Alert archive / Alabama / Small Craft Advisories in 2021
Small Craft Advisory 48, NWS Mobile, AL
NWS Mobile, AL issued this small craft advisory at Dec 10, 2021, 2:21 PM CST. It took effect at Dec 11, 2021, 6:00 PM CST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2021, 2:21 PM CST (20:21 UTC)
- In effect from
- Dec 11, 2021, 6:00 PM CST
- Expired
- Dec 12, 2021, 8:00 AM CST
- In force
- 14 hr
- Issued by
- NWS Mobile, AL
The text
As transmitted.
988 WHUS74 KMOB 102021 MWWMOB URGENT - MARINE WEATHER MESSAGE National Weather Service Mobile AL 221 PM CST Fri Dec 10 2021 GMZ630>632-650-655-110500- /O.CON.KMOB.MF.Y.0030.211210T2100Z-211211T1500Z/ /O.NEW.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM- 221 PM CST Fri Dec 10 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM SATURDAY TO 8 AM CST SUNDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, north winds 18 to 23 kt with gusts up to 25 to 30 kt are expected. Waves in bays and sounds will be around 1 to 2 feet, with seas of 3 to 4 ft expected over the Gulf waters. * WHERE...For the Small Craft Advisory - Northern Mobile Bay, Southern Mobile Bay, Mississippi Sound, Coastal waters from Pensacola FL to Pascagoula MS out 20 NM and Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM. For the Dense Fog Advisory - Portions of the coastal waters of Alabama and northwest Florida. * WHEN...For the Dense Fog Advisory, until 9 AM CST Saturday. For the Small Craft Advisory, from 6 PM Saturday to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ670-675-110500- /O.NEW.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 221 PM CST Fri Dec 10 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM SATURDAY TO 8 AM CST SUNDAY... * WHAT...North winds 18 to 23 kt with gusts up to 25 to 30 kts and seas around 4 to 5 ft expected. * WHERE...Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM and Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM. * WHEN...From 6 PM Saturday to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ633>636-110500- /O.CON.KMOB.MF.Y.0030.211210T2100Z-211211T1500Z/ Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay- Eastern Choctawhatchee Bay- 221 PM CST Fri Dec 10 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Portions of the coastal waters of Alabama and northwest Florida. * WHEN...Until 9 AM CST Saturday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
4 follow-up statements
390 WHUS74 KMOB 110412 MWWMOB URGENT - MARINE WEATHER MESSAGE National Weather Service Mobile AL 1012 PM CST Fri Dec 10 2021 GMZ630>632-650-655-111500- /O.CON.KMOB.MF.Y.0030.000000T0000Z-211211T1500Z/ /O.CON.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM- 1012 PM CST Fri Dec 10 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM SATURDAY TO 8 AM CST SUNDAY... * WHAT...For the Dense Fog Advisory, dense fog will frequently reduce visibility to 1 NM or less. For the Small Craft Advisory, north winds 18 to 23 kt with gusts up to 25 to 30 kt are expected. Waves in bays and sounds will be around 1 to 2 feet, with seas of 3 to 4 feet expected over the Gulf waters. * WHERE...Northern Mobile Bay, Southern Mobile Bay, Mississippi Sound, Coastal waters from Pensacola FL to Pascagoula MS out 20 NM and Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM. * WHEN...For the Dense Fog Advisory, until 9 AM CST Saturday. For the Small Craft Advisory, from 6 PM Saturday to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ633>636-111500- /O.CON.KMOB.MF.Y.0030.000000T0000Z-211211T1500Z/ Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay- Eastern Choctawhatchee Bay- 1012 PM CST Fri Dec 10 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Portions of the coastal waters of Alabama and northwest Florida, including Perdido Bay, the Pensacola Bay System, Western Choctawhatchee Bay and Eastern Choctawhatchee Bay. * WHEN...Until 9 AM CST Saturday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ670-675-111500- /O.CON.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 1012 PM CST Fri Dec 10 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM SATURDAY TO 8 AM CST SUNDAY... * WHAT...North winds 18 to 23 kt with gusts up to 25 to 30 kts and seas around 3 to 5 ft expected. * WHERE...Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM and Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM. * WHEN...From 6 PM Saturday to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
541 WHUS74 KMOB 111449 MWWMOB URGENT - MARINE WEATHER MESSAGE National Weather Service Mobile AL 849 AM CST Sat Dec 11 2021 GMZ655-112300- /O.CAN.KMOB.MF.Y.0030.000000T0000Z-211211T1500Z/ /O.CON.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM- 849 AM CST Sat Dec 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 8 AM CST SUNDAY... ...DENSE FOG ADVISORY IS CANCELLED... * WHAT...North winds 18 to 23 kt with gusts up to 25 to 30 kt are expected. Waves in bays and sounds will be around 1 to 2 feet, with seas of 3 to 4 feet expected over the Gulf waters. * WHERE...Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM. * WHEN...From 6 PM this evening to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ634>636-111600- /O.CAN.KMOB.MF.Y.0030.000000T0000Z-211211T1500Z/ Pensacola Bay System-Western Choctawhatchee Bay- Eastern Choctawhatchee Bay- 849 AM CST Sat Dec 11 2021 ...DENSE FOG ADVISORY IS CANCELLED... $$ GMZ630>632-650-112300- /O.EXT.KMOB.MF.Y.0030.000000T0000Z-211211T1700Z/ /O.CON.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- 849 AM CST Sat Dec 11 2021 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 8 AM CST SUNDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, north winds 20 to 25 kt and seas 2 to 4 ft expected. * WHERE...Coastal waters from Pensacola FL to Pascagoula MS out 20 NM, Mississippi Sound, Southern Mobile Bay and Northern Mobile Bay. * WHEN...For the Dense Fog Advisory, until 11 AM CST this morning. For the Small Craft Advisory, from 6 PM this evening to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ633-111700- /O.EXT.KMOB.MF.Y.0030.000000T0000Z-211211T1700Z/ Perdido Bay- 849 AM CST Sat Dec 11 2021 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Perdido Bay. * WHEN...Until 11 AM CST this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ670-675-112300- /O.CON.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 849 AM CST Sat Dec 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 8 AM CST SUNDAY... * WHAT...North winds 20 to 25 kt and seas 4 to 5 ft expected. * WHERE...Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM and Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM. * WHEN...From 6 PM this evening to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
636 WHUS74 KMOB 111746 MWWMOB URGENT - MARINE WEATHER MESSAGE National Weather Service Mobile AL 1146 AM CST Sat Dec 11 2021 GMZ630>632-650-655-670-675-120300- /O.CON.KMOB.SC.Y.0048.211212T0000Z-211212T1400Z/ Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM- Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 1146 AM CST Sat Dec 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 8 AM CST SUNDAY... * WHAT...North winds 18 to 23 kt with gusts up to 25 to 30 kt and seas 3 to 5 ft expected. Waves in bays and sounds will be around 1 to 2 feet * WHERE...Portions of the coastal waters of Alabama and northwest Florida. * WHEN...From 6 PM this evening to 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
546 WHUS74 KMOB 120326 MWWMOB URGENT - MARINE WEATHER MESSAGE National Weather Service Mobile AL 926 PM CST Sat Dec 11 2021 GMZ630>632-650-655-670-675-121400- /O.CON.KMOB.SC.Y.0048.000000T0000Z-211212T1400Z/ Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM- Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 926 PM CST Sat Dec 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST SUNDAY... * WHAT...North winds 18 to 23 kt with gusts up to 25 to 30 kt and seas 3 to 5 ft expected. Waves in bays and sounds will be around 1 to 2 feet. * WHERE...Portions of the coastal waters of Alabama and northwest Florida, including Waters from Pascagoula MS to Okaloosa Walton County Line FL out 60 NM, all of Mobile Bay, and the Mississippi Sound. * WHEN...Until 8 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 8:37 PM CST | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Dec 9, 9:38 PM CST | Special Weather Statement | MOB | Mobile | 52 min |
| Dec 9, 10:34 PM CST | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Dec 9, 11:17 PM CST | Dense Fog Advisory | MOB | Baldwin, Mobile | 10 hr |
| Dec 9, 11:34 PM CST | Flash Flood Warning | MOB | Baldwin | 6 hr |
| Dec 10, 6:23 AM CST | River Flood Warning | MOB | Baldwin | 25 hr |
| Dec 10, 11:10 AM CST | Special Weather Statement | MOB | Washington | 50 min |
| Dec 10, 1:19 PM CST | Dense Fog Advisory | MOB | Baldwin, Mobile | 19 hr |
| Dec 10, 1:19 PM CST | Marine Dense Fog Advisory | MOB | 22 hr | |
| Dec 10, 12:01 AM CST | Areal Flood Advisory | MOB | Escambia, Santa Rosa | 3 hr |
| Dec 10, 1:16 AM CST | Special Weather Statement | MOB | Santa Rosa | 44 min |
| Dec 10, 2:05 AM CST | Areal Flood Advisory | MOB | Okaloosa | 3 hr |
Nearby
Small Craft Advisories in Alabama, 2021Every small craft advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.