Alert archive / Alabama / Flash Flood Warnings in 2013
Flash Flood Warning 35, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 20, 2013, 3:33 PM CDT for Clarke County, Alabama. It was in force for 117 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
- Jul 20, 2013, 3:33 PM CDT (20:33 UTC)
- Expired
- Jul 20, 2013, 5:30 PM CDT
- In force
- 117 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Clarke County, AL
The radar
The Mobile radar (KMOB), 140 km from the middle of the area, began a volume at 20:32 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, 8.6 hours before the alert went out and 171 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
- 1133 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 19 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.
414
WGUS54 KMOB 202033
FFWMOB
ALC025-202230-
/O.NEW.KMOB.FF.W.0035.130720T2033Z-130720T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
333 PM CDT SAT JUL 20 2013
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 530 PM CDT
* AT 328 PM CDT...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
AREA AND RADAR ESTIMATES SHOW 2 TO 3 INCHES OF RAINFALL HAS
OCCURRED OVER THE PAST HOUR. UP TO 5 INCHES HAS OCCURRED OVER THE
SAME GENERAL AREA DURING THE PAST 2 TO 3 HOURS. AND ADDITIONAL 2
INCHES OF RAINFALL IS POSSIBLE. THESE RAINFALL TOTALS WILL LIKELY
CAUSE FLASH FLOODING IN THE WARNED AREA.
* LOCATIONS IMPACTED INCLUDE...
THOMASVILLE... FULTON...
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!
&&
LAT...LON 3188 8767 3188 8763 3187 8762 3183 8762
3182 8760 3174 8760 3175 8783 3175 8795
3199 8789 3200 8767
$$1 follow-up statement
222
WGUS74 KMOB 202228
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
528 PM CDT SAT JUL 20 2013
ALC025-202238-
/O.EXP.KMOB.FF.W.0035.000000T0000Z-130720T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE AL-
528 PM CDT SAT JUL 20 2013
...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 530 PM CDT
FOR NORTH CENTRAL CLARKE COUNTY...
AT 528 PM CDT...THE HEAVY RAINFALL THAT PROMPTED THE WARNING FOR
NORTH CENTRAL CLARKE COUNTY HAS ENDED...THUS THE FLASH FLOOD WARNING
WILL BE ALLOWED TO EXPIRE AT 530 PM CDT. HOWEVER...PONDING OF WATER
MAY STILL BE ENCOUNTERED.
LAT...LON 3188 8767 3188 8763 3187 8762 3183 8762
3182 8760 3174 8760 3175 8783 3175 8795
3199 8789 3200 8767
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 4:59 AM CDT | Special Marine Warning | MOB | 31 min | |
| Jul 20, 5:12 AM CDT | Special Marine Warning | MOB | 33 min | |
| Jul 20, 11:59 AM CDT | Rip Current Statement | MOB | 9 hr | |
| Jul 20, 3:09 PM CDT | Areal Flood Advisory | MOB | Clarke | 2 hr |
| Jul 20, 4:43 PM CDT | Flash Flood Warning | MOB | Clarke | 6 hr |
Nearby
Flash Flood Warnings in Alabama, 2013Every flash flood warning in 2013
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.