UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for X1004... Searching the city database file for: X1004 ... Date:1200Z 17 APR 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 118 SFC 932 678 -1.7 -8.7 59 7.0 -4.0 170 1 277.0 277.3 272.9 283.0 2.12 2 927 721 0.2 -5.8 64 6.0 -2.0 174 2 279.3 279.8 275.0 286.9 2.67 3 925 738 0.0 -7.0 59 7.0 -2.5 175 3 279.3 279.7 274.7 286.2 2.44 4 884 1099 -3.5 -13.5 46 10.0 -6.4 215 3 279.3 279.6 273.3 283.7 1.52 5 850 1407 -6.5 -15.5 49 9.0 -8.9 250 3 279.3 279.6 273.1 283.3 1.34 6 756 2308 -14.7 -19.2 69 4.5 -15.7 280 7 280.0 280.2 273.0 283.2 1.11 7 753 2338 -14.3 -18.8 69 4.5 -15.3 281 7 280.7 280.9 273.5 284.1 1.15 8 743 2440 -12.7 -18.7 61 6.0 -14.1 285 7 283.5 283.7 275.1 287.1 1.17 9 718 2701 -12.3 -28.3 25 16.0 -15.2 293 8 286.8 286.9 275.8 288.4 0.52 10 713 2755 -12.3 -30.3 21 18.0 -15.4 295 8 287.3 287.4 276.0 288.7 0.43 11 700 2895 -13.1 -34.1 15 21.0 -16.3 300 9 288.0 288.0 276.1 289.0 0.30 12 576 4353 -20.9 -40.9 15 20.0 -23.1 286 10 295.4 295.4 279.6 296.0 0.19 13 500 5380 -28.3 -48.3 13 20.0 -29.7 275 11 298.5 298.6 280.8 298.9 0.10 14 400 6950 -39.1 -57.1 13 18.0 -39.8 245 42 304.2 304.2 283.1 304.3 0.04 15 308 8690 -52.1 -65.1 20 13.0 -52.3 231 67 309.6 309.6 285.2 309.6 0.02 16 302 8817 -51.9 -64.9 20 13.0 -52.1 230 69 311.6 311.6 285.9 311.6 0.02 17 301 8838 -51.9 -64.9 20 13.0 -52.1 230 69 311.9 311.9 286.0 312.0 0.02 18 300 8860 -51.9 -64.9 20 13.0 -52.1 230 69 312.2 312.2 286.1 312.3 0.02 19 271 9512 -55.5 -67.5 21 12.0 -55.6 240 52 316.2 316.2 287.5 316.2 0.02 20 261 9753 -52.7 -64.7 22 12.0 -52.9 240 47 323.7 323.7 289.9 323.8 0.02 21 250 10030 -54.3 -66.3 22 12.0 -54.5 240 42 325.3 325.3 290.4 325.4 0.02 22 200 11470 -51.5 -65.5 17 14.0 -51.8 240 33 351.2 351.2 296.9 351.3 0.03 23 150 13350 -50.1 -67.1 12 17.0 -50.7 245 27 383.7 383.7 302.9 383.9 0.03 24 131 14233 -49.7 -68.7 9 19.0 -50.4 243 27 399.6 399.6 305.2 399.8 0.03 25 100 15990 -51.5 -71.5 7 20.0 -52.2 240 27 428.2 428.2 308.7 428.4 0.02 26 73 18021 -54.5 -75.5 6 21.0 -55.2 227 16 462.2 462.2 312.0 462.3 0.02 27 70 18290 -54.1 -75.1 6 21.0 -54.9 225 15 468.6 468.7 312.5 468.8 0.02 28 50 20450 -53.9 -75.9 5 22.0 -55.0 250 11 516.5 516.5 316.1 516.6 0.03 29 30 23730 -53.7 -76.7 4 23.0 -55.5 255 9 598.2 598.3 320.5 598.5 0.04 30 21 26025 -53.5 -77.5 4 24.0 -55.9 211 4 663.1 663.1 323.2 663.5 0.05 31 20 26340 -52.9 -76.9 4 24.0 -55.5 205 3 674.3 674.3 323.6 674.7 0.05 32 11 30260 -47.1 -73.1 4 26.0 -53.2 257 6 821.0 821.1 327.8 822.8 0.18 33 10 30890 -48.9 -73.9 4 25.0 -54.6 265 7 837.0 837.1 328.1 838.8 0.17 34 9.4 31295 -50.5 -74.5 4 24.0 -55.8 845.9 846.0 328.4 847.6 0.17 35 6.2 34075 -39.7 -66.7 4 27.0 -51.8 999.0 999.5 331.3 1008.8 0.78 TRP 271 9512 -55.5 -67.5 21 12.0 -55.6 240 52 316.2 316.2 287.5 316.2 0.02 WND 302 8817 -51.9 -64.9 20 13.0 -52.1 230 69 311.6 311.6 285.9 311.6 0.02 Sounding variables and indices 1000-500 mb thick: 5262.00 m Freezing level: Surface below freezing Freezing level: 927.53 mb = 716.20 m = 2349.71 ft Freezing level: 925.00 mb = 738.00 m = 2421.23 ft Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 31.44 % Est. max temperature: 1.09 C = 33.96 F Sfc-Lift cond lev (LCL): 834.82 mb = 1545.56 m = 5070.66 ft T: -7.76 C 700-500 lapse rate: 6.12 C/km ThetaE index: 3.63 C Layer 925.0- 753.0 mb Conv cond level (CCL): 763.89 mb = 2228.29 m = 7310.59 ft Mean mixing ratio: 1.70 g/kg Conv temperature: 1.19 C = 34.15 F Cap Strength: 10.78 C Lifted Index: 12.34 C Risk: None Lifted Index @300 mb: 19.89 C Lifted Index @700 mb: 6.51 C Showalter Index: 13.08 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 12.80 C K Index: -14.70 Risk: None Sweat Index: 17.00 Risk: None Energy Index: 3.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.71 J/kg Max Up Vert Vel: 1.85 m/s Conv Inhibition (B-): 73181.52 J/kg Cap Strength: 12.34 C Lift Cond Lev (LCL): 771.11 mb = 2156.00 m = 7073.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 8 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 ---------------------------------------------------------- 0 932 678 170 1 -0.2 1.0 | 125 9 -7.5 5.3 1 925 738 175 3 -0.3 3.0 | 134 11 -7.6 7.3 2 850 1407 250 3 2.8 1.0 | 140 7 -4.5 5.3 3 700 2895 300 9 7.8 -4.5 | 296 1 0.5 -0.2 4 500 5380 275 11 11.0 -1.0 | 227 5 3.6 3.3 5 400 6950 245 42 38.1 17.7 | 234 38 30.7 22.0 6 302 8817 230 69 52.9 44.4 | 223 67 45.5 48.6 7 300 8860 230 69 52.9 44.4 | 223 67 45.5 48.6 8 271 9512 240 52 45.0 26.0 | 231 48 37.7 30.3 9 250 10030 240 42 36.4 21.0 | 229 38 29.0 25.3 10 200 11470 240 33 28.6 16.5 | 226 30 21.2 20.8 11 150 13350 245 27 24.5 11.4 | 228 23 17.1 15.7 12 100 15990 240 27 23.4 13.5 | 222 24 16.0 17.8 13 70 18290 225 15 10.6 10.6 | 192 15 3.3 14.9 14 50 20450 250 11 10.3 3.8 | 200 9 3.0 8.0 15 30 23730 255 9 8.7 2.3 | 192 7 1.4 6.6 16 20 26340 205 3 1.3 2.7 | 139 9 -6.1 7.0 17 10 30890 265 7 7.0 0.6 | 176 5 -0.4 4.9 Wind Parameters Mean winds (0-6000m): 270.2 at 11.3 knts Storm direction: 300.2 at 8.5 knts Shear (0-3000m) pos: 1.7 neg: 0.2 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 122.5 deg Storm rel helicity (0-3000m) pos: 10.6 neg: -0.4 tot: 10.2 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 15.54 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 ------------------------------------------------------------------------------- 500 197 3 137 10| 2.6 0.0 2.6| 6.8 0.0 6.8 13.6 0.61| 4.5 2.7 1000 226 3 141 8| 2.2 0.0 2.2| 8.1 -0.2 7.9 7.9 0.48| 3.5 1.7 1500 249 4 146 7| 2.2 0.0 2.2| 9.8 -0.2 9.6 6.4 0.49| 3.2 1.6 2000 269 5 148 5| 2.2 0.0 2.2| 10.5 -0.2 10.3 5.1 0.46| 3.2 1.4 2500 282 5 147 4| 2.0 0.0 2.0| 10.6 -0.3 10.4 4.1 0.45| 2.9 1.3 3000 286 6 151 3| 1.7 0.2 1.8| 10.6 -0.4 10.2 3.4 0.40| 2.6 1.0 4000 286 7 168 2| 1.3 0.4 1.6| 10.6 -0.8 9.8 2.5 0.32| 2.2 0.7 5000 283 8 192 3| 1.0 1.0 2.0| 14.4 -1.3 13.1 2.6 0.29| 2.5 0.7 6000 270 11 223 6| 0.8 2.7 3.5| 15.3 -24.5 -9.2 -1.5 0.09| 4.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//X1004/skewt/X1004.skewt.20250417.12.gif