Alert archive / Alabama / Flash Flood Warnings in 2015
Flash Flood Warning 5, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 17, 2015, 4:25 AM CDT for Choctaw County, Alabama. It was in force for 2 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
- Apr 17, 2015, 4:25 AM CDT (09:25 UTC)
- Expired
- Apr 17, 2015, 6:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 132 km from the middle of the area, began a volume at 09:24 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.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 9.4 hours before the alert went out and 176 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
- 3 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 1412 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
188 WGUS54 KMOB 170925 FFWMOB ALC023-171130- /O.NEW.KMOB.FF.W.0005.150417T0925Z-150417T1130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 425 AM CDT FRI APR 17 2015 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN CHOCTAW COUNTY IN SOUTHWESTERN ALABAMA... * UNTIL 630 AM CDT * AT 422 AM CDT...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED AREA AND RADAR ESTIMATES SHOW 5 TO 8 INCHES OF RAINFALL HAS OCCURRED OVER THE PAST 4 HOURS. THIS WILL LIKELY CAUSE FLASH FLOODING IN THE WARNED AREA. * LOCATIONS IMPACTED INCLUDE... SILAS... GILBERTOWN... TOXEY... SOUWILPA... HODGEWOOD... OKATUPPA... FLATWOOD... LOU... PLEASANT HILL... CHAPPELL HILL... CONTWELL... LUSK... PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN! BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 3198 8819 3172 8817 3170 8845 3197 8845 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 10:20 PM CDT | Flash Flood Warning | MOB | Choctaw | 6 hr |
| Apr 17, 6:52 AM CDT | Areal Flood Warning | MOB | Choctaw | 3 hr |
| Apr 17, 9:04 AM CDT | Areal Flood Warning | MOB | Choctaw, Clarke | 6 hr |
| Apr 17, 10:22 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 10 days |
| Apr 17, 10:22 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 10 days |
| Apr 17, 11:31 AM CDT | Rip Current Statement | MOB | 55 hr | |
| Apr 17, 12:12 PM CDT | Small Craft Advisory | MOB | 4 hr | |
| Apr 17, 1:15 PM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Apr 17, 6:48 PM CDT | Special Weather Statement | MOB | Washington | 42 min |
Nearby
Flash Flood Warnings in Alabama, 2015Every flash flood warning in 2015
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.