Alert archive / Florida / Flash Flood Warnings in 2021

Flash Flood Warning 32, NWS Mobile, AL

June 19, 2021Escambia County, Okaloosa County, Santa Rosa County, Florida; Escambia County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 19, 2021, 10:30 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; Escambia County, Alabama. It was in force for 5 hr. 2 reports 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
Jun 19, 2021, 10:30 AM CDT (15:30 UTC)
Expired
Jun 19, 2021, 3:10 PM CDT
In force
5 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Escambia County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 15:33 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
Jun 19, 10:38 AM CDTFLASH FLOODBrewton, ALSPOTTER REPORTS MANY ROADS IN TOWN ARE FLOODED AND CLOSED. SOME ROADS WITH SWIFT CURRENT BUT ONLY ~2INCHES SOME PLACES.
Jun 19, 12:27 PM CDTFLASH FLOOD2 Wnw Bagdad, FLUS-90 @ GLOVER LN IN MILTON, FL CLOSED DUE TO WATER OVER RADWAY.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.5 hours before the alert went out and 254 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, Slidell Radar S, LA at 12:00Z on 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 925 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.1939Sfc1 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
925 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

219 
WGUS54 KMOB 191530
FFWMOB
ALC053-FLC033-091-113-192130-
/O.NEW.KMOB.FF.W.0032.210619T1530Z-210619T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
1030 AM CDT Sat Jun 19 2021

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Western Escambia County in south central Alabama...
  Eastern Escambia County in northwestern Florida...
  Southwestern Okaloosa County in northwestern Florida...
  Santa Rosa County in northwestern Florida...

* Until 430 PM CDT.

* At 1030 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 3 and 5 inches of rain 
  have fallen. The expected rainfall rate is 2 to 3 inches in 1 
  hour. 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...
  Atmore, Pace, Milton, Brewton, Century, Flomaton, Bagdad, Navarre, 
  East Brewton, Jay, Pollard, Riverview, Point Baker, Roeville, Pea 
  Ridge, Floridatown, Bratt, I65 And AL 113, Navarre Beach and I65 
  And AL 21.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3112 8756 3126 8740 3112 8700 3076 8679
      3036 8668 3033 8705

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR

$$

Black
1 follow-up statement
623 
WGUS74 KMOB 192010
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
310 PM CDT Sat Jun 19 2021

ALC053-FLC033-091-113-192020-
/O.CAN.KMOB.FF.W.0032.000000T0000Z-210619T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Escambia AL-Escambia FL-Okaloosa FL-Santa Rosa FL-
310 PM CDT Sat Jun 19 2021

...FLASH FLOOD WARNING IS CANCELLED FOR WESTERN ESCAMBIA, EASTERN 
ESCAMBIA, SOUTHWESTERN OKALOOSA AND SANTA ROSA COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

A Flash Flood Watch remains in effect until 600 AM CDT Sunday for 
Portions of south central Alabama. Portions of northwest Florida.

LAT...LON 3112 8756 3126 8740 3112 8700 3076 8679
      3036 8668 3033 8705

$$

Black

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 12:05 AM CDTSpecial Weather StatementMOBSanta Rosa40 min
Jun 19, 6:24 AM CDTTornado WarningMOBEscambia22 min
Jun 19, 6:33 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Jun 19, 7:32 AM CDTAreal Flood AdvisoryMOBEscambia, Okaloosa, Santa Rosa4 hr
Jun 19, 7:33 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa28 min
Jun 19, 8:15 AM CDTTornado WarningMOBOkaloosa30 min
Jun 19, 8:18 AM CDTTornado WarningMOBEscambia, Santa Rosa31 min
Jun 19, 10:32 AM CDTSevere Thunderstorm WarningMOBSanta Rosa43 min
Jun 19, 11:15 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa45 min
Jun 19, 12:37 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Jun 19, 12:54 PM CDTSevere Thunderstorm WarningMOBOkaloosa36 min
Jun 19, 1:50 PM CDTFlash Flood WarningMOBOkaloosa2 hr
Jun 19, 3:54 PM CDTWind AdvisoryMOBEscambia, Okaloosa, Santa Rosa9 hr
Jun 19, 12:55 AM CDTSpecial Marine WarningMOB65 min
Jun 19, 12:57 AM CDTSpecial Marine WarningMOB18 min
Jun 19, 1:04 AM CDTSpecial Marine WarningMOB73 min
Jun 19, 1:55 AM CDTSpecial Marine WarningMOB65 min
Jun 19, 3:00 AM CDTSpecial Marine WarningMOB30 min
Jun 19, 3:07 AM CDTTornado WarningMOBMobile25 min
Jun 19, 4:34 AM CDTFlash Flood WarningMOBMobile6 hr
Jun 19, 4:48 AM CDTSpecial Marine WarningMOB117 min
Jun 19, 4:55 AM CDTSpecial Weather StatementMOBMobile95 min
Jun 19, 5:29 AM CDTSpecial Marine WarningMOB46 min
Jun 19, 5:49 AM CDTSpecial Marine WarningMOB26 min
Jun 19, 5:55 AM CDTTornado WarningMOBBaldwin34 min
Jun 19, 6:11 AM CDTSpecial Marine WarningMOB42 min
Jun 19, 6:16 AM CDTSpecial Marine WarningMOB38 min
Jun 19, 6:32 AM CDTSpecial Marine WarningMOB28 min
Jun 19, 6:42 AM CDTSpecial Marine WarningMOB81 min
Jun 19, 7:06 AM CDTSpecial Marine WarningMOB56 min
Jun 19, 7:23 AM CDTSpecial Weather StatementMOBButler, Conecuh, Covington, Crenshaw, Escambia52 min
Jun 19, 7:37 AM CDTTornado WarningMOBConecuh, Escambia53 min
Jun 19, 7:51 AM CDTTornado WarningMOBConecuh24 min
Jun 19, 8:09 AM CDTSpecial Marine WarningMOB96 min
Jun 19, 8:14 AM CDTTornado WarningMOBConecuh, Monroe, Wilcox46 min
Jun 19, 9:09 AM CDTTornado WarningMOBCovington13 min
Jun 19, 9:11 AM CDTTornado WarningMOBCovington, Crenshaw18 min
Jun 19, 9:27 AM CDTSpecial Marine WarningMOB2 hr
Jun 19, 10:00 AM CDTSpecial Marine WarningMOB60 min
Jun 19, 10:42 AM CDTSpecial Weather StatementMOBEscambia63 min
Jun 19, 11:52 AM CDTSpecial Marine WarningMOB113 min
Jun 19, 1:00 PM CDTTornado WarningMOBCovington30 min
Jun 19, 1:19 PM CDTTornado WarningMOBCovington12 min
Jun 19, 3:56 PM CDTSmall Craft AdvisoryMOB21 hr
Jun 19, 6:24 PM CDTSpecial Marine WarningMOB66 min

Nearby

Flash Flood Warnings in Florida, 2021Flash Flood Warnings in Alabama, 2021Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.