UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050412.upa.cvt Date: 1200Z 4 MAY 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 4 MAY 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 93 1 925 723 90 5 SFC 923 740 -0.3 -2.6 84 2.3 -1.2 90 5 279.2 279.8 276.0 288.7 3.42 3 850 1397 -4.5 -6.8 84 2.3 -5.3 145 13 281.4 281.9 276.2 289.1 2.70 4 780 2066 -9.3 -11.3 85 2.0 -9.9 180 11 283.3 283.6 276.3 289.3 2.06 5 705 2844 -10.1 -12.5 83 2.4 -10.8 222 9 290.7 291.1 280.0 296.9 2.07 6 700 2899 -10.5 -13.0 82 2.5 -11.3 225 9 290.9 291.2 280.0 296.9 2.01 7 500 5410 -25.5 -28.1 79 2.6 -25.9 220 29 301.9 302.1 283.2 304.4 0.76 8 406 6896 -35.3 -38.5 72 3.2 -35.6 206 20 307.8 307.9 284.9 309.0 0.34 9 400 7000 -36.3 -39.5 72 3.2 -36.6 205 19 307.8 307.9 284.9 308.9 0.31 10 300 8920 -52.9 -56.3 66 3.4 -53.0 200 27 310.8 310.8 285.7 311.0 0.06 11 287 9205 -55.3 -58.8 65 3.5 -55.4 203 26 311.3 311.3 285.9 311.5 0.05 12 264 9736 -58.5 -62.2 62 3.7 -58.6 210 23 314.2 314.2 286.8 314.3 0.03 13 250 10080 -58.1 -61.8 62 3.7 -58.2 205 23 319.7 319.7 288.7 319.8 0.04 14 200 11500 -52.9 -57.0 61 4.1 -53.0 205 21 349.0 349.0 296.5 349.4 0.09 15 190 11832 -52.3 -56.5 60 4.2 -52.5 208 19 355.1 355.1 297.8 355.5 0.10 16 180 12183 -50.9 -55.3 59 4.4 -51.1 210 17 362.9 363.0 299.4 363.5 0.12 17 150 13370 -50.9 -56.9 49 6.0 -51.2 220 11 382.4 382.4 302.7 382.9 0.12 18 100 16000 -50.7 -60.7 30 10.0 -51.3 190 13 429.8 429.8 308.9 430.3 0.11 19 70 18320 -49.7 -63.7 18 14.0 -50.8 175 7 478.1 478.1 313.4 478.7 0.10 20 50 20520 -50.5 -67.5 12 17.0 -52.0 140 7 524.5 524.5 316.6 525.0 0.09 21 30 23850 -49.3 -69.3 8 20.0 -51.8 80 7 610.2 610.3 321.1 611.1 0.11 22 20 26507 -49.5 -70.5 7 21.0 -52.9 684.7 684.7 324.0 685.9 0.14 TRP 264 9736 -58.5 -62.2 62 3.7 -58.6 210 23 314.2 314.2 286.8 314.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5317.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 82.06 % Est. max temperature: 4.35 C = 39.84 F Sfc-Lift cond lev (LCL): 890.34 mb = 1027.47 m = 3370.92 ft T: -2.14 C 700-500 lapse rate: 5.97 C/km ThetaE index: 0.04 C Layer 700.0- 500.0 mb Conv cond level (CCL): 824.84 mb = 1630.78 m = 5350.26 ft Mean mixing ratio: 2.92 g/kg Conv temperature: 2.54 C = 36.58 F Cap Strength: 5.80 C Lifted Index: 11.51 C Risk: None Lifted Index @300 mb: 15.52 C Lifted Index @700 mb: 5.80 C Showalter Index: 11.39 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 18.70 C K Index: 11.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.87 J/kg Max Up Vert Vel: 4.44 m/s Conv Inhibition (B-): 55420.04 J/kg Cap Strength: 11.44 C Lift Cond Lev (LCL): 841.80 mb = 1472.45 m = 4830.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 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 ---------------------------------------------------------- 0 923 740 90 5 -5.0 0.0 | 68 18 -16.3 -6.5 1 850 1397 145 13 -7.5 10.6 | 103 19 -18.7 4.2 2 700 2899 225 9 6.4 6.4 | 89 5 -4.9 -0.1 3 500 5410 220 29 18.6 22.2 | 205 17 7.4 15.7 4 400 7000 205 19 8.0 17.2 | 163 11 -3.3 10.7 5 300 8920 200 27 9.2 25.4 | 174 19 -2.1 18.9 6 264 9736 210 23 11.5 19.9 | 181 13 0.2 13.4 7 250 10080 205 23 9.7 20.8 | 174 14 -1.6 14.4 8 200 11500 205 21 8.9 19.0 | 169 13 -2.4 12.6 9 150 13370 220 11 7.1 8.4 | 115 5 -4.2 2.0 10 100 16000 190 13 2.3 12.8 | 125 11 -9.0 6.3 11 70 18320 175 7 -0.6 7.0 | 92 12 -11.9 0.5 12 50 20520 140 7 -4.5 5.4 | 86 16 -15.8 -1.1 13 30 23850 80 7 -6.9 -1.2 | 67 20 -18.2 -7.7 Wind Parameters Mean winds (0-6000m): 210.2 at 17.4 knts Storm direction: 240.2 at 13.0 knts Shear (0-3000m) pos: 2.7 neg: 0.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 105.7 deg Storm rel helicity (0-3000m) pos: 76.9 neg: -4.2 tot: 72.7 m^2/s^2 ave: 24.2 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 44.67 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 ------------------------------------------------------------------------------- 500 126 8 84 18| 8.3 0.0 8.3| 40.7 0.0 40.7 81.4 0.95| 8.7 8.3 1000 141 10 94 18| 6.0 0.0 6.0| 66.8 0.0 66.8 66.8 0.85| 8.1 6.9 1500 152 11 100 16| 4.3 0.0 4.3| 70.8 0.0 70.8 47.2 0.68| 7.3 5.0 2000 161 10 103 15| 3.4 0.0 3.4| 70.8 -3.0 67.9 33.9 0.49| 6.7 3.3 2500 172 10 107 13| 3.2 0.0 3.2| 73.1 -4.2 68.9 27.6 0.47| 6.2 2.9 3000 185 11 113 11| 2.7 0.7 3.4| 76.9 -4.2 72.7 24.2 0.52| 5.8 3.0 4000 202 13 132 9| 2.0 1.5 3.6| 83.9 -4.2 79.7 19.9 0.51| 5.4 2.7 5000 209 16 154 8| 1.6 1.6 3.2| 87.4 -12.9 74.5 14.9 0.41| 5.1 2.1 6000 210 17 163 9| 1.3 0.9 2.2| 87.4 -35.9 51.5 8.6 0.24| 4.9 1.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20250504.12.gif