Alert archive / Alabama / Flash Flood Warnings in 2008

Flash Flood Warning 13, NWS Mobile, AL

June 10, 2008Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 10, 2008, 1:40 PM CDT for Mobile County, Alabama. It was in force for 65 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
Jun 10, 2008, 1:40 PM CDT (18:40 UTC)
Expired
Jun 10, 2008, 2:45 PM CDT
In force
65 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

County Mobile County, AL

The radar

The Mobile radar (KMOB), 6 km from the middle of the area, began a volume at 18:43 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 12:00Z, 6.7 hours before the alert went out and 149 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2008-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1752 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2008-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1752 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KMOB 101840
FFWMOB
ALC097-101945-
/O.NEW.KMOB.FF.W.0013.080610T1840Z-080610T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
140 PM CDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 245 PM CDT

* AT 138 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNIVERSITY
  OF SOUTH ALABAMA...SPRING HILL COLLEGE...SNOW AND TANNER
  WILLIAMS...MOBILE INFIRMARY...MOBILE AIRPORT...LANGAN PARK...LADD
  STADIUM...I65 AND MOFFETT ROAD...I65 AND AIRPORT BLVD...I10 AND I65
  INTERSECTION...CRICHTON...MEDAL OF HONOR PARK...BROOKLEY FIELD
  AIRPORT...AIRPORT AND UNIVERSITY AND AIRPORT AND GOVERNMENT

ADDITIONAL RAINFALL AMOUNTS OF 2 TO THREE INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 3072 8829 3071 8805 3052 8809 3052 8832
TIME...MOT...LOC 1840Z 180DEG 0KT 3063 8819

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 1:36 PM CDTSevere Thunderstorm WarningMOBMobile39 min
Jun 10, 1:42 PM CDTSpecial Marine WarningMOB33 min
Jun 10, 2:39 PM CDTSevere Thunderstorm WarningMOBEscambia20 min
Jun 10, 2:54 PM CDTSevere Thunderstorm WarningMOBEscambia36 min
Jun 10, 4:17 PM CDTSevere Thunderstorm WarningMOBCovington28 min

Nearby

Flash Flood Warnings in Alabama, 2008Every flash flood warning in 2008

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.