UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011512.upa.cvt Date: 1200Z 15 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 15 JAN 26 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 1031 91 -25.1 -28.7 72 3.6 -25.4 125 1 245.9 245.9 245.7 246.8 0.35 1 1000 312 -25.9 -29.8 70 3.9 -26.2 155 3 247.2 247.3 246.9 248.1 0.32 2 999 319 -25.9 -29.8 70 3.9 -26.2 156 3 247.3 247.4 247.0 248.2 0.32 3 976 495 -5.5 -9.7 72 4.2 -6.7 180 5 269.5 269.8 267.8 274.7 1.87 4 954 674 -3.5 -16.5 36 13.0 -6.8 203 8 273.3 273.5 269.0 276.5 1.10 5 927 901 -4.1 -29.1 12 25.0 -8.7 233 11 274.9 275.0 268.7 276.1 0.37 6 925 918 -4.1 -29.1 12 25.0 -8.7 235 11 275.1 275.2 268.8 276.3 0.37 7 904 1099 -4.7 -26.7 16 22.0 -9.0 235 9 276.3 276.4 269.8 277.8 0.48 8 868 1417 -6.9 -22.9 27 16.0 -10.3 235 6 277.3 277.4 270.7 279.3 0.70 9 854 1544 -7.7 -19.7 38 12.0 -10.5 235 5 277.7 277.9 271.4 280.5 0.94 10 850 1580 -7.7 -17.7 45 10.0 -10.1 235 5 278.1 278.3 271.9 281.3 1.12 11 834 1728 -8.1 -14.1 62 6.0 -9.7 237 5 279.2 279.4 273.2 283.6 1.54 12 785 2197 -9.3 -13.7 70 4.4 -10.5 245 6 282.8 283.1 275.5 287.7 1.69 13 700 3075 -14.3 -18.6 70 4.3 -15.3 260 7 286.6 286.9 276.9 290.4 1.26 14 654 3588 -16.9 -20.4 74 3.5 -17.7 266 10 289.3 289.5 278.1 292.9 1.15 15 500 5550 -30.3 -34.6 66 4.3 -30.7 290 23 296.1 296.2 280.2 297.4 0.41 16 483 5794 -31.9 -36.9 61 5.0 -32.4 292 24 297.1 297.1 280.6 298.2 0.33 17 400 7090 -43.9 -48.8 58 4.9 -44.1 305 29 297.9 298.0 280.6 298.3 0.11 18 333 8292 -54.1 -58.9 55 4.8 -54.2 318 33 300.0 300.0 281.4 300.2 0.04 19 320 8546 -57.3 -62.1 54 4.8 -57.3 321 34 299.0 299.0 281.0 299.1 0.03 20 300 8950 -60.7 -65.1 56 4.4 -60.7 325 36 299.8 299.8 281.3 299.9 0.02 21 250 10060 -69.9 -74.4 52 4.5 -69.9 325 44 302.1 302.1 282.3 302.2 0.01 22 226 10652 -74.5 -79.0 50 4.5 -74.5 325 48 304.0 304.0 283.0 304.0 0.00 23 200 11370 -69.9 -74.4 52 4.5 -69.9 330 31 322.1 322.1 289.4 322.1 0.01 24 189 11707 -68.7 -73.4 51 4.7 -68.7 332 31 329.2 329.2 291.5 329.3 0.01 25 150 13090 -67.7 -72.5 50 4.8 -67.7 340 31 353.5 353.5 297.4 353.5 0.01 26 125 14192 -66.5 -71.3 51 4.8 -66.5 342 31 374.6 374.6 301.4 374.7 0.02 27 100 15530 -70.7 -75.5 49 4.8 -70.8 345 31 391.1 391.1 304.0 391.2 0.01 28 70 17620 -75.3 -80.3 45 5.0 -75.3 330 38 423.3 423.3 308.1 423.3 0.01 29 64 18138 -76.1 -81.1 45 5.0 -76.2 432.5 432.5 309.1 432.6 0.01 TRP 226 10652 -74.5 -79.0 50 4.5 -74.5 325 48 304.0 304.0 283.0 304.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 61.50 % Est. max temperature: 6.19 C = 43.14 F Sfc-Lift cond lev (LCL): 970.75 mb = 537.38 m = 1763.04 ft T: -5.03 C 700-500 lapse rate: 6.46 C/km ThetaE index: 0.38 C Layer 927.0- 925.0 mb Conv cond level (CCL): 1000.00 mb = 312.00 m = 1023.61 ft Mean mixing ratio: 0.87 g/kg Conv temperature: -16.50 C = 2.29 F Cap Strength: 23.10 C Lifted Index: 26.57 C Risk: None Lifted Index @300 mb: 25.53 C Lifted Index @700 mb: 21.36 C Showalter Index: 12.57 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 12.60 C K Index: 0.60 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 154.64 J/kg Max Up Vert Vel: 17.59 m/s Conv Inhibition (B-): 27687.82 J/kg Cap Strength: 26.49 C Lift Cond Lev (LCL): 893.29 mb = 1192.06 m = 3910.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 9 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 1031 91 125 1 -0.8 0.6 | 124 10 -8.0 5.5 1 1000 312 155 3 -1.3 2.7 | 132 11 -8.5 7.6 2 925 918 235 11 9.0 6.3 | 189 11 1.8 11.2 3 850 1580 235 5 4.1 2.9 | 158 8 -3.1 7.8 4 700 3075 260 7 6.9 1.2 | 177 6 -0.3 6.1 5 500 5550 290 23 21.6 -7.9 | 282 15 14.4 -3.0 6 400 7090 305 29 23.8 -16.6 | 305 20 16.6 -11.7 7 300 8950 325 36 20.6 -29.5 | 331 28 13.4 -24.6 8 250 10060 325 44 25.2 -36.0 | 330 36 18.0 -31.1 9 226 10652 325 48 27.5 -39.3 | 329 40 20.3 -34.4 10 200 11370 330 31 15.5 -26.8 | 339 23 8.3 -22.0 11 150 13090 340 31 10.6 -29.1 | 352 24 3.4 -24.2 12 100 15530 345 31 8.0 -29.9 | 358 25 0.8 -25.1 13 70 17620 330 38 19.0 -32.9 | 337 30 11.8 -28.0 Wind Parameters Mean winds (0-6000m): 274.2 at 11.6 knts Storm direction: 304.2 at 8.7 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 53.8 deg Storm rel helicity (0-3000m) pos: 47.2 neg: -11.5 tot: 35.7 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 7.10 Bulk Shear: 21.77 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 ------------------------------------------------------------------------------- 500 172 4 137 11| 6.5 0.0 6.5| 18.8 0.0 18.8 37.6 0.84| 7.3 6.1 1000 220 6 162 10| 5.1 0.0 5.1| 42.4 -2.0 40.5 40.5 0.79| 8.2 6.4 1500 226 7 166 10| 1.9 0.0 1.9| 42.4 -11.5 30.9 20.6 0.42| 7.0 3.0 2000 229 6 165 9| 1.6 0.0 1.6| 44.1 -11.5 32.7 16.3 0.44| 5.5 2.4 2500 233 6 166 9| 1.4 0.0 1.4| 45.7 -11.5 34.2 13.7 0.46| 4.6 2.1 3000 238 6 167 8| 1.3 0.0 1.3| 47.2 -11.5 35.7 11.9 0.47| 4.1 1.9 4000 249 7 177 8| 1.9 0.0 1.9| 58.5 -11.5 47.0 11.8 0.58| 3.9 2.3 5000 263 9 198 6| 2.2 0.0 2.2| 73.6 -11.5 62.1 12.4 0.62| 3.9 2.4 6000 274 12 227 6| 2.2 0.0 2.2| 93.0 -11.5 81.5 13.6 0.64| 3.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260115.12.gif