UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 18 APR 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 54 0 0 SFC 996 87 5.0 3.2 88 1.8 4.2 0 0 278.5 279.3 277.5 291.7 4.83 2 958 404 2.6 -0.5 80 3.1 1.3 87 8 279.2 279.8 276.6 289.8 3.84 3 925 690 5.2 1.6 78 3.6 3.5 165 15 284.6 285.4 280.3 297.7 4.64 4 911 815 6.0 2.7 79 3.3 4.4 168 16 286.7 287.6 281.8 301.1 5.10 5 870 1190 4.4 2.5 87 1.9 3.5 176 18 288.8 289.8 283.0 303.9 5.27 6 850 1380 6.0 4.7 91 1.3 5.3 180 19 292.4 293.6 285.5 310.6 6.31 7 823 1644 5.2 2.1 80 3.1 3.7 182 19 294.3 295.3 285.4 310.1 5.41 8 760 2290 0.6 -1.4 86 2.0 -0.3 186 20 296.1 296.9 285.1 309.5 4.54 9 711 2823 -1.5 -3.5 86 2.0 -2.4 189 21 299.5 300.2 286.0 312.0 4.15 10 702 2925 -0.7 -2.9 85 2.2 -1.7 190 21 301.5 302.3 287.0 314.8 4.40 11 700 2948 -0.9 -3.1 85 2.2 -1.9 190 21 301.5 302.3 286.9 314.6 4.35 12 647 3570 -5.9 -9.0 79 3.1 -7.1 197 23 302.7 303.2 286.0 311.9 2.99 13 584 4367 -9.9 -13.3 76 3.4 -11.1 206 26 307.0 307.5 286.9 314.5 2.35 14 580 4420 -9.1 -12.6 76 3.5 -10.4 207 27 308.6 309.0 287.6 316.5 2.50 15 575 4486 -11.7 -15.0 76 3.3 -12.8 208 27 306.3 306.7 286.4 312.9 2.07 16 566 4607 -11.3 -15.0 74 3.7 -12.5 209 27 308.1 308.5 287.1 314.9 2.11 17 559 4702 -13.9 -18.0 71 4.1 -15.1 210 28 306.2 306.5 285.9 311.5 1.66 18 537 5006 -15.5 -19.3 73 3.8 -16.5 214 29 307.8 308.1 286.3 312.8 1.55 19 500 5540 -20.7 -29.7 44 9.0 -22.3 220 31 307.8 307.9 285.3 310.0 0.65 20 453 6261 -25.3 -38.3 29 13.0 -26.9 211 29 310.8 310.9 286.0 311.9 0.31 21 400 7150 -31.9 -42.9 33 11.0 -32.9 200 27 313.5 313.6 286.8 314.3 0.22 22 347 8140 -39.3 -49.3 34 10.0 -39.9 202 34 316.5 316.5 287.8 317.0 0.12 23 300 9120 -47.3 -57.3 31 10.0 -47.6 205 42 318.7 318.7 288.4 318.9 0.06 24 254 10199 -56.3 -65.3 31 9.0 -56.4 200 44 320.9 320.9 289.0 321.0 0.02 25 250 10300 -56.7 -65.7 31 9.0 -56.8 200 44 321.8 321.8 289.3 321.9 0.02 26 235 10687 -58.9 -67.9 30 9.0 -59.0 200 38 324.2 324.2 290.0 324.3 0.02 27 217 11193 -51.1 -60.1 33 9.0 -51.4 215 37 343.7 343.7 295.3 344.0 0.05 28 200 11720 -51.1 -61.1 29 10.0 -51.4 230 36 351.8 351.9 297.1 352.1 0.05 29 150 13590 -52.5 -64.5 22 12.0 -52.9 255 31 379.6 379.6 302.2 379.8 0.04 30 140 14032 -54.1 -66.1 22 12.0 -54.4 255 31 384.4 384.4 303.0 384.6 0.04 31 126 14707 -52.1 -64.1 22 12.0 -52.6 255 31 399.7 399.8 305.2 400.0 0.05 32 100 16190 -54.1 -66.1 22 12.0 -54.6 255 31 423.2 423.2 308.1 423.5 0.05 33 77 17849 -58.1 -70.1 20 12.0 -58.5 262 21 447.7 447.7 310.7 447.9 0.04 34 70 18450 -57.5 -69.5 20 12.0 -57.9 265 17 461.4 461.4 311.9 461.6 0.05 35 50 20580 -56.9 -68.9 21 12.0 -57.6 265 15 509.4 509.4 315.7 509.8 0.07 36 30 23810 -56.5 -68.5 21 12.0 -57.6 305 15 590.6 590.7 320.2 591.5 0.13 37 20 26380 -56.1 -69.1 18 13.0 -57.7 255 17 664.5 664.5 323.3 665.9 0.17 38 18 27050 -55.7 -68.7 18 13.0 -57.5 686.0 686.1 324.0 687.8 0.20 TRP 235 10687 -58.9 -67.9 30 9.0 -59.0 200 38 324.2 324.2 290.0 324.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5486.00 m Freezing level: 746.00 mb = 2442.29 m = 8012.66 ft Wetbulb zero: 765.25 mb = 2234.06 m = 7329.51 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 78.87 % Est. max temperature: 19.22 C = 66.59 F Sfc-Lift cond lev (LCL): 968.73 mb = 313.27 m = 1027.79 ft T: 3.29 C 700-500 lapse rate: 7.64 C/km ThetaE index: 2.85 C Layer 700.0- 584.0 mb Conv cond level (CCL): 676.19 mb = 3221.54 m = 10569.24 ft Mean mixing ratio: 4.51 g/kg Conv temperature: 28.53 C = 83.36 F Cap Strength: 14.49 C Lifted Index: 12.03 C Risk: None Lifted Index @300 mb: 17.07 C Lifted Index @700 mb: 11.68 C Showalter Index: 1.25 C Risk: Showers probable Total Totals Index: 52.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 25.40 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 292.75 Risk: None Energy Index: -0.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.23 J/kg Max Up Vert Vel: 8.86 m/s Conv Inhibition (B-): 50795.57 J/kg Cap Strength: 13.61 C Lift Cond Lev (LCL): 902.93 mb = 887.19 m = 2910.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 229 at 17 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 ---------------------------------------------------------- 0 996 87 0 0 -0.0 -0.0 | 49 17 -12.6 -10.8 1 925 690 165 15 -3.9 14.5 | 103 17 -16.5 3.7 2 850 1380 180 19 0.0 19.0 | 123 15 -12.6 8.2 3 700 2948 190 21 3.6 20.7 | 138 13 -8.9 9.9 4 500 5540 220 31 19.9 23.7 | 210 15 7.4 13.0 5 400 7150 200 27 9.2 25.4 | 167 15 -3.3 14.6 6 300 9120 205 42 17.7 38.1 | 191 28 5.2 27.3 7 250 10300 200 44 15.0 41.3 | 185 31 2.5 30.6 8 235 10687 200 38 13.0 35.7 | 181 25 0.4 24.9 9 200 11720 230 36 27.6 23.1 | 230 19 15.0 12.4 10 150 13590 255 31 29.9 8.0 | 279 18 17.4 -2.7 11 100 16190 255 31 29.9 8.0 | 279 18 17.4 -2.7 12 70 18450 265 17 16.9 1.5 | 335 10 4.4 -9.3 13 50 20580 265 15 14.9 1.3 | 346 10 2.4 -9.5 14 30 23810 305 15 12.3 -8.6 | 1 19 -0.3 -19.4 15 20 26380 255 17 16.4 4.4 | 329 7 3.9 -6.4 Wind Parameters Mean winds (0-6000m): 199.4 at 22.1 knts Storm direction: 229.4 at 16.5 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 92.0 deg Storm rel helicity (0-3000m) pos: 157.4 neg: -4.1 tot: 153.3 m^2/s^2 ave: 51.1 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 5.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.04 Bulk Shear: 37.86 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 ------------------------------------------------------------------------------- 500 171 6 71 14| 12.8 0.0 12.8| 88.6 -4.1 84.5 168.9 0.71| 20.5 14.6 1000 168 11 90 15| 8.9 0.0 8.9|130.7 -4.1 126.6 126.6 0.76| 15.7 11.9 1500 173 13 100 14| 6.6 0.0 6.6|142.8 -4.1 138.7 92.4 0.78| 11.5 9.0 2000 176 15 107 14| 5.1 0.0 5.1|147.1 -4.1 143.1 71.5 0.78| 9.0 7.0 2500 179 16 112 14| 4.2 0.0 4.2|151.5 -4.1 147.4 59.0 0.79| 7.4 5.9 3000 181 17 116 14| 3.7 0.0 3.7|157.4 -4.1 153.3 51.1 0.80| 6.5 5.2 4000 186 18 126 13| 3.3 0.0 3.3|178.2 -4.1 174.2 43.5 0.82| 5.7 4.7 5000 193 20 139 12| 3.0 0.0 3.0|201.5 -4.1 197.4 39.5 0.84| 5.2 4.4 6000 199 22 152 11| 2.6 0.3 2.9|212.0 -17.6 194.4 32.4 0.74| 4.9 3.6 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250418.00.gif