Alert archive / Alabama / Areal Flood Advisories in 2021
Areal Flood Advisory 228, NWS Mobile, AL
NWS Mobile, AL issued this areal flood advisory at Sep 18, 2021, 11:25 AM CDT for Conecuh County, Escambia County, Alabama. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 18, 2021, 11:25 AM CDT (16:25 UTC)
- Expired
- Sep 18, 2021, 2:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Escambia County, AL
The radar
The Mobile radar (KMOB), 129 km from the middle of the area, began a volume at 16:27 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
Birmingham, AL (KBMX), launched 12:00Z, 4.4 hours before the alert went out and 213 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
- 1167 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 453 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this areal flood advisory went out at Sep 18, 6:25 AM CDT, 5 hours earlier.
Area forecast discussion, Sep 18, 6:25 AM CDT, 5 hours before
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</html>The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 9:13 PM CDT | Areal Flood Advisory | MOB | Baldwin, Escambia | 3 hr |
| Sep 18, 7:54 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Sep 18, 10:46 AM CDT | Areal Flood Advisory | MOB | Clarke | 3 hr |
| Sep 18, 11:20 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Sep 18, 1:25 PM CDT | Areal Flood Advisory | MOB | Conecuh, Escambia | 3 hr |
| Sep 18, 2:02 PM CDT | Areal Flood Advisory | MOB | Washington | 3 hr |
| Sep 18, 2:28 PM CDT | Areal Flood Advisory | MOB | Clarke, Monroe, Washington | 6 hr |
| Sep 18, 3:15 PM CDT | Special Weather Statement | MOB | Clarke | 30 min |
| Sep 18, 4:15 PM CDT | Areal Flood Advisory | MOB | Choctaw | 3 hr |
| Sep 18, 4:23 PM CDT | Areal Flood Advisory | MOB | Crenshaw | 3 hr |
| Sep 18, 5:00 PM CDT | Areal Flood Advisory | MOB | Washington | 3 hr |
| Sep 18, 5:47 PM CDT | Areal Flood Advisory | MOB | Wilcox | 3 hr |
| Sep 18, 6:13 PM CDT | Areal Flood Advisory | MOB | Butler, Crenshaw | 3 hr |
| Sep 18, 6:37 PM CDT | Areal Flood Advisory | MOB | Covington | 3 hr |
| Sep 18, 3:04 PM CDT | Areal Flood Advisory | MOB | Greene, Perry, Wayne | 4 hr |
| Sep 18, 4:01 PM CDT | Flash Flood Warning | MOB | Greene, Perry | 6 hr |
Nearby
Areal Flood Advisories in Alabama, 2021Every areal flood advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.