Alert archive / Alabama / Flash Flood Warnings in 2006

Flash Flood Warning 8, NWS Mobile, AL

November 15, 2006Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Nov 15, 2006, 9:57 AM CST for Mobile County, Alabama. It was in force for 3 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: Nov 15, 2006, 9:57 AM CST (15:57 UTC)
Expired: Nov 15, 2006, 1:00 PM CST
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Mobile County, AL

The radar

The Mobile radar (KMOB), 26 km from the middle of the area, began a volume at 15:59 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, 4.0 hours before the alert went out and 157 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 150 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 151606
FFWMOB
ALC097-151900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
957 AM CST WED NOV 15 2006

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  MOBILE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 100 PM CST

* AT 955 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
  TO INDICATED A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL
  OVER NORTHERN AND CENTRAL PORTIONS OF MOBILE COUNTY. THE HEAVIEST
  RAINFALL EXTENDED FROM NEAR BIG CREEK LAKE AND WILMER...TO GEORGETOWN
  AND CHUNCHULA...TO AROUND TURNERVILLE AND CHASTANG. THE STORMS
  PRODUCING THE FLASH FLOODING ARE MOVING ACROSS THE SAME AREAS THAT
  HAVE ALREADY RECEIVED UP TO 3 INCHES OF RAINFALL THIS MORNING. 
  ADDITIONAL HEAVY RAINS OF 2 TO 3 INCHES WILL BE POSSIBLE OVER THE
  SAME AREAS THROUGH 100 PM THIS AFTERNOON. MANY ROADWAYS WILL LIKELY
  BECOME FLOODED IF THEY ARE NOT ALREADY FLOODED. 

RESIDENTS LIVING IN FLOOD PRONE AREAS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. REMEMBER...IT ONLY
TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 3108 8840 3059 8839 3071 8806 3112 8802

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 8:58 PM CST	Coastal Flood Warning	MOB		24 hr
Nov 15, 2:42 AM CST	Wind Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	10 hr
Nov 15, 4:40 AM CST	Tornado Warning	MOB	Choctaw	50 min
Nov 15, 5:21 AM CST	Tornado Warning	MOB	Washington	54 min
Nov 15, 5:31 AM CST	Tornado Warning	MOB	Mobile	59 min
Nov 15, 5:54 AM CST	Tornado Warning	MOB	Clarke	36 min
Nov 15, 6:44 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Conecuh, Escambia, Monroe	61 min
Nov 15, 7:12 AM CST	Tornado Warning	MOB	Mobile	63 min
Nov 15, 7:46 AM CST	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	29 min
Nov 15, 8:38 AM CST	Tornado Warning	MOB	Baldwin	52 min
Nov 15, 10:18 AM CST	Tornado Warning	MOB	Baldwin	27 min
Nov 15, 10:48 AM CST	Flash Flood Warning	MOB	Baldwin, Escambia, Monroe	3 hr
Nov 15, 10:49 AM CST	Tornado Warning	MOB	Baldwin	26 min
Nov 15, 11:53 AM CST	Tornado Warning	MOB	Covington, Crenshaw	37 min
Nov 15, 11:58 AM CST	Tornado Warning	MOB	Conecuh, Covington, Escambia	32 min

Nearby

Flash Flood Warnings in Alabama, 2006 Every flash flood warning in 2006

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.