Alert archive / Florida / Flash Flood Warnings in 2022
Flash Flood Warning 2, NWS Melbourne, FL
NWS Melbourne, FL issued this flash flood warning at Sep 29, 2022, 12:16 AM EDT for Osceola County, Florida. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 29, 2022, 12:16 AM EDT (04:16 UTC)
- Expired
- Sep 29, 2022, 5:15 AM EDT
- In force
- 5 hr
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 69 km from the middle of the area, began a volume at 04:16 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
Miami, FL (KMFL), launched 00:00Z, 4.3 hours before the alert went out and 267 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
- 238 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 6.4
The text
As transmitted.
133
WGUS52 KMLB 290416
FFWMLB
FLC097-290715-
/O.NEW.KMLB.FF.W.0002.220929T0416Z-220929T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Melbourne FL
1216 AM EDT Thu Sep 29 2022
The National Weather Service in Melbourne has issued a
* Flash Flood Warning for...
Osceola County in east central Florida...
* Until 315 AM EDT.
* At 1216 AM EDT, Doppler radar indicated heavy rain across the
warned area. Between 6 and 8 inches of rain have fallen.
Additional rainfall amounts of 4 to 6 inches, with locally higher
amounts are expected in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Saint Cloud, Holopaw, Lake Kissimmee, Lake Marian, Narcoossee,
Kenansville, West Lake Toho, Poinciana, Harmony, Campbell, Forever
Florida, Alligator Lake and Pine Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 2825 8155 2833 8105 2796 8088 2766 8113
2782 8121 2784 8123 2786 8130 2792 8131
2794 8135 2794 8134 2800 8139 2800 8142
2806 8146 2806 8145 2801 8138 2808 8135
2809 8146 2814 8146 2814 8152 2820 8152
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CL2 follow-up statements
997
WGUS52 KMLB 290707
FFWMLB
FLC097-290915-
/O.EXT.KMLB.FF.W.0002.000000T0000Z-220929T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Melbourne FL
307 AM EDT Thu Sep 29 2022
The National Weather Service in Melbourne has extended the
* Flash Flood Warning for...
Osceola County in east central Florida...
* Until 515 AM EDT.
* At 307 AM EDT, Doppler radar and automated rain gauges indicated
heavy rain falling across the warned area. Between 7 and 10 inches
of rain have fallen. Additional rainfall amounts of 2 to 4 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Saint Cloud, Holopaw, Lake Kissimmee, Lake Marian, Narcoossee,
Kenansville, West Lake Toho, Poinciana, Harmony, Campbell, Forever
Florida, Alligator Lake and Pine Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 2825 8155 2833 8105 2796 8088 2766 8113
2782 8121 2784 8123 2786 8130 2792 8131
2794 8135 2794 8134 2800 8139 2800 8142
2806 8146 2806 8145 2801 8138 2808 8135
2809 8146 2814 8146 2814 8152 2820 8152
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
CL941
WGUS72 KMLB 290908
FFSMLB
Flash Flood Statement
National Weather Service Melbourne FL
508 AM EDT Thu Sep 29 2022
FLC097-290918-
/O.EXP.KMLB.FF.W.0002.000000T0000Z-220929T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osceola FL-
508 AM EDT Thu Sep 29 2022
...FLASH FLOOD WARNING WILL EXPIRE AT 515 AM EDT EARLY THIS MORNING
FOR OSCEOLA COUNTY...
The heavy rain threat has ended. Flash flooding is no longer
expected to occur, however deep standing water will remain. Please
continue to heed remaining road closures.
A Flood Warning remains in effect for Osceola County until 6 AM.
A Flood Watch remains in effect until 200 AM EDT Friday for a
portion of east central Florida.
LAT...LON 2825 8155 2833 8105 2796 8088 2766 8113
2782 8121 2784 8123 2786 8130 2792 8131
2794 8135 2794 8134 2800 8139 2800 8142
2806 8146 2806 8145 2801 8138 2808 8135
2809 8146 2814 8146 2814 8152 2820 8152
$$
JSThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 10:21 PM EDT | Tornado Warning | MLB | Volusia | 14 min |
| Sep 28, 11:16 PM EDT | River Flood Warning | MLB | Seminole | 61 days |
| Sep 28, 11:41 PM EDT | Areal Flood Warning | MLB | Brevard, Indian River, Lake, Okeechobee, Orange, Osceola and 2 more | 6 hr |
| Sep 28, 11:48 PM EDT | Flash Flood Warning | MLB | Orange, Osceola | 11 hr |
| Sep 29, 12:58 AM EDT | Flash Flood Warning | MLB | Brevard, Orange, Seminole, Volusia | 5 hr |
| Sep 29, 2:49 AM EDT | River Flood Warning | MLB | Seminole | 8 days |
| Sep 29, 2:59 AM EDT | River Flood Warning | MLB | Osceola | 11 days |
| Sep 29, 3:16 AM EDT | Flash Flood Warning | MLB | Orange, Seminole, Volusia | 8 hr |
| Sep 29, 3:24 AM EDT | Flash Flood Warning | MLB | Orange, Osceola, Seminole | 8 hr |
| Sep 29, 4:20 AM EDT | River Flood Warning | MLB | Lake, Volusia | 63 days |
| Sep 29, 4:50 AM EDT | Flash Flood Warning | MLB | Seminole | 4 hr |
| Sep 29, 5:30 AM EDT | Areal Flood Warning | MLB | Brevard, Lake, Orange, Osceola, Seminole, Volusia | 9 hr |
| Sep 29, 5:57 AM EDT | Flash Flood Warning | MLB | Volusia | 6 hr |
| Sep 29, 6:27 AM EDT | Flash Flood Warning | MLB | Brevard, Orange, Seminole, Volusia | 3 hr |
| Sep 29, 8:18 AM EDT | Flash Flood Warning | MLB | Lake, Orange, Seminole, Volusia | 4 hr |
| Sep 29, 8:43 AM EDT | Flash Flood Warning | MLB | Seminole | 3 hr |
| Sep 29, 8:52 AM EDT | Flash Flood Warning | MLB | Volusia | 3 hr |
| Sep 29, 10:45 AM EDT | River Flood Warning | MLB | Seminole | 65 days |
| Sep 29, 2:37 PM EDT | Areal Flood Warning | MLB | Brevard, Indian River, Lake, Orange, Osceola, Seminole and 1 more | 6 hr |
Nearby
Flash Flood Warnings in Florida, 2022Every flash flood warning in 2022
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.