295 18 16.3 -7.6 | 210 9 4.6 7.8 3 907 914 295 21 19.0 -8.9 | 228 10 7.3 6.5 4 873 1219 300 25 21.7 -12.5 | 254 10 9.9 2.9 5 850 1429 310 24 18.4 -15.4 | 270 7 6.6 -0.0 6 840 1524 305 21 17.2 -12.0 | 238 6 5.4 3.4 7 807 1829 305 26 21.3 -14.9 | 267 10 9.5 0.5 8 775 2134 305 24 19.7 -13.8 | 258 8 7.9 1.6 9 745 2438 310 24 18.4 -15.4 | 270 7 6.6 -0.0 10 716 2743 305 27 22.1 -15.5 | 270 10 10.4 -0.1 11 700 2916 305 26 21.3 -14.9 | 267 10 9.5 0.5 12 633 3658 305 26 21.3 -14.9 | 267 10 9.5 0.5 13 582 4267 295 28 25.4 -11.8 | 255 14 13.6 3.6 14 536 4877 285 26 25.1 -6.7 | 237 16 13.4 8.7 15 500 5380 275 31 30.9 -2.7 | 236 23 19.1 12.7 16 451 6096 270 32 32.0 -0.0 | 233 25 20.2 15.4 17 400 6920 255 34 32.8 8.8 | 221 32 21.1 24.2 18 395 7010 260 30 29.5 5.2 | 221 27 17.8 20.6 19 377 7315 250 35 32.9 12.0 | 218 35 21.1 27.4 20 360 7620 255 39 37.7 10.1 | 225 36 25.9 25.5 21 359 7642 255 40 38.6 10.4 | 226 37 26.9 25.8 22 329 8230 255 47 45.4 12.2 | 231 43 33.6 27.6 23 300 8840 240 48 41.6 24.0 | 217 49 29.8 39.4 24 287 9144 240 52 45.0 26.0 | 219 53 33.3 41.4 25 262 9754 235 59 48.3 33.8 | 217 61 36.6 49.2 26 250 10060 240 57 49.4 28.5 | 221 58 37.6 43.9 27 235 10476 240 65 56.3 32.5 | 223 65 44.5 47.9 28 228 10668 245 64 58.0 27.0 | 227 63 46.3 42.5 29 200 11560 240 54 46.8 27.0 | 220 55 35.0 42.4 30 199 11582 245 52 47.1 22.0 | 223 51 35.4 37.4 31 159 13106 255 54 52.2 14.0 | 234 50 40.4 29.4 32 152 13411 240 49 42.4 24.5 | 218 50 30.7 39.9 33 150 13480 240 52 45.0 26.0 | 219 53 33.3 41.4 34 114 15240 245 45 40.8 19.0 | 220 45 29.0 34.4 35 100 16120 265 44 43.8 3.8 | 239 37 32.1 19.2 36 95 16459 265 44 43.8 3.8 | 239 37 32.1 19.2 37 86 17069 265 47 46.8 4.1 | 241 40 35.1 19.5 38 75 17983 250 25 23.5 8.6 | 206 27 11.7 24.0 39 72 18288 265 30 29.9 2.6 | 225 26 18.1 18.0 40 70 18430 245 30 27.2 12.7 | 209 32 15.4 28.1 41 68 18593 240 28 24.2 14.0 | 203 32 12.5 29.4 42 65 18898 270 29 29.0 -0.0 | 228 23 17.2 15.4 43 62 19202 255 35 33.8 9.1 | 222 33 22.1 24.5 44 59 19507 275 37 36.9 -3.2 | 244 28 25.1 12.2 45 56 19812 275 22 21.9 -1.9 | 217 17 10.2 13.5 46 54 20117 250 23 21.6 7.9 | 203 25 9.9 23.3 47 51 20422 265 31 30.9 2.7 | 227 26 19.1 18.1 48 50 20570 255 7 6.8 1.8 | 164 18 -5.0 17.2 49 49 20726 290 16 15.0 -5.5 | 198 10 3.3 9.9 50 46 21031 220 12 7.7 9.2 | 171 25 -4.0 24.6 51 44 21336 220 19 12.2 14.6 | 181 30 0.5 30.0 52 42 21641 245 26 23.6 11.0 | 204 29 11.8 26.4 53 40 21946 285 21 20.3 -5.4 | 221 13 8.5 10.0 54 38 22250 260 18 17.7 3.1 | 198 19 6.0 18.5 55 33 23165 280 22 21.7 -3.8 | 221 15 9.9 11.6 56 32 23470 250 18 16.9 6.2 | 193 22 5.2 21.6 57 30 23774 270 17 17.0 -0.0 | 199 16 5.2 15.4 58 30 23800 245 12 10.9 5.1 | 178 20 -0.9 20.5 59 29 24079 265 16 15.9 1.4 | 194 17 4.2 16.8 60 27 24384 205 12 5.1 10.9 | 166 27 -6.7 26.3 61 26 24689 240 18 15.6 9.0 | 189 25 3.8 24.4 62 25 24994 250 22 20.7 7.5 | 201 25 8.9 22.9 63 24 25298 240 15 13.0 7.5 | 183 23 1.2 22.9 64 22 25908 265 13 13.0 1.1 | 184 17 1.2 16.5 65 21 26213 245 10 9.1 4.2 | 172 20 -2.7 19.6 66 20 26370 245 14 12.7 5.9 | 183 21 0.9 21.3 67 17 26822 240 16 13.9 8.0 | 185 23 2.1 23.4 68 15 27127 260 14 13.8 2.4 | 187 18 2.0 17.8 69 14 27432 260 12 11.8 2.1 | 180 17 0.1 17.5 Wind Parameters Mean winds (0-6000m): 292.7 at 25.8 knts Storm direction: 322.7 at 19.4 knts Shear (0-3000m) pos: 3.9 neg: 0.4 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 104.7 neg: -9.7 tot: 95.0 m^2/s^2 ave: 31.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.71 Bulk Shear: 17.40 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 ------------------------------------------------------------------------------- 500 285 15 192 12| 17.4 0.0 17.4| 74.4 -1.1 73.4 146.7 0.78| 22.9 17.8 1000 293 19 214 10| 11.9 0.0 11.9| 93.5 -1.1 92.4 92.4 0.81| 15.8 12.7 1500 298 20 226 9| 8.3 0.0 8.3|101.8 -5.8 96.0 64.0 0.66| 13.6 8.9 2000 300 21 236 8| 5.9 0.0 5.9|103.3 -8.0 95.2 47.6 0.61| 10.9 6.6 2500 302 22 243 8| 4.7 0.6 5.3|104.7 -8.7 96.0 38.4 0.57| 9.6 5.4 3000 303 23 247 8| 3.9 0.4 4.3|104.7 -9.7 95.0 31.7 0.55| 8.1 4.4 4000 302 24 252 9| 2.9 0.9 3.9|104.7 -18.3 86.4 21.6 0.44| 6.8 3.0 5000 298 25 249 11| 2.3 1.6 4.0|105.0 -37.1 67.9 13.6 0.30| 6.5 1.9 6000 293 26 246 13| 2.0 1.9 3.8|105.0 -57.7 47.3 7.9 0.22| 5.9 1.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251008.12.gif