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Temps in the 20Fs with Heavy Snow
Posted by JAC on 10/28/2009, 3:55 pm
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Posted by JAC on 10/28/2009, 3:55 pm
 MESOSCALE DISCUSSION 2147 NWS STORM PREDICTION CENTER NORMAN OK 0113 PM CDT WED OCT 28 2009 AREAS AFFECTED...N CNTRL CO...SERN WY...WRN NEB PANHANDLE...EXTREME SW SD CONCERNING...HEAVY SNOW VALID 281813Z - 290015Z SNOWFALL RATES ARE EXPECTED TO INCREASE TO AROUND 1 INCH/HOUR WITH LOCALIZED 2 INCH/HOUR RATES WITH UPSLOPE ENHANCEMENT. SURFACE ANALYSIS SHOWS A STRONG SURFACE RIDGE WITH COLD AIR FROM SERN WY INTO NERN CO WITH TEMPERATURES IN THE 20S F. MEANWHILE...LOW PRESSURE CONTINUES TO DEEPEN TO THE S. PERSISTENT ISENTROPIC LIFT OF AN EVER MOISTENING AIR MASS SHOULD RESULT IN AN EXPANDING AREA OF SNOW FROM N CNTRL CO INTO SERN WY...EXTENDING NEWD INTO SWRN SD BY 00Z. MODEL CONCENSUS IS FOR 3 HR QPF RATES OF 0.20-0.30 IN/3HR...WHICH WOULD CORRESPOND TO AROUND 1 IN/HR SNOWFALL RATES. N TO NE LOW LEVEL WINDS WILL LIKELY ENHANCE SNOWFALL RATES NEAR FAVORABLY ORIENTED TERRAIN...PERHAPS AS HIGH AS 2 IN/HR LOCALLY. ..JEWELL.. 10/28/2009  |
In this thread:
Possible Severe System for MS-Valley/Midwest around the Weekend - JAC, 10/26/2009, 3:53 pm
< Return to the front page of the: message board | monthly archive this page is in- Dallas could be under the gun Thursday morning - JAC, 10/28/2009, 9:55 am
- Good chance for Derecho's today. Textbook Hodos - JAC, 10/29/2009, 7:01 am
- Tornado Watches Up - Large Squall Line on the move - JAC, 10/29/2009, 6:55 am
- 992mb on the Rio Grande, should spin up in 24 hrs - JAC, 10/28/2009, 4:02 pm
- Significant Winter Storm West of MS-River - JAC, 10/28/2009, 8:35 am
- Temps in the 20Fs with Heavy Snow - JAC, 10/28/2009, 3:55 pm
- 10 to 18" in Denver - JAC, 10/28/2009, 8:48 am
- Re: 10 to 18" in Denver - hanna, 10/28/2009, 1:11 pm
- Heavy snow already falling in some areas - JAC, 10/28/2009, 8:53 am
- Weather Bomb... - Anung Mwka, 10/27/2009, 7:57 pm
- This could go from GOM to Labrador - JAC, 10/27/2009, 9:17 pm
- Part of it may tilt negative - JAC, 10/27/2009, 9:04 pm
- GFS has a TX Cutoff Low - JAC, 10/27/2009, 9:07 pm
- HPC Discussion - JAC, 10/27/2009, 2:51 pm
- Dang! - JAC, 10/27/2009, 1:08 pm
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - Anung Mwka, 10/27/2009, 7:52 am
- Diggin deep on NAEFS - JAC, 10/27/2009, 8:06 am
- Re: Diggin deep on NAEFS - Anung Mwka, 10/27/2009, 1:08 pm
- Re: Diggin deep on NAEFS - Conclue, 10/28/2009, 1:30 pm
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - JAC, 10/27/2009, 7:59 am
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - Conclue, 10/26/2009, 11:04 pm
- CMC - JAC, 10/27/2009, 7:36 am
- The Setup: Feed of tropical air - JAC, 10/27/2009, 7:12 am
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - JAC, 10/27/2009, 6:48 am
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - Conclue, 10/27/2009, 9:01 pm
- Check the 300mb jet - totally wicked - JAC, 10/27/2009, 9:22 pm
- Re: Check the 300mb jet - totally wicked - Conclue, 10/28/2009, 11:06 am
- Re: Check the 300mb jet - totally wicked - Conclue, 10/28/2009, 11:08 am
- Re: Check the 300mb jet - totally wicked - Conclue, 10/28/2009, 11:09 am
- Re: Check the 300mb jet - totally wicked - Conclue, 10/28/2009, 11:08 am
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - skip_wiley, 10/26/2009, 8:06 pm
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - Conclue, 10/26/2009, 7:51 pm
- Re: Possible Severe System for MS-Valley/Midwest around the Weekend - CypressTX, 10/26/2009, 9:29 pm