UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 17 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 121 180 3 SFC 997 145 -5.3 -8.2 80 2.9 -6.2 180 3 268.1 268.4 267.1 273.7 2.06 2 970 360 -5.3 -7.5 84 2.2 -6.0 193 16 270.2 270.6 268.8 276.3 2.24 3 925 731 -7.9 -9.7 87 1.8 -8.4 215 38 271.2 271.6 269.1 276.7 1.98 4 850 1384 -11.5 -13.1 88 1.6 -11.9 245 42 274.1 274.4 270.4 278.7 1.64 5 800 1846 -14.1 -15.9 86 1.8 -14.5 240 44 276.1 276.4 271.2 280.1 1.38 6 700 2843 -22.3 -24.6 82 2.3 -22.7 230 50 277.8 277.9 271.1 280.0 0.74 7 642 3472 -28.3 -30.7 80 2.4 -28.6 233 56 277.9 278.0 270.7 279.3 0.46 8 626 3653 -29.9 -34.2 66 4.3 -30.3 233 58 278.1 278.2 270.7 279.2 0.34 9 500 5240 -35.3 -44.3 39 9.0 -35.8 240 73 290.0 290.0 276.9 290.5 0.15 10 496 5296 -36.3 -45.3 39 9.0 -36.8 240 74 289.4 289.5 276.6 289.9 0.13 11 459 5831 -37.5 -46.5 39 9.0 -38.0 240 82 294.4 294.5 279.0 294.9 0.13 12 418 6473 -40.1 -48.1 42 8.0 -40.5 240 92 299.1 299.1 281.1 299.5 0.12 13 400 6770 -44.1 -52.1 41 8.0 -44.4 240 97 297.7 297.7 280.4 298.0 0.08 14 322 8202 -52.7 -59.7 42 7.0 -52.8 245 104 304.9 304.9 283.4 305.0 0.04 15 320 8243 -52.9 -59.9 42 7.0 -53.0 245 104 305.1 305.1 283.5 305.2 0.04 16 300 8660 -52.9 -59.9 42 7.0 -53.0 245 103 310.8 310.8 285.7 310.9 0.04 17 250 9830 -54.7 -65.7 24 11.0 -54.9 245 89 324.7 324.7 290.2 324.8 0.02 18 200 11250 -55.5 -67.5 21 12.0 -55.7 250 75 344.9 344.9 295.5 345.0 0.02 19 150 13080 -56.3 -70.3 16 14.0 -56.6 255 60 373.1 373.1 301.1 373.2 0.02 20 100 15640 -57.9 -73.9 11 16.0 -58.2 265 56 415.9 415.9 307.2 415.9 0.02 21 94 16030 -57.5 -73.5 11 16.0 -57.9 424.1 424.1 308.2 424.2 0.02 22 83 16813 -59.3 -74.3 13 15.0 -59.6 435.8 435.8 309.4 435.9 0.02 TRP 320 8243 -52.9 -59.9 42 7.0 -53.0 245 104 305.1 305.1 283.5 305.2 0.04 WND 322 8202 -52.7 -59.7 42 7.0 -52.8 245 104 304.9 304.9 283.4 305.0 0.04 Sounding variables and indices 1000-500 mb thick: 5119.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 73.70 % Est. max temperature: 0.83 C = 33.50 F Sfc-Lift cond lev (LCL): 952.17 mb = 504.88 m = 1656.41 ft T: -6.32 C 700-500 lapse rate: 5.42 C/km ThetaE index: 0.92 C Layer 700.0- 500.0 mb Conv cond level (CCL): 886.18 mb = 1062.08 m = 3484.48 ft Mean mixing ratio: 2.06 g/kg Conv temperature: -0.70 C = 30.75 F Cap Strength: 3.23 C Lifted Index: 11.56 C Risk: None Lifted Index @300 mb: 24.48 C Lifted Index @700 mb: 3.23 C Showalter Index: 9.62 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 22.20 C K Index: 8.40 Risk: None Sweat Index: 157.00 Risk: None Energy Index: 2.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.55 J/kg Max Up Vert Vel: 4.81 m/s Conv Inhibition (B-): 22396.24 J/kg Cap Strength: 11.21 C Lift Cond Lev (LCL): 914.98 mb = 815.11 m = 2674.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 41 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 ---------------------------------------------------------- 0 997 145 180 3 0.0 3.0 | 90 41 -40.9 0.1 1 925 731 215 38 21.8 31.1 | 146 34 -19.1 28.2 2 850 1384 245 42 38.1 17.7 | 169 15 -2.8 14.8 3 700 2843 230 50 38.3 32.1 | 175 29 -2.6 29.2 4 500 5240 240 73 63.2 36.5 | 214 40 22.3 33.6 5 400 6770 240 97 84.0 48.5 | 223 63 43.1 45.6 6 322 8202 245 104 94.3 44.0 | 232 67 53.3 41.0 7 320 8243 245 104 94.3 44.0 | 232 67 53.3 41.0 8 300 8660 245 103 93.3 43.5 | 232 66 52.4 40.6 9 250 9830 245 89 80.7 37.6 | 229 53 39.8 34.7 10 200 11250 250 75 70.5 25.7 | 232 37 29.6 22.7 11 150 13080 255 60 58.0 15.5 | 234 21 17.0 12.6 12 100 15640 265 56 55.8 4.9 | 263 15 14.9 1.9 Wind Parameters Mean winds (0-6000m): 235.9 at 54.7 knts Storm direction: 265.9 at 41.0 knts Shear (0-3000m) pos: 7.2 neg: 2.3 tot: 9.5 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 466.4 neg: -0.5 tot: 465.8 m^2/s^2 ave: 155.3 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 12.9 stream: 8.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.06 Bulk Shear: 200.88 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 ------------------------------------------------------------------------------- 500 213 18 111 34| 31.1 0.0 31.1|315.9 0.0 315.9 631.8 0.98| 32.5 31.9 1000 220 28 129 30| 20.0 0.0 20.0|417.0 0.0 417.0 417.0 0.85| 26.1 22.2 1500 229 33 139 25| 14.4 0.0 14.4|437.1 0.0 437.1 291.4 0.78| 20.7 16.3 2000 233 36 147 23| 10.8 1.3 12.1|441.6 0.0 441.6 220.8 0.74| 16.8 12.4 2500 233 38 153 23| 8.7 2.0 10.7|443.0 -0.0 443.0 177.2 0.69| 14.5 10.0 3000 232 40 158 23| 7.2 2.3 9.5|466.4 -0.5 465.8 155.3 0.68| 12.9 8.8 4000 233 45 168 25| 6.7 1.7 8.4|548.2 -0.5 547.6 136.9 0.71| 11.1 7.9 5000 234 50 179 26| 6.5 1.4 7.8|638.2 -0.5 637.7 127.5 0.73| 10.0 7.2 6000 236 55 189 28| 6.0 1.7 7.7|714.6 -0.5 714.0 119.0 0.68| 9.6 6.6 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251217.00.gif