UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 11 DEC 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1029 72 -14.5 -19.1 68 4.6 -15.3 200 9 256.5 256.7 256.1 258.8 0.82 1 1000 288 -15.3 -20.3 66 5.0 -16.1 220 35 257.9 258.0 257.0 259.9 0.76 2 999 296 -15.1 -20.1 66 5.0 -15.9 220 35 258.1 258.2 257.3 260.2 0.77 3 978 458 -9.3 -16.3 57 7.0 -10.9 227 37 265.5 265.7 263.6 268.6 1.09 4 964 570 -7.5 -18.5 41 11.0 -9.9 232 38 268.5 268.6 265.4 271.1 0.92 5 925 891 -8.3 -29.3 17 21.0 -11.7 245 42 270.8 270.9 266.0 271.9 0.37 6 901 1095 -7.5 -32.5 12 25.0 -11.4 247 39 273.7 273.7 267.7 274.5 0.28 7 874 1332 -7.5 -30.5 14 23.0 -11.4 248 36 276.1 276.1 269.4 277.1 0.35 8 850 1548 -8.3 -33.3 11 25.0 -12.2 250 33 277.5 277.5 270.1 278.3 0.27 9 812 1901 -10.1 -35.1 11 25.0 -13.7 251 36 279.2 279.2 271.1 279.9 0.24 10 776 2251 -9.1 -40.1 6 31.0 -13.3 252 39 283.9 283.9 273.7 284.4 0.15 11 700 3041 -13.5 -46.5 4 33.0 -17.1 255 46 287.5 287.5 275.5 287.8 0.08 12 661 3477 -14.9 -48.9 4 34.0 -18.3 257 46 290.7 290.7 277.2 290.9 0.07 13 638 3745 -15.5 -51.5 3 36.0 -18.9 258 45 293.0 293.0 278.2 293.2 0.05 14 620 3961 -16.7 -51.7 3 35.0 -19.9 259 45 294.0 294.0 278.7 294.2 0.05 15 597 4244 -19.1 -30.1 37 11.0 -20.9 260 45 294.4 294.5 279.6 296.1 0.53 16 508 5426 -27.9 -31.0 75 3.1 -28.3 265 44 297.7 297.8 281.1 299.5 0.57 17 500 5540 -28.7 -31.7 75 3.0 -29.1 265 44 298.0 298.1 281.3 299.8 0.54 18 400 7090 -40.3 -43.7 70 3.4 -40.5 260 40 302.6 302.6 282.7 303.3 0.20 19 390 7263 -41.5 -45.0 69 3.5 -41.7 260 39 303.2 303.3 283.0 303.9 0.18 20 300 8990 -55.9 -60.9 53 5.0 -56.0 260 25 306.6 306.6 284.1 306.7 0.04 21 250 10120 -65.1 -70.0 51 4.9 -65.1 255 23 309.3 309.3 285.1 309.3 0.01 22 228 10676 -69.1 -74.0 49 4.9 -69.1 311.4 311.4 285.8 311.5 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5252.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 26.51 % Est. max temperature: 4.74 C = 40.54 F Sfc-Lift cond lev (LCL): 954.79 mb = 644.54 m = 2114.60 ft T: -7.69 C 700-500 lapse rate: 6.08 C/km ThetaE index: 0.00 C Layer 1029.0-7490422784.0 mb Conv cond level (CCL): 515.47 mb = 5319.01 m = 17450.62 ft Mean mixing ratio: 0.80 g/kg Conv temperature: 26.68 C = 80.02 F Cap Strength: 26.02 C Lifted Index: 26.18 C Risk: None Lifted Index @300 mb: 28.57 C Lifted Index @700 mb: 20.05 C Showalter Index: 16.57 C Risk: None Total Totals Index: 15.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: -4.60 C K Index: -45.90 Risk: None Sweat Index: 167.35 Risk: None Energy Index: 4.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.13 J/kg Max Up Vert Vel: 11.93 m/s Conv Inhibition (B-): 9747.67 J/kg Cap Strength: 26.09 C Lift Cond Lev (LCL): 844.38 mb = 1599.22 m = 5246.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 31 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 1029 72 200 9 3.1 8.5 | 121 31 -26.9 16.1 1 1000 288 220 35 22.5 26.8 | 168 35 -7.5 34.4 2 925 891 245 42 38.1 17.7 | 198 27 8.1 25.4 3 850 1548 250 33 31.0 11.3 | 183 19 1.0 18.9 4 700 3041 255 46 44.4 11.9 | 217 24 14.5 19.5 5 500 5540 265 44 43.8 3.8 | 230 18 13.9 11.5 6 400 7090 260 40 39.4 6.9 | 213 17 9.4 14.6 7 300 8990 260 25 24.6 4.3 | 156 13 -5.3 12.0 8 250 10120 255 23 22.2 6.0 | 150 16 -7.8 13.6 Wind Parameters Mean winds (0-6000m): 254.3 at 41.2 knts Storm direction: 284.3 at 30.9 knts Shear (0-3000m) pos: 7.1 neg: 0.0 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 95.8 deg Storm rel helicity (0-3000m) pos: 424.4 neg: -28.2 tot: 396.2 m^2/s^2 ave: 132.1 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 8.5 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 1.10 Bulk Shear: 64.52 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 ------------------------------------------------------------------------------- 500 223 30 162 31| 31.9 0.0 31.9|293.1 0.0 293.1 586.1 0.97| 36.2 35.1 1000 234 35 177 29| 17.5 0.0 17.5|356.7 -4.7 352.0 352.0 0.88| 24.4 21.5 1500 239 36 181 26| 9.7 0.0 9.7|356.7 -28.2 328.5 219.0 0.69| 18.6 12.9 2000 242 36 183 25| 8.4 0.0 8.4|378.9 -28.2 350.7 175.4 0.71| 15.1 10.8 2500 244 36 187 24| 7.7 0.0 7.7|401.7 -28.2 373.6 149.4 0.73| 13.0 9.5 3000 246 38 191 23| 7.1 0.0 7.1|424.4 -28.2 396.2 132.1 0.74| 11.5 8.5 4000 249 40 198 23| 5.3 0.0 5.3|436.6 -28.2 408.4 102.1 0.73| 9.1 6.6 5000 252 41 203 22| 4.2 0.0 4.2|447.6 -28.2 419.4 83.9 0.73| 7.6 5.5 6000 254 41 207 21| 3.5 0.2 3.7|451.8 -36.4 415.4 69.2 0.69| 6.6 4.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251211.00.gif