Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Tallahassee, FL

May 18, 2016Houston County, Alabama

NWS Tallahassee, FL issued this special weather statement at May 18, 2016, 8:18 PM CDT for Houston County, Alabama. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 18, 2016, 8:18 PM CDT (01:18 UTC)
Expired: May 18, 2016, 9:00 PM CDT
In force: 42 min
Issued by: NWS Tallahassee, FL

County Houston County, AL

The radar

The Ft Rucker radar (KEOX), 27 km from the middle of the area, began a volume at 01:21 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.3 hours before the alert went out and 139 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1496 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 891 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at May 18, 6:40 PM CDT, 1 hour 38 minutes earlier.

Area forecast discussion, May 18, 6:40 PM CDT, 1 hour 38 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, May 18, 7:43 PM CDT, 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
743 PM CDT WED MAY 18 2016

ALZ068-069-FLZ009-011-190130-
HOUSTON AL-GENEVA AL-JACKSON FL-HOLMES FL-
743 PM CDT WED MAY 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL HOUSTON...
SOUTHEASTERN GENEVA...NORTHEASTERN HOLMES AND NORTHWESTERN JACKSON
COUNTIES UNTIL 830 PM CDT...

AT 742 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR GRACEVILLE...MOVING EAST AT 10 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
COTTONWOOD...GRACEVILLE...MADRID...CAMPBELLTON...MEMPHIS...BROWNTOWN...
SOUTHERN JUNCTION...COBB CROSSROADS...HODGESVILLE...KEYTONS...FADETTE...
GARRETTS CROSSROADS...OLYMPIA SPA RESORT...ELLAVILLE...MERRITTS
CROSSROADS AND JACOB CITY.

LAT...LON 3096 8557 3111 8553 3116 8529 3089 8535
TIME...MOT...LOC 0042Z 278DEG 11KT 3101 8548

15-HARRIGAN

Special weather statement, May 18, 8:18 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
818 PM CDT WED MAY 18 2016

ALZ066-068-069-190200-
DALE AL-HOUSTON AL-GENEVA AL-
818 PM CDT WED MAY 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HOUSTON...
NORTHEASTERN GENEVA...SOUTHERN HENRY AND SOUTHEASTERN DALE COUNTIES
UNTIL 900 PM CDT...

AT 817 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR DOTHAN...MOVING NORTHEAST AT 15 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DOTHAN...TAYLOR...MIDLAND CITY...KINSEY...ASHFORD...COWARTS...WEBB...
PINCKARD...REHOBETH...GRIMES...AVON...MEMPHIS...GREEN ACRES...PLEASANT
PLAINS...ARDILLA...SMYRNA...JONES CROSSROADS...ENON...HOLLIS DAIRY ROAD
AND OLYMPIA SPA RESORT.

LAT...LON 3131 8523 3117 8521 3110 8546 3118 8547
      3119 8559 3131 8559
TIME...MOT...LOC 0117Z 224DEG 11KT 3117 8538

15-HARRIGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 1:50 PM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Madison	25 min
May 19, 6:00 PM CDT	Special Weather Statement	TAE	Jefferson	30 min
May 19, 2:36 PM CDT	Areal Flood Advisory	TAE	Quitman, Randolph, Terrell	114 min
May 19, 2:49 PM CDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Lanier, Lowndes	26 min
May 19, 3:00 PM CDT	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph	30 min
May 19, 3:25 PM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Clay, Quitman, Randolph	16 min
May 19, 3:34 PM CDT	Areal Flood Advisory	TAE	Quitman	116 min
May 19, 4:24 PM CDT	Flash Flood Warning	TAE	Quitman	2 hr
May 19, 4:46 PM CDT	Severe Thunderstorm Warning	TAE	Mitchell	44 min
May 18, 7:43 PM CDT	Special Weather Statement	TAE	Houston	47 min
May 18, 9:13 PM CDT	Special Weather Statement	TAE	Dale	32 min
May 18, 9:17 PM CDT	Severe Thunderstorm Warning	TAE	Coffee, Dale	28 min

Nearby

Special Weather Statements in Alabama, 2016 Every special weather statement 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.