Alert archive / Indiana / Freeze Warnings in 2012

Freeze Warning 7, NWS Indianapolis, IN

April 26, 201214 counties in Indiana

NWS Indianapolis, IN issued this freeze warning at Apr 26, 2012, 3:12 PM EDT for 14 counties in Indiana. It took effect at Apr 27, 2012, 3:00 AM EDT. It was in force for 6 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 26, 2012, 3:12 PM EDT (19:12 UTC)
In effect from
Apr 27, 2012, 3:00 AM EDT
Expired
Apr 27, 2012, 8:48 AM EDT
In force
6 hr
Issued by
NWS Indianapolis, IN

Counties Boone County, IN, Carroll County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Hamilton County, IN, Henry County, IN, Howard County, IN, Madison County, IN, Montgomery County, IN, Randolph County, IN, Tippecanoe County, IN, Tipton County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 58 km from the middle of the area, began a volume at 19:14 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 12:00Z, 7.2 hours before the alert went out and 199 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 12:00Z on 2012-04-26Temperature 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 12:00Z on 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -68 square meters per square second.19395878Sfc1 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
1201 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-68 m²/s²
0-3 km storm-relative helicity
27 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.

794 
WWUS73 KIND 261912
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
312 PM EDT THU APR 26 2012

...FREEZING TEMPERATURES EXPECTED TONIGHT...

.HIGH PRESSURE WILL BRING A COLD CANADIAN AIRMASS TO CENTRAL
INDIANA TONIGHT. TEMPERATURES COULD DIP TO FREEZING OR BELOW FOR
A FEW HOURS LATE TONIGHT.

INZ021-029>031-038-040>042-049-270315-
/O.UPG.KIND.FZ.A.0007.120427T0700Z-120427T1300Z/
/O.NEW.KIND.FZ.W.0007.120427T0700Z-120427T1300Z/
CARROLL-TIPPECANOE-CLINTON-HOWARD-TIPTON-MADISON-DELAWARE-
RANDOLPH-HENRY-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
ANDERSON...MUNCIE
312 PM EDT THU APR 26 2012

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* TIMING...300 AM TO 900 AM.

* TEMPERATURES...30 TO 32 DEGREES

* IMPACTS...TEMPERATURE SENSITIVE PLANTS COULD BE HARMED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

INZ028-035>037-039-270315-
/O.NEW.KIND.FZ.W.0007.120427T0700Z-120427T1300Z/
WARREN-FOUNTAIN-MONTGOMERY-BOONE-HAMILTON-
INCLUDING THE CITY OF...CRAWFORDSVILLE
312 PM EDT THU APR 26 2012

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY. 

* TIMING...300 AM TO 900 AM.

* TEMPERATURES...30 TO 32 DEGREES

* IMPACTS...TEMPERATURE SENSITIVE PLANTS COULD BE HARMED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PUMA
3 follow-up statements
379 
WWUS73 KIND 270138
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
938 PM EDT THU APR 26 2012

...FREEZING TEMPERATURES EXPECTED EARLY FRIDAY MORNING...

.HIGH PRESSURE WILL BRING A COLD CANADIAN AIRMASS TO CENTRAL
INDIANA TONIGHT. TEMPERATURES COULD DIP TO AROUND FREEZING FOR
A COUPLE OF HOURS EARLY FRIDAY MORNING.

INZ021-028>031-035>042-049-271000-
/O.CON.KIND.FZ.W.0007.120427T0700Z-120427T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-HENRY-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE
938 PM EDT THU APR 26 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT
FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY. 

* TIMING...300 AM TO 900 AM.

* TEMPERATURES...AROUND 32 DEGREES

* IMPACTS...TEMPERATURE SENSITIVE PLANTS COULD BE HARMED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
720 
WWUS73 KIND 270749
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
349 AM EDT FRI APR 27 2012

...FREEZING TEMPERATURES EXPECTED EARLY FRIDAY MORNING...

.HIGH PRESSURE HAS BROUGHT A COLD CANADIAN AIRMASS TO CENTRAL
INDIANA. TEMPERATURES WILL BE NEAR FREEZING AROUND DAYBREAK.

INZ021-028>031-035>042-049-271300-
/O.CON.KIND.FZ.W.0007.000000T0000Z-120427T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-HENRY-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE
349 AM EDT FRI APR 27 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...FROM 7AM TO 900 AM.

* TEMPERATURES...AROUND 32 DEGREES

* IMPACTS...TEMPERATURE SENSITIVE PLANTS COULD BE HARMED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS MAY DAMAGE CROPS AND SENSITIVE
VEGETATION.

&&

$$
301 
WWUS73 KIND 271248
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
848 AM EDT FRI APR 27 2012

...FREEZE WARNING IS CANCELLED...

INZ021-028>031-035>042-049-271400-
/O.CAN.KIND.FZ.W.0007.000000T0000Z-120427T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-HENRY-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE
848 AM EDT FRI APR 27 2012

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS CANCELLED THE
FREEZE WARNING. 

TEMPERATURES ACROSS CENTRAL INDIANA HAVE RISEN ABOVE FREEZING.
THUS THE FREEZE WARNING IS CANCELLED.

$$

PUMA

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 25, 9:17 PM EDTSpecial Weather StatementINDRush43 min
Apr 25, 9:46 PM EDTSpecial Weather StatementINDRush44 min
Apr 26, 3:57 AM EDTFreeze WatchINDCarroll, Clinton, Delaware, Henry, Howard, Madison and 3 more11 hr

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.