UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 28 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1000 48 5.2 4.9 98 0.3 5.1 135 3 278.4 279.3 278.2 293.1 5.43 1 942 534 1.8 -0.0 88 1.8 1.0 173 8 279.7 280.4 277.1 290.9 4.06 2 925 682 4.0 2.2 88 1.8 3.1 185 9 283.4 284.2 280.0 296.9 4.85 3 873 1153 8.2 -0.8 53 9.0 3.9 199 9 292.5 293.2 283.2 304.6 4.13 4 850 1372 6.6 -3.4 49 10.0 2.1 205 9 293.1 293.7 282.7 303.4 3.50 5 775 2121 2.4 -16.6 23 19.0 -3.8 184 10 296.4 296.6 281.6 300.6 1.35 6 700 2936 -0.9 -30.9 8 30.0 -7.8 160 11 301.5 301.6 282.5 302.9 0.42 7 633 3734 -4.5 -35.5 7 31.0 -10.8 167 15 306.2 306.2 284.2 307.2 0.29 8 500 5540 -19.9 -47.9 6 28.0 -22.8 185 25 308.8 308.8 285.0 309.1 0.10 9 440 6472 -28.1 -49.1 12 21.0 -29.7 194 27 309.9 309.9 285.4 310.3 0.10 10 400 7150 -32.3 -46.3 24 14.0 -33.4 200 29 313.0 313.0 286.6 313.6 0.15 11 309 8915 -45.7 -51.7 51 6.0 -45.9 209 31 318.2 318.3 288.3 318.6 0.10 12 300 9110 -48.1 -54.1 50 6.0 -48.3 210 31 317.6 317.6 288.1 317.9 0.08 13 296 9199 -48.9 -54.9 50 6.0 -49.1 210 31 317.6 317.7 288.1 317.9 0.07 14 250 10290 -58.5 -63.5 52 5.0 -58.6 205 35 319.1 319.1 288.5 319.2 0.03 15 240 10545 -60.7 -65.7 52 5.0 -60.7 210 35 319.5 319.5 288.6 319.6 0.02 16 208 11449 -54.7 -59.7 54 5.0 -54.8 237 32 342.3 342.3 294.9 342.5 0.06 17 200 11700 -54.3 -60.3 48 6.0 -54.5 245 31 346.8 346.8 296.0 347.0 0.06 18 150 13550 -51.3 -61.3 29 10.0 -51.7 260 29 381.7 381.7 302.6 382.0 0.07 19 144 13816 -50.5 -60.5 30 10.0 -51.0 260 29 387.6 387.6 303.5 387.9 0.08 20 100 16180 -52.7 -68.7 13 16.0 -53.3 260 33 425.9 425.9 308.4 426.1 0.04 21 95 16511 -53.7 -69.7 12 16.0 -54.3 261 32 430.2 430.2 308.9 430.4 0.03 22 70 18470 -54.9 -73.9 8 19.0 -55.6 270 25 466.9 466.9 312.4 467.1 0.02 23 67 18749 -54.3 -74.3 7 20.0 -55.1 267 23 474.1 474.1 313.0 474.3 0.02 24 50 20610 -55.7 -75.7 7 20.0 -56.6 245 13 512.2 512.2 315.8 512.4 0.03 25 36 22700 -56.9 -77.9 5 21.0 -58.0 251 12 559.6 559.6 318.6 559.7 0.03 26 31 23658 -52.1 -75.1 5 23.0 -54.1 254 11 597.0 597.0 320.5 597.3 0.05 27 30 23870 -53.9 -76.9 4 23.0 -55.6 255 11 597.7 597.7 320.5 598.0 0.04 28 26 24786 -54.7 -77.7 4 23.0 -56.5 262 9 620.4 620.4 321.5 620.7 0.04 29 20 26480 -50.5 -74.5 4 24.0 -53.7 275 5 681.6 681.6 323.9 682.3 0.08 30 14 28827 -48.1 -72.1 5 24.0 -53.0 2 5 762.9 763.0 326.3 764.5 0.16 31 11 30443 -41.9 -66.9 5 25.0 -50.2 62 5 839.9 840.2 328.2 844.4 0.43 32 10 31090 -42.1 -67.1 5 25.0 -50.7 85 5 862.4 862.6 328.8 867.4 0.46 33 9.1 31727 -42.9 -67.9 5 25.0 -51.5 882.9 883.1 329.2 887.9 0.45 TRP 240 10545 -60.7 -65.7 52 5.0 -60.7 210 35 319.5 319.5 288.6 319.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5492.26 m Freezing level: 720.45 mb = 2713.82 m = 8903.49 ft Wetbulb zero: 823.02 mb = 1633.69 m = 5359.81 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 28.58 % Est. max temperature: 19.91 C = 67.84 F Sfc-Lift cond lev (LCL): 995.34 mb = 85.75 m = 281.33 ft T: 4.93 C 700-500 lapse rate: 7.30 C/km ThetaE index: 3.97 C Layer 850.0- 700.0 mb Conv cond level (CCL): 942.00 mb = 534.10 m = 1752.29 ft Mean mixing ratio: 4.67 g/kg Conv temperature: 6.68 C = 44.03 F Cap Strength: 14.29 C Lifted Index: 13.27 C Risk: None Lifted Index @300 mb: 16.68 C Lifted Index @700 mb: 12.06 C Showalter Index: 6.74 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 16.50 C K Index: -6.90 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 1.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.51 J/kg Max Up Vert Vel: 8.55 m/s Conv Inhibition (B-): 66153.87 J/kg Cap Strength: 14.25 C Lift Cond Lev (LCL): 923.26 mb = 697.31 m = 2287.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 211 at 11 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 1000 48 135 3 -2.1 2.1 | 47 10 -7.6 -7.2 1 1000 50 135 3 -2.1 2.1 | 47 10 -7.6 -7.2 2 925 682 185 9 0.8 9.0 | 86 5 -4.7 -0.3 3 850 1372 205 9 3.8 8.2 | 56 2 -1.7 -1.1 4 700 2936 160 11 -3.8 10.3 | 96 9 -9.2 1.1 5 500 5540 185 25 2.2 24.9 | 168 16 -3.3 15.6 6 400 7150 200 29 9.9 27.3 | 194 19 4.4 18.0 7 300 9110 210 31 15.5 26.8 | 210 20 10.0 17.6 8 250 10290 205 35 14.8 31.7 | 203 24 9.3 22.4 9 240 10545 210 35 17.5 30.3 | 210 24 12.0 21.0 10 200 11700 245 31 28.1 13.1 | 260 23 22.6 3.8 11 150 13550 260 29 28.6 5.0 | 280 23 23.1 -4.2 12 100 16180 260 33 32.5 5.7 | 277 27 27.0 -3.6 13 70 18470 270 25 25.0 -0.0 | 295 22 19.5 -9.3 14 50 20610 245 13 11.8 5.5 | 301 7 6.3 -3.8 15 30 23870 255 11 10.6 2.8 | 321 8 5.2 -6.4 16 20 26480 275 5 5.0 -0.4 | 3 10 -0.5 -9.7 17 10 31090 85 5 -5.0 -0.4 | 47 14 -10.5 -9.7 Wind Parameters Mean winds (0-6000m): 180.5 at 14.4 knts Storm direction: 210.5 at 10.8 knts Shear (0-3000m) pos: 1.4 neg: 1.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 53.7 deg Storm rel helicity (0-3000m) pos: 14.6 neg: -1.6 tot: 13.0 m^2/s^2 ave: 4.3 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.14 Bulk Shear: 11.61 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 ------------------------------------------------------------------------------- 500 164 5 59 8| 5.9 0.0 5.9| 10.2 0.0 10.2 20.4 0.73| 6.2 4.5 1000 181 7 67 6| 4.1 0.0 4.1| 11.6 -0.4 11.2 11.2 0.51| 5.0 2.5 1500 189 8 69 5| 2.9 0.0 2.9| 12.0 -1.0 11.0 7.3 0.40| 4.0 1.6 2000 190 8 73 4| 2.2 0.6 2.8| 13.0 -1.0 12.0 6.0 0.41| 3.7 1.5 2500 187 9 80 5| 1.7 1.0 2.8| 13.2 -1.0 12.2 4.9 0.36| 3.5 1.2 3000 182 9 86 5| 1.4 1.2 2.7| 14.6 -1.6 13.0 4.3 0.32| 3.4 1.1 4000 177 10 99 6| 1.8 0.9 2.7| 29.7 -1.6 28.0 7.0 0.47| 3.3 1.5 5000 177 12 116 7| 2.1 0.7 2.8| 48.0 -1.6 46.4 9.3 0.55| 3.3 1.8 6000 181 14 134 7| 2.2 0.6 2.8| 69.1 -1.6 67.4 11.2 0.60| 3.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250428.00.gif