UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 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 1024 18 -9.1 -13.4 71 4.3 -10.1 155 15 262.3 262.5 261.6 265.8 1.33 1 1007 148 -7.7 -14.7 57 7.0 -9.4 169 18 264.9 265.1 263.4 268.3 1.21 2 1000 202 -8.1 -15.1 57 7.0 -9.7 175 19 265.0 265.2 263.4 268.3 1.18 3 969 445 -9.9 -16.9 57 7.0 -11.4 185 19 265.6 265.8 263.6 268.5 1.05 4 925 801 -13.1 -19.1 61 6.0 -14.3 200 19 265.9 266.1 263.6 268.5 0.91 5 850 1438 -18.5 -21.2 79 2.7 -19.0 190 15 266.8 266.9 264.0 269.1 0.83 6 848 1456 -18.7 -21.3 80 2.6 -19.1 188 15 266.7 266.9 264.0 269.1 0.82 7 843 1500 -17.9 -20.4 81 2.5 -18.3 184 15 268.0 268.2 265.0 270.6 0.89 8 817 1735 -16.9 -22.9 60 6.0 -17.9 163 13 271.5 271.6 267.1 273.6 0.74 9 700 2887 -20.7 -32.7 33 12.0 -22.2 60 7 279.6 279.6 271.5 280.7 0.35 10 648 3453 -23.1 -41.1 18 18.0 -24.8 42 12 283.1 283.1 273.2 283.6 0.16 11 646 3476 -23.3 -41.3 18 18.0 -24.9 41 12 283.1 283.1 273.2 283.6 0.16 12 550 4628 -32.7 -40.7 45 8.0 -33.3 3 21 285.3 285.3 274.5 285.9 0.20 13 523 4980 -35.9 -43.9 44 8.0 -36.4 351 24 285.6 285.6 274.6 286.1 0.15 14 500 5290 -37.9 -46.9 38 9.0 -38.3 340 27 286.8 286.8 275.2 287.2 0.11 15 400 6800 -48.3 -58.3 31 10.0 -48.5 355 31 292.2 292.2 277.8 292.3 0.04 16 352 7628 -54.1 -64.1 28 10.0 -54.2 351 33 295.3 295.3 279.3 295.4 0.02 17 300 8640 -58.5 -68.5 27 10.0 -58.6 345 36 302.9 302.9 282.5 302.9 0.01 18 263 9463 -61.3 -71.3 25 10.0 -61.4 335 40 310.4 310.4 285.5 310.4 0.01 19 250 9780 -59.3 -69.3 26 10.0 -59.4 330 42 317.9 317.9 288.1 318.0 0.01 20 200 11190 -55.7 -65.7 28 10.0 -55.9 330 31 344.6 344.6 295.4 344.7 0.03 21 198 11254 -55.3 -65.3 28 10.0 -55.5 330 31 346.2 346.2 295.8 346.3 0.03 22 150 13010 -58.1 -70.1 20 12.0 -58.3 335 36 370.0 370.0 300.6 370.1 0.02 23 141 13400 -58.9 -70.9 20 12.0 -59.1 333 38 375.2 375.2 301.5 375.3 0.02 24 100 15540 -62.7 -75.7 16 13.0 -62.9 325 46 406.6 406.6 306.1 406.6 0.01 25 75 17294 -65.5 -79.5 13 14.0 -65.7 321 46 435.6 435.6 309.4 435.6 0.01 26 70 17710 -67.7 -81.7 12 14.0 -67.8 320 46 439.5 439.6 309.8 439.6 0.01 27 51 19585 -75.7 -89.7 9 14.0 -75.7 320 44 462.5 462.5 312.0 462.5 0.00 28 50 19700 -75.7 -89.7 9 14.0 -75.7 320 44 465.1 465.1 312.2 465.1 0.00 29 38 21274 -79.1 -79.1 100 0.0 -79.1 494.4 494.4 314.5 494.5 0.02 TRP 263 9463 -61.3 -71.3 25 10.0 -61.4 335 40 310.4 310.4 285.5 310.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5088.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 46.09 % Est. max temperature: -4.84 C = 23.29 F Sfc-Lift cond lev (LCL): 955.75 mb = 550.67 m = 1806.64 ft T: -10.85 C 700-500 lapse rate: 7.16 C/km ThetaE index: 0.08 C Layer 925.0- 850.0 mb Conv cond level (CCL): 856.74 mb = 1378.52 m = 4522.64 ft Mean mixing ratio: 1.08 g/kg Conv temperature: -4.65 C = 23.64 F Cap Strength: 14.62 C Lifted Index: 15.40 C Risk: None Lifted Index @300 mb: 24.57 C Lifted Index @700 mb: 11.21 C Showalter Index: 14.70 C Risk: None Total Totals Index: 36.10 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.70 C K Index: -13.80 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 3.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.42 J/kg Max Up Vert Vel: 4.10 m/s Conv Inhibition (B-): 36305.82 J/kg Cap Strength: 15.17 C Lift Cond Lev (LCL): 876.39 mb = 1207.67 m = 3962.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 6 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 1024 18 155 15 -6.3 13.6 | 169 27 -5.0 26.4 1 1000 202 175 19 -1.7 18.9 | 179 32 -0.3 31.7 2 925 801 200 19 6.5 17.9 | 194 32 7.8 30.6 3 850 1438 190 15 2.6 14.8 | 188 28 3.9 27.5 4 700 2887 60 7 -6.1 -3.5 | 153 10 -4.7 9.3 5 500 5290 340 27 9.2 -25.4 | 320 16 10.6 -12.6 6 400 6800 355 31 2.7 -30.9 | 347 19 4.0 -18.1 7 300 8640 345 36 9.3 -34.8 | 334 24 10.6 -22.0 8 263 9463 335 40 16.9 -36.3 | 322 30 18.2 -23.5 9 250 9780 330 42 21.0 -36.4 | 317 32 22.3 -23.6 10 200 11190 330 31 15.5 -26.8 | 310 22 16.8 -14.1 11 150 13010 335 36 15.2 -32.6 | 320 26 16.5 -19.9 12 100 15540 325 46 26.4 -37.7 | 312 37 27.7 -24.9 13 70 17710 320 46 29.6 -35.2 | 306 38 30.9 -22.5 14 50 19700 320 44 28.3 -33.7 | 305 36 29.6 -20.9 Wind Parameters Mean winds (0-6000m): 335.9 at 17.1 knts Storm direction: 5.9 at 12.8 knts Shear (0-3000m) pos: 2.0 neg: 4.2 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): -22.4 deg Storm rel helicity (0-3000m) pos: 110.7 neg: -127.6 tot: -16.9 m^2/s^2 ave: -5.6 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.05 Bulk Shear: 160.45 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 ------------------------------------------------------------------------------- 500 176 18 180 31| 10.7 0.0 10.7| 77.2 0.0 77.2 154.4 0.83| 11.8 9.9 1000 186 18 186 31| 6.1 0.0 6.1|109.1 -9.1 100.1 100.1 0.73| 8.7 6.3 1500 188 18 187 31| 4.1 1.7 5.8|109.1 -38.3 70.9 47.2 0.38| 7.6 2.9 2000 184 17 185 29| 3.0 3.9 7.0|109.1-101.3 7.8 3.9 -0.03| 8.4 -0.3 2500 180 15 183 28| 2.4 4.4 6.9|109.1-124.7 -15.6 -6.2 -0.13| 8.5 -1.1 3000 181 14 183 27| 2.0 4.2 6.2|110.7-127.6 -16.9 -5.6 -0.13| 8.1 -1.0 4000 166 14 176 26| 1.5 4.4 5.9|110.7-146.3 -35.7 -8.9 -0.27| 7.5 -2.1 5000 167 15 175 27| 1.2 4.2 5.5|110.7-172.1 -61.4 -12.3 -0.38| 7.5 -2.9 6000 336 17 289 9| 0.8 3.7 4.5|127.5-183.7 -56.2 -9.4 -0.33| 7.0 -2.3 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251219.12.gif