UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U5403... Searching the city database file for: U5403 ... Date:0000Z 12 DEC 25 Station: U5403 WMO ident: 25403 ------------------------------------------------------------------------------- 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 1009 45 -28.3 -32.8 65 4.5 -28.6 150 3 244.2 244.3 244.0 244.9 0.24 1 1000 109 -28.5 -32.9 66 4.4 -28.8 180 5 244.6 244.7 244.3 245.3 0.24 2 968 343 -24.5 -28.6 69 4.1 -24.9 230 6 251.0 251.0 250.4 252.0 0.37 3 925 672 -25.3 -29.2 70 3.9 -25.6 300 7 253.4 253.5 252.5 254.5 0.37 4 892 937 -23.1 -27.0 70 3.9 -23.5 281 9 258.4 258.4 256.8 259.7 0.47 5 850 1290 -23.9 -27.9 70 4.0 -24.4 255 11 261.1 261.2 259.0 262.4 0.45 6 734 2355 -26.1 -30.0 70 3.9 -26.5 232 25 269.9 270.0 265.4 271.2 0.43 7 700 2696 -29.1 -33.4 66 4.3 -29.5 225 29 270.3 270.3 265.5 271.2 0.33 8 667 3040 -31.5 -35.9 65 4.4 -31.9 225 26 271.3 271.4 266.1 272.1 0.27 9 570 4138 -37.9 -42.3 63 4.4 -38.1 225 14 276.3 276.3 269.2 276.8 0.16 10 520 4760 -46.3 -49.8 67 3.5 -46.4 225 8 273.5 273.5 267.2 273.8 0.08 11 500 5020 -47.7 -51.4 66 3.7 -47.8 225 5 274.9 274.9 268.1 275.1 0.07 12 456 5622 -50.9 -54.5 65 3.6 -51.0 181 6 278.2 278.2 270.2 278.4 0.05 13 427 6045 -54.9 -58.7 63 3.8 -54.9 150 7 278.4 278.4 270.2 278.5 0.03 14 400 6460 -55.9 -59.6 63 3.7 -55.9 165 9 282.3 282.3 272.6 282.4 0.03 15 335 7588 -57.9 -61.9 60 4.0 -57.9 177 16 294.3 294.3 278.8 294.4 0.03 16 300 8290 -55.7 -59.7 61 4.0 -55.8 185 21 306.8 306.8 284.2 307.0 0.04 17 280 8726 -54.3 -58.7 58 4.4 -54.4 183 25 315.0 315.0 287.1 315.2 0.05 18 271 8933 -54.1 -58.6 58 4.5 -54.2 182 27 318.2 318.2 288.2 318.4 0.05 19 251 9424 -50.1 -54.8 58 4.7 -50.3 180 31 331.2 331.2 292.2 331.6 0.09 20 250 9450 -50.1 -54.8 58 4.7 -50.3 180 31 331.6 331.6 292.2 331.9 0.09 21 200 10910 -51.3 -58.3 43 7.0 -51.5 175 33 351.5 351.5 297.0 351.8 0.07 22 177 11704 -52.3 -60.3 38 8.0 -52.5 173 40 362.4 362.4 299.2 362.7 0.06 23 150 12780 -50.7 -61.7 26 11.0 -51.1 170 50 382.7 382.7 302.7 383.0 0.06 24 140 13230 -48.9 -60.9 23 12.0 -49.5 173 52 393.5 393.5 304.3 393.9 0.08 25 100 15430 -49.7 -65.4 14 15.7 -50.5 185 60 431.6 431.6 309.0 431.9 0.06 26 74 17405 -50.5 -69.5 9 19.0 -51.5 189 78 468.8 468.9 312.5 469.1 0.04 27 70 17770 -48.5 -68.5 8 20.0 -49.9 190 81 480.6 480.6 313.5 481.0 0.05 28 66 18157 -47.9 -68.9 7 21.0 -49.4 190 82 490.1 490.1 314.2 490.4 0.05 29 52 19731 -46.5 -69.5 6 23.0 -48.7 190 88 527.9 528.0 316.8 528.3 0.06 30 50 19990 -47.5 -70.5 5 23.0 -49.6 190 89 531.5 531.6 317.1 531.9 0.06 31 37 21967 -51.9 -75.9 4 24.0 -53.7 199 87 568.0 568.1 319.0 568.3 0.03 32 30 23340 -48.3 -73.3 4 25.0 -51.2 205 85 613.0 613.0 321.2 613.4 0.06 33 29 23564 -47.1 -73.1 4 26.0 -50.4 622.2 622.3 321.6 622.8 0.07 34 20 26033 -45.5 -71.5 4 26.0 -50.3 696.9 697.0 324.4 698.0 0.12 TRP 427 6045 -54.9 -58.7 63 3.8 -54.9 150 7 278.4 278.4 270.2 278.5 0.03 WND 100 15430 -49.7 -65.4 14 15.7 -50.5 185 60 431.6 431.6 309.0 431.9 0.06 Sounding variables and indices 1000-500 mb thick: 4911.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 67.15 % Est. max temperature: -11.98 C = 10.44 F Sfc-Lift cond lev (LCL): 935.14 mb = 593.02 m = 1945.57 ft T: -25.11 C 700-500 lapse rate: 8.00 C/km Conv cond level (CCL): 627.21 mb = 3469.67 m = 11383.30 ft Mean mixing ratio: 0.34 g/kg Conv temperature: 0.83 C = 33.49 F Cap Strength: 21.14 C Lifted Index: 19.19 C Risk: None Lifted Index @300 mb: 39.20 C Lifted Index @700 mb: 17.17 C Showalter Index: 10.32 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 19.80 C K Index: -8.40 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.48 J/kg Max Up Vert Vel: 9.11 m/s Conv Inhibition (B-): 63224.41 J/kg Cap Strength: 20.96 C Lift Cond Lev (LCL): 896.48 mb = 900.54 m = 2954.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 10 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 1009 45 150 3 -1.5 2.6 | 93 12 -11.6 0.5 1 1000 109 180 5 0.0 5.0 | 106 11 -10.1 2.9 2 925 672 300 7 6.1 -3.5 | 36 7 -4.0 -5.6 3 850 1290 255 11 10.6 2.8 | 215 1 0.5 0.8 4 700 2696 225 29 20.5 20.5 | 209 21 10.4 18.4 5 500 5020 225 5 3.5 3.5 | 102 7 -6.6 1.4 6 427 6045 150 7 -3.5 6.1 | 106 14 -13.6 4.0 7 400 6460 165 9 -2.3 8.7 | 118 14 -12.4 6.6 8 300 8290 185 21 1.8 20.9 | 156 21 -8.3 18.8 9 250 9450 180 31 0.0 31.0 | 161 31 -10.1 28.9 10 200 10910 175 33 -2.9 32.9 | 157 33 -13.0 30.8 11 150 12780 170 50 -8.7 49.2 | 158 51 -18.8 47.1 12 100 15430 185 60 5.2 59.8 | 175 58 -4.9 57.7 13 70 17770 190 81 14.1 79.8 | 183 78 4.0 77.7 14 50 19990 190 89 15.5 87.6 | 184 86 5.4 85.6 15 30 23340 205 85 35.9 77.0 | 199 79 25.8 74.9 Wind Parameters Mean winds (0-6000m): 228.3 at 13.7 knts Storm direction: 258.3 at 10.3 knts Shear (0-3000m) pos: 1.5 neg: 3.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 113.9 deg Storm rel helicity (0-3000m) pos: 8.9 neg: -33.4 tot: -24.5 m^2/s^2 ave: -8.2 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.67 Bulk Shear: 8.89 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 ------------------------------------------------------------------------------- 500 227 6 105 6| 8.8 0.0 8.8| 8.8 -5.4 3.4 6.8 -0.10| 12.5 -1.3 1000 271 7 58 4| 4.4 1.5 5.9| 8.8 -10.1 -1.3 -1.3 -0.25| 9.8 -2.5 1500 262 8 65 2| 2.9 3.0 5.9| 8.9 -10.5 -1.6 -1.1 -0.27| 9.0 -2.5 2000 253 10 175 1| 2.2 4.0 6.2| 8.9 -12.8 -4.0 -2.0 -0.25| 8.6 -2.1 2500 243 13 202 4| 1.8 4.7 6.5| 8.9 -22.8 -13.9 -5.6 -0.26| 8.5 -2.2 3000 237 15 204 7| 1.5 3.7 5.2| 8.9 -33.4 -24.5 -8.2 -0.27| 8.0 -2.2 4000 233 17 202 9| 1.1 1.5 2.6| 8.9 -48.8 -40.0 -10.0 -0.31| 7.3 -2.2 5000 231 15 195 8| 0.9 0.5 1.4| 8.9 -63.7 -54.8 -11.0 -0.39| 6.9 -2.7 6000 228 14 181 7| 0.7 1.0 1.8| 11.4 -68.3 -57.0 -9.5 -0.35| 6.4 -2.3 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20251212.00.gif