UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 20 OCT 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 1008 55 -1.5 -1.5 100 0.0 -1.5 0 0 271.0 271.6 271.2 280.2 3.39 1 1000 118 -1.3 -2.0 95 0.7 -1.6 345 9 271.9 272.4 271.6 280.8 3.30 2 974 341 -0.9 -3.5 82 2.6 -1.9 330 12 274.3 274.8 272.6 282.6 3.03 3 940 641 -3.1 -8.0 69 4.9 -4.7 309 17 274.9 275.2 271.8 281.1 2.22 4 925 776 -3.7 -8.6 69 4.9 -5.3 300 19 275.5 275.9 272.1 281.6 2.15 5 850 1436 -9.5 -11.9 83 2.4 -10.2 315 21 276.2 276.5 271.9 281.3 1.80 6 825 1666 -11.3 -12.3 92 1.0 -11.6 312 20 276.7 277.0 272.2 281.8 1.80 7 810 1807 -10.9 -11.6 95 0.7 -11.1 310 20 278.5 278.9 273.5 284.1 1.94 8 765 2245 -11.3 -17.3 61 6.0 -12.8 304 18 282.7 282.9 274.8 286.5 1.28 9 700 2922 -14.5 -29.5 27 15.0 -17.0 295 15 286.4 286.5 275.6 287.9 0.47 10 694 2987 -15.1 -31.1 24 16.0 -17.6 296 15 286.5 286.5 275.5 287.8 0.41 11 643 3560 -17.3 -33.3 23 16.0 -19.6 300 18 290.3 290.4 277.4 291.5 0.36 12 503 5348 -30.9 -41.9 33 11.0 -31.8 315 27 294.9 294.9 279.3 295.5 0.19 13 500 5390 -30.9 -41.9 33 11.0 -31.8 315 27 295.4 295.4 279.6 296.0 0.19 14 430 6450 -35.3 -47.3 28 12.0 -36.0 315 32 302.8 302.8 282.7 303.2 0.12 15 400 6950 -39.3 -50.3 30 11.0 -39.8 315 35 303.9 303.9 283.1 304.3 0.10 16 306 8723 -53.3 -61.3 37 8.0 -53.4 310 33 308.5 308.5 284.8 308.6 0.03 17 300 8850 -53.7 -61.7 37 8.0 -53.8 310 33 309.7 309.7 285.2 309.8 0.03 18 276 9385 -56.1 -64.1 36 8.0 -56.2 305 27 313.7 313.7 286.6 313.8 0.03 19 252 9969 -53.1 -61.1 37 8.0 -53.3 300 27 326.4 326.4 290.7 326.5 0.04 20 250 10020 -53.1 -61.1 37 8.0 -53.3 300 27 327.1 327.1 290.9 327.3 0.04 21 200 11460 -51.9 -62.9 26 11.0 -52.2 295 25 350.6 350.6 296.8 350.8 0.04 22 150 13370 -51.5 -66.5 15 15.0 -52.0 285 25 381.3 381.3 302.5 381.5 0.03 23 141 13772 -51.5 -67.5 13 16.0 -52.0 388.1 388.1 303.5 388.3 0.03 TRP 276 9385 -56.1 -64.1 36 8.0 -56.2 305 27 313.7 313.7 286.6 313.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5272.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 50.18 % Est. max temperature: 3.61 C = 38.49 F Sfc-Lift cond lev (LCL): 1007.79 mb = 56.20 m = 184.38 ft T: -1.49 C 700-500 lapse rate: 6.65 C/km ThetaE index: 1.54 C Layer 940.0- 925.0 mb Conv cond level (CCL): 888.82 mb = 1087.44 m = 3567.68 ft Mean mixing ratio: 2.66 g/kg Conv temperature: 3.34 C = 38.01 F Cap Strength: 11.41 C Lifted Index: 11.80 C Risk: None Lifted Index @300 mb: 19.93 C Lifted Index @700 mb: 6.98 C Showalter Index: 11.97 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.00 C K Index: -5.50 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 3.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.78 J/kg Max Up Vert Vel: 5.62 m/s Conv Inhibition (B-): 11532.99 J/kg Cap Strength: 11.68 C Lift Cond Lev (LCL): 910.90 mb = 895.90 m = 2939.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 15 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 1008 55 0 0 -0.0 -0.0 | 159 15 -5.4 14.1 1 1000 118 345 9 2.3 -8.7 | 151 6 -3.0 5.5 2 925 776 300 19 16.5 -9.5 | 247 12 11.1 4.6 3 850 1436 315 21 14.8 -14.8 | 274 10 9.5 -0.7 4 700 2922 295 15 13.6 -6.3 | 227 11 8.2 7.8 5 500 5390 315 27 19.1 -19.1 | 290 15 13.7 -4.9 6 400 6950 315 35 24.7 -24.7 | 299 22 19.4 -10.6 7 300 8850 310 33 25.3 -21.2 | 290 21 19.9 -7.1 8 276 9385 305 27 22.1 -15.5 | 275 17 16.8 -1.3 9 250 10020 300 27 23.4 -13.5 | 268 18 18.0 0.6 10 200 11460 295 25 22.7 -10.6 | 258 18 17.3 3.6 11 150 13370 285 25 24.1 -6.5 | 248 20 18.8 7.7 Wind Parameters Mean winds (0-6000m): 309.3 at 20.2 knts Storm direction: 339.3 at 15.1 knts Shear (0-3000m) pos: 0.4 neg: 2.7 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 70.8 deg Storm rel helicity (0-3000m) pos: 24.4 neg: -24.2 tot: 0.2 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.18 Bulk Shear: 13.35 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 ------------------------------------------------------------------------------- 500 327 11 189 5| 0.0 16.1 16.1| 7.4 -2.2 5.3 10.6 0.31| 18.7 5.8 1000 310 15 233 7| 0.0 10.2 10.2| 15.0 -2.2 12.9 12.9 0.33| 13.1 4.3 1500 311 17 247 8| 0.9 6.8 7.7| 22.8 -3.8 19.0 12.7 0.36| 10.1 3.7 2000 311 18 251 8| 0.7 4.7 5.3| 22.8 -11.5 11.3 5.6 0.24| 8.3 2.0 2500 310 18 250 9| 0.5 3.4 3.9| 22.8 -19.1 3.7 1.5 0.14| 7.3 1.0 3000 308 17 247 9| 0.4 2.7 3.2| 24.4 -24.2 0.2 0.1 0.10| 6.5 0.6 4000 306 17 246 10| 0.9 2.0 3.0| 41.0 -24.2 16.8 4.2 0.21| 5.6 1.2 5000 307 19 253 10| 1.3 1.6 3.0| 59.7 -24.2 35.5 7.1 0.30| 5.0 1.5 6000 309 20 262 10| 1.4 1.6 2.9| 72.2 -24.2 48.1 8.0 0.33| 4.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251020.00.gif