Alert archive / Florida / Flood Watches in 2010

Flood Watch 1, NWS Melbourne, FL

September 28, 20104 counties in Florida

NWS Melbourne, FL issued this flood watch at Sep 28, 2010, 12:00 PM EDT for 4 counties in Florida. It took effect at Sep 28, 2010, 4:14 PM EDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Sep 28, 2010, 12:00 PM EDT (16:00 UTC)
In effect from: Sep 28, 2010, 4:14 PM EDT
Expired: Sep 29, 2010, 1:43 PM EDT
In force: 21 hr
Issued by: NWS Melbourne, FL
Flood severity: None

Counties Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL

The radar

The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 16:01 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, 4.0 hours before the alert went out and 72 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1286 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 859 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Sep 28, 10:00 AM EDT, 2 hours earlier.

Area forecast discussion, Sep 28, 10:00 AM EDT, 2 hours before

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Hazardous weather outlook, Sep 28, 5:55 AM EDT, 6 hours 5 minutes before

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The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 28, 11:36 AM EDT	Inland Tropical Storm Watch	MLB		18 hr
Sep 28, 11:36 AM EDT	Tropical Storm Watch	MLB		7 hr
Sep 28, 11:36 AM EDT	Tropical Storm Watch	MLB		18 hr
Sep 28, 1:11 PM EDT	Hurricane Local Statement	MLB	Okeechobee, Orange, Osceola, Seminole	23 hr
Sep 28, 2:40 PM EDT	Areal Flood Advisory	MLB	Brevard, Orange	110 min
Sep 28, 3:14 PM EDT	Areal Flood Advisory	MLB	Orange, Osceola	2 hr
Sep 28, 3:24 PM EDT	Special Weather Statement	MLB	Orange	51 min
Sep 28, 3:32 PM EDT	Areal Flood Advisory	MLB	Orange, Osceola, Seminole	118 min
Sep 28, 4:21 PM EDT	Special Weather Statement	MLB	Lake	39 min
Sep 28, 4:32 PM EDT	Areal Flood Advisory	MLB	Brevard	118 min
Sep 28, 4:43 PM EDT	Small Craft Advisory	MLB		30 hr
Sep 28, 5:12 PM EDT	Tornado Warning	MLB	Osceola	48 min
Sep 28, 5:31 PM EDT	Areal Flood Advisory	MLB	Orange, Osceola, Seminole	119 min
Sep 28, 6:29 PM EDT	Areal Flood Advisory	MLB	Brevard	3 hr
Sep 28, 6:31 PM EDT	Tropical Storm Warning	MLB		20 hr

Nearby

Flood Watches in Florida, 2010 Every flood watch in 2010

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.