UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for COYU... Searching the city database file for: COYU ... Date:0000Z 8 DEC 25 Station: COYU WMO ident: 73111 Latitude: 49.40 Longitude: -82.43 Elevation: 222.00 ------------------------------------------------------------------------------- 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 181 270 10 SFC 994 222 -17.5 -20.4 78 2.9 -18.0 270 10 256.1 256.2 255.6 258.1 0.76 2 925 760 -22.1 -22.5 97 0.4 -22.1 285 23 256.7 256.8 255.9 258.6 0.68 3 850 1387 -18.5 -33.5 26 15.0 -20.1 320 27 266.8 266.8 262.9 267.6 0.27 4 700 2802 -29.9 -37.9 46 8.0 -30.4 340 22 269.4 269.4 264.6 270.0 0.21 5 500 5110 -47.1 -55.1 40 8.0 -47.3 325 44 275.6 275.6 268.5 275.8 0.04 6 410 6401 -52.1 -62.1 29 10.0 -52.2 320 49 285.3 285.3 274.2 285.3 0.02 7 400 6560 -52.1 -64.1 22 12.0 -52.2 315 48 287.3 287.3 275.3 287.3 0.02 8 300 8430 -49.7 -75.7 3 26.0 -50.0 300 60 315.3 315.3 287.2 315.3 0.00 9 250 9620 -48.7 -79.7 2 31.0 -49.1 285 58 333.7 333.7 292.7 333.7 0.00 10 200 11080 -50.5 -83.5 1 33.0 -51.0 285 54 352.8 352.8 297.3 352.8 0.00 11 150 12960 -49.1 -85.1 1 36.0 -49.8 285 53 385.5 385.5 303.1 385.5 0.00 12 103 15399 -51.7 -87.7 1 36.0 -52.5 270 66 424.2 424.2 308.2 424.2 0.00 13 100 15590 -51.9 -87.9 1 36.0 -52.7 265 63 427.4 427.4 308.6 427.5 0.00 TRP 410 6401 -52.1 -62.1 29 10.0 -52.2 320 49 285.3 285.3 274.2 285.3 0.02 WND 103 15399 -51.7 -87.7 1 36.0 -52.5 270 66 424.2 424.2 308.2 424.2 0.00 Sounding variables and indices 1000-500 mb thick: 4929.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 47.57 % Est. max temperature: -6.74 C = 19.87 F Sfc-Lift cond lev (LCL): 947.83 mb = 577.67 m = 1895.24 ft T: -20.54 C 700-500 lapse rate: 7.45 C/km ThetaE index: 0.00 C Layer 994.0- 0.0 mb Conv cond level (CCL): 764.16 mb = 2162.87 m = 7095.94 ft Mean mixing ratio: 0.67 g/kg Conv temperature: -5.35 C = 22.37 F Cap Strength: 9.87 C Lifted Index: 13.70 C Risk: None Lifted Index @300 mb: 39.93 C Lifted Index @700 mb: 9.87 C Showalter Index: 6.73 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 28.60 C Cross Totals Index: 13.60 C K Index: -12.90 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 1.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.38 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 25896.74 J/kg Cap Strength: 13.66 C Lift Cond Lev (LCL): 910.78 mb = 874.89 m = 2870.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 22 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 ---------------------------------------------------------- 0 994 222 270 10 10.0 -0.0 | 200 23 7.6 21.5 1 983 305 280 18 17.7 -3.1 | 220 24 15.4 18.3 2 944 610 275 20 19.9 -1.7 | 222 26 17.6 19.7 3 925 760 285 23 22.2 -6.0 | 232 25 19.8 15.5 4 906 914 290 24 22.6 -8.2 | 237 24 20.2 13.3 5 869 1219 305 27 22.1 -15.5 | 253 21 19.7 6.0 6 850 1387 320 27 17.4 -20.7 | 267 15 15.0 0.8 7 834 1524 315 29 20.5 -20.5 | 267 18 18.1 1.0 8 800 1829 320 28 18.0 -21.4 | 270 16 15.6 0.0 9 767 2134 330 23 11.5 -19.9 | 260 9 9.1 1.5 10 736 2438 335 24 10.1 -21.8 | 272 8 7.8 -0.3 11 706 2743 335 24 10.1 -21.8 | 272 8 7.8 -0.3 12 700 2802 340 22 7.5 -20.7 | 261 5 5.2 0.8 13 646 3353 345 16 4.1 -15.5 | 196 6 1.8 6.0 14 618 3658 345 19 4.9 -18.4 | 219 4 2.5 3.1 15 591 3962 345 20 5.2 -19.3 | 233 4 2.8 2.1 16 565 4267 330 25 12.5 -21.7 | 271 10 10.1 -0.2 17 541 4572 325 29 16.6 -23.8 | 279 14 14.3 -2.3 18 517 4877 325 35 20.1 -28.7 | 292 19 17.7 -7.2 19 500 5110 325 44 25.2 -36.0 | 303 27 22.9 -14.6 20 450 5791 325 50 28.7 -41.0 | 307 33 26.3 -19.5 21 430 6096 325 47 27.0 -38.5 | 305 30 24.6 -17.0 22 410 6401 320 49 31.5 -37.5 | 299 33 29.1 -16.1 23 400 6560 315 48 33.9 -33.9 | 292 34 31.6 -12.5 24 340 7620 310 54 41.4 -34.7 | 289 41 39.0 -13.2 25 300 8430 300 60 52.0 -30.0 | 280 50 49.6 -8.5 26 295 8534 300 62 53.7 -31.0 | 281 52 51.3 -9.5 27 269 9144 295 55 49.8 -23.2 | 272 48 47.5 -1.8 28 257 9449 295 51 46.2 -21.6 | 270 44 43.9 -0.1 29 250 9620 285 58 56.0 -15.0 | 263 54 53.7 6.5 30 245 9754 280 60 59.1 -10.4 | 259 58 56.7 11.0 31 213 10668 285 57 55.1 -14.8 | 263 53 52.7 6.7 32 200 11080 285 54 52.2 -14.0 | 261 50 49.8 7.5 33 154 12802 280 60 59.1 -10.4 | 259 58 56.7 11.0 34 150 12960 285 53 51.2 -13.7 | 261 49 48.8 7.7 35 127 14021 280 47 46.3 -8.2 | 253 46 43.9 13.3 36 106 15240 270 60 60.0 -0.0 | 250 61 57.6 21.5 37 103 15399 270 66 66.0 -0.0 | 251 67 63.6 21.5 38 101 15545 270 66 66.0 -0.0 | 251 67 63.6 21.5 39 100 15590 265 63 62.8 5.5 | 246 66 60.4 27.0 40 94 15850 265 63 62.8 5.5 | 246 66 60.4 27.0 41 82 16459 280 49 48.3 -8.5 | 254 48 45.9 13.0 42 72 17069 265 57 56.8 5.0 | 244 60 54.4 26.4 43 59 17983 285 55 53.1 -14.2 | 262 51 50.8 7.2 44 51 18593 290 35 32.9 -12.0 | 253 32 30.5 9.5 45 48 18898 270 27 27.0 -0.0 | 229 33 24.6 21.5 46 45 19202 245 34 30.8 14.4 | 218 46 28.4 35.8 47 36 20117 275 50 49.8 -4.4 | 250 50 47.4 17.1 48 34 20422 290 34 31.9 -11.6 | 252 31 29.6 9.8 49 32 20726 290 42 39.5 -14.4 | 259 38 37.1 7.1 50 28 21336 265 22 21.9 1.9 | 220 30 19.5 23.4 51 26 21641 240 24 20.8 12.0 | 209 38 18.4 33.5 52 24 21946 255 31 29.9 8.0 | 223 40 27.6 29.5 53 23 22250 230 25 19.2 16.1 | 204 41 16.8 37.5 54 20 22860 255 37 35.7 9.6 | 227 46 33.4 31.0 55 17 23470 305 30 24.6 -17.2 | 259 23 22.2 4.3 56 16 23774 290 12 11.3 -4.1 | 207 20 8.9 17.4 57 14 24384 235 21 17.2 12.0 | 204 37 14.8 33.5 58 13 24689 265 22 21.9 1.9 | 220 30 19.5 23.4 59 12 24994 305 20 16.4 -11.5 | 235 17 14.0 10.0 60 11 25298 310 25 19.2 -16.1 | 252 18 16.8 5.4 61 11 25603 310 18 13.8 -11.6 | 229 15 11.4 9.9 62 9 26213 270 13 13.0 -0.0 | 206 24 10.6 21.5 63 9 26518 255 12 11.6 3.1 | 201 26 9.2 24.6 64 8 27127 270 15 15.0 -0.0 | 210 25 12.6 21.5 65 7 27432 255 15 14.5 3.9 | 206 28 12.1 25.3 66 6 28042 280 16 15.8 -2.8 | 216 23 13.4 18.7 67 5 28651 300 23 19.9 -11.5 | 240 20 17.5 10.0 68 5 29261 275 20 19.9 -1.7 | 222 26 17.6 19.7 69 4 29566 305 26 21.3 -14.9 | 251 20 18.9 6.6 70 4 29870 300 18 15.6 -9.0 | 227 18 13.2 12.5 Wind Parameters Mean winds (0-6000m): 323.7 at 28.8 knts Storm direction: 353.7 at 21.6 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 8.2 deg Storm rel helicity (0-3000m) pos: 166.2 neg: -13.6 tot: 152.6 m^2/s^2 ave: 50.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 3.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.27 Bulk Shear: 57.10 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 ------------------------------------------------------------------------------- 500 278 19 220 25| 13.0 0.0 13.0| 79.0 0.0 79.0 158.0 0.88| 14.6 12.9 1000 287 22 230 24| 10.1 0.0 10.1|138.6 0.0 138.6 138.6 0.88| 12.9 11.4 1500 298 24 241 21| 7.9 0.0 7.9|161.4 -0.2 161.2 107.5 0.76| 12.2 9.3 2000 305 24 247 19| 5.3 0.0 5.3|163.5 -5.7 157.7 78.9 0.59| 11.2 6.7 2500 311 24 251 17| 4.5 0.0 4.5|166.2 -5.7 160.5 64.2 0.60| 9.3 5.6 3000 316 23 252 15| 3.0 0.0 3.0|166.2 -13.6 152.6 50.9 0.40| 9.1 3.7 4000 322 22 251 12| 2.5 0.9 3.4|173.9 -15.0 158.9 39.7 0.41| 8.3 3.4 5000 323 25 262 13| 2.0 2.9 4.8|223.3 -15.0 208.3 41.7 0.42| 8.8 3.8 6000 324 29 277 15| 1.6 2.6 4.3|236.2 -33.0 203.2 33.9 0.38| 8.1 3.1 Wrote GIF file: /home/apache/climate/data/raob//COYU/skewt/COYU.skewt.20251208.00.gif