Alert archive / Alabama / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS Huntsville, AL

July 10, 2013Jackson County, Alabama

NWS Huntsville, AL issued this flash flood warning at Jul 10, 2013, 9:26 PM CDT for Jackson County, Alabama. It was in force for 3 hr. 3 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
Jul 10, 2013, 9:26 PM CDT (02:26 UTC)
Expired
Jul 11, 2013, 12:30 AM CDT
In force
3 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

County Jackson County, AL

The radar

The Northeast Alabama radar (KHTX), 37 km from the middle of the area, began a volume at 02:27 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

TimeReportWhereRemark
Jul 11, 12:05 AM CDTFLASH FLOOD5 E Bridgeport, ALASPHALT WASHED AWAY ALONG COUNTY ROAD 267 NEAR BRYANT.
Jul 11, 12:09 AM CDTFLASH FLOOD4 Ese Bridgeport, ALWATER COVERING COUNTY ROAD 131 IN THE BRYANT COMMUNITY.
Jul 11, 12:09 AM CDTFLASH FLOOD6 Ese Bridgeport, ALBRIDGE WASHED AWAY AT THE INTERSECTION OF COUNTY ROADS 290 AND 291 IN THE BRYANT COMMUNITY.

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 00:00Z, 2.4 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2013-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1081 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, Nashville Metro, TN at 00:00Z on 2013-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 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
1081 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

491 
WGUS54 KHUN 110226
FFWHUN
ALC071-110530-
/O.NEW.KHUN.FF.W.0021.130711T0226Z-130711T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
926 PM CDT WED JUL 10 2013

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN JACKSON COUNTY IN NORTHEAST ALABAMA...

* UNTIL 1230 AM CDT
    
* AT 922 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
  HEAVY RAIN ACROSS NORTHEASTERN JACKSON COUNTY. UP TO THREE INCHES 
  OF RAIN HAVE ALREADY FALLEN.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BRIDGEPORT AND STEVENSON. 

ADDITIONAL RAINFALL AMOUNTS AROUND ONE TO TWO INCHES ARE POSSIBLE
IN NORTHEASTERN JACKSON COUNTY. IN PARTICULAR...THIS INCLUDES AREAS 
AROUND BRIDGEPORT AND THE RUSSELL CAVE NATIONAL MONUMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3485 8560 3484 8561 3483 8563 3481 8564
      3479 8564 3476 8566 3483 8607 3499 8595
      3499 8561 3486 8559

$$

KDW
2 follow-up statements
167 
WGUS74 KHUN 110426
FFSHUN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1126 PM CDT WED JUL 10 2013

ALC071-110530-
/O.CON.KHUN.FF.W.0021.000000T0000Z-130711T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON AL-
1126 PM CDT WED JUL 10 2013

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
NORTHEASTERN JACKSON COUNTY...

AT 1122 PM CDT...EMERGENCY MANAGEMENT REPORTED HEAVY RAIN DUE TO 
THUNDERSTORMS OVER NORTHEASTERN JACKSON COUNTY. UP TO FOUR INCHES OF 
RAIN HAVE ALREADY FALLEN...AND ADDITIONAL RAINFALL AMOUNTS UP TO TWO 
INCHES ARE POSSIBLE THROUGH 123O AM CDT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BRIDGEPORT AND STEVENSON. 

JACKSON COUNTY EMERGENCY MANAGEMENT OFFICIALS HAVE REPORTED NUMEROUS 
ROADWAYS FLOODED IN THE TOWN OF BRIDGEPORT IN NORTHEASTERN JACKSON 
COUNTY. EMERGENCY PERSONNEL IS ON THE SCENE...AND AT THIS TIME...NO 
WATER RESCUES ARE BEING REPORTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3485 8560 3484 8561 3483 8563 3481 8564
      3479 8564 3476 8566 3483 8607 3499 8595
      3499 8561 3486 8559

$$

12/CA
058 
WGUS74 KHUN 110519
FFSHUN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1219 AM CDT THU JUL 11 2013

ALC071-110527-
/O.CAN.KHUN.FF.W.0021.000000T0000Z-130711T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON AL-
1219 AM CDT THU JUL 11 2013

...THE FLASH FLOOD WARNING FOR NORTHEASTERN JACKSON COUNTY IS
CANCELLED...

THOUGH THE HEAVIEST OF RAIN HAS ENDED ACROSS NORTHEASTERN JACKSON 
COUNTY...FLOODING ISSUES ARE ONGOING IN BRIDGEPORT AND BRYANT 
ALABAMA. AN AREAL FLOOD WARNING HAS BEEN ISSUED TO COVER THIS THREAT 
THROUGH SUNRISE...SINCE THE HEAVIEST RAINFALL THREAT TO LIFE AND 
PROPERTY HAS ENDED.

PLEASE HEED ANY ROAD CLOSURES IN THE AREA. TURN AROUND...DONT DROWN!

LAT...LON 3485 8560 3484 8561 3483 8563 3481 8564
      3479 8564 3476 8566 3483 8607 3499 8595
      3499 8561 3486 8559

$$

12/CA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:10 PM CDTSevere Thunderstorm WarningHUNMadison35 min
Jul 10, 8:30 PM CDTSevere Thunderstorm WarningHUNJackson30 min
Jul 10, 8:44 PM CDTSevere Thunderstorm WarningHUNJackson, Madison46 min
Jul 10, 9:12 PM CDTSevere Thunderstorm WarningHUNJackson, Madison, Marshall33 min
Jul 10, 9:30 PM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson, Madison, Marshall30 min
Jul 10, 9:32 PM CDTSpecial Weather StatementHUNLauderdale43 min
Jul 10, 9:45 PM CDTSevere Thunderstorm WarningHUNLauderdale30 min
Jul 10, 9:58 PM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson, Marshall32 min
Jul 10, 10:01 PM CDTSevere Thunderstorm WarningHUNMadison29 min
Jul 10, 10:28 PM CDTSpecial Weather StatementHUNColbert, Lauderdale47 min
Jul 10, 10:28 PM CDTSevere Thunderstorm WarningHUNDeKalb32 min
Jul 10, 10:31 PM CDTSpecial Weather StatementHUNLimestone, Marshall44 min
Jul 10, 10:39 PM CDTSpecial Weather StatementHUNDeKalb36 min
Jul 10, 10:45 PM CDTTornado WarningHUNMarshall30 min
Jul 10, 10:49 PM CDTFlash Flood WarningHUNJackson, Limestone, Madison, Marshall, Morgan3 hr
Jul 10, 10:54 PM CDTFlash Flood WarningHUNColbert, Lauderdale3 hr
Jul 10, 11:06 PM CDTSpecial Weather StatementHUNColbert, Lauderdale39 min
Jul 10, 11:10 PM CDTSpecial Weather StatementHUNCullman, Morgan50 min
Jul 10, 11:11 PM CDTTornado WarningHUNDeKalb, Marshall49 min
Jul 10, 11:16 PM CDTSpecial Weather StatementHUNMarshall44 min
Jul 10, 11:49 PM CDTSpecial Weather StatementHUNLawrence41 min
Jul 11, 12:11 AM CDTSpecial Weather StatementHUNMorgan34 min
Jul 11, 12:16 AM CDTAreal Flood WarningHUNDeKalb, Jackson, Madison6 hr
Jul 11, 12:41 AM CDTFlash Flood WarningHUNCullman, Lawrence, Morgan3 hr
Jul 11, 1:42 AM CDTAreal Flood WarningHUNJackson, Limestone, Madison, Marshall, Morgan3 hr
Jul 11, 2:56 AM CDTSpecial Weather StatementHUNFranklin49 min
Jul 11, 3:25 AM CDTAreal Flood WarningHUNCullman, Lawrence, Morgan3 hr
Jul 11, 4:43 AM CDTAreal Flood WarningHUNJackson, Madison, Morgan6 hr
Jul 11, 6:31 AM CDTRiver Flood WarningHUNMadison9 hr
Jul 11, 2:23 PM CDTSpecial Weather StatementHUNLawrence37 min
Jul 11, 3:22 PM CDTSpecial Weather StatementHUNLawrence23 min
Jul 11, 4:11 PM CDTSpecial Weather StatementHUNColbert49 min
Jul 11, 5:00 PM CDTSpecial Weather StatementHUNColbert45 min
Jul 11, 5:55 PM CDTSpecial Weather StatementHUNLimestone50 min
Jul 11, 6:05 PM CDTSpecial Weather StatementHUNFranklin25 min
Jul 11, 6:31 PM CDTSpecial Weather StatementHUNFranklin29 min
Jul 11, 6:44 PM CDTSpecial Weather StatementHUNLimestone, Madison46 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.