UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011200.upa.cvt Date: 0000Z 12 JAN 26 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 12 JAN 26 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 97 150 15 SFC 991 169 -2.9 -4.4 89 1.5 -3.4 150 15 270.9 271.4 270.2 278.5 2.78 2 939 594 -4.7 -6.7 86 2.0 -5.4 154 33 273.3 273.7 271.2 280.1 2.46 3 925 712 -4.1 -5.9 87 1.8 -4.7 155 38 275.1 275.6 272.6 282.5 2.66 4 906 876 -2.3 -3.9 89 1.6 -2.9 166 39 278.6 279.1 275.3 287.4 3.16 5 891 1009 0.2 -1.6 88 1.8 -0.6 175 40 282.5 283.2 278.3 293.2 3.81 6 850 1386 -1.3 -3.4 86 2.1 -2.1 200 42 284.8 285.4 279.0 294.7 3.50 7 836 1518 -1.1 -3.3 85 2.2 -2.0 202 41 286.4 287.0 279.8 296.6 3.58 8 700 2913 -9.1 -11.2 85 2.1 -9.8 220 29 292.4 292.8 281.0 299.4 2.32 9 579 4354 -18.7 -20.8 83 2.1 -19.2 220 40 297.5 297.7 282.0 301.5 1.26 10 500 5430 -26.9 -30.1 74 3.2 -27.3 220 48 300.2 300.4 282.3 302.3 0.63 11 448 6209 -33.3 -37.2 68 3.9 -33.7 220 53 301.8 301.8 282.5 303.0 0.35 12 400 6990 -40.9 -44.9 65 4.0 -41.1 220 58 301.8 301.9 282.4 302.4 0.17 13 393 7110 -41.9 -46.2 63 4.3 -42.1 221 59 302.1 302.1 282.4 302.6 0.15 14 328 8298 -55.7 -59.8 60 4.1 -55.8 234 70 299.1 299.1 281.0 299.2 0.04 15 306 8736 -59.3 -63.6 57 4.3 -59.3 239 74 300.0 300.1 281.4 300.1 0.02 16 300 8860 -60.3 -64.5 58 4.2 -60.3 240 75 300.3 300.3 281.5 300.4 0.02 17 298 8901 -62.3 -66.6 56 4.3 -62.3 240 75 298.1 298.1 280.5 298.2 0.02 18 286 9154 -64.2 -68.5 55 4.3 -64.2 240 75 298.9 298.9 280.9 299.0 0.01 19 265 9616 -67.7 -72.0 54 4.3 -67.7 235 66 300.4 300.4 281.5 300.4 0.01 20 256 9825 -64.7 -69.0 55 4.3 -64.7 232 65 307.8 307.8 284.5 307.8 0.01 21 250 9970 -64.3 -68.7 55 4.4 -64.3 230 64 310.5 310.5 285.5 310.5 0.01 22 234 10378 -60.5 -64.7 58 4.2 -60.6 227 57 322.2 322.2 289.5 322.3 0.03 23 200 11360 -57.9 -62.5 56 4.6 -58.0 220 42 341.1 341.1 294.6 341.3 0.04 24 186 11817 -57.7 -62.3 56 4.6 -57.8 223 40 348.6 348.6 296.4 348.8 0.05 25 165 12566 -61.1 -65.6 55 4.5 -61.2 227 37 355.0 355.0 297.7 355.2 0.03 26 150 13160 -59.1 -64.0 53 4.9 -59.2 230 35 368.3 368.3 300.3 368.5 0.05 27 144 13416 -57.5 -62.5 53 5.0 -57.6 230 36 375.4 375.4 301.5 375.6 0.06 28 100 15700 -60.3 -66.3 45 6.0 -60.4 230 48 411.2 411.2 306.7 411.5 0.05 29 70 17900 -64.5 -70.5 43 6.0 -64.6 230 56 446.4 446.4 310.6 446.6 0.04 30 56 19255 -67.1 -73.1 42 6.0 -67.2 237 64 469.9 469.9 312.7 470.1 0.03 31 50 19940 -66.3 -72.3 43 6.0 -66.5 240 68 487.2 487.3 314.0 487.5 0.04 32 42 20997 -66.1 -72.1 43 6.0 -66.3 512.7 512.7 315.8 513.0 0.05 TRP 265 9616 -67.7 -72.0 54 4.3 -67.7 235 66 300.4 300.4 281.5 300.4 0.01 WND 286 9154 -64.2 -68.5 55 4.3 -64.2 240 75 298.9 298.9 280.9 299.0 0.01 Sounding variables and indices 1000-500 mb thick: 5333.00 m Freezing level: Surface below freezing Freezing level: 892.20 mb = 998.82 m = 3276.94 ft Freezing level: 885.53 mb = 1059.68 m = 3476.60 ft Wetbulb zero: Below ground Precipitable water: 0.49 inches Sfc-500 mean rel hum: 83.91 % Est. max temperature: 11.90 C = 53.42 F Sfc-Lift cond lev (LCL): 967.75 mb = 355.85 m = 1167.46 ft T: -3.69 C 700-500 lapse rate: 7.07 C/km Conv cond level (CCL): 705.84 mb = 2847.70 m = 9342.72 ft Mean mixing ratio: 2.80 g/kg Conv temperature: 18.22 C = 64.80 F Cap Strength: 14.03 C Lifted Index: 15.15 C Risk: None Lifted Index @300 mb: 12.75 C Lifted Index @700 mb: 11.80 C Showalter Index: 5.80 C Risk: None Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.50 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 201.75 Risk: None Energy Index: 1.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.94 J/kg Max Up Vert Vel: 9.05 m/s Conv Inhibition (B-): 33772.38 J/kg Cap Strength: 15.06 C Lift Cond Lev (LCL): 914.98 mb = 798.18 m = 2618.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 at 29 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 ---------------------------------------------------------- 0 991 169 150 15 -7.5 13.0 | 87 32 -32.3 -1.6 1 925 712 155 38 -16.1 34.4 | 116 45 -40.9 19.8 2 850 1386 200 42 14.4 39.5 | 157 27 -10.4 24.9 3 700 2913 220 29 18.6 22.2 | 141 10 -6.2 7.6 4 500 5430 220 48 30.9 36.8 | 195 23 6.1 22.2 5 400 6990 220 58 37.3 44.4 | 203 32 12.5 29.8 6 300 8860 240 75 65.0 37.5 | 240 46 40.2 22.9 7 286 9154 240 75 65.0 37.5 | 240 46 40.2 22.9 8 265 9616 235 66 54.1 37.9 | 232 37 29.3 23.3 9 250 9970 230 64 49.0 41.1 | 222 36 24.2 26.5 10 200 11360 220 42 27.0 32.2 | 187 18 2.2 17.6 11 150 13160 230 35 26.8 22.5 | 194 8 2.0 7.9 12 100 15700 230 48 36.8 30.9 | 216 20 12.0 16.2 13 70 17900 230 56 42.9 36.0 | 220 28 18.1 21.4 14 50 19940 240 68 58.9 34.0 | 240 39 34.1 19.4 Wind Parameters Mean winds (0-6000m): 209.5 at 38.4 knts Storm direction: 239.5 at 28.8 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 442.5 neg: -12.6 tot: 429.9 m^2/s^2 ave: 143.3 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 12.5 stream: 7.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 0.30 Bulk Shear: 136.38 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 ------------------------------------------------------------------------------- 500 153 26 103 37| 21.9 0.0 21.9|174.6 0.0 174.6 349.2 0.83| 21.9 18.1 1000 163 32 115 38| 15.3 0.0 15.3|370.2 0.0 370.2 370.2 0.84| 22.3 18.6 1500 176 35 127 34| 11.3 0.0 11.3|438.4 0.0 438.4 292.3 0.78| 19.6 15.4 2000 185 36 134 30| 7.9 0.0 7.9|438.4 -2.4 436.0 218.0 0.70| 16.3 11.4 2500 190 35 137 27| 5.9 0.0 5.9|438.4 -9.1 429.2 171.7 0.62| 14.2 8.8 3000 194 34 139 25| 5.0 0.0 5.0|442.5 -12.6 429.9 143.3 0.59| 12.5 7.4 4000 201 34 145 22| 3.8 1.0 4.8|461.7 -12.6 449.1 112.3 0.61| 10.4 6.3 5000 206 36 153 20| 3.0 1.6 4.6|480.9 -12.6 468.3 93.7 0.60| 9.1 5.4 6000 210 38 163 20| 2.5 1.9 4.4|498.0 -12.6 485.3 80.9 0.59| 8.1 4.8 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20260112.00.gif