Alert archive / Florida / High Surf Advisories in 2021
High Surf Advisory 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this high surf advisory at Jan 16, 2021, 2:43 AM EST for 6 counties in Florida. It took effect at Jan 16, 2021, 10:00 AM EST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jan 16, 2021, 2:43 AM EST (07:43 UTC)
- In effect from
- Jan 16, 2021, 10:00 AM EST
- Expired
- Jan 16, 2021, 10:00 PM EST
- In force
- 12 hr
- Issued by
- NWS Tampa Bay, FL
Counties Charlotte County, FL, Hillsborough County, FL, Lee County, FL, Manatee County, FL, Pinellas County, FL, Sarasota County, FL
The radar
The Tampa radar (KTBW), 44 km from the middle of the area, began a volume at 07:48 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.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 7.7 hours before the alert went out and 43 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 89 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
861 WHUS42 KTBW 160743 CFWTBW Coastal Hazard Message National Weather Service Tampa Bay Ruskin FL 243 AM EST Sat Jan 16 2021 FLZ165-170300- /O.NEW.KTBW.SU.Y.0002.210116T1500Z-210117T0300Z/ /O.CON.KTBW.BH.S.0002.000000T0000Z-210117T0300Z/ /O.CON.KTBW.RP.S.0003.000000T0000Z-210118T0000Z/ Coastal Lee- 243 AM EST Sat Jan 16 2021 ...BEACH HAZARDS STATEMENT FOR RED TIDE REMAINS IN EFFECT THROUGH THIS EVENING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...HIGH SURF ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS EVENING... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet. For the Beach Hazards Statement, respiratory irritation associated with Red Tide possible today. For the High Rip Current Risk, dangerous rip currents. * WHERE...For the Beach Hazards Statement, Coastal Southern and Coastal Central Lee County: Gulf Coast. For the High Surf Advisory and Rip Currents, Coastal Lee County. * WHEN...For the High Surf Advisory, from 10 AM this morning to 10 PM EST this evening. For the Beach Hazards Statement, through 10 PM tonight. For the High Rip Current Risk, through Sunday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. Exposure to red tide can cause coughing, sneezing, and tearing eyes. People with asthma, emphysema, or any chronic lung disease may be more sensitive. Irritation may vary by beach and throughout the day. * ADDITIONAL DETAILS...Full forecast information- https://tidesandcurrents.noaa.gov/hab/gomx.html. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. Remain out of the water to avoid hazardous swimming conditions. && $$ FLZ050-151-155-160-162-170300- /O.NEW.KTBW.SU.Y.0002.210116T1500Z-210117T0300Z/ /O.CON.KTBW.RP.S.0003.000000T0000Z-210118T0000Z/ Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota- Coastal Charlotte- 243 AM EST Sat Jan 16 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...HIGH SURF ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS EVENING... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Pinellas, Coastal Hillsborough, Coastal Manatee, Coastal Sarasota and Coastal Charlotte Counties. * WHEN...For the High Surf Advisory, from 10 AM this morning to 10 PM EST this evening. For the High Rip Current Risk, through Sunday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
1 follow-up statement
465 WHUS42 KTBW 170240 CFWTBW Coastal Hazard Message National Weather Service Tampa Bay Ruskin FL 940 PM EST Sat Jan 16 2021 FLZ165-180000- /O.EXP.KTBW.SU.Y.0002.000000T0000Z-210117T0300Z/ /O.EXP.KTBW.BH.S.0002.000000T0000Z-210117T0300Z/ /O.CON.KTBW.RP.S.0003.000000T0000Z-210118T0000Z/ Coastal Lee- 940 PM EST Sat Jan 16 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...HIGH SURF ADVISORY WILL EXPIRE AT 10 PM EST THIS EVENING... ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM EST THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Lee County. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ FLZ050-151-155-160-162-180000- /O.EXP.KTBW.SU.Y.0002.000000T0000Z-210117T0300Z/ /O.CON.KTBW.RP.S.0003.000000T0000Z-210118T0000Z/ Pinellas-Coastal Hillsborough-Coastal Manatee-Coastal Sarasota- Coastal Charlotte- 940 PM EST Sat Jan 16 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...HIGH SURF ADVISORY WILL EXPIRE AT 10 PM EST THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Manatee, Coastal Hillsborough, Coastal Sarasota, Pinellas and Coastal Charlotte Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 15, 8:58 PM EST | Rip Current Statement | TBW | Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota | 46 hr |
| Jan 16, 2:34 AM EST | Frost Advisory | TBW | Levy | 30 hr |
Nearby
High Surf Advisories in Florida, 2021Every high surf 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.