UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:1200Z 19 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 83 225 1 SFC 999 91 6.2 4.3 88 1.9 5.3 225 1 279.4 280.3 278.5 293.7 5.21 2 925 718 2.8 0.8 87 2.0 1.9 230 13 282.2 282.9 278.8 294.4 4.38 3 872 1194 0.0 -1.8 88 1.8 -0.7 206 10 284.1 284.7 279.0 294.9 3.84 4 850 1399 -0.5 -2.0 90 1.5 -1.2 195 9 285.6 286.3 279.8 296.7 3.88 5 700 2935 -6.5 -8.3 87 1.8 -7.2 240 15 295.3 295.8 283.0 304.0 2.92 6 626 3803 -9.3 -11.3 85 2.0 -10.0 233 19 301.7 302.1 285.2 309.6 2.57 7 500 5500 -21.5 -24.1 79 2.6 -22.1 220 27 306.8 307.0 285.5 310.4 1.09 8 476 5859 -24.7 -27.4 78 2.7 -25.2 222 38 307.2 307.4 285.3 310.0 0.85 9 445 6345 -28.5 -32.0 72 3.5 -29.0 225 52 308.4 308.5 285.5 310.4 0.59 10 402 7065 -32.9 -37.9 61 5.0 -33.4 230 74 311.8 311.9 286.4 313.1 0.36 11 400 7100 -33.1 -38.1 61 5.0 -33.6 230 75 312.0 312.0 286.5 313.2 0.36 12 382 7424 -33.1 -39.1 55 6.0 -33.7 228 79 316.1 316.2 287.9 317.3 0.34 13 327 8502 -39.5 -48.5 38 9.0 -40.1 219 95 321.7 321.7 289.4 322.2 0.14 14 326 8523 -39.5 -48.5 38 9.0 -40.1 219 95 321.9 322.0 289.5 322.5 0.14 15 300 9090 -40.9 -49.9 37 9.0 -41.4 215 103 327.7 327.7 291.2 328.2 0.13 16 299 9113 -41.1 -50.1 37 9.0 -41.6 215 103 327.7 327.8 291.2 328.3 0.13 17 276 9650 -46.0 -55.0 35 9.0 -46.3 215 106 328.3 328.3 291.3 328.6 0.08 18 264 9944 -48.7 -57.7 34 9.0 -49.0 215 105 328.5 328.5 291.3 328.7 0.06 19 250 10300 -51.1 -60.1 33 9.0 -51.3 215 103 330.1 330.1 291.8 330.3 0.05 20 238 10621 -52.3 -61.3 33 9.0 -52.5 215 99 333.0 333.0 292.6 333.1 0.04 21 235 10704 -49.9 -59.9 30 10.0 -50.2 217 97 337.8 337.8 293.8 338.0 0.05 22 212 11378 -52.1 -61.1 33 9.0 -52.4 235 84 344.5 344.5 295.4 344.7 0.05 23 200 11760 -49.1 -59.1 30 10.0 -49.5 245 77 355.0 355.0 297.8 355.3 0.07 24 189 12132 -47.9 -57.9 31 10.0 -48.3 246 69 362.7 362.8 299.3 363.1 0.08 25 163 13101 -51.5 -61.5 29 10.0 -51.8 249 49 372.4 372.4 301.0 372.7 0.06 26 150 13640 -51.7 -61.7 29 10.0 -52.1 250 38 381.0 381.0 302.5 381.3 0.06 27 135 14320 -52.9 -62.9 29 10.0 -53.2 253 37 390.5 390.5 303.9 390.8 0.06 28 100 16260 -51.5 -62.5 26 11.0 -52.1 260 35 428.2 428.2 308.7 428.7 0.09 TRP 238 10621 -52.3 -61.3 33 9.0 -52.5 215 99 333.0 333.0 292.6 333.1 0.04 WND 276 9650 -46.0 -55.0 35 9.0 -46.3 215 106 328.3 328.3 291.3 328.6 0.08 Sounding variables and indices 1000-500 mb thick: 5417.00 m Freezing level: 872.00 mb = 1194.08 m = 3917.55 ft Wetbulb zero: 886.91 mb = 1057.25 m = 3468.64 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 85.83 % Est. max temperature: 12.45 C = 54.41 F Sfc-Lift cond lev (LCL): 970.26 mb = 328.94 m = 1079.18 ft T: 4.91 C 700-500 lapse rate: 5.85 C/km Conv cond level (CCL): 892.50 mb = 1006.63 m = 3302.55 ft Mean mixing ratio: 4.65 g/kg Conv temperature: 10.09 C = 50.16 F Cap Strength: 10.07 C Lifted Index: 11.61 C Risk: None Lifted Index @300 mb: 23.83 C Lifted Index @700 mb: 6.43 C Showalter Index: 9.83 C Risk: None Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 19.50 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 45.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.15 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 17381.44 J/kg Cap Strength: 11.59 C Lift Cond Lev (LCL): 920.08 mb = 761.00 m = 2496.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 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 ---------------------------------------------------------- 0 999 91 225 1 0.7 0.7 | 77 12 -12.1 -2.8 1 925 718 230 13 10.0 8.4 | 150 6 -2.9 4.9 2 850 1399 195 9 2.3 8.7 | 116 12 -10.5 5.2 3 700 2935 240 15 13.0 7.5 | 182 4 0.2 4.0 4 500 5500 220 27 17.4 20.7 | 195 18 4.5 17.2 5 400 7100 230 75 57.5 48.2 | 225 63 44.6 44.7 6 300 9090 215 103 59.1 84.4 | 210 93 46.3 80.9 7 276 9650 215 106 60.8 86.8 | 210 96 48.0 83.4 8 250 10300 215 103 59.1 84.4 | 210 93 46.3 80.9 9 238 10621 215 99 56.8 81.1 | 210 89 44.0 77.6 10 200 11760 245 77 69.8 32.5 | 243 64 57.0 29.1 11 150 13640 250 38 35.7 13.0 | 247 25 22.9 9.5 12 100 16260 260 35 34.5 6.1 | 263 22 21.6 2.6 Wind Parameters Mean winds (0-6000m): 224.9 at 17.7 knts Storm direction: 254.9 at 13.3 knts Shear (0-3000m) pos: 3.1 neg: 0.9 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 110.5 deg Storm rel helicity (0-3000m) pos: 35.1 neg: -10.5 tot: 24.6 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 19.06 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 ------------------------------------------------------------------------------- 500 230 6 92 8| 9.9 0.0 9.9| 15.2 0.0 15.2 30.4 0.71| 9.9 7.0 1000 225 9 113 7| 4.9 1.7 6.7| 18.1 -4.5 13.6 13.6 0.41| 8.2 3.4 1500 218 9 117 8| 3.3 1.7 5.0| 20.6 -10.5 10.1 6.7 0.26| 6.9 1.8 2000 216 10 120 8| 3.2 1.3 4.5| 26.8 -10.5 16.3 8.2 0.33| 6.1 2.0 2500 218 10 125 8| 3.2 1.0 4.2| 31.8 -10.5 21.2 8.5 0.37| 5.6 2.1 3000 224 11 130 7| 3.1 0.9 4.0| 35.1 -10.5 24.6 8.2 0.42| 5.3 2.2 4000 227 13 145 6| 2.3 0.9 3.3| 37.0 -10.5 26.5 6.6 0.39| 4.7 1.8 5000 227 15 163 7| 1.9 1.3 3.1| 37.0 -12.0 25.0 5.0 0.33| 4.3 1.4 6000 225 18 178 9| 2.8 1.4 4.2| 86.4 -14.0 72.4 12.1 0.33| 5.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250419.12.gif