Warning Vector

Flash Flood Warning

NWS Fort Worth TX ยท US

Updated

Details

Flash Flood Warning Issued September 20 At 7:35PM CDT Until September 20 At 9:30PM CDT By NWS Fort Worth TX

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWFWD The National Weather Service in Fort Worth has extended the * Flash Flood Warning for... Central Grayson County in north central Texas... * Until 930 PM CDT. * At 735 PM CDT, emergency management reported multiple flooded roads in and around the Denison area. Flash flooding is already occurring in this area. Additional instances of flash flooding is imminent or occurring in the Sherman to Southmayd areas as well.

Hazard

Flash flooding caused by thunderstorms.

Source

Emergency management reported.

Impacts

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Sherman, Denison, Pottsboro, Knollwood, Randell Lake, Eisenhower State Park, Southmayd, Boddie and Carpenters Bluff.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Affected areas

  • Grayson County, TX

Public contact

Issuer
NWS Fort Worth TX

Message record

Received
Issue to receipt
~36s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M30P7H6AJAYD4CSN0DJ6QZDW
Identifier
urn:oid:2.49.0.1.840.0.7a4e058c9e6f2e4c107ebe9446aca8dfcfc29c0a.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Fort Worth TX
AWIPS ID
CAPFWD
NWWS sequence
nwws_processor.940
WMO heading
XOUS54
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
54

References

Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWFWD
WMOidentifierWGUS54 KFWD 210035
flashFloodDetectionOBSERVED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.EXT.KFWD.FF.W.0085.000000T0000Z-260921T0230Z/
eventEndingTime2026-09-20T21:30:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Grayson County, TX
NameValue
SAME048181
UGCTXC181
Polygons
33.76,-96.41 33.62,-96.52 33.59,-96.7 33.63,-96.83 33.73,-96.77 33.85,-96.63 33.84,-96.62 33.82,-96.57 33.82,-96.53 33.81,-96.52 33.79,-96.52 33.77,-96.5 33.78,-96.43 33.78,-96.42 33.76,-96.41