Warning Vector

Special Weather Statement

NWS Birmingham AL ยท US

New

Details

A Strong Thunderstorm Will Impact Southeastern Blount...East Central Jefferson And Western St. Clair Counties Through 215 PM CDT

Event
Special Weather Statement
Issued
Onset
Message expires
Category
Meteorological
Urgency
Expected
Severity
Moderate
Certainty
Observed
Response
Execute

Description

Overview

At 127 PM CDT, Doppler radar was tracking a strong thunderstorm over Moody. This thunderstorm was nearly stationary.

Hazard

Wind gusts up to 40 mph and nickel size hail.

Source

Radar indicated.

Impacts

Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Trussville, Leeds, Moody, Springville, Odenville, Margaret, Argo, Ashville, Bald Rock, Shops of Grand River, Branchville, Inland Lake, Highland Lake, St. Clair Springs, Holly Springs, Caldwell, and Camp Winnataska. This includes the following highways... Interstate 59 between mile markers 144 and 164. Interstate 20 between mile markers 141 and 152.

Instructions

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.

Affected areas

  • Blount County, AL
  • Jefferson County, AL
  • St. Clair County, AL

Public contact

Issuer
NWS Birmingham AL

Message record

Received
Issue to receipt
~14s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M32KKJ2QY1SRVJZ87MB3Z1BR
Identifier
urn:oid:2.49.0.1.840.0.5a19ce36de34699a9507452840199adcf6fb72b6.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Birmingham AL
AWIPS ID
CAPBMX
NWWS sequence
nwws_processor.880
WMO heading
XOUS54
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
54

Event codes

NameValue
SAMESPS
NationalWeatherServiceSPS

Parameters

NameValue
AWIPSidentifierSPSBMX
WMOidentifierWWUS84 KBMX 211828
NWSheadlineA STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN BLOUNT...EAST CENTRAL JEFFERSON AND WESTERN ST. CLAIR COUNTIES THROUGH 215 PM CDT
eventMotionDescription2026-09-21T18:27:00-00:00...storm...041DEG...4KT...33.63,-86.5
maxWindGust40 MPH
maxHailSize0.88
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
BLOCKCHANNELCMAS
Locations

Location data

  • Blount County, AL
  • Jefferson County, AL
  • St. Clair County, AL
NameValue
SAME001009
SAME001073
SAME001115
UGCALZ017
UGCALZ024
UGCALZ026
Polygons
33.83,-86.28 33.5,-86.44 33.5,-86.47 33.51,-86.48 33.55,-86.48 33.55,-86.52 33.53,-86.52 33.52,-86.53 33.56,-86.63 33.9,-86.46 33.83,-86.28