UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 30 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 146 SFC 979 306 -6.9 -11.3 71 4.4 -8.1 25 7 267.9 268.1 266.3 272.4 1.64 2 925 749 -12.1 -13.1 92 1.0 -12.3 355 12 266.9 267.2 265.4 271.1 1.50 3 889 1051 -14.9 -14.9 100 0.0 -14.9 360 17 267.1 267.3 265.2 270.8 1.35 4 881 1119 -13.5 -15.8 83 2.3 -14.0 12 20 269.2 269.4 266.5 272.8 1.26 5 868 1233 -10.7 -18.7 52 8.0 -12.5 30 24 273.3 273.5 268.8 276.2 1.01 6 850 1394 -10.3 -19.3 48 9.0 -12.3 25 22 275.4 275.5 270.0 278.2 0.98 7 768 2172 -11.7 -31.7 17 20.0 -14.9 9 25 282.0 282.0 272.9 283.1 0.35 8 737 2487 -12.3 -30.3 21 18.0 -15.3 359 24 284.6 284.7 274.5 286.0 0.42 9 700 2879 -14.1 -32.1 20 18.0 -16.9 345 24 286.9 286.9 275.6 288.1 0.37 10 619 3805 -18.7 -33.7 25 15.0 -20.8 341 24 291.9 291.9 278.2 293.0 0.36 11 556 4598 -23.1 -53.1 5 30.0 -25.3 315 25 295.8 295.8 279.5 295.9 0.05 12 536 4866 -24.3 -49.3 8 25.0 -26.3 320 28 297.4 297.5 280.3 297.7 0.08 13 500 5370 -27.7 -50.7 9 23.0 -29.3 320 31 299.3 299.3 281.1 299.5 0.07 14 407 6820 -37.7 -53.7 17 16.0 -38.4 311 36 304.5 304.5 283.3 304.7 0.06 15 400 6940 -38.1 -60.1 8 22.0 -38.9 310 36 305.5 305.5 283.6 305.6 0.03 16 354 7773 -42.3 -58.3 16 16.0 -42.8 309 41 310.7 310.7 285.6 310.8 0.04 17 332 8205 -44.5 -66.5 7 22.0 -45.0 308 43 313.4 313.4 286.5 313.5 0.02 18 300 8880 -46.7 -67.7 7 21.0 -47.1 305 46 319.5 319.5 288.6 319.6 0.01 19 269 9592 -50.5 -70.5 8 20.0 -50.8 290 44 324.1 324.1 290.0 324.2 0.01 20 253 9992 -48.1 -74.1 3 26.0 -48.6 294 40 333.4 333.4 292.6 333.4 0.01 21 250 10070 -48.1 -73.1 4 25.0 -48.6 295 39 334.6 334.6 292.9 334.6 0.01 22 238 10393 -49.3 -76.3 3 27.0 -49.7 287 41 337.5 337.5 293.7 337.5 0.01 23 222 10852 -46.9 -78.9 1 32.0 -47.5 283 39 348.0 348.0 296.2 348.0 0.00 24 210 11218 -48.5 -80.5 1 32.0 -49.0 281 37 351.0 351.0 296.8 351.0 0.00 25 200 11540 -47.5 -81.5 1 34.0 -48.1 275 39 357.6 357.6 298.2 357.6 0.00 26 190 11880 -47.1 -82.1 1 35.0 -47.8 272 39 363.5 363.5 299.4 363.5 0.00 27 157 13140 -49.5 -83.5 1 34.0 -50.1 278 35 379.8 379.8 302.2 379.8 0.00 28 150 13440 -48.9 -83.9 1 35.0 -49.6 260 35 385.8 385.8 303.2 385.8 0.00 29 145 13663 -48.7 -83.7 1 35.0 -49.5 256 35 389.9 389.9 303.8 389.9 0.00 30 126 14580 -51.7 -84.7 1 33.0 -52.3 267 46 400.5 400.5 305.3 400.5 0.00 31 113 15288 -50.5 -85.5 1 35.0 -51.3 274 36 415.4 415.4 307.2 415.4 0.00 32 100 16080 -52.9 -85.9 1 33.0 -53.6 260 37 425.5 425.5 308.3 425.5 0.00 33 79 17597 -53.5 -86.5 1 33.0 -54.3 257 28 454.0 454.0 311.2 454.0 0.00 34 72 18197 -50.7 -85.7 1 35.0 -51.9 276 30 472.1 472.1 312.8 472.1 0.00 35 70 18380 -51.9 -85.9 1 34.0 -52.9 260 22 473.4 473.4 312.9 473.4 0.00 36 56 19818 -53.1 -87.1 1 34.0 -54.2 285 21 501.8 501.8 315.1 501.8 0.00 37 54 20053 -50.9 -86.9 1 36.0 -52.4 273 23 512.1 512.1 315.8 512.1 0.00 38 50 20550 -52.9 -86.9 1 34.0 -54.2 260 10 518.8 518.8 316.2 518.8 0.00 39 45 21227 -54.3 -87.3 1 33.0 -55.5 226 12 531.3 531.3 317.0 531.3 0.00 40 37 22491 -50.7 -86.7 1 36.0 -52.8 239 11 571.1 571.1 319.2 571.2 0.01 41 30 23850 -52.9 -87.9 1 35.0 -54.9 165 7 600.4 600.4 320.6 600.5 0.01 42 22 25853 -53.3 -88.3 1 35.0 -55.7 250 8 654.9 654.9 322.9 655.0 0.01 43 20 26470 -51.7 -87.7 1 36.0 -54.7 245 1 677.9 677.9 323.7 678.0 0.01 44 14 28808 -46.7 -85.7 0 39.0 -52.4 51 12 767.7 767.7 326.4 767.8 0.02 45 12 29824 -49.1 -87.1 0 38.0 -54.4 105 10 793.8 793.8 327.1 793.9 0.02 46 10 31030 -45.5 -84.5 0 39.0 -53.0 205 6 849.7 849.7 328.4 850.0 0.03 47 7.6 32871 -42.7 -82.7 0 40.0 -52.8 930.4 930.4 330.0 931.0 0.06 48 7.2 33236 -43.5 -83.5 0 40.0 -53.4 941.6 941.6 330.2 942.1 0.05 49 6.7 33724 -39.5 -81.5 0 42.0 -52.1 977.9 978.0 330.8 978.8 0.08 50 6.2 34254 -40.5 -81.5 0 41.0 -52.8 995.6 995.6 331.1 996.5 0.08 51 5.4 35200 -37.9 -79.9 0 42.0 -52.5 1047.3 1047.4 331.9 1048.8 0.13 52 5.1 35598 -33.5 -77.5 0 44.0 -51.4 1084.5 1084.6 332.5 1087.0 0.19 TRP 269 9592 -50.5 -70.5 8 20.0 -50.8 290 44 324.1 324.1 290.0 324.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5224.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 32.29 % Est. max temperature: 2.14 C = 35.86 F Sfc-Lift cond lev (LCL): 912.67 mb = 851.02 m = 2792.04 ft T: -13.05 C 700-500 lapse rate: 5.46 C/km ThetaE index: 1.56 C Layer 925.0- 881.0 mb Conv cond level (CCL): 907.28 mb = 896.01 m = 2939.65 ft Mean mixing ratio: 1.49 g/kg Conv temperature: -7.75 C = 18.04 F Cap Strength: 22.03 C Lifted Index: 23.02 C Risk: None Lifted Index @300 mb: 34.08 C Lifted Index @700 mb: 15.18 C Showalter Index: 17.63 C Risk: None Total Totals Index: 25.80 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 8.40 C K Index: -19.90 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 4.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.90 J/kg Max Up Vert Vel: 2.79 m/s Conv Inhibition (B-): 0.64 J/kg Cap Strength: 22.93 C Lift Cond Lev (LCL): 902.04 mb = 940.06 m = 3084.13 ft Lev Free Conv (LFC): 897.04 mb = 982.31 m = 3222.75 ft Equ Level (EL): 887.04 mb = 1067.47 m = 3502.16 ft B at Equ Level: 2.61 J/kg Max Parcel Lev (MPL): 877.04 mb = 1153.70 m = 3785.05 ft Wind level data Storm motion: 10 at 18 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 ---------------------------------------------------------- 0 979 306 25 7 -3.0 -6.3 | 181 12 0.2 11.6 1 942 610 355 13 1.1 -13.0 | 220 7 4.3 5.0 2 925 749 355 12 1.0 -12.0 | 215 7 4.2 6.0 3 905 914 335 11 4.6 -10.0 | 224 11 7.8 8.0 4 870 1219 30 24 -12.0 -20.8 | 72 9 -8.8 -2.8 5 850 1394 25 22 -9.3 -19.9 | 72 6 -6.1 -1.9 6 803 1829 10 25 -4.3 -24.6 | 10 7 -1.2 -6.6 7 772 2134 10 25 -4.3 -24.6 | 10 7 -1.2 -6.6 8 742 2438 360 25 -0.0 -25.0 | 336 8 3.2 -7.0 9 713 2743 355 20 1.7 -19.9 | 292 5 4.9 -1.9 10 700 2879 345 24 6.2 -23.2 | 299 11 9.4 -5.2 11 630 3658 345 25 6.5 -24.1 | 303 11 9.6 -6.2 12 580 4267 325 22 12.6 -18.0 | 270 16 15.8 -0.0 13 557 4572 315 25 17.7 -17.7 | 269 21 20.8 0.3 14 534 4877 320 28 18.0 -21.4 | 279 21 21.1 -3.5 15 500 5370 320 31 19.9 -23.7 | 284 24 23.1 -5.8 16 451 6096 315 34 24.0 -24.0 | 283 28 27.2 -6.1 17 400 6940 310 36 27.6 -23.1 | 280 31 30.7 -5.2 18 362 7620 310 40 30.6 -25.7 | 283 35 33.8 -7.7 19 300 8880 305 46 37.7 -26.4 | 282 42 40.8 -8.4 20 288 9144 305 49 40.1 -28.1 | 283 44 43.3 -10.1 21 275 9449 295 38 34.4 -16.1 | 267 38 37.6 1.9 22 269 9592 290 44 41.3 -15.0 | 266 45 44.5 2.9 23 250 10070 295 39 35.3 -16.5 | 268 39 38.5 1.5 24 228 10668 280 43 42.3 -7.5 | 257 47 45.5 10.5 25 218 10973 285 36 34.8 -9.3 | 257 39 37.9 8.7 26 200 11540 275 39 38.9 -3.4 | 251 44 42.0 14.6 27 199 11582 270 40 40.0 -0.0 | 247 47 43.2 18.0 28 158 13106 280 35 34.5 -6.1 | 252 39 37.6 11.9 29 150 13440 260 35 34.5 6.1 | 237 45 37.6 24.1 30 144 13716 255 35 33.8 9.1 | 234 46 37.0 27.0 31 131 14326 255 39 37.7 10.1 | 235 50 40.8 28.1 32 125 14630 270 47 47.0 -0.0 | 250 53 50.2 18.0 33 119 14935 280 43 42.3 -7.5 | 257 47 45.5 10.5 34 114 15240 275 37 36.9 -3.2 | 250 43 40.0 14.8 35 104 15850 255 30 29.0 7.8 | 231 41 32.1 25.8 36 100 16080 260 37 36.4 6.4 | 238 47 39.6 24.4 37 99 16154 265 29 28.9 2.5 | 237 38 32.0 20.5 38 94 16459 260 37 36.4 6.4 | 238 47 39.6 24.4 39 86 17069 270 35 35.0 -0.0 | 245 42 38.2 18.0 40 78 17678 255 27 26.1 7.0 | 229 38 29.2 25.0 41 71 18288 280 31 30.5 -5.4 | 249 36 33.7 12.6 42 70 18380 260 22 21.7 3.8 | 229 33 24.8 21.8 43 68 18593 250 22 20.7 7.5 | 223 35 23.8 25.5 44 62 19202 290 25 23.5 -8.6 | 250 28 26.6 9.4 45 59 19507 270 22 22.0 -0.0 | 234 31 25.2 18.0 46 56 19812 285 21 20.3 -5.4 | 242 27 23.4 12.6 47 53 20117 270 24 24.0 -0.0 | 236 33 27.2 18.0 48 51 20422 265 16 15.9 1.4 | 225 27 19.1 19.4 49 50 20550 260 10 9.8 1.7 | 213 24 13.0 19.7 50 49 20726 265 14 13.9 1.2 | 222 26 17.1 19.2 51 46 21031 210 11 5.5 9.5 | 197 29 8.7 27.5 52 44 21336 235 13 10.6 7.5 | 208 29 13.8 25.4 53 42 21641 240 15 13.0 7.5 | 212 30 16.1 25.5 54 40 21946 255 15 14.5 3.9 | 219 28 17.6 21.9 55 38 22250 245 10 9.1 4.2 | 209 25 12.2 22.2 56 35 22860 230 13 10.0 8.4 | 206 29 13.1 26.3 57 33 23165 255 10 9.7 2.6 | 212 24 12.8 20.6 58 32 23470 200 10 3.4 9.4 | 193 28 6.6 27.4 59 30 23850 165 7 -1.8 6.8 | 183 25 1.3 24.8 60 29 24079 170 10 -1.7 9.8 | 183 28 1.4 27.8 61 28 24384 180 10 0.0 10.0 | 186 28 3.2 28.0 62 25 24994 245 10 9.1 4.2 | 209 25 12.2 22.2 63 24 25298 255 14 13.5 3.6 | 218 27 16.7 21.6 64 20 26470 245 1 0.9 0.4 | 192 19 4.1 18.4 65 19 26822 0 0 -0.0 -0.0 | 190 18 3.2 18.0 66 18 27127 30 10 -5.0 -8.7 | 169 10 -1.8 9.3 67 17 27432 60 14 -12.1 -7.0 | 141 14 -9.0 11.0 68 16 27737 70 10 -9.4 -3.4 | 157 16 -6.2 14.6 69 16 28042 0 0 -0.0 -0.0 | 190 18 3.2 18.0 70 14 28956 60 14 -12.1 -7.0 | 141 14 -9.0 11.0 71 13 29261 100 12 -11.8 2.1 | 157 22 -8.7 20.1 72 12 29870 105 10 -9.7 2.6 | 162 22 -6.5 20.6 73 10 31030 205 6 2.5 5.4 | 194 24 5.7 23.4 Wind Parameters Mean winds (0-6000m): 339.9 at 24.4 knts Storm direction: 9.9 at 18.3 knts Shear (0-3000m) pos: 2.7 neg: 4.1 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 120.1 deg Storm rel helicity (0-3000m) pos: 23.5 neg: -26.1 tot: -2.6 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 28.29 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 0 11 204 8| 0.0 7.6 7.6| 11.8 -0.7 11.2 22.3 0.53| 10.4 5.5 1000 8 14 197 4| 8.1 3.8 11.9| 21.8 -0.7 21.2 21.2 0.59| 18.9 11.1 1500 13 17 150 1| 5.4 5.0 10.4| 21.8 -10.8 11.0 7.3 0.35| 15.2 5.3 2000 12 19 44 1| 4.1 4.4 8.5| 21.8 -15.8 6.0 3.0 0.27| 12.2 3.2 2500 9 20 354 2| 3.3 4.2 7.5| 21.8 -26.1 -4.3 -1.7 0.12| 11.5 1.4 3000 4 21 326 3| 2.7 4.1 6.8| 23.5 -26.1 -2.6 -0.9 0.12| 10.2 1.2 4000 357 21 308 6| 2.0 3.8 5.8| 24.3 -52.9 -28.6 -7.2 -0.00| 8.9 -0.0 5000 347 23 297 9| 1.7 3.5 5.2| 53.8 -53.8 0.0 0.0 0.06| 8.2 0.5 6000 340 24 293 12| 1.4 3.4 4.8| 55.1 -60.9 -5.8 -1.0 0.05| 7.3 0.4 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250430.12.gif