Alert archive / Texas / Flash Flood Warnings in 2009

Flash Flood Warning 43, NWS Fort Worth, TX

May 31, 2009Lampasas County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 31, 2009, 6:49 PM CDT for Lampasas County, Texas. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 31, 2009, 6:49 PM CDT (23:49 UTC)
Expired: May 31, 2009, 8:45 PM CDT
In force: 116 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Lampasas County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.8 hours before the alert went out and 322 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: 1228 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 886 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Fort Worth, TX wrote its last area forecast discussion before this flash flood warning went out at May 31, 6:29 PM CDT, 20 minutes earlier.

Area forecast discussion, May 31, 6:29 PM CDT, 20 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>

Hazardous weather outlook, May 31, 2:46 PM CDT, 4 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
246 PM CDT SUN MAY 31 2009

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-011215-
MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN-
HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS-
ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL-
JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO-
FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE-
LEON-MILAM-ROBERTSON-
246 PM CDT SUN MAY 31 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THROUGH TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING
MAINLY WEST OF A MONTAGUE TO WEATHERFORD TO TEMPLE LINE. A FEW
STORMS MAY PRODUCE MARGINALLY SEVERE HAIL AND WIND GUSTS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THERE IS A SLIGHT CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS
ACROSS NORTHWEST NORTH TEXAS MONDAY AFTERNOON AND EVENING. THERE
IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS TUESDAY
NIGHT THROUGH WEDNESDAY NIGHT AS A COLD FRONT MOVES THROUGH THE
AREA. SEVERE WEATHER WILL BE POSSIBLE TUESDAY NIGHT...INCLUDING
THE THREAT OF DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED IN WESTERN NORTH TEXAS
SHOULD ANY STORMS THREATEN TO BECOME SEVERE.

In the hours before

Special weather statement, May 31, 5:00 PM CDT, 1 hour 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
500 PM CDT SUN MAY 31 2009

TXZ156-312230-
LAMPASAS TX-
500 PM CDT SUN MAY 31 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  LAMPASAS COUNTY

AT 500 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 14 MILES NORTHWEST OF LAMPASAS...MOVING NORTHEAST
AT 5 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE LOMETA AND LAMPASAS.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

LAT...LON 3117 9852 3141 9816 3105 9792 3102 9841
      3109 9848 3110 9847 3111 9850 3115 9854
TIME...MOT...LOC 2200Z 228DEG 6KT 3115 9840

07/BB

Special weather statement, May 31, 5:36 PM CDT, 1 hour 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
536 PM CDT SUN MAY 31 2009

TXZ142-143-156-157-312300-
HAMILTON TX-MILLS TX-CORYELL TX-LAMPASAS TX-
536 PM CDT SUN MAY 31 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  WESTERN CORYELL COUNTY
  SOUTH CENTRAL HAMILTON COUNTY
  LAMPASAS COUNTY
  SOUTHERN MILLS COUNTY

AT 534 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 7 MILES NORTHEAST OF LAMPASAS...MOVING NORTHEAST
AT 10 MPH. ANOTHER STRONG STORM WAS JUST WEST OF LOMETA MOVING NORTH.

CITIES IN THE PATH OF THESE STORMS INCLUDE COPPERAS COVE...EVANT AND
CASTOR.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THESE STORMS.

LAT...LON 3166 9799 3110 9785 3109 9788 3105 9806
      3112 9841 3136 9864
TIME...MOT...LOC 2234Z 229DEG 7KT 3111 9808

Special weather statement, May 31, 5:47 PM CDT, 1 hour 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
547 PM CDT SUN MAY 31 2009

TXZ142-312315-
MILLS TX-
547 PM CDT SUN MAY 31 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHWESTERN MILLS COUNTY

AT 547 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 17 MILES SOUTHEAST OF BROWNWOOD...MOVING
NORTHEAST AT 10 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE AREAS WEST OF MULLIN.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

LAT...LON 3160 9879 3169 9875 3169 9868 3155 9857
      3143 9882 3154 9889
TIME...MOT...LOC 2247Z 229DEG 7KT 3152 9881

Special weather statement, May 31, 6:03 PM CDT, 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
603 PM CDT SUN MAY 31 2009

TXZ142-312330-
MILLS TX-
603 PM CDT SUN MAY 31 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL MILLS COUNTY

AT 603 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR GOLDTHWAITE...MOVING NORTH AT 10 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE MULLIN.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

LAT...LON 3170 9869 3157 9838 3136 9853 3145 9871
TIME...MOT...LOC 2303Z 193DEG 8KT 3143 9857

Local storm report, May 31, 6:08 PM CDT, 41 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 Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 5:00 PM CDT	Special Weather Statement	FWD	Lampasas	30 min
May 31, 5:36 PM CDT	Special Weather Statement	FWD	Lampasas	24 min
May 31, 5:47 PM CDT	Special Weather Statement	FWD	Mills	28 min
May 31, 6:03 PM CDT	Special Weather Statement	FWD	Mills	27 min
May 31, 6:10 PM CDT	Severe Thunderstorm Warning	FWD	Mills	50 min
May 31, 6:14 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Lampasas	46 min

Nearby

Flash Flood Warnings in Texas, 2009 Every flash flood warning in 2009

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.