Alert archive / Kansas / Winter Storm Warnings in 2009

Winter Storm Warning 4, NWS Topeka, KS

December 23, 200923 counties in Kansas

NWS Topeka, KS issued this winter storm warning at Dec 23, 2009, 2:56 PM CST for 23 counties in Kansas. It took effect at Dec 24, 2009, 12:00 AM CST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 23, 2009, 2:56 PM CST (20:56 UTC)
In effect from
Dec 24, 2009, 12:00 AM CST
Expired
Dec 24, 2009, 3:13 PM CST
In force
15 hr
Issued by
NWS Topeka, KS
All 23 counties

Anderson County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 16 km from the middle of the area, began a volume at 20:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.9 hours before the alert went out and 61 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2009-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2009-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
420 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KTOP 232056
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
256 PM CST WED DEC 23 2009

...SIGNIFICANT WINTER STORM MOVING INTO THE PLAINS LATE TONIGHT
INTO FRIDAY AFTERNOON...

A MAJOR WINTER STORM WILL MOVE INTO AREA FROM THE SOUTH TO NORTH
OVERNIGHT TONIGHT...WITH SIGNIFICANT SNOWFALL OVER THE AREA BY
THURSDAY NIGHT.

KSZ008-009-020-021-034-035-240500-
/O.UPG.KTOP.WS.A.0003.091224T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0004.091224T0600Z-091226T0000Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-DICKINSON-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER...ABILENE
256 PM CST WED DEC 23 2009

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 PM CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.


* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF UP TO SIX
  INCHES ARE POSSIBLE IN THE WARNED AREA.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME NEARLY IMPOSSIBLE THURSDAY AND
  THURSDAY THROUGH FRIDAY MORNING. SIGNIFICANT DRIFTING IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&


$$

KSZ010>012-022>024-036>038-054-240500-
/O.UPG.KTOP.WS.A.0003.091224T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0004.091224T1200Z-091226T0000Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-GEARY-MORRIS-
WABAUNSEE-LYON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN...
JUNCTION CITY...EMPORIA
256 PM CST WED DEC 23 2009

...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
6 AM THURSDAY TO 6 PM CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT. 

* TIMING...RAIN WILL RAPIDLY CHANGE TO SNOW EARLY THURSDAY
  MORNING. 

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF SIX TO 10
  INCHES...WITH LOCALLY HIGHER AMOUNTS... WILL BE POSSIBLE BY FRIDAY
  AFTERNOON. HEAVY SNOW WILL MOVE EASTWARD THROUGH THE DAY
  THURSDAY AFFECTING ALL AREAS BY THURSDAY AFTERNOON.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME NEARLY IMPOSSIBLE THURSDAY THROUGH
  FRIDAY. SIGNIFICANT DRIFTING IS LIKELY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ANY TRAVEL IS STRONGLY DISCOURAGED. IF YOU LEAVE THE SAFETY OF
BEING INDOORS...YOU ARE PUTTING YOUR LIFE AT RISK.

&&

$$

KSZ026-039-040-055-056-058-059-240500-
/O.UPG.KTOP.WS.A.0003.091224T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0004.091224T1800Z-091226T0000Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...TOPEKA...LAWRENCE...OTTAWA
256 PM CST WED DEC 23 2009

...WINTER STORM WARNING IN EFFECT FROM NOON THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
NOON THURSDAY TO 6 PM CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT. 

* TIMING...RAIN THURSDAY MORNING WILL RAPIDLY CHANGE TO SNOW IN
  THE AFTERNOON ACROSS THE WARNED AREA.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF SIX TO 8
  INCHES WILL BE POSSIBLE BY FRIDAY AFTERNOON. LOCALLY HIGHER
  AMOUNTS ARE POSSIBLE. HEAVY SNOW WILL MOVE EASTWARD THROUGH THE
  DAY THURSDAY AFFECTING ALL AREAS BY THURSDAY AFTERNOON.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME NEARLY IMPOSSIBLE THURSDAY
  AFTERNOON THROUGH FIRDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ANY TRAVEL IS STRONGLY DISCOURAGED. IF YOU LEAVE THE SAFETY OF
BEING INDOORS...YOU ARE PUTTING YOUR LIFE AT RISK.

&&

$$

HARDING
4 follow-up statements
000 
WWUS43 KTOP 232057 CCA
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
256 PM CST WED DEC 23 2009

...SIGNIFICANT WINTER STORM MOVING INTO THE PLAINS LATE TONIGHT
INTO FRIDAY AFTERNOON...

A MAJOR WINTER STORM WILL MOVE INTO AREA FROM THE SOUTH TO NORTH
OVERNIGHT TONIGHT...WITH SIGNIFICANT SNOWFALL OVER THE AREA BY
THURSDAY NIGHT.

KSZ008-009-020-021-034-035-240500-
/O.UPG.KTOP.WS.A.0003.091224T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0004.091224T0600Z-091226T0000Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-DICKINSON-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER...ABILENE
256 PM CST WED DEC 23 2009

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 PM CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.


* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF UP TO SIX
  INCHES ARE POSSIBLE IN THE WARNED AREA.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME NEARLY IMPOSSIBLE THURSDAY AND
  THURSDAY THROUGH FRIDAY MORNING. SIGNIFICANT DRIFTING IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&


$$

KSZ010>012-022>024-036>038-054-240500-
/O.UPG.KTOP.WS.A.0003.091224T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0004.091224T1200Z-091226T0000Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-GEARY-MORRIS-
WABAUNSEE-LYON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN...
JUNCTION CITY...EMPORIA
256 PM CST WED DEC 23 2009

...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
6 AM THURSDAY TO 6 PM CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT. 

* TIMING...RAIN WILL RAPIDLY CHANGE TO SNOW EARLY THURSDAY
  MORNING. 

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF SIX TO 10
  INCHES...WITH LOCALLY HIGHER AMOUNTS... WILL BE POSSIBLE BY FRIDAY
  AFTERNOON. HEAVY SNOW WILL MOVE EASTWARD THROUGH THE DAY
  THURSDAY AFFECTING ALL AREAS BY THURSDAY AFTERNOON.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME NEARLY IMPOSSIBLE THURSDAY THROUGH
  FRIDAY. SIGNIFICANT DRIFTING IS LIKELY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ANY TRAVEL IS STRONGLY DISCOURAGED. IF YOU LEAVE THE SAFETY OF
BEING INDOORS...YOU ARE PUTTING YOUR LIFE AT RISK.

&&

$$

KSZ026-039-040-055-056-058-059-240500-
/O.UPG.KTOP.WS.A.0003.091224T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0004.091224T1800Z-091226T0000Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...TOPEKA...LAWRENCE...OTTAWA
256 PM CST WED DEC 23 2009

...WINTER STORM WARNING IN EFFECT FROM NOON THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
NOON THURSDAY TO 6 PM CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT. 

* TIMING...RAIN THURSDAY MORNING WILL RAPIDLY CHANGE TO SNOW IN
  THE AFTERNOON ACROSS THE WARNED AREA.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF SIX TO 8
  INCHES WILL BE POSSIBLE BY FRIDAY AFTERNOON. LOCALLY HIGHER
  AMOUNTS ARE POSSIBLE. HEAVY SNOW WILL MOVE EASTWARD THROUGH THE
  DAY THURSDAY AFFECTING ALL AREAS BY THURSDAY AFTERNOON.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME NEARLY IMPOSSIBLE THURSDAY
  AFTERNOON THROUGH FRIDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ANY TRAVEL IS STRONGLY DISCOURAGED. IF YOU LEAVE THE SAFETY OF
BEING INDOORS...YOU ARE PUTTING YOUR LIFE AT RISK.

&&

$$

HARDING
000 
WWUS43 KTOP 240359
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
959 PM CST WED DEC 23 2009

...SIGNIFICANT WINTER STORM MOVING INTO THE PLAINS LATE TONIGHT
INTO FRIDAY AFTERNOON...

A MAJOR WINTER STORM WILL MOVE INTO AREA FROM THE SOUTH TO NORTH
OVERNIGHT TONIGHT...WITH SIGNIFICANT SNOWFALL AND WINDY CONDITIONS
EXPECTED OVER THE AREA BY THURSDAY NIGHT.

KSZ008-009-020-021-034-035-241200-
/O.CON.KTOP.WS.W.0004.091224T0600Z-091226T0000Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-DICKINSON-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER...ABILENE
959 PM CST WED DEC 23 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY. 

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF UP TO SIX 
  INCHES ARE POSSIBLE IN THE WARNED AREA. 

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT THURSDAY AND
  THURSDAY THROUGH FRIDAY MORNING. DRIFTING OF SNOW ACROSS
  ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN
EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

KSZ010>012-022>024-036>038-054-241200-
/O.CON.KTOP.WS.W.0004.091224T1200Z-091226T0000Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-GEARY-MORRIS-
WABAUNSEE-LYON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN...
JUNCTION CITY...EMPORIA
959 PM CST WED DEC 23 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO
6 PM CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO
6 PM CST FRIDAY. 

* TIMING...RAIN WILL RAPIDLY CHANGE TO SNOW EARLY THURSDAY
  MORNING. SOME LIGHT ACCUMULATIONS OF FREEZING DRIZZLE ARE
  POSSIBLE AS THE RAIN CHANGES TO SNOW.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF SIX INCHES
  WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE ESPECIALLY ACROSS NORTHEAST KANSAS. HEAVY SNOW
  WILL MOVE EASTWARD THROUGH THE DAY THURSDAY AFFECTING ALL AREAS
  BY THURSDAY AFTERNOON.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT THURSDAY THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATIONS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

KSZ026-039-040-055-056-058-059-241200-
/O.CON.KTOP.WS.W.0004.091224T1800Z-091226T0000Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...TOPEKA...LAWRENCE...OTTAWA
959 PM CST WED DEC 23 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON THURSDAY TO
6 PM CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON THURSDAY TO
6 PM CST FRIDAY. 

* TIMING...RAIN THURSDAY MORNING WILL RAPIDLY CHANGE TO SNOW IN 
  THE AFTERNOON ACROSS THE WARNED AREA. 

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF SIX INCHES
  WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE. HEAVY SNOW WILL MOVE EASTWARD THROUGH THE DAY
  THURSDAY AFFECTING ALL AREAS BY THURSDAY AFTERNOON.

* WINDS...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH 
  GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS WILL 
  RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD CONDITIONS 
  AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW. 

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT THURSDAY AFTERNOON
  THROUGH FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATIONS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$
000 
WWUS43 KTOP 240933
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
333 AM CST THU DEC 24 2009

KSZ008-009-020-021-034-035-241745-
/O.CAN.KTOP.WS.W.0004.000000T0000Z-091226T0000Z/
/O.NEW.KTOP.WW.Y.0011.091224T1200Z-091226T0000Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-DICKINSON-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER...ABILENE
333 AM CST THU DEC 24 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...BLOWING SNOW AND WIND CHILL...WHICH
IS IN EFFECT UNTIL 6 PM CST FRIDAY. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF ONE TO TWO
  INCHES WILL BE POSSIBLE IN THE ADVISORY AREA.

* WIND...NORTH WIND WILL INCREASE TO 25 TO 35 MPH WITH GUSTS AS
  HIGH AS 45 MPH ON THURSDAY AND FRIDAY. THIS WILL RESULT IN
  REDUCED VISIBILITY DUE TO BLOWING SNOW.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN
  BELOW ZERO ON FRIDAY.  

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT TODAY THROUGH
  FRIDAY MORNING. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

KSZ022-036-037-241745-
/O.CAN.KTOP.WS.W.0004.091224T1200Z-091226T0000Z/
/O.NEW.KTOP.WW.Y.0011.091224T1200Z-091226T0000Z/
RILEY-GEARY-MORRIS-
INCLUDING THE CITIES OF...MANHATTAN...JUNCTION CITY
333 AM CST THU DEC 24 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...BLOWING SNOW AND WIND CHILL...WHICH
IS IN EFFECT UNTIL 6 PM CST FRIDAY. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF ONE TO TWO
  INCHES WILL BE POSSIBLE IN THE ADVISORY AREA.

* WIND...NORTH WIND WILL INCREASE TO 25 TO 35 MPH WITH GUSTS AS
  HIGH AS 45 MPH ON THURSDAY AND FRIDAY. THIS WILL RESULT IN
  REDUCED VISIBILITY DUE TO BLOWING SNOW.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN
  BELOW ZERO ON FRIDAY.  

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT TODAY THROUGH
  FRIDAY MORNING. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.


&&

$$

KSZ026-039-040-055-056-058-059-241745-
/O.EXT.KTOP.WS.W.0004.091224T1200Z-091226T0000Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...TOPEKA...LAWRENCE...OTTAWA
333 AM CST THU DEC 24 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM CST FRIDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM CST FRIDAY. 

* TIMING...RAIN WILL MIX WITH FREEZING RAIN AND SLEET BEFORE
  CHANGING OVER COMPLETELY TO SNOW BY THIS AFTERNOON.   

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 TO 7
  INCHES WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY
  HIGHER AMOUNTS POSSIBLE. 

* WIND...NORTH WIND WILL INCREASE TO 25 TO 35 MPH WITH GUSTS AS
  HIGH AS 45 MPH ON THURSDAY AND FRIDAY. THIS WILL RESULT IN
  REDUCED VISIBILITY..WITH NEAR BLIZZARD CONDITIONS AT
  TIMES...AS WELL AS BLOWING AND DRIFTING SNOW.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN
  BELOW ZERO ON FRIDAY.

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT TODAY THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATIONS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

KSZ010>012-023-024-038-054-241745-
/O.CON.KTOP.WS.W.0004.091224T1200Z-091226T0000Z/
MARSHALL-NEMAHA-BROWN-POTTAWATOMIE-JACKSON-WABAUNSEE-LYON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...EMPORIA
333 AM CST THU DEC 24 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY. 

* TIMING...RAIN WILL MIX WITH FREEZING RAIN AND SLEET BEFORE
  CHANGING OVER COMPLETELY TO SNOW BY THIS AFTERNOON.   

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 TO 7
  INCHES WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY
  HIGHER AMOUNTS POSSIBLE. 

* WIND...NORTH WIND WILL INCREASE TO 25 TO 35 MPH WITH GUSTS AS
  HIGH AS 45 MPH ON THURSDAY AND FRIDAY. THIS WILL RESULT IN
  REDUCED VISIBILITY..WITH NEAR BLIZZARD CONDITIONS AT
  TIMES...AS WELL AS BLOWING AND DRIFTING SNOW.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN
  BELOW ZERO ON FRIDAY.

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT TODAY THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATIONS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

SALLY
000 
WWUS43 KTOP 242113
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
313 PM CST THU DEC 24 2009

KSZ010>012-023-024-026-038>040-054>056-058-059-250515-
/O.CAN.KTOP.WS.W.0004.000000T0000Z-091226T0000Z/
/O.NEW.KTOP.BZ.W.0002.091224T2113Z-091226T0000Z/
MARSHALL-NEMAHA-BROWN-POTTAWATOMIE-JACKSON-JEFFERSON-WABAUNSEE-
SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...TOPEKA...
LAWRENCE...EMPORIA...OTTAWA
313 PM CST THU DEC 24 2009

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST FRIDAY. THE WINTER
STORM WARNING HAS BEEN CANCELED. 

* TIMING...HEAVY SNOW WILL CONTINUE THROUGH THE NIGHT.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES
  WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE.

* WIND...NORTH WIND WILL INCREASE TO 35 TO 40 MPH WITH GUSTS AS
  HIGH AS 50 MPH TONIGHT AND FRIDAY. THIS WILL RESULT IN REDUCED
  VISIBILITY UNDER ONE QUARTER MILE TO NEAR ZERO AT TIMES..WITH
  BLIZZARD CONDITIONS.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN 
  BELOW ZERO ON FRIDAY. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DIFFICULT TONIGHT THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. ANY TRAVEL IS STRONGLY DISCOURAGED. 
IF YOU LEAVE THE SAFETY OF BEING INDOORS...YOU ARE PUTTING YOUR
LIFE AT RISK.

&&

$$

KSZ022-036-037-250515-
/O.UPG.KTOP.WW.Y.0011.000000T0000Z-091226T0000Z/
/O.NEW.KTOP.BZ.W.0002.091224T2113Z-091226T0000Z/
RILEY-GEARY-MORRIS-
INCLUDING THE CITIES OF...MANHATTAN...JUNCTION CITY
313 PM CST THU DEC 24 2009

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST FRIDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...HEAVY SNOW WILL CONTINUE THROUGH THE NIGHT.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES
  WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE.

* WIND...NORTH WIND WILL INCREASE TO 35 TO 40 MPH WITH GUSTS AS
  HIGH AS 50 MPH TONIGHT AND FRIDAY. THIS WILL RESULT IN REDUCED
  VISIBILITY UNDER ONE QUARTER MILE TO NEAR ZERO AT TIMES..WITH
  BLIZZARD CONDITIONS.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN 
  BELOW ZERO ON FRIDAY. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DIFFICULT TONIGHT THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. ANY TRAVEL IS STRONGLY DISCOURAGED. 
IF YOU LEAVE THE SAFETY OF BEING INDOORS...YOU ARE PUTTING YOUR
LIFE AT RISK

&&

$$

KSZ009-021-035-250515-
/O.UPG.KTOP.WW.Y.0011.000000T0000Z-091226T0000Z/
/O.NEW.KTOP.WS.W.0005.091224T2113Z-091226T0000Z/
WASHINGTON-CLAY-DICKINSON-
INCLUDING THE CITIES OF...CLAY CENTER...ABILENE
313 PM CST THU DEC 24 2009

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM
CST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...MODERATE TO AT TIMES HEAVY SNOW WILL CONTINUE THROUGH
  THE NIGHT AND TAPER OFF THROUGH THE DAY FRIDAY.

* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES
  WILL BE POSSIBLE BY FRIDAY AFTERNOON...WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE.

* WIND...NORTH WIND WILL INCREASE TO 35 TO 40 MPH WITH GUSTS AS
  HIGH AS 50 MPH ON TONIGHT AND FRIDAY. THIS WILL RESULT IN REDUCED
  VISIBILITY...WITH NEAR BLIZZARD CONDITIONS AT TIMES...AS WELL AS
  BLOWING AND DRIFTING SNOW.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN
  BELOW ZERO ON FRIDAY.

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT TODAY THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATIONS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

KSZ008-020-034-250515-
/O.CON.KTOP.WW.Y.0011.000000T0000Z-091226T0000Z/
REPUBLIC-CLOUD-OTTAWA-
INCLUDING THE CITY OF...CONCORDIA
313 PM CST THU DEC 24 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
FRIDAY.
 
* TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF ONE TO THREE
  INCHES WILL BE POSSIBLE IN THE ADVISORY AREA.

* WIND...NORTH WIND WILL INCREASE TO 35 TO 40 MPH WITH GUSTS AS
  HIGH AS 50 MPH ON THURSDAY AND FRIDAY. THIS WILL RESULT IN
  REDUCED VISIBILITY DUE TO BLOWING SNOW.

* WIND CHILL...WIND CHILL READINGS WILL BE FROM FIVE TO FIFTEEN 
  BELOW ZERO ON FRIDAY. 

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT TONIGHT THROUGH
  FRIDAY. DRIFTING OF SNOW ACROSS ROADWAYS IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this winter storm warning went out at Dec 23, 11:46 AM CST, 3 hours 10 minutes earlier.

Area forecast discussion, Dec 23, 11:46 AM CST, 3 hours 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TOPEKA KS
1146 AM CST WED DEC 23 2009

.UPDATE...

UPDATED FOR 18Z TAFS

&&

.DISCUSSION...

SEE PREVIOUS DISCUSSION

&&

.AVIATION...

DIFFICULT FORECAST CONTINUES. CONVECTION FIRED OVER SE KS THIS
MORNING RESULTING FROM A SMALL UPPER WAVE QUICKLY MOVING THROUGH
THE AREA AS EVIDENCED BY WATER VAPOR IMAGERY AND A WARM FRONT
MOVING NORTH. EXPECT CONVECTION TO DIMINISH ONCE THIS WAVE MOVES
THROUGH BY 20/21Z. SEVERAL PROBLEMS REVOLVING AROUND CIGS AND
VSBYS. VSBYS HAVE DROPPED TO VLIFR CONDITIONS IN SOME LOCATIONS
BEHIND THE WARM FRONT. DO EXPECT CONDITIONS TO IMPROVE SOMEWHAT
ONCE THE COLD FRONT PASSES THROUGH MHK BY 21Z AND TOP/FOE BY 23Z.
NEXT CONCERN IS WHEN THE PRECIP WILL CHANGE OVER TO FREEZING OR
FROZEN. NAM AND GFS MODELS DIFFER IN TIMING WITH GFS MUCH LATER.
DECIDED TO BLEND AND PLACED PL IN THE TAFS AFT 10Z AT MHK AND 15Z
AT TOP/FOE AS SFC TEMPS FALL BELOW FREEZING. LEANING MORE TOWARD
PL AS FORECASTED COLUMN INDICATES BELOW FREEZING TEMPS FROM SFC TO
3K FT.

BYRNE

&&

PREV DISCUSSION... /ISSUED 408 AM CST WED DEC 23 2009/

.SIGNIFICANT WINTER STORM TO AFFECT THE AREA TONIGHT THROUGH CHRISTMAS...

DISCUSSION...H5 LOW WAS NEAR THE 4 CORNERS REGION WITH A SECOND LOW OVER SW
CANADA.  THIS WILL BE THE MAIN FOCUS FOR THE UPCOMING WINTER STORM
LATER TONIGHT THROUGH CHRISTMAS DAY.

00Z RUNS MADE QUITE A SHIFT TO THE EAST WITH THIS SYSTEM COMPARED TO
YESTERDAYS 00Z RUNS.  THE 06Z NAM/GFS SO FAR HAVE NOT DIGRESSED MUCH
FROM THE 00Z RUNS SO THERE IS SLIGHTLY MORE CONFIDENCE WITH THE SNOW
FORECAST THAN PREVIOUSLY THOUGHT.

TODAY/TONIGHT...AREA OF PRECIP WAS MOVING NORTH ACROSS THE STATE
AHEAD OF A SHWV AND ASSOCIATED WMFNT.  TEMPS WERE RISING BY A FEW
DEGREES AS THE PRECIP GOES THROUGH AND THERE IS SOME CONCERN THAT
THE FZRA MAY NOT MATERIALIZE OVER THE ENTIRE ADVISORY AREA.  WILL
CONTINUE TO MONITOR AND KEEP THE ADVISORY HEADLINE FOR NOW AND WILL
REASSESS OVER THE NEXT FEW HOURS.  THE NEXT BEST CHANCE FOR ANY FZRA
WILL BE LATER TONIGHT.  H5 LOW CONTINUES TO DEEPEN AS IT DIVES SOUTH
INTO SOUTHWEST TEXAS LATER TONIGHT.  A SURGE OF WARMER AIR OVER THE
CWA AT H85 WITH LITTLE CHANGE IN TEMPS AT THE SURFACE, WHICH ARE
HOVERING AROUND FREEZING IN THE ADVISORY AREA, WILL RESULT IN
PERIODS OF FZRA/IP THIS EVENING FOR NORTH CENTRAL KANSAS.  MOST OF
THE AREA HOWEVER WILL SEE RAIN AND POSSIBLY THUNDERSTORMS THIS
AFTERNOON AND EVENING.

THURSDAY/THURS NIGHT...THIS IS THE START OF THE WORST PART OF THE
STORM.  SNOW BEGINS TO BECOME THE PREDOMINANT WEATHER TYPE ON
THURSDAY AS THE SOUTHERN STREAM LOW BEGINS TO JOIN UP WITH THE
NORTHERN STREAM AND BECOME NEGATIVELY TILTED.  THE RESULTANT SURFACE
LOW DEEPENS VERY RAPIDLY AND THE 00Z RUNS TRACK THIS LOW FARTHER TO
THE EAST THEREFORE MOVING THE HEAVY SNOW AXIS TO THE EAST AS WELL.
ITS LOOKING LIKE THE TOPEKA/LAWRENCE AREA WILL BEAR THE BRUNT OF
THIS STORM.  WITH THE RAPIDLY DEEPENING SURFACE LOW COMES VERY
STRONG WIND AS WELL AS BLOWING SNOW.  NEAR BLIZZARD CONDITIONS WILL
BE POSSIBLE ON THURSDAY AFTERNOON AND EVENING MAKING ANY TRAVEL VERY
TREACHEROUS.  THE SURFACE LOW WILL SWING NORTH INTO IOWA BY LATE
THURSDAY NIGHT KEEPING THE EASTERN THIRD OF THE TOP CWA IN THE HEAVY
SNOW AXIS FOR MOST OF THE NIGHT.

CHRISTMAS DAY/NIGHT...THE H5 SYSTEM BECOMES VERY WOUND UP AND BEGINS
TO PUSH THE SURFACE LOW BACK WEST SLIGHTLY INTO NEBRASKA.  MY BIG
CONCERN ARE THE FEW NORTHEAST COUNTIES THAT BORDER NEBRASKA AND
MISSOURI AS THIS LOW PIVOTS AROUND AND A VERY STRONG TROWAL SETS UP
THAT AREA COULD SEE CONTINUOUS SNOW FROM THURSDAY NIGHT INTO FRIDAY
EVENING.  THIS OF COURSE IS ASSUMING THE H5 AND SFC LOW TAKE THE
TRACK THAT IS CURRENTLY FORECAST BY THE MODELS BUT IT BEARS
WATCHING.  EITHER WAY THE H5 SYSTEM DOESNT MOVE MUCH AT ALL AND A
BLOCKING PATTERN EMERGES MAKING CONTINUED SNOW ON CHRISTMAS DAY EVER
MORE LIKELY.

SATURDAY AND SUNDAY...LITTLE CHANGES MADE TO THE GOING FORECAST AS
SNOW TAPERS OFF ON SATURDAY. COLD TEMPS CAN BE EXPECTED THROUGH
THE WEEKEND.

SALLY

&&

.TOP WATCHES/WARNINGS/ADVISORIES...WINTER STORM WATCH FROM 6 PM WEDNESDAY TO 6 PM FRIDAY FOR KSZ008-
KSZ009-KSZ010-KSZ011-KSZ012-KSZ020-KSZ021-KSZ022-KSZ023-KSZ024-
KSZ026-KSZ034-KSZ035-KSZ036-KSZ037-KSZ038-KSZ039-KSZ040-KSZ054-
KSZ055-KSZ056-KSZ058-KSZ059.

&&

BYRNE
Hazardous weather outlook, Dec 23, 3:50 AM CST, 11 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TOPEKA KS
350 AM CST WED DEC 23 2009

KSZ008>012-020>024-026-034>040-054>056-058-059-241000-
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
350 AM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH
CENTRAL AND NORTHEAST KANSAS.

.DAY ONE...TODAY AND TONIGHT

LIGHT ICE ACCUMULATIONS OF FREEZING RAIN WILL CONTINUE THROUGH MID
MORNING ALONG AND NORTH OF A LINE FROM HIAWATHA TO MINNEAPOLIS.
TOTAL ICE ACCUMULATIONS OF ONE TENTH OF AN INCH ARE POSSIBLE.

A MAJOR WINTER STORM WILL APPROACH THE REGION TONIGHT. RAIN WILL
TRANSITION TO SNOW THIS EVENING INTO THE OVERNIGHT HOURS ACROSS
NORTH CENTRAL KANSAS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE WINTER STORM SYSTEM AND ACCUMULATING SNOWFALL WILL AFFECT THE
ENTIRE OUTLOOK AREA THURSDAY INTO FRIDAY. TOTAL SNOWFALL
ACCUMULATIONS OF SIX OR MORE INCHES WILL BE POSSIBLE BY FRIDAY
AFTERNOON ALONG AND EAST OF A LINE FROM MARYSVILLE TO ALMA TO
BURLINGTON. ADDITIONALLY...NORTHERLY WINDS WILL INCREASE TO 25 TO
35 MPH WITH GUSTS AS HIGH AS 45 MPH ON THURSDAY INTO FRIDAY. THIS
WILL RESULT IN REDUCED VISIBILITIES...WITH NEAR BLIZZARD
CONDITIONS AT TIMES...AS WELL AS BLOWING AND DRIFTING SNOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ICE AND SNOWFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE IN TOPEKA DURING THE WINTER STORM.

BLAIR

In the hours before

Special weather statement, Dec 23, 9:21 AM CST, 5 hours 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
921 AM CST WED DEC 23 2009

KSZ058-059-231615-
ANDERSON-COFFEY-
921 AM CST WED DEC 23 2009

...SIGNIFICANT WEATHER ALERT FOR COFFEY AND ANDERSON COUNTIES...

THROUGH 1015 AM CST...A CLUSTER OF THUNDERSTORMS WILL MOVE NORTHEAST
AT 35 MPH ACROSS PORTIONS OF COFFEY AND ANDERSON COUNTIES. NATIONAL
WEATHER SERVICE DOPPLER RADAR INDICATED THIS CLUSTER OF STORMS IS
CAPABLE OF PRODUCING HAIL UP TO PENNY SIZE HAIL AND HEAVY RAIN. SOME
LOCATIONS THAT COULD BE AFFECTED INCLUDE GRIDLEY...
LE ROY...BURLINGTON...JOHN REDMOND RESERVOIR...COLONY...NEW
STRAWN...WESTPHALIA...LONE ELM...KINCAID...BETO
JUNCTION...WAVERLY...HARRIS AND GARNETT.
Local storm report, Dec 23, 9:29 AM CST, 5 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
929 AM CST WED DEC 23 2009

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

0925 AM     HAIL             3 E LE ROY              38.08N 95.58W
12/23/2009  E0.75 INCH       COFFEY             KS   TRAINED SPOTTER

&&

BYRNE
Special weather statement, Dec 23, 1:40 PM CST, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
140 PM CST WED DEC 23 2009

KSZ012-024-232015-
BROWN-JACKSON-
140 PM CST WED DEC 23 2009

...SIGNIFICANT WEATHER ALERT FOR BROWN AND JACKSON COUNTIES...

THROUGH 215 PM CST...A STRONG THUNDERSTORM WILL MOVE NORTHEAST AT 35
MPH ACROSS NORTHERN JACKSON AND SOUTHERN AND CENTRAL BROWN COUNTIES.
THIS THUNDERSTORM WILL BE CAPABLE OF PRODUCING HAIL UP TO PENNY
SIZE. SOME LOCATIONS THAT COULD BE AFFECTED INCLUDE KICKAPOO
RESERVATION...POWHATTAN AND WILLIS.

STAY ALERT TO THE WEATHER IN CASE A WARNING IS ISSUED.

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 9:44 AM CSTSevere Thunderstorm WarningTOPAnderson31 min

Nearby

Winter Storm Warnings in Kansas, 2009Every winter storm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.