UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 27 NOV 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 158 1 925 821 SFC 906 997 15.6 8.6 63 7.0 11.4 145 8 297.0 298.4 288.6 319.6 7.76 3 850 1533 10.0 3.0 62 7.0 6.3 185 14 296.6 297.6 286.4 313.1 5.59 4 784 2199 5.2 -1.8 61 7.0 1.9 197 14 298.4 299.2 285.8 311.2 4.27 5 775 2293 5.0 -5.0 48 10.0 0.5 199 14 299.2 299.8 285.1 309.5 3.40 6 728 2800 1.2 -18.8 21 20.0 -5.1 209 14 300.4 300.6 283.1 304.2 1.19 7 700 3115 -0.5 -20.5 20 20.0 -6.5 215 14 301.9 302.1 283.5 305.4 1.07 8 698 3138 0.0 -20.0 21 20.0 -6.1 215 14 302.7 302.9 284.0 306.4 1.12 9 672 3441 -1.1 -22.1 19 21.0 -7.2 216 15 304.8 305.0 284.5 308.0 0.97 10 568 4761 -9.3 -24.3 28 15.0 -13.2 221 20 310.2 310.4 286.5 313.3 0.94 11 500 5730 -18.3 -30.3 34 12.0 -20.5 225 23 310.7 310.8 286.4 312.8 0.62 12 474 6129 -20.3 -33.3 30 13.0 -22.5 229 23 313.0 313.1 287.0 314.7 0.49 13 449 6531 -22.5 -38.5 22 16.0 -24.7 232 24 315.2 315.2 287.5 316.3 0.31 14 400 7370 -30.3 -45.3 22 15.0 -31.6 240 25 315.6 315.6 287.5 316.2 0.17 15 376 7807 -33.1 -48.1 21 15.0 -34.2 238 27 317.5 317.6 288.1 318.0 0.13 16 300 9350 -46.1 -62.1 15 16.0 -46.5 230 34 320.4 320.4 288.9 320.5 0.03 17 250 10540 -55.1 245 46 324.1 18 230 11070 -58.3 249 50 327.1 19 223 11265 -59.3 250 51 328.5 20 222 11293 -59.3 251 51 328.9 21 200 11950 -58.1 270 53 340.8 22 150 13750 -60.1 255 62 366.5 23 141 14136 -59.1 251 64 374.8 24 119 15188 -62.6 240 70 387.1 25 100 16250 -66.1 250 60 400.0 26 99 16311 -66.5 249 60 400.4 27 84 17314 -65.1 235 56 422.5 28 70 18430 -65.1 220 51 445.1 29 64 18983 -63.5 225 50 460.2 30 55 19925 -61.3 234 48 485.6 31 50 20520 -61.3 240 47 499.0 32 45 21172 -62.1 240 47 512.3 33 40 21900 -62.1 240 46 529.9 34 32 23283 -61.1 240 45 567.5 35 30 23690 -54.1 240 45 597.2 36 29 23908 -54.5 241 46 601.9 37 20 26280 -56.3 250 60 663.8 38 18 26954 -54.1 252 65 691.1 39 14 28561 -56.3 255 75 735.1 40 11 30106 -53.1 259 86 799.3 41 10 30720 -53.5 260 90 819.8 42 8.9 31467 -55.3 840.7 TRP 223 11265 -59.3 250 51 328.5 WND 119 15188 -62.6 240 70 387.1 Sounding variables and indices 1000-500 mb thick: 5572.00 m Freezing level: 708.24 mb = 3022.44 m = 9916.00 ft Freezing level: 698.00 mb = 3137.88 m = 10294.75 ft Freezing level: 698.00 mb = 3137.88 m = 10294.75 ft Wetbulb zero: 770.43 mb = 2341.13 m = 7680.78 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 35.76 % Est. max temperature: 18.19 C = 64.74 F Sfc-Lift cond lev (LCL): 815.73 mb = 1872.06 m = 6141.87 ft T: 7.56 C 700-500 lapse rate: 6.81 C/km ThetaE index: 15.42 C Layer 850.0- 700.0 mb Conv cond level (CCL): 736.54 mb = 2705.78 m = 8877.12 ft Mean mixing ratio: 5.98 g/kg Conv temperature: 18.69 C = 65.65 F Cap Strength: 3.22 C Lifted Index: 1.19 C Risk: Showers probable Lifted Index @300 mb: 4.45 C Lifted Index @700 mb: 1.47 C Showalter Index: 2.13 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 21.30 C K Index: 11.30 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 0.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.14 J/kg Max Up Vert Vel: 2.51 m/s Conv Inhibition (B-): 56637.63 J/kg Cap Strength: 3.17 C Lift Cond Lev (LCL): 770.90 mb = 2336.14 m = 7664.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 248 at 13 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 ---------------------------------------------------------- 0 906 997 145 8 -4.6 6.6 | 95 17 -17.0 1.5 1 850 1533 185 14 1.2 13.9 | 128 14 -11.2 8.9 2 700 3115 215 14 8.0 11.5 | 146 8 -4.4 6.4 3 500 5730 225 23 16.3 16.3 | 199 12 3.8 11.2 4 400 7370 240 25 21.7 12.5 | 231 12 9.2 7.4 5 300 9350 230 34 26.0 21.9 | 219 22 13.6 16.8 6 250 10540 245 46 41.7 19.4 | 244 33 29.3 14.4 7 223 11265 250 51 47.9 17.4 | 251 38 35.5 12.4 8 200 11950 270 53 53.0 -0.0 | 277 41 40.6 -5.1 9 150 13750 255 62 59.9 16.0 | 257 49 47.5 11.0 10 119 15188 240 70 60.6 35.0 | 238 57 48.2 29.9 11 100 16250 250 60 56.4 20.5 | 251 47 44.0 15.4 12 70 18430 220 51 32.8 39.1 | 211 40 20.4 34.0 13 50 20520 240 47 40.7 23.5 | 237 34 28.3 18.4 14 30 23690 240 45 39.0 22.5 | 237 32 26.6 17.4 15 20 26280 250 60 56.4 20.5 | 251 47 44.0 15.4 16 10 30720 260 90 88.6 15.6 | 262 77 76.2 10.5 Wind Parameters Mean winds (0-6000m): 217.7 at 17.9 knts Storm direction: 247.7 at 13.4 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 55.6 neg: 0.0 tot: 55.6 m^2/s^2 ave: 18.5 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 23.81 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 ------------------------------------------------------------------------------- 500 169 11 111 15| 9.0 0.0 9.0| 36.6 0.0 36.6 73.2 0.96| 9.3 8.9 1000 181 12 121 14| 5.5 0.0 5.5| 43.2 0.0 43.2 43.2 0.88| 6.1 5.4 1500 187 13 126 13| 4.1 0.0 4.1| 46.4 0.0 46.4 30.9 0.81| 4.9 3.9 2000 193 13 129 12| 3.4 0.0 3.4| 48.7 0.0 48.7 24.3 0.75| 4.2 3.2 2500 198 13 133 11| 3.1 0.0 3.1| 51.9 0.0 51.9 20.8 0.76| 3.8 2.9 3000 202 14 137 11| 2.8 0.0 2.8| 55.6 0.0 55.6 18.5 0.78| 3.5 2.7 4000 208 15 147 10| 2.6 0.0 2.6| 63.5 0.0 63.5 15.9 0.79| 3.1 2.4 5000 213 17 159 9| 2.4 0.0 2.4| 73.1 0.0 73.1 14.6 0.80| 2.8 2.3 6000 218 18 171 9| 2.2 0.0 2.2| 85.4 0.0 85.4 14.2 0.83| 2.7 2.2 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251127.12.gif