Alert archive / Alabama / Flash Flood Warnings in 2011
Flash Flood Warning 5, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Jan 1, 2011, 6:46 AM CST for Jackson County, Marshall County, Alabama. It was in force for 5 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
- Jan 1, 2011, 6:46 AM CST (12:46 UTC)
- Expired
- Jan 1, 2011, 11:30 AM CST
- In force
- 5 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jackson County, AL, Marshall County, AL
The radar
The Northeast Alabama radar (KHTX), 41 km from the middle of the area, began a volume at 12:45 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
Birmingham, AL (KBMX), launched 12:00Z, 0.8 hours before the alert went out and 164 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
- 459 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 559 m²/s²
- 0-3 km storm-relative helicity
- 694 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
409
WGUS54 KHUN 011246
FFWHUN
ALC071-095-011545-
/O.NEW.KHUN.FF.W.0005.110101T1246Z-110101T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
646 AM CST SAT JAN 1 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JACKSON COUNTY IN NORTHEAST ALABAMA...
MARSHALL COUNTY IN NORTHEAST ALABAMA...
* UNTIL 945 AM CST
* AT 642 AM CST...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH
FLOODING DUE TO VERY HEAVY RAINFALL.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TRENTON...
RUSSELL CAVE NATIONAL MONUMENT...JERICHO...HYTOP HOLLYTREE...
WOODVILLE...SCOTTSBORO...PISGAH...PAINT ROCK...GUNTERSVILLE...
GRANT...DOUGLAS...BRIDGEPORT...BOAZ...ARAB AND ALBERTVILLE.
ADDITIONAL RAINFALL AMOUNTS UP TO ONE INCH WILL BE POSSIBLE THROUGH
945 AM.
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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. MOVE TO HIGHER GROUND.
&&
LAT...LON 3463 8578 3448 8606 3441 8613 3419 8611
3418 8619 3410 8631 3429 8646 3431 8658
3454 8655 3450 8653 3447 8647 3454 8631
3459 8629 3463 8635 3488 8634 3493 8632
3494 8624 3499 8631 3500 8561 3487 8558
$$
CA2 follow-up statements
873
WGUS54 KHUN 011538
FFWHUN
ALC071-095-011745-
/O.EXT.KHUN.FF.W.0005.000000T0000Z-110101T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
938 AM CST SAT JAN 1 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
JACKSON COUNTY IN NORTHEAST ALABAMA...
MARSHALL COUNTY IN NORTHEAST ALABAMA...
* UNTIL 1145 AM CST
* AT 930 AM CST...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH
FLOODING DUE TO VERY HEAVY RAINFALL IN ALBERTVILLE AND GUNTERSVILLE
IN MARSHALL COUNTY. VERY HEAVY RAINFALL WAS NOTED ON RADAR OVER MUCH
OF SOUTHERN JACKSON COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TRENTON...
RUSSELL CAVE NATIONAL MONUMENT...JERICHO...HYTOP HOLLYTREE...
WOODVILLE...SCOTTSBORO...PISGAH...PAINT ROCK...GUNTERSVILLE...
GRANT...DOUGLAS...BRIDGEPORT...BOAZ...ARAB AND ALBERTVILLE.
ADDITIONAL RAINFALL AMOUNTS BETWEEN ONE HALF AND ONE INCH ARE
POSSIBLE THROUGH 1145 AM.
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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. MOVE TO HIGHER GROUND.
&&
LAT...LON 3463 8578 3448 8606 3441 8613 3419 8611
3418 8619 3410 8631 3429 8646 3431 8658
3454 8655 3450 8653 3447 8647 3454 8631
3459 8629 3463 8635 3488 8634 3493 8632
3494 8624 3499 8631 3500 8561 3487 8558
$$
CA399
WGUS74 KHUN 011730
FFSHUN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1130 AM CST SAT JAN 1 2011
ALC071-095-011739-
/O.CAN.KHUN.FF.W.0005.000000T0000Z-110101T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1130 AM CST SAT JAN 1 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR JACKSON AND
MARSHALL COUNTIES...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE RAINFALL WAS
ENDING...AND THE FLASH FLOOD THREAT WAS DIMINISHING. SOME MINOR
FLOODING MAY CONTINUE...BUT THE SERIOUS THREAT OF FLOODING IS
ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN CANCELED.
HOWEVER...MINOR FLOODING OF LOW LYING AND FLOODPRONE AREAS IS
CURRENTLY ONGOING...DUE TO RECENT RAINFALL RUNOFF OF THESE STORMS.
STANDING WATER ON AREA HIGHWAYS MAY CAUSE HYDROPLANING...WITH A LOSS
OF VEHICLE CONTROL POSSIBLE.
REPORT FLOODING INCIDENTS TO YOUR LOCAL EMERGENCY MANAGEMENT
AGENCY...SO IT CAN BE RELAYED TO THE NATIONAL WEATHER SERVICE IN
HUNTSVILLE.
STAY TUNED TO NOAA WEATHER RADIO...OR TO YOUR FAVORITE LOCAL MEDIA
FOR THE LATEST WEATHER INFORMATION.
A FLOOD WATCH REMAINS IN EFFECT UNTIL NOON TODAY.
LAT...LON 3463 8578 3448 8606 3441 8613 3419 8611
3418 8619 3410 8631 3429 8646 3431 8658
3454 8655 3450 8653 3447 8647 3454 8631
3459 8629 3463 8635 3488 8634 3493 8632
3494 8624 3499 8631 3500 8561 3487 8558
$$
CAThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 11:54 PM CST | Flash Flood Warning | HUN | Colbert, Franklin, Lauderdale | 6 hr |
| Jan 1, 12:26 AM CST | Flash Flood Warning | HUN | Lawrence, Limestone, Madison, Morgan | 6 hr |
| Jan 1, 12:33 AM CST | Special Weather Statement | HUN | Franklin, Lawrence | 57 min |
| Jan 1, 1:21 AM CST | Special Weather Statement | HUN | Lawrence, Limestone, Morgan | 39 min |
| Jan 1, 2:00 AM CST | Special Weather Statement | HUN | Limestone, Madison, Morgan | 45 min |
| Jan 1, 2:43 AM CST | Special Weather Statement | HUN | Jackson, Madison | 62 min |
| Jan 1, 3:17 AM CST | Special Weather Statement | HUN | Cullman | 43 min |
| Jan 1, 3:45 AM CST | Flash Flood Warning | HUN | Cullman, Jackson, Marshall | 3 hr |
| Jan 1, 5:04 AM CST | Flash Flood Warning | HUN | DeKalb | 4 hr |
| Jan 1, 6:23 AM CST | Areal Flood Warning | HUN | Madison, Morgan | 64 days |
| Jan 1, 9:28 AM CST | Flash Flood Warning | HUN | DeKalb | 2 hr |
| Jan 1, 10:34 AM CST | Areal Flood Warning | HUN | Cullman, Lawrence, Limestone, Morgan | 6 hr |
| Jan 1, 11:00 AM CST | River Flood Warning | HUN | Madison | 21 hr |
| Jan 1, 11:03 AM CST | River Flood Warning | HUN | Lawrence | 8 hr |
| Jan 1, 11:28 AM CST | Areal Flood Warning | HUN | DeKalb, Jackson, Marshall | 6 hr |
Nearby
Flash Flood Warnings in Alabama, 2011Every flash flood warning in 2011
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.