UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 23 APR 25 Station: X1770 WMO ident: 31770 Latitude: 49.00 Longitude: 140.30 ------------------------------------------------------------------------------- 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 1004 24 6.8 1.9 71 4.9 4.5 300 1 279.6 280.4 277.5 291.7 4.37 1 1000 57 6.4 1.4 70 5.0 4.1 310 3 279.5 280.3 277.3 291.2 4.23 2 985 181 5.0 -1.0 65 6.0 2.4 313 6 279.4 280.0 276.3 289.4 3.60 3 971 297 6.2 0.2 65 6.0 3.5 316 8 281.7 282.4 278.1 292.9 3.99 4 925 693 3.6 -3.4 60 7.0 0.7 325 17 283.0 283.5 277.7 292.1 3.21 5 850 1374 -0.7 -6.7 64 6.0 -3.0 355 13 285.4 285.9 278.3 293.3 2.72 6 700 2901 -8.7 -16.7 52 8.0 -10.9 325 19 292.9 293.1 280.2 297.4 1.48 7 696 2945 -8.9 -16.9 52 8.0 -11.1 325 19 293.1 293.4 280.3 297.6 1.46 8 695 2957 -8.9 -16.9 52 8.0 -11.1 324 19 293.2 293.5 280.3 297.7 1.46 9 657 3395 -5.5 -33.5 9 28.0 -11.1 320 23 301.8 301.9 282.6 303.0 0.34 10 532 5010 -18.5 -34.5 23 16.0 -21.0 305 36 305.0 305.1 284.0 306.3 0.39 11 500 5470 -21.5 -32.5 36 11.0 -23.2 300 40 306.8 306.9 284.8 308.5 0.50 12 475 5847 -23.3 -34.3 36 11.0 -24.9 299 41 309.1 309.2 285.5 310.7 0.44 13 422 6701 -30.3 -41.3 33 11.0 -31.4 296 45 310.8 310.9 285.9 311.7 0.24 14 400 7080 -32.3 -45.3 26 13.0 -33.4 295 46 313.0 313.0 286.6 313.6 0.17 15 337 8271 -38.3 -52.3 22 14.0 -39.1 292 54 320.5 320.6 289.0 320.9 0.09 16 303 8993 -43.7 -57.7 20 14.0 -44.2 290 60 322.8 322.9 289.7 323.1 0.05 17 300 9060 -44.1 -58.1 20 14.0 -44.6 290 60 323.2 323.2 289.8 323.4 0.05 18 250 10270 -48.9 -61.9 21 13.0 -49.3 290 66 333.4 333.4 292.7 333.5 0.04 19 249 10296 -49.0 -62.0 21 13.0 -49.4 290 66 333.6 333.6 292.7 333.7 0.04 20 228 10871 -51.5 -64.5 20 13.0 -51.8 290 60 338.3 338.3 293.9 338.4 0.03 21 200 11720 -51.9 -65.9 17 14.0 -52.2 280 54 350.6 350.6 296.8 350.7 0.03 22 190 12055 -50.9 -64.9 17 14.0 -51.3 276 53 357.4 357.4 298.2 357.5 0.03 23 177 12516 -53.1 -68.1 15 15.0 -53.4 272 52 361.1 361.1 299.0 361.2 0.02 24 150 13590 -52.3 -68.3 13 16.0 -52.7 260 50 380.0 380.0 302.3 380.1 0.03 25 129 14566 -50.9 -68.9 10 18.0 -51.5 258 48 399.2 399.2 305.1 399.4 0.03 26 126 14719 -51.3 -69.3 10 18.0 -51.9 258 47 401.2 401.2 305.4 401.3 0.03 27 105 15895 -53.5 -72.5 8 19.0 -54.1 256 45 418.5 418.5 307.6 418.6 0.02 28 100 16210 -51.3 -71.3 7 20.0 -52.1 255 44 428.6 428.6 308.7 428.7 0.03 29 85 17261 -51.5 -72.5 6 21.0 -52.4 253 34 448.6 448.6 310.7 448.7 0.02 30 70 18500 -57.3 -78.3 5 21.0 -57.9 250 23 461.8 461.8 312.0 461.9 0.01 31 68 18684 -57.9 -78.9 5 21.0 -58.5 249 23 464.4 464.4 312.1 464.4 0.01 32 50 20640 -56.3 -78.3 5 22.0 -57.2 235 25 510.8 510.8 315.7 510.9 0.02 33 45 21307 -58.5 -79.5 5 21.0 -59.2 221 22 521.1 521.1 316.4 521.2 0.02 34 42 21746 -53.7 -76.7 4 23.0 -55.0 211 20 543.4 543.4 317.7 543.5 0.03 35 30 23900 -55.9 -78.9 4 23.0 -57.3 165 11 592.2 592.3 320.3 592.4 0.03 36 22 25865 -57.9 -80.9 4 23.0 -59.4 173 9 641.2 641.2 322.3 641.4 0.03 37 20 26470 -54.7 -78.7 4 24.0 -56.9 175 9 668.7 668.8 323.4 669.1 0.04 38 12 29747 -53.9 -77.9 4 24.0 -57.3 164 10 776.8 776.8 326.7 777.5 0.08 39 10 30930 -49.7 -74.7 4 25.0 -55.1 160 11 834.0 834.1 328.1 835.6 0.15 40 6.5 33765 -47.3 -73.3 4 26.0 -55.3 953.5 953.7 330.5 956.9 0.29 TRP 228 10871 -51.5 -64.5 20 13.0 -51.8 290 60 338.3 338.3 293.9 338.4 0.03 WND 249 10296 -49.0 -62.0 21 13.0 -49.4 290 66 333.6 333.6 292.7 333.7 0.04 Sounding variables and indices 1000-500 mb thick: 5413.00 m Freezing level: 862.21 mb = 1263.14 m = 4144.11 ft Wetbulb zero: 910.31 mb = 821.91 m = 2696.51 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 41.78 % Est. max temperature: 12.46 C = 54.42 F Sfc-Lift cond lev (LCL): 931.31 mb = 637.64 m = 2091.97 ft T: 3.96 C 700-500 lapse rate: 4.98 C/km ThetaE index: 2.32 C Layer 1000.0- 971.0 mb Conv cond level (CCL): 781.74 mb = 2032.41 m = 6667.94 ft Mean mixing ratio: 3.60 g/kg Conv temperature: 15.81 C = 60.46 F Cap Strength: 12.53 C Lifted Index: 13.28 C Risk: None Lifted Index @300 mb: 22.21 C Lifted Index @700 mb: 5.64 C Showalter Index: 12.29 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 14.80 C K Index: 6.10 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.81 J/kg Max Up Vert Vel: 5.97 m/s Conv Inhibition (B-): 62895.26 J/kg Cap Strength: 13.15 C Lift Cond Lev (LCL): 865.03 mb = 1232.80 m = 4044.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 344 at 18 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 1004 24 300 1 0.9 -0.5 | 166 17 -4.0 16.4 1 1000 57 310 3 2.3 -1.9 | 170 15 -2.5 15.0 2 925 693 325 17 9.8 -13.9 | 239 6 4.9 3.0 3 850 1374 355 13 1.1 -13.0 | 137 5 -3.7 4.0 4 700 2901 325 19 10.9 -15.6 | 258 6 6.1 1.3 5 500 5470 300 40 34.6 -20.0 | 276 30 29.8 -3.1 6 400 7080 295 46 41.7 -19.4 | 274 37 36.9 -2.5 7 300 9060 290 60 56.4 -20.5 | 274 52 51.6 -3.6 8 250 10270 290 66 62.0 -22.6 | 276 57 57.2 -5.7 9 249 10296 290 66 62.0 -22.6 | 276 57 57.2 -5.7 10 228 10871 290 60 56.4 -20.5 | 274 52 51.6 -3.6 11 200 11720 280 54 53.2 -9.4 | 261 49 48.4 7.5 12 150 13590 260 50 49.2 8.7 | 240 51 44.4 25.6 13 100 16210 255 44 42.5 11.4 | 233 47 37.7 28.3 14 70 18500 250 23 21.6 7.9 | 214 30 16.8 24.8 15 50 20640 235 25 20.5 14.3 | 207 35 15.7 31.2 16 30 23900 165 11 -2.8 10.6 | 164 29 -7.7 27.5 17 20 26470 175 9 -0.8 9.0 | 168 26 -5.6 25.9 18 10 30930 160 11 -3.8 10.3 | 163 29 -8.6 27.2 Wind Parameters Mean winds (0-6000m): 314.1 at 23.4 knts Storm direction: 344.1 at 17.6 knts Shear (0-3000m) pos: 2.2 neg: 1.8 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 97.3 deg Storm rel helicity (0-3000m) pos: 35.9 neg: -5.7 tot: 30.3 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 32.79 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 ------------------------------------------------------------------------------- 500 319 8 181 11| 12.7 0.0 12.7| 24.9 0.0 24.9 49.7 0.65| 12.8 8.3 1000 327 12 193 7| 7.4 0.0 7.4| 30.3 -2.8 27.5 27.5 0.41| 10.5 4.3 1500 334 12 186 6| 4.5 0.0 4.5| 30.5 -5.7 24.8 16.6 0.22| 8.6 1.9 2000 338 13 181 5| 3.3 0.8 4.2| 32.0 -5.7 26.3 13.1 0.26| 7.3 1.9 2500 337 14 187 4| 2.7 1.4 4.0| 33.7 -5.7 28.0 11.2 0.32| 6.5 2.1 3000 335 15 200 4| 2.2 1.8 4.0| 35.9 -5.7 30.3 10.1 0.33| 6.1 2.0 4000 329 17 237 5| 1.7 2.5 4.2| 42.9 -5.7 37.3 9.3 0.32| 5.7 1.8 5000 321 20 260 8| 1.3 3.0 4.3| 43.2 -10.4 32.8 6.6 0.25| 5.6 1.4 6000 314 23 267 12| 1.1 3.1 4.2| 43.2 -20.9 22.3 3.7 0.20| 5.3 1.0 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20250423.00.gif