Alert archive / Florida / Special Weather Statements in 2020
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jun 19, 2020, 5:11 PM EDT for Sumter County, Florida. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 19, 2020, 5:11 PM EDT (21:11 UTC)
- Expired
- Jun 19, 2020, 5:45 PM EDT
- In force
- 34 min
- Issued by
- NWS Melbourne, FL
County Sumter County, FL
The radar
The Tampa radar (KTBW), 109 km from the middle of the area, began a volume at 21:09 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.2 hours before the alert went out and 135 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
- 1820 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Melbourne, FL wrote its last area forecast discussion before this special weather statement went out at Jun 19, 3:30 PM EDT, 1 hour 41 minutes earlier.
Area forecast discussion, Jun 19, 3:30 PM EDT, 1 hour 41 minutes before
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</html>Hazardous weather outlook, Jun 19, 10:11 AM EDT, 7 hours before
Hazardous Weather Outlook...Updated National Weather Service Melbourne FL 1011 AM EDT Fri Jun 19 2020 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-200100- Flagler Beach to Volusia-Brevard County Line 0-20 nm-Volusia- Brevard County Line to Sebastian Inlet 0-20 nm- Sebastian Inlet to Jupiter Inlet 0-20 nm-Flagler Beach to Volusia- Brevard County Line 20-60 nm-Volusia- Brevard County Line to Sebastian Inlet 20-60 nm- Sebastian Inlet to Jupiter Inlet 20-60 nm-Inland Volusia- Northern Lake-Orange-Seminole-Southern Brevard-Osceola- Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia- Southern Lake-Northern Brevard- 1011 AM EDT Fri Jun 19 2020 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT. .THUNDERSTORM IMPACT... Numerous to widespread showers and lightning storms will develop by early this afternoon and continue into this evening due to a very moist air mass remaining across the area. Highest coverage will initially be closer to the coast before expanding inland during the afternoon hours. Today's threats with strongest storms will be frequent cloud to ground lightning, torrential downpours of 1 to 3 inches of rainfall, wind gusts up to 55 mph, and coin-size hail. Storm motion will be toward the east or northeast at around 10 mph. Move indoors to safety at the first sign of threatening skies, or if you hear thunder. .FLOOD IMPACT... Deep moisture and slow storm motion will bring the potential for showers and storms that persist over certain areas to produce 1 to 3 inches of rain in a 60 to 90 minute time period. Many areas across the interior as well as the Treasure Coast received between 1 and 3 inches of rain on Thursday, and additional heavy rain will increase the threat of localized flooding. A Flood Watch continues through this evening for Martin, Saint Lucie, and Indian River counties. .RIP CURRENT IMPACT... There will be a Moderate risk of rip currents at area beaches today. While rip currents will be present all day, the risk will be highest from 10 AM to 4 PM due to tidal effects. Always swim within sight of a lifeguard, and never swim alone. .MARINE THUNDERSTORM GUST IMPACT... Storm motion will take scattered to numerous showers and storms offshore this afternoon and evening. Storms that develop today will be capable of producing wind gusts in excess of 34 knots, small hail, and frequent lightning over the Atlantic waters, Intracoastal Waterway, and also across inland lakes. The highest threat will be south of a Leesburg to Sanford to Cape Canaveral line. Mariners should seek safe harbor when storms threaten. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. Afternoon showers and lightning storms are forecast each day with frequent lightning, torrential downpours, and gusty winds as the main hazards. For area beaches, a moderate risk of rip currents will continue into this weekend. .SPOTTER INFORMATION STATEMENT... Spotters are requested to monitor the weather and self activate if needed. Please report any rainfall amounts of 2 inches or more, or any flooding or roads or property to the National Weather Service in Melbourne. Continue to follow all local, state, and CDC guidelines. Combs/Sedlock
In the hours before
Special weather statement, Jun 19, 1:04 PM EDT, 4 hours 7 minutes before
Special Weather Statement National Weather Service Melbourne FL 104 PM EDT Fri Jun 19 2020 FLZ047-054-191745- Southern Brevard County FL-Indian River FL- 104 PM EDT Fri Jun 19 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN INDIAN RIVER AND SOUTHEASTERN BREVARD COUNTIES UNTIL 145 PM EDT... At 104 PM EDT, Doppler radar was tracking a strong thunderstorm near Blue Cypress Lake, moving east at 10 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Palm Bay, Sebastian, Fellsmere, Malabar and Roseland. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 2766 8087 2792 8087 2802 8049 2776 8036 TIME...MOT...LOC 1704Z 259DEG 9KT 2778 8076 15
Special weather statement, Jun 19, 1:09 PM EDT, 4 hours 2 minutes before
Special Weather Statement
National Weather Service Melbourne FL
109 PM EDT Fri Jun 19 2020
FLZ064-191745-
Martin FL-
109 PM EDT Fri Jun 19 2020
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MARTIN COUNTY UNTIL 145
PM EDT...
At 109 PM EDT, Doppler radar was tracking a strong thunderstorm near
Palm City, moving north at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Stuart, Palm City and Port Salerno.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2702 8020 2702 8039 2720 8041 2720 8028
2716 8020
TIME...MOT...LOC 1709Z 191DEG 10KT 2707 8029
15Special weather statement, Jun 19, 1:38 PM EDT, 3 hours 33 minutes before
Special Weather Statement National Weather Service Melbourne FL 138 PM EDT Fri Jun 19 2020 FLZ059-064-191830- St. Lucie FL-Martin FL- 138 PM EDT Fri Jun 19 2020 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL ST. LUCIE AND NORTHEASTERN MARTIN COUNTIES UNTIL 230 PM EDT... At 138 PM EDT, Doppler radar was tracking a strong thunderstorm near North River Shores, or near Palm City, moving north at 10 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Port Saint Lucie, Walton, Fort Pierce, Stuart and White City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 2712 8045 2749 8054 2749 8034 2718 8020 TIME...MOT...LOC 1738Z 186DEG 9KT 2719 8035 15
Special weather statement, Jun 19, 2:59 PM EDT, 2 hours 12 minutes before
Special Weather Statement
National Weather Service Melbourne FL
259 PM EDT Fri Jun 19 2020
FLZ147-191945-
Northern Brevard County FL-
259 PM EDT Fri Jun 19 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BREVARD COUNTY UNTIL 345
PM EDT...
At 259 PM EDT, Doppler radar was tracking a strong thunderstorm over
Merritt Island Wildlife Refuge, moving northeast at 5 to 10 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Titusville, Haulover Canal, Mims, Playalinda Beach and Scottsmoor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2854 8080 2856 8093 2857 8093 2858 8094
2879 8087 2879 8085 2880 8084 2879 8084
2879 8079 2881 8080 2882 8077 2881 8075
2882 8075 2883 8071 2860 8054 2856 8053
TIME...MOT...LOC 1859Z 226DEG 6KT 2864 8077
15Special weather statement, Jun 19, 4:55 PM EDT, 16 minutes before
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</html>Special weather statement, Jun 19, 5:11 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:23 PM EDT | Areal Flood Advisory | MLB | Lake | 82 min |
| Jun 19, 11:40 AM EDT | Special Weather Statement | MLB | Okeechobee | 50 min |
| Jun 19, 12:01 PM EDT | Areal Flood Advisory | MLB | Okeechobee | 89 min |
| Jun 19, 1:04 PM EDT | Special Weather Statement | MLB | Indian River | 41 min |
| Jun 19, 1:09 PM EDT | Special Weather Statement | MLB | Martin | 36 min |
| Jun 19, 1:38 PM EDT | Special Weather Statement | MLB | Saint Lucie | 52 min |
| Jun 19, 2:00 PM EDT | Special Marine Warning | MLB | 60 min | |
| Jun 19, 2:59 PM EDT | Special Weather Statement | MLB | Seminole | 46 min |
| Jun 19, 3:01 PM EDT | Special Marine Warning | MLB | 59 min | |
| Jun 19, 3:14 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 16 min |
| Jun 19, 4:55 PM EDT | Special Weather Statement | MLB | Volusia | 50 min |
Nearby
Special Weather Statements in Florida, 2020Every special weather statement in 2020
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.