Alert archive / Alabama / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Huntsville, AL

June 25, 2016Madison County, Alabama

NWS Huntsville, AL issued this flash flood warning at Jun 25, 2016, 7:14 PM CDT for Madison 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
Jun 25, 2016, 7:14 PM CDT (00:14 UTC)
Expired
Jun 25, 2016, 10:15 PM CDT
In force
3 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

County Madison County, AL

The radar

The Northeast Alabama radar (KHTX), 33 km from the middle of the area, began a volume at 00:13 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

Nashville Metro, TN (KBNA), launched 00:00Z, 0.2 hours before the alert went out and 153 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 2016-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1173 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 2016-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1173 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1537 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

135 
WGUS54 KHUN 260014
FFWHUN
ALC089-260315-
/O.NEW.KHUN.FF.W.0004.160626T0014Z-160626T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
714 PM CDT SAT JUN 25 2016

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MADISON COUNTY IN NORTH CENTRAL ALABAMA...

* UNTIL 1015 PM CDT

* AT 710 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS MUCH OF THE EASTERN HALF OF MADISON COUNTY.
  AROUND TWO TO FOUR INCHES OF RAIN HAVE ALREADY FALLEN AND AN
  ADDITIONAL ONE TO TWO INCHES ARE POSSIBLE THROUGH THE EARLY
  EVENING HOURS. FLASH FLOODING IS EITHER OCCURRING OR EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HUNTSVILLE...MOORES MILL...MERIDIANVILLE...HAZEL GREEN...
  OWENS CROSS ROADS...GURLEY...NEW MARKET...
  ALABAMA A AND M UNIVERSITY...RYLAND AND HAMPTON COVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3494 8628 3495 8630 3493 8632 3491 8631
      3487 8635 3483 8633 3481 8635 3476 8634
      3473 8636 3463 8636 3463 8635 3457 8636
      3448 8642 3450 8653 3456 8655 3458 8658
      3499 8656 3499 8632

$$

09
2 follow-up statements
864 
WGUS74 KHUN 260133
FFSHUN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
833 PM CDT SAT JUN 25 2016

ALC089-260315-
/O.CON.KHUN.FF.W.0004.000000T0000Z-160626T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON AL-
833 PM CDT SAT JUN 25 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
CENTRAL MADISON COUNTY...

AT 829 PM CDT...DOPPLER RADAR INDICATED SOME LINGERING LIGHT TO
MODERATE RAINFALL ACROSS PORTIONS OF CENTRAL AND EASTERN MADISON
COUNTY. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH
FLOODING MAY STILL BE OCCURRING IN SOME LOCATIONS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HUNTSVILLE...MOORES MILL...MERIDIANVILLE...HAZEL GREEN...OWENS CROSS
ROADS...GURLEY...NEW MARKET...ALABAMA A AND M UNIVERSITY...RYLAND AND
HAMPTON COVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3494 8628 3495 8630 3493 8632 3491 8631
      3487 8635 3483 8633 3481 8635 3476 8634
      3473 8636 3463 8636 3463 8635 3457 8636
      3448 8642 3450 8653 3456 8655 3458 8658
      3499 8656 3499 8632

$$

09
192 
WGUS74 KHUN 260246
FFSHUN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
946 PM CDT SAT JUN 25 2016

ALC089-260253-
/O.CAN.KHUN.FF.W.0004.000000T0000Z-160626T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON AL-
946 PM CDT SAT JUN 25 2016

...THE FLASH FLOOD WARNING FOR CENTRAL MADISON COUNTY IS CANCELLED...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. WATER MAY STILL COVER PARTS OF SOME ROADS AND CAUTION IS
ADVISED WHEN TRAVELING THIS EVENING. HOWEVER...THE THREAT OF FLASH
FLOODING HAS ENDED.

LAT...LON 3494 8628 3495 8630 3493 8632 3491 8631
      3487 8635 3483 8633 3481 8635 3476 8634
      3473 8636 3463 8636 3463 8635 3457 8636
      3448 8642 3450 8653 3456 8655 3458 8658
      3499 8656 3499 8632

$$

09

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 3:30 PM CDTSpecial Weather StatementHUNLauderdale45 min
Jun 26, 4:00 PM CDTSpecial Weather StatementHUNLawrence30 min
Jun 26, 4:32 PM CDTSpecial Weather StatementHUNLawrence28 min
Jun 26, 5:20 PM CDTSpecial Weather StatementHUNMorgan25 min
Jun 26, 5:29 PM CDTSpecial Weather StatementHUNMorgan31 min
Jun 26, 5:57 PM CDTSevere Thunderstorm WarningHUNMorgan33 min
Jun 26, 6:28 PM CDTSpecial Weather StatementHUNMorgan32 min

Nearby

Flash Flood Warnings in Alabama, 2016Every flash flood warning in 2016

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.