UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 6 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 1019 73 -0.9 -2.8 87 1.9 -1.6 200 3 270.8 271.3 270.5 279.0 3.05 1 1000 223 -2.3 -5.1 81 2.8 -3.3 220 13 270.9 271.3 269.9 277.9 2.61 2 925 837 -7.3 -9.2 86 1.9 -7.9 240 21 271.8 272.2 269.6 277.5 2.06 3 870 1312 -9.9 -11.1 91 1.2 -10.2 262 18 273.9 274.3 270.7 279.2 1.88 4 859 1410 -10.7 -11.9 91 1.2 -11.0 266 17 274.1 274.4 270.6 279.1 1.79 5 850 1491 -9.1 -10.6 89 1.5 -9.5 270 17 276.6 277.0 272.5 282.3 2.00 6 838 1601 -7.7 -11.5 74 3.8 -8.8 272 17 279.2 279.5 273.8 284.6 1.89 7 820 1770 -9.1 -14.1 67 5.0 -10.5 275 18 279.5 279.7 273.5 284.0 1.56 8 764 2317 -8.9 -18.9 44 10.0 -11.4 284 19 285.4 285.6 276.0 288.8 1.12 9 755 2409 -8.7 -18.7 44 10.0 -11.2 285 19 286.6 286.8 276.7 290.1 1.16 10 703 2959 -10.9 -16.9 61 6.0 -12.5 294 21 290.1 290.3 278.8 294.4 1.45 11 700 2992 -11.1 -17.1 61 6.0 -12.7 295 21 290.2 290.4 278.9 294.5 1.43 12 662 3419 -12.9 -21.9 47 9.0 -15.0 296 23 292.8 293.0 279.6 296.0 1.00 13 620 3917 -16.1 -24.1 50 8.0 -17.7 297 26 294.7 294.9 280.2 297.5 0.88 14 529 5092 -25.3 -29.7 67 4.4 -25.9 299 33 297.4 297.5 281.1 299.4 0.62 15 526 5133 -25.3 -29.7 67 4.4 -25.9 299 34 297.8 298.0 281.3 299.9 0.62 16 503 5457 -26.9 -31.9 63 5.0 -27.6 300 36 299.7 299.8 282.0 301.5 0.52 17 500 5500 -27.3 -32.3 62 5.0 -27.9 300 36 299.8 299.8 282.0 301.4 0.51 18 447 6294 -33.9 -40.9 49 7.0 -34.5 303 38 301.2 301.3 282.2 302.0 0.24 19 400 7060 -40.5 -45.5 59 5.0 -40.8 305 40 302.4 302.4 282.5 302.9 0.16 20 352 7916 -48.1 -52.6 60 4.5 -48.3 301 40 303.4 303.4 282.8 303.7 0.08 21 303 8887 -55.5 -59.6 60 4.1 -55.6 295 40 306.2 306.3 284.0 306.4 0.04 22 300 8950 -56.1 -60.2 60 4.1 -56.2 295 40 306.3 306.3 284.0 306.4 0.04 23 258 9896 -63.1 -66.9 60 3.8 -63.1 287 37 309.5 309.5 285.1 309.5 0.02 24 250 10090 -64.9 -68.7 59 3.8 -64.9 285 36 309.6 309.6 285.2 309.6 0.01 25 228 10652 -64.9 -68.7 59 3.8 -64.9 317.8 317.8 288.1 317.9 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5277.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 64.48 % Est. max temperature: 2.29 C = 36.12 F Sfc-Lift cond lev (LCL): 989.04 mb = 309.79 m = 1016.35 ft T: -3.01 C 700-500 lapse rate: 6.46 C/km ThetaE index: 1.49 C Layer 1000.0- 870.0 mb Conv cond level (CCL): 926.76 mb = 822.05 m = 2696.98 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 0.14 C = 32.25 F Cap Strength: 18.31 C Lifted Index: 18.32 C Risk: None Lifted Index @300 mb: 20.17 C Lifted Index @700 mb: 13.20 C Showalter Index: 14.87 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 16.70 C K Index: 1.60 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 4.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.70 J/kg Max Up Vert Vel: 2.32 m/s Conv Inhibition (B-): 6398.43 J/kg Cap Strength: 18.23 C Lift Cond Lev (LCL): 934.31 mb = 758.09 m = 2487.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 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 1019 73 200 3 1.0 2.8 | 146 20 -11.2 16.3 1 1000 223 220 13 8.4 10.0 | 171 24 -3.9 23.5 2 925 837 240 21 18.2 10.5 | 194 25 6.0 24.0 3 850 1491 270 17 17.0 -0.0 | 199 14 4.8 13.5 4 700 2992 295 21 19.0 -8.9 | 236 8 6.8 4.6 5 500 5500 300 36 31.2 -18.0 | 283 19 18.9 -4.5 6 400 7060 305 40 32.8 -22.9 | 295 23 20.5 -9.4 7 300 8950 295 40 36.3 -16.9 | 278 24 24.0 -3.4 8 250 10090 285 36 34.8 -9.3 | 259 23 22.5 4.2 Wind Parameters Mean winds (0-6000m): 287.9 at 24.3 knts Storm direction: 317.9 at 18.2 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 93.2 deg Storm rel helicity (0-3000m) pos: 152.1 neg: -0.1 tot: 151.9 m^2/s^2 ave: 50.6 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 62.86 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 ------------------------------------------------------------------------------- 500 225 13 172 23| 15.5 0.0 15.5| 89.6 0.0 89.6 179.2 0.95| 16.3 15.5 1000 235 16 183 23| 9.2 0.0 9.2|127.0 0.0 127.0 127.0 0.86| 12.4 10.7 1500 244 17 188 21| 5.7 0.0 5.7|132.0 -0.1 131.9 87.9 0.70| 10.7 7.5 2000 252 17 192 19| 4.7 0.0 4.7|139.3 -0.1 139.2 69.6 0.70| 8.8 6.2 2500 259 18 197 18| 4.1 0.0 4.1|146.0 -0.1 145.9 58.3 0.71| 7.7 5.4 3000 266 18 202 16| 3.8 0.0 3.8|152.1 -0.1 151.9 50.6 0.72| 6.9 5.0 4000 276 20 212 14| 3.6 0.0 3.6|164.4 -0.1 164.3 41.1 0.72| 6.0 4.3 5000 283 22 227 13| 3.5 0.0 3.5|177.9 -0.1 177.8 35.6 0.71| 5.4 3.8 6000 288 24 241 12| 3.3 0.0 3.3|192.2 -0.1 192.1 32.0 0.70| 4.9 3.4 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251206.00.gif