UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 17 OCT 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 138 140 3 SFC 996 171 8.0 -11.0 25 19.0 1.4 140 3 281.5 281.8 274.7 286.3 1.65 2 925 769 2.2 -13.8 29 16.0 -2.8 175 9 281.6 281.8 274.4 285.7 1.42 3 911 892 1.2 -12.8 34 14.0 -3.3 182 9 281.8 282.0 274.8 286.3 1.57 4 871 1252 -0.5 -6.5 64 6.0 -2.7 203 10 283.6 284.1 277.3 291.4 2.69 5 866 1298 0.0 -4.4 72 4.4 -1.7 206 11 284.6 285.2 278.5 293.7 3.18 6 850 1447 -1.3 -2.3 93 1.0 -1.7 215 11 284.8 285.4 279.3 295.6 3.80 7 822 1713 -3.3 213 13 285.4 8 783 2099 -2.7 211 17 290.0 9 725 2706 -5.9 -5.9 100 0.0 -5.9 207 22 293.0 293.6 282.6 303.0 3.39 10 700 2980 -7.9 -7.9 100 0.0 -7.9 205 25 293.7 294.3 282.5 302.7 3.01 11 599 4170 -17.3 193 29 296.2 12 589 4296 -19.9 -21.5 87 1.6 -20.3 192 29 294.6 294.9 280.6 298.3 1.16 13 568 4565 -20.7 -26.7 59 6.0 -21.8 189 30 296.8 296.9 281.0 299.2 0.76 14 522 5187 -23.5 -30.5 53 7.0 -24.6 183 32 300.7 300.8 282.4 302.6 0.58 15 500 5500 -26.1 -33.1 52 7.0 -27.1 180 33 301.2 301.3 282.5 302.8 0.47 16 447 6302 -32.3 -39.3 50 7.0 -32.9 177 37 303.2 303.3 283.1 304.2 0.28 17 400 7080 -36.5 -43.5 48 7.0 -37.0 175 40 307.6 307.6 284.7 308.3 0.20 18 300 9000 -51.1 -59.1 38 8.0 -51.3 180 46 313.3 313.3 286.6 313.5 0.04 19 287 9288 -52.5 -60.5 37 8.0 -52.7 175 48 315.3 315.3 287.2 315.5 0.04 20 250 10180 -52.7 -61.7 33 9.0 -52.9 180 38 327.7 327.7 291.1 327.9 0.04 21 200 11630 -50.1 -60.1 30 10.0 -50.4 225 25 353.4 353.4 297.4 353.7 0.06 22 199 11663 -49.9 -59.9 30 10.0 -50.3 225 25 354.3 354.3 297.6 354.5 0.06 23 150 13500 -53.1 -65.1 22 12.0 -53.5 250 21 378.6 378.6 302.1 378.8 0.04 24 100 16080 -57.5 -79.5 4 22.0 -57.9 265 17 416.6 416.6 307.3 416.7 0.01 25 70 18320 -60.3 -90.3 1 30.0 -60.7 280 17 455.4 455.4 311.4 455.4 0.00 26 51 20278 -62.7 -91.7 1 29.0 -63.1 275 28 492.9 492.9 314.4 492.9 0.00 27 50 20400 -62.3 -91.3 1 29.0 -62.7 275 29 496.7 496.7 314.7 496.7 0.00 28 30 23570 -62.1 -91.1 1 29.0 -62.8 290 21 575.3 575.3 319.5 575.4 0.00 29 23 25216 -62.1 -91.1 1 29.0 -63.0 283 21 620.8 620.8 321.5 620.8 0.00 30 20 26090 -57.7 -88.7 1 31.0 -59.4 280 21 659.6 659.6 323.0 659.6 0.01 31 14 28353 -55.3 -86.3 1 31.0 -58.1 283 27 738.5 738.5 325.6 738.7 0.02 32 10 30530 -49.1 -82.1 1 33.0 -54.9 285 33 836.3 836.3 328.1 836.7 0.05 33 8.4 31683 -45.5 -80.5 1 35.0 -53.7 893.1 893.2 329.3 893.9 0.07 34 7.5 32437 -46.9 -80.9 1 34.0 -54.8 916.9 916.9 329.8 917.7 0.08 35 6.8 33095 -40.9 -76.9 1 36.0 -52.4 968.0 968.1 330.7 969.8 0.16 TRP 287 9288 -52.5 -60.5 37 8.0 -52.7 175 48 315.3 315.3 287.2 315.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5362.00 m Freezing level: 882.76 mb = 1146.05 m = 3759.97 ft Freezing level: 866.00 mb = 1298.01 m = 4258.52 ft Freezing level: 866.00 mb = 1298.01 m = 4258.52 ft Wetbulb zero: 972.66 mb = 362.55 m = 1189.47 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 55.16 % Est. max temperature: 11.40 C = 52.51 F Sfc-Lift cond lev (LCL): 742.70 mb = 2515.58 m = 8253.11 ft T: -4.90 C 700-500 lapse rate: 7.22 C/km ThetaE index: 4.73 C Layer 700.0- 568.0 mb Conv cond level (CCL): 596.54 mb = 4200.98 m = 13782.59 ft Mean mixing ratio: 1.56 g/kg Conv temperature: 22.36 C = 72.24 F Cap Strength: 12.87 C Lifted Index: 13.02 C Risk: None Lifted Index @300 mb: 19.25 C Lifted Index @700 mb: 10.30 C Showalter Index: 5.99 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 23.80 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 55.00 Risk: None Energy Index: 1.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.38 J/kg Max Up Vert Vel: 2.18 m/s Conv Inhibition (B-): 65166.18 J/kg Cap Strength: 12.98 C Lift Cond Lev (LCL): 732.61 mb = 2623.44 m = 8606.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 222 at 17 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 ---------------------------------------------------------- 0 996 171 140 3 -1.9 2.3 | 52 17 -13.2 -10.3 1 925 769 175 9 -0.8 9.0 | 73 13 -12.1 -3.7 2 850 1447 215 11 6.3 9.0 | 54 6 -5.0 -3.6 3 700 2980 205 25 10.6 22.7 | 176 10 -0.8 10.0 4 500 5500 180 33 0.0 33.0 | 151 23 -11.3 20.4 5 400 7080 175 40 -3.5 39.8 | 151 31 -14.8 27.2 6 300 9000 180 46 0.0 46.0 | 161 35 -11.3 33.4 7 287 9288 175 48 -4.2 47.8 | 156 38 -15.5 35.2 8 250 10180 180 38 0.0 38.0 | 156 28 -11.3 25.4 9 200 11630 225 25 17.7 17.7 | 232 8 6.4 5.0 10 150 13500 250 21 19.7 7.2 | 303 10 8.4 -5.5 11 100 16080 265 17 16.9 1.5 | 333 12 5.6 -11.2 12 70 18320 280 17 16.7 -3.0 | 341 17 5.4 -15.6 13 50 20400 275 29 28.9 -2.5 | 311 23 17.6 -15.2 14 30 23570 290 21 19.7 -7.2 | 337 22 8.4 -19.8 15 20 26090 280 21 20.7 -3.6 | 330 19 9.4 -16.3 16 10 30530 285 33 31.9 -8.5 | 316 30 20.6 -21.2 Wind Parameters Mean winds (0-6000m): 191.8 at 22.6 knts Storm direction: 221.8 at 17.0 knts Shear (0-3000m) pos: 2.1 neg: 2.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 33.2 neg: -6.2 tot: 27.1 m^2/s^2 ave: 9.0 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 42.52 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 ------------------------------------------------------------------------------- 500 165 5 60 15| 5.8 0.0 5.8| 19.6 0.0 19.6 39.1 0.82| 5.9 4.9 1000 177 7 66 13| 4.6 0.0 4.6| 22.5 -1.6 20.9 20.9 0.44| 5.8 2.6 1500 192 9 66 10| 4.3 0.0 4.3| 23.9 -5.0 18.9 12.6 0.26| 5.6 1.4 2000 200 10 70 8| 3.2 1.2 4.4| 27.8 -5.0 22.7 11.4 0.40| 5.4 2.2 2500 202 12 79 7| 2.6 1.9 4.5| 31.4 -5.0 26.4 10.6 0.44| 5.3 2.3 3000 203 14 95 6| 2.1 2.2 4.4| 33.2 -6.2 27.1 9.0 0.39| 5.1 2.0 4000 201 17 126 6| 1.6 2.2 3.8| 33.2 -15.0 18.2 4.5 0.26| 4.5 1.2 5000 196 20 140 9| 1.3 2.2 3.5| 33.2 -29.8 3.4 0.7 0.15| 4.3 0.6 6000 192 23 145 12| 1.1 2.3 3.3| 34.6 -36.1 -1.5 -0.3 0.11| 4.0 0.5 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251017.12.gif