UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 22 APR 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 1015 79 -4.7 -6.6 87 1.9 -5.3 290 1 267.3 267.7 267.0 273.5 2.29 1 1000 196 -4.5 -7.2 81 2.7 -5.4 295 3 268.6 269.0 267.8 274.7 2.22 2 990 275 -4.1 -7.0 80 2.9 -5.0 296 4 269.8 270.2 268.7 276.0 2.28 3 925 806 -8.7 -10.5 87 1.8 -9.2 305 13 270.4 270.7 268.4 275.5 1.85 4 873 1257 -8.7 -13.1 70 4.4 -9.9 308 20 274.9 275.2 270.8 279.4 1.59 5 850 1465 -10.1 -15.1 67 5.0 -11.3 310 23 275.6 275.8 270.9 279.5 1.39 6 741 2505 -15.7 -23.7 50 8.0 -17.2 314 30 280.5 280.6 272.8 282.8 0.76 7 700 2931 -16.9 -28.9 35 12.0 -18.8 315 33 283.8 283.9 274.2 285.3 0.50 8 690 3039 -17.7 -33.7 23 16.0 -19.8 315 34 284.1 284.1 274.0 285.1 0.32 9 654 3443 -15.1 -39.1 11 24.0 -18.2 315 38 291.4 291.4 277.7 292.0 0.20 10 608 3993 -17.9 -28.9 38 11.0 -19.8 315 43 294.3 294.4 279.6 296.2 0.58 11 562 4580 -20.1 -34.1 28 14.0 -22.1 315 48 298.4 298.5 281.2 299.7 0.38 12 513 5253 -23.9 -41.9 17 18.0 -25.8 315 54 301.7 301.7 282.3 302.3 0.19 13 500 5440 -25.3 -39.3 26 14.0 -26.8 315 56 302.2 302.2 282.6 303.1 0.25 14 422 6647 -32.1 -40.1 45 8.0 -32.9 315 64 308.5 308.6 285.1 309.5 0.28 15 400 7020 -35.3 -42.3 49 7.0 -35.8 315 66 309.1 309.2 285.3 309.9 0.23 16 378 7412 -39.7 -44.7 59 5.0 -40.0 316 70 308.3 308.4 284.9 309.0 0.19 17 300 8960 -50.7 -58.7 38 8.0 -50.9 320 87 313.9 313.9 286.8 314.1 0.05 18 271 9622 -54.0 -65.2 24 11.2 -54.2 325 91 318.3 318.3 288.2 318.4 0.02 19 264 9790 -54.9 -66.9 21 12.0 -55.1 320 87 319.4 319.4 288.6 319.5 0.02 20 250 10140 -55.5 -67.5 21 12.0 -55.6 315 83 323.6 323.6 289.9 323.6 0.02 21 222 10895 -56.9 -70.9 15 14.0 -57.1 315 78 332.6 332.6 292.4 332.6 0.01 22 200 11560 -54.7 -69.7 14 15.0 -54.9 315 73 346.1 346.1 295.8 346.2 0.02 23 190 11888 -52.9 -69.9 11 17.0 -53.2 314 71 354.2 354.2 297.5 354.2 0.02 24 150 13410 -51.9 -71.9 7 20.0 -52.4 310 60 380.6 380.6 302.3 380.7 0.02 25 100 16040 -51.7 -74.7 5 23.0 -52.4 305 48 427.8 427.8 308.6 427.9 0.02 26 86 17013 -52.1 -75.1 5 23.0 -52.9 303 45 445.9 445.9 310.5 446.0 0.02 27 70 18340 -52.5 -75.5 5 23.0 -53.5 300 42 472.1 472.1 312.8 472.2 0.02 28 50 20500 -52.9 -75.9 5 23.0 -54.1 290 36 518.8 518.8 316.2 519.0 0.03 29 39 22108 -53.9 -76.9 4 23.0 -55.3 280 33 554.5 554.5 318.3 554.7 0.03 30 30 23810 -51.1 -74.1 5 23.0 -53.3 270 29 605.3 605.4 320.9 605.7 0.06 31 21 26132 -50.5 -73.5 5 23.0 -53.6 252 22 672.2 672.2 323.5 672.9 0.09 32 20 26450 -50.1 -73.1 5 23.0 -53.4 250 21 682.8 682.9 323.9 683.6 0.10 33 19 26787 -48.9 -73.9 4 25.0 -52.7 248 21 696.6 696.7 324.3 697.4 0.09 34 17 27518 -50.7 -74.7 4 24.0 -54.2 244 20 713.4 713.4 324.8 714.2 0.09 35 10 31040 -43.7 -67.7 5 24.0 -51.5 225 17 856.4 856.6 328.6 860.9 0.42 36 9.2 31603 -41.5 -65.5 6 24.0 -50.6 885.5 885.8 329.2 892.4 0.62 TRP 264 9790 -54.9 -66.9 21 12.0 -55.1 320 87 319.4 319.4 288.6 319.5 0.02 WND 271 9622 -54.0 -65.2 24 11.2 -54.2 325 91 318.3 318.3 288.2 318.4 0.02 Sounding variables and indices 1000-500 mb thick: 5244.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 46.37 % Est. max temperature: 3.17 C = 37.71 F Sfc-Lift cond lev (LCL): 984.84 mb = 316.01 m = 1036.77 ft T: -4.45 C 700-500 lapse rate: 3.35 C/km ThetaE index: 0.51 C Layer 925.0- 873.0 mb Conv cond level (CCL): 850.00 mb = 1465.00 m = 4806.37 ft Mean mixing ratio: 2.09 g/kg Conv temperature: 3.60 C = 38.47 F Cap Strength: 21.96 C Lifted Index: 22.17 C Risk: None Lifted Index @300 mb: 27.21 C Lifted Index @700 mb: 9.21 C Showalter Index: 18.98 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 10.20 C K Index: -11.90 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 4.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.43 J/kg Max Up Vert Vel: 4.34 m/s Conv Inhibition (B-): 64158.71 J/kg Cap Strength: 22.04 C Lift Cond Lev (LCL): 928.84 mb = 773.58 m = 2537.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 344 at 26 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 1015 79 290 1 0.9 -0.3 | 166 25 -6.3 24.7 1 1000 196 295 3 2.7 -1.3 | 169 24 -4.5 23.7 2 925 806 305 13 10.6 -7.5 | 191 18 3.4 17.5 3 850 1465 310 23 17.6 -14.8 | 226 15 10.4 10.2 4 700 2931 315 33 23.3 -23.3 | 264 16 16.1 1.7 5 500 5440 315 56 39.6 -39.6 | 294 36 32.4 -14.6 6 400 7020 315 66 46.7 -46.7 | 299 45 39.5 -21.7 7 300 8960 320 87 55.9 -66.6 | 311 64 48.7 -41.7 8 271 9622 325 91 52.2 -74.5 | 318 67 45.0 -49.6 9 264 9790 320 87 55.9 -66.6 | 311 64 48.7 -41.7 10 250 10140 315 83 58.7 -58.7 | 303 62 51.5 -33.7 11 200 11560 315 73 51.6 -51.6 | 301 52 44.4 -26.6 12 150 13410 310 60 46.0 -38.6 | 289 41 38.8 -13.6 13 100 16040 305 48 39.3 -27.5 | 275 32 32.1 -2.5 14 70 18340 300 42 36.4 -21.0 | 262 29 29.2 4.0 15 50 20500 290 36 33.8 -12.3 | 245 29 26.6 12.7 16 30 23810 270 29 29.0 -0.0 | 221 33 21.8 25.0 17 20 26450 250 21 19.7 7.2 | 201 35 12.5 32.2 18 10 31040 225 17 12.0 12.0 | 187 37 4.8 37.0 Wind Parameters Mean winds (0-6000m): 313.9 at 34.7 knts Storm direction: 343.9 at 26.0 knts Shear (0-3000m) pos: 5.7 neg: 0.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 101.9 deg Storm rel helicity (0-3000m) pos: 138.2 neg: 0.0 tot: 138.2 m^2/s^2 ave: 46.1 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 116.82 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 ------------------------------------------------------------------------------- 500 299 5 173 23| 8.5 0.0 8.5| 38.9 0.0 38.9 77.9 0.78| 8.6 6.6 1000 304 9 181 20| 8.3 0.0 8.3| 70.8 0.0 70.8 70.8 0.81| 8.4 6.8 1500 307 13 191 17| 7.8 0.0 7.8| 96.9 0.0 96.9 64.6 0.86| 7.9 6.8 2000 309 16 200 16| 6.8 0.0 6.8|110.3 0.0 110.3 55.1 0.88| 6.8 6.0 2500 310 19 209 15| 6.1 0.0 6.1|123.9 0.0 123.9 49.6 0.89| 6.2 5.5 3000 311 21 218 14| 5.7 0.0 5.7|138.2 0.0 138.2 46.1 0.89| 5.8 5.2 4000 313 25 236 14| 4.3 1.2 5.5|168.7 0.0 168.7 42.2 0.83| 5.5 4.6 5000 313 30 254 15| 3.4 1.9 5.3|199.2 0.0 199.2 39.8 0.76| 5.4 4.1 6000 314 35 267 18| 2.9 2.2 5.1|223.7 0.0 223.7 37.3 0.71| 5.1 3.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250422.00.gif