Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 164, NWS Norman, OK

May 7, 2001Archer County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 7, 2001, 3:35 AM CDT for Archer County, Texas. It was in force for 40 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 7, 2001, 3:35 AM CDT (08:35 UTC)
Expired: May 7, 2001, 4:15 AM CDT
In force: 40 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Archer County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.6 hours before the alert went out and 156 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: 3285 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 9.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

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

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 3:35 AM CDT, 0 minutes earlier.

Area forecast discussion, May 7, 3:35 AM CDT, 0 minutes before

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In the hours before

Local storm report, May 6, 9:55 PM CDT, 5 hours 40 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
955 PM CDT SUN MAY 06 2001

TIME (CDT) .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0400 PM    ARDMORE                   OK   .88 INCH HAIL
05/06/01   CARTER

0435 PM    NEBO                      OK   .75 INCH HAIL
05/06/01   MURRAY

0417 PM    5 SE GUTHRIE              OK   1.75 INCH HAIL
05/06/01   LOGAN

0509 PM    5 ESE NOBLE               OK   1.00 INCH HAIL
05/06/01   CLEVELAND

0556 PM    PURCELL                   OK   .75 INCH HAIL
05/06/01   MCCLAIN

0545 PM    8 E LEXINGTON          F   OK   .75 INCH HAIL
05/06/01   CLEVELAND

J

Local storm report, May 6, 10:04 PM CDT, 5 hours 31 minutes before

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<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.
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Local storm report, May 6, 10:52 PM CDT, 4 hours 43 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1052 PM CDT SUN MAY 06 2001

TIME (CDT) .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1047 PM    6 S EDMOND                OK   1.00 INCH HAIL
05/06/01   OKLAHOMA

J

Local storm report, May 6, 11:11 PM CDT, 4 hours 24 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1111 PM CDT SUN MAY 06 2001

TIME (CDT) .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0402 PM    2 NE WOODFORD             OK   TORNADO
05/06/01   CARTER                         MULTIPLE RPTS. LARGE
                                          TORNADO. LASTED APPRX 20
                                          MINUTES.0

TL

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 6, 7:03 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	32 min
May 6, 7:08 PM CDT	Severe Thunderstorm Warning	OUN	Kay	37 min
May 6, 7:15 PM CDT	Severe Thunderstorm Warning	OUN	Pontotoc, Seminole	45 min
May 6, 7:26 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Marshall	49 min
May 6, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Kay	45 min
May 6, 7:48 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer	42 min
May 6, 7:54 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	51 min
May 6, 8:27 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	33 min
May 6, 8:30 PM CDT	Severe Thunderstorm Warning	OUN	Kay	30 min
May 6, 8:32 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian	38 min
May 6, 8:58 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	32 min
May 6, 9:08 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	52 min
May 6, 9:58 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	47 min
May 6, 10:46 PM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	29 min
May 7, 11:53 AM CDT	Flash Flood Warning	OUN	Grady	2 hr
May 7, 3:51 AM CDT	Severe Thunderstorm Warning	OUN	Clay	39 min
May 7, 4:33 AM CDT	Severe Thunderstorm Warning	OUN	Baylor	42 min
May 7, 5:18 AM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	42 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.