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 X1770... Searching the city database file for: X1770 ... Date:0000Z 18 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 1010 28 5.0 -1.0 65 6.0 2.5 25 1 277.4 278.0 275.1 287.1 3.51 1 1000 109 4.8 -4.2 52 9.0 1.3 25 5 278.0 278.4 274.4 285.8 2.80 2 948 543 2.8 -5.2 56 8.0 -0.3 145 8 280.2 280.7 275.6 287.9 2.73 3 928 717 5.6 -3.4 52 9.0 1.8 193 9 284.8 285.3 278.6 293.9 3.20 4 925 743 5.4 -4.6 48 10.0 1.3 200 9 284.8 285.3 278.3 293.3 2.93 5 850 1427 0.8 -8.2 51 9.0 -2.5 200 7 287.0 287.4 278.6 294.1 2.42 6 825 1666 -0.5 -9.5 51 9.0 -3.7 208 7 288.1 288.5 279.0 294.7 2.25 7 789 2023 0.4 -11.6 40 12.0 -3.8 219 6 292.7 293.1 280.8 298.8 1.99 8 700 2974 -4.9 -18.9 32 14.0 -8.9 250 5 297.1 297.3 281.7 300.9 1.23 9 666 3364 -7.3 -23.3 27 16.0 -11.3 251 6 298.6 298.8 282.0 301.5 0.88 10 500 5530 -23.9 -43.9 14 20.0 -25.9 255 13 303.9 303.9 283.2 304.5 0.16 11 483 5781 -25.3 -46.3 12 21.0 -27.2 257 17 305.2 305.2 283.7 305.6 0.12 12 437 6496 -30.9 -49.9 14 19.0 -32.2 264 27 307.0 307.0 284.3 307.3 0.09 13 400 7120 -32.1 -52.1 12 20.0 -33.4 270 36 313.3 313.3 286.6 313.6 0.08 14 381 7462 -33.1 -53.1 12 20.0 -34.3 268 42 316.3 316.4 287.6 316.6 0.07 15 325 8561 -40.9 -60.3 11 19.3 -41.6 260 60 320.2 320.2 288.9 320.4 0.03 16 300 9100 -44.9 -63.9 10 19.0 -45.4 260 60 322.1 322.1 289.4 322.2 0.02 17 260 10045 -50.9 -67.9 12 17.0 -51.2 264 47 326.7 326.7 290.8 326.8 0.02 18 250 10300 -52.3 -69.3 11 17.0 -52.6 265 44 328.3 328.3 291.2 328.4 0.01 19 212 11359 -56.7 -72.7 12 16.0 -56.9 265 31 337.3 337.3 293.7 337.3 0.01 20 206 11542 -55.7 -71.7 12 16.0 -55.9 265 29 341.7 341.7 294.7 341.7 0.01 21 200 11730 -56.5 -72.5 12 16.0 -56.7 265 27 343.3 343.3 295.1 343.3 0.01 22 192 11988 -58.3 -73.3 13 15.0 -58.5 270 25 344.4 344.4 295.4 344.5 0.01 23 183 12291 -58.3 -73.3 13 15.0 -58.5 271 23 349.2 349.2 296.5 349.2 0.01 24 150 13560 -52.7 -68.7 13 16.0 -53.1 275 17 379.3 379.3 302.2 379.4 0.02 25 147 13690 -52.7 -68.7 13 16.0 -53.1 276 17 381.5 381.5 302.5 381.6 0.02 26 102 16033 -53.3 -72.3 8 19.0 -53.9 289 17 422.3 422.4 308.0 422.5 0.02 27 100 16160 -53.9 -72.9 8 19.0 -54.5 290 17 423.6 423.6 308.2 423.7 0.02 28 70 18440 -56.5 -76.5 6 20.0 -57.1 305 15 463.5 463.5 312.1 463.6 0.02 29 56 19847 -58.3 -78.3 6 20.0 -58.9 308 10 490.0 490.0 314.2 490.0 0.02 30 50 20560 -57.3 -78.3 5 21.0 -58.0 310 7 508.4 508.5 315.5 508.6 0.02 31 38 22294 -55.9 -77.9 5 22.0 -57.1 299 10 553.5 553.5 318.3 553.7 0.02 32 33 23181 -59.7 -80.7 5 21.0 -60.6 294 12 566.2 566.2 319.0 566.4 0.02 33 30 23780 -56.1 -78.1 5 22.0 -57.5 290 13 591.7 591.7 320.2 591.9 0.03 34 27 24450 -55.3 -77.3 5 22.0 -56.9 290 11 612.1 612.1 321.2 612.3 0.04 35 22 25746 -58.1 -80.1 4 22.0 -59.5 290 7 640.6 640.6 322.3 640.9 0.03 36 20 26350 -54.9 -77.9 4 23.0 -57.1 290 5 668.1 668.1 323.4 668.5 0.05 37 16 27771 -56.5 -79.5 4 23.0 -58.7 706.9 707.0 324.7 707.3 0.05 TRP 192 11988 -58.3 -73.3 13 15.0 -58.5 270 25 344.4 344.4 295.4 344.5 0.01 WND 325 8561 -40.9 -60.3 11 19.3 -41.6 260 60 320.2 320.2 288.9 320.4 0.03 Sounding variables and indices 1000-500 mb thick: 5421.00 m Freezing level: 834.62 mb = 1574.21 m = 5164.67 ft Freezing level: 805.00 mb = 1864.69 m = 6117.66 ft Freezing level: 782.28 mb = 2095.20 m = 6873.94 ft Wetbulb zero: 957.33 mb = 463.44 m = 1520.45 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 34.34 % Est. max temperature: 14.36 C = 57.84 F Sfc-Lift cond lev (LCL): 920.74 mb = 780.33 m = 2560.11 ft T: 5.15 C 700-500 lapse rate: 7.43 C/km ThetaE index: 1.30 C Layer 1000.0- 948.0 mb Conv cond level (CCL): 639.09 mb = 3675.73 m = 12059.33 ft Mean mixing ratio: 2.87 g/kg Conv temperature: 27.16 C = 80.88 F Cap Strength: 12.02 C Lifted Index: 13.17 C Risk: None Lifted Index @300 mb: 23.58 C Lifted Index @700 mb: 11.49 C Showalter Index: 9.30 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 15.70 C K Index: 2.50 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.53 J/kg Max Up Vert Vel: 8.31 m/s Conv Inhibition (B-): 58167.04 J/kg Cap Strength: 13.08 C Lift Cond Lev (LCL): 838.37 mb = 1537.38 m = 5043.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 6 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 1010 28 25 1 -0.4 -0.9 | 84 7 -6.8 -0.7 1 1000 109 25 5 -2.1 -4.5 | 63 10 -8.5 -4.4 2 925 743 200 9 3.1 8.5 | 159 9 -3.3 8.6 3 850 1427 200 7 2.4 6.6 | 150 8 -4.0 6.8 4 700 2974 250 5 4.7 1.7 | 139 3 -1.7 1.9 5 500 5530 255 13 12.6 3.4 | 240 7 6.2 3.5 6 400 7120 270 36 36.0 -0.0 | 270 30 29.6 0.2 7 325 8561 260 60 59.1 10.4 | 259 54 52.7 10.6 8 300 9100 260 60 59.1 10.4 | 259 54 52.7 10.6 9 250 10300 265 44 43.8 3.8 | 264 38 37.5 4.0 10 200 11730 265 27 26.9 2.4 | 263 21 20.5 2.5 11 192 11988 270 25 25.0 -0.0 | 269 19 18.6 0.2 12 150 13560 275 17 16.9 -1.5 | 277 11 10.6 -1.3 13 100 16160 290 17 16.0 -5.8 | 300 11 9.6 -5.6 14 70 18440 305 15 12.3 -8.6 | 325 10 5.9 -8.4 15 50 20560 310 7 5.4 -4.5 | 13 4 -1.0 -4.3 16 30 23780 290 13 12.2 -4.4 | 306 7 5.9 -4.3 17 20 26350 290 5 4.7 -1.7 | 47 2 -1.7 -1.5 Wind Parameters Mean winds (0-6000m): 241.6 at 8.5 knts Storm direction: 271.6 at 6.4 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 58.3 deg Storm rel helicity (0-3000m) pos: 61.1 neg: -9.4 tot: 51.7 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.38 Bulk Shear: 25.11 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 92 6 92 12| 8.4 0.0 8.4| 37.5 -5.9 31.6 63.1 0.53| 17.1 9.0 1000 197 7 149 8| 4.7 0.0 4.7| 60.0 -6.8 53.2 53.2 0.62| 13.3 8.3 1500 199 7 150 8| 2.7 0.0 2.7| 60.3 -8.7 51.6 34.4 0.56| 9.4 5.3 2000 202 7 151 8| 1.9 0.0 1.9| 61.0 -8.7 52.3 26.2 0.54| 7.6 4.1 2500 207 7 153 7| 1.3 0.0 1.3| 61.1 -8.9 52.2 20.9 0.50| 6.4 3.2 3000 212 7 153 6| 1.0 0.0 1.0| 61.1 -9.4 51.7 17.2 0.46| 5.6 2.6 4000 223 7 160 5| 1.2 0.0 1.2| 63.0 -9.4 53.6 13.4 0.50| 4.6 2.3 5000 234 7 173 5| 1.2 0.0 1.2| 65.0 -9.4 55.6 11.1 0.51| 4.0 2.0 6000 242 8 195 4| 1.8 0.0 1.8| 73.0 -9.4 63.6 10.6 0.48| 4.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20250418.00.gif