Summary of Major Ice Storm Dec 10-11

Major winter storm impacts central and south-central Kansas with damaging accumulations of ice

A very significant and fairly slow moving Pacific storm system dug into the southwestern portions of the country over the weekend.  Several smaller scale disturbances within this very active pattern created damaging and destructive ice accumulations from far southeastern Kansas into central Missouri, followed by significant ice accumulations from Oklahoma City to Tulsa on Sunday.  The final upper air disturbance then impacted much of central Kansas on Monday and Monday night.  Very rich low level moisture overspread a modified arctic airmass setting the stage for widespread moderate to heavy freezing rain.  Given the significant amounts of moisture and instability, a few thunderstorms were even observed across portions of southern Kansas!  Below is a summary of reports across portions of southwestern, south-central, and central Kansas within the Dodge City NWS forecast area of responsibility:
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DODGE CITY KS
250 PM CST TUE DEC 11 2007

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0715 PM FREEZING RAIN 5 E COLDWATER 37.26N 99.25W
12/10/2007 M0.25 INCH COMANCHE KS PUBLIC

ICE COVERING TREES AND POWER LINES

0739 PM FREEZING RAIN 3 E DODGE CITY 37.76N 99.96W
12/10/2007 M0.25 INCH FORD KS NWS EMPLOYEE

ICE COVERING TREES AND POWER LINES AT NWS OFFICE

0845 PM FREEZING RAIN PRATT 37.65N 98.74W
12/10/2007 E0.00 INCH PRATT KS LAW ENFORCEMENT

NUMEROUS TREE LIMBS OVER POWER LINES. TRANSFORMERS BLOWN.
POWER IS OUT IN MUCH OF PRATT.

0728 AM FREEZING RAIN BUCKLIN 37.55N 99.63W
12/11/2007 E0.50 INCH FORD KS CO-OP OBSERVER

SOME DOWNED POWER LINES AND A FEW BROKEN LIMBS

0728 AM FREEZING RAIN 4 SW ANTONINO 38.74N 99.44W
12/11/2007 E0.50 INCH ELLIS KS TRAINED SPOTTER

0737 AM FREEZING RAIN MULLINVILLE 37.59N 99.47W
12/11/2007 E0.50 INCH KIOWA KS TRAINED SPOTTER

TREE LIMBS DOWN

0737 AM FREEZING RAIN LARNED 38.18N 99.10W
12/11/2007 E0.50 INCH PAWNEE KS AMATEUR RADIO

0830 AM ICE STORM 8 N HUDSON 38.22N 98.66W
12/11/2007 STAFFORD KS FIRE DEPT/RESCUE

1/2 INCH AND GREATER ICE ACCUMULATION. 2.37 INCHES OF
MEASURED RAINFALL. NUMEROUS TREE BRANCHES DOWN. ALSO
RELAYED REPORT OF NUMEROUS POWER OUTAGES ACROSS THE
COUNTY AS WELL AS DOWNED POWERLINES PRIMARILY SOUTH OF
HIGHWAY 50.

0830 AM ICE STORM 4 S MINNEOLA 37.38N 100.01W
12/11/2007 CLARK KS TRAINED SPOTTER

1/2 TO 3/4 INCH ICE ACCUMULATION FROM 1.55 INCHES OF
FREEZING RAINFALL.

0830 AM ICE STORM 3 NW BISON 38.55N 99.24W
12/11/2007 RUSH KS CO-OP OBSERVER

3/4 INCH ICE ACCUMULATION FROM 1.29 INCHES OF FREEZING
RAINFALL. 0.4 INCHES SLEET ACCUMULATION AS WELL.

0911 AM ICE STORM 3 SSW HAVILAND 37.58N 99.13W
12/11/2007 KIOWA KS TRAINED SPOTTER

1/2 INCH ICE ACCUMULATION.

0919 AM ICE STORM COLDWATER 37.26N 99.34W
12/11/2007 COMANCHE KS TRAINED SPOTTER

1/2 INCH OF ICE ACCUMULATION.

0930 AM ICE STORM KINSLEY 37.92N 99.41W
12/11/2007 EDWARDS KS LAW ENFORCEMENT

WIDESPREAD POWER OUTAGES REPOTED COUNTYWIDE INCLUDING
KINSLEY, LEWIS, AND OFFERLE. NUMEROUS LARGE TREE LIMBS
AND POWERLINES DOWN.

1000 AM ICE STORM 3 E DODGE CITY 37.76N 99.96W
12/11/2007 FORD KS NWS EMPLOYEE

UP TO 3/4 INCH ICE ACCUMULATION ON TREE LIMBS AT NWS
OFFICE

1130 AM ICE STORM 4 N MONTEZUMA 37.65N 100.44W
12/11/2007 GRAY KS TRAINED SPOTTER

ESTIMATED AROUND 1/4 INCH ICE ACCUMULATION ON TREE
BRANCHES

1130 AM ICE STORM 6 SW MEADE 37.22N 100.42W
12/11/2007 MEADE KS TRAINED SPOTTER

UP TO 1/2 INCH ICE ACCUMULATION. AROUND 1.50 INCHES OF
LIQUID EQUIVALENT PRECIPITATION

1130 AM ICE STORM 1 W ALAMOTA 38.44N 100.33W
12/11/2007 LANE KS TRAINED SPOTTER

1/4 TO 1/2 INCH ICE ACCUMULATION ON POWER LINES

1130 AM ICE STORM 11 S BEELER 38.27N 100.20W
12/11/2007 NESS KS TRAINED SPOTTER

UP TO 1/2 INCH ICE ACCUMULATION ON EXPOSED SURFACES.
TREES DROOPED TO THE GROUND

1130 AM ICE STORM 8 SW JETMORE 38.00N 100.00W
12/11/2007 HODGEMAN KS TRAINED SPOTTER

1/4 TO 1/2 INCH ICE ACCUMULATION ON EXPOSED SURFACES

0212 PM ICE STORM 13 SE ASHLAND 37.05N 99.60W
12/11/2007 CLARK KS CO-OP OBSERVER

ESTIMATED A 1/2 INCH OF ICE ACCUMULATION ON TREE
BRANCHES. 5 INCH DIAMETER TREE BRANCHES WERE BROKEN.



Here is a map showing the reported precipitation from this storm during the 24-hr period
from 6am Monday 12/10 to 6am Tuesday 12/11. In red contours is the estimated ice
accumulations on exposed surfaces from the freezing rain:



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