Alert archive / Indiana / Frost Advisories in 2012

Frost Advisory 2, NWS Indianapolis, IN

April 5, 201220 counties in Indiana

NWS Indianapolis, IN issued this frost advisory at Apr 5, 2012, 3:16 AM EDT for 20 counties in Indiana. It took effect at Apr 6, 2012, 4:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 5, 2012, 3:16 AM EDT (07:16 UTC)
In effect from
Apr 6, 2012, 4:00 AM EDT
Expired
Apr 5, 2012, 2:46 PM EDT
In force
Issued by
NWS Indianapolis, IN

Counties Boone County, IN, Carroll County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Madison County, IN, Montgomery County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 42 km from the middle of the area, began a volume at 07:19 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, 7.3 hours before the alert went out and 192 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 2012-04-05Temperature 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 2012-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.1939Sfc1 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
2750 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
184 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.

272 
WWUS73 KIND 050716
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
316 AM EDT THU APR 5 2012

...FROST ADVISORY IN EFFECT FROM EARLY FRIDAY MORNING...

.AN UPPER LOW PULLING AWAY TO THE SOUTHEAST WILL BRING COLD
TEMPERATURES SPILLING DOWN FROM THE NORTH TONIGHT THROUGH EARLY
FRIDAY. THIS WILL RESULT IN LOW TEMPERATURES AT OR BELOW FREEZING
ACROSS MUCH OF CENTRAL INDIANA.

INZ021-028>031-035>046-048-049-057-051530-
/O.UPG.KIND.FZ.A.0002.120406T0800Z-120406T1300Z/
/O.NEW.KIND.FR.Y.0002.120406T0800Z-120406T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-HANCOCK-HENRY-RUSH-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE
316 AM EDT THU APR 5 2012

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* TEMPERATURES: 31 TO 33 DEGREES. 

* WINDS: 10 TO 15 MPH.

* IMPACTS: NEWLY BUDDING PLANTS ARE VERY SUSCEPTIBLE TO DAMAGE 
  WITH FREEZING AND SUB-FREEZING TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

SMF
3 follow-up statements
386 
WWUS73 KIND 050734 CCA
NPWIND

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
333 AM EDT THU APR 5 2012

...FROST ADVISORY IN EFFECT FROM EARLY FRIDAY MORNING...

.AN UPPER LOW PULLING AWAY TO THE SOUTHEAST WILL BRING COLD
TEMPERATURES SPILLING DOWN FROM THE NORTH TONIGHT THROUGH EARLY
FRIDAY. THIS WILL RESULT IN LOW TEMPERATURES AT OR BELOW FREEZING
ACROSS MUCH OF CENTRAL INDIANA.

INZ021-028>031-035>046-048-049-057-051600-
/O.UPG.KIND.FZ.A.0002.120406T0800Z-120406T1300Z/
/O.COR.KIND.FR.Y.0002.120406T0800Z-120406T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-HANCOCK-HENRY-RUSH-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE
333 AM EDT THU APR 5 2012

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* TEMPERATURES: 31 TO 33 DEGREES. 

* WINDS: 10 TO 15 MPH.

* IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT
  UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

SMF
330 
WWUS73 KIND 051443
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1043 AM EDT THU APR 5 2012

...FROST ADVISORY IN EFFECT FROM EARLY FRIDAY MORNING...

.AN UPPER LOW PULLING AWAY TO THE SOUTHEAST WILL BRING COLD
TEMPERATURES SPILLING DOWN FROM THE NORTH TONIGHT THROUGH EARLY
FRIDAY. THIS WILL RESULT IN LOW TEMPERATURES AT OR BELOW FREEZING
ACROSS MUCH OF CENTRAL INDIANA.

INZ021-028>031-035>046-048-049-057-052245-
/O.CON.KIND.FR.Y.0002.120406T0800Z-120406T1300Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-HANCOCK-HENRY-RUSH-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE
1043 AM EDT THU APR 5 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT FRIDAY. 

* TEMPERATURES: 31 TO 33 DEGREES.

* WINDS: 10 TO 15 MPH.

* IMPACTS: SENSITIVE OUTDOOR AND NEWLY BUDDED PLANTS MAY BE
  DAMAGED OR KILLED IF LEFT UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

RYAN
575 
WWUS73 KIND 051846
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
246 PM EDT THU APR 5 2012

...SUBFREEZING TEMPERATURES EXPECTED ACROSS PORTIONS OF CENTRAL
INDIANA LATE TONIGHT INTO EARLY FRIDAY MORNING AND AGAIN LATE
FRIDAY NIGHT AND EARLY SATURDAY MORNING...

.AN UPPER LOW PULLING AWAY TO THE SOUTHEAST WILL BRING COLD
TEMPERATURES SPILLING DOWN FROM THE NORTH TONIGHT THROUGH EARLY
FRIDAY. THIS WILL RESULT IN LOW TEMPERATURES AT OR BELOW FREEZING
ACROSS MUCH OF CENTRAL INDIANA MAINLY ALONG AND NORTH OF
INTERSTATE 70. NORTHEAST WINDS AROUND 10 MPH WILL KEEP FROST
DEVELOPMENT LARGELY CONFINED TO LOCALIZED OR SHELTERED AREAS. 

THE POTENTIAL FOR A MORE WIDESPREAD FROST IS EXPECTED FRIDAY NIGHT
AS TEMPERATURES FALL INTO THE LOWER 30S WITH LIGHT WINDS.

INZ021-029>031-037>042-048-049-057-060300-
/O.UPG.KIND.FR.Y.0002.120406T0800Z-120406T1300Z/
/O.NEW.KIND.FZ.W.0002.120406T0700Z-120406T1300Z/
/O.NEW.KIND.FZ.A.0003.120407T0600Z-120407T1300Z/
CARROLL-TIPPECANOE-CLINTON-HOWARD-BOONE-TIPTON-HAMILTON-MADISON-
DELAWARE-RANDOLPH-HANCOCK-HENRY-RUSH-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
ANDERSON...MUNCIE
246 PM EDT THU APR 5 2012

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY...
...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY. A
FREEZE WATCH HAS ALSO BEEN ISSUED FOR LATE FRIDAY NIGHT AND EARLY
SATURDAY MORNING. THE FROST ADVISORY IS NO LONGER IN EFFECT.

* TEMPERATURES: 30 TO 33 DEGREES.

* WINDS: AROUND 10 MPH.

* IMPACTS: SENSITIVE OUTDOOR AND NEWLY BUDDED PLANTS MAY BE
  DAMAGED OR KILLED IF LEFT UNCOVERED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

INZ028-035-036-043>046-060300-
/O.UPG.KIND.FR.Y.0002.120406T0800Z-120406T1300Z/
/O.NEW.KIND.FZ.W.0002.120406T0700Z-120406T1300Z/
WARREN-FOUNTAIN-MONTGOMERY-VERMILLION-PARKE-PUTNAM-HENDRICKS-
INCLUDING THE CITY OF...CRAWFORDSVILLE
246 PM EDT THU APR 5 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
FROST ADVISORY IS NO LONGER IN EFFECT. 

* TEMPERATURES: 31 TO 33 DEGREES.

* WINDS: AROUND 10 MPH.

* IMPACTS: SENSITIVE OUTDOOR AND NEWLY BUDDED PLANTS MAY BE
  DAMAGED OR KILLED IF LEFT UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

INZ055-056-064-065-072-060300-
/O.NEW.KIND.FZ.A.0003.120407T0600Z-120407T1300Z/
JOHNSON-SHELBY-BARTHOLOMEW-DECATUR-JENNINGS-
INCLUDING THE CITIES OF...SHELBYVILLE...COLUMBUS
246 PM EDT THU APR 5 2012

...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FREEZE
WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY MORNING. 

* TIMING: AFTER MIDNIGHT FRIDAY NIGHT THROUGH EARLY SATURDAY MORNING

* TEMPERATURES: 30 TO 33 DEGREES

* IMPACTS: NEWLY BUDDING PLANTS WILL REMAIN VERY SUSCEPTIBLE TO
  DAMAGE WITH FREEZING AND SUB-FREEZING TEMPERATURES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

RYAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 2:46 PM EDTFreeze WatchINDBartholomew, Boone, Carroll, Clinton, Decatur, Delaware and 12 more25 hr
Apr 5, 2:46 PM EDTFreeze WarningINDBoone, Carroll, Clinton, Delaware, Fountain, Hamilton and 14 more18 hr

Nearby

Frost Advisories in Indiana, 2012Every frost advisory 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.