Alert archive / Oklahoma / Flash Flood Warnings in 1998

Flash Flood Warning 26, NWS Norman, OK

June 18, 1998Jefferson County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 18, 1998, 10:30 PM CDT for Jefferson County, Oklahoma. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 18, 1998, 10:30 PM CDT (03:30 UTC)
Expired
Jun 19, 1998, 12:30 AM CDT
In force
2 hr
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Jefferson County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.5 hours before the alert went out and 130 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, Norman, OK at 00:00Z on 1998-06-19Temperature 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, Norman, OK at 00:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
3904 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 flash flood 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 flash flood warning went out at Jun 18, 10:10 PM CDT, 20 minutes earlier.

Area forecast discussion, Jun 18, 10:10 PM CDT, 20 minutes before
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In the hours before

Local storm report, Jun 18, 9:36 PM CDT, 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
0936 PM CDT THU JUN 18 1998

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

0920 PM     2 SE    BURNEYVILLE      OK   71 MPH WIND GUST, MEASURED
06/18/98   LOVE                           OKLAHOMA MESONETWORK

0925 PM     2 SE    BURNEYVILLE      OK   63 MPH WIND GUST, MEASURED
06/18/98   LOVE                           OKLAHOMA MESONETWORK

0930 PM     2 SE    BURNEYVILLE      OK   68 MPH WIND GUST, MEASURED
06/18/98   LOVE                           OKLAHOMA MESONETWORK
Local storm report, Jun 18, 9:36 PM CDT, 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
0936 PM CDT THU JUN 18 1998

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

0920 PM     2 SE    BURNEYVILLE      OK   71 MPH WIND GUST, MEASURED
06/18/98   LOVE                           OKLAHOMA MESONETWORK

0925 PM     2 SE    BURNEYVILLE      OK   63 MPH WIND GUST, MEASURED
06/18/98   LOVE                           OKLAHOMA MESONETWORK

0930 PM     2 SE    BURNEYVILLE      OK   68 MPH WIND GUST, MEASURED
06/18/98   LOVE                           OKLAHOMA MESONETWORK
Local storm report, Jun 18, 9:40 PM CDT, 50 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
940 PM CDT THU JUN 18 1998

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

0920 PM    WILSON                    OK   .88 INCH HAIL
06/18/98   CARTER

0932 PM    BURNEYVILLE               OK   60 MPH WIND GUST
06/18/98   LOVE

FM
Local storm report, Jun 18, 9:40 PM CDT, 50 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
940 PM CDT THU JUN 18 1998

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

0920 PM    WILSON                    OK   .88 INCH HAIL
06/18/98   CARTER

0932 PM    BURNEYVILLE               OK   60 MPH WIND GUST
06/18/98   LOVE

FM
Local storm report, Jun 18, 10:11 PM CDT, 19 minutes before
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Local storm report, Jun 18, 10:11 PM CDT, 19 minutes before
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<head>
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<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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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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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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:28 PM CDTSevere Thunderstorm WarningOUNJefferson, Stephens47 min
Jun 18, 7:43 PM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Murray47 min
Jun 18, 8:12 PM CDTSevere Thunderstorm WarningOUNJefferson48 min
Jun 18, 8:26 PM CDTSevere Thunderstorm WarningOUNCarter49 min
Jun 18, 8:30 PM CDTFlash Flood WarningOUNCarter, Jefferson2 hr
Jun 18, 8:45 PM CDTSevere Thunderstorm WarningOUNLove45 min
Jun 18, 8:59 PM CDTSevere Thunderstorm WarningOUNJefferson46 min
Jun 18, 9:15 PM CDTSevere Thunderstorm WarningOUNCarter45 min
Jun 18, 9:31 PM CDTSevere Thunderstorm WarningOUNLove44 min
Jun 18, 9:45 PM CDTSevere Thunderstorm WarningOUNJefferson45 min
Jun 18, 9:50 PM CDTFlash Flood WarningOUNLove115 min
Jun 18, 10:14 PM CDTSevere Thunderstorm WarningOUNLove46 min
Jun 18, 10:29 PM CDTSevere Thunderstorm WarningOUNJefferson46 min
Jun 18, 11:16 PM CDTSevere Thunderstorm WarningOUNStephens44 min
Jun 19, 12:00 AM CDTSevere Thunderstorm WarningOUNStephens45 min
Jun 19, 12:42 AM CDTSevere Thunderstorm WarningOUNStephens48 min
Jun 19, 5:22 PM CDTSevere Thunderstorm WarningOUNGarfield, Grant, Kay, Noble38 min
Jun 19, 5:43 PM CDTSevere Thunderstorm WarningOUNGarfield47 min
Jun 19, 5:52 PM CDTSevere Thunderstorm WarningOUNTillman58 min
Jun 19, 6:15 PM CDTSevere Thunderstorm WarningOUNKay45 min
Jun 19, 6:26 PM CDTSevere Thunderstorm WarningOUNCaddo, Canadian49 min
Jun 19, 6:30 PM CDTSevere Thunderstorm WarningOUNGarfield, Grant30 min
Jun 19, 6:54 PM CDTTornado WarningOUNGarfield36 min
Jun 19, 6:59 PM CDTSevere Thunderstorm WarningOUNComanche31 min
Jun 18, 9:28 PM CDTSevere Thunderstorm WarningOUNClay32 min
Jun 18, 9:57 PM CDTSevere Thunderstorm WarningOUNClay33 min
Jun 19, 5:15 PM CDTSevere Thunderstorm WarningOUNBaylor, Wilbarger45 min
Jun 19, 5:52 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor, Wichita, Wilbarger58 min
Jun 19, 6:19 PM CDTSevere Thunderstorm WarningOUNBaylor41 min
Jun 19, 6:55 PM CDTSevere Thunderstorm WarningOUNBaylor, Wilbarger50 min

Nearby

Flash Flood Warnings in Oklahoma, 1998Every flash flood warning in 1998

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.