Alert archive / Ohio / Winter Storm Watches in 2012

Winter Storm Watch 2, NWS Wilmington, OH

December 24, 201224 counties in Ohio; 8 counties in Indiana; Boone County, Carroll County, Gallatin County, Kentucky

NWS Wilmington, OH issued this winter storm watch at Dec 24, 2012, 3:56 AM EST for 24 counties in Ohio; 8 counties in Indiana; Boone County, Carroll County, Gallatin County, Kentucky. It took effect at Dec 26, 2012, 1:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 24, 2012, 3:56 AM EST (08:56 UTC)
In effect from
Dec 26, 2012, 1:00 AM EST
Expired
Dec 25, 2012, 3:46 PM EST
In force
Issued by
NWS Wilmington, OH
All 35 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Carroll County, KY, Gallatin County, KY, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Preble County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 45 km from the middle of the area, began a volume at 09:00 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.9 hours before the alert went out and 45 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, Cncnati-Daytn, OH at 00:00Z on 2012-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2012-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.1939587897Sfc1 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
1281 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
170 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.

479 
WWUS41 KILN 240856
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
356 AM EST MON DEC 24 2012

.A LOW PRESSURE SYSTEM IS FORECAST TO DEVELOP OVER TEXAS AND
TRACK THROUGH THE TENNESSEE VALLEY TO THE OHIO VALLEY CHRISTMAS
NIGHT INTO WEDNESDAY. AN AREA OF HEAVY SNOW IS EXPECTED TO DEVELOP
NORTHWEST OF THE LOW TRACK.

INZ050-OHZ026-034-035-042>044-241700-
/O.NEW.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
WAYNE-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
INCLUDING THE CITIES OF...RICHMOND...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE
356 AM EST MON DEC 24 2012

...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
LATE WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
LATE WEDNESDAY NIGHT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 7 INCHES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$
6 follow-up statements
129 
WWUS41 KILN 241540
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
1040 AM EST MON DEC 24 2012

.A LOW PRESSURE SYSTEM IS FORECAST TO DEVELOP OVER TEXAS AND
TRACK THROUGH THE TENNESSEE VALLEY TO THE OHIO VALLEY CHRISTMAS
NIGHT INTO WEDNESDAY. AN AREA OF HEAVY SNOW IS EXPECTED TO
DEVELOP NORTHWEST OF THE LOW TRACK.

INZ050-OHZ026-034-035-042>044-242345-
/O.CON.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
WAYNE-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
INCLUDING THE CITIES OF...RICHMOND...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE
1040 AM EST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH LATE WEDNESDAY NIGHT...

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 7 INCHES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$
897 
WWUS41 KILN 242106
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
406 PM EST MON DEC 24 2012

.A LOW PRESSURE SYSTEM IS FORECAST TO DEVELOP OVER TEXAS AND
TRACK THROUGH THE TENNESSEE VALLEY TO THE OHIO VALLEY CHRISTMAS
NIGHT INTO WEDNESDAY. AN AREA OF HEAVY SNOW IS EXPECTED TO
DEVELOP NORTHWEST OF THE LOW TRACK.

INZ058-059-066-OHZ045-046-051>056-060>062-070-071-250515-
/O.EXA.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
FAYETTE IN-UNION IN-FRANKLIN IN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-
CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-BUTLER-
WARREN-
INCLUDING THE CITIES OF...CONNERSVILLE...LIBERTY...BROOKVILLE...
MARYSVILLE...DELAWARE...PIQUA...URBANA...SPRINGFIELD...LONDON...
COLUMBUS...NEWARK...EATON...DAYTON...XENIA...HAMILTON...LEBANON
406 PM EST MON DEC 24 2012

...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
LATE WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
LATE WEDNESDAY NIGHT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 6 INCHES. SLEET MAY
  MIX WITH THE SNOW ON WEDNESDAY.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$

INZ050-OHZ026-034-035-042>044-250515-
/O.CON.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
WAYNE-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
INCLUDING THE CITIES OF...RICHMOND...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE
406 PM EST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH LATE WEDNESDAY NIGHT...

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$
628 
WWUS41 KILN 250229
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
929 PM EST MON DEC 24 2012

.A LOW PRESSURE SYSTEM IS FORECAST TO DEVELOP OVER TEXAS AND
TRACK THROUGH THE TENNESSEE VALLEY TO THE OHIO VALLEY CHRISTMAS
NIGHT INTO WEDNESDAY. AN AREA OF HEAVY SNOW IS EXPECTED TO
DEVELOP NORTHWEST OF THE LOW TRACK.

INZ050-OHZ026-034-035-042>044-251030-
/O.CON.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
WAYNE-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
INCLUDING THE CITIES OF...RICHMOND...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE
929 PM EST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH LATE WEDNESDAY NIGHT...

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$

INZ058-059-066-OHZ045-046-051>056-060>062-070-071-251030-
/O.CON.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
FAYETTE IN-UNION IN-FRANKLIN IN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-
CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-BUTLER-
WARREN-
INCLUDING THE CITIES OF...CONNERSVILLE...LIBERTY...BROOKVILLE...
MARYSVILLE...DELAWARE...PIQUA...URBANA...SPRINGFIELD...LONDON...
COLUMBUS...NEWARK...EATON...DAYTON...XENIA...HAMILTON...LEBANON
929 PM EST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH LATE WEDNESDAY NIGHT...

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 6 INCHES. SLEET MAY 
  MIX WITH THE SNOW ON WEDNESDAY.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$
202 
WWUS41 KILN 250914
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
414 AM EST TUE DEC 25 2012

.LOW PRESSURE IN TEXAS WILL TRACK NORTHEAST AND SKIM THE SOUTHERN
OHIO VALLEY ON WEDNESDAY. AN AREA OF HEAVY SNOW IS EXPECTED TO
DEVELOP NORTHWEST OF THE LOW TRACK. CLOSER TO THE LOW...A MIX OF
SNOW...RAIN...AND FREEZING RAIN IS POSSIBLE. 

INZ050-058-059-066-OHZ026-034-035-042>046-051>056-060>062-251715-
/O.UPG.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
/O.NEW.KILN.WS.W.0002.121226T0600Z-121227T0600Z/
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-HARDIN-MERCER-AUGLAIZE-
DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-
MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-
INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...
BROOKVILLE...KENTON...CELINA...WAPAKONETA...GREENVILLE...SIDNEY...
BELLEFONTAINE...MARYSVILLE...DELAWARE...PIQUA...URBANA...
SPRINGFIELD...LONDON...COLUMBUS...NEWARK...EATON...DAYTON...XENIA
414 AM EST TUE DEC 25 2012

...WINTER STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 AM
WEDNESDAY TO 1 AM EST THURSDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES. 

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...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 A FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

INZ073>075-080-KYZ089>091-OHZ063>065-072-077-251715-
/O.EXA.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-
FAYETTE OH-PICKAWAY-FAIRFIELD-CLINTON-HAMILTON-
INCLUDING THE CITIES OF...VERSAILLES...LAWRENCEBURG...
RISING SUN...VEVAY...CARROLLTON...WARSAW...BURLINGTON...
WASHINGTON COURT HOUSE...CIRCLEVILLE...LANCASTER...WILMINGTON...
CINCINNATI
414 AM EST TUE DEC 25 2012

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT.

* HAZARD TYPES...HEAVY SNOW AND SOME ICY ACCUMULATIONS.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 6 INCHES...ALONG WITH
  A GLAZE OF ICE ACCUMULATION IS POSSIBLE.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES...AND RAIN MAY FREEZE
  ON AREA SURFACES. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

OHZ070-071-251715-
/O.CON.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
BUTLER-WARREN-
INCLUDING THE CITIES OF...HAMILTON...LEBANON
414 AM EST TUE DEC 25 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

* HAZARD TYPES...HEAVY SNOW AND SOME ICY ACCUMULATIONS.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 6 INCHES...ALONG WITH
  A GLAZE OF ICE IS POSSIBLE.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. SNOW MAY MIX WITH RAIN AND FREEZING RAIN AT TIMES. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$
124 
WWUS41 KILN 251526
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
1026 AM EST TUE DEC 25 2012

.LOW PRESSURE IN TEXAS WILL TRACK NORTHEAST AND SKIM THE SOUTHERN
OHIO VALLEY ON WEDNESDAY. AN AREA OF HEAVY SNOW IS EXPECTED TO
DEVELOP NORTHWEST OF THE LOW TRACK. CLOSER TO THE LOW...A MIX OF
SNOW...RAIN AND FREEZING RAIN IS POSSIBLE.

INZ050-058-059-066-OHZ026-034-035-042>046-051>056-060>062-252330-
/O.CON.KILN.WS.W.0002.121226T0600Z-121227T0600Z/
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-HARDIN-MERCER-AUGLAIZE-
DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-
MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-
INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...
BROOKVILLE...KENTON...CELINA...WAPAKONETA...GREENVILLE...SIDNEY...
BELLEFONTAINE...MARYSVILLE...DELAWARE...PIQUA...URBANA...
SPRINGFIELD...LONDON...COLUMBUS...NEWARK...EATON...DAYTON...XENIA
1026 AM EST TUE DEC 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO
1 AM EST THURSDAY...

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS 
  NIGHT AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF 
  WEDNESDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...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 A FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

INZ073>075-080-KYZ089>091-OHZ063>065-070>072-077-252330-
/O.CON.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-
FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-HAMILTON-
INCLUDING THE CITIES OF...VERSAILLES...LAWRENCEBURG...
RISING SUN...VEVAY...CARROLLTON...WARSAW...BURLINGTON...
WASHINGTON COURT HOUSE...CIRCLEVILLE...LANCASTER...HAMILTON...
LEBANON...WILMINGTON...CINCINNATI
1026 AM EST TUE DEC 25 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

* HAZARD TYPES...HEAVY SNOW AND SOME ICY ACCUMULATIONS.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 6 INCHES...ALONG 
  WITH A GLAZE OF ICE ACCUMULATION IS POSSIBLE.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES...AND THE RAIN MAY
  FREEZE AND CREATE AN ICY GLAZE ON AREA SURFACES.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
726 
WWUS41 KILN 252046
WSWILN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
346 PM EST TUE DEC 25 2012

.A VIGOROUS LOW PRESSURE SYSTEM WILL TRACK NORTHEAST AND SKIM THE
SOUTHERN OHIO VALLEY ON WEDNESDAY. THIS SYSTEM WILL BRING A POTENT
WINTER STORM TO THE REGION WITH HEAVY SNOW AND WIND EXPECTED NORTHWEST
OF THE LOW TRACK. CLOSER TO THE LOW...A MIX OF SNOW...SLEET AND
FREEZING RAIN IS POSSIBLE.

INZ050-058-059-066-OHZ026-034-035-042>045-051>053-060-061-260500-
/O.CAN.KILN.WS.W.0002.121226T0600Z-121227T0600Z/
/O.NEW.KILN.BZ.W.0001.121226T0600Z-121227T0600Z/
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-HARDIN-MERCER-AUGLAIZE-
DARKE-SHELBY-LOGAN-UNION OH-MIAMI-CHAMPAIGN-CLARK-PREBLE-
MONTGOMERY-
INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...
BROOKVILLE...KENTON...CELINA...WAPAKONETA...GREENVILLE...SIDNEY...
BELLEFONTAINE...MARYSVILLE...PIQUA...URBANA...SPRINGFIELD...
EATON...DAYTON
346 PM EST TUE DEC 25 2012

...BLIZZARD WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY...
...WINTER STORM WARNING HAS BEEN UPGRADED...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY. THE WINTER STORM WARNING HAS BEEN UPGRADED.

* HAZARD TYPES...HEAVY SNOW AND WINDY CONDITIONS.

* ACCUMULATIONS...SNOW ACCUMULATIONS OF 6 TO 10 INCHES WITH LOCALLY
  HIGHER AMOUNTS. THE HEAVIEST AMOUNTS WILL MOST LIKELY OCCUR
  ALONG AND JUST NORTH OF THE INTERSTATE 70 CORRIDOR.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE HIGHEST SNOWFALL RATES AND WINDS ARE EXPECTED TO
  OCCUR AROUND DAYBREAK AND LAST INTO THE EARLY AFTERNOON. 

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TEMPERATURES...IN THE UPPER 20S WITH WIND CHILLS IN THE TEENS.

* IMPACTS...EXTREMELY DANGEROUS TRAVEL CONDITIONS ARE EXPECTED DUE
  TO HEAVY SNOWFALL AND STRONG WINDS. VISIBILITIES WILL BE NEAR
  ZERO IN SNOW AND BLOWING SNOW. STRONG WINDS MAY DOWN POWER LINES
  AND TREE LIMBS...CAUSING POWER OUTAGES. LARGE DRIFTS COULD CAUSE
  SOME ROADS TO BECOME IMPASSABLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A BLIZZARD WARNING IS ISSUED WHEN SUSTAINED WIND
SPEEDS OR FREQUENT GUSTS OF OVER 35 MPH ARE EXPECTED WITH
CONSIDERABLE FALLING AND...OR BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL BECOME POOR...WITH WHITEOUT CONDITIONS AT
TIMES. CHECK WITH LOCAL AUTHORITIES FOR CURRENT ROAD CONDITIONS.

&&

$$

KYZ089-090-252200-
/O.CAN.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
CARROLL-GALLATIN-
INCLUDING THE CITIES OF...CARROLLTON...WARSAW
346 PM EST TUE DEC 25 2012

...WINTER STORM WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS CANCELLED THE
WINTER STORM WATCH.

THE HEAVIER SNOW IS EXPECTED TO STAY NORTH OF THE AREA. LIGHT
SNOWFALL ACCUMULATIONS ARE STILL POSSIBLE.

$$

INZ073-OHZ070-260500-
/O.UPG.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
/O.NEW.KILN.BZ.W.0001.121226T0600Z-121227T0600Z/
RIPLEY-BUTLER-
INCLUDING THE CITIES OF...VERSAILLES...HAMILTON
346 PM EST TUE DEC 25 2012

...BLIZZARD WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* HAZARD TYPES...HEAVY SNOW AND WINDY CONDITIONS.

* ACCUMULATIONS...SNOW ACCUMULATIONS OF 6 TO 10 INCHES WITH
  LOCALLY HIGHER AMOUNTS. THE HEAVIEST AMOUNTS WILL MOST LIKELY
  OCCUR ALONG THE NORTHERN PORTIONS OF THESE COUNTIES. 

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE HIGHEST SNOWFALL RATES AND WINDS ARE EXPECTED TO
  OCCUR AROUND DAYBREAK AND LAST INTO THE EARLY AFTERNOON. 

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TEMPERATURES...IN THE UPPER 20S WITH WIND CHILLS IN THE TEENS.

* IMPACTS...EXTREMELY DANGEROUS TRAVEL CONDITIONS ARE EXPECTED DUE
  TO HEAVY SNOWFALL AND STRONG WINDS. VISIBILITIES WILL BE NEAR
  ZERO IN SNOW AND BLOWING SNOW. STRONG WINDS MAY DOWN POWER LINES
  AND TREE LIMBS...CAUSING POWER OUTAGES. LARGE DRIFTS COULD CAUSE
  SOME ROADS MAY BECOME IMPASSABLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A BLIZZARD WARNING IS ISSUED WHEN SUSTAINED WIND
SPEEDS OR FREQUENT GUSTS OF OVER 35 MPH ARE EXPECTED WITH
CONSIDERABLE FALLING AND, OR BLOWING AND DRIFTING SNOW. 
VISIBILITIES WILL BECOME POOR, WITH WHITEOUT CONDITIONS AT TIMES.
CHECK WITH LOCAL AUTHORITIES FOR CURRENT ROAD CONDITIONS. 

&&

$$

OHZ063>065-071-072-260500-
/O.UPG.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
/O.EXA.KILN.WS.W.0002.121226T0600Z-121227T0600Z/
FAYETTE OH-PICKAWAY-FAIRFIELD-WARREN-CLINTON-
INCLUDING THE CITIES OF...WASHINGTON COURT HOUSE...CIRCLEVILLE...
LANCASTER...LEBANON...WILMINGTON
346 PM EST TUE DEC 25 2012

...WINTER STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW...BLOWING SNOW...SLEET...AND POSSIBLE
FREEZING RAIN...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* HAZARD TYPES...HEAVY SNOW WITH SOME SLEET AND ICE ACCUMULATIONS.

* ACCUMULATIONS...SNOW AND SLEET ACCUMULATION OF 4 TO 6
  INCHES...ALONG WITH AROUND A TENTH OF AN INCH OF ICE IN SOME
  AREAS.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE SNOW MAY MIX WITH SLEET AND FREEZING RAIN AT TIMES. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW AND ICE ACCUMULATIONS.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...AROUND 30 WITH WIND CHILLS IN THE TEENS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...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 A FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

OHZ046-054>056-062-260500-
/O.CON.KILN.WS.W.0002.121226T0600Z-121227T0600Z/
DELAWARE-MADISON-FRANKLIN OH-LICKING-GREENE-
INCLUDING THE CITIES OF...DELAWARE...LONDON...COLUMBUS...NEWARK...
XENIA
346 PM EST TUE DEC 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO
1 AM EST THURSDAY...

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW.

* ACCUMULATIONS...SNOW ACCUMULATIONS OF 6 TO 10 INCHES WITH LOCALLY
  HIGHER AMOUNTS. THE HEAVIEST AMOUNTS WILL MOST LIKELY OCCUR
  ALONG AND JUST NORTH OF THE INTERSTATE 70 CORRIDOR.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE HEAVIEST SNOW WILL OCCUR FROM AROUND SUNRISE THROUGH
  THE EARLY AFTERNOON.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO 
  REDUCED VISIBILITIES AND SNOW ACCUMULATIONS.

* WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...AROUND 30 WITH WIND CHILLS IN THE TEENS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...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 A FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

INZ074-075-080-KYZ091-OHZ077-260500-
/O.UPG.KILN.WS.A.0002.121226T0600Z-121227T0600Z/
/O.NEW.KILN.WW.Y.0008.121226T0600Z-121227T0600Z/
DEARBORN-OHIO-SWITZERLAND-BOONE-HAMILTON-
INCLUDING THE CITIES OF...LAWRENCEBURG...RISING SUN...VEVAY...
BURLINGTON...CINCINNATI
346 PM EST TUE DEC 25 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS IN
EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* HAZARD TYPES...SNOW...SLEET AND FREEZING RAIN. 

* ACCUMULATIONS...SNOW ACCUMULATIONS OF 1 TO 2 INCHES...ALONG WITH
  LIGHT ICE AND SLEET ACCUMULATIONS IN SOME AREAS. THERE WILL BE A
  SHARP GRADIENT OF SNOWFALL TOTALS IN THESE AREAS...WITH THE
  POTENTIAL FOR HIGHER AMOUNTS ALONG THE NORTHERN PORTIONS OF
  THESE COUNTIES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE SNOW MAY MIX WITH SLEET AND FREEZING RAIN AT TIMES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...TRAVEL DIFFICULTIES ARE EXPECTED DUE TO REDUCED
  VISIBILITIES AND SNOW...SLEET AND ICE ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER WEATHER ADVISORY FOR SNOW...ICE...AND SLEET
MEANS THAT TRAVEL DIFFICULTIES DUE TO SNOW AND ICE COVERED ROADS
WILL BE POSSIBLE. BE PREPARED LIMITED VISIBILITIES AND SLIPPERY 
SURFACES...AND USE CAUTION WHILE DRIVING.

&&

$$

KYZ092-093-OHZ073-074-078>080-260500-
/O.NEW.KILN.WW.Y.0008.121226T0600Z-121227T0600Z/
KENTON-CAMPBELL-ROSS-HOCKING-CLERMONT-BROWN-HIGHLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...ALEXANDRIA...
CHILLICOTHE...LOGAN...MILFORD...GEORGETOWN...HILLSBORO
346 PM EST TUE DEC 25 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS IN
EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* HAZARD TYPES...SNOW...SLEET AND FREEZING RAIN. 

* ACCUMULATIONS...SNOW ACCUMULATIONS OF 1 TO 2 INCHES...ALONG WITH
  LIGHT ICE AND SLEET ACCUMULATIONS IN SOME AREAS. THERE WILL BE A
  SHARP GRADIENT OF SNOWFALL TOTALS IN THESE AREAS...WITH THE
  POTENTIAL FOR HIGHER AMOUNTS ALONG THE NORTHERN PORTIONS OF
  THESE COUNTIES.

* TIMING...SNOW IS EXPECTED TO DEVELOP AFTER 1 AM CHRISTMAS NIGHT
  AND CONTINUE THROUGH WEDNESDAY BEFORE TAPERING OFF WEDNESDAY
  NIGHT. THE SNOW MAY MIX WITH SLEET AND FREEZING RAIN AT TIMES.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...TRAVEL DIFFICULTIES ARE EXPECTED DUE TO REDUCED
  VISIBILITIES AND SNOW...SLEET AND ICE ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER WEATHER ADVISORY FOR SNOW...ICE...AND SLEET
MEANS THAT TRAVEL DIFFICULTIES DUE TO SNOW AND ICE COVERED ROADS
WILL BE POSSIBLE. BE PREPARED LIMITED VISIBILITIES AND SLIPPERY 
SURFACES...AND USE CAUTION WHILE DRIVING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER WEATHER ADVISORY FOR SNOW...ICE...AND SLEET
MEANS THAT TRAVEL DIFFICULTIES DUE TO SNOW AND ICE COVERED ROADS
WILL BE POSSIBLE. BE PREPARED LIMITED VISIBILITIES AND SLIPPERY 
SURFACES...AND USE CAUTION WHILE DRIVING.

&&

$$

What forecasters said that day

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

NWS Wilmington, OH wrote its last area forecast discussion before this winter storm watch went out at Dec 24, 1:34 AM EST, 2 hours 22 minutes earlier.

Area forecast discussion, Dec 24, 1:34 AM EST, 2 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
134 AM EST MON DEC 24 2012

.SYNOPSIS...
WEAK LOW PRESSURE TRAVELING THROUGH KENTUCKY AND SOUTHEAST OHIO
WILL BRING AN AREA OF PRECIPITATION LATE TONIGHT THROUGH MONDAY.
WEAK HIGH PRESSURE WILL RESULT IN DRY WEATHER ON CHRISTMAS DAY. A
VIGOROUS LOW PRESSURE SYSTEM IS EXPECTED TO DUMP A WINTRY MIX OF
PRECIPITATION OVER THE REGION ON WEDNESDAY.

&&

.NEAR TERM /UNTIL 6 AM THIS MORNING/...
LOW PRESSURE OVER NW ARKANSAS WILL MOVE NORTHEAST TO WESTERN
KENTUCKY BY MORNING. LATEST NAM...RAP AND HRRR INDICATE THAT THE
BEST WARM...MOIST ASCENT/ISENTROPIC LIFT WILL OCCUR ALONG AND
SOUTH OF THE OHIO RIVER LATE. THIS MOIST FLOW WILL CAUSE LOW LEVEL
CLOUDS TO INCREASE FROM SOUTH TO NORTH OVERNIGHT WITH CLOUDY SKIES
EXPECTED ALONG AND SOUTH OF THE OHIO RIVER BY MORNING. THERE HAS
BEEN A CONCERN ON HOW FAST PRECIPITATION WILL MOVE INTO OUR AREA
VERSUS SURFACE TEMPERATURES BEING AT OR BELOW FREEZING BY THE TIME
IT ARRIVES. IT NOW APPEARS THAT PRECIPITATION SHOULD PRETTY MUCH
ARRIVE FROM SOUTH TO NORTH AS TEMPERATURES AND DEWPOINTS
RISE...AND NOT MUCH IN THE WAY OF FREEZING RAIN IS EXPECTED. HAVE
SHOWN THIS IN THE LATEST GRIDS AND ZONES WHICH IS TO KEEP A DRY
FORECAST PRETTY MUCH ACRS THE WHITEWATER/MIAMI VALLEYS...WEST
CENTRAL OHIO AND CENTRAL OHIO OVERNIGHT. LOWS WILL OCCUR THIS
EVENING AND EARLY MORNING...THEN THEY SHOULD RISE AS CLOUDS
THICKEN AND THE WIND INCREASES SOME FROM THE EAST AHEAD OF THE
SURFACE LOW.

&&

.SHORT TERM /6 AM THIS MORNING THROUGH 6 PM TUESDAY/...
WITH THE WEAK LOW MOVING TO EASTERN OHIO...RAIN WILL BE LIKELY
MONDAY IN SOUTHERN AND EASTERN COUNTIES...WITH A GOOD CHANCE OF
RAIN IN THE NORTH AND WEST. THE WINDOW OF OPPORTUNITY FOR FREEZING
PRECIPITATION SEEMS MINIMAL MONDAY MORNING ALONG AND NORTH OF I-70 AS
TEMPERATURES AND DEWPOINTS RISE AS THE PRECIPITATION ARRIVES.
THERE COULD BE A BRIEF PERIOD OF FREEZING RAIN AT THE ONSET BUT IT
SHOULD NOT LAST VERY LONG AND SHOULD HAVE LITTLE IF ANY IMPACT.
A RISE INTO THE 40S IS FORECAST FOR MOST LOCATIONS MONDAY
AFTERNOON.

RAIN WILL BE ENDING MONDAY EVENING WITH THE LOW EXITING TO THE
EAST. A FEW SNOW SHOWERS MAY OCCUR NORTH OF DAYTON BEFORE
PRECIPITATION CHANCES END AROUND MIDNIGHT TUESDAY. AFTER WEAK HIGH
PRESSURE ARRIVES FOR A SHORT STAY...CLOUDS WILL INCREASE AGAIN ON
TUESDAY AHEAD OF THE STRONG LOW. HIGHS AROUND 40 ARE EXPECTED.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/...
FOCUS IS ON THE WINTER STORM WHICH WILL AFFECT THE REGION AT MID
WEEK. VIGOROUS MID LEVEL S/W TO LIFT FROM THE SRN PLAINS INTO THE
LOWER OH VLY TUESDAY NIGHT AND ACRS THE REGION WEDNESDAY. NUMERICAL
MODEL SOLNS CONTINUE TO SHOW SPREAD REGARDING THE EXACT TRACK OF THE
ASSOCIATED SFC WAVE WHICH LIFTS NE THRU THE REGION ON WEDNESDAY. IN
GENERAL THE GFS DETERMINISTIC SOLNS HAVE BEEN THE FURTHEST WEST AND
THEREFORE BRING MORE WARM AIR INTO ILN/S FA. THE ECMWF SOLN HAS BEEN
MORE CONSISTENT WITH THE LATEST 12Z DETERMINISTIC RUN TRENDING A
LITTLE WEST AND THEREFORE ALLOWING A LTL MORE INTRUSION OF WARM AIR.
GFS ENSEMBLE MEAN SOLN IS PLACED A LTL EAST OF ITS DETERMINISTIC
RUN.

HAVE TRENDED THE LATEST FCST TOWARD THE A SLIGHTLY MODIFIED (WARMER)
SOLN THAN 12Z ECMWF RUN GIVEN TRENDS AND CONSISTENCY.

HAVE SPREAD LKLY POPS IN FROM THE SOUTH TUESDAY NIGHT AND THEN
BUMPED UP POPS TO CATEGORICAL EARLY WEDNESDAY.

USING AT TOP DOWN TECHNIQUE APPLIED TO MODIFIED ECMWF SOLN HAVE FAR
WEST CENTRAL OHIO (NORTHWEST OF DAYTON) STAYING ALL SNOW BUT HAVE A
MIX SPREADING INTO THE REMAINDER OF ILN/S FA AND RAIN SE OF I-71
DURING THE DAY ON WED. AS COLDER AIR WRAPS INTO THE SYSTEM...HAVE
ALL PRECIP CHANGE BACK TO SNOW WEDNESDAY NIGHT. THIS SYSTEM HAS THE
POTENTIAL TO PRODUCE 6 INCHES OR MORE OF SNOW AND SIGNIFICANT ICE.
AT THIS TIME IT LOOKS LIKE A STORM TOTAL 4 TO 6 INCH SNOW BAND IS
PSBL FROM EAST CENTRAL INDIANA THRU FAR W CNTRL OHIO. THERE WILL
LKLY BE A SHARP CUT OFF TO THE SE WITH 1 TO 2 INCHES ALONG AND JUST
WEST OF I-71 AND LESS THAN AN INCH SE OF I-71.

GIVEN THE HIGH DEGREE OF UNCERTAINTY REGARDING THE EXACT TRACK...
WILL CONTINUE TO HIGHLIGHT THIS THREAT IN THE HWO PRODUCT.

AS THIS WINTER STORM LIFTS NE WILL TAPER OFF SNOW EARLY ON THURSDAY.
UPPER LEVEL RIDGING AND SFC RIDGING TO BUILD IN PROVIDING DRY WX
CONDITIONS LATER THURSDAY AND FRIDAY.

MODEL SOLN DIFFERENCES REGARDING THE WEATHER SYSTEM NEXT WEEKEND.
PREV GFS WAS KEEPING PCPN TO OUR SOUTH BUT LATEST RUN BRINGS IN
PRECIP BUT IS WEAKER AND ALLOWS FOR LESS WARM AIR. ECMWF SOLNS HAVE
BEEN STRONGER AND ALLOW FOR MORE INITIAL WARM AIR INTRUSION. HAVE
SPREAD CHC POPS IN FRIDAY NIGHT AND THEN CONT HIGH CHC POPS ON
SATURDAY. HAVE ALLOWED FOR A MIX OF RAIN AND SNOW OVER THE SE HALF
AND KEPT ALL SNOW NW. SOME LINGERING SNOW SHOWERS WILL BE PSBL ON
SUNDAY WITH THE BEST CHC ACRS THE NORTH.

&&

.AVIATION /06Z MONDAY THROUGH FRIDAY/...
ANY RAIN THAT BEGINS TOWARDS DAYBREAK TODAY WILL FALL WHERE
TEMPERATURES ARE ABOVE FREEZING AND ICY CONDITIONS ARE NOT
EXPECTED TO OCCUR AT THIS MOMENT IN TIME. LOW CIGS WILL SLIDE INTO
THE CINCY METRO AREA JUST BEFORE DAYBREAK AND RAIN WILL FOLLOW
SHORTLY AFTER. SLIGHTLY LATER TIMING IS EXPECTED AT KDAY/KILN AND
BY LATE MORNING IN COLUMBUS METRO AREA.

SHOWERS SHOULD TAPER OFF IN THE EARLY AFTERNOON...LATE MORNING
FURTHER SOUTHWEST...BUT CLOUD COVER WILL REMAIN IN THE 1-2KFT
RANGE. NORTHWEST WINDS AND LOW CLOUD COVER WILL PERSIST OVERNIGHT.

OUTLOOK...IFR CEILINGS AND VISIBILITIES ARE POSSIBLE
WEDNESDAY...LIFTING TO MVFR THURSDAY.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...NONE.
KY...NONE.
IN...NONE.

&&

SYNOPSIS...CONIGLIO/HICKMAN
NEAR TERM...CONIGLIO/HICKMAN
SHORT TERM...CONIGLIO
LONG TERM...AR
AVIATION...FRANKS
Hazardous weather outlook, Dec 23, 8:52 PM EST, 7 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
852 PM EST SUN DEC 23 2012

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-241100-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE-
SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-
FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-
FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN-
HIGHLAND-ADAMS-PIKE-SCIOTO-
852 PM EST SUN DEC 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN
KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL
OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO.

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A STRONG STORM SYSTEM IS FORECAST TO LIFT FROM THE SOUTHERN PLAINS
INTO THE LOWER MISSISSIPPI VALLEY TUESDAY NIGHT AND ACROSS THE
REGION ON WEDNESDAY. THERE IS POTENTIAL FOR SIGNIFICANT SNOW AND ICE
FROM THIS STORM.

AT THIS TIME IT APPEARS THAT THE CENTER OF THE STORM WILL TRACK
THROUGH EASTERN OHIO. THIS WILL KEEP COLD AIR OVER FAR WEST CENTRAL
OHIO AND EAST CENTRAL INDIANA WITH THE MAIN PRECIPITATION TYPE
EXPECTED TO BE SNOW. A STORM TOTAL OF 4 TO 6 INCHES WILL BE
POSSIBLE IN THIS REGION. FURTHER EAST...GENERALLY ALONG AND
NORTHWEST OF INTERSTATE 71...A WINTRY MIX IS EXPECTED WITH TOTAL
SNOW OF 1 TO 3 INCHES AND SOME ICE ACCUMULATION POSSIBLE. EAST OF
I-71...A MIX TO RAIN IS EXPECTED TO LIMIT SNOW TO AN INCH OR LESS.

ALL PRECIPITATION IT EXPECTED TO CHANGE TO SNOW WEDNESDAY NIGHT
AS COLDER AIR WRAPS INTO THE DEPARTING SYSTEM.

SOME UNCERTAINTY STILL EXISTS REGARDING THE EXACT TRACK AND HOW MUCH
WARM AIR IS PULLED INTO THE REGION. STAY TUNED TO THE LATEST
FORECASTS FOR THE MOST UP TO DATE INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

Nearby

Winter Storm Watches in Ohio, 2012Winter Storm Watches in Indiana, 2012Winter Storm Watches in Kentucky, 2012Every winter storm watch in 2012

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.