Alert archive / Alabama / Flash Flood Warnings in 2017
Flash Flood Warning 20, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jun 6, 2017, 7:23 PM CDT for Clarke County, Washington County, Alabama. It was in force for 6 hr. 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 6, 2017, 7:23 PM CDT (00:23 UTC)
- Expired
- Jun 7, 2017, 1:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clarke County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 68 km from the middle of the area, began a volume at 00:25 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 00:00Z, 0.4 hours before the alert went out and 195 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.
- Mixed-layer CAPE
- 418 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 704 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
535
WGUS54 KMOB 070023
FFWMOB
ALC025-129-070615-
/O.NEW.KMOB.FF.W.0020.170607T0023Z-170607T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
723 PM CDT TUE JUN 6 2017
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southeastern Washington County in southwestern Alabama...
Southern Clarke County in southwestern Alabama...
* Until 115 AM CDT
* At 721 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
McIntosh.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 3133 8783 3128 8785 3121 8796 3117 8822
3122 8828 3129 8823 3132 8815
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 8:05 PM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Jun 6, 8:21 PM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Jun 6, 8:33 PM CDT | Special Marine Warning | MOB | 117 min | |
| Jun 6, 8:44 PM CDT | Flash Flood Warning | MOB | Baldwin, Escambia | 6 hr |
| Jun 6, 9:27 PM CDT | Special Marine Warning | MOB | 63 min | |
| Jun 7, 12:48 AM CDT | River Flood Warning | MOB | Baldwin | 24 hr |
| Jun 7, 1:08 AM CDT | Hydrologic Warning | MOB | Baldwin | 32 hr |
| Jun 7, 9:48 AM CDT | Small Craft Advisory | MOB | 5 hr | |
| Jun 7, 11:40 AM CDT | River Flood Warning | MOB | Baldwin | 21 hr |
Nearby
Flash Flood Warnings in Alabama, 2017Every flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.