Alert archive / Alabama / Flash Flood Warnings in 2018
Flash Flood Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Sep 5, 2018, 10:25 AM CDT for Choctaw County, Clarke County, Alabama. It was in force for 5 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
- Sep 5, 2018, 10:25 AM CDT (15:25 UTC)
- Expired
- Sep 5, 2018, 3:43 PM CDT
- In force
- 5 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Choctaw County, AL, Clarke County, AL
The radar
The Mobile radar (KMOB), 161 km from the middle of the area, began a volume at 15:24 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 5, 3:05 PM CDT | FLASH FLOOD | 2 Sse Naheola, AL | WALLACE MCNEELY RD AND OLD LOCK 2 RD ARE IMPASSABLE DUE TO FLOODING. PICTURE VIA SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 3.4 hours before the alert went out and 165 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
- 303 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.1
The text
As transmitted.
968
WGUS54 KMOB 051525
FFWMOB
ALC023-025-052130-
/O.NEW.KMOB.FF.W.0028.180905T1525Z-180905T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
1025 AM CDT WED SEP 5 2018
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Central Choctaw County in southwestern Alabama...
Northwestern Clarke County in southwestern Alabama...
* Until 430 PM CDT Wednesday.
* At 1024 AM CDT, Doppler radar indicated heavy rain across the
warned area. Flash flooding is already occurring.
* Some locations that will experience flooding include...
Grove Hill, Coffeeville and Pennington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3231 8793 3228 8793 3230 8794 3230 8798
3228 8802 3218 8801 3215 8802 3214 8804
3211 8805 3209 8804 3206 8807 3207 8810
3206 8812 3201 8812 3199 8807 3199 8781
3168 8772 3170 8819 3231 8821
$$1 follow-up statement
951
WGUS74 KMOB 052043
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
343 PM CDT WED SEP 5 2018
ALC023-025-052051-
/O.CAN.KMOB.FF.W.0028.000000T0000Z-180905T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Choctaw AL-Clarke AL-
343 PM CDT WED SEP 5 2018
...THE FLASH FLOOD WARNING FOR CENTRAL CHOCTAW AND NORTHWESTERN
CLARKE COUNTIES IS CANCELLED...
The heavy rain has ended and flood waters are receding. Flooding is
no longer expected to pose a threat. Please continue to heed any
remaining road closures.
LAT...LON 3231 8793 3228 8793 3230 8794 3230 8798
3228 8802 3218 8801 3215 8802 3214 8804
3211 8805 3209 8804 3206 8807 3207 8810
3206 8812 3201 8812 3199 8807 3199 8781
3168 8772 3170 8819 3231 8821
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 8:24 PM CDT | Flash Flood Warning | MOB | Baldwin | 12 hr |
| Sep 4, 8:24 PM CDT | River Flood Warning | MOB | Baldwin | 40 hr |
| Sep 4, 8:31 PM CDT | River Flood Warning | MOB | Baldwin | 4 days |
| Sep 4, 8:32 PM CDT | River Flood Warning | MOB | Baldwin | 70 hr |
| Sep 4, 9:00 PM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Sep 4, 10:45 PM CDT | Flash Flood Warning | MOB | Baldwin, Escambia | 12 hr |
| Sep 5, 12:53 AM CDT | Tornado Warning | MOB | Baldwin | 25 min |
| Sep 5, 2:06 AM CDT | Flash Flood Warning | MOB | Clarke, Monroe, Washington | 6 hr |
| Sep 5, 3:19 AM CDT | Special Marine Warning | MOB | 26 min | |
| Sep 5, 3:32 AM CDT | Special Marine Warning | MOB | 28 min | |
| Sep 5, 4:30 AM CDT | Flash Flood Warning | MOB | Choctaw, Clarke | 6 hr |
| Sep 5, 4:57 AM CDT | Small Craft Advisory | MOB | 5 hr | |
| Sep 5, 5:15 AM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 9 hr |
| Sep 5, 5:15 AM CDT | High Surf Advisory | MOB | Baldwin, Mobile | 9 hr |
| Sep 5, 7:54 AM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Conecuh, Escambia, Mobile, Monroe and 1 more | 6 hr |
| Sep 5, 8:06 AM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Monroe, Washington | 6 hr |
| Sep 5, 9:06 AM CDT | Flash Flood Warning | MOB | Clarke, Conecuh, Monroe, Wilcox | 6 hr |
| Sep 5, 9:35 AM CDT | Special Marine Warning | MOB | 115 min | |
| Sep 5, 12:53 PM CDT | Areal Flood Advisory | MOB | Mobile | 52 min |
| Sep 5, 1:50 PM CDT | Areal Flood Warning | MOB | Baldwin, Escambia | 6 hr |
Nearby
Flash Flood Warnings in Alabama, 2018Every flash flood warning in 2018
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.