Alert archive / Alabama / Flash Flood Warnings in 2013
Flash Flood Warning 42, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 28, 2013, 1:31 AM CDT for Mobile County, Alabama. It was in force for 3 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
- Jul 28, 2013, 1:31 AM CDT (06:31 UTC)
- Expired
- Jul 28, 2013, 4:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Mobile County, AL
The radar
The Mobile radar (KMOB), 36 km from the middle of the area, began a volume at 06:34 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 |
|---|---|---|---|
| Jul 28, 1:32 AM CDT | FLASH FLOOD | 1 S Bayou La Batre, AL | POLICE REPORT A FOOT OF WATER ON HWY 188 AND SUTTON. MAKING IT IMPASSIBLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 6.5 hours before the alert went out and 140 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
- 2389 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
687
WGUS54 KMOB 280631
FFWMOB
ALC097-280930-
/O.NEW.KMOB.FF.W.0042.130728T0631Z-130728T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
131 AM CDT SUN JUL 28 2013
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 430 AM CDT
* AT 125 AM CDT...VERY HEAVY RAINFALL WAS INDICATED OVER EXTREME
SOUTHERN MOBILE COUNTY. RADAR ESTIMATES SHOW 3 TO 4 INCHES
OF RAINFALL HAS OCCURRED OVER THE PAST HOUR AND ADDITIONAL HEAVY
RAINFALL WILL CONTINUE. BAYOU LA BATRE POLICE IS REPORTING FLOODING
ALONG STATE HIGHWAY 188 WITH SOME ROADS BECOMING IMPASSABLE.
ADDITIONAL FLASH FLOODING IS LIKELY.
* LOCATIONS IMPACTED INCLUDE...
CODEN... BAYOU LA BATRE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3032 8816 3031 8822 3032 8823 3032 8821
3035 8820 3037 8824 3032 8826 3033 8827
3037 8826 3038 8829 3036 8832 3039 8833
3038 8839 3039 8840 3045 8840 3048 8809
3037 8810 3031 8813
$$1 follow-up statement
598
WGUS74 KMOB 280817
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
317 AM CDT SUN JUL 28 2013
ALC097-280825-
/O.CAN.KMOB.FF.W.0042.000000T0000Z-130728T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOBILE AL-
317 AM CDT SUN JUL 28 2013
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN MOBILE
COUNTY...
AT 311 AM CDT...THE HEAVY RAINFALL THAT PROMPTED THE WARNING FOR
SOUTHWESTERN MOBILE COUNTY HAS ENDED...THUS THE FLASH FLOOD WARNING
HAS BEEN CANCELLED. HOWEVER...PONDING OF WATER MAY STILL BE
ENCOUNTERED.
LAT...LON 3032 8816 3031 8822 3032 8823 3032 8821
3035 8820 3037 8824 3032 8826 3033 8827
3037 8826 3038 8829 3036 8832 3039 8833
3038 8839 3039 8840 3045 8840 3048 8809
3037 8810 3031 8813
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 12:54 AM CDT | Areal Flood Advisory | MOB | Mobile | 111 min |
| Jul 28, 1:05 AM CDT | Special Marine Warning | MOB | 55 min | |
| Jul 28, 1:56 AM CDT | Special Marine Warning | MOB | 64 min | |
| Jul 28, 1:59 AM CDT | Special Marine Warning | MOB | 61 min | |
| Jul 28, 3:20 AM CDT | Areal Flood Advisory | MOB | Clarke | 115 min |
| Jul 28, 3:51 AM CDT | Special Marine Warning | MOB | 54 min | |
| Jul 28, 3:56 AM CDT | Areal Flood Advisory | MOB | Baldwin | 64 min |
| Jul 28, 7:37 AM CDT | Areal Flood Advisory | MOB | Baldwin | 113 min |
| Jul 28, 8:25 AM CDT | Special Marine Warning | MOB | 50 min | |
| Jul 28, 8:27 AM CDT | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Jul 28, 9:44 AM CDT | Special Marine Warning | MOB | 46 min | |
| Jul 28, 10:53 AM CDT | Special Marine Warning | MOB | 97 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.