UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 17 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 1026 93 -15.7 -19.4 73 3.7 -16.3 155 1 255.6 255.7 255.2 257.7 0.80 1 1025 100 -12.1 -16.7 69 4.6 -13.0 158 1 259.2 259.4 258.6 261.9 1.01 2 1021 130 -7.3 -13.3 62 6.0 -8.8 172 2 264.3 264.5 263.2 267.9 1.34 3 1000 289 -7.9 -15.9 53 8.0 -9.7 245 7 265.2 265.4 263.4 268.3 1.10 4 971 518 -7.7 -21.7 32 14.0 -10.5 254 12 267.7 267.8 264.4 269.7 0.69 5 925 895 -8.3 -26.3 22 18.0 -11.5 270 21 270.8 270.9 266.2 272.2 0.48 6 918 954 -8.3 -27.3 20 19.0 -11.6 271 22 271.4 271.5 266.5 272.7 0.44 7 860 1462 -6.5 -32.5 11 26.0 -10.8 283 28 278.4 278.5 270.7 279.3 0.29 8 856 1499 -5.1 -32.1 10 27.0 -9.8 284 28 280.2 280.3 271.8 281.2 0.30 9 850 1554 -5.3 -33.3 9 28.0 -10.1 285 29 280.6 280.6 272.0 281.5 0.27 10 775 2276 -6.1 -35.1 8 29.0 -11.1 299 20 287.2 287.3 275.6 288.1 0.25 11 706 2999 -10.1 -38.1 8 28.0 -14.3 314 12 290.6 290.6 277.3 291.3 0.20 12 700 3065 -10.5 -37.5 9 27.0 -14.6 315 11 290.9 290.9 277.4 291.6 0.22 13 612 4085 -15.9 -23.9 50 8.0 -17.6 299 16 296.0 296.2 280.8 298.9 0.91 14 582 4464 -14.5 -18.8 70 4.3 -15.6 293 18 302.0 302.2 284.1 306.7 1.49 15 580 4490 -14.7 -18.8 71 4.1 -15.8 293 18 302.0 302.3 284.1 306.8 1.49 16 500 5600 -20.1 -24.0 71 3.9 -21.0 275 23 308.5 308.7 286.1 312.2 1.10 17 463 6165 -24.1 -28.6 66 4.5 -24.9 310.4 310.6 286.4 313.1 0.78 18 417 6927 -25.3 -30.2 64 4.9 -26.2 318.3 318.4 289.0 320.9 0.74 19 416 6944 -27.1 -33.1 57 6.0 -28.0 316.2 316.3 288.2 318.2 0.57 TRP WND Sounding variables and indices 1000-500 mb thick: 5311.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 34.35 % Est. max temperature: 5.30 C = 41.54 F Sfc-Lift cond lev (LCL): 965.87 mb = 559.00 m = 1833.98 ft T: -7.77 C 700-500 lapse rate: 3.79 C/km Conv cond level (CCL): None Cap Strength: 28.23 C Lifted Index: 32.20 C Risk: None Lifted Index @700 mb: 20.42 C Showalter Index: 22.65 C Risk: None Total Totals Index: 1.60 C Risk: None Vertical Totals Index: 14.80 C Cross Totals Index: -13.20 C K Index: -45.50 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 6.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.30 J/kg Max Up Vert Vel: 7.52 m/s Conv Inhibition (B-): 5459.60 J/kg Cap Strength: 31.70 C Lift Cond Lev (LCL): 809.26 mb = 1938.14 m = 6358.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 13 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 1026 93 155 1 -0.4 0.9 | 137 14 -9.9 10.5 1 1000 289 245 7 6.3 3.0 | 166 13 -3.1 12.6 2 925 895 270 21 21.0 -0.0 | 230 15 11.6 9.6 3 850 1554 285 29 28.0 -7.5 | 264 19 18.6 2.1 4 700 3065 315 11 7.8 -7.8 | 138 2 -1.7 1.8 5 500 5600 275 23 22.9 -2.0 | 241 15 13.5 7.6 Wind Parameters Mean winds (0-6000m): 285.5 at 18.0 knts Storm direction: 315.5 at 13.5 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 3.0 deg Storm rel helicity (0-3000m) pos: 133.7 neg: -1.6 tot: 132.1 m^2/s^2 ave: 44.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 5.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.40 Bulk Shear: 20.25 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 ------------------------------------------------------------------------------- 500 250 8 171 12| 14.7 0.0 14.7| 53.7 0.0 53.7 107.4 0.94| 16.3 15.3 1000 265 14 201 11| 12.3 0.0 12.3| 94.1 0.0 94.1 94.1 0.95| 13.8 13.1 1500 273 18 224 12| 10.0 0.0 10.0|126.0 0.0 126.0 84.0 0.95| 11.7 11.1 2000 278 20 236 12| 6.0 0.0 6.0|132.8 0.0 132.8 66.4 0.82| 10.7 8.8 2500 282 20 241 11| 3.6 0.0 3.6|133.7 -0.2 133.5 53.4 0.71| 10.0 7.1 3000 284 19 240 10| 2.1 0.0 2.1|133.7 -1.6 132.1 44.0 0.57| 9.4 5.3 4000 288 17 240 8| 1.6 0.8 2.3|135.9 -1.6 134.3 33.6 0.57| 7.8 4.5 5000 287 18 240 9| 1.2 1.3 2.5|136.2 -3.1 133.1 26.6 0.51| 6.9 3.5 6000 NO DATA | 1.1 1.5 2.6| | Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260117.00.gif