UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050200.upa.cvt Date: 0000Z 2 MAY 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 2 MAY 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1007 76 8.2 -0.8 53 9.0 4.2 200 3 280.8 281.4 277.0 290.8 3.58 1 1000 134 8.4 -0.6 53 9.0 4.4 205 5 281.5 282.2 277.6 291.8 3.66 2 937 669 9.8 -3.2 40 13.0 4.1 213 10 288.3 288.8 280.3 297.6 3.22 3 925 775 9.0 -4.0 40 13.0 3.4 215 11 288.5 289.1 280.2 297.4 3.07 4 850 1471 2.8 -7.2 48 10.0 -1.1 225 17 289.1 289.5 279.9 296.8 2.62 5 834 1624 1.8 -7.2 51 9.0 -1.7 226 18 289.6 290.1 280.2 297.4 2.67 6 700 3000 -12.3 -13.2 93 0.9 -12.6 240 27 288.9 289.2 279.0 294.7 1.97 7 686 3154 -13.3 -14.1 94 0.8 -13.5 241 28 289.4 289.8 279.1 295.0 1.87 8 660 3448 -13.3 -18.1 67 4.8 -14.5 243 30 292.6 292.9 280.0 296.9 1.39 9 627 3837 -14.3 -23.3 46 9.0 -16.3 245 32 295.8 296.0 280.8 298.8 0.93 10 507 5410 -26.1 -30.6 66 4.5 -26.8 254 41 300.0 300.1 282.1 302.0 0.59 11 500 5510 -26.5 -31.5 63 5.0 -27.2 255 42 300.7 300.8 282.4 302.6 0.55 12 467 6001 -29.7 -38.7 41 9.0 -30.6 257 48 302.7 302.7 282.8 303.7 0.29 13 414 6851 -35.7 -39.1 71 3.4 -36.0 259 57 305.6 305.6 284.1 306.7 0.31 14 400 7090 -37.7 -41.3 69 3.6 -37.9 260 60 306.0 306.0 284.1 306.9 0.26 15 326 8476 -48.4 -54.4 50 6.0 -48.6 260 68 309.7 309.7 285.3 310.0 0.07 16 300 9020 -52.7 -59.7 42 7.0 -52.8 265 66 311.1 311.1 285.8 311.2 0.04 17 280 9463 -55.7 -62.7 41 7.0 -55.8 265 61 312.9 313.0 286.4 313.1 0.03 18 261 9909 -58.1 -65.1 40 7.0 -58.2 265 56 315.8 315.8 287.3 315.9 0.02 19 250 10180 -58.5 -66.5 35 8.0 -58.6 265 54 319.1 319.1 288.5 319.2 0.02 20 244 10332 -58.7 -66.7 35 8.0 -58.8 266 54 321.0 321.0 289.1 321.1 0.02 21 213 11193 -52.3 -63.3 25 11.0 -52.6 269 51 343.7 343.7 295.3 343.9 0.04 22 200 11600 -51.1 -64.1 20 13.0 -51.4 270 50 351.8 351.9 297.1 352.0 0.03 23 177 12399 -49.1 -66.1 12 17.0 -49.6 272 45 367.6 367.6 300.2 367.8 0.03 24 150 13480 -51.5 -71.5 7 20.0 -52.0 275 38 381.3 381.3 302.5 381.4 0.02 25 100 16120 -51.7 -73.7 5 22.0 -52.4 275 27 427.8 427.8 308.6 427.9 0.02 26 90 16805 -51.1 -73.1 6 22.0 -52.0 278 30 442.1 442.1 310.1 442.2 0.02 27 70 18440 -51.7 -73.7 5 22.0 -52.7 285 38 473.8 473.8 313.0 473.9 0.03 28 50 20620 -51.9 -74.9 5 23.0 -53.2 295 27 521.2 521.2 316.4 521.4 0.03 29 47 21021 -52.3 -74.3 5 22.0 -53.7 297 26 529.5 529.5 316.9 529.7 0.03 30 30 23940 -50.1 -73.1 5 23.0 -52.5 315 15 608.1 608.1 321.0 608.5 0.06 31 28 24391 -49.9 -72.9 5 23.0 -52.5 620.7 620.8 321.5 621.3 0.07 TRP 261 9909 -58.1 -65.1 40 7.0 -58.2 265 56 315.8 315.8 287.3 315.9 0.02 WND 326 8476 -48.4 -54.4 50 6.0 -48.6 260 68 309.7 309.7 285.3 310.0 0.07 Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: 816.89 mb = 1800.05 m = 5905.62 ft Wetbulb zero: 868.30 mb = 1295.70 m = 4250.94 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 59.82 % Est. max temperature: 16.46 C = 61.62 F Sfc-Lift cond lev (LCL): 877.22 mb = 1211.54 m = 3974.83 ft T: 5.11 C 700-500 lapse rate: 5.66 C/km ThetaE index: 2.71 C Layer 700.0- 686.0 mb Conv cond level (CCL): 761.70 mb = 2336.60 m = 7665.93 ft Mean mixing ratio: 3.33 g/kg Conv temperature: 16.75 C = 62.14 F Cap Strength: 5.32 C Lifted Index: 5.77 C Risk: None Lifted Index @300 mb: 11.21 C Lifted Index @700 mb: -0.07 C Showalter Index: 4.77 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 19.30 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 163.50 Risk: None Energy Index: 1.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.91 J/kg Max Up Vert Vel: 7.20 m/s Conv Inhibition (B-): 202.91 J/kg Cap Strength: 5.66 C Lift Cond Lev (LCL): 802.19 mb = 1929.81 m = 6331.33 ft Lev Free Conv (LFC): 697.19 mb = 3030.59 m = 9942.77 ft Equ Level (EL): 687.19 mb = 3140.65 m = 10303.85 ft B at Equ Level: 25.30 J/kg Max Parcel Lev (MPL): 647.19 mb = 3596.39 m = 11799.02 ft Wind level data Storm motion: 275 at 20 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 1007 76 200 3 1.0 2.8 | 103 20 -19.3 4.4 1 1000 134 205 5 2.1 4.5 | 109 19 -18.2 6.2 2 925 775 215 11 6.3 9.0 | 127 18 -14.0 10.6 3 850 1471 225 17 12.0 12.0 | 149 16 -8.3 13.6 4 700 3000 240 27 23.4 13.5 | 191 15 3.0 15.1 5 500 5510 255 42 40.6 10.9 | 238 24 20.2 12.5 6 400 7090 260 60 59.1 10.4 | 253 41 38.7 12.0 7 326 8476 260 68 67.0 11.8 | 254 49 46.6 13.4 8 300 9020 265 66 65.7 5.8 | 261 46 45.4 7.4 9 261 9909 265 56 55.8 4.9 | 260 36 35.4 6.5 10 250 10180 265 54 53.8 4.7 | 259 34 33.4 6.3 11 200 11600 270 50 50.0 -0.0 | 267 30 29.7 1.6 12 150 13480 275 38 37.9 -3.3 | 276 18 17.5 -1.7 13 100 16120 275 27 26.9 -2.4 | 276 7 6.5 -0.7 14 70 18440 285 38 36.7 -9.8 | 297 18 16.4 -8.2 15 50 20620 295 27 24.5 -11.4 | 337 11 4.1 -9.8 16 30 23940 315 15 10.6 -10.6 | 47 13 -9.7 -9.0 Wind Parameters Mean winds (0-6000m): 244.6 at 27.2 knts Storm direction: 274.6 at 20.4 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 90.2 deg Storm rel helicity (0-3000m) pos: 115.8 neg: 0.0 tot: 115.8 m^2/s^2 ave: 38.6 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 64.62 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 ------------------------------------------------------------------------------- 500 209 7 114 19| 6.4 0.0 6.4| 30.2 0.0 30.2 60.4 0.96| 6.4 6.2 1000 214 9 121 18| 5.6 0.0 5.6| 51.2 0.0 51.2 51.2 0.96| 5.6 5.4 1500 218 11 128 17| 5.2 0.0 5.2| 70.0 0.0 70.0 46.7 0.97| 5.3 5.1 2000 222 13 135 16| 4.7 0.0 4.7| 85.0 0.0 85.0 42.5 0.97| 4.9 4.8 2500 226 15 142 15| 4.5 0.0 4.5|100.3 0.0 100.3 40.1 0.98| 4.7 4.6 3000 230 17 150 15| 4.3 0.0 4.3|115.8 0.0 115.8 38.6 0.98| 4.6 4.5 4000 235 20 164 14| 4.0 0.0 4.0|143.4 0.0 143.4 35.9 0.97| 4.3 4.2 5000 240 24 181 13| 3.9 0.0 3.9|175.2 0.0 175.2 35.0 0.95| 4.2 4.0 6000 245 27 198 14| 4.0 0.0 4.0|211.7 0.0 211.7 35.3 0.87| 4.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250502.00.gif