UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112600.upa.cvt Date: 0000Z 26 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 26 NOV 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 310 SFC 937 742 -48.9 -52.1 69 3.2 -48.9 250 1 228.5 228.5 228.3 228.6 0.03 2 925 828 -46.7 -49.7 71 3.0 -46.7 235 1 231.6 231.6 231.4 231.7 0.04 3 850 1403 -36.1 -39.7 69 3.6 -36.2 180 7 248.3 248.3 247.5 248.7 0.14 4 829 1577 -32.3 -36.1 69 3.8 -32.5 181 7 254.1 254.2 252.7 254.7 0.21 5 775 2057 -24.5 -28.8 67 4.3 -25.0 185 6 267.5 267.5 263.8 268.8 0.46 6 700 2790 -27.9 -31.6 71 3.7 -28.3 190 5 271.6 271.7 266.5 272.8 0.39 7 500 5150 -40.9 -44.2 70 3.3 -41.1 215 7 283.2 283.2 273.3 283.7 0.15 8 476 5480 -41.9 -45.1 71 3.2 -42.1 218 7 285.9 286.0 274.8 286.4 0.14 9 400 6630 -48.9 -52.4 67 3.5 -49.0 230 5 291.4 291.4 277.5 291.7 0.07 10 356 7390 -54.1 -57.6 65 3.5 -54.2 224 7 294.3 294.3 278.9 294.5 0.04 11 300 8480 -59.3 -62.8 64 3.5 -59.3 215 11 301.8 301.8 282.1 301.9 0.03 12 287 8759 -60.1 -63.6 63 3.5 -60.2 215 11 304.5 304.5 283.2 304.6 0.03 13 250 9630 -57.5 -61.0 64 3.5 -57.6 225 11 320.6 320.6 289.0 320.7 0.04 14 200 11030 -57.9 -61.5 63 3.6 -58.0 205 19 341.1 341.1 294.6 341.3 0.05 15 150 12850 -56.9 -60.4 64 3.5 -57.0 200 25 372.0 372.1 301.0 372.4 0.07 16 143 13154 -55.9 -59.5 64 3.6 -56.0 199 26 378.9 378.9 302.1 379.3 0.09 17 100 15420 -58.7 -62.5 61 3.8 -58.8 195 36 414.3 414.3 307.1 414.7 0.09 18 70 17670 -56.9 -60.5 64 3.6 -57.1 190 46 462.7 462.7 312.1 463.6 0.16 19 58 18866 -56.3 -59.9 64 3.6 -56.6 196 58 489.6 489.6 314.3 490.8 0.21 20 51 19692 -52.5 -56.4 63 3.9 -53.0 199 67 516.8 516.9 316.2 519.1 0.36 21 50 19820 -52.7 -56.6 63 3.9 -53.2 200 68 519.3 519.4 316.4 521.6 0.36 22 43 20796 -53.1 -57.0 62 3.9 -53.7 203 78 541.2 541.3 317.8 543.8 0.40 23 41 21105 -50.3 -54.2 63 3.9 -51.0 204 82 555.6 555.8 318.6 559.6 0.59 24 38 21601 -51.7 -55.4 64 3.7 -52.3 205 87 564.2 564.4 319.0 568.0 0.55 25 30 23150 -47.9 -51.9 63 4.0 -49.0 210 103 614.1 614.5 321.6 621.9 1.06 26 29 23373 -47.7 -51.7 63 4.0 -48.8 210 107 620.6 621.0 321.9 629.0 1.12 27 20 25810 -49.5 -53.4 64 3.9 -50.8 215 145 684.7 685.2 324.3 695.7 1.33 28 19 26147 -47.8 -51.7 64 3.9 -49.3 215 151 699.9 700.6 324.9 714.4 1.71 29 18 26505 -46.1 -49.9 65 3.8 -47.7 716.3 717.3 325.5 735.6 2.23 TRP 287 8759 -60.1 -63.6 63 3.5 -60.2 215 11 304.5 304.5 283.2 304.6 0.03 WND 19 26147 -47.8 -51.7 64 3.9 -49.3 215 151 699.9 700.6 324.9 714.4 1.71 Sounding variables and indices 1000-500 mb thick: 4840.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 69.92 % Est. max temperature: -13.65 C = 7.43 F Sfc-Lift cond lev (LCL): 883.74 mb = 1138.33 m = 3734.62 ft T: -40.98 C 700-500 lapse rate: 5.51 C/km ThetaE index: 0.00 C Layer 937.0--1245.2 mb Conv cond level (CCL): 937.00 mb = 742.04 m = 2434.49 ft Mean mixing ratio: 0.10 g/kg Conv temperature: -42.48 C = -44.46 F Cap Strength: 28.15 C Lifted Index: 35.02 C Risk: None Lifted Index @300 mb: 43.45 C Lifted Index @700 mb: 28.15 C Showalter Index: 28.28 C Risk: None Total Totals Index: 6.00 C Risk: None Vertical Totals Index: 4.80 C Cross Totals Index: 1.20 C K Index: -38.60 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 7.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.78 J/kg Max Up Vert Vel: 11.21 m/s Conv Inhibition (B-): 63698.84 J/kg Cap Strength: 34.76 C Lift Cond Lev (LCL): 857.33 mb = 1344.65 m = 4411.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 at 4 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 ---------------------------------------------------------- 0 937 742 250 1 0.9 0.3 | 49 3 -2.5 -2.2 1 925 828 235 1 0.8 0.6 | 53 3 -2.6 -2.0 2 850 1403 180 7 0.0 7.0 | 142 6 -3.4 4.5 3 700 2790 190 5 0.9 4.9 | 133 4 -2.6 2.4 4 500 5150 215 7 4.0 5.7 | 190 3 0.6 3.2 5 400 6630 230 5 3.8 3.2 | 210 1 0.4 0.7 6 300 8480 215 11 6.3 9.0 | 204 7 2.9 6.5 7 287 8759 215 11 6.3 9.0 | 204 7 2.9 6.5 8 250 9630 225 11 7.8 7.8 | 220 7 4.3 5.2 9 200 11030 205 19 8.0 17.2 | 197 15 4.6 14.7 10 150 12850 200 25 8.6 23.5 | 194 22 5.1 20.9 11 100 15420 195 36 9.3 34.8 | 190 33 5.9 32.2 12 70 17670 190 46 8.0 45.3 | 186 43 4.5 42.8 13 50 19820 200 68 23.3 63.9 | 198 64 19.8 61.4 14 30 23150 210 103 51.5 89.2 | 209 99 48.1 86.7 15 20 25810 215 145 83.2 118.8 | 214 141 79.7 116.2 Wind Parameters Mean winds (0-6000m): 203.6 at 5.7 knts Storm direction: 233.6 at 4.3 knts Shear (0-3000m) pos: 0.3 neg: 1.1 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 3.1 neg: -0.9 tot: 2.2 m^2/s^2 ave: 0.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 55.01 Bulk Shear: 1.14 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 ------------------------------------------------------------------------------- 500 204 3 90 2| 0.0 4.9 4.9| 1.9 0.0 1.9 3.9 0.68| 5.3 3.6 1000 185 5 123 4| 0.0 3.2 3.2| 2.1 -0.3 1.8 1.8 0.43| 4.1 1.7 1500 184 5 130 4| 0.3 2.1 2.4| 2.1 -0.5 1.5 1.0 0.36| 3.0 1.1 2000 185 5 131 4| 0.4 1.6 2.0| 2.1 -0.9 1.1 0.6 0.30| 2.5 0.7 2500 186 5 132 4| 0.3 1.3 1.6| 2.5 -0.9 1.6 0.6 0.33| 2.1 0.7 3000 188 5 135 4| 0.3 1.1 1.4| 3.1 -0.9 2.2 0.7 0.37| 1.9 0.7 4000 194 6 142 4| 0.4 0.8 1.2| 4.3 -0.9 3.4 0.9 0.44| 1.6 0.7 5000 199 6 151 3| 0.4 0.6 1.1| 5.0 -0.9 4.1 0.8 0.46| 1.4 0.7 6000 204 6 157 3| 0.4 0.5 0.9| 5.2 -0.9 4.3 0.7 0.43| 1.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251126.00.gif