UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 20 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 -14 160 7 SFC 992 50 -2.7 -2.9 99 0.2 -2.8 160 7 271.1 271.6 270.8 279.5 3.11 2 925 601 -5.9 -6.3 97 0.4 -6.0 185 13 273.3 273.7 271.4 280.4 2.58 3 905 772 -6.9 -7.5 95 0.6 -7.1 195 14 274.0 274.4 271.5 280.6 2.40 4 879 999 -6.5 -6.9 97 0.4 -6.7 209 15 276.7 277.1 273.4 283.9 2.59 5 850 1261 -6.9 -7.2 98 0.3 -7.0 225 17 278.9 279.4 274.7 286.3 2.62 6 842 1335 -7.1 -7.1 100 0.0 -7.1 227 18 279.5 279.9 275.1 287.0 2.66 7 747 2264 -9.3 -9.3 100 0.0 -9.3 248 25 286.8 287.2 278.7 294.2 2.53 8 700 2767 -9.3 -9.3 100 0.0 -9.3 260 29 292.2 292.7 281.4 300.2 2.70 9 676 3037 -9.3 -9.3 100 0.0 -9.3 262 31 295.1 295.6 282.8 303.5 2.79 10 500 5300 -25.5 -27.7 82 2.2 -25.9 280 46 301.9 302.1 283.2 304.5 0.78 11 427 6432 -31.3 -34.1 76 2.8 -31.6 287 53 308.5 308.6 285.4 310.2 0.50 12 400 6890 -35.9 -39.3 71 3.4 -36.2 290 56 308.3 308.4 285.1 309.4 0.32 13 348 7840 -44.1 -48.4 62 4.3 -44.3 290 71 309.8 309.8 285.4 310.3 0.14 14 314 8522 -48.7 -53.4 58 4.7 -48.8 290 82 312.6 312.6 286.4 312.9 0.08 15 300 8820 -51.7 -56.5 56 4.8 -51.8 290 87 312.5 312.5 286.3 312.7 0.06 16 264 9629 -58.5 -64.4 46 5.9 -58.6 290 91 314.2 314.2 286.8 314.3 0.03 17 262 9677 -58.9 -64.9 46 6.0 -59.0 290 91 314.3 314.3 286.9 314.4 0.02 18 250 9970 -56.9 -62.9 47 6.0 -57.0 295 85 321.5 321.5 289.2 321.6 0.03 19 200 11400 -53.1 -61.1 37 8.0 -53.3 305 60 348.7 348.7 296.4 348.9 0.05 20 181 12047 -50.7 -58.7 38 8.0 -51.0 308 52 362.7 362.7 299.3 363.0 0.08 21 150 13270 -51.3 -60.3 33 9.0 -51.7 315 38 381.7 381.7 302.6 382.0 0.08 22 100 15890 -52.5 -62.5 29 10.0 -53.0 325 27 426.3 426.3 308.5 426.7 0.09 23 98 16020 -52.5 -62.5 29 10.0 -53.0 324 27 428.8 428.8 308.7 429.2 0.09 24 70 18190 -52.9 -62.9 29 10.0 -53.6 315 19 471.2 471.2 312.8 471.9 0.12 25 50 20370 -53.1 -63.1 29 10.0 -54.0 295 15 518.3 518.4 316.2 519.4 0.16 26 36 22485 -53.5 -63.5 28 10.0 -54.6 568.4 568.4 319.2 569.8 0.21 TRP 262 9677 -58.9 -64.9 46 6.0 -59.0 290 91 314.3 314.3 286.9 314.4 0.02 WND 264 9629 -58.5 -64.4 46 5.9 -58.6 290 91 314.2 314.2 286.8 314.3 0.03 Sounding variables and indices 1000-500 mb thick: 5314.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.50 inches Sfc-500 mean rel hum: 95.33 % Est. max temperature: 5.67 C = 42.21 F Sfc-Lift cond lev (LCL): 988.70 mb = 75.98 m = 249.27 ft T: -2.85 C 700-500 lapse rate: 6.40 C/km Conv cond level (CCL): 932.59 mb = 536.58 m = 1760.41 ft Mean mixing ratio: 2.71 g/kg Conv temperature: -0.75 C = 30.64 F Cap Strength: 15.35 C Lifted Index: 18.25 C Risk: None Lifted Index @300 mb: 22.87 C Lifted Index @700 mb: 13.18 C Showalter Index: 13.56 C Risk: None Total Totals Index: 36.90 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 18.30 C K Index: 11.40 Risk: None Sweat Index: 207.39 Risk: None Energy Index: 3.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.60 J/kg Max Up Vert Vel: 5.22 m/s Conv Inhibition (B-): 40075.12 J/kg Cap Strength: 18.14 C Lift Cond Lev (LCL): 935.56 mb = 511.50 m = 1678.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 23 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 ---------------------------------------------------------- 0 992 50 160 7 -2.4 6.6 | 125 28 -23.1 16.2 1 925 601 185 13 1.1 13.0 | 139 30 -19.5 22.6 2 850 1261 225 17 12.0 12.0 | 158 23 -8.6 21.7 3 700 2767 260 29 28.6 5.0 | 208 17 7.9 14.7 4 500 5300 280 46 45.3 -8.0 | 266 25 24.6 1.7 5 400 6890 290 56 52.6 -19.2 | 287 33 32.0 -9.5 6 300 8820 290 87 81.8 -29.8 | 288 64 61.1 -20.1 7 264 9629 290 91 85.5 -31.1 | 288 68 64.9 -21.5 8 262 9677 290 91 85.5 -31.1 | 288 68 64.9 -21.5 9 250 9970 295 85 77.0 -35.9 | 295 62 56.4 -26.3 10 200 11400 305 60 49.1 -34.4 | 311 38 28.5 -24.8 11 150 13270 315 38 26.9 -26.9 | 340 18 6.2 -17.2 12 100 15890 325 27 15.5 -22.1 | 23 13 -5.2 -12.5 13 70 18190 315 19 13.4 -13.4 | 62 8 -7.2 -3.8 14 50 20370 295 15 13.6 -6.3 | 115 8 -7.1 3.3 Wind Parameters Mean winds (0-6000m): 265.1 at 30.4 knts Storm direction: 295.1 at 22.8 knts Shear (0-3000m) pos: 5.7 neg: 0.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 221.4 neg: 0.0 tot: 221.4 m^2/s^2 ave: 73.8 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 6.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.10 Bulk Shear: 134.53 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 ------------------------------------------------------------------------------- 500 175 10 132 29| 6.8 0.0 6.8| 49.7 0.0 49.7 99.4 0.96| 6.9 6.6 1000 189 12 139 29| 6.5 0.0 6.5|102.0 0.0 102.0 102.0 0.91| 7.6 6.9 1500 204 14 146 27| 6.3 0.0 6.3|138.0 0.0 138.0 92.0 0.88| 7.4 6.6 2000 217 16 153 25| 6.0 0.0 6.0|168.6 0.0 168.6 84.3 0.89| 7.1 6.3 2500 228 18 160 23| 5.9 0.0 5.9|198.6 0.0 198.6 79.4 0.90| 7.0 6.3 3000 237 19 168 21| 5.7 0.0 5.7|221.4 0.0 221.4 73.8 0.91| 6.7 6.1 4000 249 23 183 18| 5.2 0.0 5.2|258.9 0.0 258.9 64.7 0.91| 6.1 5.6 5000 258 27 200 16| 4.9 0.0 4.9|302.9 0.0 302.9 60.6 0.91| 5.8 5.3 6000 265 30 218 16| 4.7 0.0 4.7|349.1 0.0 349.1 58.2 0.90| 5.6 5.0 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250420.00.gif