UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 21 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 10 240 13 SFC 999 18 3.0 0.6 84 2.4 2.0 240 13 276.2 276.9 275.2 287.1 3.99 2 925 637 -1.5 -4.6 79 3.1 -2.7 245 19 277.8 278.3 274.5 285.9 2.93 3 850 1304 -6.9 -8.7 87 1.8 -7.5 245 21 278.9 279.3 274.3 285.5 2.33 4 832 1470 -8.3 -9.8 89 1.5 -8.8 246 21 279.2 279.5 274.2 285.4 2.18 5 700 2788 -17.1 -21.6 68 4.5 -18.0 250 23 283.5 283.7 274.8 286.5 0.97 6 683 2971 -18.5 -23.5 65 5.0 -19.4 250 23 284.0 284.1 274.9 286.5 0.84 7 614 3753 -25.3 -33.3 47 8.0 -26.2 248 23 285.0 285.0 274.6 286.1 0.38 8 500 5200 -38.7 -43.7 59 5.0 -38.9 245 23 285.9 285.9 274.8 286.4 0.16 9 424 6308 -48.7 -53.0 61 4.3 -48.8 245 23 286.9 286.9 275.2 287.1 0.07 10 400 6690 -50.3 -54.4 62 4.1 -50.4 245 23 289.6 289.6 276.6 289.8 0.06 11 349 7576 -54.3 -58.4 61 4.1 -54.4 250 25 295.7 295.7 279.5 295.9 0.04 12 300 8560 -49.7 -54.1 60 4.4 -49.8 260 27 315.3 315.3 287.3 315.6 0.08 13 289 8803 -49.3 -53.8 59 4.5 -49.4 261 27 319.3 319.3 288.6 319.6 0.09 14 250 9750 -48.3 -54.3 50 6.0 -48.6 265 27 334.3 334.3 293.0 334.6 0.10 15 232 10242 -48.1 -55.1 44 7.0 -48.4 265 26 341.8 341.8 294.8 342.2 0.09 16 200 11220 -47.9 -58.9 27 11.0 -48.3 265 25 356.9 356.9 298.1 357.2 0.07 17 176 12058 -49.3 -62.3 20 13.0 -49.8 267 21 367.9 367.9 300.2 368.1 0.05 18 150 13100 -50.5 -65.5 15 15.0 -51.0 270 17 383.1 383.1 302.8 383.2 0.04 19 100 15720 -54.3 -72.3 9 18.0 -54.8 255 19 422.8 422.8 308.0 422.9 0.02 20 84 16831 -55.3 -73.3 9 18.0 -55.9 240 17 442.4 442.4 310.1 442.5 0.02 21 70 17980 -59.5 -78.5 7 19.0 -59.9 225 15 457.1 457.1 311.5 457.2 0.01 22 63 18633 -62.5 -81.5 6 19.0 -62.9 247 13 464.5 464.5 312.2 464.5 0.01 23 57 19253 -60.5 -79.5 7 19.0 -61.0 268 11 482.5 482.5 313.7 482.6 0.01 24 50 20060 -64.5 -83.5 6 19.0 -64.8 295 9 491.5 491.5 314.3 491.5 0.01 25 47 20437 -66.1 -84.1 6 18.0 -66.4 496.4 496.4 314.7 496.5 0.01 TRP 349 7576 -54.3 -58.4 61 4.1 -54.4 250 25 295.7 295.7 279.5 295.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5190.00 m Freezing level: 949.67 mb = 430.70 m = 1413.05 ft Wetbulb zero: 967.77 mb = 273.50 m = 897.28 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 68.31 % Est. max temperature: 5.70 C = 42.26 F Sfc-Lift cond lev (LCL): 962.50 mb = 317.44 m = 1041.45 ft T: 0.82 C 700-500 lapse rate: 8.96 C/km ThetaE index: 1.79 C Layer 925.0- 700.0 mb Conv cond level (CCL): 896.29 mb = 885.72 m = 2905.87 ft Mean mixing ratio: 3.29 g/kg Conv temperature: 4.99 C = 40.98 F Cap Strength: 1.05 C Lifted Index: 0.27 C Risk: Showers probable Lifted Index @300 mb: 20.53 C Lifted Index @700 mb: 0.99 C Showalter Index: 0.95 C Risk: Thunderstorms probable Total Totals Index: 61.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.80 C Cross Totals Index: 30.00 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 321.00 Risk: Showers and thunderstorms possible Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.05 J/kg Max Up Vert Vel: 3.75 m/s Conv Inhibition (B-): 10.42 J/kg Cap Strength: 1.02 C Lift Cond Lev (LCL): 909.28 mb = 772.19 m = 2533.39 ft Lev Free Conv (LFC): 844.28 mb = 1356.48 m = 4450.35 ft Equ Level (EL): 794.28 mb = 1824.28 m = 5985.08 ft B at Equ Level: 6.86 J/kg Max Parcel Lev (MPL): 734.28 mb = 2423.33 m = 7950.47 ft Wind level data Storm motion: 277 at 16 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 ---------------------------------------------------------- 0 999 18 240 13 11.3 6.5 | 149 10 -5.0 8.4 1 925 637 245 19 17.2 8.0 | 186 10 1.0 9.9 2 850 1304 245 21 19.0 8.9 | 195 11 2.8 10.7 3 700 2788 250 23 21.6 7.9 | 209 11 5.4 9.7 4 500 5200 245 23 20.8 9.7 | 202 12 4.6 11.6 5 400 6690 245 23 20.8 9.7 | 202 12 4.6 11.6 6 349 7576 250 25 23.5 8.6 | 215 13 7.3 10.4 7 300 8560 260 27 26.6 4.7 | 238 12 10.4 6.6 8 250 9750 265 27 26.9 2.4 | 248 11 10.7 4.2 9 200 11220 265 25 24.9 2.2 | 245 10 8.7 4.1 10 150 13100 270 17 17.0 -0.0 | 202 2 0.8 1.9 11 100 15720 255 19 18.4 4.9 | 197 7 2.1 6.8 12 70 17980 225 15 10.6 10.6 | 156 14 -5.6 12.5 13 50 20060 295 9 8.2 -3.8 | 77 8 -8.1 -1.9 Wind Parameters Mean winds (0-6000m): 246.6 at 21.8 knts Storm direction: 276.6 at 16.3 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 58.9 deg Storm rel helicity (0-3000m) pos: 28.1 neg: -0.4 tot: 27.7 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.26 Bulk Shear: 5.61 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 ------------------------------------------------------------------------------- 500 243 15 164 9| 5.1 0.0 5.1| 12.5 0.0 12.5 25.0 0.99| 5.1 5.1 1000 244 17 176 10| 3.7 0.0 3.7| 18.1 0.0 18.1 18.1 0.97| 3.8 3.6 1500 244 19 183 10| 2.9 0.0 2.9| 21.2 0.0 21.2 14.1 0.95| 2.9 2.8 2000 245 19 187 10| 2.4 0.0 2.4| 23.9 0.0 23.9 11.9 0.96| 2.4 2.3 2500 246 20 191 10| 2.1 0.0 2.1| 26.7 0.0 26.7 10.7 0.96| 2.1 2.1 3000 246 20 194 10| 1.8 0.0 1.8| 28.1 -0.4 27.7 9.2 0.94| 1.9 1.8 4000 247 21 197 11| 1.3 0.1 1.4| 28.1 -2.3 25.8 6.5 0.82| 1.5 1.3 5000 247 22 199 11| 1.1 0.2 1.2| 28.1 -4.2 23.9 4.8 0.72| 1.3 0.9 6000 247 22 200 11| 0.9 0.2 1.0| 28.1 -4.6 23.5 3.9 0.70| 1.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251021.12.gif