Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 4, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Jan 17, 2012, 2:07 PM CST for Colbert County, Lauderdale County, Alabama. It was in force for 5 hr. 2 reports 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
- Jan 17, 2012, 2:07 PM CST (20:07 UTC)
- Expired
- Jan 17, 2012, 7:00 PM CST
- In force
- 5 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Colbert County, AL, Lauderdale County, AL
The radar
The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 20:08 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 |
|---|---|---|---|
| Jan 17, 3:15 PM CST | FLASH FLOOD | 1 Ne Rogersville, AL | NEELEY CREEK BRANCH IS OUT OF ITS BANKS AND FLOWING ACROSS COUNTY ROAD 26. |
| Jan 17, 6:45 PM CST | FLASH FLOOD | Rogersville, AL | TURNER LINDSEY ROAD WAS CLOSED DUE TO HIGH WATERS DUE TO FLASH FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.1 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 587 m²/s²
- 0-3 km storm-relative helicity
- 687 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
184
WGUS54 KHUN 172007
FFWHUN
ALC033-077-172300-
/O.NEW.KHUN.FF.W.0004.120117T2007Z-120117T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
207 PM CST TUE JAN 17 2012
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LAUDERDALE COUNTY IN NORTHWEST ALABAMA...
NORTHERN COLBERT COUNTY IN NORTHWEST ALABAMA...
* UNTIL 500 PM CST
* AT 203 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
MULTIPLE THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING ACROSS
LAUDERDALE COUNTY AND THE EXTREME NORTHERN HALF OF COLBERT COUNTY.
DOPPLER RADAR INDICATED AROUND 1 TO 2 INCHES OF RAINFALL HAVE
FALLEN THUS FAR...AND AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL IS
POSSIBLE THROUGH THE REMAINDER OF THE AFTERNOON PERIOD.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FLORENCE...UNDERWOOD-PETERSVILLE...KILLEN...LEXINGTON AND
ROGERSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3500 8722 3481 8723 3478 8728 3477 8727
3477 8731 3480 8735 3480 8743 3477 8743
3478 8811 3489 8811 3491 8815 3501 8818
$$4 follow-up statements
328
WGUS74 KHUN 172115
FFSHUN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
315 PM CST TUE JAN 17 2012
ALC033-077-172300-
/O.CON.KHUN.FF.W.0004.000000T0000Z-120117T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLBERT AL-LAUDERDALE AL-
315 PM CST TUE JAN 17 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR LAUDERDALE AND NORTHERN
COLBERT COUNTIES UNTIL 500 PM CST...
AT 312 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS WITH VERY HEAVY RAINFALL MAINLY ACROSS
EASTERN LAUDERDALE AND NORTHEASTERN COLBERT COUNTY. RAINFALL RATES
OF 1 TO 2 INCHES PER HOUR CONTINUE IN THIS AREA...IN ADDITION TO THE
1 TO 2 INCHES OF RAINFALL THAT HAVE ALREADY OCCURRED. RAINFALL IS
SUBSIDING WEST OF HIGHWAY 17...BUT RUNOFF WILL CONTINUE TO POSE A
FLASH FLOODING THREAT THROUGH 5 PM.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
FLORENCE...UNDERWOOD-PETERSVILLE...KILLEN...LEXINGTON AND
ROGERSVILLE. HIGHWAYS 72 AND 43...AND THE NATCHEZ TRACE PARKWAY ARE
ALSO INCLUDED IN THIS WARNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN HUNTSVILLE.
&&
LAT...LON 3500 8722 3481 8723 3478 8728 3477 8727
3477 8731 3480 8735 3480 8743 3477 8743
3478 8811 3489 8811 3491 8815 3501 8818
$$
BCC889
WGUS74 KHUN 172237
FFSHUN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
437 PM CST TUE JAN 17 2012
ALC033-077-172300-
/O.CON.KHUN.FF.W.0004.000000T0000Z-120117T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLBERT AL-LAUDERDALE AL-
437 PM CST TUE JAN 17 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR LAUDERDALE AND NORTHERN
COLBERT COUNTIES UNTIL 500 PM CST...
AT 436 PM CST...VERY HEAVY RAINFALL CONTINUED TO MOVE SOUTHEAST OUT
OF LAUDERDALE AND NORTHERN COLBERT COUNTIES. RAINFALL AMOUNTS WERE
ESTIMATED TO RANGE FROM TWO TO CLOSE TO TWO AND A HALF INCHES ACROSS
THE AREA.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CONTINUE TO CAUSE FLASH
FLOODING TO OCCUR UNTIL AROUND 5 PM. SOME LOCATIONS THAT WILL
CONTINUE TO EXPERIENCE RESIDUAL FLASH FLOODING
INCLUDE...FLORENCE...UNDERWOOD-PETERSVILLE...KILLEN...LEXINGTON AND
ROGERSVILLE.
LOCAL MEDIA HAVE REPORTED THAT THE NEELY BRANCH CREEK HAS REMAINED
OUT OF ITS BANKS AND HAS SPILLED OUT ONTO COUNTY ROAD 26...ABOUT A
HALF OF A MILE EAST OF LAUDERDALE COUNTY HIGH SCHOOL IN ROGERSVILLE
ALABAMA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN HUNTSVILLE.
&&
LAT...LON 3500 8722 3481 8723 3478 8728 3477 8727
3477 8731 3480 8735 3480 8743 3477 8743
3478 8811 3489 8811 3491 8815 3501 8818
$$
TT678
WGUS54 KHUN 172254
FFWHUN
ALC033-077-180100-
/O.EXT.KHUN.FF.W.0004.000000T0000Z-120118T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
454 PM CST TUE JAN 17 2012
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
LAUDERDALE COUNTY IN NORTHWEST ALABAMA...
NORTHERN COLBERT COUNTY IN NORTHWEST ALABAMA...
* UNTIL 700 PM CST
* AT 450 PM CST...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING ACROSS
LAUDERDALE AND COLBERT COUNTIES...ESPECIALLY IN THE EASTERN
PORTION OF LAUDERDALE COUNTY. NEELY BRANCH CREEK IS REPORTED TO BE
OUT OF ITS BANKS AND SPILLING ONTO COUNTY ROAD 26 IN ROGERSVILLE.
WHILE THE HEAVY RAINFALL HAS ENDED ACROSS NORTHWEST ALABAMA...
RUNOFF WILL CONTINUE TO CREATE A FLASH FLOODING HAZARD.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FLORENCE...
UNDERWOOD-PETERSVILLE...KILLEN...LEXINGTON AND ROGERSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3500 8722 3481 8723 3478 8728 3477 8727
3477 8731 3480 8735 3480 8743 3477 8743
3478 8811 3489 8811 3491 8815 3501 8818
$$
JMS/BCC749
WGUS74 KHUN 180056
FFSHUN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
656 PM CST TUE JAN 17 2012
ALC033-077-180109-
/O.EXP.KHUN.FF.W.0004.000000T0000Z-120118T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLBERT AL-LAUDERDALE AL-
656 PM CST TUE JAN 17 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR LAUDERDALE AND
NORTHERN COLBERT COUNTIES WILL BE ALLOWED TO EXPIRE AT 700 PM CST...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3500 8722 3481 8723 3478 8728 3477 8727
3477 8731 3480 8735 3480 8743 3477 8743
3478 8811 3489 8811 3491 8815 3501 8818
$$
TTThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 12:28 PM CST | Special Weather Statement | HUN | Lawrence | 62 min |
| Jan 17, 12:32 PM CST | Special Weather Statement | HUN | Colbert | 58 min |
| Jan 17, 12:47 PM CST | Special Weather Statement | HUN | Colbert, Lauderdale | 58 min |
| Jan 17, 1:22 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 38 min |
| Jan 17, 1:53 PM CST | Special Weather Statement | HUN | Lauderdale | 52 min |
| Jan 17, 2:26 PM CST | Flash Flood Warning | HUN | Limestone | 5 hr |
| Jan 17, 3:01 PM CST | Flash Flood Warning | HUN | Madison | 5 hr |
| Jan 17, 4:03 PM CST | Special Weather Statement | HUN | Morgan | 42 min |
Nearby
Flash Flood Warnings in Alabama, 2012Every flash flood warning in 2012
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.