UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for X1736... Searching the city database file for: X1736 ... Date:1200Z 18 APR 25 Station: X1736 WMO ident: 31736 Latitude: 48.53 Longitude: 135.23 ------------------------------------------------------------------------------- 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 41 295 13 SFC 996 74 9.8 4.8 71 5.0 7.3 295 13 283.3 284.2 280.6 298.3 5.41 2 971 285 7.6 2.6 71 5.0 5.2 268 14 283.1 283.9 279.7 296.4 4.75 3 925 684 7.2 1.2 66 6.0 4.4 215 17 286.7 287.5 281.1 299.5 4.51 4 896 946 6.6 0.6 65 6.0 3.8 226 12 288.7 289.5 282.0 301.5 4.46 5 850 1375 3.0 -4.0 60 7.0 0.0 245 5 289.3 289.9 280.9 299.0 3.34 6 782 2046 -0.5 -7.5 59 7.0 -3.2 185 12 292.5 293.0 281.7 300.8 2.78 7 700 2922 -7.1 -10.9 74 3.8 -8.4 105 21 294.6 295.0 282.1 301.8 2.38 8 694 2989 -7.3 -10.9 75 3.6 -8.5 107 21 295.1 295.6 282.3 302.4 2.40 9 678 3171 -5.3 -7.9 82 2.6 -6.3 111 21 299.3 299.9 284.9 308.8 3.11 10 570 4509 -14.5 -16.8 83 2.3 -15.2 145 21 303.8 304.1 285.1 309.5 1.80 11 500 5490 -20.3 -24.5 69 4.2 -21.2 170 21 308.3 308.5 285.9 311.8 1.05 12 438 6460 -26.9 -30.9 69 4.0 -27.5 161 25 311.8 312.0 286.8 314.1 0.66 13 400 7110 -31.9 -36.1 66 4.2 -32.4 155 27 313.5 313.6 287.1 315.1 0.44 14 300 9070 -49.3 -54.2 56 4.9 -49.4 155 33 315.9 315.9 287.5 316.2 0.08 15 252 10190 -58.7 -63.7 52 5.0 -58.7 145 33 318.1 318.1 288.2 318.2 0.03 16 250 10240 -59.1 -64.1 52 5.0 -59.2 145 33 318.2 318.2 288.2 318.3 0.03 17 238 10545 -60.5 -65.4 52 4.9 -60.6 155 31 320.6 320.6 288.9 320.7 0.02 18 229 10787 -55.1 -60.1 54 5.0 -55.2 173 26 332.4 332.4 292.4 332.6 0.05 19 200 11650 -53.7 -58.7 54 5.0 -53.8 235 7 347.7 347.7 296.2 348.0 0.07 20 158 13173 -51.1 -59.1 38 8.0 -51.4 243 20 376.4 376.4 301.7 376.8 0.08 21 150 13510 -51.9 -59.9 38 8.0 -52.2 245 23 380.6 380.7 302.4 381.0 0.08 22 109 15575 -53.3 -65.3 22 12.0 -53.8 269 12 414.4 414.4 307.1 414.7 0.05 23 100 16130 -54.1 -66.1 22 12.0 -54.6 275 9 423.2 423.2 308.1 423.5 0.05 24 70 18400 -56.9 -71.9 13 15.0 -57.4 250 9 462.7 462.7 312.0 462.8 0.03 25 57 19700 -58.1 -74.1 11 16.0 -58.7 259 11 487.9 487.9 314.1 488.1 0.03 26 50 20530 -56.5 -73.5 10 17.0 -57.3 265 13 510.3 510.3 315.7 510.6 0.04 27 47 20925 -54.5 -71.5 11 17.0 -55.5 277 12 524.2 524.3 316.6 524.6 0.05 28 34 22987 -57.7 -75.7 8 18.0 -58.7 337 4 566.7 566.7 319.0 567.0 0.04 29 30 23780 -56.5 -74.5 9 18.0 -57.8 360 1 590.6 590.6 320.2 591.0 0.05 30 27 24448 -57.1 -76.1 7 19.0 -58.4 607.0 607.0 320.9 607.3 0.05 TRP 238 10545 -60.5 -65.4 52 4.9 -60.6 155 31 320.6 320.6 288.9 320.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: 791.71 mb = 1950.55 m = 6399.36 ft Wetbulb zero: 849.58 mb = 1378.95 m = 4524.06 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 71.89 % Est. max temperature: 15.99 C = 60.78 F Sfc-Lift cond lev (LCL): 923.05 mb = 701.29 m = 2300.80 ft T: 7.16 C 700-500 lapse rate: 5.14 C/km ThetaE index: 2.45 C Layer 850.0- 782.0 mb Conv cond level (CCL): 780.56 mb = 2061.06 m = 6761.91 ft Mean mixing ratio: 4.69 g/kg Conv temperature: 19.07 C = 66.33 F Cap Strength: 7.51 C Lifted Index: 9.68 C Risk: None Lifted Index @300 mb: 12.32 C Lifted Index @700 mb: 3.13 C Showalter Index: 9.33 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 16.30 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 31.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.51 J/kg Max Up Vert Vel: 6.56 m/s Conv Inhibition (B-): 43639.43 J/kg Cap Strength: 9.39 C Lift Cond Lev (LCL): 868.05 mb = 1203.80 m = 3949.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 180 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 ---------------------------------------------------------- 0 996 74 295 13 11.8 -5.5 | 327 22 11.9 -18.5 1 925 684 215 17 9.8 13.9 | 265 10 9.8 0.9 2 850 1375 245 5 4.5 2.1 | 337 12 4.6 -10.9 3 700 2922 105 21 -20.3 5.4 | 69 22 -20.2 -7.6 4 500 5490 170 21 -3.6 20.7 | 155 8 -3.6 7.6 5 400 7110 155 27 -11.4 24.5 | 135 16 -11.3 11.4 6 300 9070 155 33 -13.9 29.9 | 141 22 -13.9 16.9 7 250 10240 145 33 -18.9 27.0 | 127 23 -18.9 14.0 8 238 10545 155 31 -13.1 28.1 | 139 20 -13.0 15.1 9 200 11650 235 7 5.7 4.0 | 327 11 5.8 -9.0 10 150 13510 245 23 20.8 9.7 | 279 21 20.9 -3.3 11 100 16130 275 9 9.0 -0.8 | 327 17 9.0 -13.8 12 70 18400 250 9 8.5 3.1 | 319 13 8.5 -10.0 13 50 20530 265 13 13.0 1.1 | 312 18 13.0 -11.9 14 30 23780 360 1 -0.0 -1.0 | 360 14 0.1 -14.0 Wind Parameters Mean winds (0-6000m): 149.7 at 17.4 knts Storm direction: 179.7 at 13.0 knts Shear (0-3000m) pos: 1.0 neg: 5.5 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 40.7 neg: -110.8 tot: -70.1 m^2/s^2 ave: -23.4 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 12.2 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 88.84 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 ------------------------------------------------------------------------------- 500 257 15 304 17| 0.0 16.6 16.6| 0.0 -66.9 -66.9 -133.8 -0.83| 17.6-14.6 1000 237 14 293 13| 3.1 8.3 11.4| 20.1 -75.5 -55.4 -55.4 -0.33| 14.7 -4.9 1500 235 12 302 12| 2.1 5.1 7.2| 35.9 -80.7 -44.8 -29.9 -0.16| 12.7 -2.0 2000 225 11 302 10| 1.6 5.9 7.5| 36.1 -84.3 -48.2 -24.1 -0.15| 11.9 -1.8 2500 202 12 292 5| 1.3 6.1 7.4| 36.6 -88.2 -51.7 -20.7 -0.10| 12.2 -1.2 3000 166 13 87 3| 1.0 5.5 6.5| 40.7-110.8 -70.1 -23.4 -0.14| 12.2 -1.7 4000 141 15 82 10| 0.5 4.1 4.6| 75.5-110.8 -35.3 -8.8 -0.04| 10.3 -0.4 5000 143 16 90 10| 1.2 3.3 4.5|100.4-110.8 -10.4 -2.1 0.05| 9.2 0.5 6000 150 17 103 9| 1.3 3.0 4.3|108.7-114.0 -5.4 -0.9 0.07| 8.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//X1736/skewt/X1736.skewt.20250418.12.gif