UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 28 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 1006 91 0.6 0.6 100 0.0 0.6 0 0 273.3 273.9 273.5 284.0 3.97 1 1000 139 2.2 -0.2 84 2.4 1.2 354 1 275.4 276.0 274.3 285.6 3.76 2 998 155 5.0 2.3 83 2.7 3.8 352 1 278.3 279.1 277.0 290.7 4.52 3 965 430 5.2 1.8 79 3.4 3.7 320 4 281.2 282.0 278.5 293.7 4.51 4 945 600 3.8 -0.0 76 3.8 2.1 300 7 281.5 282.2 278.0 292.8 4.04 5 925 774 2.8 -0.7 78 3.5 1.3 280 9 282.2 282.8 278.2 293.2 3.92 6 876 1212 0.0 -2.3 84 2.3 -1.0 261 10 283.7 284.3 278.7 294.1 3.68 7 850 1453 -0.7 -2.8 86 2.1 -1.6 250 11 285.4 286.0 279.5 295.8 3.66 8 831 1634 -1.7 -3.8 86 2.1 -2.6 251 12 286.2 286.8 279.6 296.2 3.47 9 700 2984 -8.9 -12.1 78 3.2 -9.9 255 23 292.6 293.0 281.0 299.1 2.16 10 690 3095 -9.5 -12.6 78 3.1 -10.5 255 24 293.2 293.5 281.1 299.5 2.10 11 630 3792 -15.1 -18.0 78 2.9 -15.9 253 29 294.5 294.8 280.9 299.1 1.47 12 620 3913 -17.3 -21.4 70 4.1 -18.2 253 30 293.3 293.5 279.9 296.8 1.12 13 584 4360 -19.7 -29.7 41 10.0 -21.3 252 33 295.6 295.7 280.2 297.4 0.56 14 500 5500 -26.1 -38.1 31 12.0 -27.5 250 42 301.2 301.3 282.3 302.2 0.29 15 483 5748 -27.5 -39.5 31 12.0 -28.7 249 43 302.5 302.5 282.7 303.4 0.26 16 400 7070 -36.9 -46.9 35 10.0 -37.5 245 46 307.0 307.1 284.4 307.5 0.14 17 300 9000 -51.3 -60.3 33 9.0 -51.5 240 54 313.0 313.0 286.5 313.2 0.04 18 261 9897 -56.3 -65.3 31 9.0 -56.5 240 62 318.4 318.4 288.2 318.4 0.02 19 250 10170 -57.9 -66.9 31 9.0 -58.0 240 60 320.0 320.0 288.8 320.1 0.02 20 200 11570 -58.1 -66.1 35 8.0 -58.2 250 44 340.8 340.8 294.5 340.9 0.03 21 198 11633 -58.5 -66.5 35 8.0 -58.6 250 44 341.1 341.1 294.6 341.2 0.03 22 175 12414 -56.5 -64.5 36 8.0 -56.7 250 39 356.7 356.7 298.1 356.8 0.04 23 160 12981 -58.5 -67.5 30 9.0 -58.6 250 35 362.5 362.5 299.2 362.7 0.03 24 150 13390 -55.9 -64.9 32 9.0 -56.1 250 33 373.8 373.8 301.2 374.0 0.04 25 149 13432 -55.3 -64.3 32 9.0 -55.5 250 33 375.5 375.5 301.5 375.7 0.05 26 100 15940 -59.5 -69.5 26 10.0 -59.7 260 31 412.8 412.8 306.9 412.9 0.03 27 70 18140 -64.7 -75.7 21 11.0 -64.9 265 27 446.0 446.0 310.5 446.1 0.02 28 63 18788 -62.7 -73.7 21 11.0 -63.0 267 30 464.0 464.0 312.1 464.2 0.03 29 51 20080 -66.7 -77.7 20 11.0 -66.9 270 35 483.6 483.6 313.7 483.7 0.02 30 50 20200 -66.9 -77.9 20 11.0 -67.1 270 36 485.8 485.8 313.9 485.9 0.02 31 35 22356 -66.3 -78.3 17 12.0 -66.6 277 37 539.6 539.6 317.5 539.7 0.02 32 31 23085 -69.5 -80.5 19 11.0 -69.7 279 38 550.0 550.0 318.1 550.1 0.02 33 30 23280 -69.5 -80.5 19 11.0 -69.7 280 38 555.2 555.2 318.4 555.3 0.02 34 23 24872 -67.7 -78.7 19 11.0 -68.1 604.3 604.3 320.8 604.6 0.04 TRP 261 9897 -57.5 -66.5 31 9.0 -57.6 240 62 316.7 316.7 287.6 316.7 0.02 WND 261 9897 -56.3 -65.3 31 9.0 -56.5 240 62 318.4 318.4 288.2 318.4 0.02 Sounding variables and indices 1000-500 mb thick: 5361.00 m Freezing level: 876.00 mb = 1212.06 m = 3976.51 ft Wetbulb zero: 897.49 mb = 1017.04 m = 3336.69 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 68.59 % Est. max temperature: 12.35 C = 54.23 F Sfc-Lift cond lev (LCL): 1005.82 mb = 92.32 m = 302.88 ft T: 0.65 C 700-500 lapse rate: 6.84 C/km ThetaE index: 0.97 C Layer 945.0- 925.0 mb Conv cond level (CCL): 842.13 mb = 1527.33 m = 5010.87 ft Mean mixing ratio: 4.19 g/kg Conv temperature: 13.08 C = 55.54 F Cap Strength: 5.42 C Lifted Index: 8.39 C Risk: None Lifted Index @300 mb: 14.74 C Lifted Index @700 mb: 5.20 C Showalter Index: 5.81 C Risk: None Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 23.30 C K Index: 19.40 Risk: < 20 % chance of thunderstorms Sweat Index: 64.00 Risk: None Energy Index: 1.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.91 J/kg Max Up Vert Vel: 6.62 m/s Conv Inhibition (B-): 40360.18 J/kg Cap Strength: 8.04 C Lift Cond Lev (LCL): 908.62 mb = 917.77 m = 3011.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 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 1006 91 0 0 -0.0 -0.0 | 103 18 -17.7 4.0 1 925 774 280 9 8.9 -1.6 | 105 9 -8.8 2.4 2 850 1453 250 11 10.3 3.8 | 136 11 -7.4 7.7 3 700 2984 255 23 22.2 6.0 | 204 11 4.5 9.9 4 500 5500 250 42 39.5 14.4 | 230 28 21.8 18.3 5 400 7070 245 46 41.7 19.4 | 226 34 24.0 23.4 6 300 9000 240 54 46.8 27.0 | 223 42 29.1 31.0 7 261 9897 240 62 53.7 31.0 | 226 50 36.0 35.0 8 250 10170 240 60 52.0 30.0 | 225 48 34.3 34.0 9 200 11570 250 44 41.3 15.0 | 231 30 23.6 19.0 10 150 13390 250 33 31.0 11.3 | 221 20 13.3 15.3 11 100 15940 260 31 30.5 5.4 | 234 16 12.8 9.3 12 70 18140 265 27 26.9 2.4 | 236 11 9.2 6.3 13 50 20200 270 36 36.0 -0.0 | 258 19 18.3 4.0 14 30 23280 280 38 37.4 -6.6 | 278 20 19.7 -2.6 Wind Parameters Mean winds (0-6000m): 252.6 at 24.2 knts Storm direction: 282.6 at 18.1 knts Shear (0-3000m) pos: 2.0 neg: 2.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 50.9 neg: -14.7 tot: 36.2 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.37 Bulk Shear: 59.25 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 ------------------------------------------------------------------------------- 500 272 3 105 15| 0.0 6.8 6.8| 0.8 -14.7 -13.9 -27.9 -0.40| 7.8 -3.1 1000 276 6 106 12| 0.0 5.1 5.1| 12.9 -14.7 -1.8 -1.8 0.12| 7.1 0.9 1500 266 8 114 11| 0.0 4.1 4.1| 22.3 -14.7 7.5 5.0 0.30| 6.1 1.8 2000 261 9 122 10| 1.0 3.1 4.1| 31.9 -14.7 17.2 8.6 0.42| 5.6 2.3 2500 258 11 132 9| 1.6 2.5 4.1| 41.5 -14.7 26.8 10.7 0.50| 5.3 2.7 3000 257 13 143 9| 2.0 2.1 4.1| 50.9 -14.7 36.2 12.1 0.55| 5.1 2.8 4000 256 16 168 8| 1.5 2.5 4.0| 65.4 -14.7 50.6 12.7 0.54| 4.8 2.6 5000 254 20 191 10| 1.2 2.8 4.0| 77.6 -14.7 62.9 12.6 0.50| 4.6 2.3 6000 253 24 206 12| 1.0 2.7 3.8| 81.6 -20.9 60.7 10.1 0.44| 4.3 1.9 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251028.00.gif