UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for X1004... Searching the city database file for: X1004 ... Date:1200Z 25 DEC 25 Station: X1004 WMO ident: 31004 Latitude: 58.62 Longitude: 125.37 ------------------------------------------------------------------------------- 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 279 SFC 943 679 -40.5 -46.5 52 6.0 -40.6 0 0 236.6 236.6 236.3 236.8 0.06 2 942 687 -38.7 -44.7 53 6.0 -38.9 354 0 238.5 238.5 238.2 238.7 0.08 3 938 716 -34.1 -40.1 55 6.0 -34.3 328 2 243.5 243.5 243.0 243.8 0.12 4 925 814 -33.3 -39.3 55 6.0 -33.6 245 7 245.3 245.3 244.7 245.6 0.14 5 898 1022 -31.3 -36.3 61 5.0 -31.6 266 6 249.4 249.4 248.6 249.9 0.19 6 850 1412 -29.7 -34.2 65 4.5 -30.0 305 5 255.0 255.1 253.6 255.7 0.25 7 832 1565 -29.3 -33.8 65 4.5 -29.6 313 5 257.0 257.1 255.3 257.8 0.26 8 775 2070 -30.3 -34.7 65 4.4 -30.6 338 5 261.2 261.3 258.6 262.0 0.26 9 700 2791 -32.5 -38.5 55 6.0 -32.9 15 5 266.5 266.5 262.6 267.1 0.20 10 683 2964 -32.7 -39.7 50 7.0 -33.1 3 5 268.2 268.2 263.7 268.7 0.18 11 584 4056 -37.7 -47.7 34 10.0 -38.1 286 5 274.6 274.6 268.0 274.9 0.09 12 500 5110 -44.9 -56.9 25 12.0 -45.2 210 5 278.3 278.3 270.2 278.4 0.03 13 470 5520 -47.7 -59.7 24 12.0 -47.9 254 4 279.8 279.8 271.1 279.9 0.03 14 455 5733 -48.9 -60.9 23 12.0 -49.1 278 4 280.9 280.9 271.7 281.0 0.02 15 400 6570 -52.7 -64.7 22 12.0 -52.8 10 3 286.5 286.5 274.9 286.6 0.02 16 352 7389 -56.1 -67.1 24 11.0 -56.2 5 12 292.6 292.6 278.0 292.6 0.01 17 316 8072 -57.9 -68.9 23 11.0 -58.0 360 19 299.2 299.3 281.0 299.3 0.01 18 301 8379 -58.1 -69.1 23 11.0 -58.2 360 19 303.2 303.2 282.7 303.2 0.01 19 300 8400 -58.1 -69.1 23 11.0 -58.2 360 19 303.4 303.4 282.8 303.5 0.01 20 264 9206 -56.9 -67.9 24 11.0 -57.1 353 19 316.5 316.5 287.6 316.6 0.02 21 250 9550 -57.1 -68.1 24 11.0 -57.2 350 19 321.2 321.2 289.1 321.2 0.02 22 200 10970 -55.7 -67.7 21 12.0 -55.9 345 13 344.6 344.6 295.4 344.7 0.02 23 150 12800 -55.9 -69.9 16 14.0 -56.2 310 9 373.8 373.8 301.2 373.9 0.02 24 131 13661 -55.1 -70.1 14 15.0 -55.5 292 11 390.0 390.0 303.8 390.1 0.02 25 100 15380 -55.7 -71.7 12 16.0 -56.1 255 15 420.1 420.1 307.7 420.2 0.02 26 77 17043 -57.5 -74.5 10 17.0 -58.0 244 21 449.0 449.0 310.8 449.1 0.02 27 70 17650 -55.1 -73.1 9 18.0 -55.8 240 23 466.5 466.5 312.4 466.7 0.03 28 51 19682 -53.1 -73.1 7 20.0 -54.2 235 29 515.4 515.4 316.0 515.7 0.04 29 50 19810 -51.9 -71.9 7 20.0 -53.2 235 29 521.2 521.2 316.4 521.5 0.05 30 30 23200 -42.1 -66.1 6 24.0 -46.7 225 38 629.9 629.9 321.9 631.2 0.18 31 20 25930 -43.9 -69.9 4 26.0 -49.3 220 42 701.8 701.9 324.6 703.2 0.16 32 17 27029 -40.5 -67.5 4 27.0 -47.8 746.1 746.2 325.9 748.5 0.26 33 16 27440 -43.1 -69.1 4 26.0 -49.6 750.7 750.8 326.0 752.7 0.22 34 15 27877 -41.0 -67.9 4 27.0 -48.6 205 64 771.7 771.8 326.6 774.3 0.27 35 14 28349 -38.7 -66.7 4 28.0 -47.7 794.8 795.0 327.2 798.2 0.35 36 11 29999 -40.3 -67.3 4 27.0 -49.5 845.7 846.0 328.4 850.0 0.41 37 10 30656 -35.7 -63.7 4 28.0 -47.7 886.3 886.7 329.3 894.4 0.73 TRP 316 8072 -57.9 -68.9 23 11.0 -58.0 360 19 299.2 299.3 281.0 299.3 0.01 WND 15 27877 -41.0 -67.9 4 27.0 -48.6 205 64 771.7 771.8 326.6 774.3 0.27 Sounding variables and indices 1000-500 mb thick: 4831.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 48.64 % Est. max temperature: -17.62 C = 0.28 F Sfc-Lift cond lev (LCL): 848.12 mb = 1427.80 m = 4684.34 ft T: -29.66 C 700-500 lapse rate: 5.35 C/km ThetaE index: 0.00 C Layer 943.0- 0.0 mb Conv cond level (CCL): 943.00 mb = 679.25 m = 2228.48 ft Mean mixing ratio: 0.19 g/kg Conv temperature: -35.84 C = -32.51 F Cap Strength: 21.02 C Lifted Index: 23.11 C Risk: None Lifted Index @300 mb: 37.77 C Lifted Index @700 mb: 14.94 C Showalter Index: 18.54 C Risk: None Total Totals Index: 25.90 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 10.70 C K Index: -25.00 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 4.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.63 J/kg Max Up Vert Vel: 10.36 m/s Conv Inhibition (B-): 85342.33 J/kg Cap Strength: 23.05 C Lift Cond Lev (LCL): 821.24 mb = 1657.48 m = 5437.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 4 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 ---------------------------------------------------------- 0 943 679 0 0 -0.0 -0.0 | 150 4 -1.8 3.1 1 925 814 245 7 6.3 3.0 | 217 8 4.6 6.1 2 850 1412 305 5 4.1 -2.9 | 264 2 2.3 0.3 3 700 2791 15 5 -1.3 -4.8 | 61 4 -3.1 -1.7 4 500 5110 210 5 2.5 4.3 | 186 7 0.7 7.5 5 400 6570 10 3 -0.5 -3.0 | 94 2 -2.3 0.2 6 316 8072 360 19 -0.0 -19.0 | 6 16 -1.8 -15.9 7 300 8400 360 19 -0.0 -19.0 | 6 16 -1.8 -15.9 8 250 9550 350 19 3.3 -18.7 | 354 16 1.5 -15.6 9 200 10970 345 13 3.4 -12.6 | 350 10 1.6 -9.4 10 150 12800 310 9 6.9 -5.8 | 297 6 5.1 -2.7 11 100 15380 255 15 14.5 3.9 | 241 15 12.7 7.0 12 70 17650 240 23 19.9 11.5 | 231 23 18.2 14.6 13 50 19810 235 29 23.8 16.6 | 228 30 22.0 19.8 14 30 23200 225 38 26.9 26.9 | 220 39 25.1 30.0 15 20 25930 220 42 27.0 32.2 | 216 43 25.2 35.3 Wind Parameters Mean winds (0-6000m): 300.5 at 4.8 knts Storm direction: 330.5 at 3.6 knts Shear (0-3000m) pos: 1.3 neg: 1.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 125.7 deg Storm rel helicity (0-3000m) pos: 11.1 neg: -3.8 tot: 7.2 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 28.25 Bulk Shear: 1.90 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 ------------------------------------------------------------------------------- 500 259 6 221 6| 0.0 5.9 5.9| 7.4 -1.4 5.9 11.9 0.57| 12.3 7.0 1000 277 5 236 4| 1.8 3.0 4.8| 8.9 -1.4 7.5 7.5 0.58| 8.0 4.6 1500 295 5 253 3| 1.9 2.0 3.9| 9.7 -1.4 8.3 5.5 0.62| 6.1 3.8 2000 310 5 275 2| 1.9 1.5 3.4| 10.8 -1.4 9.4 4.7 0.64| 5.1 3.3 2500 321 5 301 2| 1.5 1.6 3.1| 11.1 -2.6 8.4 3.4 0.50| 4.7 2.3 3000 322 5 305 2| 1.3 1.8 3.0| 11.1 -3.8 7.2 2.4 0.32| 4.4 1.4 4000 311 5 276 2| 1.0 1.6 2.6| 11.1 -8.8 2.3 0.6 0.12| 4.1 0.5 5000 297 5 253 3| 1.0 1.3 2.2| 16.1 -12.6 3.5 0.7 0.13| 4.1 0.5 6000 300 5 254 2| 1.3 1.0 2.4| 16.8 -13.3 3.5 0.6 0.08| 4.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//X1004/skewt/X1004.skewt.20251225.12.gif