Re: Uncapped STP in East OK
Posted by JAC on 4/30/2010, 2:35 pm
 MESOSCALE DISCUSSION 0422 NWS STORM PREDICTION CENTER NORMAN OK 0111 PM CDT FRI APR 30 2010 AREAS AFFECTED...FAR NE TX...ERN OK...WRN AR INTO SW MO CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY VALID 301811Z - 302015Z CONVECTION CURRENTLY MOVING INTO ERN OK AND SW MO HAS BEEN INCREASING IN INTENSITY THE LAST HOUR AND THIS TREND SHOULD CONTINUE WHILE DEVELOPING FURTHER SWD INTO FAR NE TX. STRONG MOISTURE ADVECTION AHEAD OF A DRYLINE/COLD FRONT FROM WRN MO THROUGH ERN OK INTO CNTRL TX HAS ALLOWED DEW POINTS TO CLIMB INTO THE UPPER 60S/LOWER 70S WITH TEMPERATURES IN THE 70S TO LOW 80S. MIXED LAYER CAPE VALUES HAVE INCREASED TO AROUND 1000-2000 J/KG AND WITH A QUICKLY ERODING CAPPING INVERSION...DISCRETE STORM DEVELOPMENT IS EXPECTED TO INCREASE OVER THE NEXT COUPLE OF HOURS. BULK SHEAR VALUES AROUND 40-60 KT WITH MID LEVEL LAPSE RATES AROUND 8 C/KM WILL SUPPORT SUPERCELLS WITH LARGE HAIL AND POSSIBLE TORNADOES. ..STOPPKOTTE.. 04/30/2010 |
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In this thread:
Next possible severe event 4/29 to 4/30 Southern Plains - JAC, 4/26/2010, 12:42 pm
- Uncapped STP in East OK - JAC, 4/30/2010, 1:21 pm
- Squall Line moving into STP Bulls-Eye - JAC, 4/30/2010, 6:24 pm
- Dangerous Situation - JAC, 4/30/2010, 8:59 pm
- High Threat for Torandoes - JAC, 4/30/2010, 2:59 pm
- Re: High Threat for Torandoes - JAC, 4/30/2010, 3:02 pm
- High Threat for Torandoes - JAC, 4/30/2010, 2:59 pm
- Squall Line moving into STP Bulls-Eye - JAC, 4/30/2010, 6:24 pm
- MCS thru upper MS-Valley this afternoon - JAC, 4/30/2010, 1:16 pm
- Looks deadly - let's hope caps stay in place over the target areas. - JAC, 4/29/2010, 7:37 am
- Positive Tilt Shortwave for Saturday - JAC, 4/28/2010, 11:59 am
- AR, LA, and East TX under-the-gun Saturday Afternoon - JAC, 4/28/2010, 12:22 pm
- Little if any cap, very strong helicity, CAPE = 3000, LI = -9 - JAC, 4/28/2010, 12:32 pm
- AR, LA, and East TX under-the-gun Saturday Afternoon - JAC, 4/28/2010, 12:22 pm
- NAM STP for Thursday Evening - JAC, 4/27/2010, 12:27 pm
- SREF confirms strong STP chances for OK, KS later Thursday Evening - Capping will be Key - JAC, 4/28/2010, 12:18 pm
- 110 Knot Jet, Negative Tilted. Cutoff at 500mb - JAC, 4/26/2010, 12:57 pm
- 976mb Surface Low - JAC, 4/26/2010, 12:52 pm
- Forecast shows plenty of ammo - JAC, 4/26/2010, 12:47 pm
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