UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070112.upa.cvt Date: 1200Z 1 JUL 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 1 JUL 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 -25 SFC 963 306 16.6 15.7 94 0.9 16.0 245 7 292.9 295.0 290.6 326.2 11.72 2 925 640 14.6 14.3 98 0.3 14.4 260 25 294.2 296.2 290.6 326.1 11.14 3 900 872 13.0 13.0 100 0.0 13.0 268 25 294.9 296.8 290.3 325.1 10.51 4 850 1352 10.4 10.4 100 0.0 10.4 265 26 297.0 298.7 290.0 324.2 9.36 5 700 2945 1.2 1.2 100 0.0 1.2 255 19 303.8 304.9 289.3 321.9 5.97 6 582 4412 -6.3 -6.3 100 0.0 -6.3 217 20 311.5 312.3 290.1 324.5 4.10 7 557 4754 -9.3 -9.3 100 0.0 -9.3 223 24 311.9 312.6 289.6 322.7 3.39 8 550 4851 -10.1 -10.8 95 0.7 -10.4 224 25 312.1 312.7 289.3 321.9 3.05 9 547 4894 -10.5 -14.1 75 3.6 -11.8 225 25 312.1 312.6 288.6 319.7 2.35 10 523 5238 -12.7 -14.1 89 1.4 -13.2 234 27 313.5 314.0 289.2 321.5 2.46 11 500 5580 -15.5 -22.5 55 7.0 -17.3 230 30 314.1 314.4 288.2 318.4 1.26 12 486 5794 -17.3 -28.3 38 11.0 -19.6 230 30 314.5 314.6 287.8 317.1 0.76 13 477 5933 -18.3 -29.3 37 11.0 -20.5 230 31 314.9 315.1 287.9 317.4 0.71 14 426 6770 -22.5 -44.5 12 22.0 -25.1 230 34 319.9 320.0 288.9 320.6 0.17 15 408 7086 -24.5 -36.5 32 12.0 -26.3 230 40 321.3 321.4 289.6 322.8 0.41 16 400 7230 -25.5 -38.5 29 13.0 -27.3 230 43 321.8 321.9 289.7 323.1 0.34 17 383 7544 -26.7 -49.7 10 23.0 -28.9 224 45 324.3 324.3 290.2 324.7 0.11 18 374 7715 -27.7 -46.7 15 19.0 -29.6 219 50 325.2 325.2 290.5 325.8 0.15 19 371 7773 -27.7 -40.7 28 13.0 -29.3 219 52 325.9 326.0 290.9 327.0 0.29 20 359 8008 -29.7 -34.7 62 5.0 -30.4 217 58 326.3 326.4 291.3 328.4 0.56 21 346 8269 -31.7 -34.7 75 3.0 -32.1 215 65 327.1 327.2 291.5 329.2 0.58 22 325 8708 -35.3 -38.0 76 2.7 -35.6 207 67 328.0 328.1 291.6 329.7 0.44 23 306 9124 -38.5 -41.6 72 3.1 -38.8 214 63 329.2 329.3 291.9 330.5 0.33 24 300 9260 -39.5 -44.3 60 4.8 -39.9 215 59 329.7 329.7 291.9 330.6 0.25 25 299 9283 -39.7 -45.7 53 6.0 -40.1 215 59 329.7 329.8 291.9 330.6 0.21 26 295 9375 -40.3 -43.9 68 3.6 -40.6 215 59 330.1 330.2 292.0 331.2 0.26 27 284 9633 -42.5 -46.5 65 4.0 -42.8 216 64 330.6 330.6 292.1 331.4 0.21 28 281 9705 -42.7 -44.8 80 2.1 -42.9 217 66 331.3 331.4 292.3 332.3 0.25 29 278 9777 -43.3 -46.0 75 2.7 -43.5 217 68 331.5 331.5 292.3 332.3 0.22 30 277 9801 -43.5 -47.2 67 3.7 -43.7 217 68 331.5 331.6 292.3 332.3 0.20 31 274 9875 -42.7 -58.7 16 16.0 -43.3 218 70 333.7 333.7 292.8 333.9 0.05 32 273 9899 -42.5 -58.5 16 16.0 -43.2 218 71 334.4 334.4 292.9 334.6 0.05 33 259 10254 -44.3 -62.7 11 18.4 -44.9 220 80 336.8 336.8 293.6 336.9 0.03 34 250 10490 -45.5 -65.5 9 20.0 -46.1 220 73 338.4 338.4 294.0 338.5 0.02 35 223 11246 -48.9 -70.9 6 22.0 -49.4 225 60 344.4 344.4 295.4 344.5 0.01 36 200 11960 -49.9 -75.9 3 26.0 -50.4 230 46 353.8 353.8 297.4 353.8 0.01 37 150 13830 -51.9 -81.9 2 30.0 -52.4 235 48 380.6 380.6 302.3 380.7 0.00 38 148 13917 -52.1 -81.1 2 29.0 -52.6 240 46 381.8 381.8 302.5 381.8 0.00 39 142 14186 -51.1 -82.1 1 31.0 -51.7 245 50 388.1 388.1 303.5 388.1 0.00 40 136 14465 -52.9 -82.9 1 30.0 -53.4 250 53 389.7 389.7 303.8 389.7 0.00 41 120 15275 -51.7 -82.7 1 31.0 -52.4 258 22 406.1 406.1 306.0 406.1 0.00 42 110 15837 -53.9 -83.9 1 30.0 -54.5 238 24 412.2 412.2 306.8 412.2 0.00 43 100 16450 -53.3 -84.3 1 31.0 -53.9 265 19 424.7 424.7 308.3 424.8 0.00 44 90 17132 -52.1 -84.1 1 32.0 -52.9 254 16 440.1 440.1 309.9 440.1 0.00 45 86 17426 -53.7 -84.7 1 31.0 -54.4 239 14 442.7 442.7 310.1 442.7 0.00 46 72 18577 -51.1 -85.1 1 34.0 -52.2 260 14 471.3 471.3 312.7 471.3 0.00 47 70 18760 -51.9 -84.9 1 33.0 -52.9 260 9 473.4 473.4 312.9 473.4 0.00 48 63 19439 -54.1 -86.1 1 32.0 -55.0 241 12 483.0 483.0 313.7 483.0 0.00 49 50 20930 -51.3 -85.3 1 34.0 -52.8 50 6 522.6 522.6 316.5 522.6 0.01 50 30 24280 -47.1 -85.1 1 38.0 -50.4 195 5 616.2 616.2 321.3 616.3 0.01 51 25 25499 -44.3 -84.3 0 40.0 -49.0 92 7 657.3 657.3 323.0 657.4 0.01 52 22 26354 -46.5 -85.5 0 39.0 -50.8 118 18 675.2 675.2 323.6 675.3 0.01 53 20 26990 -45.3 -85.3 0 40.0 -50.4 85 17 697.5 697.5 324.4 697.6 0.01 54 18 27694 -43.7 -83.7 0 40.0 -49.7 76 19 723.9 723.9 325.2 724.1 0.02 55 17 28077 -44.5 -84.5 0 40.0 -50.4 106 15 733.3 733.3 325.4 733.4 0.02 56 10 31690 -36.3 -79.3 0 43.0 -48.7 90 28 884.0 884.1 329.1 884.8 0.07 57 5.8 35546 -26.7 -72.7 0 46.0 -48.5 1075.0 1075.2 332.3 1079.6 0.36 TRP 223 11246 -48.9 -70.9 6 22.0 -49.4 225 60 344.4 344.4 295.4 344.5 0.01 WND 259 10254 -44.3 -62.7 11 18.4 -44.9 220 80 336.8 336.8 293.6 336.9 0.03 Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 681.12 mb = 3179.67 m = 10431.86 ft Wetbulb zero: 681.25 mb = 3160.69 m = 10369.59 ft Precipitable water: 1.30 inches Sfc-500 mean rel hum: 96.40 % Est. max temperature: 22.26 C = 72.06 F Sfc-Lift cond lev (LCL): 950.42 mb = 415.08 m = 1361.79 ft T: 15.95 C 700-500 lapse rate: 6.34 C/km ThetaE index: 4.39 C Layer 925.0- 582.0 mb Conv cond level (CCL): 907.62 mb = 800.56 m = 2626.49 ft Mean mixing ratio: 10.77 g/kg Conv temperature: 18.39 C = 65.11 F Cap Strength: 0.04 C Lifted Index: -2.04 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 3.72 C Lifted Index @700 mb: -1.46 C Showalter Index: -1.37 C Risk: Thunderstorms probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 25.90 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 262.80 Risk: None Energy Index: -1.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 268.87 J/kg Max Up Vert Vel: 23.19 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.04 C Lift Cond Lev (LCL): 908.75 mb = 789.98 m = 2591.78 ft Lev Free Conv (LFC): 903.75 mb = 836.68 m = 2744.97 ft Equ Level (EL): 403.75 mb = 7162.13 m = 23497.53 ft B at Equ Level: 267.01 J/kg Max Parcel Lev (MPL): 283.75 mb = 9638.69 m = 31622.63 ft Wind level data Storm motion: 274 at 17 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 ---------------------------------------------------------- 0 963 306 245 7 6.3 3.0 | 111 12 -10.8 4.2 1 928 610 260 24 23.6 4.2 | 230 8 6.4 5.4 2 925 640 260 25 24.6 4.3 | 233 9 7.4 5.6 3 895 914 270 25 25.0 -0.0 | 261 8 7.8 1.2 4 864 1219 260 26 25.6 4.5 | 236 10 8.4 5.7 5 850 1352 265 26 25.9 2.3 | 248 9 8.7 3.5 6 802 1829 265 24 23.9 2.1 | 244 7 6.7 3.3 7 773 2134 255 20 19.3 5.2 | 198 7 2.1 6.4 8 745 2438 265 19 18.9 1.7 | 211 3 1.7 2.9 9 717 2743 255 16 15.5 4.1 | 162 6 -1.7 5.4 10 700 2945 255 19 18.4 4.9 | 191 6 1.2 6.1 11 639 3658 245 20 18.1 8.5 | 186 10 0.9 9.7 12 591 4267 215 19 10.9 15.6 | 159 18 -6.3 16.8 13 547 4877 225 25 17.7 17.7 | 181 19 0.5 18.9 14 526 5182 235 27 22.1 15.5 | 196 17 4.9 16.7 15 500 5580 230 30 23.0 19.3 | 196 21 5.8 20.5 16 466 6096 230 31 23.7 19.9 | 197 22 6.6 21.2 17 447 6401 230 27 20.7 17.4 | 191 19 3.5 18.6 18 400 7230 230 43 32.9 27.6 | 209 33 15.8 28.9 19 395 7315 235 38 31.1 21.8 | 211 27 13.9 23.0 20 378 7620 220 48 30.9 36.8 | 200 40 13.7 38.0 21 347 8230 215 65 37.3 53.2 | 200 58 20.1 54.5 22 318 8839 205 67 28.3 60.7 | 190 63 11.1 61.9 23 305 9144 215 63 36.1 51.6 | 200 56 18.9 52.8 24 300 9260 215 59 33.8 48.3 | 199 52 16.7 49.6 25 292 9449 215 59 33.8 48.3 | 199 52 16.7 49.6 26 259 10254 220 80 51.4 61.3 | 209 71 34.2 62.5 27 255 10363 220 80 51.4 61.3 | 209 71 34.2 62.5 28 250 10490 220 73 46.9 55.9 | 207 64 29.7 57.1 29 243 10668 220 73 46.9 55.9 | 207 64 29.7 57.1 30 223 11246 225 60 42.4 42.4 | 210 50 25.2 43.7 31 200 11960 230 46 35.2 29.6 | 210 36 18.1 30.8 32 193 12192 230 45 34.5 28.9 | 210 35 17.3 30.2 33 184 12497 215 50 28.7 41.0 | 195 44 11.5 42.2 34 168 13106 225 57 40.3 40.3 | 209 48 23.1 41.5 35 150 13830 235 48 39.3 27.5 | 218 36 22.1 28.8 36 146 14021 245 44 39.9 18.6 | 229 30 22.7 19.8 37 139 14326 245 55 49.8 23.2 | 233 41 32.7 24.5 38 133 14630 255 50 48.3 12.9 | 246 34 31.1 14.2 39 121 15240 255 22 21.3 5.7 | 210 8 4.1 6.9 40 115 15545 285 24 23.2 -6.2 | 310 8 6.0 -5.0 41 110 15850 235 24 19.7 13.8 | 189 15 2.5 15.0 42 105 16154 260 34 33.5 5.9 | 246 18 16.3 7.1 43 100 16450 265 19 18.9 1.7 | 211 3 1.7 2.9 44 100 16459 265 28 27.9 2.4 | 251 11 10.7 3.7 45 95 16764 265 20 19.9 1.7 | 223 4 2.7 3.0 46 91 17069 260 17 16.7 3.0 | 174 4 -0.4 4.2 47 87 17374 230 14 10.7 9.0 | 148 12 -6.5 10.2 48 83 17678 280 15 14.8 -2.6 | 60 3 -2.4 -1.4 49 72 18593 260 14 13.8 2.4 | 137 5 -3.4 3.7 50 70 18760 260 9 8.9 1.6 | 109 9 -8.3 2.8 51 69 18898 270 13 13.0 -0.0 | 106 4 -4.2 1.2 52 65 19202 245 11 10.0 4.6 | 129 9 -7.2 5.9 53 62 19507 240 12 10.4 6.0 | 137 10 -6.8 7.2 54 59 19812 300 11 9.5 -5.5 | 61 9 -7.7 -4.3 55 57 20117 310 10 7.7 -6.4 | 61 11 -9.5 -5.2 56 50 20930 50 6 -4.6 -3.9 | 83 22 -21.8 -2.6 57 47 21336 90 3 -3.0 0.0 | 93 20 -20.2 1.2 58 39 22555 0 0 -0.0 -0.0 | 94 17 -17.2 1.2 59 37 22860 95 11 -11.0 1.0 | 94 28 -28.1 2.2 60 36 23165 110 10 -9.4 3.4 | 100 27 -26.6 4.6 61 30 24280 195 5 1.3 4.8 | 111 17 -15.9 6.1 62 26 25298 135 1 -0.7 0.7 | 96 18 -17.9 1.9 63 25 25603 70 10 -9.4 -3.4 | 85 27 -26.6 -2.2 64 24 25908 85 14 -13.9 -1.2 | 90 31 -31.1 0.0 65 21 26518 130 19 -14.6 12.2 | 113 34 -31.7 13.4 66 21 26822 85 2 -2.0 -0.2 | 93 19 -19.2 1.1 67 20 26990 85 17 -16.9 -1.5 | 90 34 -34.1 -0.3 68 20 27127 75 10 -9.7 -2.6 | 87 27 -26.8 -1.4 69 19 27432 85 17 -16.9 -1.5 | 90 34 -34.1 -0.3 70 18 27737 75 19 -18.4 -4.9 | 84 36 -35.5 -3.7 71 17 28042 110 14 -13.2 4.8 | 101 31 -30.3 6.0 72 16 28346 85 20 -19.9 -1.7 | 89 37 -37.1 -0.5 73 16 28651 65 16 -14.5 -6.8 | 80 32 -31.7 -5.5 74 15 28956 70 25 -23.5 -8.6 | 80 41 -40.7 -7.3 75 14 29261 65 21 -19.0 -8.9 | 78 37 -36.2 -7.7 76 14 29566 45 19 -13.4 -13.4 | 68 33 -30.6 -12.2 77 13 29870 100 35 -34.5 6.1 | 98 52 -51.7 7.3 78 13 30175 100 29 -28.6 5.0 | 98 46 -45.7 6.3 79 10 31690 90 28 -28.0 0.0 | 92 45 -45.2 1.2 Wind Parameters Mean winds (0-6000m): 244.1 at 23.0 knts Storm direction: 274.1 at 17.2 knts Shear (0-3000m) pos: 2.9 neg: 1.3 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 77.1 deg Storm rel helicity (0-3000m) pos: 47.9 neg: -23.2 tot: 24.8 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 2.1 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 43.42 Bulk Shear: 6.19 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 ------------------------------------------------------------------------------- 500 260 19 200 5| 19.2 0.0 19.2| 35.1 0.0 35.1 70.2 0.88| 21.6 19.1 1000 263 22 231 6| 9.6 0.8 10.4| 41.6 -8.6 33.0 33.0 0.63| 14.5 9.1 1500 263 23 237 7| 5.8 0.5 6.3| 43.2 -9.8 33.5 22.3 0.58| 10.5 6.1 2000 263 23 232 7| 4.4 1.2 5.5| 43.7 -19.2 24.5 12.3 0.34| 9.7 3.3 2500 262 22 227 6| 3.5 1.6 5.1| 44.9 -22.6 22.3 8.9 0.25| 8.9 2.2 3000 261 21 220 6| 2.9 1.3 4.2| 47.9 -23.2 24.8 8.3 0.26| 8.0 2.1 4000 255 21 204 7| 2.2 2.5 4.6| 47.9 -44.7 3.2 0.8 0.11| 7.6 0.8 5000 248 21 197 10| 2.9 2.0 4.8|102.9 -44.8 58.0 11.6 0.25| 7.3 1.8 6000 244 23 197 12| 2.4 1.8 4.2|105.5 -54.1 51.3 8.6 0.21| 6.6 1.4 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250701.12.gif