Alert archive / Texas / Flood Watches in 2016

Flood Watch 1, NWS Amarillo, TX

April 16, 20164 counties in Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this flood watch at Apr 16, 2016, 4:13 AM CDT for 4 counties in Texas; Beaver County, Oklahoma. It took effect at Apr 16, 2016, 7:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Apr 16, 2016, 4:13 AM CDT (09:13 UTC)
In effect from: Apr 16, 2016, 7:00 PM CDT
Expired: Apr 17, 2016, 2:20 AM CDT
In force: 7 hr
Issued by: NWS Amarillo, TX

Counties Beaver County, OK, Collingsworth County, TX, Hemphill County, TX, Lipscomb County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 144 km from the middle of the area, began a volume at 09:16 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 9.2 hours before the alert went out and 143 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: 1077 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1488 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.8

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Amarillo, TX wrote its last area forecast discussion before this flood watch went out at Apr 16, 12:12 AM CDT, 4 hours 1 minute earlier.

Area forecast discussion, Apr 16, 12:12 AM CDT, 4 hours 1 minute before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
1212 AM CDT SAT APR 16 2016

.AVIATION...
STRONG TO PERHAPS SEVERE THUNDERSTORMS WILL MOVE NEAR ALL TERMINALS
DURING THE NEXT FEW HOURS.  STRONG SOUTHEAST SURFACE WINDS EXPECTED
OVERNIGHT AND DURING THE DAY ON SATURDAY...UNTIL PASSAGE OF DRYLINE
BETWEEN 17Z AND 21Z SATURDAY.  MVFR OR IFR CEILINGS ARE EXPECTED
OVERNIGHT AND EARLY SATURDAY MORNING.  MVFR CEILINGS WILL PREVAIL
MID MORNING UNTIL PASSAGE OF DRYLINE.  MAY SEE ADDITIONAL
THUNDERSTORMS ALONG AND AHEAD OF DRYLINE ON SATURDAY.

COCKRELL

&&

.PREV DISCUSSION... /ISSUED 644 PM CDT FRI APR 15 2016/

AVIATION...
STRONG SOUTHEAST LOW-LEVEL FLOW WILL CONTINUE THIS EVENING AND
OVERNIGHT.  IFR STRATUS EXPECTED TO DEVELOP LATE THIS EVENING AND TO
PERSIST UNTIL 15Z TO 18Z SATURDAY.  EMBEDDED THUNDERSTORMS MAY
IMPACT TERMINALS THIS EVENING AND OVERNIGHT.  SOUTHEAST SURFACE
WINDS EXPECTED ON SATURDAY.

COCKRELL

PREV DISCUSSION... /ISSUED 353 PM CDT FRI APR 15 2016/

DISCUSSION...
SCATTERED THUNDERSTORMS DEVELOPING NOW ALONG DRYLINE...POSITIONED
NEAR THE NEW MEXICO STATE LINE.  SEE EARLIER FORECAST DISCUSSION FOR
ASSESSMENT OF ENVIRONMENT.   SEVERE THUNDERSTORMS WITH LARGE HAIL...
DAMAGING WINDS AND ISOLATED TORNADOES ARE EXPECTED THIS EVENING.

CLOSED MID-LEVEL LOW CURRENTLY WEST OF 4-CORNERS EXPECTED TO MOVE
VERY SLOWLY THROUGH THE WEEKEND.  UNSETTLED WEATHER EXPECTED TO
CONTINUE THROUGH MOST DAYS OF THE FORECAST. EASTERN SECTIONS OF
PANHANDLES TARGETED FOR HEAVIEST RAINFALL TOTALS THROUGH SUNDAY.  A
FLASH FLOOD WATCH HAS BEEN ISSUED FOR EASTERN PARTS OF THE PANHANDLES
SATURDAY NIGHT THROUGH SUNDAY MORNING...WHEN COLD FRONT EXPECTED TO
PROVIDE ADDITIONAL FOCUS FOR THUNDERSTORMS.

CURRENT FORECAST HAS MONDAY AS A DRY DAY IN THE WAKE OF COLD FRONT.
THUNDERSTORMS CHANCES REMAIN IN FORECAST MONDAY NIGHT THROUGH
WEDNESDAY DUE TO EXPECTED MOISTURE RETURN.  LOW POPS THEREAFTER
CONFINED TO EASTERN SECTIONS.  03

COCKRELL

FIRE WEATHER...
NO ELEVATED OR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH
FRIDAY DUE TO THE POTENTIAL FOR WETTING RAINS AND RELATIVE HUMIDITY
VALUES REMAINING ABOVE 20 PERCENT.  03

&&

.AMA WATCHES/WARNINGS/ADVISORIES...
TX...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY AFTERNOON FOR
     THE FOLLOWING ZONES: ARMSTRONG...CARSON...COLLINGSWORTH...
     DONLEY...GRAY...HANSFORD...HEMPHILL...HUTCHINSON...
     LIPSCOMB...OCHILTREE...ROBERTS...WHEELER.

OK...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY AFTERNOON FOR
     THE FOLLOWING ZONES: BEAVER.

&&

03/11

Hazardous weather outlook, Apr 16, 4:07 AM CDT, 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
407 AM CDT SAT APR 16 2016

OKZ001>003-TXZ001>020-162100-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
407 AM CDT SAT APR 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF THE TEXAS AND OKLAHOMA
PANHANDLES. SOME OF THE STORMS THAT DEVELOP WILL LIKELY BECOME
STRONG TO SEVERE. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY
HAZARDS. LOCALLY HEAVY RAINFALL MAY ALSO LEAD TO FLOODING OR FLASH
FLOODING. A FLOOD WATCH WILL BE IN EFFECT FOR THE EXTREME EASTERN
SECTIONS OF THE PANHANDLES TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF THE TEXAS AND OKLAHOMA
PANHANDLES FROM SUNDAY THROUGH FRIDAY NIGHT. SOME OF THE STORMS THAT
DEVELOP COULD POSSIBLY BECOME STRONG WITH HAIL UP TO A QUARTER OF AN
INCH AND THUNDERSTORM WIND GUSTS OF 45 TO 55 MPH BEING THE PRIMARY
HAZARDS. LOCALLY HEAVY RAINFALL MAY ALSO LEAD TO FLASH FLOODING
SUNDAY. A FLOOD WATCH WILL BE IN EFFECT FOR THE EXTREME EASTERN
SECTIONS OF THE PANHANDLES THROUGH SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND TONIGHT ACROSS
THE EASTERN HALF OR TWO-THIRDS OF THE PANHANDLES.

SCHNEIDER

In the hours before

Local storm report, Apr 16, 1:46 AM CDT, 2 hours 27 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>

Local storm report, Apr 16, 1:54 AM CDT, 2 hours 19 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>

Local storm report, Apr 16, 2:05 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>

Local storm report, Apr 16, 2:24 AM CDT, 1 hour 49 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>

Local storm report, Apr 16, 2:31 AM CDT, 1 hour 42 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>

Local storm report, Apr 16, 2:54 AM CDT, 1 hour 19 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>

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 15, 8:17 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	58 min
Apr 15, 8:59 PM CDT	Severe Thunderstorm Warning	AMA	Oldham	46 min
Apr 15, 9:15 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	75 min
Apr 15, 9:21 PM CDT	Tornado Warning	AMA	Oldham	39 min
Apr 15, 9:32 PM CDT	Severe Thunderstorm Warning	AMA	Moore	43 min
Apr 15, 10:00 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	60 min
Apr 15, 10:15 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Sherman	60 min
Apr 15, 10:59 PM CDT	Tornado Warning	AMA	Hartley	15 min
Apr 15, 11:26 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore, Sherman	64 min
Apr 15, 11:42 PM CDT	Special Weather Statement	AMA	Hartley	48 min
Apr 15, 11:54 PM CDT	Special Weather Statement	AMA	Potter	66 min
Apr 16, 12:12 AM CDT	Special Weather Statement	AMA	Hartley	63 min
Apr 16, 12:34 AM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Sherman	86 min
Apr 16, 12:41 AM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	37 min
Apr 16, 1:27 AM CDT	Areal Flood Advisory	AMA	Dallam	5 hr
Apr 16, 9:11 AM CDT	Dense Fog Advisory	AMA	Armstrong, Carson, Donley, Gray, Potter, Randall	2 hr
Apr 16, 11:14 AM CDT	Special Weather Statement	AMA	Potter	31 min
Apr 16, 11:49 AM CDT	Special Weather Statement	AMA	Moore, Potter, Randall	26 min
Apr 16, 12:19 PM CDT	Special Weather Statement	AMA	Moore, Potter	26 min
Apr 16, 1:31 PM CDT	Special Weather Statement	AMA	Hansford	29 min
Apr 16, 1:41 PM CDT	Special Weather Statement	AMA	Randall	19 min
Apr 16, 2:01 PM CDT	Special Weather Statement	AMA	Armstrong	29 min
Apr 16, 2:21 PM CDT	Special Weather Statement	AMA	Carson	24 min
Apr 16, 2:31 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson	59 min
Apr 16, 2:52 PM CDT	Special Weather Statement	AMA	Armstrong	23 min
Apr 16, 3:16 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	44 min
Apr 16, 3:29 PM CDT	Special Weather Statement	AMA	Hansford	31 min
Apr 16, 3:38 PM CDT	Special Weather Statement	AMA	Carson	52 min
Apr 16, 3:58 PM CDT	Special Weather Statement	AMA	Donley	32 min
Apr 16, 4:26 PM CDT	Special Weather Statement	AMA	Donley	34 min
Apr 16, 4:47 PM CDT	Severe Thunderstorm Warning	AMA	Donley	42 min
Apr 16, 5:07 PM CDT	Special Weather Statement	AMA	Sherman	38 min
Apr 16, 5:15 PM CDT	Special Weather Statement	AMA	Gray	30 min
Apr 16, 5:25 PM CDT	Areal Flood Advisory	AMA	Donley	4 hr
Apr 16, 5:27 PM CDT	Areal Flood Advisory	AMA	Moore	4 hr
Apr 16, 5:34 PM CDT	Severe Thunderstorm Warning	AMA	Donley	56 min
Apr 16, 5:51 PM CDT	Special Weather Statement	AMA	Hutchinson	39 min
Apr 16, 6:13 PM CDT	Special Weather Statement	AMA	Hemphill	47 min
Apr 16, 6:27 PM CDT	Special Weather Statement	AMA	Collingsworth	48 min
Apr 15, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	59 min
Apr 15, 7:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	45 min
Apr 15, 7:52 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron, Texas	23 min
Apr 15, 8:00 PM CDT	Areal Flood Advisory	AMA	Cimarron	3 hr
Apr 15, 8:11 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	64 min
Apr 15, 8:12 PM CDT	Tornado Warning Tornado observed	AMA	Texas	48 min
Apr 15, 10:30 PM CDT	Severe Thunderstorm Warning	AMA	Texas	45 min
Apr 15, 11:28 PM CDT	Special Weather Statement	AMA	Texas	62 min
Apr 16, 12:23 AM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	33 min
Apr 16, 9:47 AM CDT	Areal Flood Warning	AMA	Cimarron, Texas	3 hr
Apr 16, 12:10 PM CDT	Flash Flood Warning	AMA	Cimarron, Texas	4 hr

Nearby

Flood Watches in Texas, 2016 Flood Watches in Oklahoma, 2016 Every flood watch 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.