Alert archive / Alabama / Flash Flood Warnings in 2013
Flash Flood Warning 8, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Feb 25, 2013, 9:48 PM CST for 4 counties in Alabama. It was in force for 6 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
- Feb 25, 2013, 9:48 PM CST (03:48 UTC)
- Expired
- Feb 26, 2013, 3:45 AM CST
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 62 km from the middle of the area, began a volume at 03:50 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 3.8 hours before the alert went out and 200 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
- 313 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 450 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 396 m²/s²
- 0-3 km storm-relative helicity
- 406 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.0
The text
As transmitted, in the capitals the NWS used until 2016.
552
WGUS54 KMOB 260348
FFWMOB
ALC003-025-097-129-260945-
/O.NEW.KMOB.FF.W.0008.130226T0348Z-130226T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
948 PM CST MON FEB 25 2013
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
SOUTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 345 AM CST
* AT 940 PM CST...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
AREA AND RADAR ESTIMATES SHOW 2 TO 3 INCHES OF RAINFALL HAS
OCCURRED IN THE PAST THREE HOURS. RAINFALL RATES OF ONE TO TWO
INCHES PER HOUR WILL BE POSSIBLE THROUGH MIDNIGHT. THIS WILL
LIKELY CAUSE FLASH FLOODING IN THE WARNED AREA.
* LOCATIONS IMPACTED INCLUDE...
MOWA CHOCTAW RESERVATION... MOVICO...
SEMMES... SATSUMA... SARALAND...
MOUNT VERNON... I65 AND US 45... I65 AND US 43...
I65 AND I165...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3069 8841 3104 8843 3138 8789 3137 8773
3134 8773 3134 8775 3136 8776 3131 8778
3130 8776 3130 8771 3126 8767 3124 8762
3115 8763 3094 8778 3070 8817
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 6:19 PM CST | Special Marine Warning | MOB | 86 min | |
| Feb 25, 6:54 PM CST | Areal Flood Warning | MOB | Baldwin, Escambia, Mobile | 6 hr |
| Feb 25, 7:48 PM CST | Flash Flood Warning | MOB | Mobile | 6 hr |
| Feb 25, 10:35 PM CST | Flash Flood Warning | MOB | Clarke, Monroe | 6 hr |
| Feb 25, 11:29 PM CST | Special Marine Warning | MOB | 91 min | |
| Feb 26, 5:36 AM CST | Small Craft Advisory | MOB | 24 hr | |
| Feb 26, 12:23 PM CST | River Flood Warning | MOB | Mobile | 8 hr |
| Feb 26, 5:49 PM CST | River Flood Warning | MOB | Baldwin | 9 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.