UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 8 DEC 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 160 SFC 975 346 -23.5 -26.1 79 2.6 -23.8 360 1 251.5 251.5 251.0 252.7 0.47 2 950 538 -17.9 -20.8 78 2.9 -18.4 335 3 259.0 259.1 258.0 261.1 0.77 3 925 738 -17.9 -20.6 79 2.7 -18.3 310 5 261.0 261.1 259.6 263.2 0.80 4 916 811 -17.9 -20.7 79 2.8 -18.3 310 6 261.7 261.9 260.2 264.0 0.80 5 906 893 -16.5 -19.4 78 2.9 -17.0 310 7 264.0 264.1 262.1 266.5 0.91 6 851 1362 -17.9 -21.7 72 3.8 -18.6 310 15 267.3 267.4 264.3 269.5 0.79 7 850 1371 -17.9 -21.8 71 3.9 -18.6 310 15 267.4 267.5 264.4 269.6 0.79 8 744 2353 -24.7 -34.7 39 10.0 -25.6 307 16 270.4 270.4 265.5 271.2 0.27 9 709 2703 -24.5 -35.5 35 11.0 -25.6 305 17 274.3 274.4 268.1 275.2 0.26 10 700 2796 -25.3 -37.3 32 12.0 -26.3 305 17 274.5 274.5 268.1 275.2 0.22 11 680 3006 -27.1 -39.1 31 12.0 -28.0 301 18 274.7 274.8 268.2 275.3 0.19 12 500 5140 -45.3 -51.3 51 6.0 -45.4 255 25 277.8 277.8 269.9 278.0 0.07 13 482 5384 -47.3 -53.3 50 6.0 -47.4 259 22 278.3 278.3 270.2 278.5 0.06 14 400 6600 -53.7 -59.7 48 6.0 -53.8 280 9 285.2 285.2 274.2 285.3 0.03 15 375 7014 -55.3 -61.3 47 6.0 -55.4 265 13 288.4 288.4 275.9 288.5 0.03 16 309 8251 -54.9 -60.9 47 6.0 -55.0 265 18 305.4 305.4 283.6 305.5 0.03 17 301 8419 -55.3 -61.3 47 6.0 -55.4 265 19 307.1 307.1 284.2 307.2 0.03 18 300 8440 -55.1 -61.1 47 6.0 -55.2 265 19 307.7 307.7 284.5 307.8 0.03 19 250 9620 -49.7 -56.7 44 7.0 -49.9 270 29 332.2 332.2 292.4 332.5 0.07 20 243 9805 -48.1 -55.1 44 7.0 -48.4 270 30 337.3 337.3 293.7 337.6 0.09 21 200 11080 -48.1 -58.1 31 10.0 -48.5 270 35 356.6 356.6 298.1 356.9 0.07 22 151 12936 -47.3 -61.3 19 14.0 -48.0 260 40 387.8 387.8 303.5 388.1 0.07 23 150 12980 -47.3 -61.3 19 14.0 -48.0 260 40 388.6 388.6 303.6 388.9 0.07 24 100 15640 -50.5 -68.5 10 18.0 -51.3 245 35 430.2 430.2 308.9 430.4 0.04 25 75 17511 -53.7 -73.7 7 20.0 -54.5 249 42 460.3 460.3 311.8 460.5 0.02 26 71 17867 -50.5 -70.5 8 20.0 -51.6 250 44 474.4 474.4 313.0 474.7 0.04 27 70 17960 -50.7 -70.7 8 20.0 -51.8 250 44 475.9 475.9 313.1 476.2 0.04 28 63 18641 -52.5 -73.5 6 21.0 -53.5 244 41 486.5 486.5 314.0 486.7 0.03 29 54 19640 -49.7 -71.7 6 22.0 -51.2 235 37 514.9 514.9 316.0 515.2 0.04 30 50 20140 -51.7 -73.7 5 22.0 -53.1 230 35 521.6 521.7 316.4 521.9 0.04 31 48 20405 -53.5 -74.5 6 21.0 -54.6 230 36 523.5 523.5 316.5 523.7 0.03 32 40 21585 -52.3 -74.3 5 22.0 -53.9 230 39 554.5 554.5 318.3 554.8 0.04 33 38 21921 -47.9 -70.9 5 23.0 -50.4 230 40 573.9 573.9 319.4 574.4 0.07 34 30 23500 -43.3 -68.3 5 25.0 -47.6 230 44 626.6 626.6 321.8 627.6 0.13 35 28 23960 -46.5 -70.5 5 24.0 -50.0 227 41 630.2 630.2 321.9 631.0 0.10 36 26 24457 -40.7 -66.7 4 26.0 -46.3 223 39 660.2 660.2 323.1 661.7 0.19 37 22 25576 -46.9 -72.9 4 26.0 -51.0 215 33 674.0 674.0 323.6 674.8 0.09 38 20 26210 -43.9 -69.9 4 26.0 -49.3 210 29 701.8 701.9 324.6 703.2 0.16 39 18 26913 -46.9 -72.9 4 26.0 -51.5 713.8 713.9 324.9 714.8 0.11 TRP 375 7014 -55.3 -61.3 47 6.0 -55.4 265 13 288.4 288.4 275.9 288.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 4980.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 50.40 % Est. max temperature: -7.01 C = 19.39 F Sfc-Lift cond lev (LCL): 933.70 mb = 667.82 m = 2190.99 ft T: -17.90 C 700-500 lapse rate: 8.53 C/km ThetaE index: 0.00 C Layer 700.0- 680.0 mb Conv cond level (CCL): 975.00 mb = 345.60 m = 1133.86 ft Mean mixing ratio: 0.78 g/kg Conv temperature: -20.29 C = -4.52 F Cap Strength: 11.08 C Lifted Index: 12.22 C Risk: None Lifted Index @300 mb: 31.66 C Lifted Index @700 mb: 11.01 C Showalter Index: 6.89 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 23.50 C K Index: -6.40 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 1.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.00 J/kg Max Up Vert Vel: 9.80 m/s Conv Inhibition (B-): 63197.12 J/kg Cap Strength: 12.19 C Lift Cond Lev (LCL): 882.73 mb = 1088.05 m = 3569.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 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 ---------------------------------------------------------- 0 975 346 360 1 -0.0 -1.0 | 128 12 -9.6 7.5 1 925 738 310 5 3.8 -3.2 | 132 8 -5.8 5.3 2 850 1371 310 15 11.5 -9.6 | 301 2 1.9 -1.2 3 700 2796 305 17 13.9 -9.8 | 286 5 4.3 -1.3 4 500 5140 255 25 24.1 6.5 | 224 21 14.5 15.0 5 400 6600 280 9 8.9 -1.6 | 174 7 -0.7 6.9 6 375 7014 265 13 13.0 1.1 | 199 10 3.3 9.6 7 300 8440 265 19 18.9 1.7 | 223 14 9.3 10.1 8 250 9620 270 29 29.0 -0.0 | 246 21 19.4 8.5 9 200 11080 270 35 35.0 -0.0 | 252 27 25.4 8.5 10 150 12980 260 40 39.4 6.9 | 243 34 29.8 15.4 11 100 15640 245 35 31.7 14.8 | 224 32 22.1 23.3 12 70 17960 250 44 41.3 15.0 | 233 40 31.7 23.5 13 50 20140 230 35 26.8 22.5 | 209 35 17.2 31.0 14 30 23500 230 44 33.7 28.3 | 213 44 24.1 36.8 15 20 26210 210 29 14.5 25.1 | 188 34 4.9 33.6 Wind Parameters Mean winds (0-6000m): 281.5 at 17.1 knts Storm direction: 311.5 at 12.8 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 134.5 deg Storm rel helicity (0-3000m) pos: 3.5 neg: -6.6 tot: -3.1 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.79 Bulk Shear: 26.79 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 ------------------------------------------------------------------------------- 500 315 4 130 9| 0.0 6.3 6.3| 2.8 -2.0 0.8 1.6 0.09| 6.7 0.6 1000 311 7 132 6| 0.0 7.2 7.2| 3.5 -2.0 1.5 1.5 0.25| 7.7 1.9 1500 310 10 136 3| 0.0 5.2 5.2| 3.5 -2.1 1.3 0.9 0.22| 5.5 1.2 2000 309 11 149 2| 0.0 4.1 4.1| 3.5 -2.4 1.1 0.5 0.19| 4.4 0.8 2500 308 12 196 1| 0.0 3.4 3.4| 3.5 -3.0 0.5 0.2 0.15| 3.7 0.6 3000 306 13 243 1| 0.0 3.2 3.2| 3.5 -6.6 -3.1 -1.0 0.02| 3.8 0.1 4000 297 15 249 4| 0.0 2.9 2.9| 3.5 -20.3 -16.8 -4.2 -0.13| 3.9 -0.5 5000 286 17 241 8| 0.0 2.4 2.4| 3.7 -41.6 -37.9 -7.6 -0.21| 4.1 -0.9 6000 281 17 235 9| 1.0 2.0 3.0| 3.7 -55.4 -51.7 -8.6 -0.26| 4.5 -1.2 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251208.12.gif