Alert archive / Indiana / Freeze Warnings in 2012

Freeze Warning 5, NWS Indianapolis, IN

April 11, 201239 counties in Indiana

NWS Indianapolis, IN issued this freeze warning at Apr 11, 2012, 4:04 AM EDT for 39 counties in Indiana. It took effect at Apr 12, 2012, 2:00 AM EDT. It was in force for 7 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
Apr 11, 2012, 4:04 AM EDT (08:04 UTC)
In effect from
Apr 12, 2012, 2:00 AM EDT
Expired
Apr 12, 2012, 9:00 AM EDT
In force
7 hr
Issued by
NWS Indianapolis, IN
All 39 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 15 km from the middle of the area, began a volume at 08:05 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

Lincoln, IL (KILX), launched 00:00Z, 8.1 hours before the alert went out and 194 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, Lincoln, IL at 00:00Z on 2012-04-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2012-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939587897117136Sfc1 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
2968 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
68 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.

695 
WWUS73 KIND 110804
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
404 AM EDT WED APR 11 2012

...FREEZING TEMPERATURES EXPECTED EARLY THIS MORNING AS WELL AS LATE
TONIGHT AND EARLY THURSDAY MORNING...

.COLD CANADIAN AIR WILL CONTINUE TO FLOW INTO CENTRAL INDIANA THE
NEXT COUPLE OF DAYS. THIS WILL ALLOW FOR TEMPERATURES TO DROP BELOW
FREEZING EARLY THIS MORNING AND AGAIN LATE TONIGHT AND EARLY
THURSDAY MORNING.

INZ021-028>031-035>049-051>057-060>065-067>072-111300-
/O.UPG.KIND.FZ.A.0005.120412T0600Z-120412T1300Z/
/O.NEW.KIND.FZ.W.0005.120412T0600Z-120412T1300Z/
/O.CON.KIND.FZ.W.0004.000000T0000Z-120411T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
404 AM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...
...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. A FREEZE WARNING REMAINS IN
EFFECT UNTIL 9 AM EDT THIS MORNING. 

* TEMPERATURE...32 DEGREES OR BELOW.

* IMPACTS...CROPS AND SENSITIVE VEGETATION COULD BE HARMED OR 
  KILLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS COULD KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

JAS
6 follow-up statements
776 
WWUS73 KIND 111309
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
909 AM EDT WED APR 11 2012

...TEMPERATURES EXPECTED TO FALL BELOW FREEZING AGAIN LATE TONIGHT
AND EARLY THURSDAY ...

.COLD CANADIAN AIR WILL CONTINUE TO IMPACT CENTRAL INDIANA AS HIGH
PRESSURE SETTLES OVER THE REGION. CALM WINDS AND CLEAR SKIES WILL
ALLOW TEMPERATURES TO DROP BELOW FREEZING AGAIN LATE TONIGHT AND
EARLY THURSDAY MORNING. TEMPERATURES COULD FALL INTO THE UPPER 20S
RESULTING IN A HARD FREEZE ACROSS CENTRAL INDIANA.

INZ021-028>031-035>049-051>057-060>065-067>072-112115-
/O.EXP.KIND.FZ.W.0004.000000T0000Z-120411T1300Z/
/O.CON.KIND.FZ.W.0005.120412T0600Z-120412T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
909 AM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...
...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. A FREEZE WARNING
REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. 

* TEMPERATURE...32 DEGREES OR BELOW.

* IMPACTS...CROPS AND SENSITIVE VEGETATION COULD BE HARMED OR 
  KILLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS COULD KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

HOMANN/SMF
782 
WWUS73 KIND 111311
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
911 AM EDT WED APR 11 2012

...TEMPERATURES EXPECTED TO FALL BELOW FREEZING AGAIN LATE
TONIGHT AND EARLY THURSDAY ...

.COLD CANADIAN AIR WILL CONTINUE TO IMPACT CENTRAL INDIANA AS
HIGH PRESSURE SETTLES OVER THE REGION. CALM WINDS AND CLEAR SKIES
WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING AGAIN LATE TONIGHT
AND EARLY THURSDAY MORNING. TEMPERATURES COULD FALL INTO THE
UPPER 20S IN OUTLYING AREAS RESULTING IN A HARD FREEZE.

INZ021-028>031-035>049-051>057-060>065-067>072-112115-
/O.CON.KIND.FZ.W.0005.120412T0600Z-120412T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
911 AM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

* TEMPERATURE...32 DEGREES OR BELOW.

* IMPACTS...CROPS AND SENSITIVE VEGETATION COULD BE HARMED OR 
  KILLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS COULD KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

HOMANN/SMF
815 
WWUS73 KIND 111843
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
243 PM EDT WED APR 11 2012

...TEMPERATURES EXPECTED TO FALL BELOW FREEZING AGAIN LATE
TONIGHT AND EARLY THURSDAY...

.COLD CANADIAN AIR WILL CONTINUE TO IMPACT CENTRAL INDIANA AS
HIGH PRESSURE SETTLES OVER THE REGION. CALM WINDS AND CLEAR SKIES
WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING AGAIN LATE TONIGHT
AND EARLY THURSDAY MORNING. TEMPERATURES COULD FALL INTO THE
UPPER 20S IN OUTLYING AREAS RESULTING IN A HARD FREEZE.

INZ021-028>031-035>049-051>057-060>065-067>072-120245-
/O.CON.KIND.FZ.W.0005.120412T0600Z-120412T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
243 PM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

* TEMPERATURES...32 DEGREES OR BELOW.

* TIMING...2 AM EDT TO 9 AM EDT.

* IMPACTS...CROPS AND SENSITIVE VEGETATION COULD BE HARMED OR 
  KILLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS COULD KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

HOMANN/SMF
602 
WWUS73 KIND 120108
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
908 PM EDT WED APR 11 2012

...TEMPERATURES EXPECTED TO FALL BELOW FREEZING AGAIN LATE
TONIGHT AND EARLY THURSDAY...

.COLD CANADIAN AIR WILL CONTINUE TO IMPACT CENTRAL INDIANA AS
HIGH PRESSURE SETTLES OVER THE REGION. CALM WINDS AND CLEAR SKIES
WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING AGAIN LATE TONIGHT
AND EARLY THURSDAY MORNING. TEMPERATURES COULD FALL INTO THE
UPPER 20S IN OUTLYING AREAS RESULTING IN A HARD FREEZE.

INZ021-028>031-035>049-051>057-060>065-067>072-120915-
/O.CON.KIND.FZ.W.0005.120412T0600Z-120412T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
908 PM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY. 

* TIMING...2 AM EDT TO 9 AM EDT.

* IMPACTS...CROPS AND SENSITIVE VEGETATION COULD BE HARMED OR 
  KILLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS COULD KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

PUMA
352 
WWUS73 KIND 120720
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 AM EDT THU APR 12 2012

...TEMPERATURES EXPECTED TO FALL BELOW FREEZING EARLY THIS MORNING...

.COLD CANADIAN AIR WILL CONTINUE TO IMPACT CENTRAL INDIANA AS
HIGH PRESSURE SETTLES OVER THE REGION. CALM WINDS AND CLEAR SKIES
WILL ALLOW TEMPERATURES TO DROP BELOW FREEZING AGAIN EARLY THIS
MORNING. TEMPERATURES COULD FALL INTO THE UPPER 20S IN OUTLYING
AREAS RESULTING IN A HARD FREEZE.

INZ021-028>031-035>049-051>057-060>065-067>072-121300-
/O.CON.KIND.FZ.W.0005.000000T0000Z-120412T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
320 AM EDT THU APR 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. 

* TIMING...2 AM EDT TO 9 AM EDT.

* IMPACTS...CROPS AND SENSITIVE VEGETATION COULD BE HARMED OR 
  KILLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS COULD KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

PUMA
043 
WWUS73 KIND 121313
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
913 AM EDT THU APR 12 2012

INZ021-028>031-035>049-051>057-060>065-067>072-121415-
/O.EXP.KIND.FZ.W.0005.000000T0000Z-120412T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
913 AM EDT THU APR 12 2012

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. 

HOWEVER...PATCHY FROST IS EXPECTED BY FRIDAY MORNING. 

$$

SMF

Nearby

Freeze Warnings in Indiana, 2012Every freeze warning 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.