Special Marine Warning
NWS Tallahassee FL ยท US
Details
Special Marine Warning Issued September 20 At 8:15AM EDT Until September 20 At 9:45AM EDT By NWS Tallahassee FL
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWTAE The National Weather Service in Tallahassee has issued a * Special Marine Warning for... Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM... Waters from Suwannee River to Apalachicola FL from 20 to 60 NM... * Until 945 AM EDT/845 AM CDT/. * At 815 AM EDT/715 AM CDT/, strong thunderstorms capable of producing waterspouts were located along a line extending from 19 nm south of C Tower to near S Tower to 10 nm south of V Tower, moving south at 5 knots.
Hazard
Waterspouts and wind gusts 34 knots or greater.
Source
Radar indicated.
Impacts
Waterspouts can quickly form and capsize boats...damage vessels...and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots...suddenly higher waves...frequent lightning...and heavy downpours. Make sure all on board are wearing life jackets. * Severe thunderstorms will remain over mainly open waters.
Instructions
Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
Affected areas
- Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM
- Waters from Suwannee River to Apalachicola FL from 20 to 60 NM
Public contact
- Issuer
- NWS Tallahassee FL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m5s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2ZBXDRR8Y7ZMJ2J0SF841W8
- Identifier
- urn:oid:2.49.0.1.840.0.119434398b7f224045a997210249cba5643833cf.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Tallahassee FL
- AWIPS ID
- CAPTAE
- NWWS sequence
- nwws_processor.451
- WMO heading
- XOUS52
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 52
Event codes
| Name | Value |
|---|---|
| SAME | SMW |
| NationalWeatherService | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SMWTAE |
| WMOidentifier | WHUS52 KTAE 201215 |
| eventMotionDescription | 2026-09-20T12:15:00-00:00...storm...013DEG...6KT...29.08,-84.81 29.22,-84.55 29.24,-84.35 |
| waterspoutDetection | POSSIBLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KTAE.MA.W.0393.260920T1215Z-260920T1345Z/ |
| eventEndingTime | 2026-09-20T09:45:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM
- Waters from Suwannee River to Apalachicola FL from 20 to 60 NM
| Name | Value |
|---|---|
| SAME | 077772 |
| SAME | 077775 |
| UGC | GMZ772 |
| UGC | GMZ775 |
- Polygons
- 28.78,-85.01 28.8,-84.65 29.02,-84.19 29.16,-84.14 29.31,-84.24 29.29,-84.58 29.14,-84.97 28.99,-85.07 28.78,-85.01