UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122400.upa.cvt Date: 0000Z 24 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:0000Z 24 DEC 25 Station: X0935 WMO ident: 30935 Latitude: 50.37 Longitude: 108.75 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 305 SFC 939 766 -25.5 -28.8 74 3.3 -25.8 0 0 252.1 252.2 251.4 253.2 0.38 2 938 774 -24.5 -27.9 73 3.4 -24.8 358 0 253.2 253.3 252.4 254.4 0.41 3 925 877 -22.5 -25.7 75 3.2 -22.9 330 3 256.3 256.4 255.2 257.7 0.51 4 907 1022 -19.9 -23.2 75 3.3 -20.4 323 7 260.4 260.5 258.9 262.2 0.65 5 850 1501 -23.1 -26.9 71 3.8 -23.5 300 19 261.9 262.0 259.8 263.4 0.50 6 800 1942 -26.3 -29.9 72 3.6 -26.6 309 22 263.1 263.2 260.5 264.3 0.40 7 700 2900 -29.9 -35.9 56 6.0 -30.4 330 29 269.4 269.4 264.7 270.1 0.25 8 625 3702 -32.5 -40.5 45 8.0 -33.0 333 37 275.3 275.3 268.5 275.8 0.18 9 588 4129 -35.7 -44.7 39 9.0 -36.1 335 42 276.4 276.4 269.2 276.8 0.12 10 500 5240 -41.9 -50.9 37 9.0 -42.2 340 54 282.0 282.0 272.4 282.2 0.07 11 499 5254 -41.9 -50.9 37 9.0 -42.2 340 54 282.1 282.1 272.5 282.4 0.07 12 417 6449 -51.7 -59.7 38 8.0 -51.8 336 56 284.4 284.4 273.7 284.5 0.03 13 400 6720 -52.7 -61.7 33 9.0 -52.8 335 56 286.5 286.5 274.9 286.6 0.02 14 346 7645 -56.3 -64.3 36 8.0 -56.4 335 64 293.8 293.8 278.5 293.8 0.02 15 344 7682 -56.5 -64.5 36 8.0 -56.6 335 64 294.0 294.0 278.6 294.0 0.02 16 300 8550 -55.3 -64.3 32 9.0 -55.4 335 64 307.4 307.4 284.4 307.5 0.02 17 262 9419 -53.5 -62.5 33 9.0 -53.7 331 58 322.2 322.2 289.5 322.3 0.03 18 250 9720 -54.5 -64.5 28 10.0 -54.6 330 56 325.0 325.0 290.3 325.1 0.03 19 200 11140 -55.1 -66.1 24 11.0 -55.3 315 56 345.5 345.5 295.7 345.6 0.03 20 153 12854 -56.1 -69.1 18 13.0 -56.3 310 56 371.3 371.3 300.8 371.4 0.02 21 150 12980 -55.7 -68.7 18 13.0 -56.0 310 56 374.1 374.1 301.3 374.2 0.02 22 116 14617 -55.1 -69.7 15 14.6 -55.5 300 66 403.8 403.8 305.7 404.0 0.03 23 109 15015 -54.9 -69.9 14 15.0 -55.4 300 63 411.4 411.4 306.7 411.5 0.03 24 106 15194 -51.9 -68.9 11 17.0 -52.5 300 62 420.4 420.4 307.8 420.6 0.03 25 100 15570 -53.5 -69.5 13 16.0 -54.1 300 60 424.4 424.4 308.2 424.5 0.03 26 70 17850 -55.3 -74.3 8 19.0 -56.0 280 56 466.1 466.1 312.3 466.2 0.02 27 61 18719 -59.9 -77.9 8 18.0 -60.3 276 59 474.6 474.6 313.0 474.6 0.02 28 50 19970 -57.1 -77.1 6 20.0 -57.9 270 64 508.9 508.9 315.6 509.0 0.02 29 42 21067 -60.9 -79.9 6 19.0 -61.5 261 56 525.5 525.5 316.6 525.6 0.02 30 39 21533 -56.7 -76.7 6 20.0 -57.7 258 52 547.4 547.4 317.9 547.6 0.03 31 33 22601 -53.9 -74.9 6 21.0 -55.5 250 44 581.6 581.6 319.8 581.9 0.04 32 30 23220 -49.9 -71.9 6 22.0 -52.4 245 40 608.6 608.6 321.0 609.2 0.08 33 26 24155 -48.7 -72.7 5 24.0 -51.8 250 44 637.4 637.5 322.2 638.1 0.08 34 23 24949 -53.7 -77.7 4 24.0 -55.9 255 48 645.5 645.5 322.5 645.8 0.04 35 20 25860 -46.1 -72.1 4 26.0 -50.7 260 52 695.1 695.1 324.3 696.0 0.11 36 17 26934 -48.9 -73.9 4 25.0 -53.0 719.2 719.2 325.1 720.1 0.10 TRP 346 7645 -56.3 -64.3 36 8.0 -56.4 335 64 293.8 293.8 278.5 293.8 0.02 WND 116 14617 -55.1 -69.7 15 14.6 -55.5 300 66 403.8 403.8 305.7 404.0 0.03 Sounding variables and indices 1000-500 mb thick: 4935.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 54.91 % Est. max temperature: -14.09 C = 6.63 F Sfc-Lift cond lev (LCL): 888.54 mb = 1173.88 m = 3851.27 ft T: -20.91 C 700-500 lapse rate: 5.13 C/km ThetaE index: 0.00 C Layer 939.0--3910119490600262696960.0 mb Conv cond level (CCL): 939.00 mb = 766.15 m = 2513.58 ft Mean mixing ratio: 0.55 g/kg Conv temperature: -24.71 C = -12.48 F Cap Strength: 13.03 C Lifted Index: 16.91 C Risk: None Lifted Index @300 mb: 32.57 C Lifted Index @700 mb: 7.70 C Showalter Index: 15.33 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 15.00 C K Index: -14.10 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.21 J/kg Max Up Vert Vel: 7.90 m/s Conv Inhibition (B-): 64129.69 J/kg Cap Strength: 16.48 C Lift Cond Lev (LCL): 839.07 mb = 1595.13 m = 5233.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 at 28 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 ---------------------------------------------------------- 0 939 766 0 0 -0.0 -0.0 | 183 28 1.7 28.1 1 925 877 330 3 1.5 -2.6 | 187 26 3.2 25.5 2 850 1501 300 19 16.5 -9.5 | 224 26 18.1 18.6 3 700 2900 330 29 14.5 -25.1 | 260 16 16.2 2.9 4 500 5240 340 54 18.5 -50.7 | 318 30 20.1 -22.7 5 400 6720 335 56 23.7 -50.8 | 312 34 25.3 -22.7 6 346 7645 335 64 27.0 -58.0 | 316 41 28.7 -30.0 7 300 8550 335 64 27.0 -58.0 | 316 41 28.7 -30.0 8 250 9720 330 56 28.0 -48.5 | 305 36 29.7 -20.4 9 200 11140 315 56 39.6 -39.6 | 286 43 41.3 -11.5 10 150 12980 310 56 42.9 -36.0 | 280 45 44.6 -7.9 11 116 14617 300 66 57.2 -33.0 | 275 59 58.8 -4.9 12 100 15570 300 60 52.0 -30.0 | 272 54 53.6 -1.9 13 70 17850 280 56 55.1 -9.7 | 252 60 56.8 18.3 14 50 19970 270 64 64.0 -0.0 | 247 71 65.7 28.1 15 30 23220 245 40 36.3 16.9 | 220 59 37.9 45.0 16 20 25860 260 52 51.2 9.0 | 235 65 52.9 37.1 Wind Parameters Mean winds (0-6000m): 333.4 at 37.5 knts Storm direction: 3.4 at 28.1 knts Shear (0-3000m) pos: 3.8 neg: 3.6 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 221.6 neg: 0.0 tot: 221.6 m^2/s^2 ave: 73.9 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 6.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.24 Bulk Shear: 129.75 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 ------------------------------------------------------------------------------- 500 316 7 195 24| 0.0 13.4 13.4| 70.0 0.0 70.0 139.9 0.83| 13.8 11.5 1000 304 12 209 24| 0.0 10.7 10.7|122.0 0.0 122.0 122.0 0.85| 11.6 9.9 1500 308 16 217 23| 1.9 7.2 9.1|149.3 0.0 149.3 99.5 0.85| 9.6 8.2 2000 314 18 224 21| 3.0 5.4 8.3|173.7 0.0 173.7 86.9 0.84| 8.8 7.3 2500 319 21 231 20| 3.5 4.3 7.8|197.2 0.0 197.2 78.9 0.85| 8.2 7.0 3000 323 23 238 18| 3.8 3.6 7.4|221.6 0.0 221.6 73.9 0.86| 7.8 6.7 4000 328 28 257 17| 4.3 2.7 7.0|274.6 0.0 274.6 68.6 0.84| 7.3 6.1 5000 332 34 275 17| 4.0 2.3 6.3|302.1 -10.1 292.0 58.4 0.79| 6.5 5.2 6000 333 37 286 19| 3.3 2.2 5.5|302.3 -29.5 272.7 45.5 0.71| 5.8 4.1 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251224.00.gif