Alert archive / Alabama / Flash Flood Warnings in 2019

Flash Flood Warning 13, NWS Mobile, AL

June 25, 2019Baldwin County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 25, 2019, 5:23 PM CDT for Baldwin County, Alabama. It was in force for 112 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 25, 2019, 5:23 PM CDT (22:23 UTC)
Expired
Jun 25, 2019, 7:15 PM CDT
In force
112 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 46 km from the middle of the area, began a volume at 22:23 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.4 hours before the alert went out and 193 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 2019-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2348 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, Slidell Radar S, LA at 12:00Z on 2019-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
2348 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

165 
WGUS54 KMOB 252223
FFWMOB
ALC003-260015-
/O.NEW.KMOB.FF.W.0013.190625T2223Z-190626T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
523 PM CDT Tue Jun 25 2019

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Central Baldwin County in southwestern Alabama...

* Until 715 PM CDT.

* At 521 PM CDT, Doppler radar indicated thunderstorms producing a 
  small area of very heavy rain across areas along and near Highway 
  225 just west of Bay Minette. Three to four inches of rain have 
  already fallen in a small corridor near Highway 225. Flash 
  flooding is expected to begin shortly.

* Flash flooding will remain over mainly rural areas of central
  Baldwin County near Highway 225 just west of Bay Minette. .

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3092 8780 3087 8779 3086 8788 3091 8788

$$
1 follow-up statement
226 
WGUS74 KMOB 260005
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
705 PM CDT Tue Jun 25 2019

ALC003-260015-
/O.EXP.KMOB.FF.W.0013.000000T0000Z-190626T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin AL-
705 PM CDT Tue Jun 25 2019

...THE FLASH FLOOD WARNING FOR CENTRAL BALDWIN COUNTY WILL EXPIRE AT
715 PM CDT...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Therefore, the warning will be allowed to expire. 

LAT...LON 3092 8780 3087 8779 3086 8788 3091 8788

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 3:46 PM CDTSpecial Weather StatementMOBBaldwin44 min
Jun 25, 4:27 PM CDTSpecial Weather StatementMOBBaldwin33 min
Jun 25, 6:04 PM CDTSpecial Weather StatementMOBMobile41 min
Jun 25, 6:30 PM CDTSpecial Marine WarningMOB60 min

Nearby

Flash Flood Warnings in Alabama, 2019Every flash flood warning in 2019

Sources

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