Alert archive / Florida / Wind Advisories in 2020
Wind Advisory 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this wind advisory at Sep 21, 2020, 3:12 AM EDT for Pinellas County, Florida. It took effect at Sep 21, 2020, 10:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Sep 21, 2020, 3:12 AM EDT (07:12 UTC)
- In effect from
- Sep 21, 2020, 10:00 AM EDT
- Expired
- Sep 21, 2020, 10:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Tampa Bay, FL
County Pinellas County, FL
The radar
The Tampa radar (KTBW), 40 km from the middle of the area, began a volume at 07:11 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, 7.2 hours before the alert went out and 40 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
- 148 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -1.9
The text
As transmitted.
789 WWUS72 KTBW 210712 NPWTBW URGENT - WEATHER MESSAGE National Weather Service Tampa Bay Ruskin FL 312 AM EDT Mon Sep 21 2020 FLZ050-220200- /O.NEW.KTBW.WI.Y.0002.200921T1400Z-200922T0200Z/ Pinellas- Including the cities of St. Petersburg, Clearwater, and Largo 312 AM EDT Mon Sep 21 2020 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...Northeast winds around 20 mph increasing to around 30 mph with gusts up to 40 mph expected. * WHERE...Pinellas County. * WHEN...From 10 AM this morning to 10 PM EDT this evening. * IMPACTS...Hazardous travel across the Skyway Bridge, especially for high profile vehicles. Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The period of strongest winds will be late afternoon through early evening, especially across the southern half of the county. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ FLZ142-148-149-151-155-160-162-165-265-220200- /O.NEW.KTBW.LW.Y.0006.200921T1400Z-200922T0200Z/ Coastal Citrus-Coastal Hernando-Coastal Pasco- Coastal Hillsborough-Coastal Manatee-Coastal Sarasota- Coastal Charlotte-Coastal Lee-Inland Lee- Including the cities of Crystal River, Homosassa, Hernando Beach, Bayport, Port Richey, Hudson, Tampa, Apollo Beach, Westchase, Bradenton, Anna Maria Island, Venice, Sarasota, Englewood, Port Charlotte, Punta Gorda, Cape Coral, Captiva, Sanibel, Fort Myers, and Lehigh Acres 312 AM EDT Mon Sep 21 2020 ...LAKE WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...Northeast winds 20 to 25 mph with gusts up to 35 mph expected. * WHERE...Coastal Citrus, Coastal Hernando, Coastal Pasco, Coastal Hillsborough, Coastal Manatee, Coastal Sarasota, Coastal Charlotte, Coastal Lee and Inland Lee Counties. * WHEN...From 10 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ FLZ043-052-056-057-061-242-248-249-251-255-260-262-220000- /O.NEW.KTBW.LW.Y.0006.200921T1400Z-200922T0000Z/ Sumter-Polk-Hardee-Highlands-DeSoto-Inland Citrus-Inland Hernando- Inland Pasco-Inland Hillsborough-Inland Manatee-Inland Sarasota- Inland Charlotte- Including the cities of Wildwood, Lake Panasoffkee, Bushnell, The Villages, Lakeland, Winter Haven, Wauchula, Bowling Green, Zolfo Springs, Sebring, Avon Park, Placid Lakes, Arcadia, Inverness, Brooksville, Spring Hill, Dade City, Zephyrhills, Brandon, Plant City, Sun City Center, Parrish, Lakewood Ranch, Myakka City, North Port, and Babcock Ranch 312 AM EDT Mon Sep 21 2020 ...LAKE WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Northeast winds 15 to 25 mph with gusts around 30 mph expected. * WHERE...Portions of southwest and west central Florida. * WHEN...From 10 AM this morning to 8 PM EDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ For more information from the National Weather Service visit https://weather.gov/tampa
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:55 PM EDT | River Flood Warning | TBW | DeSoto | 21 days |
| Sep 21, 3:12 AM EDT | Lake Wind Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 7 more | 19 hr |
| Sep 21, 3:27 AM EDT | Gale Watch | TBW | 23 hr | |
| Sep 21, 3:27 AM EDT | Small Craft Advisory | TBW | 35 hr |
Nearby
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.