Alert archive / Florida / Flood Watches in 2021
Flood Watch 2, NWS Melbourne, FL
NWS Melbourne, FL issued this flood watch at Aug 13, 2021, 9:17 AM EDT for Okeechobee County, Florida. It took effect at Aug 13, 2021, 9:36 PM EDT. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2021, 9:17 AM EDT (13:17 UTC)
- In effect from
- Aug 13, 2021, 9:36 PM EDT
- Expired
- Aug 14, 2021, 8:56 PM EDT
- In force
- 23 hr
- Issued by
- NWS Melbourne, FL
- Flood severity
- None
County Okeechobee County, FL
The radar
The Melbourne radar (KMLB), 84 km from the middle of the area, began a volume at 13:17 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, 1.3 hours before the alert went out and 126 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
- 1137 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1039 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
997 WGUS62 KMLB 131317 FFAMLB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Melbourne FL 917 AM EDT Fri Aug 13 2021 .Tropical Cyclone Fred will be moving west-northwest through the Florida Straits and towards the Keys on Saturday, lifting north to northwest over the far eastern Gulf of Mexico through Sunday. Heavy rainfall will occur on the eastern side of this system across Florida through the weekend, especially across Okeechobee county and the Treasure Coast. FLZ054-058-059-064-140900- /O.NEW.KMLB.FA.A.0002.210814T0900Z-210816T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Vero Beach, Jensen Beach, Sebastian, Port Saint Lucie, Port Salerno, Okeechobee, Fort Pierce, Fort Drum, Stuart, Basinger, and Hobe Sound 917 AM EDT Fri Aug 13 2021 ...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... The National Weather Service in Melbourne has issued a * Flood Watch for a portion of east central Florida, including the following areas, Indian River, Martin, Okeechobee and St. Lucie. * From late tonight through Sunday evening. * Rainfall totals of 4 to 6 inches with locally higher amounts will be possible Saturday through Sunday. Heavy rain will lead to localized flooding on area roadways and poor drainage areas. 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. && $$ Watson/Weitlich
3 follow-up statements
906 WGUS62 KMLB 140136 FFAMLB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Melbourne FL 936 PM EDT Fri Aug 13 2021 FLZ054-058-059-064-141500- /O.EXT.KMLB.FA.A.0002.210814T0136Z-210816T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Vero Beach, Jensen Beach, Sebastian, Port Saint Lucie, Port Salerno, Okeechobee, Fort Pierce, Fort Drum, Stuart, Basinger, and Hobe Sound 936 PM EDT Fri Aug 13 2021 ...FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY EVENING... The Flood Watch is now in effect for * A portion of east central Florida, including the following areas, Indian River, Martin, Okeechobee and St. Lucie. * Through Sunday evening. * Rainfall totals of 4 to 6 inches with locally higher amounts will be possible Saturday through Sunday. Heavy rain will lead to localized flooding on area roadways and poor drainage areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$
202 WGUS62 KMLB 141346 FFAMLB Flood Watch National Weather Service Melbourne FL 946 AM EDT Sat Aug 14 2021 .Tropical Cyclone Fred will be move northward into the eastern Gulf of Mexico today, moving toward the northern Gulf Coast Sunday into Monday. Heavy rainfall will occur on the eastern side of this system across Florida through the weekend, especially across the Treasure Coast and Okeechobee county. FLZ054-058-059-064-160000- /O.CON.KMLB.FA.A.0002.000000T0000Z-210816T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Vero Beach, Jensen Beach, Sebastian, Port Saint Lucie, Port Salerno, Okeechobee, Fort Pierce, Fort Drum, Stuart, Basinger, and Hobe Sound 946 AM EDT Sat Aug 14 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING... The Flood Watch continues for * A portion of east central Florida, including the following areas, Indian River, Martin, Okeechobee and St. Lucie. * Through Sunday evening. * Rainfall totals of 2 to 3 inches with locally higher amounts will be possible today through Sunday. Heavy rain will lead to localized flooding on area roadways and poor drainage areas. Locally heavy rainfall has already occurred over portions of the watch area and any additional rainfall will worsen any ongoing flood issues. 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. && $$ Watson
268 WGUS62 KMLB 150056 FFAMLB Flood Watch National Weather Service Melbourne FL 856 PM EDT Sat Aug 14 2021 FLZ054-058-059-064-150200- /O.CAN.KMLB.FA.A.0002.000000T0000Z-210816T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Vero Beach, Jensen Beach, Sebastian, Port Saint Lucie, Port Salerno, Okeechobee, Fort Pierce, Fort Drum, Stuart, Basinger, and Hobe Sound 856 PM EDT Sat Aug 14 2021 ...FLOOD WATCH IS CANCELLED... The Flood Watch for a portion of east central Florida, including the following areas, Indian River, Martin, Okeechobee and St. Lucie has been cancelled. The Flood Watch is cancelled. Flooding is no longer expected to pose a threat but showers and storms could still bring heavy downpours to the area tonight and into portions of Sunday. $$ JC
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:25 PM EDT | Special Marine Warning | MLB | 65 min | |
| Aug 13, 2:30 PM EDT | Small Craft Advisory | MLB | 11 hr | |
| Aug 13, 2:58 PM EDT | Special Marine Warning | MLB | 62 min | |
| Aug 13, 3:15 PM EDT | Special Weather Statement | MLB | Indian River | 45 min |
| Aug 13, 3:25 PM EDT | Special Marine Warning | MLB | 35 min | |
| Aug 13, 3:36 PM EDT | Special Marine Warning | MLB | 60 min | |
| Aug 13, 4:34 PM EDT | Special Weather Statement | MLB | Osceola | 41 min |
| Aug 13, 4:52 PM EDT | Special Marine Warning | MLB | 113 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.