UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for USPP... Searching the city database file for: USPP ... Date:0000Z 27 DEC 25 Station: USPP WMO ident: 28225 Latitude: 57.95 Longitude: 56.20 Elevation: 170.00 ------------------------------------------------------------------------------- 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 69 SFC 987 170 -13.5 -15.8 83 2.3 -14.0 0 0 260.6 260.8 260.0 263.7 1.13 2 925 660 -15.7 -18.4 80 2.7 -16.2 225 25 263.3 263.4 261.7 265.9 0.97 3 854 1261 -17.3 -19.6 82 2.3 -17.7 234 19 267.7 267.8 264.8 270.3 0.95 4 850 1296 -17.3 -19.7 82 2.4 -17.7 235 19 268.0 268.2 265.1 270.7 0.94 5 846 1331 -16.9 -19.3 82 2.4 -17.3 235 19 268.8 269.0 265.7 271.6 0.98 6 831 1467 -12.7 -14.9 84 2.2 -13.2 234 19 274.6 274.9 270.4 278.7 1.44 7 805 1710 -10.7 -11.8 92 1.1 -11.0 234 19 279.2 279.6 273.9 284.7 1.92 8 760 2151 -13.3 -14.9 88 1.6 -13.7 232 19 281.1 281.3 274.4 285.7 1.58 9 755 2201 -12.7 -14.4 87 1.7 -13.2 232 19 282.2 282.5 275.2 287.1 1.66 10 754 2211 -12.7 -14.4 87 1.7 -13.2 232 19 282.4 282.6 275.2 287.2 1.66 11 701 2765 -14.7 -16.7 85 2.0 -15.2 230 19 286.1 286.3 276.9 290.5 1.47 12 700 2776 -14.7 -16.7 85 2.0 -15.2 230 19 286.2 286.5 277.0 290.6 1.48 13 500 5240 -31.3 -34.3 75 3.0 -31.6 245 33 294.9 295.0 279.7 296.3 0.42 14 473 5634 -33.9 -37.0 73 3.1 -34.2 245 34 296.4 296.4 280.2 297.5 0.34 15 428 6333 -37.3 -40.1 75 2.8 -37.5 245 35 300.6 300.7 282.0 301.6 0.27 16 400 6800 -40.7 -43.6 74 2.9 -40.9 245 36 302.1 302.1 282.5 302.8 0.20 17 300 8680 -57.9 -61.1 67 3.2 -57.9 260 40 303.7 303.7 283.0 303.9 0.03 18 273 9268 -62.9 -66.1 65 3.2 -62.9 260 42 304.8 304.8 283.4 304.9 0.02 19 262 9521 -63.1 -66.4 64 3.3 -63.1 255 36 308.1 308.1 284.6 308.2 0.02 20 254 9712 -63.1 -66.4 64 3.3 -63.1 252 31 310.8 310.8 285.7 310.9 0.02 21 250 9810 -62.1 -65.4 64 3.3 -62.1 250 29 313.7 313.7 286.7 313.8 0.02 22 200 11210 -57.7 -61.1 65 3.4 -57.8 305 15 341.4 341.4 294.7 341.6 0.05 23 199 11242 -57.7 -61.1 65 3.4 -57.8 305 15 341.9 341.9 294.8 342.1 0.05 24 150 13020 -59.5 -63.4 60 3.9 -59.6 320 21 367.6 367.6 300.2 367.8 0.05 25 100 15540 -62.7 -67.3 54 4.6 -62.8 345 36 406.6 406.6 306.1 406.8 0.04 26 74 17383 -66.1 -71.0 50 4.9 -66.2 341 33 436.0 436.0 309.5 436.2 0.04 27 70 17720 -66.7 -71.6 50 4.9 -66.8 340 33 441.7 441.7 310.1 441.9 0.03 28 53 19386 -70.7 -75.7 48 5.0 -70.8 469.0 469.0 312.5 469.1 0.02 TRP 273 9268 -62.9 -66.1 65 3.2 -62.9 260 42 304.8 304.8 283.4 304.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5171.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 82.09 % Est. max temperature: -1.90 C = 28.58 F Sfc-Lift cond lev (LCL): 950.88 mb = 451.57 m = 1481.52 ft T: -14.76 C 700-500 lapse rate: 6.74 C/km ThetaE index: 0.00 C Layer 987.0-949195686700696731648.0 mb Conv cond level (CCL): 591.41 mb = 4010.50 m = 13157.64 ft Mean mixing ratio: 1.01 g/kg Conv temperature: 16.44 C = 61.59 F Cap Strength: 19.32 C Lifted Index: 24.05 C Risk: None Lifted Index @300 mb: 26.98 C Lifted Index @700 mb: 19.32 C Showalter Index: 20.01 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 14.00 C Cross Totals Index: 11.60 C K Index: -7.70 Risk: None Sweat Index: 117.71 Risk: None Energy Index: 5.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.00 J/kg Max Up Vert Vel: 6.00 m/s Conv Inhibition (B-): 34688.42 J/kg Cap Strength: 23.86 C Lift Cond Lev (LCL): 897.88 mb = 883.83 m = 2899.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 18 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 ---------------------------------------------------------- 0 987 170 0 0 -0.0 -0.0 | 88 18 -18.0 -0.7 1 925 660 225 25 17.7 17.7 | 179 17 -0.3 17.0 2 850 1296 235 19 15.6 10.9 | 166 11 -2.5 10.2 3 700 2776 230 19 14.6 12.2 | 163 12 -3.5 11.5 4 500 5240 245 33 29.9 13.9 | 222 18 11.9 13.3 5 400 6800 245 36 32.6 15.2 | 225 21 14.6 14.5 6 300 8680 260 40 39.4 6.9 | 254 22 21.4 6.3 7 273 9268 260 42 41.4 7.3 | 254 24 23.3 6.6 8 250 9810 250 29 27.3 9.9 | 225 13 9.2 9.2 9 200 11210 305 15 12.3 -8.6 | 32 11 -5.7 -9.3 10 150 13020 320 21 13.5 -16.1 | 15 17 -4.5 -16.8 11 100 15540 345 36 9.3 -34.8 | 14 37 -8.7 -35.5 12 70 17720 340 33 11.3 -31.0 | 12 32 -6.7 -31.7 Wind Parameters Mean winds (0-6000m): 237.8 at 24.1 knts Storm direction: 267.8 at 18.0 knts Shear (0-3000m) pos: 0.9 neg: 4.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 86.6 deg Storm rel helicity (0-3000m) pos: 11.6 neg: -54.5 tot: -42.9 m^2/s^2 ave: -14.3 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 9.2 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.95 Bulk Shear: 18.96 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 ------------------------------------------------------------------------------- 500 225 13 133 12| 0.0 25.6 25.6| 4.0 -43.2 -39.2 -78.4 0.02| 44.2 0.7 1000 227 18 156 12| 2.9 12.8 15.7| 4.0 -50.3 -46.3 -46.3 -0.03| 25.0 -0.7 1500 230 18 159 12| 2.3 8.5 10.9| 4.0 -53.1 -49.0 -32.7 -0.04| 17.3 -0.8 2000 230 18 161 12| 1.7 6.4 8.2| 4.0 -53.7 -49.7 -24.8 -0.05| 13.1 -0.6 2500 231 18 161 12| 1.4 5.2 6.5| 4.0 -54.3 -50.3 -20.1 -0.05| 10.6 -0.5 3000 231 19 162 12| 0.9 4.3 5.2| 11.6 -54.5 -42.9 -14.3 -0.01| 9.2 -0.1 4000 232 20 169 12| 1.0 3.2 4.2| 32.2 -54.5 -22.3 -5.6 0.09| 7.7 0.7 5000 235 22 181 12| 1.4 2.6 3.9| 55.6 -54.5 1.2 0.2 0.17| 6.9 1.2 6000 238 24 191 12| 1.2 2.2 3.5| 60.7 -54.5 6.3 1.0 0.18| 5.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//USPP/skewt/USPP.skewt.20251227.00.gif