Alert archive / Indiana / Frost Advisories in 2011

Frost Advisory 4, NWS Indianapolis, IN

October 27, 201133 counties in Indiana

NWS Indianapolis, IN issued this frost advisory at Oct 27, 2011, 2:51 PM EDT for 33 counties in Indiana. It took effect at Oct 28, 2011, 2:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 27, 2011, 2:51 PM EDT (18:51 UTC)
In effect from
Oct 28, 2011, 2:00 AM EDT
Expired
Oct 28, 2011, 9:00 AM EDT
In force
7 hr
Issued by
NWS Indianapolis, IN
All 33 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton 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, Johnson County, IN, Madison County, IN, Marion 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), 14 km from the middle of the area, began a volume at 18:50 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, 6.9 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 12:00Z on 2011-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -132 square meters per square second.1939587897117136156Sfc1 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
698 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
-132 m²/s²
0-3 km storm-relative helicity
45 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.

100 
WWUS73 KIND 271851
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
251 PM EDT THU OCT 27 2011

...AREAS OF FROST LATE TONIGHT AND EARLY FRIDAY...

.MOSTLY CLEAR SKIES AND CALM WINDS ARE EXPECTED TONIGHT AND EARLY
FRIDAY MORNING AS HIGH PRESSURE EXPANDS ACROSS THE OHIO VALLEY.
TEMPERATURES WILL DROP INTO THE LOWER AND MIDDLE 30S BY EARLY
FRIDAY MORNING. THESE TEMPERATURES WILL ALLOW FOR THE FORMATION
OF FROST...ESPECIALLY IN RURAL AND SHELTERED LOCATIONS.

INZ021-028>031-035>049-051>057-060>065-280300-
/O.NEW.KIND.FR.Y.0004.111028T0600Z-111028T1300Z/
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-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS
251 PM EDT THU OCT 27 2011

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY. 

* TEMPERATURES...LOW TEMPERATURES WILL FALL INTO THE LOWER AND
  MIDDLE 30S BY EARLY FRIDAY MORNING.

* IMPACTS...AREAS OF FROST WILL DEVELOP LATE TONIGHT AND EARLY 
  FRIDAY MORNING...ESPECIALLY IN RURAL AND SHELTERED AREAS AS 
  WELL AS VALLEYS. PLANTS...CROPS AND VEGETATION SUSCEPTIBLE TO 
  FROST DAMAGE COULD SUFFER IF LEFT UNPROTECTED. 

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
047 
WWUS73 KIND 280215
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1015 PM EDT THU OCT 27 2011

...AREAS OF FROST LATE TONIGHT AND EARLY FRIDAY...

.MOSTLY CLEAR TO PARTLY CLOUDY SKIES AND CALM WINDS ARE EXPECTED
TONIGHT AND EARLY FRIDAY MORNING AS HIGH PRESSURE EXPANDS ACROSS
THE OHIO VALLEY. TEMPERATURES WILL DROP INTO THE LOWER AND MIDDLE
30S BY EARLY FRIDAY MORNING. THESE TEMPERATURES WILL ALLOW FOR THE
FORMATION OF FROST...ESPECIALLY IN RURAL AND SHELTERED LOCATIONS.

INZ021-028>031-035>049-051>057-060>065-281015-
/O.CON.KIND.FR.Y.0004.111028T0600Z-111028T1300Z/
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-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS
1015 PM EDT THU OCT 27 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT FRIDAY. 

* TEMPERATURES...LOW TEMPERATURES WILL FALL INTO THE LOWER AND 
  MIDDLE 30S BY EARLY FRIDAY MORNING. 

* IMPACTS...AREAS OF FROST WILL DEVELOP LATE TONIGHT AND EARLY 
  FRIDAY MORNING...ESPECIALLY IN RURAL AND SHELTERED AREAS AS 
  WELL AS VALLEYS. PLANTS...CROPS AND VEGETATION SUSCEPTIBLE TO 
  FROST DAMAGE COULD SUFFER IF LEFT UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
433 
WWUS73 KIND 280747
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
347 AM EDT FRI OCT 28 2011

...AREAS OF FROST THIS MORNING...

.PARTLY CLOUDY SKIES AND CALM WINDS WILL CONTINUE THIS MORNING AS
HIGH PRESSURE EXPANDS ACROSS THE OHIO VALLEY...AND TEMPERATURES
WILL BOTTOM OUT IN THE LOW TO MID 30S. THESE TEMPERATURES WILL ALLOW
FOR THE FORMATION OF FROST...ESPECIALLY IN RURAL AND SHELTERED
LOCATIONS.

INZ021-028>031-035>049-051>057-060>065-281300-
/O.CON.KIND.FR.Y.0004.000000T0000Z-111028T1300Z/
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-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS
347 AM EDT FRI OCT 28 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. 

* TEMPERATURES...LOW TEMPERATURES WILL FALL INTO THE LOWER AND
  MIDDLE 30S THIS MORNING.

* IMPACTS...AREAS OF FROST WILL DEVELOP THIS MORNING...ESPECIALLY IN
  RURAL AND SHELTERED AREAS AS WELL AS VALLEYS. PLANTS...CROPS AND
  VEGETATION SUSCEPTIBLE TO FROST DAMAGE COULD SUFFER IF LEFT
  UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NIELD
988 
WWUS73 KIND 281256
NPWIND

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
856 AM EDT FRI OCT 28 2011

...FROST ADVISORY WILL EXPIRE AT 9 AM...

INZ021-028>031-035>049-051>057-060>065-281400-
/O.EXP.KIND.FR.Y.0004.000000T0000Z-111028T1300Z/
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-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS
856 AM EDT FRI OCT 28 2011

...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING...

THE FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING. 

TEMPERATURE: TEMPERATURES WILL RISE OUT OF THE MIDDLE 30S AFTER 9
AM. FROST WILL NO LONGER BE A THREAT.

$$

Nearby

Frost Advisories in Indiana, 2011Every frost advisory in 2011

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.