Special Marine Warning 310, NWS Tallahassee, FL

Issued

Aug 28, 2021, 10:47 PM EDT (02:47 UTC)

Expired

Aug 29, 2021, 12:15 AM EDT

In force

88 min

Issued by

NWS Tallahassee, FL

Area

Storm-based polygon

Hail

0.0 in

Wind

34.0 mph

The Tallahassee radar (KTLH), 110 km from the middle of the area, began a volume at 02:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

698 
WHUS52 KTAE 290247
SMWTAE
GMZ750-752-755-775-290415-
/O.NEW.KTAE.MA.W.0310.210829T0247Z-210829T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Tallahassee FL
1047 PM EDT Sat Aug 28 2021

The National Weather Service in Tallahassee has issued a

* Special Marine Warning for...
  Coastal Waters From  Ochlockonee River to Apalachicola FL out to 20
  Nm...
  Coastal Waters from Mexico Beach to Apalachicola out 20 NM...
  Coastal waters from Okaloosa-Walton County Line to Mexico Beach out
  20 NM...
  Waters from Suwannee River to Apalachicola FL from 20 to 60 NM...

* Until 1215 AM EDT/1115 PM CDT/.

* At 1047 PM EDT/947 PM CDT/, severe thunderstorms capable of
  producing waterspouts were located along a line extending from near
  C Tower to near V Tower to 34 nm southwest of Suwannee River,
  moving northwest at 40 knots.

  HAZARD...Waterspouts and wind gusts 34 knots or greater.

  SOURCE...Radar indicated.

  IMPACT...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.

* Locations impacted include...
  O Tower, S Tower, V Tower, Apalachicola, C Tower, Cape San Blas, St
  George Island and Port St. Joe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.

&&

LAT...LON 2894 8412 2888 8420 2968 8568 2982 8526
      2974 8526 2976 8504 2986 8486 2981 8480
      2984 8475 2916 8354 2887 8405
TIME...MOT...LOC 0247Z 121DEG 38KT 2944 8484 2933 8431 2907 8377 

WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...>34KTS

$$

72-BUNKER

Special Marine Warnings in Florida, 2021Every special marine warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.