UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 12 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 1018 93 -16.1 -19.3 76 3.2 -16.6 350 3 255.7 255.9 255.4 257.9 0.81 1 1000 227 -16.7 -20.5 72 3.8 -17.3 350 7 256.5 256.6 255.9 258.5 0.75 2 964 501 -19.1 -23.2 70 4.1 -19.7 2 14 256.7 256.8 255.8 258.4 0.61 3 925 808 -19.7 -23.5 72 3.8 -20.2 15 21 259.2 259.3 257.8 260.9 0.62 4 902 995 -20.3 -24.3 70 4.0 -20.8 18 18 260.4 260.5 258.8 262.1 0.59 5 883 1154 -17.9 -22.3 68 4.4 -18.6 20 16 264.5 264.6 262.2 266.5 0.72 6 875 1222 -16.7 -21.5 66 4.8 -17.5 22 14 266.4 266.6 263.7 268.6 0.78 7 850 1440 -16.5 -24.5 50 8.0 -17.7 25 11 268.9 269.0 265.1 270.6 0.62 8 762 2258 -17.5 -36.5 17 19.0 -19.7 5 13 276.3 276.4 269.3 277.0 0.22 9 760 2278 -17.7 -36.7 17 19.0 -19.8 5 13 276.3 276.3 269.3 277.0 0.22 10 700 2887 -21.7 -34.7 30 13.0 -23.1 350 15 278.5 278.5 270.8 279.4 0.29 11 634 3611 -26.7 -38.7 31 12.0 -27.8 344 19 280.8 280.8 272.0 281.4 0.21 12 513 5120 -34.1 -50.1 18 16.0 -34.9 332 28 289.3 289.3 276.5 289.6 0.08 13 500 5300 -34.3 -51.3 16 17.0 -35.1 330 29 291.2 291.2 277.4 291.5 0.07 14 486 5497 -34.9 -51.9 16 17.0 -35.7 329 30 292.9 292.9 278.2 293.1 0.07 15 400 6820 -45.3 -59.3 19 14.0 -45.6 325 33 296.1 296.1 279.7 296.2 0.03 16 385 7074 -47.3 -61.3 19 14.0 -47.6 324 34 296.7 296.7 279.9 296.8 0.03 17 300 8690 -57.3 -70.3 18 13.0 -57.4 315 38 304.6 304.6 283.2 304.6 0.01 18 291 8881 -58.5 -71.5 17 13.0 -58.6 310 38 305.5 305.5 283.6 305.6 0.01 19 267 9419 -59.5 -72.5 17 13.0 -59.6 313 38 311.7 311.7 285.9 311.7 0.01 20 250 9830 -58.1 -71.1 17 13.0 -58.2 315 38 319.7 319.7 288.6 319.7 0.01 21 200 11230 -58.7 -71.7 17 13.0 -58.9 305 35 339.8 339.8 294.3 339.9 0.01 22 150 13040 -58.5 -72.5 15 14.0 -58.7 285 33 369.3 369.3 300.4 369.4 0.01 23 104 15293 -67.1 -81.1 12 14.0 -67.2 267 41 393.6 393.6 304.3 393.7 0.01 24 100 15530 -66.5 -80.5 12 14.0 -66.6 265 42 399.2 399.2 305.1 399.3 0.01 25 82 16730 -66.7 -80.7 12 14.0 -66.8 262 50 422.1 422.1 308.0 422.2 0.01 26 70 17680 -69.1 -83.1 11 14.0 -69.2 260 56 436.6 436.6 309.5 436.6 0.01 27 50 19670 -72.3 -86.3 10 14.0 -72.4 260 68 473.1 473.1 312.9 473.1 0.00 28 45 20285 -75.5 -89.5 9 14.0 -75.6 259 71 479.8 479.8 313.4 479.8 0.00 29 40 20965 -76.3 -90.3 9 14.0 -76.4 258 75 494.2 494.3 314.5 494.3 0.00 30 36 21576 -74.5 -88.5 10 14.0 -74.6 257 78 514.0 514.0 315.9 514.1 0.00 31 30 22630 -76.9 -90.9 9 14.0 -77.0 255 83 535.0 535.0 317.2 535.0 0.00 32 25 23677 -77.3 -91.3 9 14.0 -77.4 562.5 562.5 318.8 562.5 0.00 TRP 291 8881 -58.5 -71.5 17 13.0 -58.6 310 38 305.5 305.5 283.6 305.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5073.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 37.72 % Est. max temperature: -4.68 C = 23.58 F Sfc-Lift cond lev (LCL): 966.14 mb = 484.54 m = 1589.68 ft T: -18.96 C 700-500 lapse rate: 5.22 C/km ThetaE index: 0.07 C Layer 964.0- 925.0 mb Conv cond level (CCL): 629.16 mb = 3665.59 m = 12026.06 ft Mean mixing ratio: 0.67 g/kg Conv temperature: 9.36 C = 48.84 F Cap Strength: 25.06 C Lifted Index: 26.44 C Risk: None Lifted Index @300 mb: 32.27 C Lifted Index @700 mb: 17.95 C Showalter Index: 17.07 C Risk: None Total Totals Index: 27.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 9.80 C K Index: -19.70 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 4.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.84 J/kg Max Up Vert Vel: 5.07 m/s Conv Inhibition (B-): 49654.20 J/kg Cap Strength: 25.57 C Lift Cond Lev (LCL): 907.98 mb = 945.86 m = 3103.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 at 14 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 1018 93 350 3 0.5 -3.0 | 201 12 4.3 11.0 1 1000 227 350 7 1.2 -6.9 | 215 9 5.0 7.0 2 925 808 15 21 -5.4 -20.3 | 15 7 -1.7 -6.4 3 850 1440 25 11 -4.6 -10.0 | 167 4 -0.9 3.9 4 700 2887 350 15 2.6 -14.8 | 278 6 6.4 -0.9 5 500 5300 330 29 14.5 -25.1 | 302 21 18.2 -11.2 6 400 6820 325 33 18.9 -27.0 | 300 26 22.7 -13.1 7 300 8690 315 38 26.9 -26.9 | 293 33 30.6 -13.0 8 291 8881 310 38 29.1 -24.4 | 288 35 32.9 -10.5 9 250 9830 315 38 26.9 -26.9 | 293 33 30.6 -13.0 10 200 11230 305 35 28.7 -20.1 | 281 33 32.4 -6.2 11 150 13040 285 33 31.9 -8.5 | 261 36 35.6 5.4 12 100 15530 265 42 41.8 3.7 | 249 49 45.6 17.6 13 70 17680 260 56 55.1 9.7 | 248 63 58.9 23.6 14 50 19670 260 68 67.0 11.8 | 250 75 70.7 25.7 15 30 22630 255 83 80.2 21.5 | 247 91 83.9 35.4 Wind Parameters Mean winds (0-6000m): 345.1 at 19.2 knts Storm direction: 15.1 at 14.4 knts Shear (0-3000m) pos: 1.5 neg: 1.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 84.2 deg Storm rel helicity (0-3000m) pos: 29.7 neg: 0.0 tot: 29.7 m^2/s^2 ave: 9.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.95 Bulk Shear: 13.53 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 ------------------------------------------------------------------------------- 500 359 10 222 6| 13.3 0.0 13.3| 14.6 0.0 14.6 29.2 0.70| 13.9 9.7 1000 11 14 268 1| 7.2 0.0 7.2| 21.7 0.0 21.7 21.7 0.69| 12.2 8.4 1500 14 14 216 1| 3.1 0.0 3.1| 24.5 0.0 24.5 16.3 0.71| 10.3 7.3 2000 14 13 206 1| 2.3 0.7 3.1| 26.0 0.0 26.0 13.0 0.72| 8.4 6.1 2500 12 13 233 1| 1.9 1.2 3.1| 27.5 0.0 27.5 11.0 0.71| 7.4 5.3 3000 8 14 258 2| 1.5 1.6 3.1| 29.7 0.0 29.7 9.9 0.69| 6.7 4.6 4000 360 15 286 4| 1.2 2.0 3.1| 36.0 0.0 36.0 9.0 0.64| 5.9 3.8 5000 351 17 295 7| 0.9 2.3 3.2| 37.4 -0.6 36.8 7.4 0.56| 5.4 3.0 6000 345 19 298 10| 0.8 2.2 3.0| 37.4 -3.0 34.3 5.7 0.52| 4.8 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260112.12.gif