Alert archive / Florida / River Flood Warnings in 2021

River Flood Warning 3, NWS Melbourne, FL

October 10, 2021Lake County, Volusia County, Florida

NWS Melbourne, FL issued this river flood warning at Oct 10, 2021, 1:27 PM EDT for Lake County, Volusia County, Florida. It was in force for 15 hr.

The area

The outline as issued.

The facts

Issued
Oct 10, 2021, 1:27 PM EDT (17:27 UTC)
Expired
Oct 11, 2021, 4:00 AM EDT
In force
15 hr
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Flood severity
Minor

Counties Lake County, FL, Volusia County, FL

The radar

The Jacksonville radar (KJAX), 145 km from the middle of the area, began a volume at 17:28 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 river

Written for the forecast point St. Johns River at Astor (ASTF1). The gauge peaked at 2.37 ft at Oct 12, 2021, 2:00 AM EDT.

actionminormoderatemajor123410/1010/1110/12
Action stage
2 ft
Minor stage
2.3 ft
Moderate stage
3 ft
Major stage
4 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02236125, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

624 
WGUS42 KMLB 101727
FLWMLB

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Melbourne FL
127 PM EDT Sun Oct 10 2021

...The National Weather Service in Melbourne FL has issued a Flood 
Warning for the following rivers in Florida...

  St Johns River Near Astor affecting Volusia and Lake Counties.

.River levels at the Saint Johns River at Astor reached Minor Flood 
Stage earlier this afternoon due to the northerly wind flow and high 
tide. It is forecast to drop below Minor Flood Stage this afternoon 
and remain just below Minor Flood Stage. However, the river could 
briefly rise to near Minor Flood Stage again late this evening with 
the next high tide.

For the St. Johns River...including Astor...Minor flooding is 
forecast.

Additional information is available at www.weather.gov.

&&


FLC069-127-110800-
/O.NEW.KMLB.FL.W.0003.211010T1727Z-211011T0800Z/
/ASTF1.1.WT.211010T1630Z.000000T0000Z.211010T1800Z.NO/
127 PM EDT Sun Oct 10 2021

The National Weather Service in Melbourne has issued a

* Flood Warning for
  the St Johns River Near Astor.
* From this afternoon to late tonight.
* At 12:30 PM EDT Sunday the stage was 2.3 feet.
* Flood stage is 2.3 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 12:30 PM EDT Sunday was 2.3 feet.
* Forecast...The river is expected to fall below flood stage this 
  afternoon. However, the river could briefly rise to near Minor 
  Flood Stage again late this evening with the next high tide.
* Impact...At 2.3 feet, Minor flooding of low lying streets and 
  yards north of Fox Road on Lake County side of Astor, and from 
  River Road northward on Volusia side of river.  Water begins to 
  cover docks at South Moon Fish Camp.
* Flood History...This crest compares to a previous crest of 2.6 
  feet on 10/14/1996.

&&


              Fld   Observed        Forecasts (2 pm)
Location      Stg   Stg   Day/Time  Mon   Tue   Wed   Thu   Fri

St Johns River
Astor         2.3   2.3   Sun 12 pm 2.1   2.1   2.0   2.0   2.0





&&

LAT...LON 2908 8150 2932 8169 2935 8157 2910 8142

$$

KN

Nearby

River Flood Warnings in Florida, 2021Every river flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.