UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 2 DEC 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 -18 210 13 SFC 995 22 -1.7 -2.7 93 1.0 -2.1 210 13 271.8 272.4 271.4 280.3 3.14 2 986 94 -1.5 -5.6 74 4.1 -2.9 219 13 272.7 273.2 271.0 279.7 2.55 3 951 382 -1.9 -4.8 81 2.9 -3.0 253 15 275.2 275.6 272.8 282.9 2.81 4 925 601 -3.9 -7.7 75 3.8 -5.1 280 17 275.3 275.7 272.2 281.8 2.31 5 850 1261 -9.9 -13.1 77 3.2 -10.8 260 17 275.8 276.0 271.4 280.4 1.64 6 818 1555 -12.7 -15.2 82 2.5 -13.3 260 16 275.9 276.1 271.1 279.9 1.43 7 810 1630 -12.9 -15.2 83 2.3 -13.5 260 16 276.4 276.7 271.5 280.6 1.45 8 762 2093 -15.9 -22.9 55 7.0 -17.2 260 14 278.0 278.2 271.4 280.4 0.79 9 736 2354 -17.3 -23.3 60 6.0 -18.4 260 13 279.3 279.4 272.1 281.7 0.79 10 700 2728 -20.5 -26.5 59 6.0 -21.4 260 11 279.8 279.9 272.1 281.7 0.63 11 661 3148 -24.3 -31.3 52 7.0 -25.1 285 10 280.1 280.2 272.0 281.4 0.42 12 602 3823 -27.1 -31.4 67 4.3 -27.6 325 7 284.5 284.6 274.5 285.9 0.46 13 500 5130 -37.3 -41.7 63 4.4 -37.6 45 3 287.6 287.6 275.7 288.2 0.20 14 435 6081 -43.7 -47.9 63 4.2 -43.9 92 4 291.1 291.1 277.4 291.5 0.12 15 420 6315 -46.1 -50.1 64 4.0 -46.2 104 5 291.0 291.0 277.3 291.3 0.09 16 400 6640 -46.7 -51.1 61 4.4 -46.9 120 5 294.3 294.3 278.9 294.6 0.09 17 366 7226 -49.5 -54.4 56 4.9 -49.6 180 8 298.1 298.1 280.6 298.4 0.06 18 332 7859 -53.5 -58.5 54 5.0 -53.6 247 11 301.1 301.1 281.8 301.2 0.04 19 328 7937 -53.5 -58.5 54 5.0 -53.6 255 11 302.1 302.1 282.3 302.3 0.04 20 300 8510 -54.5 -60.5 47 6.0 -54.6 270 23 308.5 308.5 284.8 308.7 0.04 21 278 8998 -54.5 -60.5 47 6.0 -54.6 274 26 315.3 315.3 287.2 315.5 0.04 22 250 9680 -53.9 -60.9 42 7.0 -54.1 280 29 325.9 325.9 290.6 326.1 0.04 23 200 11110 -54.5 -63.5 32 9.0 -54.7 280 31 346.5 346.5 295.9 346.6 0.04 24 186 11573 -54.3 -63.3 32 9.0 -54.5 280 33 354.1 354.1 297.5 354.2 0.04 25 150 12940 -56.5 -67.5 24 11.0 -56.8 280 38 372.7 372.7 301.1 372.9 0.03 26 140 13379 -56.5 -67.5 24 11.0 -56.8 282 38 380.2 380.2 302.3 380.3 0.03 27 100 15490 -61.9 -74.9 16 13.0 -62.1 290 36 408.1 408.1 306.3 408.2 0.01 28 70 17670 -67.3 -80.3 14 13.0 -67.4 285 36 440.4 440.4 309.9 440.5 0.01 29 68 17844 -67.3 -80.3 14 13.0 -67.4 285 36 444.1 444.1 310.3 444.1 0.01 30 50 19660 -73.3 -86.3 12 13.0 -73.4 290 38 470.8 470.8 312.7 470.8 0.00 31 41 20813 -76.3 -89.3 11 13.0 -76.4 490.8 490.8 314.3 490.8 0.00 32 32 22240 -76.9 -89.9 11 13.0 -77.0 525.2 525.2 316.6 525.2 0.00 TRP 328 7937 -53.5 -58.5 54 5.0 -53.6 255 11 302.1 302.1 282.3 302.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 66.83 % Est. max temperature: 2.24 C = 36.04 F Sfc-Lift cond lev (LCL): 979.36 mb = 147.88 m = 485.16 ft T: -1.57 C 700-500 lapse rate: 6.99 C/km ThetaE index: 2.98 C Layer 925.0- 810.0 mb Conv cond level (CCL): 881.64 mb = 975.73 m = 3201.17 ft Mean mixing ratio: 2.50 g/kg Conv temperature: 2.05 C = 35.69 F Cap Strength: 3.82 C Lifted Index: 5.40 C Risk: None Lifted Index @300 mb: 19.13 C Lifted Index @700 mb: 1.04 C Showalter Index: 6.27 C Risk: None Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 24.20 C K Index: 8.30 Risk: None Sweat Index: 89.00 Risk: None Energy Index: 1.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.67 J/kg Max Up Vert Vel: 5.60 m/s Conv Inhibition (B-): 20.07 J/kg Cap Strength: 5.34 C Lift Cond Lev (LCL): 894.81 mb = 859.98 m = 2821.42 ft Lev Free Conv (LFC): 839.81 mb = 1353.51 m = 4440.59 ft Equ Level (EL): 799.81 mb = 1726.33 m = 5663.74 ft B at Equ Level: 15.59 J/kg Max Parcel Lev (MPL): 729.81 mb = 2417.32 m = 7930.74 ft Wind level data Storm motion: 294 at 7 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 ---------------------------------------------------------- 0 995 22 210 13 6.5 11.3 | 179 14 -0.3 14.3 1 925 601 280 17 16.7 -3.0 | 269 10 10.0 0.1 2 850 1261 260 17 16.7 3.0 | 239 12 10.0 6.0 3 700 2728 260 11 10.8 1.9 | 219 6 4.1 5.0 4 500 5130 45 3 -2.1 -2.1 | 96 9 -8.9 0.9 5 400 6640 120 5 -4.3 2.5 | 117 12 -11.1 5.6 6 328 7937 255 11 10.6 2.8 | 213 7 3.9 5.9 7 300 8510 270 23 23.0 -0.0 | 259 17 16.2 3.1 8 250 9680 280 29 28.6 -5.0 | 275 22 21.8 -2.0 9 200 11110 280 31 30.5 -5.4 | 276 24 23.8 -2.3 10 150 12940 280 38 37.4 -6.6 | 277 31 30.7 -3.5 11 100 15490 290 36 33.8 -12.3 | 289 29 27.1 -9.3 12 70 17670 285 36 34.8 -9.3 | 283 29 28.0 -6.3 13 50 19660 290 38 35.7 -13.0 | 289 31 28.9 -9.9 Wind Parameters Mean winds (0-6000m): 264.3 at 9.9 knts Storm direction: 294.3 at 7.4 knts Shear (0-3000m) pos: 2.9 neg: 0.9 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 62.8 deg Storm rel helicity (0-3000m) pos: 57.4 neg: -22.2 tot: 35.2 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.97 Bulk Shear: 5.28 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 ------------------------------------------------------------------------------- 500 245 15 215 11| 15.6 0.0 15.6| 48.0 0.0 48.0 95.9 0.96| 16.4 15.8 1000 262 16 239 10| 7.8 0.6 8.3| 55.0 -9.6 45.4 45.4 0.65| 11.4 7.5 1500 262 16 240 11| 5.2 1.0 6.2| 55.0 -16.8 38.2 25.5 0.48| 8.7 4.2 2000 261 16 239 10| 3.9 1.0 4.9| 55.0 -19.0 35.9 18.0 0.41| 7.0 2.9 2500 261 15 237 10| 3.1 1.1 4.2| 55.0 -21.3 33.7 13.5 0.35| 6.0 2.1 3000 262 15 236 9| 2.9 0.9 3.8| 57.4 -22.2 35.2 11.7 0.34| 5.8 2.0 4000 266 13 237 7| 2.5 0.7 3.2| 62.4 -22.2 40.2 10.0 0.43| 5.5 2.4 5000 264 11 226 6| 1.7 0.5 2.2| 72.4 -22.2 50.2 10.0 0.48| 5.1 2.4 6000 264 10 217 5| 1.3 0.5 1.7| 78.3 -22.2 56.1 9.3 0.49| 4.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251202.00.gif