Alert archive / Florida / Flash Flood Warnings in 2024

Flash Flood Warning 2, NWS Mobile, AL

January 27, 2024Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Jan 27, 2024, 10:39 AM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 3 hr. 1 report 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
Jan 27, 2024, 10:39 AM CST (16:39 UTC)
Expired
Jan 27, 2024, 1:45 PM CST
In force
3 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 98 km from the middle of the area, began a volume at 16:42 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

TimeReportWhereRemark
Jan 27, 11:40 AM CSTFLASH FLOODMunson, FLSanta Rosa County Dispatch reports water covering the road at the intersection of Munson Hwy and Hwy 4.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.7 hours before the alert went out and 253 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.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2024-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 141 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2024-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
141 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

387 
WGUS54 KMOB 271639
FFWMOB
FLC091-113-271945-
/O.NEW.KMOB.FF.W.0002.240127T1639Z-240127T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
1039 AM CST Sat Jan 27 2024

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Northwestern Okaloosa County in northwestern Florida...
  Northern Santa Rosa County in northwestern Florida...

* Until 145 PM CST.

* At 1039 AM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  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...
  Milton, Baker, Roeville, Point Baker, Munson, Indian Ford, Kellys 
  Mill, Floridale, Harold, Holt, Berrydale, Allentown, Belandville, 
  Parkerville, McLellan, Rock Creek, Sellersville, Nubbin Ridge, 
  Cannon Town and Blackman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3100 8696 3099 8648 3058 8685 3063 8724

FLASH FLOOD...RADAR INDICATED

$$
2 follow-up statements
078 
WGUS74 KMOB 271749
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
1149 AM CST Sat Jan 27 2024

FLC091-113-271945-
/O.CON.KMOB.FF.W.0002.000000T0000Z-240127T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-Santa Rosa FL-
1149 AM CST Sat Jan 27 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM CST THIS 
AFTERNOON FOR NORTHWESTERN OKALOOSA AND NORTHERN SANTA ROSA 
COUNTIES...

At 1149 AM CST, Santa Rosa County 911 reported water covering the 
road at Munson Highway and Highway 4 in Munson. Between 3 and 5 
inches of rain have fallen in northeast Santa Rosa and northwest 
Okaloosa Counties. While the heaviest rain has moved east of the 
warned area, additional water rises and flash flooding remains 
possible.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

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...
  Baker, Roeville, Point Baker, Munson, Kellys Mill, Indian Ford, 
  Floridale, Holt, Belandville, Rock Creek, McLellan, Harold, 
  Berrydale, Sellersville, Nubbin Ridge, Cannon Town, Allentown, 
  Blackman, Escambia Farms and Good Hope.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3100 8696 3100 8693 3100 8690 3100 8687
      3100 8682 3099 8671 3099 8670 3099 8648
      3064 8679 3063 8681 3067 8721

FLASH FLOOD...OBSERVED

$$
991 
WGUS74 KMOB 271942
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
142 PM CST Sat Jan 27 2024

FLC091-113-271952-
/O.EXP.KMOB.FF.W.0002.000000T0000Z-240127T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-Santa Rosa FL-
142 PM CST Sat Jan 27 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 145 PM CST THIS AFTERNOON FOR 
NORTHWESTERN OKALOOSA AND NORTHERN SANTA ROSA COUNTIES...

The heavy rain has ended. Additional flash flooding is no longer 
expected. Please continue to heed any remaining road closures and 
remain cautious of water covering any roads.

LAT...LON 3100 8696 3100 8693 3100 8690 3100 8687
      3100 8682 3099 8671 3099 8670 3099 8648
      3064 8679 3063 8681 3067 8721

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 27, 8:04 AM CSTAreal Flood AdvisoryMOBEscambia116 min
Jan 27, 9:21 AM CSTAreal Flood AdvisoryMOBEscambia, Santa Rosa114 min
Jan 27, 10:18 AM CSTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa117 min
Jan 27, 11:16 AM CSTAreal Flood AdvisoryMOBOkaloosa119 min
Jan 27, 12:54 PM CSTSpecial Weather StatementMOBOkaloosa51 min
Jan 27, 1:59 PM CSTAreal Flood AdvisoryMOBOkaloosa2 hr

Nearby

Flash Flood Warnings in Florida, 2024Every flash flood warning in 2024

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.