UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011912.upa.cvt Date: 1200Z 19 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 19 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 1015 89 -17.5 -20.1 80 2.6 -17.9 45 1 254.6 254.7 254.3 256.6 0.76 1 1000 200 -18.7 -22.1 75 3.4 -19.2 45 3 254.4 254.6 254.0 256.2 0.65 2 958 520 -21.1 -24.4 75 3.3 -21.5 78 6 255.2 255.2 254.4 256.7 0.55 3 947 606 -18.3 -21.7 75 3.4 -18.8 87 7 258.9 259.0 257.8 260.8 0.71 4 925 782 -17.5 -20.5 77 3.0 -18.0 105 9 261.4 261.5 260.0 263.6 0.81 5 900 987 -16.9 -19.8 78 2.9 -17.4 110 12 264.1 264.2 262.2 266.5 0.88 6 857 1353 -19.9 -23.0 76 3.1 -20.4 119 18 264.7 264.8 262.2 266.7 0.70 7 850 1414 -16.7 -19.7 78 3.0 -17.3 120 19 268.7 268.8 265.6 271.3 0.94 8 841 1494 -15.7 -18.8 77 3.1 -16.3 120 19 270.5 270.7 267.0 273.4 1.03 9 700 2866 -20.1 -26.1 59 6.0 -21.0 125 11 280.2 280.3 272.4 282.2 0.65 10 622 3733 -23.7 -26.9 75 3.2 -24.2 120 10 285.7 285.9 275.5 287.8 0.68 11 500 5290 -34.5 -37.7 73 3.2 -34.8 110 7 291.0 291.0 277.6 292.0 0.30 12 400 6810 -46.5 -49.5 71 3.0 -46.6 110 7 294.6 294.6 279.0 294.9 0.10 13 300 8660 -60.1 -63.6 63 3.5 -60.2 105 9 300.6 300.6 281.6 300.7 0.02 14 292 8829 -61.1 -64.5 64 3.4 -61.2 100 9 301.5 301.5 282.0 301.6 0.02 15 271 9296 -61.1 -64.5 64 3.4 -61.2 100 7 308.0 308.0 284.6 308.1 0.02 16 250 9800 -60.5 -64.1 62 3.6 -60.6 100 5 316.1 316.1 287.5 316.2 0.03 17 200 11190 -59.5 -63.4 60 3.9 -59.6 340 7 338.5 338.5 294.0 338.7 0.04 18 158 12658 -60.3 -64.3 59 4.0 -60.4 307 9 360.8 360.8 298.9 361.0 0.04 19 150 12980 -61.1 -65.0 60 3.9 -61.2 300 9 364.8 364.8 299.7 365.0 0.04 20 100 15460 -66.5 -70.7 55 4.2 -66.5 310 15 399.2 399.2 305.1 399.4 0.03 21 77 17019 -71.7 -76.0 52 4.3 -71.8 292 21 419.4 419.4 307.6 419.5 0.02 22 70 17580 -72.3 -76.8 51 4.5 -72.3 285 23 429.7 429.7 308.8 429.8 0.02 23 50 19550 -74.9 -79.3 50 4.4 -74.9 295 33 467.0 467.0 312.4 467.1 0.01 24 35 21612 -76.7 -81.2 49 4.5 -76.7 512.4 512.5 315.8 512.5 0.02 TRP 292 8829 -61.1 -64.5 64 3.4 -61.2 100 9 301.5 301.5 282.0 301.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5090.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 71.78 % Est. max temperature: -7.45 C = 18.59 F Sfc-Lift cond lev (LCL): 972.75 mb = 405.73 m = 1331.12 ft T: -20.25 C 700-500 lapse rate: 5.94 C/km ThetaE index: 0.40 C Layer 1000.0- 958.0 mb Conv cond level (CCL): 572.44 mb = 4325.18 m = 14190.05 ft Mean mixing ratio: 0.68 g/kg Conv temperature: 15.86 C = 60.56 F Cap Strength: 23.74 C Lifted Index: 26.42 C Risk: None Lifted Index @300 mb: 29.65 C Lifted Index @700 mb: 19.78 C Showalter Index: 16.31 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 14.80 C K Index: -7.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.06 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 44589.16 J/kg Cap Strength: 26.34 C Lift Cond Lev (LCL): 915.16 mb = 862.22 m = 2828.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 147 at 8 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 1015 89 45 1 -0.7 -0.7 | 334 8 3.5 -7.2 1 1000 200 45 3 -2.1 -2.1 | 347 9 2.1 -8.6 2 925 782 105 9 -8.7 2.3 | 48 6 -4.5 -4.1 3 850 1414 120 19 -16.5 9.5 | 104 13 -12.3 3.0 4 700 2866 125 11 -9.0 6.3 | 88 5 -4.8 -0.1 5 500 5290 110 7 -6.6 2.4 | 31 5 -2.4 -4.1 6 400 6810 110 7 -6.6 2.4 | 31 5 -2.4 -4.1 7 300 8660 105 9 -8.7 2.3 | 48 6 -4.5 -4.1 8 292 8829 100 9 -8.9 1.6 | 44 7 -4.7 -4.9 9 250 9800 100 5 -4.9 0.9 | 8 6 -0.7 -5.6 10 200 11190 340 7 2.4 -6.6 | 333 15 6.6 -13.0 11 150 12980 300 9 7.8 -4.5 | 312 16 12.0 -11.0 12 100 15460 310 15 11.5 -9.6 | 316 22 15.7 -16.1 13 70 17580 285 23 22.2 -6.0 | 295 29 26.4 -12.4 14 50 19550 295 33 29.9 -13.9 | 301 40 34.1 -20.4 Wind Parameters Mean winds (0-6000m): 117.1 at 10.3 knts Storm direction: 147.1 at 7.7 knts Shear (0-3000m) pos: 2.1 neg: 0.3 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 108.9 deg Storm rel helicity (0-3000m) pos: 40.2 neg: -4.3 tot: 35.9 m^2/s^2 ave: 12.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.44 Bulk Shear: 8.34 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 70 4 359 8| 6.5 0.0 6.5| 15.4 0.0 15.4 30.7 0.95| 7.5 7.2 1000 99 7 29 6| 6.9 0.0 6.9| 29.2 0.0 29.2 29.2 0.91| 8.1 7.4 1500 110 10 63 6| 6.1 0.0 6.1| 40.2 -0.2 40.1 26.7 0.84| 7.5 6.3 2000 114 12 77 7| 3.9 0.0 3.9| 40.2 -1.3 38.9 19.5 0.73| 6.3 4.6 2500 116 12 82 7| 2.5 0.0 2.5| 40.2 -2.8 37.4 15.0 0.62| 5.6 3.5 3000 117 12 83 7| 2.1 0.3 2.4| 40.2 -4.3 35.9 12.0 0.55| 5.0 2.7 4000 118 12 81 6| 1.6 0.5 2.1| 40.2 -6.6 33.6 8.4 0.45| 4.0 1.8 5000 118 11 76 6| 1.3 0.6 1.9| 40.2 -8.9 31.4 6.3 0.37| 3.4 1.3 6000 117 10 70 5| 1.1 0.5 1.6| 40.2 -9.3 30.9 5.2 0.35| 2.9 1.0 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260119.12.gif