UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:0000Z 21 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 255 SFC 930 768 -34.5 -38.3 68 3.8 -34.7 0 0 243.7 243.7 243.2 244.1 0.15 2 925 806 -34.1 -37.7 70 3.6 -34.3 5 1 244.4 244.5 244.0 244.9 0.16 3 877 1186 -25.3 -28.4 75 3.1 -25.6 90 7 257.3 257.4 255.9 258.5 0.42 4 854 1380 -22.7 -25.1 81 2.4 -23.0 133 10 262.0 262.1 260.0 263.7 0.58 5 850 1415 -22.1 -24.6 80 2.5 -22.4 140 11 263.0 263.1 260.8 264.7 0.61 6 831 1583 -16.9 -19.6 80 2.7 -17.4 157 12 270.2 270.3 266.7 273.0 0.97 7 827 1619 -17.1 -19.9 79 2.8 -17.6 161 12 270.3 270.5 266.7 273.1 0.95 8 783 2030 -15.3 -21.3 60 6.0 -16.4 203 14 276.5 276.7 270.6 279.2 0.89 9 743 2423 -18.7 -28.7 41 10.0 -20.1 244 17 277.0 277.1 270.2 278.5 0.48 10 710 2759 -20.9 -29.9 44 9.0 -22.1 279 18 278.2 278.3 270.9 279.6 0.45 11 700 2864 -20.7 -29.7 44 9.0 -21.9 290 19 279.6 279.6 271.7 281.0 0.46 12 639 3533 -23.5 -33.5 39 10.0 -24.6 290 24 283.8 283.8 273.9 284.9 0.35 13 627 3672 -21.5 -31.5 40 10.0 -22.9 290 25 287.6 287.7 276.2 289.0 0.44 14 559 4510 -24.9 -33.9 43 9.0 -26.0 290 30 293.2 293.2 278.9 294.5 0.39 15 500 5310 -30.7 -35.4 63 4.7 -31.2 290 36 295.6 295.7 279.9 296.9 0.38 16 489 5468 -31.7 -36.4 63 4.7 -32.1 290 37 296.3 296.3 280.2 297.4 0.35 17 400 6860 -42.5 -47.4 59 4.9 -42.7 290 46 299.8 299.8 281.4 300.2 0.13 18 302 8698 -56.7 -61.4 55 4.7 -56.8 300 44 304.8 304.8 283.4 305.0 0.03 19 300 8740 -56.9 -61.6 55 4.7 -57.0 300 44 305.1 305.1 283.5 305.3 0.03 20 250 9880 -63.5 -68.3 52 4.8 -63.6 295 56 311.7 311.7 285.9 311.7 0.02 21 234 10284 -65.4 -70.1 52 4.7 -65.4 300 62 314.7 314.7 287.0 314.8 0.01 22 222 10604 -66.9 -71.6 51 4.7 -67.0 295 62 317.2 317.2 287.8 317.2 0.01 23 220 10658 -66.9 -71.6 51 4.7 -67.0 295 61 318.0 318.0 288.1 318.1 0.01 24 201 11209 -63.1 -68.0 51 4.9 -63.1 300 54 332.4 332.4 292.4 332.4 0.02 25 200 11240 -61.1 -65.8 54 4.7 -61.2 300 54 336.0 336.0 293.3 336.1 0.03 26 150 13040 -58.5 -64.5 46 6.0 -58.6 300 40 369.3 369.3 300.5 369.5 0.04 27 100 15600 -56.9 -65.9 31 9.0 -57.2 290 40 417.8 417.8 307.5 418.1 0.05 28 73 17610 -53.5 -65.5 22 12.0 -54.2 268 27 464.3 464.3 312.2 464.8 0.08 29 70 17880 -53.9 -66.9 19 13.0 -54.6 265 25 469.1 469.1 312.6 469.5 0.07 30 61 18763 -56.5 -70.5 16 14.0 -57.1 263 27 482.1 482.1 313.7 482.4 0.05 31 52 19786 -54.3 -69.3 14 15.0 -55.2 261 30 509.8 509.8 315.7 510.2 0.06 32 50 20040 -50.7 -67.7 12 17.0 -52.1 260 31 524.0 524.0 316.6 524.5 0.08 33 50 20040 -50.1 -67.1 12 17.0 -51.6 260 31 525.4 525.4 316.7 526.0 0.09 34 41 21324 -54.1 -72.1 9 18.0 -55.3 252 33 546.1 546.1 317.9 546.5 0.05 35 39 21647 -50.9 -69.9 9 19.0 -52.7 250 33 562.1 562.1 318.8 562.6 0.08 36 30 23350 -51.9 -72.9 6 21.0 -53.9 240 35 603.2 603.2 320.7 603.6 0.07 37 28 23798 -51.9 -73.9 5 22.0 -54.1 237 33 615.2 615.2 321.3 615.6 0.06 38 27 24036 -48.3 -71.3 5 23.0 -51.4 236 32 631.7 631.8 322.0 632.5 0.09 39 22 25380 -50.9 -74.9 4 24.0 -53.8 229 26 662.1 662.1 323.2 662.6 0.07 40 20 26010 -44.9 -70.9 4 26.0 -49.9 225 23 698.7 698.8 324.4 699.9 0.13 41 19 26354 -43.1 -69.1 4 26.0 -48.9 714.7 714.7 325.0 716.3 0.18 42 16 27502 -47.3 -73.3 4 26.0 -52.1 737.0 737.0 325.6 738.0 0.12 43 14 28386 -46.7 -72.7 4 26.0 -52.2 767.7 767.7 326.4 769.1 0.15 44 10 30653 -39.5 -67.5 4 28.0 -49.6 872.1 872.3 329.0 876.8 0.43 TRP 222 10604 -66.9 -71.6 51 4.7 -67.0 295 62 317.2 317.2 287.8 317.2 0.01 WND 234 10284 -65.4 -70.1 52 4.7 -65.4 300 62 314.7 314.7 287.0 314.8 0.01 Sounding variables and indices 1000-500 mb thick: 5055.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 53.42 % Est. max temperature: -2.26 C = 27.93 F Sfc-Lift cond lev (LCL): 871.18 mb = 1235.00 m = 4051.79 ft T: -24.65 C 700-500 lapse rate: 4.09 C/km ThetaE index: 0.68 C Layer 743.0- 710.0 mb Conv cond level (CCL): 930.00 mb = 767.89 m = 2519.28 ft Mean mixing ratio: 0.45 g/kg Conv temperature: -26.93 C = -16.48 F Cap Strength: 30.16 C Lifted Index: 31.16 C Risk: None Lifted Index @300 mb: 33.64 C Lifted Index @700 mb: 20.18 C Showalter Index: 25.41 C Risk: None Total Totals Index: 14.70 C Risk: None Vertical Totals Index: 8.60 C Cross Totals Index: 6.10 C K Index: -25.00 Risk: None Sweat Index: 58.00 Risk: None Energy Index: 6.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 101.90 J/kg Max Up Vert Vel: 14.28 m/s Conv Inhibition (B-): 71327.14 J/kg Cap Strength: 31.04 C Lift Cond Lev (LCL): 856.85 mb = 1356.17 m = 4449.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 19 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 ---------------------------------------------------------- 0 930 768 0 0 -0.0 -0.0 | 138 19 -12.9 14.2 1 925 806 5 1 -0.1 -1.0 | 135 18 -13.0 13.2 2 850 1415 140 11 -7.1 8.4 | 139 30 -19.9 22.6 3 700 2864 290 19 17.9 -6.5 | 213 9 5.0 7.7 4 500 5310 290 36 33.8 -12.3 | 265 21 21.0 1.9 5 400 6860 290 46 43.2 -15.7 | 273 30 30.4 -1.6 6 300 8740 300 44 38.1 -22.0 | 287 26 25.2 -7.8 7 250 9880 295 56 50.8 -23.7 | 284 39 37.9 -9.5 8 234 10284 300 62 53.7 -31.0 | 292 44 40.8 -16.8 9 222 10604 295 62 56.2 -26.2 | 286 45 43.3 -12.0 10 200 11240 300 54 46.8 -27.0 | 291 36 33.9 -12.8 11 150 13040 300 40 34.6 -20.0 | 285 23 21.8 -5.8 12 100 15600 290 40 37.6 -13.7 | 269 25 24.7 0.5 13 70 17880 265 25 24.9 2.2 | 216 20 12.0 16.3 14 50 20040 260 31 30.5 5.4 | 222 26 17.7 19.5 15 30 23350 240 35 30.3 17.5 | 209 36 17.4 31.7 16 20 26010 225 23 16.3 16.3 | 186 31 3.4 30.4 Wind Parameters Mean winds (0-6000m): 287.7 at 25.5 knts Storm direction: 317.7 at 19.1 knts Shear (0-3000m) pos: 3.7 neg: 0.6 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 105.4 deg Storm rel helicity (0-3000m) pos: 267.8 neg: -23.2 tot: 244.6 m^2/s^2 ave: 81.5 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 6.5 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 0.86 Bulk Shear: 118.64 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 ------------------------------------------------------------------------------- 500 100 4 131 23| 8.8 0.0 8.8| 13.5 -23.2 -9.7 -19.3 -0.21| 12.9 -2.7 1000 149 8 141 27| 6.7 0.0 6.7|114.7 -23.2 91.5 91.5 0.39| 13.6 5.3 1500 178 10 151 27| 5.4 0.0 5.4|202.1 -23.2 178.9 119.3 0.56| 13.6 7.6 2000 222 12 168 23| 4.8 0.0 4.8|249.3 -23.2 226.1 113.0 0.57| 14.2 8.1 2500 264 13 181 15| 4.5 0.0 4.5|259.6 -23.2 236.4 94.5 0.57| 12.6 7.3 3000 276 15 189 13| 3.7 0.6 4.3|267.8 -23.2 244.6 81.5 0.59| 11.1 6.5 4000 284 18 207 11| 2.8 1.3 4.1|284.2 -23.2 260.9 65.2 0.59| 9.2 5.4 5000 287 22 226 11| 2.2 1.8 4.0|300.0 -23.2 276.8 55.4 0.58| 8.1 4.7 6000 288 26 241 13| 1.9 2.0 3.9|315.2 -23.2 292.0 48.7 0.56| 7.3 4.1 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251221.00.gif