UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102300.upa.cvt Date: 0000Z 23 OCT 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 23 OCT 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1021 49 3.8 2.9 94 0.9 3.4 260 5 275.3 276.1 275.5 287.8 4.61 1 1000 217 3.2 2.5 95 0.7 2.9 265 5 276.4 277.1 276.0 288.8 4.58 2 925 847 0.4 -0.3 95 0.7 0.1 295 11 279.7 280.4 277.1 290.9 4.04 3 859 1438 -2.5 -3.2 95 0.7 -2.8 295 16 282.7 283.3 277.9 292.6 3.51 4 850 1522 -2.9 -3.6 95 0.7 -3.2 295 17 283.1 283.7 278.1 292.9 3.44 5 700 3049 -7.3 -15.3 53 8.0 -9.7 300 29 294.4 294.7 281.1 299.5 1.66 6 693 3127 -7.5 -15.5 53 8.0 -9.9 300 30 295.0 295.3 281.4 300.1 1.65 7 639 3755 -9.5 -15.5 62 6.0 -11.3 303 34 299.7 300.0 283.5 305.3 1.79 8 564 4709 -14.7 -17.4 80 2.7 -15.4 306 41 304.4 304.8 285.3 310.0 1.73 9 502 5580 -20.1 -23.1 77 3.0 -20.8 310 48 308.2 308.4 286.1 312.1 1.19 10 500 5610 -20.3 -23.3 77 3.0 -21.0 310 48 308.3 308.5 286.1 312.1 1.17 11 400 7220 -32.3 -36.1 69 3.8 -32.7 310 56 313.0 313.1 286.9 314.6 0.44 12 362 7914 -37.3 -41.3 67 3.9 -37.7 310 60 315.3 315.4 287.5 316.4 0.28 13 319 8772 -43.7 -47.8 64 4.1 -43.9 313 56 318.1 318.2 288.3 318.7 0.16 14 300 9180 -47.7 -51.8 63 4.1 -47.9 315 54 318.1 318.1 288.3 318.5 0.11 15 250 10360 -58.1 -62.2 59 4.1 -58.2 315 50 319.7 319.7 288.7 319.8 0.04 16 247 10436 -58.5 -62.7 58 4.2 -58.6 320.2 320.2 288.8 320.3 0.03 TRP WND 362 7914 -37.3 -41.3 67 3.9 -37.7 310 60 315.3 315.4 287.5 316.4 0.28 Sounding variables and indices 1000-500 mb thick: 5393.00 m Freezing level: 915.90 mb = 928.57 m = 3046.45 ft Wetbulb zero: 923.20 mb = 862.57 m = 2829.93 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 77.29 % Est. max temperature: 10.65 C = 51.17 F Sfc-Lift cond lev (LCL): 1006.94 mb = 161.00 m = 528.19 ft T: 3.40 C 700-500 lapse rate: 5.08 C/km Conv cond level (CCL): 938.18 mb = 732.64 m = 2403.65 ft Mean mixing ratio: 4.36 g/kg Conv temperature: 7.62 C = 45.71 F Cap Strength: 16.18 C Lifted Index: 16.24 C Risk: None Lifted Index @300 mb: 20.25 C Lifted Index @700 mb: 8.56 C Showalter Index: 13.78 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 16.70 C K Index: 5.80 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.95 J/kg Max Up Vert Vel: 5.65 m/s Conv Inhibition (B-): 5417.81 J/kg Cap Strength: 15.97 C Lift Cond Lev (LCL): 958.94 mb = 555.82 m = 1823.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 22 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 1021 49 260 5 4.9 0.9 | 167 21 -4.6 20.2 1 1000 217 265 5 5.0 0.4 | 167 20 -4.5 19.7 2 925 847 295 11 10.0 -4.6 | 182 15 0.4 14.6 3 850 1522 295 17 15.4 -7.2 | 206 13 5.9 12.1 4 700 3049 300 29 25.1 -14.5 | 253 16 15.6 4.8 5 500 5610 310 48 36.8 -30.9 | 293 30 27.2 -11.6 6 400 7220 310 56 42.9 -36.0 | 297 37 33.4 -16.7 7 362 7914 310 60 46.0 -38.6 | 298 41 36.4 -19.3 8 300 9180 315 54 38.2 -38.2 | 303 34 28.7 -18.9 9 250 10360 315 50 35.4 -35.4 | 302 30 25.8 -16.1 Wind Parameters Mean winds (0-6000m): 303.7 at 28.7 knts Storm direction: 333.7 at 21.5 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 85.8 deg Storm rel helicity (0-3000m) pos: 86.7 neg: -0.1 tot: 86.6 m^2/s^2 ave: 28.9 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.21 Bulk Shear: 74.93 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 ------------------------------------------------------------------------------- 500 271 6 170 19| 4.0 0.0 4.0| 13.6 -0.1 13.5 27.0 0.67| 4.1 2.7 1000 286 8 175 17| 4.7 0.0 4.7| 28.2 -0.1 28.1 28.1 0.66| 4.9 3.2 1500 290 11 181 16| 4.6 0.0 4.6| 43.9 -0.1 43.8 29.2 0.76| 4.8 3.6 2000 293 13 188 15| 4.5 0.0 4.5| 57.9 -0.1 57.8 28.9 0.81| 4.6 3.7 2500 294 15 197 14| 4.4 0.0 4.4| 72.1 -0.1 72.0 28.8 0.84| 4.5 3.8 3000 296 17 205 13| 4.4 0.0 4.4| 86.7 -0.1 86.6 28.9 0.85| 4.4 3.8 4000 298 21 222 13| 4.2 0.0 4.2|117.5 -0.1 117.4 29.4 0.84| 4.3 3.6 5000 301 25 241 13| 4.2 0.0 4.2|152.6 -0.1 152.5 30.5 0.82| 4.3 3.5 6000 304 29 257 15| 4.0 0.0 4.0|179.8 -0.1 179.7 30.0 0.78| 4.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251023.00.gif