Alert Information 9.2% County Coverage
Event Type
Flood Warning
Status
Actual
Severity
Severe
Urgency
Expected
Certainty
Likely
Message Type
Alert

Description
...The National Weather Service in Northern Indiana has issued a Flood Warning for the following rivers in Ohio... Blanchard River at Ottawa affecting Putnam County. For the Blanchard River...including Ottawa...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Blanchard River at Ottawa. * WHEN...From this evening to Saturday morning. * IMPACTS...At 23.0 feet, Lowland flooding occurs mainly in south Ottawa. Flood water also gets into low farmlands. * ADDITIONAL DETAILS... - At 7:30 AM EDT Thursday the stage was 21.6 feet. - Forecast...The river is expected to rise above flood stage this evening to a crest of 23.5 feet tomorrow morning. It will then fall below flood stage early Saturday morning. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood

Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Detailed river forecasts and additional information can be found at www.weather.gov/iwx under Rivers and Lakes. The next statement will be issued late tonight at 230 AM EDT.

Affected Areas
Putnam, OH
SAME Codes:
039137 Putnam County, OH
UGC: OHC137

This covers a small portion of emergency service districts, townships, and municipalities within the county.
Alert Coverage Map

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Alert Area Affected Boundaries
Specific alert area shown
Timing
Alert Sent:
2026-04-02 08:17 EDT
08:17 AM EDT
Onset:
2026-04-02T20:00:00-04:00
Expires:
2026-04-03 02:30 EDT
02:30 AM EDT
Event Ends:
2026-04-04T08:00:00-04:00
Added:
2026-04-02 08:18 EDT
08:18 AM EDT
Updated:
2026-04-02 10:18 EDT
10:18 AM EDT

Times in America/New_York. Auto-adjusts for daylight saving.
Technical Details
Alert Identifier
urn:oid:2.49.0.1.840.0.6bdee1298833972d406bf8195734b6c8b87a96c3.001.1
Database ID
#228
Scope Public
Category Met
Coverage Type Localized
Exact Coverage 9.2% of Putnam County — approx. 44.7 sq mi

Source times converted from NWS format to local Eastern Time.
Affected Boundaries
Localized County Impact

This alert covers 9.2% of Putnam County (~44.7 sq mi) , affecting some emergency service boundaries.

Coverage by Service Type:
Boundary Analysis Pending

Alert geometry exists (9.2% county coverage), but service boundary intersections have not been calculated yet.

9.2%
Localized Coverage
~44.7 sq mi affected
NOAA Alert Details
Alert Origin
Originator NWS Northern Indiana
Sender ID w-nws.webmaster@noaa.gov
Scope Public
Category Met
Effective 2026-04-02T08:17:00-04:00
Language en-US
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
EAS Originator (EAS-ORG) WXR — National Weather Service
Block Channels EAS NWEM CMAS

Geocodes
SAME Geocodes
039137 Putnam County, OH
UGC Codes OHC137
Affected Zones OHC137

Event Codes
SAME FLW
NationalWeatherService FLW

VTEC
New Event Flood Warning #20
Office KIWX  ·  Begins 2026-04-03 00:00 UTC  ·  Ends 2026-04-04 12:00 UTC
/O.NEW.KIWX.FL.W.0020.260403T0000Z-260404T1200Z/

FLOOD WARNING IN EFFECT FROM THIS EVENING TO SATURDAY MORNING
NWS Parameters
AWIPSidentifier FLWIWX
WMOidentifier WGUS43 KIWX 021217
eventEndingTime 2026-04-04T08:00:00-04:00

EAS Forwarding Status
Forwarded to Air Chain
Reason Auto-forwarded: SAME ZCZC-WXR-FLW-039137+0600-0921217-KR8MER-
Forwarded Audio
Broadcast Audio Archive
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Generated Details SAME Header Actions
2026-04-02 08:18 EDT
08:18 AM EDT
Flood Warning Severe Actual FLW
039137
ZCZC-WXR-FLW-039137+0600-0921217-KR8MER-
Actions
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