CaneTalk: Temps in the 20Fs with Heavy Snow

Temps in the 20Fs with Heavy Snow

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

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

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