Alert archive / Alabama / Flash Flood Warnings in 2016

Flash Flood Warning 5, NWS Tallahassee, FL

April 1, 20164 counties in Alabama

NWS Tallahassee, FL issued this flash flood warning at Apr 1, 2016, 11:14 AM CDT for 4 counties in Alabama. It was in force for 3 hr. 8 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
Apr 1, 2016, 11:14 AM CDT (16:14 UTC)
Expired
Apr 1, 2016, 1:45 PM CDT
In force
3 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Coffee County, AL, Dale County, AL, Geneva County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 35 km from the middle of the area, began a volume at 16:17 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
Apr 1, 11:50 AM CDTFLASH FLOOD3 S Midland City, ALFLOODING NEAR 1914 COUNTY ROAD 47 WITH VEHICLES STUCK. CORRECTED LAT-LON LOCATION
Apr 1, 12:30 PM CDTFLASH FLOOD1 N Wicksburg, ALPICTURE ON SOCIAL MEDIA OF FLOODING IN THE HUBBARD AND LAURA LANE AREA NEAR WICKSBURG ROAD
Apr 1, 1:20 PM CDTFLASH FLOOD3 S Pinckard, ALWATER RUSHING ACROSS COUNTY ROAD 560
Apr 1, 1:26 PM CDTFLASH FLOOD2 Nw Wicksburg, ALWATER COVERING ROADWAY
Apr 1, 1:26 PM CDTFLASH FLOOD2 Wsw Dothan, ALWATER COVERING ROADWAY
Apr 1, 1:26 PM CDTFLASH FLOOD3 S Rhoades, ALWATER COVERING ROADWAY
Apr 1, 1:26 PM CDTFLASH FLOODSamson, ALROADWAY UNDER WATER
Apr 1, 1:30 PM CDTFLASH FLOODSlocomb, ALSOCIAL MEDIA PICTURE OF FLOODING IN SLOCOMB. ROADWAY COMPLETELY COVERED WITH WATER

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.2 hours before the alert went out and 160 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, Tallahassee Rgnl, FL at 12:00Z on 2016-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 339 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2016-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.1939587897117Sfc1 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
339 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

931 
WGUS52 KTAE 011614
FFWTAE
ALC031-045-061-069-011845-
/O.NEW.KTAE.FF.W.0005.160401T1614Z-160401T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1114 AM CDT FRI APR 1 2016

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN COFFEE COUNTY IN SOUTHEASTERN ALABAMA...
  NORTHWESTERN HOUSTON COUNTY IN SOUTHEASTERN ALABAMA...
  NORTHERN GENEVA COUNTY IN SOUTHEASTERN ALABAMA...
  SOUTHERN DALE COUNTY IN SOUTHEASTERN ALABAMA...

* UNTIL 145 PM CDT

* AT 1113 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE TO FOUR INCHES OF
  RAIN HAVE ALREADY FALLEN BETWEEN YESTERDAY AND THIS MORNING. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DALEVILLE...DOTHAN...HARTFORD...TAYLOR...MIDLAND CITY...SLOCOMB...SAMSON...
  COWARTS...WEBB...KINSEY...MALVERN...REHOBETH...CLAYHATCHEE...GRIMES...
  KINSTON...COFFEE SPRINGS...GREEN ACRES...CENTRAL CITY...HOLLIS DAIRY
  ROAD AND SELLERSVILLE.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 ARE POSSIBLE IN THE WARNED
AREA. URBAN AREAS AROUND DOTHAN WILL BE MORE SUSCEPTIBLE TO FLOODING
DUE TO POOR DRAINAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3125 8567 3130 8543 3129 8521 3109 8547
      3106 8618 3124 8619

$$

18-WOOL

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 6:19 AM CDTSevere Thunderstorm WarningTAECoffee, Dale41 min
Apr 1, 6:56 AM CDTSevere Thunderstorm WarningTAEDale, Henry34 min
Apr 1, 9:38 AM CDTRiver Flood WarningTAEDale4 days
Apr 1, 9:38 AM CDTRiver Flood WarningTAEGeneva4 days
Apr 1, 10:13 AM CDTSevere Thunderstorm WarningTAECoffee, Dale47 min
Apr 1, 11:46 AM CDTFlash Flood WarningTAECoffee, Dale, Henry, Houston2 hr
Apr 1, 1:09 PM CDTFlash Flood WarningTAEGeneva, Houston2 hr

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