Alert archive / Florida / River Flood Warnings in 2017

River Flood Warning 74, NWS Mobile, AL

August 30, 2017Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this river flood warning at Aug 30, 2017, 11:27 AM CDT for Okaloosa County, Santa Rosa County, Florida. It took effect at Aug 31, 2017, 1:00 AM CDT. It was in force for 63 hr.

The area

The outline as issued.

The facts

Issued
Aug 30, 2017, 11:27 AM CDT (16:27 UTC)
In effect from
Aug 31, 2017, 1:00 AM CDT
Expired
Sep 2, 2017, 3:34 PM CDT
In force
63 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
Minor

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 104 km from the middle of the area, began a volume at 16:29 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 Big Coldwater Creek near Milton (MLNF1). The gauge peaked at 8.18 ft at Sep 1, 2017, 5:00 AM CDT.

actionminormoderate5101508/3008/3109/0109/0209/03
Action stage
5 ft
Minor stage
10 ft
Moderate stage
15 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02370500, 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.

899 
WGUS44 KMOB 301627
FLWMOB
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING 
NATIONAL WEATHER SERVICE MOBILE, AL
1127 AM CDT Wed Aug 30 2017



...The National Weather Service in Mobile has issued a flood warning for the 
following river in Florida... 

  Big Coldwater Creek Near Milton affecting Okaloosa and Santa Rosa Counties.

.Heavy rainfall is forecast to occur over the next 24 hours. As a result...river
levels are forecast to rise and a flood warning is now in effect. It is 
emphasized that the following forecast is based on the expected rainfall during 
the next 24 hours. If less rainfall occurs...it may be necessary to revise this 
stage forecast downward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE... 
Stay tuned to developments by listening to NOAA Weather radio.

&&

FLC091-113-311627-
/O.NEW.KMOB.FL.W.0074.170831T0600Z-170902T2034Z/
/MLNF1.1.ER.170831T0600Z.170901T0600Z.170902T1434Z.NO/
1127 AM CDT Wed Aug 30 2017

The National Weather Service in Mobile has issued a 

* Flood Warning for 
  The Big Coldwater Creek Near Milton
* From late tonight until Saturday afternoon
* At 11 AM Wednesday the stage was...6.8 feet. 
* Minor flooding is forecast 
* Flood stage is 10 feet. 
* Forecast to rise above flood stage by after midnight and continue to rise 
  near 12.5 feet by early Friday morning. The river will fall below flood 
  stage by Saturday afternoon.
* At 10 feet...Flooding of lowlands and fish camps will occur as the creek
  rises above 10 feet.

&&

LAT...LON 3091 8696 3088 8694 3081 8700 3068 8696
 3068 8697 3080 8704                  

$$
1 follow-up statement
222 
WGUS84 KMOB 310206
FLSMOB
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MOBILE, AL
906 PM CDT Wed Aug 30 2017
 

...The flood warning continues for the following rivers in Alabama...Florida...
 
  Blackwater River Near Baker affecting Covington...Escambia...Okaloosa and Santa
  Rosa Counties. 

.Recent heavy rains have caused significant rises along the river. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE... 
Stay tuned to developments by listening to NOAA Weather radio.

&&

ALC039-053-FLC091-113-010206-
/O.EXT.KMOB.FL.W.0076.170831T2254Z-170902T0215Z/
/BAKF1.1.ER.170831T2254Z.170901T0600Z.170901T2015Z.UU/
906 PM CDT Wed Aug 30 2017

...Flood Warning extended until Friday evening...The Flood Warning continues for
  the Blackwater River Near Baker
* From tomorrow afternoon until Friday evening.
* At 8PM Wednesday the stage was 4 feet. 
* No flooding is occurring and Minor flooding is forecast. 
* Flood stage is 11 feet.
* Forecast to rise above flood stage by tomorrow afternoon and continue to rise 
  near 11.8 feet by early Friday morning. The river will fall below flood stage 
  by Friday evening.
* At 12 feet...Flooding of secondary roads and lowlands will begin to subside.

&&

LAT...LON 3099 8674 3099 8671 3075 8672 3068 8688
 3070 8690 3082 8675                  

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 8:03 PM CDTRiver Flood WarningMOBEscambia63 hr
Aug 29, 8:12 PM CDTRiver Flood WarningMOBOkaloosa3 days
Aug 30, 4:15 AM CDTWind AdvisoryMOBEscambia, Santa Rosa38 hr
Aug 30, 4:18 AM CDTSevere Thunderstorm WarningMOBEscambia42 min
Aug 30, 5:31 AM CDTAreal Flood AdvisoryMOBEscambia3 hr
Aug 30, 5:49 AM CDTSpecial Weather StatementMOBEscambia41 min
Aug 30, 6:35 AM CDTAreal Flood AdvisoryMOBEscambia3 hr
Aug 30, 6:36 AM CDTSpecial Weather StatementMOBSanta Rosa39 min
Aug 30, 6:59 AM CDTSpecial Weather StatementMOBEscambia46 min
Aug 30, 7:07 AM CDTFlash Flood WarningMOBEscambia3 hr
Aug 30, 7:07 AM CDTHigh Surf AdvisoryMOBEscambia, Okaloosa, Santa Rosa35 hr
Aug 30, 7:36 AM CDTSpecial Weather StatementMOBSanta Rosa39 min
Aug 30, 7:41 AM CDTFlash Flood WarningMOBEscambia3 hr
Aug 30, 7:54 AM CDTFlash Flood WarningMOBSanta Rosa3 hr
Aug 30, 8:30 AM CDTAreal Flood AdvisoryMOBEscambia3 hr
Aug 30, 9:55 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa3 hr
Aug 30, 10:08 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa112 min
Aug 30, 11:02 AM CDTAreal Flood AdvisoryMOBSanta Rosa3 hr
Aug 30, 12:52 PM CDTRiver Flood WarningMOBEscambia63 hr
Aug 30, 1:17 PM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa48 hr
Aug 30, 3:12 PM CDTSpecial Weather StatementMOBEscambia48 min
Aug 30, 4:11 PM CDTSpecial Weather StatementMOBEscambia49 min
Aug 30, 4:20 PM CDTTornado WarningMOBEscambia25 min

Nearby

River Flood Warnings in Florida, 2017Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.