UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for UIAA... Searching the city database file for: UIAA ... Date:1200Z 8 DEC 25 Station: UIAA WMO ident: 30758 Latitude: 52.02 Longitude: 113.33 Elevation: 685.00 ------------------------------------------------------------------------------- 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 209 SFC 939 685 -24.9 -28.4 73 3.5 -25.2 70 3 252.8 252.8 252.0 253.8 0.39 2 925 782 -22.7 -26.4 72 3.7 -23.1 35 5 256.1 256.2 255.0 257.4 0.48 3 916 854 -20.9 -24.6 72 3.7 -21.4 22 6 258.7 258.7 257.3 260.2 0.57 4 858 1341 -16.9 -20.5 74 3.6 -17.6 293 14 267.7 267.9 264.8 270.2 0.87 5 850 1411 -17.1 -21.1 71 4.0 -17.8 280 15 268.2 268.4 265.1 270.6 0.83 6 776 2091 -19.5 -24.5 64 5.0 -20.3 287 19 272.7 272.8 267.8 274.7 0.68 7 700 2847 -25.5 -30.5 63 5.0 -26.1 295 23 274.2 274.3 268.4 275.5 0.43 8 666 3206 -27.5 -33.5 57 6.0 -28.1 295 25 275.9 276.0 269.3 277.0 0.34 9 542 4646 -40.7 -46.7 52 6.0 -40.9 295 33 277.0 277.0 269.5 277.3 0.11 10 500 5190 -44.1 -49.1 57 5.0 -44.3 295 36 279.3 279.3 270.9 279.6 0.09 11 458 5775 -46.5 -51.5 57 5.0 -46.6 291 42 283.4 283.4 273.2 283.6 0.07 12 442 6010 -49.1 -54.1 56 5.0 -49.2 289 45 283.0 283.0 273.0 283.2 0.06 13 400 6660 -52.1 -57.1 55 5.0 -52.2 285 52 287.3 287.3 275.3 287.4 0.04 14 333 7838 -57.3 -62.3 53 5.0 -57.3 290 62 295.6 295.6 279.4 295.7 0.03 15 300 8500 -57.1 -63.1 46 6.0 -57.2 290 62 304.9 304.9 283.4 305.0 0.03 16 250 9660 -55.1 -61.1 47 6.0 -55.2 290 58 324.1 324.2 290.0 324.3 0.04 17 200 11080 -52.5 -60.5 37 8.0 -52.7 290 56 349.6 349.6 296.6 349.9 0.06 18 196 11211 -51.9 -59.9 38 8.0 -52.1 290 58 352.6 352.6 297.3 352.9 0.06 19 155 12729 -53.1 -64.6 23 11.5 -53.5 285 75 375.0 375.0 301.5 375.2 0.04 20 150 12940 -53.3 -65.3 22 12.0 -53.7 290 56 378.2 378.2 302.0 378.4 0.04 21 137 13522 -54.9 -67.9 19 13.0 -55.2 385.3 385.4 303.1 385.5 0.03 TRP 333 7838 -57.3 -62.3 53 5.0 -57.3 290 62 295.6 295.6 279.4 295.7 0.03 WND 155 12729 -53.1 -64.6 23 11.5 -53.5 285 75 375.0 375.0 301.5 375.2 0.04 Sounding variables and indices 1000-500 mb thick: 4981.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 61.26 % Est. max temperature: -6.09 C = 21.03 F Sfc-Lift cond lev (LCL): 885.64 mb = 1104.78 m = 3624.57 ft T: -18.84 C 700-500 lapse rate: 7.94 C/km Conv cond level (CCL): 939.00 mb = 685.00 m = 2247.35 ft Mean mixing ratio: 0.69 g/kg Conv temperature: -22.18 C = -7.93 F Cap Strength: 10.77 C Lifted Index: 12.25 C Risk: None Lifted Index @300 mb: 28.63 C Lifted Index @700 mb: 9.58 C Showalter Index: 7.27 C Risk: None Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 23.00 C K Index: 0.90 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 1.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.44 J/kg Max Up Vert Vel: 9.43 m/s Conv Inhibition (B-): 15544.22 J/kg Cap Strength: 11.90 C Lift Cond Lev (LCL): 839.20 mb = 1506.38 m = 4942.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 21 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 ---------------------------------------------------------- 0 939 685 70 3 -2.8 -1.0 | 135 23 -16.1 15.9 1 925 782 35 5 -2.9 -4.1 | 128 21 -16.1 12.8 2 850 1411 280 15 14.8 -2.6 | 186 14 1.5 14.3 3 700 2847 295 23 20.8 -9.7 | 227 10 7.6 7.2 4 500 5190 295 36 32.6 -15.2 | 265 19 19.4 1.7 5 400 6660 285 52 50.2 -13.5 | 265 37 37.0 3.4 6 333 7838 290 62 58.3 -21.2 | 275 45 45.0 -4.3 7 300 8500 290 62 58.3 -21.2 | 275 45 45.0 -4.3 8 250 9660 290 58 54.5 -19.8 | 274 41 41.2 -3.0 9 200 11080 290 56 52.6 -19.2 | 273 39 39.4 -2.3 10 155 12729 285 75 72.4 -19.4 | 272 59 59.2 -2.5 11 150 12940 290 56 52.6 -19.2 | 273 39 39.4 -2.3 Wind Parameters Mean winds (0-6000m): 291.9 at 28.6 knts Storm direction: 321.9 at 21.5 knts Shear (0-3000m) pos: 1.6 neg: 3.7 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 111.6 deg Storm rel helicity (0-3000m) pos: 74.8 neg: -20.9 tot: 53.9 m^2/s^2 ave: 18.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.52 Bulk Shear: 85.93 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 ------------------------------------------------------------------------------- 500 350 7 129 15| 0.0 13.1 13.1| 12.1 -20.9 -8.8 -17.7 0.00| 15.9 0.0 1000 293 11 165 13| 0.0 9.8 9.8| 40.8 -20.9 19.9 19.9 0.36| 13.8 5.0 1500 290 13 176 13| 1.1 6.6 7.7| 50.5 -20.9 29.6 19.7 0.42| 10.3 4.3 2000 290 15 184 12| 1.7 4.9 6.6| 59.9 -20.9 38.9 19.5 0.47| 8.6 4.1 2500 292 17 192 11| 1.9 3.9 5.9| 67.7 -20.9 46.8 18.7 0.51| 7.5 3.8 3000 293 18 200 10| 1.6 3.7 5.3| 74.8 -20.9 53.9 18.0 0.53| 6.7 3.6 4000 294 21 217 10| 1.2 3.5 4.7| 89.1 -20.9 68.1 17.0 0.54| 5.8 3.1 5000 294 25 233 12| 1.0 3.7 4.6| 98.9 -20.9 78.0 15.6 0.49| 5.5 2.7 6000 292 29 245 15| 0.8 4.0 4.8| 99.1 -27.8 71.3 11.9 0.39| 5.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//UIAA/skewt/UIAA.skewt.20251208.12.gif