UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062412.upa.cvt Date: 1200Z 24 JUN 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 24 JUN 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 ------------------------------------------------------------------------------- SFC 968 306 11.0 10.7 98 0.3 10.8 270 5 286.8 288.3 285.4 310.1 8.37 1 966 322 11.6 11.2 97 0.4 11.4 270 5 287.6 289.1 286.0 311.8 8.67 2 95 16875 -56.3 -86.3 1 30.0 -56.8 294 41 425.1 425.1 308.3 425.1 0.00 3 75 18378 -52.7 -85.7 1 33.0 -53.6 271 28 462.4 462.4 312.0 462.4 0.00 4 70 18820 -53.7 -85.7 1 32.0 -54.6 275 17 469.5 469.5 312.6 469.5 0.00 5 57 20138 -55.1 -86.1 1 31.0 -56.0 280 17 494.7 494.7 314.6 494.8 0.00 6 50 20980 -52.9 -84.9 1 32.0 -54.2 250 11 518.8 518.8 316.2 518.8 0.01 7 30 24290 -49.7 -83.7 1 34.0 -52.4 100 8 609.1 609.2 321.0 609.2 0.01 8 20 26960 -44.9 -82.9 1 38.0 -50.1 65 23 698.7 698.7 324.4 698.9 0.02 9 10 31690 -35.1 -78.1 0 43.0 -48.2 85 19 888.5 888.6 329.2 889.5 0.09 TRP WND Sounding variables and indices Freezing level: 817.20 mb = 3150.09 m = 10334.80 ft Wetbulb zero: 820.52 mb = 1487.12 m = 4878.94 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 73.38 % Est. max temperature: 20.54 C = 68.97 F Sfc-Lift cond lev (LCL): 963.69 mb = 339.17 m = 1112.75 ft T: 11.53 C 700-500 lapse rate: 4.10 C/km ThetaE index: 0.00 C Layer 968.0- -0.0 mb Conv cond level (CCL): 854.15 mb = 1200.43 m = 3938.36 ft Mean mixing ratio: 7.90 g/kg Conv temperature: 18.24 C = 64.84 F Cap Strength: 0.79 C Lifted Index: 12.93 C Risk: None Lifted Index @300 mb: 29.14 C Lifted Index @700 mb: 4.96 C Showalter Index: 12.10 C Risk: None Total Totals Index: 29.04 C Risk: None Vertical Totals Index: 15.53 C Cross Totals Index: 13.50 C K Index: 16.85 Risk: < 20 % chance of thunderstorms Sweat Index: 99.31 Risk: None Energy Index: 2.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.10 J/kg Max Up Vert Vel: 6.02 m/s Conv Inhibition (B-): 69770.88 J/kg Cap Strength: 12.78 C Lift Cond Lev (LCL): 902.56 mb = 806.98 m = 2647.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 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 ---------------------------------------------------------- 0 968 306 270 5 5.0 -0.0 | 157 15 -6.0 14.3 1 86 17374 295 43 39.0 -18.2 | 278 28 28.0 -3.9 2 82 17678 290 32 30.1 -10.9 | 260 19 19.1 3.3 3 79 17983 265 21 20.9 1.8 | 212 19 10.0 16.1 4 72 18593 275 34 33.9 -3.0 | 244 26 22.9 11.3 5 70 18820 275 17 16.9 -1.5 | 205 14 6.0 12.8 6 69 18898 290 24 22.6 -8.2 | 242 13 11.6 6.1 7 66 19202 255 18 17.4 4.7 | 199 20 6.4 18.9 8 63 19507 245 22 19.9 9.3 | 201 25 9.0 23.6 9 60 19812 265 25 24.9 2.2 | 220 22 13.9 16.5 10 57 20117 280 17 16.7 -3.0 | 207 13 5.8 11.3 11 52 20726 270 19 19.0 -0.0 | 209 16 8.0 14.3 12 50 20980 250 11 10.3 3.8 | 178 18 -0.6 18.0 13 50 21031 285 12 11.6 -3.1 | 183 11 0.6 11.2 14 47 21336 250 11 10.3 3.8 | 178 18 -0.6 18.0 15 41 22250 0 0 -0.0 -0.0 | 142 18 -11.0 14.3 16 30 24290 100 8 -7.9 1.4 | 130 25 -18.8 15.7 17 20 26960 65 23 -20.8 -9.7 | 98 32 -31.8 4.6 18 19 27432 65 22 -19.9 -9.3 | 99 31 -30.9 5.0 19 10 31690 85 19 -18.9 -1.7 | 113 32 -29.9 12.6 Wind Parameters Mean winds (0-6000m): 292.5 at 24.0 knts Storm direction: 322.5 at 18.0 knts Storm rel Dir Shear (0-3000m): -112.3 deg Storm rel helicity (0-3000m) pos: 0.0 neg: 0.0 tot: 0.0 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 0.0 stream: 0.0 10^-3/s Energy-Hel index: 0.00 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250624.12.gif