Alert archive / Florida / River Flood Warnings in 2021
River Flood Warning 41, NWS Jacksonville, FL
NWS Jacksonville, FL issued this river flood warning at Jul 26, 2021, 8:51 AM EDT for Baker County, Nassau County, Florida; Charlton County, Georgia. It took effect at Jul 26, 2021, 10:00 PM EDT. It was in force for 4 days.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2021, 8:51 AM EDT (12:51 UTC)
- In effect from
- Jul 26, 2021, 10:00 PM EDT
- Expired
- Jul 30, 2021, 9:08 PM EDT
- In force
- 4 days
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Baker County, FL, Nassau County, FL, Charlton County, GA
The radar
The Jacksonville radar (KJAX), 39 km from the middle of the area, began a volume at 12:52 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. Marys River near Macclenny (MACF1). The gauge peaked at 12.54 ft at Jul 29, 2021, 3:00 AM EDT.
- Action stage
- 10 ft
- Minor stage
- 12 ft
- Moderate stage
- 15 ft
- Major stage
- 19 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02231000, 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.
988
WGUS42 KJAX 261251
FLWJAX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Jacksonville FL
851 AM EDT Mon Jul 26 2021
...The National Weather Service in Jacksonville FL has issued a
Flood Warning for the following rivers in Georgia...Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
&&
FLC003-089-GAC049-271300-
/O.NEW.KJAX.FL.W.0041.210727T0200Z-000000T0000Z/
/MACF1.1.ER.210727T0200Z.210728T1200Z.000000T0000Z.NO/
851 AM EDT Mon Jul 26 2021
The National Weather Service in Jacksonville has issued a
* Flood Warning for
the St Mary's River At Macclenny.
* From this evening until further notice.
* At 7:45 AM EDT Monday the stage was 11.7 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this evening and continue rising to a crest of 12.9 feet Wednesday
morning.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
CHANEY8 follow-up statements
070
WGUS82 KJAX 270138
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
938 PM EDT Mon Jul 26 2021
...The Flood Warning continues for the following rivers in Georgia...
Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
The next statement will be issued Tuesday evening at 945 PM EDT.
&&
FLC003-089-GAC049-280145-
/O.CON.KJAX.FL.W.0041.210727T0200Z-000000T0000Z/
/MACF1.1.ER.210727T2242Z.210728T1800Z.000000T0000Z.NO/
938 PM EDT Mon Jul 26 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the St Mary's River At Macclenny.
* From this evening until further notice.
* At 8:45 PM EDT Monday the stage was 11.3 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow evening and continue rising to a crest of 13.0 feet early
Wednesday afternoon.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
* Impact...At 15.0 feet, Flooding begins to impact the lower end of
Steel Bridge Road on the Florida side and cuts off access to the
river gage as well as access to several homes.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
KB078
WGUS82 KJAX 280131
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
931 PM EDT Tue Jul 27 2021
...The Flood Warning is extended for the following rivers in
Georgia...Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
The next statement will be issued Wednesday evening at 945 PM EDT.
&&
FLC003-089-GAC049-290145-
/O.EXT.KJAX.FL.W.0041.000000T0000Z-000000T0000Z/
/MACF1.1.ER.210728T0712Z.210729T1800Z.000000T0000Z.NO/
931 PM EDT Tue Jul 27 2021
...The Flood Warning is now in effect until further notice...
The Flood Warning continues for
the St Mary's River At Macclenny.
* Until further notice.
* At 8:45 PM EDT Tuesday the stage was 11.2 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight and continue rising to a crest of 13.3 feet early Thursday
afternoon.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
* Impact...At 15.0 feet, Flooding begins to impact the lower end of
Steel Bridge Road on the Florida side and cuts off access to the
river gage as well as access to several homes.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
DD641
WGUS82 KJAX 281327 RRA
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
927 AM EDT Wed Jul 28 2021
...The Flood Warning is extended for the following rivers in
Georgia...Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
The next statement will be issued Thursday morning at 930 AM EDT.
&&
FLC003-089-GAC049-291330-
/O.EXT.KJAX.FL.W.0041.000000T0000Z-000000T0000Z/
/MACF1.1.ER.210728T1245Z.210730T0000Z.000000T0000Z.NO/
927 AM EDT Wed Jul 28 2021
...The Flood Warning is now in effect until further notice...
The Flood Warning continues for
the St Mary's River At Macclenny.
* Until further notice.
* At 8:45 AM EDT Wednesday the stage was 12.0 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 13.1 feet
tomorrow evening.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
* Impact...At 15.0 feet, Flooding begins to impact the lower end of
Steel Bridge Road on the Florida side and cuts off access to the
river gage as well as access to several homes.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
CORLESS787
WGUS82 KJAX 290112 RRA
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
912 PM EDT Wed Jul 28 2021
...The Flood Warning continues for the following rivers in Georgia...
Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
The next statement will be issued Thursday evening at 915 PM EDT.
&&
FLC003-089-GAC049-300115-
/O.EXT.KJAX.FL.W.0041.000000T0000Z-210801T0000Z/
/MACF1.1.ER.210728T1245Z.210729T1800Z.210731T1800Z.NO/
912 PM EDT Wed Jul 28 2021
...The Flood Warning is now in effect until Saturday evening...
The Flood Warning continues for
the St Mary's River At Macclenny.
* Until Saturday evening.
* At 8:45 PM EDT Wednesday the stage was 12.5 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 12.7 feet
early tomorrow afternoon. It will then fall below flood stage
early Saturday afternoon.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
DD494
WGUS82 KJAX 291357
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
957 AM EDT Thu Jul 29 2021
...The Flood Warning continues for the following rivers in Georgia...
Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
The next statement will be issued Friday morning at 1000 AM EDT.
&&
FLC003-089-GAC049-301400-
/O.EXT.KJAX.FL.W.0041.000000T0000Z-210731T1500Z/
/MACF1.1.ER.210728T1245Z.210729T1800Z.210731T0900Z.NO/
957 AM EDT Thu Jul 29 2021
...The Flood Warning is now in effect until late Saturday morning...
The Flood Warning continues for
the St Mary's River At Macclenny.
* Until late Saturday morning.
* At 8:45 AM EDT Thursday the stage was 12.5 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 12.6 feet
this afternoon. It will then fall below flood stage early Saturday
morning.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
CORLESS851
WGUS82 KJAX 300120
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
920 PM EDT Thu Jul 29 2021
...The Flood Warning is extended for the following rivers in
Georgia...Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
&&
FLC003-089-GAC049-310130-
/O.EXT.KJAX.FL.W.0041.000000T0000Z-210731T1800Z/
/MACF1.1.ER.210728T1245Z.210729T1200Z.210731T1200Z.NO/
920 PM EDT Thu Jul 29 2021
...The Flood Warning is now in effect until early Saturday
afternoon...
The Flood Warning continues for
the St Mary's River At Macclenny.
* Until early Saturday afternoon.
* At 8:45 PM EDT Thursday the stage was 12.4 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage
Saturday morning and continue falling to 11.4 feet Sunday evening.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
* Impact...At 14.0 feet, Flooding of bottomlands along the river and
some lower access roads inlcuding the lower half of St. Mary's
River Bluff Road which cuts off 15 to 20 homes on the Georgia side.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
CHANEY762
WGUS82 KJAX 301327
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
927 AM EDT Fri Jul 30 2021
...The Flood Warning is cancelled for the following rivers in
Florida...
Santa Fe River Near Worthington Springs affecting Alachua and
Union Counties.
...The Flood Warning continues for the following rivers in Florida...
Georgia...
Santa Fe River Near O'Leno State Park affecting Alachua and
Columbia Counties.
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
Santa Fe River At Three Rivers Estates affecting Gilchrist,
Columbia and Suwannee Counties.
Santa Fe River At Fort White affecting Gilchrist and Columbia
Counties.
Additional information is available at
https://water.weather.gov/ahps2/forecasts.php?wfo=jax.
&&
FLC001-125-301430-
/O.CAN.KJAX.FL.W.0043.210801T0600Z-210730T1327Z/
/WORF1.1.ER.210801T0600Z.210801T1800Z.210803T0600Z.NO/
927 AM EDT Fri Jul 30 2021
...The Flood Warning for the Santa Fe River Near Worthington Springs
has been cancelled...
The Flood Warning is cancelled for
the Santa Fe River Near Worthington Springs.
* At 9:15 AM EDT Friday the stage was 57.8 feet.
* Flood stage is 59.0 feet.
* Forecast...The river is expected to rise to a crest of 58.5 feet
Sunday evening.
&&
LAT...LON 2995 8253 2996 8251 2993 8242 2992 8242
2992 8247 2993 8253
$$
FLC001-023-311330-
/O.EXT.KJAX.FL.W.0042.000000T0000Z-210806T0000Z/
/OLPF1.1.ER.210731T1200Z.210802T1200Z.210805T1800Z.NO/
927 AM EDT Fri Jul 30 2021
...The Flood Warning is now in effect until Thursday evening...
The Flood Warning continues for
the Santa Fe River Near O'Leno State Park.
* Until Thursday evening.
* At 8:15 AM EDT Friday the stage was 42.8 feet.
* Flood stage is 43.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow morning to a crest of 43.7 feet Monday morning. It will
then fall below flood stage early Thursday afternoon.
* Impact...At 43.0 feet, Access to river gage becomes limited as the
Bible Camp Road boat ramp becomes flooded and the last half mile
of Bible Camp Road begins to flood in Columbia County. Overland
flooding begins past the Santa Fe River sink in the park and will
cut-off access road to south end of the park.
&&
LAT...LON 2988 8261 2994 8259 2995 8253 2993 8253
2991 8256 2987 8257
$$
FLC003-089-GAC049-310600-
/O.EXT.KJAX.FL.W.0041.000000T0000Z-210731T0600Z/
/MACF1.1.ER.210728T1245Z.210729T1200Z.210731T0000Z.NO/
927 AM EDT Fri Jul 30 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the St Mary's River At Macclenny.
* Until just after midnight tonight.
* At 8:45 AM EDT Friday the stage was 12.1 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 10.7 feet Monday morning.
* Impact...At 12.0 feet, Minor flooding of low lying areas and
timber lands including some properties along St. Mary's River
Bluff Road and the Cypress Landing Resort on the Georgia side.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
FLC023-041-121-311330-
/O.CON.KJAX.FL.W.0036.000000T0000Z-000000T0000Z/
/TREF1.1.ER.210710T1851Z.210714T0900Z.000000T0000Z.NO/
927 AM EDT Fri Jul 30 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Santa Fe River At Three Rivers Estates.
* Until further notice.
* At 7:00 AM EDT Friday the stage was 18.1 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 18.6 feet
Tuesday evening.
* Impact...At 18.8 feet, Florida Fish and Wildlife Commission
expands the no wake zone restriction further upstream on the Santa
Fe River from the unnamed island 1.5 miles downstream on the
Wilson's Spring Boat Ramp to one-half mile upstream of the State
Road 47 bridge.
&&
LAT...LON 2990 8278 2992 8280 2990 8283 2993 8283
2996 8279 2993 8276
$$
FLC023-041-311330-
/O.CON.KJAX.FL.W.0030.000000T0000Z-000000T0000Z/
/FWHF1.2.ER.210629T0900Z.210712T1245Z.000000T0000Z.NO/
927 AM EDT Fri Jul 30 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Santa Fe River At Fort White.
* Until further notice.
* At 8:45 AM EDT Friday the stage was 23.3 feet.
* Flood stage is 23.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 23.7 feet
early Tuesday morning.
* Impact...At 23.3 feet, Florida Fish and Wildlife Commission begins
enforcement of a no wake zone on the Santa Fe River from the
centerline of the US 27 Bridge downstream to one-half mile
upstream from the State Road 47 Bridge.
&&
LAT...LON 2993 8276 2985 8268 2984 8266 2982 8266
2982 8271 2990 8279
$$
NGUYEN665
WGUS82 KJAX 310108
FLSJAX
Flood Statement
National Weather Service Jacksonville FL
908 PM EDT Fri Jul 30 2021
...The Flood Warning is cancelled for the following rivers in
Georgia...Florida...
St Mary's River At Macclenny affecting Nassau, Baker and Charlton
Counties.
FLC003-089-GAC049-310215-
/O.CAN.KJAX.FL.W.0041.000000T0000Z-210731T0108Z/
/MACF1.1.ER.210728T1245Z.210729T1200Z.210731T0000Z.NO/
908 PM EDT Fri Jul 30 2021
...The Flood Warning for the St Mary's River At Macclenny has been
cancelled...
The Flood Warning is cancelled for
the St Mary's River At Macclenny.
* At 8:45 PM EDT Friday the stage was 11.9 feet.
* Flood stage is 12.0 feet.
* Forecast...The river is expected to fall to 10.6 feet Monday
evening.
&&
LAT...LON 3041 8221 3038 8207 3062 8204 3062 8198
3034 8203 3035 8220
$$
KBThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:54 AM EDT | Special Weather Statement | JAX | Saint Johns | 51 min |
| Jul 26, 3:15 AM EDT | Areal Flood Warning | JAX | Saint Johns | 3 hr |
| Jul 26, 9:58 AM EDT | Areal Flood Warning | JAX | Saint Johns | 3 hr |
| Jul 26, 2:08 PM EDT | Special Weather Statement | JAX | Duval | 52 min |
| Jul 26, 3:27 PM EDT | Special Weather Statement | JAX | Saint Johns | 63 min |
| Jul 26, 3:37 PM EDT | Special Weather Statement | JAX | Clay | 53 min |
| Jul 26, 5:14 PM EDT | Special Weather Statement | JAX | Camden | 46 min |
Nearby
River Flood Warnings in Florida, 2021River Flood Warnings in Georgia, 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.