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NOUS41 KPHI 141901
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DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-150715-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
301 PM EDT TUE APR 14 2026
TO: SUBSCRIBERS - NOAA WEATHER WIRE SERVICE, EMERGENCY MANAGERS
WEATHER INFORMATION NETWORK, AND OTHER NWS PARTNERS AND
EMPLOYEES
FROM: RAY KRUZDLO - SENIOR SERVICE HYDROLOGIST
SUBJECT: FLOOD CATEGORIES CHANGING FOR THE BRANDYWINE CREEK AT
WILMINGTON, DELAWARE
ON OR ABOUT WEDNESDAY, MAY 13, 2026, THE NATIONAL WEATHER SERVICE
(NWS) WILL INTRODUCE NEW FLOOD CATEGORIES FOR THE BRANDYWINE CREEK
AT WILMINGTON, DELAWARE (NWS - WMND1, USGS #01481500). ALONG WITH
THE FLOOD CATEGORIES, IMPACTS LISTED ON THE NATIONAL WATER
PREDICTION SERVICE (NWPS) WILL ALSO BE UPDATED.
ALL OF THE CHANGES HAVE BEEN COORDINATED WITH THE UNITED STATES
GEOLOGICAL SURVEY (USGS), THE FEDERAL AGENCY WHO OWNS AND OPERATES
THE GAUGE, AS WELL AS THE NATIONAL WEATHER SERVICE'S MIDDLE-ATLANTIC
RIVER FORECAST CENTER (NWS MARFC) WHO PROVIDES MODEL GUIDANCE AND
FORECASTS.
DUE TO THE REMOVAL OF MILL DAM AND THE NEED TO RELOCATE THE GAUGE,
FLOOD CATEGORY AND IMPACT CHANGES WERE REQUIRED TO CONTINUE OFFERING
NWS FLOOD WARNING SERVICES.
OLD FLOOD CATEGORIES NEW FLOOD CATEGORIES
ACTION STAGE 14.5 FEET 22.0 FEET
FLOOD STAGE: 16.5 FEET 24.5 FEET
MODERATE FLOOD STAGE: 18.0 FEET 26.0 FEET
MAJOR FLOOD STAGE: 19.0 FEET 27.0 FEET
UNITED STATES GEOLOGICAL SURVEY OBSERVATION DATA CAN BE VIEWED
ONLINE AT:
HTTPS://WATERDATA.USGS.GOV/MONITORING-LOCATION/USGS-01481500
NATIONAL WEATHER SERVICE RIVER FORECASTS CAN BE VIEWED ONLINE AT:
HTTPS://WATER.NOAA.GOV
SPECIFIC HYDROLOGIC INFORMATION PERTAINING TO BRANDYWINE CREEK AT
WILMINGTON CAN BE VIEWED ONLINE AT:
HTTPS://WATER.NOAA.GOV/GAUGES/WMND1
IF YOU HAVE QUESTIONS, PLEASE CONTACT:
RAY KRUZDLO
NATIONAL WEATHER SERVICE
SENIOR SERVICE HYDROLOGIST
PHONE: 609-261-6605 EXT 234
EMAIL:RAYMOND.KRUZDLO@NOAA.GOV
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