UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 10 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1011 96 -16.3 -18.6 82 2.3 -16.7 0 0 256.0 256.2 255.8 258.4 0.87 1 1000 179 -12.7 -14.7 85 2.0 -13.1 75 3 260.5 260.6 260.0 263.7 1.22 2 993 233 -12.3 -14.3 85 2.0 -12.8 89 5 261.4 261.6 260.8 264.8 1.27 3 991 248 -9.9 -11.9 85 2.0 -10.4 94 6 263.9 264.2 263.3 268.1 1.55 4 971 406 -8.7 -10.7 85 2.0 -9.2 135 12 266.7 267.0 265.6 271.4 1.74 5 951 568 -6.5 -11.5 68 5.0 -7.9 178 18 270.5 270.8 268.1 275.1 1.66 6 925 784 -7.9 -16.9 48 9.0 -10.0 235 27 271.2 271.4 267.6 274.4 1.10 7 923 801 -8.1 -17.1 48 9.0 -10.2 236 28 271.2 271.4 267.5 274.3 1.08 8 909 919 -8.9 -16.9 52 8.0 -10.8 240 31 271.6 271.7 267.8 274.7 1.12 9 882 1154 -7.3 -11.9 70 4.6 -8.6 249 39 275.6 275.9 271.4 280.5 1.74 10 865 1305 -7.7 -10.6 80 2.9 -8.6 255 44 276.7 277.0 272.5 282.3 1.97 11 850 1441 -8.3 -11.8 76 3.5 -9.3 260 48 277.5 277.8 272.7 282.6 1.82 12 849 1450 -8.5 -12.1 75 3.6 -9.5 260 48 277.3 277.6 272.5 282.4 1.78 13 846 1478 -6.9 -10.6 75 3.7 -8.0 260 48 279.3 279.6 274.0 285.0 2.01 14 772 2189 -9.5 -14.5 67 5.0 -10.9 262 45 283.9 284.2 275.9 288.6 1.61 15 700 2938 -14.7 -20.7 60 6.0 -16.0 265 42 286.2 286.4 276.3 289.4 1.05 16 694 3003 -15.3 -21.3 60 6.0 -16.6 265 42 286.2 286.4 276.3 289.3 1.00 17 558 4620 -23.9 -26.4 80 2.5 -24.3 268 41 294.5 294.7 280.0 297.0 0.79 18 500 5410 -30.3 -33.2 76 2.9 -30.6 270 40 296.1 296.2 280.3 297.6 0.47 19 400 6960 -42.3 -46.0 67 3.7 -42.5 270 44 300.0 300.0 281.5 300.6 0.15 20 300 8840 -57.1 -61.1 60 4.0 -57.2 285 52 304.9 304.9 283.4 305.0 0.03 21 250 9970 -66.1 -69.9 59 3.8 -66.1 285 52 307.8 307.8 284.5 307.8 0.01 22 240 10216 -67.9 -72.0 56 4.1 -67.9 285 52 308.7 308.7 284.8 308.7 0.01 23 224 10632 -67.3 -71.4 56 4.1 -67.3 289 48 315.8 315.8 287.3 315.8 0.01 24 209 11052 -64.7 -68.9 56 4.2 -64.7 293 44 326.2 326.2 290.6 326.2 0.02 25 200 11320 -65.7 -69.6 58 3.9 -65.7 295 42 328.7 328.7 291.4 328.8 0.02 26 196 11442 -67.3 -71.3 57 4.0 -67.3 295 42 328.1 328.1 291.2 328.1 0.01 27 171 12268 -65.9 -69.8 58 3.9 -66.0 298 39 343.4 343.4 295.1 343.5 0.02 28 150 13060 -68.1 -72.3 55 4.2 -68.1 300 36 352.8 352.8 297.3 352.8 0.01 29 133 13779 -69.9 -74.0 55 4.1 -69.9 361.9 361.9 299.1 362.0 0.01 TRP 240 10216 -67.9 -72.0 56 4.1 -67.9 285 52 308.7 308.7 284.8 308.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5231.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 70.33 % Est. max temperature: 4.61 C = 40.30 F Sfc-Lift cond lev (LCL): 973.77 mb = 383.84 m = 1259.31 ft T: -8.87 C 700-500 lapse rate: 6.31 C/km ThetaE index: 0.85 C Layer 925.0- 909.0 mb Conv cond level (CCL): 644.06 mb = 3556.66 m = 11668.68 ft Mean mixing ratio: 1.41 g/kg Conv temperature: 16.84 C = 62.32 F Cap Strength: 20.14 C Lifted Index: 20.66 C Risk: None Lifted Index @300 mb: 23.92 C Lifted Index @700 mb: 14.87 C Showalter Index: 11.57 C Risk: None Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 18.50 C K Index: 4.20 Risk: None Sweat Index: 136.00 Risk: None Energy Index: 3.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.96 J/kg Max Up Vert Vel: 10.48 m/s Conv Inhibition (B-): 14250.30 J/kg Cap Strength: 20.61 C Lift Cond Lev (LCL): 894.17 mb = 1047.14 m = 3435.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 29 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 1011 96 0 0 -0.0 -0.0 | 114 29 -26.5 11.6 1 1000 179 75 3 -2.9 -0.8 | 110 31 -29.4 10.8 2 925 784 235 27 22.1 15.5 | 171 27 -4.3 27.0 3 850 1441 260 48 47.3 8.3 | 226 29 20.8 19.9 4 700 2938 265 42 41.8 3.7 | 225 22 15.4 15.2 5 500 5410 270 40 40.0 -0.0 | 230 18 13.5 11.6 6 400 6960 270 44 44.0 -0.0 | 237 21 17.5 11.6 7 300 8840 285 52 50.2 -13.5 | 275 24 23.8 -1.9 8 250 9970 285 52 50.2 -13.5 | 275 24 23.8 -1.9 9 240 10216 285 52 50.2 -13.5 | 275 24 23.8 -1.9 10 200 11320 295 42 38.1 -17.7 | 298 13 11.6 -6.2 11 150 13060 300 36 31.2 -18.0 | 324 8 4.7 -6.4 Wind Parameters Mean winds (0-6000m): 263.6 at 38.5 knts Storm direction: 293.6 at 28.9 knts Shear (0-3000m) pos: 7.4 neg: 3.4 tot: 10.7 10-3/s Storm rel Dir Shear (0-3000m): 112.0 deg Storm rel helicity (0-3000m) pos: 577.2 neg: -18.2 tot: 559.0 m^2/s^2 ave: 186.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 14.7 stream: 10.9 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 0.27 Bulk Shear: 206.27 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 ------------------------------------------------------------------------------- 500 175 10 128 35| 0.0 20.1 20.1|228.6 -15.7 212.8 425.6 0.65| 31.3 20.5 1000 238 19 155 24| 16.8 10.1 26.8|469.9 -15.7 454.1 454.1 0.77| 32.8 25.4 1500 249 27 177 21| 15.9 6.7 22.6|576.8 -15.7 561.1 374.0 0.81| 27.1 21.9 2000 254 32 192 21| 11.6 5.0 16.6|576.8 -16.1 560.7 280.4 0.79| 20.9 16.4 2500 256 35 200 21| 9.0 4.0 13.1|576.8 -17.2 559.6 223.9 0.76| 17.2 13.1 3000 258 36 204 21| 7.4 3.4 10.7|577.2 -18.2 559.0 186.3 0.74| 14.7 10.9 4000 260 37 210 21| 5.5 2.5 8.0|580.5 -18.2 562.3 140.6 0.74| 11.2 8.3 5000 262 38 214 20| 4.4 2.0 6.4|583.4 -18.2 565.2 113.0 0.73| 9.2 6.7 6000 264 39 217 20| 3.7 1.7 5.4|589.6 -18.2 571.5 95.2 0.72| 7.8 5.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251210.00.gif