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Early season snowstorm Oct 4-5th


Thundersnow12

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Ellsworth Air Force Base, SD, United States (KRCA) 44-09N 103-06W

Oct 04, 2013 - 07:19 PM EDT / 2013.10.04 2319 UTC

Wind: from the NNW (340 degrees) at 43 MPH (37 KT) gusting to 68 MPH (59 KT):1

Visibility: less than 1/4 mile(s):1

Sky conditions: obscured

Weather: freezing fog; squalls; Lightning observed

Temperature: 32 F (0 C)

Windchill: 15 F (-9 C):1

Dew Point: 32 F (0 C)

Relative Humidity: 100%

Pressure (altimeter): 30.01 in. Hg (1016 hPa)

ob: KRCA 042319Z AUTO 34037G59KT M1/4SM R31/0800FT FZFG SQ VV002 00/00 A3001 RMK AO2 PK WND 34059/18 LTG DSNT SW-W

cycle: 23

 

 

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Ellsworth Air Force Base near Rapids City reported a 68mph gust with 1/8 mile visibility at 2319z.  What an amazing storm.

Possibly the worst storm in the lower 48 this fall/winter and it comes in October. Not in total area, but in one spot.

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That Rapid City obs is down at 3500 ft or so too! That high ground that is just west of Rapid City probably has 30" by now!

 

Out on the plains near Spearfish:

 

0620 PM HEAVY SNOW 5 W DOWNTOWN SPEARFISH 44.50N 103.96W
10/04/2013 M22.0 INCH LAWRENCE SD TRAINED SPOTTER

 

I-90 Closed from Sturgis to Sheridan.

 

http://www.kotatv.com/story/23609529/interstate-90-closed-between-sturgis-and-wyoming-border

 

Up I-90 to the NW of Rapid City:

 

0652 PM HEAVY SNOW 1 NNW PIEDMONT 44.24N 103.40W
10/04/2013 M20.0 INCH MEADE SD NWS EMPLOYEE

 

Been watching that awning across the street. Snow builds up so much and then there's an avalanche, then the process repeats.

 

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Lead is in the lead!

 

 

0730 PM HEAVY SNOW LEAD 44.35N 103.77W
10/04/2013 M43.5 INCH LAWRENCE SD PUBLIC

 

43.5" is extreme impressive and no doubt a record for so early in the season. They're going to break 50" with no problem. Still alot of moisture backing into the BH.

 

Reports of extensive tree damage have been reported.

 

 

0855 PM HEAVY SNOW SUNDANCE 44.40N 104.37W
10/04/2013 E24.0 INCH CROOK WY PUBLIC

STILL SNOWING. MUCH TREE AND LIMB DAMAGE.

 

0815 PM HEAVY SNOW DOWNTOWN SPEARFISH 44.50N 103.86W
10/04/2013 E26.0 INCH LAWRENCE SD PUBLIC

 

Record event no doubt.

 

 

000
SXUS73 KUNR 050042
RERUNR

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
0641 PM MDT FRI OCT 04 2013

...RECORD DAILY MAXIMUM SNOWFALL SET AT EAST RAPID CITY SD...

A RECORD SNOWFALL OF 13.3 INCH(ES) WAS SET AT EAST RAPID CITY SD TODAY.
THIS BREAKS THE OLD RECORD OF 1.4 SET IN 2005.

 

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Today looks good for the fourth-snowiest day ever at Lead, South Dakota: 

LEAD (394834)ExtremesHighest Daily Snowfall (inches)Days: 1/1 - 12/31Length of period: 1 dayYears: 1909-2013Rank  Value  Ending Date  1    52.0  3/14/1973  2    45.1  11/6/2008  3    44.5  4/19/2006  4    42.0  10/4/2013

:snowing:  5 40.2 3/11/1988 6 39.2 5/2/2008 7 38.9 10/26/1996 8 35.2 4/26/1994 9 33.9 4/5/1997 10 33.8 2/27/1998

 

But check out some snow storms on 5 October at Lead, particularly in 1998: 

LEAD (394834)ExtremesHighest Daily Snowfall (inches)Days: 10/1 - 10/31Length of period: 1 dayYears: 1909-2013Rank  Value  Ending Date  1    42.0  10/4/2013  2    38.9  10/26/1996  3    33.4  10/5/1998  4    31.1  10/9/1982  5    26.7  10/22/1995  6    17.7  10/17/1998  7    17.3  10/29/2009  8    17.0  10/21/1958, 10/19/1932 10    16.9  10/5/1995
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Reading this, it's probably safe to assume most roads in the northern Black Hills are blocked with fallen trees. The trees sit on a shallow layer dirt with rock underneath - not the best anchoring setting for the trees.

 

 

1000 PM HEAVY SNOW 1 N DOWNTOWN RAPID CITY 44.10N 103.23W
10/04/2013 E15.0 INCH PENNINGTON SD TRAINED SPOTTER

SIGNIFICANT TREE DAMAGE AT MANY LOCATIONS NORTH OF
DOWNTOWN RAPID CITY. WIDESPREAD POWER OUTAGES DUE TO LINE
DAMAGE/TREE LIMBS FALLING ON OVERHEADS. SEVERAL STREETS
ARE PARTIALLY BLOCKED BY LARGE TREE BRANCHES. MOST SIDE
ROADS ARE IMPASSABLE BY ALL EXCEPT LARGE 4-WHEEL DRIVE
VEHICLES DUE TO SIGNIFICANT SNOW DRIFTS.

 

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Near downtown Rapid City...

 

1150 PM NON-TSTM WND GST 1 E DOWNTOWN RAPID CITY 44.08N 103.21W
10/04/2013 M67 MPH PENNINGTON SD OFFICIAL NWS OBS

 

Can't wait to see pictures come morning, assuming they have power to send them out!

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as much as NAM bashing is a lot of fun (it's a frequent past time in the ne forum esp in the winter), it did sniff out obscene snowfall totals with this storm just like it did with the feb storm in sne.

 

the model may not have exactly pinpointed the areas in sne but it was close enough and had the right idea...the nam always leaves just enough interest to not completely toss it out the window

 

liquid equivalents have to be approaching four inches in spots...snow depths may not be maximized due to severe winds but awe inspiring nonetheless

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Possibly the worst storm in the lower 48 this fall/winter and it comes in October. Not in total area, but in one spot.

Its going to be hard to beat, good way of looking at it!

 

Lead is in the lead!

 

 

43.5" is extreme impressive and no doubt a record for so early in the season. They're going to break 50" with no problem. Still alot of moisture backing into the BH.

 

Reports of extensive tree damage have been reported.

 

 

Record event no doubt.

:o Broke the record by that much? That's nearly 13X the previous record!! What a boss thing to happen  B) .

 

Well count me as surprised by this system too, didn't think SD was capable of producing such epic blizzards this early in the year including solely in the mountains or very high elevations. Not sure how to gauge the rarity of it either. Its SD's version of Lake Storm Aphid but only this is not lake effect snow. The Deadwood webcam isn't working for me either, stuff is goin' down.

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as much as NAM bashing is a lot of fun (it's a frequent past time in the ne forum esp in the winter), it did sniff out obscene snowfall totals with this storm just like it did with the feb storm in sne.

 

the model may not have exactly pinpointed the areas in sne but it was close enough and had the right idea...the nam always leaves just enough interest to not completely toss it out the window

 

liquid equivalents have to be approaching four inches in spots...snow depths may not be maximized due to severe winds but awe inspiring nonetheless

 

 

This isn't the thread for this.. but for every "sniff it out" NAM victory there seems to be a .5 ground report from the NAM showing a 1.5 qpf output. 

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Its going to be hard to beat, good way of looking at it!

 

:o Broke the record by that much? That's nearly 13X the previous record!! What a boss thing to happen  B) .

 

Well count me as surprised by this system too, didn't think SD was capable of producing such epic blizzards this early in the year including solely in the mountains or very high elevations. Not sure how to gauge the rarity of it either. Its SD's version of Lake Storm Aphid but only this is not lake effect snow. The Deadwood webcam isn't working for me either, stuff is goin' down.

 

Yeah, it broke the record "like a boss"! haha

 

Still trying to access any of the cams, but I'm thinking the power could be out for many areas.

 

Here's a DOT cam from Spearfish.

 

latest.jpg

 

I think that's the interstate...

 

Waiting to see the Lead total, this one is more Deadwood.

 

 

0834 AM HEAVY SNOW 2 WSW DEADWOOD 44.37N 103.77W

10/05/2013 E48.0 INCH LAWRENCE SD TRAINED SPOTTER

 

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Its going to be hard to beat, good way of looking at it!

 

:o Broke the record by that much? That's nearly 13X the previous record!! What a boss thing to happen  B) .

 

Well count me as surprised by this system too, didn't think SD was capable of producing such epic blizzards this early in the year including solely in the mountains or very high elevations. Not sure how to gauge the rarity of it either. Its SD's version of Lake Storm Aphid but only this is not lake effect snow. The Deadwood webcam isn't working for me either, stuff is goin' down.

I don't understand this 13X number you are quoting.

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