UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 20 OCT 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 -34 120 15 SFC 993 22 1.6 0.0 89 1.6 0.9 120 15 275.3 275.9 274.5 285.8 3.85 2 980 128 0.4 -4.6 69 5.0 -1.4 131 16 275.1 275.6 272.8 282.8 2.77 3 925 589 -1.7 -4.2 83 2.5 -2.6 180 21 277.6 278.1 274.5 286.0 3.02 4 893 868 -3.7 -5.4 88 1.7 -4.3 184 18 278.3 278.8 274.7 286.3 2.86 5 850 1257 -5.9 -8.2 84 2.3 -6.7 190 13 280.0 280.4 275.0 286.8 2.42 6 792 1807 -8.7 -11.0 83 2.3 -9.4 192 12 282.7 283.0 276.0 288.7 2.08 7 700 2752 -15.3 -17.6 83 2.3 -15.9 195 11 285.5 285.8 276.5 289.6 1.37 8 692 2839 -15.9 -18.2 82 2.3 -16.4 194 11 285.8 286.0 276.5 289.8 1.32 9 564 4345 -26.5 -28.8 81 2.3 -26.8 182 16 290.5 290.7 277.9 292.5 0.63 10 500 5200 -34.1 -36.6 78 2.5 -34.3 175 19 291.5 291.5 277.9 292.6 0.33 11 447 5973 -41.5 -44.0 77 2.5 -41.6 175 23 291.6 291.7 277.7 292.2 0.17 12 400 6720 -46.3 -48.9 75 2.6 -46.4 175 27 294.8 294.8 279.2 295.2 0.11 13 360 7412 -52.3 -55.1 72 2.8 -52.4 182 27 295.8 295.8 279.6 296.0 0.06 14 323 8109 -55.9 -59.0 68 3.1 -55.9 190 27 300.1 300.2 281.4 300.3 0.04 15 312 8330 -55.9 -59.1 67 3.2 -55.9 197 28 303.1 303.1 282.7 303.3 0.04 16 300 8580 -54.9 -58.2 67 3.3 -54.9 205 29 308.0 308.0 284.6 308.1 0.05 17 250 9760 -51.1 -54.5 67 3.4 -51.2 220 23 330.1 330.1 291.9 330.5 0.09 18 214 10769 -48.7 -53.2 59 4.5 -48.9 234 22 348.8 348.9 296.5 349.4 0.13 19 200 11210 -49.1 -53.9 57 4.8 -49.3 240 21 355.0 355.0 297.8 355.6 0.13 20 158 12759 -48.1 -54.1 50 6.0 -48.5 244 21 381.5 381.5 302.6 382.2 0.15 21 150 13100 -49.1 -56.1 44 7.0 -49.5 245 21 385.5 385.5 303.2 386.1 0.13 22 100 15730 -54.9 -63.9 32 9.0 -55.3 260 15 421.7 421.7 307.9 422.0 0.07 23 88 16545 -56.9 -65.9 31 9.0 -57.2 258 16 433.3 433.4 309.2 433.7 0.06 24 70 17990 -58.9 -68.9 26 10.0 -59.3 255 17 458.4 458.4 311.7 458.7 0.05 25 50 20080 -62.1 -72.1 25 10.0 -62.4 240 15 497.1 497.2 314.8 497.4 0.05 26 45 20726 -64.7 -74.7 24 10.0 -65.0 239 17 506.0 506.0 315.4 506.3 0.03 27 33 22620 -63.9 -73.9 24 10.0 -64.3 236 23 555.1 555.1 318.4 555.5 0.05 28 30 23200 -66.5 -77.5 20 11.0 -66.8 235 25 563.4 563.4 318.8 563.6 0.03 29 27 23837 -66.9 -77.9 20 11.0 -67.2 579.5 579.5 319.6 579.7 0.03 30 23 24806 -66.7 -77.7 20 11.0 -67.1 607.2 607.3 320.9 607.5 0.04 TRP 323 8109 -55.9 -59.0 68 3.1 -55.9 190 27 300.1 300.2 281.4 300.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5234.00 m Freezing level: 969.52 mb = 216.02 m = 708.70 ft Wetbulb zero: 987.92 mb = 63.69 m = 208.95 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 81.69 % Est. max temperature: 6.57 C = 43.83 F Sfc-Lift cond lev (LCL): 968.52 mb = 222.29 m = 729.30 ft T: -0.03 C 700-500 lapse rate: 7.68 C/km ThetaE index: 3.00 C Layer 980.0- 925.0 mb Conv cond level (CCL): 858.06 mb = 1182.67 m = 3880.09 ft Mean mixing ratio: 2.96 g/kg Conv temperature: 5.94 C = 42.69 F Cap Strength: 5.94 C Lifted Index: 5.96 C Risk: None Lifted Index @300 mb: 16.33 C Lifted Index @700 mb: 3.78 C Showalter Index: 4.49 C Risk: None Total Totals Index: 54.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 25.90 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 147.00 Risk: None Energy Index: 1.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.20 J/kg Max Up Vert Vel: 4.94 m/s Conv Inhibition (B-): 46311.73 J/kg Cap Strength: 5.98 C Lift Cond Lev (LCL): 896.73 mb = 835.37 m = 2740.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 211 at 12 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 ---------------------------------------------------------- 0 993 22 120 15 -13.0 7.5 | 82 19 -19.0 -2.6 1 925 589 180 21 0.0 21.0 | 151 12 -6.0 10.9 2 850 1257 190 13 2.3 12.8 | 126 5 -3.7 2.7 3 700 2752 195 11 2.8 10.6 | 100 3 -3.1 0.5 4 500 5200 175 19 -1.7 18.9 | 139 12 -7.6 8.8 5 400 6720 175 27 -2.4 26.9 | 154 19 -8.3 16.8 6 323 8109 190 27 4.7 26.6 | 176 17 -1.3 16.5 7 300 8580 205 29 12.3 26.3 | 201 17 6.3 16.2 8 250 9760 220 23 14.8 17.6 | 230 12 8.8 7.5 9 200 11210 240 21 18.2 10.5 | 268 12 12.2 0.4 10 150 13100 245 21 19.0 8.9 | 275 13 13.1 -1.2 11 100 15730 260 15 14.8 2.6 | 310 12 8.8 -7.5 12 70 17990 255 17 16.4 4.4 | 299 12 10.5 -5.7 13 50 20080 240 15 13.0 7.5 | 290 7 7.0 -2.6 14 30 23200 235 25 20.5 14.3 | 254 15 14.5 4.2 Wind Parameters Mean winds (0-6000m): 180.6 at 15.6 knts Storm direction: 210.6 at 11.7 knts Shear (0-3000m) pos: 2.8 neg: 0.1 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 32.0 deg Storm rel helicity (0-3000m) pos: 76.9 neg: -6.9 tot: 70.0 m^2/s^2 ave: 23.3 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.27 Bulk Shear: 9.62 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 ------------------------------------------------------------------------------- 500 152 18 111 15| 16.9 0.0 16.9| 68.1 0.0 68.1 136.2 0.94| 17.7 16.5 1000 168 18 129 12| 8.7 0.0 8.7| 76.2 -2.8 73.4 73.4 0.69| 12.9 8.9 1500 174 17 130 10| 5.5 0.0 5.5| 76.2 -5.6 70.7 47.1 0.54| 9.7 5.3 2000 178 16 130 9| 4.2 0.0 4.2| 76.2 -6.1 70.1 35.1 0.51| 7.5 3.8 2500 181 15 129 7| 3.3 0.0 3.3| 76.2 -6.7 69.5 27.8 0.48| 6.2 2.9 3000 182 14 127 7| 2.8 0.1 2.9| 76.9 -6.9 70.0 23.3 0.48| 5.3 2.5 4000 184 14 128 6| 2.1 0.6 2.6| 79.3 -6.9 72.4 18.1 0.48| 4.5 2.1 5000 182 15 130 7| 1.7 0.9 2.5| 80.2 -6.9 73.2 14.6 0.44| 4.0 1.8 6000 181 16 134 8| 1.4 1.1 2.5| 87.9 -7.0 80.9 13.5 0.44| 3.8 1.6 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251020.12.gif