Alert archive / Florida / Flash Flood Warnings in 2017
Flash Flood Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this flash flood warning at Sep 10, 2017, 9:58 PM EDT for 4 counties in Florida. It was in force for 107 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 10, 2017, 9:58 PM EDT (01:58 UTC)
- Expired
- Sep 10, 2017, 11:45 PM EDT
- In force
- 107 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brevard County, FL, Orange County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 40 km from the middle of the area, began a volume at 02:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 10, 10:48 PM EDT | FLASH FLOOD | Rockledge, FL | REPORTS OF FLOOD WATER UP TO MAILBOXES |
| Sep 10, 11:00 PM EDT | FLASH FLOOD | 1 E Port Saint John, FL | VIDEO RELAYED VIA SOCIAL MEDIA OF FLOODING AT US 1 AND FAY BLVD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 2.0 hours before the alert went out and 183 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
231
WGUS52 KMLB 110158
FFWMLB
FLC009-095-117-127-110345-
/O.NEW.KMLB.FF.W.0003.170911T0158Z-170911T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Melbourne FL
958 PM EDT SUN SEP 10 2017
The National Weather Service in Melbourne has issued a
* Flash Flood Warning for...
Seminole County in east central Florida...
Northern Brevard County in Florida...
Southeastern Orange County in east central Florida...
Southeastern Volusia County in east central Florida...
* Until 1145 PM EDT
* At 946 PM EDT, Doppler radar indicated a persistent heavy rain
band from Hurricane Irma moving through northern Brevard County
inland through Orange, Seminole and extreme southern Volusia
counties. Additional rainfall amounts up to 2 to 4 inches with
this rain band, combined with observed rainfall amounts up to 7 to
9 inches that have already fallen across this area today will lead
to flash flooding of area roadways and may lead to water entering
some homes in the warned area.
* Some locations that will experience flooding include...
Sanford, Titusville, Oviedo and Bithlo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay off roadways as strong tropical storm force conditions and
flooding are occurring. Be especially cautious at night when it is
harder to recognize the dangers of flooding.
&&
LAT...LON 2839 8056 2832 8057 2827 8057 2834 8086
2835 8086 2835 8091 2842 8124 2884 8133
2881 8069 2860 8054 2852 8051 2844 8051
$$
Weitlich1 follow-up statement
475
WGUS72 KMLB 110340
FFSMLB
Flash Flood Statement
National Weather Service Melbourne FL
1140 PM EDT SUN SEP 10 2017
FLC009-095-117-127-110346-
/O.EXP.KMLB.FF.W.0003.000000T0000Z-170911T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Seminole FL-Brevard FL-Orange FL-Volusia FL-
1140 PM EDT SUN SEP 10 2017
...THE FLASH FLOOD WARNING FOR SEMINOLE...NORTHERN BREVARD...
SOUTHEASTERN ORANGE AND SOUTHEASTERN VOLUSIA COUNTIES WILL EXPIRE AT
1145 PM EDT...
The heavy rain band from Hurricane Irma has shifted north of the
warned area. Additional rain will continue through late tonight
which will aggravate ongoing flooding issues. However significant
rises in rainfall amounts that could lead to additional flash
flooding across northern Brevard, Seminole, eastern Orange, and
extreme southern Volusia counties are not expected.
LAT...LON 2839 8056 2832 8057 2827 8057 2834 8086
2835 8086 2835 8091 2842 8124 2884 8133
2881 8069 2860 8054 2852 8051 2844 8051
$$
WeitlichThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 8:09 PM EDT | Special Weather Statement | MLB | Brevard, Indian River, Orange, Osceola | 51 min |
| Sep 10, 8:40 PM EDT | Tornado Warning | MLB | Brevard | 35 min |
| Sep 10, 8:51 PM EDT | Tornado Warning | MLB | Lake, Seminole, Volusia | 24 min |
| Sep 10, 9:01 PM EDT | Tornado Warning | MLB | Brevard | 14 min |
| Sep 10, 9:06 PM EDT | Special Weather Statement | MLB | Brevard, Lake, Orange, Seminole, Volusia | 54 min |
| Sep 10, 9:19 PM EDT | Tornado Warning | MLB | Volusia | 26 min |
| Sep 10, 9:34 PM EDT | Tornado Warning | MLB | Lake, Volusia | 26 min |
| Sep 10, 9:45 PM EDT | Tornado Warning | MLB | Brevard | 15 min |
| Sep 10, 10:10 PM EDT | River Flood Warning | MLB | Brevard | 53 days |
| Sep 10, 10:10 PM EDT | River Flood Warning | MLB | Lake, Volusia | 60 days |
| Sep 10, 10:21 PM EDT | Tornado Warning | MLB | Brevard, Orange | 24 min |
| Sep 10, 10:35 PM EDT | Tornado Warning | MLB | Volusia | 25 min |
| Sep 10, 10:51 PM EDT | Tornado Warning | MLB | Brevard, Volusia | 9 min |
| Sep 10, 11:27 PM EDT | Special Weather Statement | MLB | Lake | 33 min |
| Sep 11, 12:01 AM EDT | Special Weather Statement | MLB | Lake, Orange, Osceola | 89 min |
| Sep 11, 1:33 AM EDT | Special Weather Statement | MLB | Lake, Orange | 87 min |
| Sep 11, 3:00 AM EDT | Special Weather Statement | MLB | Lake | 90 min |
| Sep 11, 5:34 AM EDT | Tropical Storm Warning | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 10 hr |
| Sep 11, 11:21 AM EDT | Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 7 hr |
| Sep 11, 11:29 AM EDT | Coastal Flood Statement | MLB | Volusia | 17 hr |
| Sep 11, 3:59 PM EDT | Small Craft Advisory | MLB | 18 hr |
Nearby
Flash Flood Warnings in Florida, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.