UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 19 DEC 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 1025 16 -11.9 -16.8 67 4.9 -12.9 140 13 259.4 259.6 258.8 262.1 1.00 1 1003 183 -9.5 -16.5 57 7.0 -11.0 162 13 263.4 263.6 262.0 266.3 1.05 2 1000 206 -9.5 -16.5 57 7.0 -11.0 165 13 263.6 263.8 262.2 266.5 1.05 3 925 804 -13.7 -20.7 55 7.0 -15.0 235 11 265.3 265.4 262.9 267.5 0.79 4 914 895 -13.9 -20.9 55 7.0 -15.2 227 11 266.0 266.1 263.4 268.2 0.79 5 856 1389 -17.1 -27.1 42 10.0 -18.5 180 9 267.7 267.8 264.0 269.1 0.48 6 850 1442 -17.3 -26.3 45 9.0 -18.6 175 9 268.0 268.1 264.3 269.5 0.52 7 753 2345 -19.7 -27.7 49 8.0 -20.8 113 7 274.9 275.0 269.0 276.4 0.52 8 745 2424 -19.9 -28.9 45 9.0 -21.1 107 6 275.5 275.6 269.2 276.9 0.47 9 700 2884 -22.1 -32.1 40 10.0 -23.3 75 5 278.0 278.1 270.6 279.2 0.37 10 609 3893 -27.7 -41.7 25 14.0 -28.8 38 16 282.9 282.9 273.1 283.4 0.16 11 531 4863 -34.1 -52.1 15 18.0 -34.9 1 26 286.5 286.5 274.9 286.7 0.06 12 500 5280 -37.7 -54.7 15 17.0 -38.3 345 31 287.1 287.1 275.2 287.2 0.05 13 415 6538 -46.9 -58.9 24 12.0 -47.1 349 28 291.0 291.0 277.2 291.1 0.03 14 403 6731 -48.5 -60.5 24 12.0 -48.7 350 27 291.3 291.3 277.4 291.4 0.03 15 400 6780 -48.9 -60.9 23 12.0 -49.1 350 27 291.4 291.4 277.4 291.5 0.03 16 302 8588 -59.3 -71.3 20 12.0 -59.4 350 36 301.2 301.2 281.8 301.2 0.01 17 300 8630 -59.5 -71.5 20 12.0 -59.6 350 36 301.5 301.5 282.0 301.5 0.01 18 277 9130 -60.7 -72.7 19 12.0 -60.8 345 35 306.7 306.7 284.1 306.7 0.01 19 254 9671 -60.9 -72.9 19 12.0 -61.0 337 38 314.1 314.1 286.8 314.1 0.01 20 250 9770 -59.9 -71.9 19 12.0 -60.0 335 38 317.0 317.0 287.8 317.1 0.01 21 225 10429 -57.5 -69.5 20 12.0 -57.6 335 38 330.4 330.4 291.8 330.4 0.01 22 200 11170 -57.9 -69.9 20 12.0 -58.0 335 38 341.1 341.1 294.6 341.1 0.02 23 180 11834 -57.5 -69.5 20 12.0 -57.7 337 37 352.2 352.2 297.1 352.2 0.02 24 150 12980 -58.9 -71.9 17 13.0 -59.1 340 35 368.6 368.6 300.3 368.7 0.02 25 100 15500 -62.7 -75.7 16 13.0 -62.9 330 40 406.6 406.6 306.1 406.6 0.01 26 70 17680 -67.3 -81.3 12 14.0 -67.4 325 35 440.4 440.4 309.9 440.4 0.01 27 50 19680 -72.5 -85.5 12 13.0 -72.6 320 33 472.6 472.6 312.8 472.7 0.01 28 42 20704 -72.9 -86.9 10 14.0 -73.0 495.8 495.8 314.7 495.8 0.00 TRP 277 9130 -60.7 -72.7 19 12.0 -60.8 345 35 306.7 306.7 284.1 306.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 37.64 % Est. max temperature: -4.13 C = 24.57 F Sfc-Lift cond lev (LCL): 946.97 mb = 623.97 m = 2047.11 ft T: -12.44 C 700-500 lapse rate: 6.51 C/km ThetaE index: 0.00 C Layer 1025.0-2035380315314230741112602740391936.0 mb Conv cond level (CCL): 706.50 mb = 2815.75 m = 9237.90 ft Mean mixing ratio: 0.95 g/kg Conv temperature: 6.46 C = 43.62 F Cap Strength: 16.92 C Lifted Index: 17.07 C Risk: None Lifted Index @300 mb: 24.86 C Lifted Index @700 mb: 11.34 C Showalter Index: 14.55 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 11.40 C K Index: -15.90 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.16 J/kg Max Up Vert Vel: 5.51 m/s Conv Inhibition (B-): 38128.36 J/kg Cap Strength: 17.05 C Lift Cond Lev (LCL): 873.84 mb = 1233.74 m = 4047.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 19 at 12 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 1025 16 140 13 -8.4 10.0 | 167 21 -4.6 20.9 1 1000 206 165 13 -3.4 12.6 | 181 23 0.4 23.5 2 925 804 235 11 9.0 6.3 | 216 21 12.7 17.2 3 850 1442 175 9 -0.8 9.0 | 188 20 2.9 19.9 4 700 2884 75 5 -4.8 -1.3 | 173 10 -1.1 9.6 5 500 5280 345 31 8.0 -29.9 | 328 22 11.7 -19.0 6 400 6780 350 27 4.7 -26.6 | 332 18 8.4 -15.7 7 300 8630 350 36 6.3 -35.5 | 338 26 10.0 -24.5 8 277 9130 345 35 9.1 -33.8 | 331 26 12.8 -22.9 9 250 9770 335 38 16.1 -34.4 | 320 31 19.8 -23.5 10 200 11170 335 38 16.1 -34.4 | 320 31 19.8 -23.5 11 150 12980 340 35 12.0 -32.9 | 324 27 15.7 -22.0 12 100 15500 330 40 20.0 -34.6 | 315 34 23.7 -23.7 13 70 17680 325 35 20.1 -28.7 | 307 30 23.8 -17.8 14 50 19680 320 33 21.2 -25.3 | 300 29 24.9 -14.4 Wind Parameters Mean winds (0-6000m): 348.8 at 15.4 knts Storm direction: 18.8 at 11.5 knts Shear (0-3000m) pos: 2.5 neg: 2.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): -2.4 deg Storm rel helicity (0-3000m) pos: 119.4 neg: -86.8 tot: 32.6 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 104.06 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 ------------------------------------------------------------------------------- 500 170 13 184 23| 13.1 0.0 13.1| 80.8 0.0 80.8 161.5 0.97| 14.0 13.6 1000 193 12 196 23| 7.4 0.0 7.4|118.1 -20.2 97.9 97.9 0.67| 12.2 8.2 1500 193 11 196 23| 4.9 2.6 7.5|118.1 -61.1 57.0 38.0 0.27| 10.8 2.9 2000 185 10 192 22| 3.7 3.0 6.7|118.1 -78.8 39.3 19.6 0.13| 9.4 1.2 2500 179 10 190 21| 3.0 2.9 5.8|118.1 -84.0 34.1 13.6 0.09| 8.4 0.7 3000 175 9 188 20| 2.5 2.7 5.2|119.4 -86.8 32.6 10.9 0.06| 7.7 0.5 4000 138 10 171 18| 1.8 3.6 5.4|119.4-109.9 9.5 2.4 -0.17| 7.5 -1.3 5000 14 12 324 1| 1.5 3.8 5.2|119.4-153.8 -34.3 -6.9 -0.32| 7.9 -2.5 6000 349 15 302 8| 1.1 3.3 4.4|122.9-175.7 -52.8 -8.8 -0.33| 7.3 -2.4 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251219.00.gif