Alert Details

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Alert Information 100.0%* County Coverage

Frost Advisory issued May 1 at 11:53AM EDT until May 2 at 9:00AM EDT by NWS Northern Indiana

Event Type

Frost Advisory

Status

Actual

Severity

Minor

Urgency

Expected

Certainty

Likely

Message Type

Alert

Description

* WHAT...Temperatures falling through the 30s will result in frost formation.

* WHERE...Portions of northern Indiana and northwest Ohio.

* WHEN...From 2 AM EDT /1 AM CDT/ to 9 AM EDT /8 AM CDT/ Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...It is possible that clouds impact how far temperatures fall tonight.

Instructions

Take steps now to protect tender plants from the cold.

Affected Areas

Starke; Pulaski; Fulton; White; Cass; Miami; Grant; Blackford; Jay; Fulton; Henry; Putnam; Allen

SAME Codes:

018149 Starke County, IN

018131 Pulaski County, IN

018049 Fulton County, IN

018181 White County, IN

018017 Cass County, IN

018103 Miami County, IN

018053 Grant County, IN

018009 Blackford County, IN

018075 Jay County, IN

039051 Fulton County, OH

039069 Henry County, OH

039137 Putnam County, OH

039003 Allen County, OH

UGC: INZ012 INZ013 INZ015 INZ020 INZ022 INZ023 INZ032 INZ033 INZ034 OHZ002 OHZ005 OHZ016 OHZ025

This covers virtually all emergency service districts, townships, and municipalities within the county.

Alert Coverage Map

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Alert Area Affected Boundaries

County-wide coverage shown

Timing

Alert Sent:

2026-05-01 11:53 EDT
11:53 AM EDT

Onset:

2026-05-02T02:00:00-04:00

Expires:

2026-05-02 09:00 EDT
09:00 AM EDT

Event Ends:

2026-05-02T09:00:00-04:00

Added:

2026-05-01 11:54 EDT
11:54 AM EDT

Updated:

2026-05-01 13:28 EDT
01:28 PM EDT

Times in America/New_York. Auto-adjusts for daylight saving.

Technical Details

Alert Identifier
urn:oid:2.49.0.1.840.0.c177828b3f0dfec22cb39eb3691ece0b073dade8.002.2

Database ID
#581

Scope Public

Category Met

Coverage Type County-Wide

Estimated Coverage 100.0% of Putnam County — approx. 484.2 sq mi Estimated from SAME broadcast area, not the storm polygon.

Source times converted from NWS format to local Eastern Time.

Emergency Service Coverage - All County Boundaries

Major County Impact

This alert covers 100.0% of Putnam County (~484.2 sq mi) , affecting most emergency service boundaries.

Coverage estimated from SAME broadcast area. Recalculate intersections to use the storm polygon.

Coverage by Service Type:

Boundary Analysis Pending

Alert geometry exists (100.0% county coverage), but service boundary intersections have not been calculated yet.

100.0%

Major County Coverage

~484.2 sq mi affected

* Estimated from SAME broadcast area.

NOAA Alert Details

Alert Origin

Originator NWS Northern Indiana

Sender ID w-nws.webmaster@noaa.gov

Scope Public

Category Met

Effective 2026-05-01T11:53:00-04:00

Language en-US

Web http://www.weather.gov

Alert Feed

https://api.weather.gov/alerts/active?zone=OHC003,OHZ016,OHC137,OHZ025,OHZ004,OHC039,OHZ017,OHC063,OHZ005,OHC069,OHZ015,OHC125,OHZ024,OHC161,OHZ006,OHC173

NOAA

EAS Parameters

Block Channels EAS NWEM CMAS

Geocodes

SAME Geocodes

018149 Starke County, IN

018131 Pulaski County, IN

018049 Fulton County, IN

018181 White County, IN

018017 Cass County, IN

018103 Miami County, IN

018053 Grant County, IN

018009 Blackford County, IN

018075 Jay County, IN

039051 Fulton County, OH

039069 Henry County, OH

039137 Putnam County, OH

039003 Allen County, OH

UGC Codes INZ012 INZ013 INZ015 INZ020 INZ022 INZ023 INZ032 INZ033 INZ034 OHZ002 OHZ005 OHZ016 OHZ025

Affected Zones INZ012 INZ013 INZ015 INZ020 INZ022 INZ023 INZ032 INZ033 INZ034 OHZ002 OHZ005 OHZ016 OHZ025

Event Codes

SAME NWS

NationalWeatherService FRY

VTEC

New Event Frost Advisory #2

Office KIWX · Begins 2026-05-02 06:00 UTC · Ends 2026-05-02 13:00 UTC

/O.NEW.KIWX.FR.Y.0002.260502T0600Z-260502T1300Z/

IEM VTEC Browser

FROST ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 9 AM EDT /8 AM CDT/ SATURDAY

NWS Parameters

AWIPSidentifier NPWIWX

WMOidentifier WWUS73 KIWX 011553

eventEndingTime 2026-05-02T09:00:00-04:00

EAS Forwarding Status

Not Forwarded

Reason No authorised SAME event code available for Frost Advisory.

Actions

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Raw CAP Alert Data

Original JSON data received from NOAA National Weather Service

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  "geometry": null,
  "id": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c177828b3f0dfec22cb39eb3691ece0b073dade8.002.2",
  "properties": {
    "@id": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c177828b3f0dfec22cb39eb3691ece0b073dade8.002.2",
    "@type": "wx:Alert",
    "_fetch_endpoint": "https://api.weather.gov/alerts/active?zone=OHC003,OHZ016,OHC137,OHZ025,OHZ004,OHC039,OHZ017,OHC063,OHZ005,OHC069,OHZ015,OHC125,OHZ024,OHC161,OHZ006,OHC173",
    "_fetch_endpoint_type": "NOAA",
    "affectedZones": [
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      "https://api.weather.gov/zones/forecast/INZ013",
      "https://api.weather.gov/zones/forecast/INZ015",
      "https://api.weather.gov/zones/forecast/INZ020",
      "https://api.weather.gov/zones/forecast/INZ022",
      "https://api.weather.gov/zones/forecast/INZ023",
      "https://api.weather.gov/zones/forecast/INZ032",
      "https://api.weather.gov/zones/forecast/INZ033",
      "https://api.weather.gov/zones/forecast/INZ034",
      "https://api.weather.gov/zones/forecast/OHZ002",
      "https://api.weather.gov/zones/forecast/OHZ005",
      "https://api.weather.gov/zones/forecast/OHZ016",
      "https://api.weather.gov/zones/forecast/OHZ025"
    ],
    "areaDesc": "Starke; Pulaski; Fulton; White; Cass; Miami; Grant; Blackford; Jay; Fulton; Henry; Putnam; Allen",
    "category": "Met",
    "certainty": "Likely",
    "code": "IPAWSv1.0",
    "description": "* WHAT...Temperatures falling through the 30s will result in frost\nformation.\n\n* WHERE...Portions of northern Indiana and northwest Ohio.\n\n* WHEN...From 2 AM EDT /1 AM CDT/ to 9 AM EDT /8 AM CDT/ Saturday.\n\n* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive\noutdoor plants may be killed if left uncovered.\n\n* ADDITIONAL DETAILS...It is possible that clouds impact how far\ntemperatures fall tonight.",
    "effective": "2026-05-01T11:53:00-04:00",
    "ends": "2026-05-02T09:00:00-04:00",
    "event": "Frost Advisory",
    "eventCode": {
      "NationalWeatherService": [
        "FRY"
      ],
      "SAME": [
        "NWS"
      ]
    },
    "expires": "2026-05-02T09:00:00-04:00",
    "geocode": {
      "SAME": [
        "018149",
        "018131",
        "018049",
        "018181",
        "018017",
        "018103",
        "018053",
        "018009",
        "018075",
        "039051",
        "039069",
        "039137",
        "039003"
      ],
      "UGC": [
        "INZ012",
        "INZ013",
        "INZ015",
        "INZ020",
        "INZ022",
        "INZ023",
        "INZ032",
        "INZ033",
        "INZ034",
        "OHZ002",
        "OHZ005",
        "OHZ016",
        "OHZ025"
      ]
    },
    "headline": "Frost Advisory issued May 1 at 11:53AM EDT until May 2 at 9:00AM EDT by NWS Northern Indiana",
    "id": "urn:oid:2.49.0.1.840.0.c177828b3f0dfec22cb39eb3691ece0b073dade8.002.2",
    "identifier": "urn:oid:2.49.0.1.840.0.c177828b3f0dfec22cb39eb3691ece0b073dade8.002.2",
    "instruction": "Take steps now to protect tender plants from the cold.",
    "language": "en-US",
    "messageType": "Alert",
    "note": null,
    "onset": "2026-05-02T02:00:00-04:00",
    "parameters": {
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        "NPWIWX"
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      "BLOCKCHANNEL": [
        "EAS",
        "NWEM",
        "CMAS"
      ],
      "NWSheadline": [
        "FROST ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 9 AM EDT /8 AM CDT/ SATURDAY"
      ],
      "VTEC": [
        "/O.NEW.KIWX.FR.Y.0002.260502T0600Z-260502T1300Z/"
      ],
      "WMOidentifier": [
        "WWUS73 KIWX 011553"
      ],
      "eventEndingTime": [
        "2026-05-02T09:00:00-04:00"
      ]
    },
    "references": [],
    "response": "Prepare",
    "scope": "Public",
    "sender": "w-nws.webmaster@noaa.gov",
    "senderName": "NWS Northern Indiana",
    "sent": "2026-05-01T11:53:00-04:00",
    "severity": "Minor",
    "source": "NOAA",
    "status": "Actual",
    "urgency": "Expected",
    "web": "http://www.weather.gov"
  },
  "type": "Feature"
}

Source: NOAA
Origin URI: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c177828b3f0dfec22cb39eb3691ece0b073dade8.002.2
Last Updated: 2026-05-01 13:28 EDT (17:28 UTC)