Alert archive / Florida / Flood Watches in 2021
Flood Watch 1, NWS Melbourne, FL
NWS Melbourne, FL issued this flood watch at Jul 6, 2021, 2:43 AM EDT for 5 counties in Florida. It was in force for 37 hr.
The area
The counties it named.
The facts
- Issued
- Jul 6, 2021, 2:43 AM EDT (06:43 UTC)
- Expired
- Jul 7, 2021, 4:00 PM EDT
- In force
- 37 hr
- Issued by
- NWS Melbourne, FL
- Flood severity
- None
Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 06:47 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 00:00Z, 6.7 hours before the alert went out and 81 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
- 1896 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 816 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
861 WGUS62 KMLB 060643 FFAMLB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Melbourne FL 243 AM EDT Tue Jul 6 2021 .Tropical Storm Elsa is forecast to move near the western Florida coast today and cross the north Florida peninsula late tonight, leading to heavy rainfall in Lake, inland Volusia, Seminole and Orange counties. FLZ041-044>046-144-072000- /O.NEW.KMLB.FA.A.0001.210706T0643Z-210707T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inland Volusia-Northern Lake-Orange-Seminole-Southern Lake- Including the cities of Tavares, Oviedo, Sanford, Deland, Altamonte Springs, Groveland, Deltona, Union Park, Clermont, Mount Dora, Orlando, Maitland, Winter Springs, Apopka, Casselberry, Eustis, Winter Park, Debary, Mascotte, and Leesburg 243 AM EDT Tue Jul 6 2021 ...FLOOD WATCH IN EFFECT THROUGH WEDNESDAY AFTERNOON... The National Weather Service in Melbourne has issued a * Flood Watch for a portion of east central Florida, including the following areas, Inland Volusia, Northern Lake, Orange, Seminole and Southern Lake. * Through Wednesday afternoon. * Rainfall amounts of 2 to 4 inches with isolated amounts up to 6 inches will be possible today, tonight and Wednesday associated with Tropical Storm Elsa. Heavy rain will lead to minor flooding of low lying areas and sensitive river basins. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ JS
2 follow-up statements
750 WGUS62 KMLB 070814 FFAMLB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Melbourne FL 414 AM EDT Wed Jul 7 2021 FLZ053-071615- /O.EXA.KMLB.FA.A.0001.000000T0000Z-210707T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osceola- Including the cities of Kissimmee, Saint Cloud, and Celebration 414 AM EDT Wed Jul 7 2021 ...FLOOD WATCH IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... The National Weather Service in Melbourne has expanded the * Flood Watch to include a portion of east central Florida, including the following area, Osceola. * Until 4 PM EDT this afternoon. * Rainfall amounts of 2 to 4 inches with isolated amounts up to 6 inches will be possible through this afternoon, associated with Tropical Storm Elsa. Heavy rain will lead to minor flooding of low lying areas and sensitive river basins. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ FLZ041-044>046-144-071615- /O.CON.KMLB.FA.A.0001.000000T0000Z-210707T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inland Volusia-Northern Lake-Orange-Seminole-Southern Lake- Including the cities of Tavares, Oviedo, Sanford, Deland, Altamonte Springs, Groveland, Deltona, Union Park, Clermont, Mount Dora, Orlando, Maitland, Winter Springs, Apopka, Casselberry, Eustis, Winter Park, Debary, Mascotte, and Leesburg 414 AM EDT Wed Jul 7 2021 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... The Flood Watch continues for * A portion of east central Florida, including the following areas, Inland Volusia, Northern Lake, Orange, Seminole and Southern Lake. * Until 4 PM EDT this afternoon. * Rainfall amounts of 2 to 4 inches with isolated amounts up to 6 inches will be possible through this afternoon, associated with Tropical Storm Elsa. Heavy rain will lead to minor flooding of low lying areas and sensitive river basins. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$
891 WGUS62 KMLB 071357 FFAMLB Flood Watch National Weather Service Melbourne FL 957 AM EDT Wed Jul 7 2021 FLZ041-044>046-053-144-072000- /O.CON.KMLB.FA.A.0001.000000T0000Z-210707T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inland Volusia-Northern Lake-Orange-Seminole-Osceola-Southern Lake- Including the cities of Sanford, Mount Dora, Winter Springs, Tavares, Casselberry, Apopka, Kissimmee, Celebration, Altamonte Springs, Union Park, Clermont, Orlando, Maitland, Winter Park, Debary, Oviedo, Deland, Groveland, Deltona, Saint Cloud, Mascotte, Eustis, and Leesburg 957 AM EDT Wed Jul 7 2021 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... The Flood Watch continues for * A portion of east central Florida, including the following areas, Inland Volusia, Northern Lake, Orange, Osceola, Seminole and Southern Lake. * Until 4 PM EDT this afternoon. * Feeder bands from Tropical Storm Elsa extend from the center of the storm in northern Florida, south across much of the Florida peninsula. Additional heavy showers and thunderstorms are expected to develop along these feeder bands this afternoon and evening. Rainfall amounts of 1 to 2 inches are possible in areas underneath these bands, and could be up to 4 to 6 inches in isolated spots if multiple rounds of heavy rain occurs. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ KR
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 9:17 PM EDT | Special Marine Warning | MLB | 118 min | |
| Jul 6, 4:33 AM EDT | Beach Hazards Statement | MLB | Volusia | 39 hr |
| Jul 6, 1:46 PM EDT | Special Weather Statement | MLB | Lake | 44 min |
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.