UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for X0635... Searching the city database file for: X0635 ... Date:1200Z 18 DEC 25 Station: X0635 WMO ident: 30635 Latitude: 54.42 Longitude: 109.02 ------------------------------------------------------------------------------- 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 58 SFC 949 460 -12.3 -14.3 85 2.0 -12.8 125 3 264.8 265.0 263.5 268.4 1.33 2 925 657 -11.7 -14.2 82 2.5 -12.3 110 15 267.3 267.6 265.4 271.1 1.37 3 900 867 -9.9 -11.9 85 2.0 -10.4 78 17 271.3 271.6 268.7 276.0 1.70 4 850 1306 -11.5 -13.0 89 1.5 -11.9 10 21 274.1 274.4 270.4 278.8 1.65 5 840 1397 -11.7 -13.2 89 1.5 -12.1 12 21 274.8 275.1 270.8 279.5 1.64 6 700 2768 -20.9 -22.9 84 2.0 -21.2 35 15 279.3 279.5 272.3 281.9 0.87 7 636 3468 -26.5 -28.9 80 2.4 -26.8 24 13 280.7 280.8 272.6 282.4 0.55 8 529 4778 -33.7 -36.3 77 2.6 -33.9 2 10 287.3 287.3 275.8 288.3 0.32 9 500 5170 -36.9 -39.6 76 2.7 -37.1 355 9 288.0 288.1 276.0 288.9 0.25 10 400 6670 -49.7 -52.6 71 2.9 -49.8 290 5 290.4 290.4 277.0 290.7 0.07 11 328 7940 -59.3 -62.3 68 3.0 -59.3 225 9 294.2 294.2 278.7 294.2 0.03 12 300 8500 -58.5 -61.5 68 3.0 -58.5 240 19 302.9 302.9 282.6 303.0 0.03 13 250 9650 -58.3 -61.5 67 3.2 -58.3 245 31 319.4 319.4 288.6 319.5 0.04 14 200 11070 -54.7 -58.4 63 3.7 -54.8 265 35 346.1 346.2 295.8 346.5 0.07 15 198 11134 -54.5 -58.3 63 3.8 -54.6 265 35 347.5 347.5 296.1 347.8 0.07 16 155 12692 -57.5 -61.7 59 4.2 -57.6 265 35 367.5 367.6 300.2 367.8 0.06 17 150 12900 -56.9 -61.1 59 4.2 -57.0 265 35 372.0 372.1 301.0 372.4 0.07 18 101 15417 -55.5 -60.0 57 4.5 -55.7 270 44 419.3 419.3 307.7 419.9 0.12 19 100 15480 -55.5 -60.0 57 4.5 -55.7 270 44 420.5 420.5 307.9 421.1 0.12 20 70 17750 -55.5 -60.5 54 5.0 -55.8 270 33 465.7 465.7 312.4 466.6 0.16 21 61 18629 -54.7 -59.7 54 5.0 -55.1 270 37 486.1 486.2 314.0 487.3 0.20 22 58 18951 -56.7 -62.7 47 6.0 -57.1 270 39 488.7 488.7 314.2 489.5 0.14 23 55 19291 -52.3 -58.3 48 6.0 -52.9 270 41 506.2 506.3 315.5 507.9 0.27 24 50 19910 -50.5 -56.5 49 6.0 -51.3 270 44 524.5 524.6 316.7 526.8 0.37 25 41 21194 -52.7 -58.7 48 6.0 -53.5 256 45 549.6 549.7 318.2 551.9 0.34 26 36 22044 -45.7 -52.7 45 7.0 -47.4 247 45 588.6 588.8 320.3 594.3 0.80 27 30 23240 -51.7 -58.7 43 7.0 -52.9 235 46 603.7 603.9 320.9 607.1 0.46 28 26 24172 -53.7 -61.7 37 8.0 -54.9 239 41 623.2 623.4 321.7 626.1 0.36 29 25 24429 -47.9 -56.9 35 9.0 -50.1 239 40 646.9 647.2 322.8 652.5 0.70 30 21 25592 -45.9 -55.9 31 10.0 -49.0 244 35 686.0 686.4 324.2 693.9 0.94 31 20 25920 -44.1 -55.1 28 11.0 -47.9 245 33 701.2 701.7 324.8 710.5 1.08 32 18 26624 -45.9 -57.9 25 12.0 -49.7 717.0 717.3 325.2 724.5 0.85 33 17 27007 -42.9 -55.9 23 13.0 -47.7 738.4 738.9 325.9 748.9 1.16 34 14 28316 -43.1 -59.1 16 16.0 -49.0 779.9 780.3 327.0 789.0 0.95 35 12 29370 -36.5 -54.5 14 18.0 -45.6 838.4 839.4 328.6 858.5 1.95 36 11 29968 -40.1 -59.1 11 19.0 -48.4 846.5 847.1 328.6 859.1 1.20 37 10 30628 -33.1 -54.1 10 21.0 -45.0 896.0 897.3 329.8 923.2 2.45 TRP 328 7940 -59.3 -62.3 68 3.0 -59.3 225 9 294.2 294.2 278.7 294.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5112.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 82.47 % Est. max temperature: -1.17 C = 29.90 F Sfc-Lift cond lev (LCL): 918.79 mb = 708.70 m = 2325.10 ft T: -11.26 C 700-500 lapse rate: 6.66 C/km ThetaE index: 0.00 C Layer 949.0--97609095688668617833845882880.0 mb Conv cond level (CCL): 949.00 mb = 460.07 m = 1509.39 ft Mean mixing ratio: 1.57 g/kg Conv temperature: -12.29 C = 9.89 F Cap Strength: 10.84 C Lifted Index: 11.19 C Risk: None Lifted Index @300 mb: 20.00 C Lifted Index @700 mb: 5.80 C Showalter Index: 8.02 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 23.90 C K Index: 10.40 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.16 J/kg Max Up Vert Vel: 8.85 m/s Conv Inhibition (B-): 59530.62 J/kg Cap Strength: 11.10 C Lift Cond Lev (LCL): 869.65 mb = 1130.54 m = 3709.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 49 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 ---------------------------------------------------------- 0 949 460 125 3 -2.5 1.7 | 211 9 4.8 8.0 1 925 657 110 15 -14.1 5.1 | 149 13 -6.8 11.4 2 850 1306 10 21 -3.6 -20.7 | 346 15 3.6 -14.4 3 700 2768 35 15 -8.6 -12.3 | 12 6 -1.3 -6.0 4 500 5170 355 9 0.8 -9.0 | 288 9 8.1 -2.7 5 400 6670 290 5 4.7 -1.7 | 249 13 12.0 4.6 6 328 7940 225 9 6.4 6.4 | 227 19 13.7 12.7 7 300 8500 240 19 16.5 9.5 | 236 29 23.7 15.8 8 250 9650 245 31 28.1 13.1 | 241 40 35.4 19.4 9 200 11070 265 35 34.9 3.1 | 257 43 42.2 9.4 10 150 12900 265 35 34.9 3.1 | 257 43 42.2 9.4 11 100 15480 270 44 44.0 -0.0 | 263 52 51.3 6.3 12 70 17750 270 33 33.0 -0.0 | 261 41 40.3 6.3 13 50 19910 270 44 44.0 -0.0 | 263 52 51.3 6.3 14 30 23240 235 46 37.7 26.4 | 234 56 45.0 32.7 15 20 25920 245 33 29.9 13.9 | 241 42 37.2 20.2 Wind Parameters Mean winds (0-6000m): 19.2 at 12.8 knts Storm direction: 49.2 at 9.6 knts Shear (0-3000m) pos: 1.4 neg: 3.7 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 130.1 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -117.8 tot: -105.4 m^2/s^2 ave: -35.1 10^-3 m/s^2 rel: -0.71 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -6.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.20 Bulk Shear: 32.55 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 92 13 138 9| 0.0 17.1 17.1| 0.0 -66.5 -66.5 -133.0 -0.94| 26.8-25.2 1000 48 17 45 7| 0.0 11.2 11.2| 1.5-112.5-111.0 -111.0 -0.91| 23.1-21.1 1500 33 18 15 9| 1.2 7.4 8.6| 7.2-112.5-105.2 -70.1 -0.81| 16.6-13.4 2000 30 17 9 9| 1.7 5.6 7.3| 10.9-112.5-101.5 -50.8 -0.73| 13.3 -9.7 2500 30 17 8 9| 1.7 4.5 6.1| 12.4-114.0-101.5 -40.6 -0.69| 11.2 -7.8 3000 30 17 6 8| 1.4 3.7 5.1| 12.4-117.8-105.4 -35.1 -0.71| 9.8 -6.9 4000 27 15 358 7| 1.1 2.6 3.7| 12.4-125.1-112.7 -28.2 -0.72| 7.9 -5.7 5000 24 14 347 7| 0.8 1.9 2.8| 12.4-134.0-121.6 -24.3 -0.73| 6.8 -5.0 6000 19 13 332 7| 0.7 1.4 2.1| 12.4-149.5-137.1 -22.9 -0.74| 6.2 -4.6 Wrote GIF file: /home/apache/climate/data/raob//X0635/skewt/X0635.skewt.20251218.12.gif