UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 11 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1002 27 -4.7 -7.5 81 2.8 -5.5 150 11 268.3 268.7 267.5 274.2 2.17 1 1000 43 -6.5 -9.0 82 2.5 -7.2 160 11 266.6 267.0 265.9 271.9 1.93 2 925 638 -14.9 -17.8 78 2.9 -15.4 320 15 264.1 264.2 262.4 266.9 1.02 3 850 1274 -17.7 -20.5 79 2.8 -18.2 350 29 267.6 267.7 264.7 270.1 0.88 4 700 2708 -23.9 -26.6 78 2.7 -24.3 45 62 276.0 276.1 269.8 277.9 0.62 5 653 3212 -26.1 -28.8 78 2.7 -26.4 64 78 279.1 279.2 271.6 280.7 0.54 6 512 4936 -35.9 -38.7 75 2.8 -36.1 129 134 287.3 287.4 275.7 288.2 0.26 7 500 5100 -36.3 -39.1 75 2.8 -36.5 135 139 288.8 288.8 276.5 289.6 0.26 8 400 6630 -42.3 -45.1 74 2.8 -42.5 190 198 300.0 300.0 281.6 300.6 0.17 9 398 6662 -42.4 -45.3 74 2.8 -42.6 190 200 300.3 300.3 281.7 300.8 0.17 10 340 7646 -47.1 -50.2 70 3.1 -47.2 235 123 307.8 307.8 284.6 308.2 0.11 11 300 8410 -56.5 -60.0 65 3.5 -56.6 270 62 305.7 305.7 283.7 305.9 0.04 12 250 9530 -62.1 -66.1 59 4.0 -62.1 315 38 313.7 313.7 286.7 313.8 0.02 13 201 10860 -69.5 -73.9 53 4.4 -69.5 9 10 322.2 322.2 289.5 322.3 0.01 14 200 10890 -67.5 -71.9 53 4.4 -67.5 10 9 325.9 325.9 290.5 325.9 0.01 15 150 12640 -80.1 -84.8 45 4.7 -80.1 0 0 332.1 332.1 292.3 332.1 0.00 TRP WND 398 6662 -42.4 -45.3 74 2.8 -42.6 190 200 300.3 300.3 281.7 300.8 0.17 Sounding variables and indices 1000-500 mb thick: 5057.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 77.96 % Est. max temperature: -5.49 C = 22.11 F Sfc-Lift cond lev (LCL): 958.53 mb = 366.25 m = 1201.58 ft T: -11.06 C 700-500 lapse rate: 5.18 C/km ThetaE index: 7.28 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 931.30 mb = 586.21 m = 1923.23 ft Mean mixing ratio: 1.37 g/kg Conv temperature: -8.69 C = 16.36 F Cap Strength: 15.35 C Lifted Index: 16.41 C Risk: None Lifted Index @300 mb: 26.04 C Lifted Index @700 mb: 7.43 C Showalter Index: 15.48 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 15.80 C K Index: -4.60 Risk: None Sweat Index: 197.00 Risk: None Energy Index: 4.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.35 J/kg Max Up Vert Vel: 3.27 m/s Conv Inhibition (B-): 4.75 J/kg Cap Strength: 15.68 C Lift Cond Lev (LCL): 917.83 mb = 696.56 m = 2285.28 ft Lev Free Conv (LFC): 912.83 mb = 737.65 m = 2420.08 ft Equ Level (EL): 882.83 mb = 989.00 m = 3244.70 ft B at Equ Level: 4.40 J/kg Max Parcel Lev (MPL): 862.83 mb = 1161.35 m = 3810.16 ft Wind level data Storm motion: 147 at 60 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 1002 27 150 11 -5.5 9.5 | 326 49 27.4 -40.5 1 1000 43 160 11 -3.8 10.3 | 324 49 29.1 -39.7 2 925 638 320 15 9.6 -11.5 | 325 75 42.5 -61.5 3 850 1274 350 29 5.0 -28.6 | 334 87 37.9 -78.6 4 700 2708 45 62 -43.8 -43.8 | 7 95 -10.9 -93.9 5 500 5100 135 139 -98.3 98.3 | 126 81 -65.4 48.3 6 400 6630 190 198 34.4 195.0 | 205 160 67.3 145.0 7 398 6662 190 200 34.7 197.0 | 205 162 67.6 146.9 8 300 8410 270 62 62.0 -0.0 | 298 107 94.9 -50.0 9 250 9530 315 38 26.9 -26.9 | 322 97 59.8 -76.9 10 200 10890 10 9 -1.6 -8.9 | 332 67 31.3 -58.9 11 150 12640 0 0 -0.0 -0.0 | 327 60 32.9 -50.0 Wind Parameters Mean winds (0-6000m): 116.7 at 79.8 knts Storm direction: 146.7 at 59.9 knts Shear (0-3000m) pos: 12.6 neg: 0.0 tot: 12.6 10-3/s Storm rel Dir Shear (0-3000m): 51.3 deg Storm rel helicity (0-3000m) pos: 2290.3 neg: -140.4 tot: 2149.9 m^2/s^2 ave: 716.6 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 22.0 stream: 14.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.01 Bulk Shear: 998.77 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 ------------------------------------------------------------------------------- 500 237 13 315 61| 24.5 0.0 24.5|114.6-140.4 -25.8 -51.7 -0.13| 31.4 -4.0 1000 322 15 326 75| 17.7 0.0 17.7|385.1-140.4 244.6 244.6 0.20| 24.9 4.9 1500 341 20 330 79| 15.3 0.0 15.3|693.3-140.4 552.8 368.5 0.36| 22.0 7.8 2000 356 25 335 83| 13.9 0.0 13.9|1119.2-140.4 978.8 489.4 0.49| 21.1 10.3 2500 12 31 342 84| 12.9 0.0 12.9|1648.5-140.41508.0 603.2 0.59| 21.1 12.5 3000 26 36 348 84| 12.6 0.0 12.6|2290.3-140.42149.9 716.6 0.67| 22.0 14.8 4000 53 49 4 80| 12.7 0.0 12.7|3820.7-140.43680.2 920.1 0.78| 25.1 19.5 5000 88 64 31 61| 13.0 0.0 13.0|5593.0-140.45452.5 1090.5 0.85| 28.9 24.4 6000 117 80 70 41| 14.1 0.0 14.1|8074.2-140.47933.8 1322.3 0.86| 33.1 28.6 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251211.12.gif