Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Shreveport, LA

April 20, 2016Camp County, Morris County, Texas

NWS Shreveport, LA issued this special weather statement at Apr 20, 2016, 5:42 AM CDT for Camp County, Morris County, Texas. It was in force for 48 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
Apr 20, 2016, 5:42 AM CDT (10:42 UTC)
Expired
Apr 20, 2016, 6:30 AM CDT
In force
48 min
Issued by
NWS Shreveport, LA

Counties Camp County, TX, Morris County, TX

The radar

The Shreveport radar (KSHV), 106 km from the middle of the area, began a volume at 10:42 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

Fort Worth, TX (KFWD), launched 00:00Z, 10.7 hours before the alert went out and 234 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, Fort Worth, TX at 00:00Z on 2016-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2016-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

<!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>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 Shreveport, LA wrote its last area forecast discussion before this special weather statement went out at Apr 20, 2:42 AM CDT, 3 hours earlier.

Area forecast discussion, Apr 20, 2:42 AM CDT, 3 hours 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>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Apr 19, 12:44 PM CDT, 16 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1244 PM CDT TUE APR 19 2016

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-201100-
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE-
COLUMBIA-UNION-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-DE SOTO-
RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE-NATCHITOCHES-WINN-
GRANT-CALDWELL-LA SALLE-MCCURTAIN-BOWIE-FRANKLIN-TITUS-CAMP-
MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK-
PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
1244 PM CDT TUE APR 19 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
AND SOUTHWEST ARKANSAS...NORTH CENTRAL AND NORTHWEST
LOUISIANA...SOUTHEAST OKLAHOMA...AND EAST NORTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

PERIODS OF MODERATE TO HEAVY RAINFALL WILL BE POSSIBLE FOR PARTS
OF SOUTHERN ARKANSAS AND NORTH LOUISIANA. PRECIPITATION TOTALS OF
AN INCH OR TWO CAN BE EXPECTED. ADDITIONALLY...EMBEDDED
THUNDERSTORMS CAPABLE OF PRODUCING GUSTY WINDS MAY BE POSSIBLE
THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS ON WEDNESDAY AND
THURSDAY COULD PRODUCE LOCALLY HEAVY RAINFALL AND THE POTENTIAL
FOR FLASH FLOODING. ISOLATED SEVERE THUNDERSTORMS PRODUCING HAIL
AND DAMAGING WINDS ARE ALSO POSSIBLE ON WEDNESDAY AND THURSDAY.
PRECIPITATION WILL DIMINISH THURSDAY AFTERNOON WITH THE PASSAGE OF
A WEAK COLD FRONT THAT WILL MOVE THROUGH THE REGION.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND AMATEUR
RADIO OPERATORS...IS NOT EXPECTED THIS AFTERNOON AND EVENING.

06

In the hours before

Special weather statement, Apr 20, 3:34 AM CDT, 2 hours 8 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>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Apr 20, 4:23 AM CDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
423 AM CDT WED APR 20 2016

TXZ108>111-201015-
TITUS TX-CAMP TX-FRANKLIN TX-MORRIS TX-
423 AM CDT WED APR 20 2016

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL MORRIS...NORTHERN
CAMP...TITUS AND FRANKLIN COUNTIES UNTIL 515 AM CDT...

AT 423 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
PURLEY...OR 11 MILES NORTH OF WINNSBORO...MOVING EAST AT 20 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MOUNT PLEASANT...PITTSBURG...LEESBURG...MOUNT VERNON...PURLEY...COOKVILLE...
CASON...WILKERSON...WINFIELD...MILLER'S COVE...ROCKY MOUND...CYPRESS...
MONTICELLO...ROEDER...HOPEWELL AND HARVARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3331 9531 3339 9494 3339 9491 3340 9488
      3338 9486 3338 9485 3297 9479 3298 9515
      3300 9515 3300 9516 3298 9517 3298 9531
TIME...MOT...LOC 0923Z 256DEG 18KT 3312 9524

09
Special weather statement, Apr 20, 4:54 AM CDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
454 AM CDT WED APR 20 2016

TXZ108-110-111-124-125-137-201045-
GREGG TX-WOOD TX-CAMP TX-UPSHUR TX-FRANKLIN TX-MORRIS TX-
454 AM CDT WED APR 20 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MORRIS...SOUTHERN
CAMP...NORTHEASTERN WOOD...UPSHUR...NORTHWESTERN GREGG AND
SOUTHWESTERN FRANKLIN COUNTIES UNTIL 545 AM CDT...

AT 453 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES SOUTH OF WINNSBORO...MOVING EAST AT 35 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
LONGVIEW...WHITE OAK...GLADEWATER...GILMER...WINNSBORO...LEESBURG...
QUITMAN...LONE STAR...ORE CITY...CLARKSVILLE CITY...EAST MOUNTAIN...CEDAR
SPRINGS...DIANA...WEST MOUNTAIN...NEWSOME...HAINESVILLE...ROSEWOOD...
PLEASANT GROVE...SCROGGINS AND UNION GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3296 9540 3296 9531 3300 9531 3296 9466
      3288 9468 3288 9471 3284 9470 3252 9479
      3274 9546
TIME...MOT...LOC 0953Z 280DEG 32KT 3284 9526

05
Special weather statement, Apr 20, 5:42 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
542 AM CDT WED APR 20 2016

TXZ109>112-125-126-201130-
MARION TX-TITUS TX-CAMP TX-CASS TX-UPSHUR TX-MORRIS TX-
542 AM CDT WED APR 20 2016

...SIGNIFICANT WEATHER ADVISORY FOR MORRIS...CAMP...NORTHWESTERN
MARION...SOUTHERN TITUS...WESTERN CASS AND NORTHEASTERN UPSHUR
COUNTIES UNTIL 630 AM CDT...

AT 541 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
PITTSBURG...MOVING EAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PITTSBURG...DAINGERFIELD...HUGHES SPRINGS...LONE STAR...NAPLES...CASON...
ROCKY BRANCH...JENKINS...CEDAR SPRINGS...AVINGER...MIDWAY...MARIETTA...
ROCKY MOUND...HOLLY SPRINGS...LAFAYETTE...ROEDER...HARVARD AND CENTER
POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3281 9500 3307 9509 3324 9449 3290 9439
TIME...MOT...LOC 1041Z 254DEG 26KT 3296 9491

05

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 7:24 PM CDTSpecial Weather StatementSHVHarrison51 min
Apr 19, 8:12 PM CDTSpecial Weather StatementSHVHarrison48 min
Apr 19, 8:37 PM CDTRiver Flood WarningSHVNacogdoches, Rusk52 hr
Apr 20, 2:18 AM CDTFlash Flood WatchSHVAngelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more34 hr
Apr 20, 3:34 AM CDTSpecial Weather StatementSHVRed River56 min
Apr 20, 4:23 AM CDTSpecial Weather StatementSHVFranklin, Titus52 min
Apr 20, 4:54 AM CDTSpecial Weather StatementSHVCamp, Upshur, Wood51 min
Apr 20, 12:14 PM CDTAreal Flood AdvisorySHVSabine3 hr
Apr 19, 7:00 PM CDTAreal Flood AdvisorySHVBossier, Caddo3 hr
Apr 19, 8:00 PM CDTAreal Flood AdvisorySHVClaiborne3 hr
Apr 19, 8:37 PM CDTRiver Flood WarningSHVBossier3 days
Apr 20, 10:04 AM CDTRiver Flood WarningSHVBienville, Bossier, Webster8 days
Apr 20, 10:04 AM CDTRiver Flood WarningSHVBienville, Bossier, Red River, Webster8 days

Nearby

Special Weather Statements in Texas, 2016Every 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.