UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U2845... Searching the city database file for: U2845 ... Date:1200Z 28 OCT 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 -1 SFC 985 123 5.6 4.7 94 0.9 5.2 135 3 280.0 280.9 279.0 294.9 5.43 2 926 624 1.4 -0.9 85 2.3 0.4 155 17 280.7 281.3 277.4 291.4 3.86 3 925 633 1.2 -1.1 85 2.3 0.2 155 17 280.5 281.2 277.2 291.2 3.81 4 850 1308 -2.7 -4.8 85 2.1 -3.5 155 25 283.3 283.9 277.8 292.3 3.14 5 700 2826 -9.9 -12.7 80 2.8 -10.8 145 9 291.5 291.9 280.3 297.7 2.05 6 631 3620 -14.7 -17.8 77 3.1 -15.5 151 10 294.8 295.1 281.1 299.4 1.49 7 500 5340 -27.1 -30.5 73 3.4 -27.6 165 13 300.0 300.1 282.2 302.0 0.60 8 495 5412 -27.7 -31.3 71 3.6 -28.2 166 13 300.1 300.2 282.2 302.0 0.57 9 480 5632 -28.1 -31.9 70 3.8 -28.6 168 14 302.3 302.4 283.1 304.1 0.55 10 400 6910 -37.5 -42.0 63 4.5 -37.8 180 17 306.3 306.3 284.2 307.1 0.24 11 330 8214 -47.9 -52.5 59 4.6 -48.1 180 34 309.3 309.3 285.2 309.6 0.09 12 300 8840 -51.9 -56.7 56 4.8 -52.0 180 42 312.2 312.2 286.2 312.4 0.06 13 253 9925 -58.1 -63.1 53 5.0 -58.2 185 50 318.6 318.6 288.3 318.7 0.03 14 250 10000 -57.7 -62.7 53 5.0 -57.8 185 46 320.3 320.3 288.9 320.4 0.03 15 200 11420 -53.5 -59.5 48 6.0 -53.7 205 31 348.0 348.1 296.3 348.3 0.06 16 186 11890 -51.9 -58.9 43 7.0 -52.1 205 30 357.9 357.9 298.4 358.3 0.07 17 150 13280 -54.5 -63.5 32 9.0 -54.8 205 27 376.2 376.2 301.6 376.4 0.05 18 140 13718 -56.3 -65.3 31 9.0 -56.5 208 27 380.5 380.5 302.3 380.7 0.04 19 123 14538 -56.1 -66.1 27 10.0 -56.4 215 27 395.2 395.2 304.6 395.4 0.04 20 106 15481 -56.1 -67.1 24 11.0 -56.5 222 27 412.4 412.4 306.8 412.6 0.04 21 100 15850 -56.7 -67.7 24 11.0 -57.1 225 27 418.2 418.2 307.5 418.4 0.04 22 84 16951 -60.1 -71.1 22 11.0 -60.4 230 27 432.7 432.7 309.1 432.8 0.03 23 70 18090 -60.7 -71.7 22 11.0 -61.0 235 27 454.5 454.5 311.3 454.7 0.03 24 50 20160 -63.5 -74.5 21 11.0 -63.8 245 25 493.8 493.9 314.5 494.0 0.03 25 30 23270 -66.3 -78.3 17 12.0 -66.7 265 36 563.9 563.9 318.9 564.1 0.03 26 25 24372 -67.3 -78.3 20 11.0 -67.7 591.2 591.2 320.2 591.5 0.03 TRP 253 9925 -58.1 -63.1 53 5.0 -58.2 185 50 318.6 318.6 288.3 318.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5341.00 m Freezing level: 901.92 mb = 840.69 m = 2758.14 ft Wetbulb zero: 920.47 mb = 672.21 m = 2205.39 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 80.32 % Est. max temperature: 9.69 C = 49.45 F Sfc-Lift cond lev (LCL): 971.52 mb = 234.59 m = 769.64 ft T: 4.66 C 700-500 lapse rate: 6.84 C/km ThetaE index: 3.71 C Layer 926.0- 850.0 mb Conv cond level (CCL): 898.93 mb = 861.25 m = 2825.60 ft Mean mixing ratio: 4.22 g/kg Conv temperature: 7.12 C = 44.81 F Cap Strength: 5.38 C Lifted Index: 7.33 C Risk: None Lifted Index @300 mb: 14.06 C Lifted Index @700 mb: 4.14 C Showalter Index: 7.45 C Risk: None Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.30 C K Index: 16.80 Risk: < 20 % chance of thunderstorms Sweat Index: 63.00 Risk: None Energy Index: 2.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.09 J/kg Max Up Vert Vel: 3.76 m/s Conv Inhibition (B-): 40961.45 J/kg Cap Strength: 7.13 C Lift Cond Lev (LCL): 909.46 mb = 768.26 m = 2520.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 187 at 10 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 ---------------------------------------------------------- 0 985 123 135 3 -2.1 2.1 | 22 9 -3.3 -8.2 1 925 633 155 17 -7.2 15.4 | 121 10 -8.4 5.1 2 850 1308 155 25 -10.6 22.7 | 136 17 -11.8 12.3 3 700 2826 145 9 -5.2 7.4 | 65 7 -6.3 -3.0 4 500 5340 165 13 -3.4 12.6 | 116 5 -4.5 2.2 5 400 6910 180 17 0.0 17.0 | 170 7 -1.2 6.7 6 300 8840 180 42 0.0 42.0 | 178 32 -1.2 31.7 7 253 9925 185 50 4.4 49.8 | 185 40 3.2 39.5 8 250 10000 185 46 4.0 45.8 | 185 36 2.8 35.5 9 200 11420 205 31 13.1 28.1 | 214 21 11.9 17.7 10 150 13280 205 27 11.4 24.5 | 216 17 10.2 14.1 11 100 15850 225 27 19.1 19.1 | 244 20 17.9 8.7 12 70 18090 235 27 22.1 15.5 | 256 22 20.9 5.1 13 50 20160 245 25 22.7 10.6 | 269 21 21.5 0.2 14 30 23270 265 36 35.9 3.1 | 282 35 34.7 -7.2 Wind Parameters Mean winds (0-6000m): 156.5 at 13.9 knts Storm direction: 186.5 at 10.4 knts Shear (0-3000m) pos: 3.2 neg: 2.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 47.4 deg Storm rel helicity (0-3000m) pos: 40.6 neg: -33.4 tot: 7.2 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.12 Bulk Shear: 2.27 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 ------------------------------------------------------------------------------- 500 152 10 74 6| 14.3 0.0 14.3| 27.9 0.0 27.9 55.8 0.95| 14.7 13.9 1000 154 15 111 8| 10.3 0.0 10.3| 36.9 0.0 36.9 36.9 0.81| 10.5 8.4 1500 154 18 122 11| 6.9 0.5 7.3| 39.7 -7.8 31.9 21.3 0.59| 8.8 5.2 2000 154 18 122 11| 5.1 1.7 6.9| 39.7 -19.2 20.5 10.2 0.37| 8.0 3.0 2500 153 17 119 10| 4.1 2.4 6.6| 39.7 -29.5 10.2 4.1 0.19| 7.5 1.5 3000 153 16 115 9| 3.2 2.0 5.2| 40.6 -33.4 7.2 2.4 0.14| 6.7 0.9 4000 153 15 108 8| 2.6 1.5 4.1| 43.8 -33.4 10.4 2.6 0.18| 5.3 1.0 5000 154 14 107 8| 2.3 1.2 3.5| 47.0 -33.4 13.5 2.7 0.22| 4.5 1.0 6000 157 14 110 7| 2.1 1.0 3.1| 51.3 -33.4 17.9 3.0 0.27| 4.0 1.1 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251028.12.gif